[FFmpeg-cvslog] r9477 - in trunk/libavcodec: Makefile mpeg12.c mpeg12data.c mpeg12data.h mpeg12decdata.h mpeg12enc.c mpegvideo_enc.c
aurel
subversion
Thu Jul 5 11:08:28 CEST 2007
Author: aurel
Date: Thu Jul 5 11:08:28 2007
New Revision: 9477
Log:
split mpeg12 encoder out of mpeg12.c
Added:
trunk/libavcodec/mpeg12data.c
- copied, changed from r9467, /trunk/libavcodec/mpeg12data.h
trunk/libavcodec/mpeg12decdata.h
- copied, changed from r9467, /trunk/libavcodec/mpeg12data.h
trunk/libavcodec/mpeg12enc.c
- copied, changed from r9467, /trunk/libavcodec/mpeg12.c
Modified:
trunk/libavcodec/Makefile
trunk/libavcodec/mpeg12.c
trunk/libavcodec/mpeg12data.h
trunk/libavcodec/mpegvideo_enc.c
Modified: trunk/libavcodec/Makefile
==============================================================================
--- trunk/libavcodec/Makefile (original)
+++ trunk/libavcodec/Makefile Thu Jul 5 11:08:28 2007
@@ -18,7 +18,7 @@ OBJS= bitstream.o \
dsputil.o \
motion_est.o \
imgconvert.o \
- mpeg12.o \
+ mpeg12.o mpeg12data.o \
simple_idct.o \
ratecontrol.o \
eval.o \
@@ -111,6 +111,8 @@ OBJS-$(CONFIG_MP3_DECODER) +
OBJS-$(CONFIG_MP3ADU_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
OBJS-$(CONFIG_MP3ON4_DECODER) += mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
OBJS-$(CONFIG_MPC7_DECODER) += mpc.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o
+OBJS-$(CONFIG_MPEG1VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o
+OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12data.o
OBJS-$(CONFIG_MSMPEG4V1_DECODER) += msmpeg4.o msmpeg4data.o
OBJS-$(CONFIG_MSMPEG4V1_ENCODER) += msmpeg4.o msmpeg4data.o
OBJS-$(CONFIG_MSMPEG4V2_DECODER) += msmpeg4.o msmpeg4data.o
Modified: trunk/libavcodec/mpeg12.c
==============================================================================
--- trunk/libavcodec/mpeg12.c (original)
+++ trunk/libavcodec/mpeg12.c Thu Jul 5 11:08:28 2007
@@ -1,5 +1,5 @@
/*
- * MPEG1 codec / MPEG2 decoder
+ * MPEG1/2 decoder
* Copyright (c) 2000,2001 Fabrice Bellard.
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni at gmx.at>
*
@@ -22,7 +22,7 @@
/**
* @file mpeg12.c
- * MPEG1/2 codec
+ * MPEG1/2 decoder
*/
//#define DEBUG
@@ -30,7 +30,9 @@
#include "dsputil.h"
#include "mpegvideo.h"
+#include "mpeg12.h"
#include "mpeg12data.h"
+#include "mpeg12decdata.h"
#include "bytestream.h"
//#undef NDEBUG
@@ -45,12 +47,6 @@
#define MB_BTYPE_VLC_BITS 6
#define TEX_VLC_BITS 9
-#ifdef CONFIG_ENCODERS
-static void mpeg1_encode_block(MpegEncContext *s,
- DCTELEM *block,
- int component);
-static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code); // RAL: f_code parameter added
-#endif //CONFIG_ENCODERS
static inline int mpeg1_decode_block_inter(MpegEncContext *s,
DCTELEM *block,
int n);
@@ -81,22 +77,8 @@ static const enum PixelFormat pixfmt_xvm
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_XVMC_MPEG2_MC,
-1};
-#ifdef CONFIG_ENCODERS
-static uint8_t mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
-static uint8_t fcode_tab[MAX_MV*2+1];
-static uint8_t uni_mpeg1_ac_vlc_len [64*64*2];
-static uint8_t uni_mpeg2_ac_vlc_len [64*64*2];
-
-/* simple include everything table for dc, first byte is bits number next 3 are code*/
-static uint32_t mpeg1_lum_dc_uni[512];
-static uint32_t mpeg1_chr_dc_uni[512];
-
-static uint8_t mpeg1_index_run[2][64];
-static int8_t mpeg1_max_level[2][64];
-#endif //CONFIG_ENCODERS
-
-static uint8_t static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
+uint8_t static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
static void init_2d_vlc_rl(RLTable *rl, int use_static)
{
@@ -140,260 +122,7 @@ static void init_2d_vlc_rl(RLTable *rl,
}
}
-#ifdef CONFIG_ENCODERS
-static void init_uni_ac_vlc(RLTable *rl, uint8_t *uni_ac_vlc_len){
- int i;
-
- for(i=0; i<128; i++){
- int level= i-64;
- int run;
- for(run=0; run<64; run++){
- int len, bits, code;
-
- int alevel= FFABS(level);
- int sign= (level>>31)&1;
-
- if (alevel > rl->max_level[0][run])
- code= 111; /*rl->n*/
- else
- code= rl->index_run[0][run] + alevel - 1;
-
- if (code < 111 /* rl->n */) {
- /* store the vlc & sign at once */
- len= rl->table_vlc[code][1]+1;
- bits= (rl->table_vlc[code][0]<<1) + sign;
- } else {
- len= rl->table_vlc[111/*rl->n*/][1]+6;
- bits= rl->table_vlc[111/*rl->n*/][0]<<6;
-
- bits|= run;
- if (alevel < 128) {
- bits<<=8; len+=8;
- bits|= level & 0xff;
- } else {
- bits<<=16; len+=16;
- bits|= level & 0xff;
- if (level < 0) {
- bits|= 0x8001 + level + 255;
- } else {
- bits|= level & 0xffff;
- }
- }
- }
-
- uni_ac_vlc_len [UNI_AC_ENC_INDEX(run, i)]= len;
- }
- }
-}
-
-
-static int find_frame_rate_index(MpegEncContext *s){
- int i;
- int64_t dmin= INT64_MAX;
- int64_t d;
-
- for(i=1;i<14;i++) {
- int64_t n0= 1001LL/ff_frame_rate_tab[i].den*ff_frame_rate_tab[i].num*s->avctx->time_base.num;
- int64_t n1= 1001LL*s->avctx->time_base.den;
- if(s->avctx->strict_std_compliance > FF_COMPLIANCE_INOFFICIAL && i>=9) break;
-
- d = FFABS(n0 - n1);
- if(d < dmin){
- dmin=d;
- s->frame_rate_index= i;
- }
- }
- if(dmin)
- return -1;
- else
- return 0;
-}
-
-static int encode_init(AVCodecContext *avctx)
-{
- MpegEncContext *s = avctx->priv_data;
-
- if(MPV_encode_init(avctx) < 0)
- return -1;
-
- if(find_frame_rate_index(s) < 0){
- if(s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
- av_log(avctx, AV_LOG_ERROR, "MPEG1/2 does not support %d/%d fps\n", avctx->time_base.den, avctx->time_base.num);
- return -1;
- }else{
- av_log(avctx, AV_LOG_INFO, "MPEG1/2 does not support %d/%d fps, there may be AV sync issues\n", avctx->time_base.den, avctx->time_base.num);
- }
- }
-
- if(avctx->profile == FF_PROFILE_UNKNOWN){
- if(avctx->level != FF_LEVEL_UNKNOWN){
- av_log(avctx, AV_LOG_ERROR, "Set profile and level\n");
- return -1;
- }
- avctx->profile = s->chroma_format == CHROMA_420 ? 4 : 0; /* Main or 4:2:2 */
- }
-
- if(avctx->level == FF_LEVEL_UNKNOWN){
- if(avctx->profile == 0){ /* 4:2:2 */
- if(avctx->width <= 720 && avctx->height <= 608) avctx->level = 5; /* Main */
- else avctx->level = 2; /* High */
- }else{
- if(avctx->profile != 1 && s->chroma_format != CHROMA_420){
- av_log(avctx, AV_LOG_ERROR, "Only High(1) and 4:2:2(0) profiles support 4:2:2 color sampling\n");
- return -1;
- }
- if(avctx->width <= 720 && avctx->height <= 576) avctx->level = 8; /* Main */
- else if(avctx->width <= 1440) avctx->level = 6; /* High 1440 */
- else avctx->level = 4; /* High */
- }
- }
-
- if((avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE) && s->frame_rate_index != 4){
- av_log(avctx, AV_LOG_ERROR, "Drop frame time code only allowed with 1001/30000 fps\n");
- return -1;
- }
-
- return 0;
-}
-
-static void put_header(MpegEncContext *s, int header)
-{
- align_put_bits(&s->pb);
- put_bits(&s->pb, 16, header>>16);
- put_bits(&s->pb, 16, header&0xFFFF);
-}
-
-/* put sequence header if needed */
-static void mpeg1_encode_sequence_header(MpegEncContext *s)
-{
- unsigned int vbv_buffer_size;
- unsigned int fps, v;
- int i;
- uint64_t time_code;
- float best_aspect_error= 1E10;
- float aspect_ratio= av_q2d(s->avctx->sample_aspect_ratio);
- int constraint_parameter_flag;
-
- if(aspect_ratio==0.0) aspect_ratio= 1.0; //pixel aspect 1:1 (VGA)
-
- if (s->current_picture.key_frame) {
- AVRational framerate= ff_frame_rate_tab[s->frame_rate_index];
-
- /* mpeg1 header repeated every gop */
- put_header(s, SEQ_START_CODE);
-
- put_bits(&s->pb, 12, s->width);
- put_bits(&s->pb, 12, s->height);
-
- for(i=1; i<15; i++){
- float error= aspect_ratio;
- if(s->codec_id == CODEC_ID_MPEG1VIDEO || i <=1)
- error-= 1.0/mpeg1_aspect[i];
- else
- error-= av_q2d(mpeg2_aspect[i])*s->height/s->width;
-
- error= FFABS(error);
-
- if(error < best_aspect_error){
- best_aspect_error= error;
- s->aspect_ratio_info= i;
- }
- }
-
- put_bits(&s->pb, 4, s->aspect_ratio_info);
- put_bits(&s->pb, 4, s->frame_rate_index);
-
- if(s->avctx->rc_max_rate){
- v = (s->avctx->rc_max_rate + 399) / 400;
- if (v > 0x3ffff && s->codec_id == CODEC_ID_MPEG1VIDEO)
- v = 0x3ffff;
- }else{
- v= 0x3FFFF;
- }
-
- if(s->avctx->rc_buffer_size)
- vbv_buffer_size = s->avctx->rc_buffer_size;
- else
- /* VBV calculation: Scaled so that a VCD has the proper VBV size of 40 kilobytes */
- vbv_buffer_size = (( 20 * s->bit_rate) / (1151929 / 2)) * 8 * 1024;
- vbv_buffer_size= (vbv_buffer_size + 16383) / 16384;
-
- put_bits(&s->pb, 18, v & 0x3FFFF);
- put_bits(&s->pb, 1, 1); /* marker */
- put_bits(&s->pb, 10, vbv_buffer_size & 0x3FF);
-
- constraint_parameter_flag=
- s->width <= 768 && s->height <= 576 &&
- s->mb_width * s->mb_height <= 396 &&
- s->mb_width * s->mb_height * framerate.num <= framerate.den*396*25 &&
- framerate.num <= framerate.den*30 &&
- s->avctx->me_range && s->avctx->me_range < 128 &&
- vbv_buffer_size <= 20 &&
- v <= 1856000/400 &&
- s->codec_id == CODEC_ID_MPEG1VIDEO;
-
- put_bits(&s->pb, 1, constraint_parameter_flag);
-
- ff_write_quant_matrix(&s->pb, s->avctx->intra_matrix);
- ff_write_quant_matrix(&s->pb, s->avctx->inter_matrix);
-
- if(s->codec_id == CODEC_ID_MPEG2VIDEO){
- put_header(s, EXT_START_CODE);
- put_bits(&s->pb, 4, 1); //seq ext
-
- put_bits(&s->pb, 1, s->avctx->profile == 0); //escx 1 for 4:2:2 profile */
-
- put_bits(&s->pb, 3, s->avctx->profile); //profile
- put_bits(&s->pb, 4, s->avctx->level); //level
-
- put_bits(&s->pb, 1, s->progressive_sequence);
- put_bits(&s->pb, 2, s->chroma_format);
- put_bits(&s->pb, 2, 0); //horizontal size ext
- put_bits(&s->pb, 2, 0); //vertical size ext
- put_bits(&s->pb, 12, v>>18); //bitrate ext
- put_bits(&s->pb, 1, 1); //marker
- put_bits(&s->pb, 8, vbv_buffer_size >>10); //vbv buffer ext
- put_bits(&s->pb, 1, s->low_delay);
- put_bits(&s->pb, 2, 0); // frame_rate_ext_n
- put_bits(&s->pb, 5, 0); // frame_rate_ext_d
- }
-
- put_header(s, GOP_START_CODE);
- put_bits(&s->pb, 1, !!(s->avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE)); /* drop frame flag */
- /* time code : we must convert from the real frame rate to a
- fake mpeg frame rate in case of low frame rate */
- fps = (framerate.num + framerate.den/2)/ framerate.den;
- time_code = s->current_picture_ptr->coded_picture_number + s->avctx->timecode_frame_start;
-
- s->gop_picture_number = s->current_picture_ptr->coded_picture_number;
- if (s->avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE) {
- /* only works for NTSC 29.97 */
- int d = time_code / 17982;
- int m = time_code % 17982;
- //if (m < 2) m += 2; /* not needed since -2,-1 / 1798 in C returns 0 */
- time_code += 18 * d + 2 * ((m - 2) / 1798);
- }
- put_bits(&s->pb, 5, (uint32_t)((time_code / (fps * 3600)) % 24));
- put_bits(&s->pb, 6, (uint32_t)((time_code / (fps * 60)) % 60));
- put_bits(&s->pb, 1, 1);
- put_bits(&s->pb, 6, (uint32_t)((time_code / fps) % 60));
- put_bits(&s->pb, 6, (uint32_t)((time_code % fps)));
- put_bits(&s->pb, 1, !!(s->flags & CODEC_FLAG_CLOSED_GOP));
- put_bits(&s->pb, 1, 0); /* broken link */
- }
-}
-
-static inline void encode_mb_skip_run(MpegEncContext *s, int run){
- while (run >= 33) {
- put_bits(&s->pb, 11, 0x008);
- run -= 33;
- }
- put_bits(&s->pb, mbAddrIncrTable[run][1],
- mbAddrIncrTable[run][0]);
-}
-#endif //CONFIG_ENCODERS
-
-static void common_init(MpegEncContext *s)
+void common_init(MpegEncContext *s)
{
s->y_dc_scale_table=
@@ -408,621 +137,6 @@ void ff_mpeg1_clean_buffers(MpegEncConte
memset(s->last_mv, 0, sizeof(s->last_mv));
}
-#ifdef CONFIG_ENCODERS
-
-static av_always_inline void put_qscale(MpegEncContext *s)
-{
- if(s->q_scale_type){
- assert(s->qscale>=1 && s->qscale <=12);
- put_bits(&s->pb, 5, inv_non_linear_qscale[s->qscale]);
- }else{
- put_bits(&s->pb, 5, s->qscale);
- }
-}
-
-void ff_mpeg1_encode_slice_header(MpegEncContext *s){
- put_header(s, SLICE_MIN_START_CODE + s->mb_y);
- put_qscale(s);
- put_bits(&s->pb, 1, 0); /* slice extra information */
-}
-
-void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number)
-{
- mpeg1_encode_sequence_header(s);
-
- /* mpeg1 picture header */
- put_header(s, PICTURE_START_CODE);
- /* temporal reference */
-
- // RAL: s->picture_number instead of s->fake_picture_number
- put_bits(&s->pb, 10, (s->picture_number -
- s->gop_picture_number) & 0x3ff);
- put_bits(&s->pb, 3, s->pict_type);
-
- s->vbv_delay_ptr= s->pb.buf + put_bits_count(&s->pb)/8;
- put_bits(&s->pb, 16, 0xFFFF); /* vbv_delay */
-
- // RAL: Forward f_code also needed for B frames
- if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) {
- put_bits(&s->pb, 1, 0); /* half pel coordinates */
- if(s->codec_id == CODEC_ID_MPEG1VIDEO)
- put_bits(&s->pb, 3, s->f_code); /* forward_f_code */
- else
- put_bits(&s->pb, 3, 7); /* forward_f_code */
- }
-
- // RAL: Backward f_code necessary for B frames
- if (s->pict_type == B_TYPE) {
- put_bits(&s->pb, 1, 0); /* half pel coordinates */
- if(s->codec_id == CODEC_ID_MPEG1VIDEO)
- put_bits(&s->pb, 3, s->b_code); /* backward_f_code */
- else
- put_bits(&s->pb, 3, 7); /* backward_f_code */
- }
-
- put_bits(&s->pb, 1, 0); /* extra bit picture */
-
- s->frame_pred_frame_dct = 1;
- if(s->codec_id == CODEC_ID_MPEG2VIDEO){
- put_header(s, EXT_START_CODE);
- put_bits(&s->pb, 4, 8); //pic ext
- if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) {
- put_bits(&s->pb, 4, s->f_code);
- put_bits(&s->pb, 4, s->f_code);
- }else{
- put_bits(&s->pb, 8, 255);
- }
- if (s->pict_type == B_TYPE) {
- put_bits(&s->pb, 4, s->b_code);
- put_bits(&s->pb, 4, s->b_code);
- }else{
- put_bits(&s->pb, 8, 255);
- }
- put_bits(&s->pb, 2, s->intra_dc_precision);
-
- assert(s->picture_structure == PICT_FRAME);
- put_bits(&s->pb, 2, s->picture_structure);
- if (s->progressive_sequence) {
- put_bits(&s->pb, 1, 0); /* no repeat */
- } else {
- put_bits(&s->pb, 1, s->current_picture_ptr->top_field_first);
- }
- /* XXX: optimize the generation of this flag with entropy
- measures */
- s->frame_pred_frame_dct = s->progressive_sequence;
-
- put_bits(&s->pb, 1, s->frame_pred_frame_dct);
- put_bits(&s->pb, 1, s->concealment_motion_vectors);
- put_bits(&s->pb, 1, s->q_scale_type);
- put_bits(&s->pb, 1, s->intra_vlc_format);
- put_bits(&s->pb, 1, s->alternate_scan);
- put_bits(&s->pb, 1, s->repeat_first_field);
- s->progressive_frame = s->progressive_sequence;
- put_bits(&s->pb, 1, s->chroma_format == CHROMA_420 ? s->progressive_frame : 0); /* chroma_420_type */
- put_bits(&s->pb, 1, s->progressive_frame);
- put_bits(&s->pb, 1, 0); //composite_display_flag
- }
- if(s->flags & CODEC_FLAG_SVCD_SCAN_OFFSET){
- int i;
-
- put_header(s, USER_START_CODE);
- for(i=0; i<sizeof(svcd_scan_offset_placeholder); i++){
- put_bits(&s->pb, 8, svcd_scan_offset_placeholder[i]);
- }
- }
-
- s->mb_y=0;
- ff_mpeg1_encode_slice_header(s);
-}
-
-static inline void put_mb_modes(MpegEncContext *s, int n, int bits,
- int has_mv, int field_motion)
-{
- put_bits(&s->pb, n, bits);
- if (!s->frame_pred_frame_dct) {
- if (has_mv)
- put_bits(&s->pb, 2, 2 - field_motion); /* motion_type: frame/field */
- put_bits(&s->pb, 1, s->interlaced_dct);
- }
-}
-
-static av_always_inline void mpeg1_encode_mb_internal(MpegEncContext *s,
- DCTELEM block[6][64],
- int motion_x, int motion_y,
- int mb_block_count)
-{
- int i, cbp;
- const int mb_x = s->mb_x;
- const int mb_y = s->mb_y;
- const int first_mb= mb_x == s->resync_mb_x && mb_y == s->resync_mb_y;
-
- /* compute cbp */
- cbp = 0;
- for(i=0;i<mb_block_count;i++) {
- if (s->block_last_index[i] >= 0)
- cbp |= 1 << (mb_block_count - 1 - i);
- }
-
- if (cbp == 0 && !first_mb && s->mv_type == MV_TYPE_16X16 &&
- (mb_x != s->mb_width - 1 || (mb_y != s->mb_height - 1 && s->codec_id == CODEC_ID_MPEG1VIDEO)) &&
- ((s->pict_type == P_TYPE && (motion_x | motion_y) == 0) ||
- (s->pict_type == B_TYPE && s->mv_dir == s->last_mv_dir && (((s->mv_dir & MV_DIR_FORWARD) ? ((s->mv[0][0][0] - s->last_mv[0][0][0])|(s->mv[0][0][1] - s->last_mv[0][0][1])) : 0) |
- ((s->mv_dir & MV_DIR_BACKWARD) ? ((s->mv[1][0][0] - s->last_mv[1][0][0])|(s->mv[1][0][1] - s->last_mv[1][0][1])) : 0)) == 0))) {
- s->mb_skip_run++;
- s->qscale -= s->dquant;
- s->skip_count++;
- s->misc_bits++;
- s->last_bits++;
- if(s->pict_type == P_TYPE){
- s->last_mv[0][1][0]= s->last_mv[0][0][0]=
- s->last_mv[0][1][1]= s->last_mv[0][0][1]= 0;
- }
- } else {
- if(first_mb){
- assert(s->mb_skip_run == 0);
- encode_mb_skip_run(s, s->mb_x);
- }else{
- encode_mb_skip_run(s, s->mb_skip_run);
- }
-
- if (s->pict_type == I_TYPE) {
- if(s->dquant && cbp){
- put_mb_modes(s, 2, 1, 0, 0); /* macroblock_type : macroblock_quant = 1 */
- put_qscale(s);
- }else{
- put_mb_modes(s, 1, 1, 0, 0); /* macroblock_type : macroblock_quant = 0 */
- s->qscale -= s->dquant;
- }
- s->misc_bits+= get_bits_diff(s);
- s->i_count++;
- } else if (s->mb_intra) {
- if(s->dquant && cbp){
- put_mb_modes(s, 6, 0x01, 0, 0);
- put_qscale(s);
- }else{
- put_mb_modes(s, 5, 0x03, 0, 0);
- s->qscale -= s->dquant;
- }
- s->misc_bits+= get_bits_diff(s);
- s->i_count++;
- memset(s->last_mv, 0, sizeof(s->last_mv));
- } else if (s->pict_type == P_TYPE) {
- if(s->mv_type == MV_TYPE_16X16){
- if (cbp != 0) {
- if ((motion_x|motion_y) == 0) {
- if(s->dquant){
- put_mb_modes(s, 5, 1, 0, 0); /* macroblock_pattern & quant */
- put_qscale(s);
- }else{
- put_mb_modes(s, 2, 1, 0, 0); /* macroblock_pattern only */
- }
- s->misc_bits+= get_bits_diff(s);
- } else {
- if(s->dquant){
- put_mb_modes(s, 5, 2, 1, 0); /* motion + cbp */
- put_qscale(s);
- }else{
- put_mb_modes(s, 1, 1, 1, 0); /* motion + cbp */
- }
- s->misc_bits+= get_bits_diff(s);
- mpeg1_encode_motion(s, motion_x - s->last_mv[0][0][0], s->f_code); // RAL: f_code parameter added
- mpeg1_encode_motion(s, motion_y - s->last_mv[0][0][1], s->f_code); // RAL: f_code parameter added
- s->mv_bits+= get_bits_diff(s);
- }
- } else {
- put_bits(&s->pb, 3, 1); /* motion only */
- if (!s->frame_pred_frame_dct)
- put_bits(&s->pb, 2, 2); /* motion_type: frame */
- s->misc_bits+= get_bits_diff(s);
- mpeg1_encode_motion(s, motion_x - s->last_mv[0][0][0], s->f_code); // RAL: f_code parameter added
- mpeg1_encode_motion(s, motion_y - s->last_mv[0][0][1], s->f_code); // RAL: f_code parameter added
- s->qscale -= s->dquant;
- s->mv_bits+= get_bits_diff(s);
- }
- s->last_mv[0][1][0]= s->last_mv[0][0][0]= motion_x;
- s->last_mv[0][1][1]= s->last_mv[0][0][1]= motion_y;
- }else{
- assert(!s->frame_pred_frame_dct && s->mv_type == MV_TYPE_FIELD);
-
- if (cbp) {
- if(s->dquant){
- put_mb_modes(s, 5, 2, 1, 1); /* motion + cbp */
- put_qscale(s);
- }else{
- put_mb_modes(s, 1, 1, 1, 1); /* motion + cbp */
- }
- } else {
- put_bits(&s->pb, 3, 1); /* motion only */
- put_bits(&s->pb, 2, 1); /* motion_type: field */
- s->qscale -= s->dquant;
- }
- s->misc_bits+= get_bits_diff(s);
- for(i=0; i<2; i++){
- put_bits(&s->pb, 1, s->field_select[0][i]);
- mpeg1_encode_motion(s, s->mv[0][i][0] - s->last_mv[0][i][0] , s->f_code);
- mpeg1_encode_motion(s, s->mv[0][i][1] - (s->last_mv[0][i][1]>>1), s->f_code);
- s->last_mv[0][i][0]= s->mv[0][i][0];
- s->last_mv[0][i][1]= 2*s->mv[0][i][1];
- }
- s->mv_bits+= get_bits_diff(s);
- }
- if(cbp) {
- if (s->chroma_y_shift) {
- put_bits(&s->pb, mbPatTable[cbp][1], mbPatTable[cbp][0]);
- } else {
- put_bits(&s->pb, mbPatTable[cbp>>2][1], mbPatTable[cbp>>2][0]);
- put_bits(&s->pb, 2, cbp & 3);
- }
- }
- s->f_count++;
- } else{
- static const int mb_type_len[4]={0,3,4,2}; //bak,for,bi
-
- if(s->mv_type == MV_TYPE_16X16){
- if (cbp){ // With coded bloc pattern
- if (s->dquant) {
- if(s->mv_dir == MV_DIR_FORWARD)
- put_mb_modes(s, 6, 3, 1, 0);
- else
- put_mb_modes(s, mb_type_len[s->mv_dir]+3, 2, 1, 0);
- put_qscale(s);
- } else {
- put_mb_modes(s, mb_type_len[s->mv_dir], 3, 1, 0);
- }
- }else{ // No coded bloc pattern
- put_bits(&s->pb, mb_type_len[s->mv_dir], 2);
- if (!s->frame_pred_frame_dct)
- put_bits(&s->pb, 2, 2); /* motion_type: frame */
- s->qscale -= s->dquant;
- }
- s->misc_bits += get_bits_diff(s);
- if (s->mv_dir&MV_DIR_FORWARD){
- mpeg1_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code);
- mpeg1_encode_motion(s, s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code);
- s->last_mv[0][0][0]=s->last_mv[0][1][0]= s->mv[0][0][0];
- s->last_mv[0][0][1]=s->last_mv[0][1][1]= s->mv[0][0][1];
- s->f_count++;
- }
- if (s->mv_dir&MV_DIR_BACKWARD){
- mpeg1_encode_motion(s, s->mv[1][0][0] - s->last_mv[1][0][0], s->b_code);
- mpeg1_encode_motion(s, s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code);
- s->last_mv[1][0][0]=s->last_mv[1][1][0]= s->mv[1][0][0];
- s->last_mv[1][0][1]=s->last_mv[1][1][1]= s->mv[1][0][1];
- s->b_count++;
- }
- }else{
- assert(s->mv_type == MV_TYPE_FIELD);
- assert(!s->frame_pred_frame_dct);
- if (cbp){ // With coded bloc pattern
- if (s->dquant) {
- if(s->mv_dir == MV_DIR_FORWARD)
- put_mb_modes(s, 6, 3, 1, 1);
- else
- put_mb_modes(s, mb_type_len[s->mv_dir]+3, 2, 1, 1);
- put_qscale(s);
- } else {
- put_mb_modes(s, mb_type_len[s->mv_dir], 3, 1, 1);
- }
- }else{ // No coded bloc pattern
- put_bits(&s->pb, mb_type_len[s->mv_dir], 2);
- put_bits(&s->pb, 2, 1); /* motion_type: field */
- s->qscale -= s->dquant;
- }
- s->misc_bits += get_bits_diff(s);
- if (s->mv_dir&MV_DIR_FORWARD){
- for(i=0; i<2; i++){
- put_bits(&s->pb, 1, s->field_select[0][i]);
- mpeg1_encode_motion(s, s->mv[0][i][0] - s->last_mv[0][i][0] , s->f_code);
- mpeg1_encode_motion(s, s->mv[0][i][1] - (s->last_mv[0][i][1]>>1), s->f_code);
- s->last_mv[0][i][0]= s->mv[0][i][0];
- s->last_mv[0][i][1]= 2*s->mv[0][i][1];
- }
- s->f_count++;
- }
- if (s->mv_dir&MV_DIR_BACKWARD){
- for(i=0; i<2; i++){
- put_bits(&s->pb, 1, s->field_select[1][i]);
- mpeg1_encode_motion(s, s->mv[1][i][0] - s->last_mv[1][i][0] , s->b_code);
- mpeg1_encode_motion(s, s->mv[1][i][1] - (s->last_mv[1][i][1]>>1), s->b_code);
- s->last_mv[1][i][0]= s->mv[1][i][0];
- s->last_mv[1][i][1]= 2*s->mv[1][i][1];
- }
- s->b_count++;
- }
- }
- s->mv_bits += get_bits_diff(s);
- if(cbp) {
- if (s->chroma_y_shift) {
- put_bits(&s->pb, mbPatTable[cbp][1], mbPatTable[cbp][0]);
- } else {
- put_bits(&s->pb, mbPatTable[cbp>>2][1], mbPatTable[cbp>>2][0]);
- put_bits(&s->pb, 2, cbp & 3);
- }
- }
- }
- for(i=0;i<mb_block_count;i++) {
- if (cbp & (1 << (mb_block_count - 1 - i))) {
- mpeg1_encode_block(s, block[i], i);
- }
- }
- s->mb_skip_run = 0;
- if(s->mb_intra)
- s->i_tex_bits+= get_bits_diff(s);
- else
- s->p_tex_bits+= get_bits_diff(s);
- }
-}
-
-void mpeg1_encode_mb(MpegEncContext *s, DCTELEM block[6][64], int motion_x, int motion_y)
-{
- if (s->chroma_format == CHROMA_420) mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 6);
- else mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 8);
-}
-
-// RAL: Parameter added: f_or_b_code
-static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code)
-{
- int code, bit_size, l, bits, range, sign;
-
- if (val == 0) {
- /* zero vector */
- code = 0;
- put_bits(&s->pb,
- mbMotionVectorTable[0][1],
- mbMotionVectorTable[0][0]);
- } else {
- bit_size = f_or_b_code - 1;
- range = 1 << bit_size;
- /* modulo encoding */
- l= INT_BIT - 5 - bit_size;
- val= (val<<l)>>l;
-
- if (val >= 0) {
- val--;
- code = (val >> bit_size) + 1;
- bits = val & (range - 1);
- sign = 0;
- } else {
- val = -val;
- val--;
- code = (val >> bit_size) + 1;
- bits = val & (range - 1);
- sign = 1;
- }
-
- assert(code > 0 && code <= 16);
-
- put_bits(&s->pb,
- mbMotionVectorTable[code][1],
- mbMotionVectorTable[code][0]);
-
- put_bits(&s->pb, 1, sign);
- if (bit_size > 0) {
- put_bits(&s->pb, bit_size, bits);
- }
- }
-}
-
-void ff_mpeg1_encode_init(MpegEncContext *s)
-{
- static int done=0;
-
- common_init(s);
-
- if(!done){
- int f_code;
- int mv;
- int i;
-
- done=1;
- init_rl(&rl_mpeg1, static_rl_table_store[0]);
- init_rl(&rl_mpeg2, static_rl_table_store[1]);
-
- for(i=0; i<64; i++)
- {
- mpeg1_max_level[0][i]= rl_mpeg1.max_level[0][i];
- mpeg1_index_run[0][i]= rl_mpeg1.index_run[0][i];
- }
-
- init_uni_ac_vlc(&rl_mpeg1, uni_mpeg1_ac_vlc_len);
- if(s->intra_vlc_format)
- init_uni_ac_vlc(&rl_mpeg2, uni_mpeg2_ac_vlc_len);
-
- /* build unified dc encoding tables */
- for(i=-255; i<256; i++)
- {
- int adiff, index;
- int bits, code;
- int diff=i;
-
- adiff = FFABS(diff);
- if(diff<0) diff--;
- index = av_log2(2*adiff);
-
- bits= vlc_dc_lum_bits[index] + index;
- code= (vlc_dc_lum_code[index]<<index) + (diff & ((1 << index) - 1));
- mpeg1_lum_dc_uni[i+255]= bits + (code<<8);
-
- bits= vlc_dc_chroma_bits[index] + index;
- code= (vlc_dc_chroma_code[index]<<index) + (diff & ((1 << index) - 1));
- mpeg1_chr_dc_uni[i+255]= bits + (code<<8);
- }
-
- for(f_code=1; f_code<=MAX_FCODE; f_code++){
- for(mv=-MAX_MV; mv<=MAX_MV; mv++){
- int len;
-
- if(mv==0) len= mbMotionVectorTable[0][1];
- else{
- int val, bit_size, range, code;
-
- bit_size = f_code - 1;
- range = 1 << bit_size;
-
- val=mv;
- if (val < 0)
- val = -val;
- val--;
- code = (val >> bit_size) + 1;
- if(code<17){
- len= mbMotionVectorTable[code][1] + 1 + bit_size;
- }else{
- len= mbMotionVectorTable[16][1] + 2 + bit_size;
- }
- }
-
- mv_penalty[f_code][mv+MAX_MV]= len;
- }
- }
-
-
- for(f_code=MAX_FCODE; f_code>0; f_code--){
- for(mv=-(8<<f_code); mv<(8<<f_code); mv++){
- fcode_tab[mv+MAX_MV]= f_code;
- }
- }
- }
- s->me.mv_penalty= mv_penalty;
- s->fcode_tab= fcode_tab;
- if(s->codec_id == CODEC_ID_MPEG1VIDEO){
- s->min_qcoeff=-255;
- s->max_qcoeff= 255;
- }else{
- s->min_qcoeff=-2047;
- s->max_qcoeff= 2047;
- }
- if (s->intra_vlc_format) {
- s->intra_ac_vlc_length=
- s->intra_ac_vlc_last_length= uni_mpeg2_ac_vlc_len;
- } else {
- s->intra_ac_vlc_length=
- s->intra_ac_vlc_last_length= uni_mpeg1_ac_vlc_len;
- }
- s->inter_ac_vlc_length=
- s->inter_ac_vlc_last_length= uni_mpeg1_ac_vlc_len;
-}
-
-static inline void encode_dc(MpegEncContext *s, int diff, int component)
-{
- if(((unsigned) (diff+255)) >= 511){
- int index;
-
- if(diff<0){
- index= av_log2_16bit(-2*diff);
- diff--;
- }else{
- index= av_log2_16bit(2*diff);
- }
- if (component == 0) {
- put_bits(
- &s->pb,
- vlc_dc_lum_bits[index] + index,
- (vlc_dc_lum_code[index]<<index) + (diff & ((1 << index) - 1)));
- }else{
- put_bits(
- &s->pb,
- vlc_dc_chroma_bits[index] + index,
- (vlc_dc_chroma_code[index]<<index) + (diff & ((1 << index) - 1)));
- }
- }else{
- if (component == 0) {
- put_bits(
- &s->pb,
- mpeg1_lum_dc_uni[diff+255]&0xFF,
- mpeg1_lum_dc_uni[diff+255]>>8);
- } else {
- put_bits(
- &s->pb,
- mpeg1_chr_dc_uni[diff+255]&0xFF,
- mpeg1_chr_dc_uni[diff+255]>>8);
- }
- }
-}
-
-static void mpeg1_encode_block(MpegEncContext *s,
- DCTELEM *block,
- int n)
-{
- int alevel, level, last_non_zero, dc, diff, i, j, run, last_index, sign;
- int code, component;
- const uint16_t (*table_vlc)[2] = rl_mpeg1.table_vlc;
-
- last_index = s->block_last_index[n];
-
- /* DC coef */
- if (s->mb_intra) {
- component = (n <= 3 ? 0 : (n&1) + 1);
- dc = block[0]; /* overflow is impossible */
- diff = dc - s->last_dc[component];
- encode_dc(s, diff, component);
- s->last_dc[component] = dc;
- i = 1;
- if (s->intra_vlc_format)
- table_vlc = rl_mpeg2.table_vlc;
- } else {
- /* encode the first coefficient : needs to be done here because
- it is handled slightly differently */
- level = block[0];
- if (abs(level) == 1) {
- code = ((uint32_t)level >> 31); /* the sign bit */
- put_bits(&s->pb, 2, code | 0x02);
- i = 1;
- } else {
- i = 0;
- last_non_zero = -1;
- goto next_coef;
- }
- }
-
- /* now quantify & encode AC coefs */
- last_non_zero = i - 1;
-
- for(;i<=last_index;i++) {
- j = s->intra_scantable.permutated[i];
- level = block[j];
- next_coef:
-#if 0
- if (level != 0)
- dprintf(s->avctx, "level[%d]=%d\n", i, level);
-#endif
- /* encode using VLC */
- if (level != 0) {
- run = i - last_non_zero - 1;
-
- alevel= level;
- MASK_ABS(sign, alevel)
- sign&=1;
-
- if (alevel <= mpeg1_max_level[0][run]){
- code= mpeg1_index_run[0][run] + alevel - 1;
- /* store the vlc & sign at once */
- put_bits(&s->pb, table_vlc[code][1]+1, (table_vlc[code][0]<<1) + sign);
- } else {
- /* escape seems to be pretty rare <5% so I do not optimize it */
- put_bits(&s->pb, table_vlc[111][1], table_vlc[111][0]);
- /* escape: only clip in this case */
- put_bits(&s->pb, 6, run);
- if(s->codec_id == CODEC_ID_MPEG1VIDEO){
- if (alevel < 128) {
- put_bits(&s->pb, 8, level & 0xff);
- } else {
- if (level < 0) {
- put_bits(&s->pb, 16, 0x8001 + level + 255);
- } else {
- put_bits(&s->pb, 16, level & 0xffff);
- }
- }
- }else{
- put_bits(&s->pb, 12, level & 0xfff);
- }
- }
- last_non_zero = i;
- }
- }
- /* end of block */
- put_bits(&s->pb, table_vlc[112][1], table_vlc[112][0]);
-}
-#endif //CONFIG_ENCODERS
/******************************************/
/* decoding */
@@ -3288,35 +2402,6 @@ AVCodec mpegvideo_decoder = {
.flush= ff_mpeg_flush,
};
-#ifdef CONFIG_ENCODERS
-
-AVCodec mpeg1video_encoder = {
- "mpeg1video",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG1VIDEO,
- sizeof(MpegEncContext),
- encode_init,
- MPV_encode_picture,
- MPV_encode_end,
- .supported_framerates= ff_frame_rate_tab+1,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
- .capabilities= CODEC_CAP_DELAY,
-};
-
-AVCodec mpeg2video_encoder = {
- "mpeg2video",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO,
- sizeof(MpegEncContext),
- encode_init,
- MPV_encode_picture,
- MPV_encode_end,
- .supported_framerates= ff_frame_rate_tab+1,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, -1},
- .capabilities= CODEC_CAP_DELAY,
-};
-#endif
-
#ifdef HAVE_XVMC
static int mpeg_mc_decode_init(AVCodecContext *avctx){
Mpeg1Context *s;
Copied: trunk/libavcodec/mpeg12data.c (from r9467, /trunk/libavcodec/mpeg12data.h)
==============================================================================
--- /trunk/libavcodec/mpeg12data.h (original)
+++ trunk/libavcodec/mpeg12data.c Thu Jul 5 11:08:28 2007
@@ -1,5 +1,5 @@
/*
- * MPEG1 codec / MPEG2 decoder
+ * MPEG1/2 tables
* copyright (c) 2000,2001 Fabrice Bellard
* copyright (c) 2002-2004 Michael Niedermayer <michaelni at gmx.at>
*
@@ -21,15 +21,11 @@
*/
/**
- * @file mpeg12data.h
+ * @file mpeg12data.c
* MPEG1/2 tables.
*/
-#ifndef AVCODEC_MPEG12DATA_H
-#define AVCODEC_MPEG12DATA_H
-
-#include <stdint.h>
-#include "mpegvideo.h"
+#include "mpeg12data.h"
const uint16_t ff_mpeg1_default_intra_matrix[64] = {
8, 16, 19, 22, 26, 27, 29, 34,
@@ -53,17 +49,17 @@ const uint16_t ff_mpeg1_default_non_intr
16, 16, 16, 16, 16, 16, 16, 16,
};
-static const uint16_t vlc_dc_lum_code[12] = {
+const uint16_t vlc_dc_lum_code[12] = {
0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
};
-static const unsigned char vlc_dc_lum_bits[12] = {
+const unsigned char vlc_dc_lum_bits[12] = {
3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
};
-static const uint16_t vlc_dc_chroma_code[12] = {
+const uint16_t vlc_dc_chroma_code[12] = {
0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
};
-static const unsigned char vlc_dc_chroma_bits[12] = {
+const unsigned char vlc_dc_chroma_bits[12] = {
2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
};
@@ -167,7 +163,7 @@ static const int8_t mpeg1_run[111] = {
25, 26, 27, 28, 29, 30, 31,
};
-static RLTable rl_mpeg1 = {
+RLTable rl_mpeg1 = {
111,
111,
mpeg1_vlc,
@@ -175,7 +171,7 @@ static RLTable rl_mpeg1 = {
mpeg1_level,
};
-static RLTable rl_mpeg2 = {
+RLTable rl_mpeg2 = {
111,
111,
mpeg2_vlc,
@@ -183,7 +179,7 @@ static RLTable rl_mpeg2 = {
mpeg1_level,
};
-static const uint8_t mbAddrIncrTable[36][2] = {
+const uint8_t mbAddrIncrTable[36][2] = {
{0x1, 1},
{0x3, 3},
{0x2, 3},
@@ -222,7 +218,7 @@ static const uint8_t mbAddrIncrTable[36]
{0x0, 8}, /* end (and 15 more 0 bits should follow) */
};
-static const uint8_t mbPatTable[64][2] = {
+const uint8_t mbPatTable[64][2] = {
{0x1, 9},
{0xb, 5},
{0x9, 5},
@@ -289,58 +285,7 @@ static const uint8_t mbPatTable[64][2] =
{0xc, 6}
};
-#define MB_TYPE_ZERO_MV 0x20000000
-#define IS_ZERO_MV(a) ((a)&MB_TYPE_ZERO_MV)
-
-static const uint8_t table_mb_ptype[7][2] = {
- { 3, 5 }, // 0x01 MB_INTRA
- { 1, 2 }, // 0x02 MB_PAT
- { 1, 3 }, // 0x08 MB_FOR
- { 1, 1 }, // 0x0A MB_FOR|MB_PAT
- { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
- { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
- { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
-};
-
-static const uint32_t ptype2mb_type[7] = {
- MB_TYPE_INTRA,
- MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
- MB_TYPE_L0,
- MB_TYPE_L0 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_INTRA,
- MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
- MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
-};
-
-static const uint8_t table_mb_btype[11][2] = {
- { 3, 5 }, // 0x01 MB_INTRA
- { 2, 3 }, // 0x04 MB_BACK
- { 3, 3 }, // 0x06 MB_BACK|MB_PAT
- { 2, 4 }, // 0x08 MB_FOR
- { 3, 4 }, // 0x0A MB_FOR|MB_PAT
- { 2, 2 }, // 0x0C MB_FOR|MB_BACK
- { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
- { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
- { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
- { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
- { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
-};
-
-static const uint32_t btype2mb_type[11] = {
- MB_TYPE_INTRA,
- MB_TYPE_L1,
- MB_TYPE_L1 | MB_TYPE_CBP,
- MB_TYPE_L0,
- MB_TYPE_L0 | MB_TYPE_CBP,
- MB_TYPE_L0L1,
- MB_TYPE_L0L1 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_INTRA,
- MB_TYPE_QUANT | MB_TYPE_L1 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,
-};
-
-static const uint8_t mbMotionVectorTable[17][2] = {
+const uint8_t mbMotionVectorTable[17][2] = {
{ 0x1, 1 },
{ 0x1, 2 },
{ 0x1, 3 },
@@ -380,18 +325,6 @@ const AVRational ff_frame_rate_tab[] = {
{ 0, 0},
};
-static const uint8_t non_linear_qscale[32] = {
- 0, 1, 2, 3, 4, 5, 6, 7,
- 8,10,12,14,16,18,20,22,
- 24,28,32,36,40,44,48,52,
- 56,64,72,80,88,96,104,112,
-};
-
-static const uint8_t inv_non_linear_qscale[13] = {
- 0, 2, 4, 6, 8,
- 9,10,11,12,13,14,15,16,
-};
-
const uint8_t ff_mpeg1_dc_scale_table[128]={
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
@@ -400,38 +333,7 @@ const uint8_t ff_mpeg1_dc_scale_table[12
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
};
-static const uint8_t mpeg2_dc_scale_table1[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
-};
-
-static const uint8_t mpeg2_dc_scale_table2[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-};
-
-static const uint8_t mpeg2_dc_scale_table3[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-};
-
-static const uint8_t *mpeg2_dc_scale_table[4]={
- ff_mpeg1_dc_scale_table,
- mpeg2_dc_scale_table1,
- mpeg2_dc_scale_table2,
- mpeg2_dc_scale_table3,
-};
-
-static const float mpeg1_aspect[16]={
+const float mpeg1_aspect[16]={
0.0000,
1.0000,
0.6735,
@@ -452,7 +354,7 @@ static const float mpeg1_aspect[16]={
1.2015,
};
-static const AVRational mpeg2_aspect[16]={
+const AVRational mpeg2_aspect[16]={
{0,1},
{1,1},
{4,3},
@@ -470,13 +372,3 @@ static const AVRational mpeg2_aspect[16]
{0,1},
{0,1},
};
-
-static const uint8_t svcd_scan_offset_placeholder[14]={
- 0x10, 0x0E,
- 0x00, 0x80, 0x81,
- 0x00, 0x80, 0x81,
- 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff,
-};
-
-#endif // AVCODEC_MPEG12DATA_H
Modified: trunk/libavcodec/mpeg12data.h
==============================================================================
--- trunk/libavcodec/mpeg12data.h (original)
+++ trunk/libavcodec/mpeg12data.h Thu Jul 5 11:08:28 2007
@@ -1,5 +1,5 @@
/*
- * MPEG1 codec / MPEG2 decoder
+ * MPEG1/2 tables
* copyright (c) 2000,2001 Fabrice Bellard
* copyright (c) 2002-2004 Michael Niedermayer <michaelni at gmx.at>
*
@@ -31,452 +31,20 @@
#include <stdint.h>
#include "mpegvideo.h"
-const uint16_t ff_mpeg1_default_intra_matrix[64] = {
- 8, 16, 19, 22, 26, 27, 29, 34,
- 16, 16, 22, 24, 27, 29, 34, 37,
- 19, 22, 26, 27, 29, 34, 34, 38,
- 22, 22, 26, 27, 29, 34, 37, 40,
- 22, 26, 27, 29, 32, 35, 40, 48,
- 26, 27, 29, 32, 35, 40, 48, 58,
- 26, 27, 29, 34, 38, 46, 56, 69,
- 27, 29, 35, 38, 46, 56, 69, 83
-};
-
-const uint16_t ff_mpeg1_default_non_intra_matrix[64] = {
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
-};
-
-static const uint16_t vlc_dc_lum_code[12] = {
- 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
-};
-static const unsigned char vlc_dc_lum_bits[12] = {
- 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
-};
-
-static const uint16_t vlc_dc_chroma_code[12] = {
- 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
-};
-static const unsigned char vlc_dc_chroma_bits[12] = {
- 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
-};
-
-static const uint16_t mpeg1_vlc[113][2] = {
- { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
- { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
- { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
- { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
- { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
- { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
- { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
- { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
- { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
- { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
- { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
- { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
- { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
- { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
- { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
- { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
- { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
- { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
- { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
- { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
- { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
- { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
- { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
- { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
- { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
- { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
- { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
- { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
- { 0x1, 6 }, /* escape */
- { 0x2, 2 }, /* EOB */
-};
-
-static const uint16_t mpeg2_vlc[113][2] = {
- {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
- {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
- {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
- {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
- {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
- {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
- {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
- {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
- {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
- {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
- {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
- {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
- {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
- {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
- {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7},
- {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5},
- {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6},
- {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9},
- {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16},
- {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12},
- {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13},
- {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16},
- {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16},
- {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16},
- {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12},
- {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13},
- {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16},
- {0x1d,16}, {0x1c,16}, {0x1b,16},
- {0x01,6}, /* escape */
- {0x06,4}, /* EOB */
-};
-
-static const int8_t mpeg1_level[111] = {
- 1, 2, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31, 32,
- 33, 34, 35, 36, 37, 38, 39, 40,
- 1, 2, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 1, 2, 3, 4, 5, 1,
- 2, 3, 4, 1, 2, 3, 1, 2,
- 3, 1, 2, 3, 1, 2, 1, 2,
- 1, 2, 1, 2, 1, 2, 1, 2,
- 1, 2, 1, 2, 1, 2, 1, 2,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1,
-};
-
-static const int8_t mpeg1_run[111] = {
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 2, 2, 2, 2, 2, 3,
- 3, 3, 3, 4, 4, 4, 5, 5,
- 5, 6, 6, 6, 7, 7, 8, 8,
- 9, 9, 10, 10, 11, 11, 12, 12,
- 13, 13, 14, 14, 15, 15, 16, 16,
- 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31,
-};
-
-static RLTable rl_mpeg1 = {
- 111,
- 111,
- mpeg1_vlc,
- mpeg1_run,
- mpeg1_level,
-};
-
-static RLTable rl_mpeg2 = {
- 111,
- 111,
- mpeg2_vlc,
- mpeg1_run,
- mpeg1_level,
-};
-
-static const uint8_t mbAddrIncrTable[36][2] = {
- {0x1, 1},
- {0x3, 3},
- {0x2, 3},
- {0x3, 4},
- {0x2, 4},
- {0x3, 5},
- {0x2, 5},
- {0x7, 7},
- {0x6, 7},
- {0xb, 8},
- {0xa, 8},
- {0x9, 8},
- {0x8, 8},
- {0x7, 8},
- {0x6, 8},
- {0x17, 10},
- {0x16, 10},
- {0x15, 10},
- {0x14, 10},
- {0x13, 10},
- {0x12, 10},
- {0x23, 11},
- {0x22, 11},
- {0x21, 11},
- {0x20, 11},
- {0x1f, 11},
- {0x1e, 11},
- {0x1d, 11},
- {0x1c, 11},
- {0x1b, 11},
- {0x1a, 11},
- {0x19, 11},
- {0x18, 11},
- {0x8, 11}, /* escape */
- {0xf, 11}, /* stuffing */
- {0x0, 8}, /* end (and 15 more 0 bits should follow) */
-};
-
-static const uint8_t mbPatTable[64][2] = {
- {0x1, 9},
- {0xb, 5},
- {0x9, 5},
- {0xd, 6},
- {0xd, 4},
- {0x17, 7},
- {0x13, 7},
- {0x1f, 8},
- {0xc, 4},
- {0x16, 7},
- {0x12, 7},
- {0x1e, 8},
- {0x13, 5},
- {0x1b, 8},
- {0x17, 8},
- {0x13, 8},
- {0xb, 4},
- {0x15, 7},
- {0x11, 7},
- {0x1d, 8},
- {0x11, 5},
- {0x19, 8},
- {0x15, 8},
- {0x11, 8},
- {0xf, 6},
- {0xf, 8},
- {0xd, 8},
- {0x3, 9},
- {0xf, 5},
- {0xb, 8},
- {0x7, 8},
- {0x7, 9},
- {0xa, 4},
- {0x14, 7},
- {0x10, 7},
- {0x1c, 8},
- {0xe, 6},
- {0xe, 8},
- {0xc, 8},
- {0x2, 9},
- {0x10, 5},
- {0x18, 8},
- {0x14, 8},
- {0x10, 8},
- {0xe, 5},
- {0xa, 8},
- {0x6, 8},
- {0x6, 9},
- {0x12, 5},
- {0x1a, 8},
- {0x16, 8},
- {0x12, 8},
- {0xd, 5},
- {0x9, 8},
- {0x5, 8},
- {0x5, 9},
- {0xc, 5},
- {0x8, 8},
- {0x4, 8},
- {0x4, 9},
- {0x7, 3},
- {0xa, 5},
- {0x8, 5},
- {0xc, 6}
-};
-
-#define MB_TYPE_ZERO_MV 0x20000000
-#define IS_ZERO_MV(a) ((a)&MB_TYPE_ZERO_MV)
-
-static const uint8_t table_mb_ptype[7][2] = {
- { 3, 5 }, // 0x01 MB_INTRA
- { 1, 2 }, // 0x02 MB_PAT
- { 1, 3 }, // 0x08 MB_FOR
- { 1, 1 }, // 0x0A MB_FOR|MB_PAT
- { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
- { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
- { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
-};
-
-static const uint32_t ptype2mb_type[7] = {
- MB_TYPE_INTRA,
- MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
- MB_TYPE_L0,
- MB_TYPE_L0 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_INTRA,
- MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
- MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
-};
-
-static const uint8_t table_mb_btype[11][2] = {
- { 3, 5 }, // 0x01 MB_INTRA
- { 2, 3 }, // 0x04 MB_BACK
- { 3, 3 }, // 0x06 MB_BACK|MB_PAT
- { 2, 4 }, // 0x08 MB_FOR
- { 3, 4 }, // 0x0A MB_FOR|MB_PAT
- { 2, 2 }, // 0x0C MB_FOR|MB_BACK
- { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
- { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
- { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
- { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
- { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
-};
-
-static const uint32_t btype2mb_type[11] = {
- MB_TYPE_INTRA,
- MB_TYPE_L1,
- MB_TYPE_L1 | MB_TYPE_CBP,
- MB_TYPE_L0,
- MB_TYPE_L0 | MB_TYPE_CBP,
- MB_TYPE_L0L1,
- MB_TYPE_L0L1 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_INTRA,
- MB_TYPE_QUANT | MB_TYPE_L1 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
- MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,
-};
-
-static const uint8_t mbMotionVectorTable[17][2] = {
-{ 0x1, 1 },
-{ 0x1, 2 },
-{ 0x1, 3 },
-{ 0x1, 4 },
-{ 0x3, 6 },
-{ 0x5, 7 },
-{ 0x4, 7 },
-{ 0x3, 7 },
-{ 0xb, 9 },
-{ 0xa, 9 },
-{ 0x9, 9 },
-{ 0x11, 10 },
-{ 0x10, 10 },
-{ 0xf, 10 },
-{ 0xe, 10 },
-{ 0xd, 10 },
-{ 0xc, 10 },
-};
-
-const AVRational ff_frame_rate_tab[] = {
- { 0, 0},
- {24000, 1001},
- { 24, 1},
- { 25, 1},
- {30000, 1001},
- { 30, 1},
- { 50, 1},
- {60000, 1001},
- { 60, 1},
- // Xing's 15fps: (9)
- { 15, 1},
- // libmpeg3's "Unofficial economy rates": (10-13)
- { 5, 1},
- { 10, 1},
- { 12, 1},
- { 15, 1},
- { 0, 0},
-};
-
-static const uint8_t non_linear_qscale[32] = {
- 0, 1, 2, 3, 4, 5, 6, 7,
- 8,10,12,14,16,18,20,22,
- 24,28,32,36,40,44,48,52,
- 56,64,72,80,88,96,104,112,
-};
-
-static const uint8_t inv_non_linear_qscale[13] = {
- 0, 2, 4, 6, 8,
- 9,10,11,12,13,14,15,16,
-};
-
-const uint8_t ff_mpeg1_dc_scale_table[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-};
-
-static const uint8_t mpeg2_dc_scale_table1[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
-};
-
-static const uint8_t mpeg2_dc_scale_table2[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-};
-
-static const uint8_t mpeg2_dc_scale_table3[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-};
-
-static const uint8_t *mpeg2_dc_scale_table[4]={
- ff_mpeg1_dc_scale_table,
- mpeg2_dc_scale_table1,
- mpeg2_dc_scale_table2,
- mpeg2_dc_scale_table3,
-};
-
-static const float mpeg1_aspect[16]={
- 0.0000,
- 1.0000,
- 0.6735,
- 0.7031,
-
- 0.7615,
- 0.8055,
- 0.8437,
- 0.8935,
+extern const uint16_t vlc_dc_lum_code[12];
+extern const unsigned char vlc_dc_lum_bits[12];
+extern const uint16_t vlc_dc_chroma_code[12];
+extern const unsigned char vlc_dc_chroma_bits[12];
- 0.9157,
- 0.9815,
- 1.0255,
- 1.0695,
+extern RLTable rl_mpeg1;
+extern RLTable rl_mpeg2;
- 1.0950,
- 1.1575,
- 1.2015,
-};
+extern const uint8_t mbAddrIncrTable[36][2];
+extern const uint8_t mbPatTable[64][2];
-static const AVRational mpeg2_aspect[16]={
- {0,1},
- {1,1},
- {4,3},
- {16,9},
- {221,100},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
-};
+extern const uint8_t mbMotionVectorTable[17][2];
-static const uint8_t svcd_scan_offset_placeholder[14]={
- 0x10, 0x0E,
- 0x00, 0x80, 0x81,
- 0x00, 0x80, 0x81,
- 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff,
-};
+extern const float mpeg1_aspect[16];
+extern const AVRational mpeg2_aspect[16];
#endif // AVCODEC_MPEG12DATA_H
Copied: trunk/libavcodec/mpeg12decdata.h (from r9467, /trunk/libavcodec/mpeg12data.h)
==============================================================================
--- /trunk/libavcodec/mpeg12data.h (original)
+++ trunk/libavcodec/mpeg12decdata.h Thu Jul 5 11:08:28 2007
@@ -1,5 +1,5 @@
/*
- * MPEG1 codec / MPEG2 decoder
+ * MPEG1/2 decoder tables
* copyright (c) 2000,2001 Fabrice Bellard
* copyright (c) 2002-2004 Michael Niedermayer <michaelni at gmx.at>
*
@@ -21,273 +21,16 @@
*/
/**
- * @file mpeg12data.h
- * MPEG1/2 tables.
+ * @file mpeg12decdata.h
+ * MPEG1/2 decoder tables.
*/
-#ifndef AVCODEC_MPEG12DATA_H
-#define AVCODEC_MPEG12DATA_H
+#ifndef AVCODEC_MPEG12DECDATA_H
+#define AVCODEC_MPEG12DECDATA_H
#include <stdint.h>
#include "mpegvideo.h"
-const uint16_t ff_mpeg1_default_intra_matrix[64] = {
- 8, 16, 19, 22, 26, 27, 29, 34,
- 16, 16, 22, 24, 27, 29, 34, 37,
- 19, 22, 26, 27, 29, 34, 34, 38,
- 22, 22, 26, 27, 29, 34, 37, 40,
- 22, 26, 27, 29, 32, 35, 40, 48,
- 26, 27, 29, 32, 35, 40, 48, 58,
- 26, 27, 29, 34, 38, 46, 56, 69,
- 27, 29, 35, 38, 46, 56, 69, 83
-};
-
-const uint16_t ff_mpeg1_default_non_intra_matrix[64] = {
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
- 16, 16, 16, 16, 16, 16, 16, 16,
-};
-
-static const uint16_t vlc_dc_lum_code[12] = {
- 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
-};
-static const unsigned char vlc_dc_lum_bits[12] = {
- 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
-};
-
-static const uint16_t vlc_dc_chroma_code[12] = {
- 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
-};
-static const unsigned char vlc_dc_chroma_bits[12] = {
- 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
-};
-
-static const uint16_t mpeg1_vlc[113][2] = {
- { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
- { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
- { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
- { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
- { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
- { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
- { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
- { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
- { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
- { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
- { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
- { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
- { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
- { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
- { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
- { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
- { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
- { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
- { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
- { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
- { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
- { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
- { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
- { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
- { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
- { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
- { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
- { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
- { 0x1, 6 }, /* escape */
- { 0x2, 2 }, /* EOB */
-};
-
-static const uint16_t mpeg2_vlc[113][2] = {
- {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
- {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
- {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
- {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
- {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
- {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
- {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
- {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
- {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
- {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
- {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
- {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
- {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
- {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
- {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7},
- {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5},
- {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6},
- {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9},
- {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16},
- {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12},
- {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13},
- {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16},
- {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16},
- {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16},
- {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12},
- {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13},
- {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16},
- {0x1d,16}, {0x1c,16}, {0x1b,16},
- {0x01,6}, /* escape */
- {0x06,4}, /* EOB */
-};
-
-static const int8_t mpeg1_level[111] = {
- 1, 2, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31, 32,
- 33, 34, 35, 36, 37, 38, 39, 40,
- 1, 2, 3, 4, 5, 6, 7, 8,
- 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 1, 2, 3, 4, 5, 1,
- 2, 3, 4, 1, 2, 3, 1, 2,
- 3, 1, 2, 3, 1, 2, 1, 2,
- 1, 2, 1, 2, 1, 2, 1, 2,
- 1, 2, 1, 2, 1, 2, 1, 2,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1,
-};
-
-static const int8_t mpeg1_run[111] = {
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 2, 2, 2, 2, 2, 3,
- 3, 3, 3, 4, 4, 4, 5, 5,
- 5, 6, 6, 6, 7, 7, 8, 8,
- 9, 9, 10, 10, 11, 11, 12, 12,
- 13, 13, 14, 14, 15, 15, 16, 16,
- 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 28, 29, 30, 31,
-};
-
-static RLTable rl_mpeg1 = {
- 111,
- 111,
- mpeg1_vlc,
- mpeg1_run,
- mpeg1_level,
-};
-
-static RLTable rl_mpeg2 = {
- 111,
- 111,
- mpeg2_vlc,
- mpeg1_run,
- mpeg1_level,
-};
-
-static const uint8_t mbAddrIncrTable[36][2] = {
- {0x1, 1},
- {0x3, 3},
- {0x2, 3},
- {0x3, 4},
- {0x2, 4},
- {0x3, 5},
- {0x2, 5},
- {0x7, 7},
- {0x6, 7},
- {0xb, 8},
- {0xa, 8},
- {0x9, 8},
- {0x8, 8},
- {0x7, 8},
- {0x6, 8},
- {0x17, 10},
- {0x16, 10},
- {0x15, 10},
- {0x14, 10},
- {0x13, 10},
- {0x12, 10},
- {0x23, 11},
- {0x22, 11},
- {0x21, 11},
- {0x20, 11},
- {0x1f, 11},
- {0x1e, 11},
- {0x1d, 11},
- {0x1c, 11},
- {0x1b, 11},
- {0x1a, 11},
- {0x19, 11},
- {0x18, 11},
- {0x8, 11}, /* escape */
- {0xf, 11}, /* stuffing */
- {0x0, 8}, /* end (and 15 more 0 bits should follow) */
-};
-
-static const uint8_t mbPatTable[64][2] = {
- {0x1, 9},
- {0xb, 5},
- {0x9, 5},
- {0xd, 6},
- {0xd, 4},
- {0x17, 7},
- {0x13, 7},
- {0x1f, 8},
- {0xc, 4},
- {0x16, 7},
- {0x12, 7},
- {0x1e, 8},
- {0x13, 5},
- {0x1b, 8},
- {0x17, 8},
- {0x13, 8},
- {0xb, 4},
- {0x15, 7},
- {0x11, 7},
- {0x1d, 8},
- {0x11, 5},
- {0x19, 8},
- {0x15, 8},
- {0x11, 8},
- {0xf, 6},
- {0xf, 8},
- {0xd, 8},
- {0x3, 9},
- {0xf, 5},
- {0xb, 8},
- {0x7, 8},
- {0x7, 9},
- {0xa, 4},
- {0x14, 7},
- {0x10, 7},
- {0x1c, 8},
- {0xe, 6},
- {0xe, 8},
- {0xc, 8},
- {0x2, 9},
- {0x10, 5},
- {0x18, 8},
- {0x14, 8},
- {0x10, 8},
- {0xe, 5},
- {0xa, 8},
- {0x6, 8},
- {0x6, 9},
- {0x12, 5},
- {0x1a, 8},
- {0x16, 8},
- {0x12, 8},
- {0xd, 5},
- {0x9, 8},
- {0x5, 8},
- {0x5, 9},
- {0xc, 5},
- {0x8, 8},
- {0x4, 8},
- {0x4, 9},
- {0x7, 3},
- {0xa, 5},
- {0x8, 5},
- {0xc, 6}
-};
#define MB_TYPE_ZERO_MV 0x20000000
#define IS_ZERO_MV(a) ((a)&MB_TYPE_ZERO_MV)
@@ -340,46 +83,6 @@ static const uint32_t btype2mb_type[11]
MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,
};
-static const uint8_t mbMotionVectorTable[17][2] = {
-{ 0x1, 1 },
-{ 0x1, 2 },
-{ 0x1, 3 },
-{ 0x1, 4 },
-{ 0x3, 6 },
-{ 0x5, 7 },
-{ 0x4, 7 },
-{ 0x3, 7 },
-{ 0xb, 9 },
-{ 0xa, 9 },
-{ 0x9, 9 },
-{ 0x11, 10 },
-{ 0x10, 10 },
-{ 0xf, 10 },
-{ 0xe, 10 },
-{ 0xd, 10 },
-{ 0xc, 10 },
-};
-
-const AVRational ff_frame_rate_tab[] = {
- { 0, 0},
- {24000, 1001},
- { 24, 1},
- { 25, 1},
- {30000, 1001},
- { 30, 1},
- { 50, 1},
- {60000, 1001},
- { 60, 1},
- // Xing's 15fps: (9)
- { 15, 1},
- // libmpeg3's "Unofficial economy rates": (10-13)
- { 5, 1},
- { 10, 1},
- { 12, 1},
- { 15, 1},
- { 0, 0},
-};
-
static const uint8_t non_linear_qscale[32] = {
0, 1, 2, 3, 4, 5, 6, 7,
8,10,12,14,16,18,20,22,
@@ -387,19 +90,6 @@ static const uint8_t non_linear_qscale[3
56,64,72,80,88,96,104,112,
};
-static const uint8_t inv_non_linear_qscale[13] = {
- 0, 2, 4, 6, 8,
- 9,10,11,12,13,14,15,16,
-};
-
-const uint8_t ff_mpeg1_dc_scale_table[128]={
-// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-};
-
static const uint8_t mpeg2_dc_scale_table1[128]={
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
@@ -431,52 +121,4 @@ static const uint8_t *mpeg2_dc_scale_tab
mpeg2_dc_scale_table3,
};
-static const float mpeg1_aspect[16]={
- 0.0000,
- 1.0000,
- 0.6735,
- 0.7031,
-
- 0.7615,
- 0.8055,
- 0.8437,
- 0.8935,
-
- 0.9157,
- 0.9815,
- 1.0255,
- 1.0695,
-
- 1.0950,
- 1.1575,
- 1.2015,
-};
-
-static const AVRational mpeg2_aspect[16]={
- {0,1},
- {1,1},
- {4,3},
- {16,9},
- {221,100},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
- {0,1},
-};
-
-static const uint8_t svcd_scan_offset_placeholder[14]={
- 0x10, 0x0E,
- 0x00, 0x80, 0x81,
- 0x00, 0x80, 0x81,
- 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff,
-};
-
-#endif // AVCODEC_MPEG12DATA_H
+#endif // AVCODEC_MPEG12DECDATA_H
Copied: trunk/libavcodec/mpeg12enc.c (from r9467, /trunk/libavcodec/mpeg12.c)
==============================================================================
--- /trunk/libavcodec/mpeg12.c (original)
+++ trunk/libavcodec/mpeg12enc.c Thu Jul 5 11:08:28 2007
@@ -1,5 +1,5 @@
/*
- * MPEG1 codec / MPEG2 decoder
+ * MPEG1/2 encoder
* Copyright (c) 2000,2001 Fabrice Bellard.
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni at gmx.at>
*
@@ -21,67 +21,37 @@
*/
/**
- * @file mpeg12.c
- * MPEG1/2 codec
+ * @file mpeg12enc.c
+ * MPEG1/2 encoder
*/
-//#define DEBUG
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
+#include "mpeg12.h"
#include "mpeg12data.h"
#include "bytestream.h"
-//#undef NDEBUG
-//#include <assert.h>
+static const uint8_t inv_non_linear_qscale[13] = {
+ 0, 2, 4, 6, 8,
+ 9,10,11,12,13,14,15,16,
+};
-#define DC_VLC_BITS 9
-#define MV_VLC_BITS 9
-#define MBINCR_VLC_BITS 9
-#define MB_PAT_VLC_BITS 9
-#define MB_PTYPE_VLC_BITS 6
-#define MB_BTYPE_VLC_BITS 6
-#define TEX_VLC_BITS 9
+static const uint8_t svcd_scan_offset_placeholder[14] = {
+ 0x10, 0x0E,
+ 0x00, 0x80, 0x81,
+ 0x00, 0x80, 0x81,
+ 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff,
+};
-#ifdef CONFIG_ENCODERS
static void mpeg1_encode_block(MpegEncContext *s,
DCTELEM *block,
int component);
static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code); // RAL: f_code parameter added
-#endif //CONFIG_ENCODERS
-static inline int mpeg1_decode_block_inter(MpegEncContext *s,
- DCTELEM *block,
- int n);
-static inline int mpeg1_decode_block_intra(MpegEncContext *s,
- DCTELEM *block,
- int n);
-static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *block, int n);
-static inline int mpeg2_decode_block_non_intra(MpegEncContext *s,
- DCTELEM *block,
- int n);
-static inline int mpeg2_decode_block_intra(MpegEncContext *s,
- DCTELEM *block,
- int n);
-static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, DCTELEM *block, int n);
-static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, DCTELEM *block, int n);
-static int mpeg_decode_motion(MpegEncContext *s, int fcode, int pred);
-static void exchange_uv(MpegEncContext *s);
-extern int XVMC_field_start(MpegEncContext *s, AVCodecContext *avctx);
-extern int XVMC_field_end(MpegEncContext *s);
-extern void XVMC_pack_pblocks(MpegEncContext *s,int cbp);
-extern void XVMC_init_block(MpegEncContext *s);//set s->block
-
-static const enum PixelFormat pixfmt_yuv_420[]= {PIX_FMT_YUV420P,-1};
-static const enum PixelFormat pixfmt_yuv_422[]= {PIX_FMT_YUV422P,-1};
-static const enum PixelFormat pixfmt_yuv_444[]= {PIX_FMT_YUV444P,-1};
-static const enum PixelFormat pixfmt_xvmc_mpg2_420[] = {
- PIX_FMT_XVMC_MPEG2_IDCT,
- PIX_FMT_XVMC_MPEG2_MC,
- -1};
-#ifdef CONFIG_ENCODERS
static uint8_t mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
static uint8_t fcode_tab[MAX_MV*2+1];
@@ -94,53 +64,7 @@ static uint32_t mpeg1_chr_dc_uni[512];
static uint8_t mpeg1_index_run[2][64];
static int8_t mpeg1_max_level[2][64];
-#endif //CONFIG_ENCODERS
-
-static uint8_t static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
-
-static void init_2d_vlc_rl(RLTable *rl, int use_static)
-{
- int i;
-
- init_vlc(&rl->vlc, TEX_VLC_BITS, rl->n + 2,
- &rl->table_vlc[0][1], 4, 2,
- &rl->table_vlc[0][0], 4, 2, use_static);
-
- if(use_static)
- rl->rl_vlc[0]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
- else
- rl->rl_vlc[0]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
- for(i=0; i<rl->vlc.table_size; i++){
- int code= rl->vlc.table[i][0];
- int len = rl->vlc.table[i][1];
- int level, run;
-
- if(len==0){ // illegal code
- run= 65;
- level= MAX_LEVEL;
- }else if(len<0){ //more bits needed
- run= 0;
- level= code;
- }else{
- if(code==rl->n){ //esc
- run= 65;
- level= 0;
- }else if(code==rl->n+1){ //eob
- run= 0;
- level= 127;
- }else{
- run= rl->table_run [code] + 1;
- level= rl->table_level[code];
- }
- }
- rl->rl_vlc[0][i].len= len;
- rl->rl_vlc[0][i].level= level;
- rl->rl_vlc[0][i].run= run;
- }
-}
-
-#ifdef CONFIG_ENCODERS
static void init_uni_ac_vlc(RLTable *rl, uint8_t *uni_ac_vlc_len){
int i;
@@ -391,24 +315,6 @@ static inline void encode_mb_skip_run(Mp
put_bits(&s->pb, mbAddrIncrTable[run][1],
mbAddrIncrTable[run][0]);
}
-#endif //CONFIG_ENCODERS
-
-static void common_init(MpegEncContext *s)
-{
-
- s->y_dc_scale_table=
- s->c_dc_scale_table= mpeg2_dc_scale_table[s->intra_dc_precision];
-
-}
-
-void ff_mpeg1_clean_buffers(MpegEncContext *s){
- s->last_dc[0] = 1 << (7 + s->intra_dc_precision);
- s->last_dc[1] = s->last_dc[0];
- s->last_dc[2] = s->last_dc[0];
- memset(s->last_mv, 0, sizeof(s->last_mv));
-}
-
-#ifdef CONFIG_ENCODERS
static av_always_inline void put_qscale(MpegEncContext *s)
{
@@ -1022,2273 +928,6 @@ static void mpeg1_encode_block(MpegEncCo
/* end of block */
put_bits(&s->pb, table_vlc[112][1], table_vlc[112][0]);
}
-#endif //CONFIG_ENCODERS
-
-/******************************************/
-/* decoding */
-
-static VLC dc_lum_vlc;
-static VLC dc_chroma_vlc;
-static VLC mv_vlc;
-static VLC mbincr_vlc;
-static VLC mb_ptype_vlc;
-static VLC mb_btype_vlc;
-static VLC mb_pat_vlc;
-
-static void init_vlcs(void)
-{
- static int done = 0;
-
- if (!done) {
- done = 1;
-
- init_vlc(&dc_lum_vlc, DC_VLC_BITS, 12,
- vlc_dc_lum_bits, 1, 1,
- vlc_dc_lum_code, 2, 2, 1);
- init_vlc(&dc_chroma_vlc, DC_VLC_BITS, 12,
- vlc_dc_chroma_bits, 1, 1,
- vlc_dc_chroma_code, 2, 2, 1);
- init_vlc(&mv_vlc, MV_VLC_BITS, 17,
- &mbMotionVectorTable[0][1], 2, 1,
- &mbMotionVectorTable[0][0], 2, 1, 1);
- init_vlc(&mbincr_vlc, MBINCR_VLC_BITS, 36,
- &mbAddrIncrTable[0][1], 2, 1,
- &mbAddrIncrTable[0][0], 2, 1, 1);
- init_vlc(&mb_pat_vlc, MB_PAT_VLC_BITS, 64,
- &mbPatTable[0][1], 2, 1,
- &mbPatTable[0][0], 2, 1, 1);
-
- init_vlc(&mb_ptype_vlc, MB_PTYPE_VLC_BITS, 7,
- &table_mb_ptype[0][1], 2, 1,
- &table_mb_ptype[0][0], 2, 1, 1);
- init_vlc(&mb_btype_vlc, MB_BTYPE_VLC_BITS, 11,
- &table_mb_btype[0][1], 2, 1,
- &table_mb_btype[0][0], 2, 1, 1);
- init_rl(&rl_mpeg1, static_rl_table_store[0]);
- init_rl(&rl_mpeg2, static_rl_table_store[1]);
-
- init_2d_vlc_rl(&rl_mpeg1, 1);
- init_2d_vlc_rl(&rl_mpeg2, 1);
- }
-}
-
-static inline int get_dmv(MpegEncContext *s)
-{
- if(get_bits1(&s->gb))
- return 1 - (get_bits1(&s->gb) << 1);
- else
- return 0;
-}
-
-static inline int get_qscale(MpegEncContext *s)
-{
- int qscale = get_bits(&s->gb, 5);
- if (s->q_scale_type) {
- return non_linear_qscale[qscale];
- } else {
- return qscale << 1;
- }
-}
-
-/* motion type (for mpeg2) */
-#define MT_FIELD 1
-#define MT_FRAME 2
-#define MT_16X8 2
-#define MT_DMV 3
-
-static int mpeg_decode_mb(MpegEncContext *s,
- DCTELEM block[12][64])
-{
- int i, j, k, cbp, val, mb_type, motion_type;
- const int mb_block_count = 4 + (1<< s->chroma_format);
-
- dprintf(s->avctx, "decode_mb: x=%d y=%d\n", s->mb_x, s->mb_y);
-
- assert(s->mb_skipped==0);
-
- if (s->mb_skip_run-- != 0) {
- if(s->pict_type == I_TYPE){
- av_log(s->avctx, AV_LOG_ERROR, "skipped MB in I frame at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
-
- /* skip mb */
- s->mb_intra = 0;
- for(i=0;i<12;i++)
- s->block_last_index[i] = -1;
- if(s->picture_structure == PICT_FRAME)
- s->mv_type = MV_TYPE_16X16;
- else
- s->mv_type = MV_TYPE_FIELD;
- if (s->pict_type == P_TYPE) {
- /* if P type, zero motion vector is implied */
- s->mv_dir = MV_DIR_FORWARD;
- s->mv[0][0][0] = s->mv[0][0][1] = 0;
- s->last_mv[0][0][0] = s->last_mv[0][0][1] = 0;
- s->last_mv[0][1][0] = s->last_mv[0][1][1] = 0;
- s->field_select[0][0]= s->picture_structure - 1;
- s->mb_skipped = 1;
- s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16;
- } else {
- int mb_type;
-
- if(s->mb_x)
- mb_type= s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1];
- else
- mb_type= s->current_picture.mb_type[ s->mb_width + (s->mb_y-1)*s->mb_stride - 1]; // FIXME not sure if this is allowed in mpeg at all,
- if(IS_INTRA(mb_type))
- return -1;
-
- /* if B type, reuse previous vectors and directions */
- s->mv[0][0][0] = s->last_mv[0][0][0];
- s->mv[0][0][1] = s->last_mv[0][0][1];
- s->mv[1][0][0] = s->last_mv[1][0][0];
- s->mv[1][0][1] = s->last_mv[1][0][1];
-
- s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]=
- mb_type | MB_TYPE_SKIP;
-// assert(s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1]&(MB_TYPE_16x16|MB_TYPE_16x8));
-
- if((s->mv[0][0][0]|s->mv[0][0][1]|s->mv[1][0][0]|s->mv[1][0][1])==0)
- s->mb_skipped = 1;
- }
-
- return 0;
- }
-
- switch(s->pict_type) {
- default:
- case I_TYPE:
- if (get_bits1(&s->gb) == 0) {
- if (get_bits1(&s->gb) == 0){
- av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in I Frame at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- mb_type = MB_TYPE_QUANT | MB_TYPE_INTRA;
- } else {
- mb_type = MB_TYPE_INTRA;
- }
- break;
- case P_TYPE:
- mb_type = get_vlc2(&s->gb, mb_ptype_vlc.table, MB_PTYPE_VLC_BITS, 1);
- if (mb_type < 0){
- av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in P Frame at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- mb_type = ptype2mb_type[ mb_type ];
- break;
- case B_TYPE:
- mb_type = get_vlc2(&s->gb, mb_btype_vlc.table, MB_BTYPE_VLC_BITS, 1);
- if (mb_type < 0){
- av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in B Frame at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- mb_type = btype2mb_type[ mb_type ];
- break;
- }
- dprintf(s->avctx, "mb_type=%x\n", mb_type);
-// motion_type = 0; /* avoid warning */
- if (IS_INTRA(mb_type)) {
- s->dsp.clear_blocks(s->block[0]);
-
- if(!s->chroma_y_shift){
- s->dsp.clear_blocks(s->block[6]);
- }
-
- /* compute dct type */
- if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var?
- !s->frame_pred_frame_dct) {
- s->interlaced_dct = get_bits1(&s->gb);
- }
-
- if (IS_QUANT(mb_type))
- s->qscale = get_qscale(s);
-
- if (s->concealment_motion_vectors) {
- /* just parse them */
- if (s->picture_structure != PICT_FRAME)
- skip_bits1(&s->gb); /* field select */
-
- s->mv[0][0][0]= s->last_mv[0][0][0]= s->last_mv[0][1][0] =
- mpeg_decode_motion(s, s->mpeg_f_code[0][0], s->last_mv[0][0][0]);
- s->mv[0][0][1]= s->last_mv[0][0][1]= s->last_mv[0][1][1] =
- mpeg_decode_motion(s, s->mpeg_f_code[0][1], s->last_mv[0][0][1]);
-
- skip_bits1(&s->gb); /* marker */
- }else
- memset(s->last_mv, 0, sizeof(s->last_mv)); /* reset mv prediction */
- s->mb_intra = 1;
-#ifdef HAVE_XVMC
- //one 1 we memcpy blocks in xvmcvideo
- if(s->avctx->xvmc_acceleration > 1){
- XVMC_pack_pblocks(s,-1);//inter are always full blocks
- if(s->swap_uv){
- exchange_uv(s);
- }
- }
-#endif
-
- if (s->codec_id == CODEC_ID_MPEG2VIDEO) {
- if(s->flags2 & CODEC_FLAG2_FAST){
- for(i=0;i<6;i++) {
- mpeg2_fast_decode_block_intra(s, s->pblocks[i], i);
- }
- }else{
- for(i=0;i<mb_block_count;i++) {
- if (mpeg2_decode_block_intra(s, s->pblocks[i], i) < 0)
- return -1;
- }
- }
- } else {
- for(i=0;i<6;i++) {
- if (mpeg1_decode_block_intra(s, s->pblocks[i], i) < 0)
- return -1;
- }
- }
- } else {
- if (mb_type & MB_TYPE_ZERO_MV){
- assert(mb_type & MB_TYPE_CBP);
-
- /* compute dct type */
- if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var?
- !s->frame_pred_frame_dct) {
- s->interlaced_dct = get_bits1(&s->gb);
- }
-
- if (IS_QUANT(mb_type))
- s->qscale = get_qscale(s);
-
- s->mv_dir = MV_DIR_FORWARD;
- if(s->picture_structure == PICT_FRAME)
- s->mv_type = MV_TYPE_16X16;
- else{
- s->mv_type = MV_TYPE_FIELD;
- mb_type |= MB_TYPE_INTERLACED;
- s->field_select[0][0]= s->picture_structure - 1;
- }
- s->last_mv[0][0][0] = 0;
- s->last_mv[0][0][1] = 0;
- s->last_mv[0][1][0] = 0;
- s->last_mv[0][1][1] = 0;
- s->mv[0][0][0] = 0;
- s->mv[0][0][1] = 0;
- }else{
- assert(mb_type & MB_TYPE_L0L1);
-//FIXME decide if MBs in field pictures are MB_TYPE_INTERLACED
- /* get additional motion vector type */
- if (s->frame_pred_frame_dct)
- motion_type = MT_FRAME;
- else{
- motion_type = get_bits(&s->gb, 2);
- }
-
- /* compute dct type */
- if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var?
- !s->frame_pred_frame_dct && HAS_CBP(mb_type)) {
- s->interlaced_dct = get_bits1(&s->gb);
- }
-
- if (IS_QUANT(mb_type))
- s->qscale = get_qscale(s);
-
- /* motion vectors */
- s->mv_dir = 0;
- for(i=0;i<2;i++) {
- if (USES_LIST(mb_type, i)) {
- s->mv_dir |= (MV_DIR_FORWARD >> i);
- dprintf(s->avctx, "motion_type=%d\n", motion_type);
- switch(motion_type) {
- case MT_FRAME: /* or MT_16X8 */
- if (s->picture_structure == PICT_FRAME) {
- /* MT_FRAME */
- mb_type |= MB_TYPE_16x16;
- s->mv_type = MV_TYPE_16X16;
- s->mv[i][0][0]= s->last_mv[i][0][0]= s->last_mv[i][1][0] =
- mpeg_decode_motion(s, s->mpeg_f_code[i][0], s->last_mv[i][0][0]);
- s->mv[i][0][1]= s->last_mv[i][0][1]= s->last_mv[i][1][1] =
- mpeg_decode_motion(s, s->mpeg_f_code[i][1], s->last_mv[i][0][1]);
- /* full_pel: only for mpeg1 */
- if (s->full_pel[i]){
- s->mv[i][0][0] <<= 1;
- s->mv[i][0][1] <<= 1;
- }
- } else {
- /* MT_16X8 */
- mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED;
- s->mv_type = MV_TYPE_16X8;
- for(j=0;j<2;j++) {
- s->field_select[i][j] = get_bits1(&s->gb);
- for(k=0;k<2;k++) {
- val = mpeg_decode_motion(s, s->mpeg_f_code[i][k],
- s->last_mv[i][j][k]);
- s->last_mv[i][j][k] = val;
- s->mv[i][j][k] = val;
- }
- }
- }
- break;
- case MT_FIELD:
- s->mv_type = MV_TYPE_FIELD;
- if (s->picture_structure == PICT_FRAME) {
- mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED;
- for(j=0;j<2;j++) {
- s->field_select[i][j] = get_bits1(&s->gb);
- val = mpeg_decode_motion(s, s->mpeg_f_code[i][0],
- s->last_mv[i][j][0]);
- s->last_mv[i][j][0] = val;
- s->mv[i][j][0] = val;
- dprintf(s->avctx, "fmx=%d\n", val);
- val = mpeg_decode_motion(s, s->mpeg_f_code[i][1],
- s->last_mv[i][j][1] >> 1);
- s->last_mv[i][j][1] = val << 1;
- s->mv[i][j][1] = val;
- dprintf(s->avctx, "fmy=%d\n", val);
- }
- } else {
- mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED;
- s->field_select[i][0] = get_bits1(&s->gb);
- for(k=0;k<2;k++) {
- val = mpeg_decode_motion(s, s->mpeg_f_code[i][k],
- s->last_mv[i][0][k]);
- s->last_mv[i][0][k] = val;
- s->last_mv[i][1][k] = val;
- s->mv[i][0][k] = val;
- }
- }
- break;
- case MT_DMV:
- {
- int dmx, dmy, mx, my, m;
-
- mx = mpeg_decode_motion(s, s->mpeg_f_code[i][0],
- s->last_mv[i][0][0]);
- s->last_mv[i][0][0] = mx;
- s->last_mv[i][1][0] = mx;
- dmx = get_dmv(s);
- my = mpeg_decode_motion(s, s->mpeg_f_code[i][1],
- s->last_mv[i][0][1] >> 1);
- dmy = get_dmv(s);
- s->mv_type = MV_TYPE_DMV;
-
-
- s->last_mv[i][0][1] = my<<1;
- s->last_mv[i][1][1] = my<<1;
-
- s->mv[i][0][0] = mx;
- s->mv[i][0][1] = my;
- s->mv[i][1][0] = mx;//not used
- s->mv[i][1][1] = my;//not used
-
- if (s->picture_structure == PICT_FRAME) {
- mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED;
-
- //m = 1 + 2 * s->top_field_first;
- m = s->top_field_first ? 1 : 3;
-
- /* top -> top pred */
- s->mv[i][2][0] = ((mx * m + (mx > 0)) >> 1) + dmx;
- s->mv[i][2][1] = ((my * m + (my > 0)) >> 1) + dmy - 1;
- m = 4 - m;
- s->mv[i][3][0] = ((mx * m + (mx > 0)) >> 1) + dmx;
- s->mv[i][3][1] = ((my * m + (my > 0)) >> 1) + dmy + 1;
- } else {
- mb_type |= MB_TYPE_16x16;
-
- s->mv[i][2][0] = ((mx + (mx > 0)) >> 1) + dmx;
- s->mv[i][2][1] = ((my + (my > 0)) >> 1) + dmy;
- if(s->picture_structure == PICT_TOP_FIELD)
- s->mv[i][2][1]--;
- else
- s->mv[i][2][1]++;
- }
- }
- break;
- default:
- av_log(s->avctx, AV_LOG_ERROR, "00 motion_type at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- }
- }
- }
-
- s->mb_intra = 0;
- if (HAS_CBP(mb_type)) {
- s->dsp.clear_blocks(s->block[0]);
-
- if(!s->chroma_y_shift){
- s->dsp.clear_blocks(s->block[6]);
- }
-
- cbp = get_vlc2(&s->gb, mb_pat_vlc.table, MB_PAT_VLC_BITS, 1);
- if (cbp < 0 || ((cbp == 0) && (s->chroma_format < 2)) ){
- av_log(s->avctx, AV_LOG_ERROR, "invalid cbp at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- if(mb_block_count > 6){
- cbp<<= mb_block_count-6;
- cbp |= get_bits(&s->gb, mb_block_count-6);
- }
-
-#ifdef HAVE_XVMC
- //on 1 we memcpy blocks in xvmcvideo
- if(s->avctx->xvmc_acceleration > 1){
- XVMC_pack_pblocks(s,cbp);
- if(s->swap_uv){
- exchange_uv(s);
- }
- }
-#endif
-
- if (s->codec_id == CODEC_ID_MPEG2VIDEO) {
- if(s->flags2 & CODEC_FLAG2_FAST){
- for(i=0;i<6;i++) {
- if(cbp & 32) {
- mpeg2_fast_decode_block_non_intra(s, s->pblocks[i], i);
- } else {
- s->block_last_index[i] = -1;
- }
- cbp+=cbp;
- }
- }else{
- cbp<<= 12-mb_block_count;
-
- for(i=0;i<mb_block_count;i++) {
- if ( cbp & (1<<11) ) {
- if (mpeg2_decode_block_non_intra(s, s->pblocks[i], i) < 0)
- return -1;
- } else {
- s->block_last_index[i] = -1;
- }
- cbp+=cbp;
- }
- }
- } else {
- if(s->flags2 & CODEC_FLAG2_FAST){
- for(i=0;i<6;i++) {
- if (cbp & 32) {
- mpeg1_fast_decode_block_inter(s, s->pblocks[i], i);
- } else {
- s->block_last_index[i] = -1;
- }
- cbp+=cbp;
- }
- }else{
- for(i=0;i<6;i++) {
- if (cbp & 32) {
- if (mpeg1_decode_block_inter(s, s->pblocks[i], i) < 0)
- return -1;
- } else {
- s->block_last_index[i] = -1;
- }
- cbp+=cbp;
- }
- }
- }
- }else{
- for(i=0;i<12;i++)
- s->block_last_index[i] = -1;
- }
- }
-
- s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= mb_type;
-
- return 0;
-}
-
-/* as h263, but only 17 codes */
-static int mpeg_decode_motion(MpegEncContext *s, int fcode, int pred)
-{
- int code, sign, val, l, shift;
-
- code = get_vlc2(&s->gb, mv_vlc.table, MV_VLC_BITS, 2);
- if (code == 0) {
- return pred;
- }
- if (code < 0) {
- return 0xffff;
- }
-
- sign = get_bits1(&s->gb);
- shift = fcode - 1;
- val = code;
- if (shift) {
- val = (val - 1) << shift;
- val |= get_bits(&s->gb, shift);
- val++;
- }
- if (sign)
- val = -val;
- val += pred;
-
- /* modulo decoding */
- l= INT_BIT - 5 - shift;
- val = (val<<l)>>l;
- return val;
-}
-
-static inline int decode_dc(GetBitContext *gb, int component)
-{
- int code, diff;
-
- if (component == 0) {
- code = get_vlc2(gb, dc_lum_vlc.table, DC_VLC_BITS, 2);
- } else {
- code = get_vlc2(gb, dc_chroma_vlc.table, DC_VLC_BITS, 2);
- }
- if (code < 0){
- av_log(NULL, AV_LOG_ERROR, "invalid dc code at\n");
- return 0xffff;
- }
- if (code == 0) {
- diff = 0;
- } else {
- diff = get_xbits(gb, code);
- }
- return diff;
-}
-
-static inline int mpeg1_decode_block_intra(MpegEncContext *s,
- DCTELEM *block,
- int n)
-{
- int level, dc, diff, i, j, run;
- int component;
- RLTable *rl = &rl_mpeg1;
- uint8_t * const scantable= s->intra_scantable.permutated;
- const uint16_t *quant_matrix= s->intra_matrix;
- const int qscale= s->qscale;
-
- /* DC coef */
- component = (n <= 3 ? 0 : n - 4 + 1);
- diff = decode_dc(&s->gb, component);
- if (diff >= 0xffff)
- return -1;
- dc = s->last_dc[component];
- dc += diff;
- s->last_dc[component] = dc;
- block[0] = dc<<3;
- dprintf(s->avctx, "dc=%d diff=%d\n", dc, diff);
- i = 0;
- {
- OPEN_READER(re, &s->gb);
- /* now quantify & encode AC coefs */
- for(;;) {
- UPDATE_CACHE(re, &s->gb);
- GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
-
- if(level == 127){
- break;
- } else if(level != 0) {
- i += run;
- j = scantable[i];
- level= (level*qscale*quant_matrix[j])>>4;
- level= (level-1)|1;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
- LAST_SKIP_BITS(re, &s->gb, 1);
- } else {
- /* escape */
- run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
- UPDATE_CACHE(re, &s->gb);
- level = SHOW_SBITS(re, &s->gb, 8); SKIP_BITS(re, &s->gb, 8);
- if (level == -128) {
- level = SHOW_UBITS(re, &s->gb, 8) - 256; LAST_SKIP_BITS(re, &s->gb, 8);
- } else if (level == 0) {
- level = SHOW_UBITS(re, &s->gb, 8) ; LAST_SKIP_BITS(re, &s->gb, 8);
- }
- i += run;
- j = scantable[i];
- if(level<0){
- level= -level;
- level= (level*qscale*quant_matrix[j])>>4;
- level= (level-1)|1;
- level= -level;
- }else{
- level= (level*qscale*quant_matrix[j])>>4;
- level= (level-1)|1;
- }
- }
- if (i > 63){
- av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
-
- block[j] = level;
- }
- CLOSE_READER(re, &s->gb);
- }
- s->block_last_index[n] = i;
- return 0;
-}
-
-static inline int mpeg1_decode_block_inter(MpegEncContext *s,
- DCTELEM *block,
- int n)
-{
- int level, i, j, run;
- RLTable *rl = &rl_mpeg1;
- uint8_t * const scantable= s->intra_scantable.permutated;
- const uint16_t *quant_matrix= s->inter_matrix;
- const int qscale= s->qscale;
-
- {
- OPEN_READER(re, &s->gb);
- i = -1;
- /* special case for the first coef. no need to add a second vlc table */
- UPDATE_CACHE(re, &s->gb);
- if (((int32_t)GET_CACHE(re, &s->gb)) < 0) {
- level= (3*qscale*quant_matrix[0])>>5;
- level= (level-1)|1;
- if(GET_CACHE(re, &s->gb)&0x40000000)
- level= -level;
- block[0] = level;
- i++;
- SKIP_BITS(re, &s->gb, 2);
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- goto end;
- }
-
- /* now quantify & encode AC coefs */
- for(;;) {
- GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
-
- if(level != 0) {
- i += run;
- j = scantable[i];
- level= ((level*2+1)*qscale*quant_matrix[j])>>5;
- level= (level-1)|1;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
- SKIP_BITS(re, &s->gb, 1);
- } else {
- /* escape */
- run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
- UPDATE_CACHE(re, &s->gb);
- level = SHOW_SBITS(re, &s->gb, 8); SKIP_BITS(re, &s->gb, 8);
- if (level == -128) {
- level = SHOW_UBITS(re, &s->gb, 8) - 256; SKIP_BITS(re, &s->gb, 8);
- } else if (level == 0) {
- level = SHOW_UBITS(re, &s->gb, 8) ; SKIP_BITS(re, &s->gb, 8);
- }
- i += run;
- j = scantable[i];
- if(level<0){
- level= -level;
- level= ((level*2+1)*qscale*quant_matrix[j])>>5;
- level= (level-1)|1;
- level= -level;
- }else{
- level= ((level*2+1)*qscale*quant_matrix[j])>>5;
- level= (level-1)|1;
- }
- }
- if (i > 63){
- av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
-
- block[j] = level;
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- break;
- UPDATE_CACHE(re, &s->gb);
- }
-end:
- LAST_SKIP_BITS(re, &s->gb, 2);
- CLOSE_READER(re, &s->gb);
- }
- s->block_last_index[n] = i;
- return 0;
-}
-
-static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *block, int n)
-{
- int level, i, j, run;
- RLTable *rl = &rl_mpeg1;
- uint8_t * const scantable= s->intra_scantable.permutated;
- const int qscale= s->qscale;
-
- {
- OPEN_READER(re, &s->gb);
- i = -1;
- /* special case for the first coef. no need to add a second vlc table */
- UPDATE_CACHE(re, &s->gb);
- if (((int32_t)GET_CACHE(re, &s->gb)) < 0) {
- level= (3*qscale)>>1;
- level= (level-1)|1;
- if(GET_CACHE(re, &s->gb)&0x40000000)
- level= -level;
- block[0] = level;
- i++;
- SKIP_BITS(re, &s->gb, 2);
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- goto end;
- }
-
- /* now quantify & encode AC coefs */
- for(;;) {
- GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
-
- if(level != 0) {
- i += run;
- j = scantable[i];
- level= ((level*2+1)*qscale)>>1;
- level= (level-1)|1;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
- SKIP_BITS(re, &s->gb, 1);
- } else {
- /* escape */
- run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
- UPDATE_CACHE(re, &s->gb);
- level = SHOW_SBITS(re, &s->gb, 8); SKIP_BITS(re, &s->gb, 8);
- if (level == -128) {
- level = SHOW_UBITS(re, &s->gb, 8) - 256; SKIP_BITS(re, &s->gb, 8);
- } else if (level == 0) {
- level = SHOW_UBITS(re, &s->gb, 8) ; SKIP_BITS(re, &s->gb, 8);
- }
- i += run;
- j = scantable[i];
- if(level<0){
- level= -level;
- level= ((level*2+1)*qscale)>>1;
- level= (level-1)|1;
- level= -level;
- }else{
- level= ((level*2+1)*qscale)>>1;
- level= (level-1)|1;
- }
- }
-
- block[j] = level;
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- break;
- UPDATE_CACHE(re, &s->gb);
- }
-end:
- LAST_SKIP_BITS(re, &s->gb, 2);
- CLOSE_READER(re, &s->gb);
- }
- s->block_last_index[n] = i;
- return 0;
-}
-
-
-static inline int mpeg2_decode_block_non_intra(MpegEncContext *s,
- DCTELEM *block,
- int n)
-{
- int level, i, j, run;
- RLTable *rl = &rl_mpeg1;
- uint8_t * const scantable= s->intra_scantable.permutated;
- const uint16_t *quant_matrix;
- const int qscale= s->qscale;
- int mismatch;
-
- mismatch = 1;
-
- {
- OPEN_READER(re, &s->gb);
- i = -1;
- if (n < 4)
- quant_matrix = s->inter_matrix;
- else
- quant_matrix = s->chroma_inter_matrix;
-
- /* special case for the first coef. no need to add a second vlc table */
- UPDATE_CACHE(re, &s->gb);
- if (((int32_t)GET_CACHE(re, &s->gb)) < 0) {
- level= (3*qscale*quant_matrix[0])>>5;
- if(GET_CACHE(re, &s->gb)&0x40000000)
- level= -level;
- block[0] = level;
- mismatch ^= level;
- i++;
- SKIP_BITS(re, &s->gb, 2);
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- goto end;
- }
-
- /* now quantify & encode AC coefs */
- for(;;) {
- GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
-
- if(level != 0) {
- i += run;
- j = scantable[i];
- level= ((level*2+1)*qscale*quant_matrix[j])>>5;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
- SKIP_BITS(re, &s->gb, 1);
- } else {
- /* escape */
- run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
- UPDATE_CACHE(re, &s->gb);
- level = SHOW_SBITS(re, &s->gb, 12); SKIP_BITS(re, &s->gb, 12);
-
- i += run;
- j = scantable[i];
- if(level<0){
- level= ((-level*2+1)*qscale*quant_matrix[j])>>5;
- level= -level;
- }else{
- level= ((level*2+1)*qscale*quant_matrix[j])>>5;
- }
- }
- if (i > 63){
- av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
-
- mismatch ^= level;
- block[j] = level;
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- break;
- UPDATE_CACHE(re, &s->gb);
- }
-end:
- LAST_SKIP_BITS(re, &s->gb, 2);
- CLOSE_READER(re, &s->gb);
- }
- block[63] ^= (mismatch & 1);
-
- s->block_last_index[n] = i;
- return 0;
-}
-
-static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s,
- DCTELEM *block,
- int n)
-{
- int level, i, j, run;
- RLTable *rl = &rl_mpeg1;
- uint8_t * const scantable= s->intra_scantable.permutated;
- const int qscale= s->qscale;
- OPEN_READER(re, &s->gb);
- i = -1;
-
- /* special case for the first coef. no need to add a second vlc table */
- UPDATE_CACHE(re, &s->gb);
- if (((int32_t)GET_CACHE(re, &s->gb)) < 0) {
- level= (3*qscale)>>1;
- if(GET_CACHE(re, &s->gb)&0x40000000)
- level= -level;
- block[0] = level;
- i++;
- SKIP_BITS(re, &s->gb, 2);
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- goto end;
- }
-
- /* now quantify & encode AC coefs */
- for(;;) {
- GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
-
- if(level != 0) {
- i += run;
- j = scantable[i];
- level= ((level*2+1)*qscale)>>1;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
- SKIP_BITS(re, &s->gb, 1);
- } else {
- /* escape */
- run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
- UPDATE_CACHE(re, &s->gb);
- level = SHOW_SBITS(re, &s->gb, 12); SKIP_BITS(re, &s->gb, 12);
-
- i += run;
- j = scantable[i];
- if(level<0){
- level= ((-level*2+1)*qscale)>>1;
- level= -level;
- }else{
- level= ((level*2+1)*qscale)>>1;
- }
- }
-
- block[j] = level;
- if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
- break;
- UPDATE_CACHE(re, &s->gb);
- }
-end:
- LAST_SKIP_BITS(re, &s->gb, 2);
- CLOSE_READER(re, &s->gb);
- s->block_last_index[n] = i;
- return 0;
-}
-
-
-static inline int mpeg2_decode_block_intra(MpegEncContext *s,
- DCTELEM *block,
- int n)
-{
- int level, dc, diff, i, j, run;
- int component;
- RLTable *rl;
- uint8_t * const scantable= s->intra_scantable.permutated;
- const uint16_t *quant_matrix;
- const int qscale= s->qscale;
- int mismatch;
-
- /* DC coef */
- if (n < 4){
- quant_matrix = s->intra_matrix;
- component = 0;
- }else{
- quant_matrix = s->chroma_intra_matrix;
- component = (n&1) + 1;
- }
- diff = decode_dc(&s->gb, component);
- if (diff >= 0xffff)
- return -1;
- dc = s->last_dc[component];
- dc += diff;
- s->last_dc[component] = dc;
- block[0] = dc << (3 - s->intra_dc_precision);
- dprintf(s->avctx, "dc=%d\n", block[0]);
- mismatch = block[0] ^ 1;
- i = 0;
- if (s->intra_vlc_format)
- rl = &rl_mpeg2;
- else
- rl = &rl_mpeg1;
-
- {
- OPEN_READER(re, &s->gb);
- /* now quantify & encode AC coefs */
- for(;;) {
- UPDATE_CACHE(re, &s->gb);
- GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
-
- if(level == 127){
- break;
- } else if(level != 0) {
- i += run;
- j = scantable[i];
- level= (level*qscale*quant_matrix[j])>>4;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
- LAST_SKIP_BITS(re, &s->gb, 1);
- } else {
- /* escape */
- run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
- UPDATE_CACHE(re, &s->gb);
- level = SHOW_SBITS(re, &s->gb, 12); SKIP_BITS(re, &s->gb, 12);
- i += run;
- j = scantable[i];
- if(level<0){
- level= (-level*qscale*quant_matrix[j])>>4;
- level= -level;
- }else{
- level= (level*qscale*quant_matrix[j])>>4;
- }
- }
- if (i > 63){
- av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
-
- mismatch^= level;
- block[j] = level;
- }
- CLOSE_READER(re, &s->gb);
- }
- block[63]^= mismatch&1;
-
- s->block_last_index[n] = i;
- return 0;
-}
-
-static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s,
- DCTELEM *block,
- int n)
-{
- int level, dc, diff, j, run;
- int component;
- RLTable *rl;
- uint8_t * scantable= s->intra_scantable.permutated;
- const uint16_t *quant_matrix;
- const int qscale= s->qscale;
-
- /* DC coef */
- if (n < 4){
- quant_matrix = s->intra_matrix;
- component = 0;
- }else{
- quant_matrix = s->chroma_intra_matrix;
- component = (n&1) + 1;
- }
- diff = decode_dc(&s->gb, component);
- if (diff >= 0xffff)
- return -1;
- dc = s->last_dc[component];
- dc += diff;
- s->last_dc[component] = dc;
- block[0] = dc << (3 - s->intra_dc_precision);
- if (s->intra_vlc_format)
- rl = &rl_mpeg2;
- else
- rl = &rl_mpeg1;
-
- {
- OPEN_READER(re, &s->gb);
- /* now quantify & encode AC coefs */
- for(;;) {
- UPDATE_CACHE(re, &s->gb);
- GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
-
- if(level == 127){
- break;
- } else if(level != 0) {
- scantable += run;
- j = *scantable;
- level= (level*qscale*quant_matrix[j])>>4;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
- LAST_SKIP_BITS(re, &s->gb, 1);
- } else {
- /* escape */
- run = SHOW_UBITS(re, &s->gb, 6)+1; LAST_SKIP_BITS(re, &s->gb, 6);
- UPDATE_CACHE(re, &s->gb);
- level = SHOW_SBITS(re, &s->gb, 12); SKIP_BITS(re, &s->gb, 12);
- scantable += run;
- j = *scantable;
- if(level<0){
- level= (-level*qscale*quant_matrix[j])>>4;
- level= -level;
- }else{
- level= (level*qscale*quant_matrix[j])>>4;
- }
- }
-
- block[j] = level;
- }
- CLOSE_READER(re, &s->gb);
- }
-
- s->block_last_index[n] = scantable - s->intra_scantable.permutated;
- return 0;
-}
-
-typedef struct Mpeg1Context {
- MpegEncContext mpeg_enc_ctx;
- int mpeg_enc_ctx_allocated; /* true if decoding context allocated */
- int repeat_field; /* true if we must repeat the field */
- AVPanScan pan_scan; /** some temporary storage for the panscan */
- int slice_count;
- int swap_uv;//indicate VCR2
- int save_aspect_info;
- int save_width, save_height;
- AVRational frame_rate_ext; ///< MPEG-2 specific framerate modificator
-
-} Mpeg1Context;
-
-static int mpeg_decode_init(AVCodecContext *avctx)
-{
- Mpeg1Context *s = avctx->priv_data;
- MpegEncContext *s2 = &s->mpeg_enc_ctx;
- int i;
-
- //we need some parmutation to store
- //matrixes, until MPV_common_init()
- //set the real permutatuon
- for(i=0;i<64;i++)
- s2->dsp.idct_permutation[i]=i;
-
- MPV_decode_defaults(s2);
-
- s->mpeg_enc_ctx.avctx= avctx;
- s->mpeg_enc_ctx.flags= avctx->flags;
- s->mpeg_enc_ctx.flags2= avctx->flags2;
- common_init(&s->mpeg_enc_ctx);
- init_vlcs();
-
- s->mpeg_enc_ctx_allocated = 0;
- s->mpeg_enc_ctx.picture_number = 0;
- s->repeat_field = 0;
- s->mpeg_enc_ctx.codec_id= avctx->codec->id;
- return 0;
-}
-
-static void quant_matrix_rebuild(uint16_t *matrix, const uint8_t *old_perm,
- const uint8_t *new_perm){
- uint16_t temp_matrix[64];
- int i;
-
- memcpy(temp_matrix,matrix,64*sizeof(uint16_t));
-
- for(i=0;i<64;i++){
- matrix[new_perm[i]] = temp_matrix[old_perm[i]];
- }
-}
-
-//Call this function when we know all parameters
-//it may be called in different places for mpeg1 and mpeg2
-static int mpeg_decode_postinit(AVCodecContext *avctx){
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
- uint8_t old_permutation[64];
-
- if (
- (s1->mpeg_enc_ctx_allocated == 0)||
- avctx->coded_width != s->width ||
- avctx->coded_height != s->height||
- s1->save_width != s->width ||
- s1->save_height != s->height ||
- s1->save_aspect_info != s->aspect_ratio_info||
- 0)
- {
-
- if (s1->mpeg_enc_ctx_allocated) {
- ParseContext pc= s->parse_context;
- s->parse_context.buffer=0;
- MPV_common_end(s);
- s->parse_context= pc;
- }
-
- if( (s->width == 0 )||(s->height == 0))
- return -2;
-
- avcodec_set_dimensions(avctx, s->width, s->height);
- avctx->bit_rate = s->bit_rate;
- s1->save_aspect_info = s->aspect_ratio_info;
- s1->save_width = s->width;
- s1->save_height = s->height;
-
- //low_delay may be forced, in this case we will have B frames
- //that behave like P frames
- avctx->has_b_frames = !(s->low_delay);
-
- if(avctx->sub_id==1){//s->codec_id==avctx->codec_id==CODEC_ID
- //mpeg1 fps
- avctx->time_base.den= ff_frame_rate_tab[s->frame_rate_index].num;
- avctx->time_base.num= ff_frame_rate_tab[s->frame_rate_index].den;
- //mpeg1 aspect
- avctx->sample_aspect_ratio= av_d2q(
- 1.0/mpeg1_aspect[s->aspect_ratio_info], 255);
-
- }else{//mpeg2
- //mpeg2 fps
- av_reduce(
- &s->avctx->time_base.den,
- &s->avctx->time_base.num,
- ff_frame_rate_tab[s->frame_rate_index].num * s1->frame_rate_ext.num,
- ff_frame_rate_tab[s->frame_rate_index].den * s1->frame_rate_ext.den,
- 1<<30);
- //mpeg2 aspect
- if(s->aspect_ratio_info > 1){
- if( (s1->pan_scan.width == 0 )||(s1->pan_scan.height == 0) ){
- s->avctx->sample_aspect_ratio=
- av_div_q(
- mpeg2_aspect[s->aspect_ratio_info],
- (AVRational){s->width, s->height}
- );
- }else{
- s->avctx->sample_aspect_ratio=
- av_div_q(
- mpeg2_aspect[s->aspect_ratio_info],
- (AVRational){s1->pan_scan.width, s1->pan_scan.height}
- );
- }
- }else{
- s->avctx->sample_aspect_ratio=
- mpeg2_aspect[s->aspect_ratio_info];
- }
- }//mpeg2
-
- if(avctx->xvmc_acceleration){
- avctx->pix_fmt = avctx->get_format(avctx,pixfmt_xvmc_mpg2_420);
- }else{
- if(s->chroma_format < 2){
- avctx->pix_fmt = avctx->get_format(avctx,pixfmt_yuv_420);
- }else
- if(s->chroma_format == 2){
- avctx->pix_fmt = avctx->get_format(avctx,pixfmt_yuv_422);
- }else
- if(s->chroma_format > 2){
- avctx->pix_fmt = avctx->get_format(avctx,pixfmt_yuv_444);
- }
- }
- //until then pix_fmt may be changed right after codec init
- if( avctx->pix_fmt == PIX_FMT_XVMC_MPEG2_IDCT )
- if( avctx->idct_algo == FF_IDCT_AUTO )
- avctx->idct_algo = FF_IDCT_SIMPLE;
-
- //quantization matrixes may need reordering
- //if dct permutation is changed
- memcpy(old_permutation,s->dsp.idct_permutation,64*sizeof(uint8_t));
-
- if (MPV_common_init(s) < 0)
- return -2;
-
- quant_matrix_rebuild(s->intra_matrix, old_permutation,s->dsp.idct_permutation);
- quant_matrix_rebuild(s->inter_matrix, old_permutation,s->dsp.idct_permutation);
- quant_matrix_rebuild(s->chroma_intra_matrix,old_permutation,s->dsp.idct_permutation);
- quant_matrix_rebuild(s->chroma_inter_matrix,old_permutation,s->dsp.idct_permutation);
-
- s1->mpeg_enc_ctx_allocated = 1;
- }
- return 0;
-}
-
-static int mpeg1_decode_picture(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
-{
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
- int ref, f_code, vbv_delay;
-
- if(mpeg_decode_postinit(s->avctx) < 0)
- return -2;
-
- init_get_bits(&s->gb, buf, buf_size*8);
-
- ref = get_bits(&s->gb, 10); /* temporal ref */
- s->pict_type = get_bits(&s->gb, 3);
- if(s->pict_type == 0 || s->pict_type > 3)
- return -1;
-
- vbv_delay= get_bits(&s->gb, 16);
- if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) {
- s->full_pel[0] = get_bits1(&s->gb);
- f_code = get_bits(&s->gb, 3);
- if (f_code == 0 && avctx->error_resilience >= FF_ER_COMPLIANT)
- return -1;
- s->mpeg_f_code[0][0] = f_code;
- s->mpeg_f_code[0][1] = f_code;
- }
- if (s->pict_type == B_TYPE) {
- s->full_pel[1] = get_bits1(&s->gb);
- f_code = get_bits(&s->gb, 3);
- if (f_code == 0 && avctx->error_resilience >= FF_ER_COMPLIANT)
- return -1;
- s->mpeg_f_code[1][0] = f_code;
- s->mpeg_f_code[1][1] = f_code;
- }
- s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == I_TYPE;
-
- if(avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(avctx, AV_LOG_DEBUG, "vbv_delay %d, ref %d type:%d\n", vbv_delay, ref, s->pict_type);
-
- s->y_dc_scale = 8;
- s->c_dc_scale = 8;
- s->first_slice = 1;
- return 0;
-}
-
-static void mpeg_decode_sequence_extension(Mpeg1Context *s1)
-{
- MpegEncContext *s= &s1->mpeg_enc_ctx;
- int horiz_size_ext, vert_size_ext;
- int bit_rate_ext;
-
- skip_bits(&s->gb, 1); /* profil and level esc*/
- s->avctx->profile= get_bits(&s->gb, 3);
- s->avctx->level= get_bits(&s->gb, 4);
- s->progressive_sequence = get_bits1(&s->gb); /* progressive_sequence */
- s->chroma_format = get_bits(&s->gb, 2); /* chroma_format 1=420, 2=422, 3=444 */
- horiz_size_ext = get_bits(&s->gb, 2);
- vert_size_ext = get_bits(&s->gb, 2);
- s->width |= (horiz_size_ext << 12);
- s->height |= (vert_size_ext << 12);
- bit_rate_ext = get_bits(&s->gb, 12); /* XXX: handle it */
- s->bit_rate += (bit_rate_ext << 18) * 400;
- skip_bits1(&s->gb); /* marker */
- s->avctx->rc_buffer_size += get_bits(&s->gb, 8)*1024*16<<10;
-
- s->low_delay = get_bits1(&s->gb);
- if(s->flags & CODEC_FLAG_LOW_DELAY) s->low_delay=1;
-
- s1->frame_rate_ext.num = get_bits(&s->gb, 2)+1;
- s1->frame_rate_ext.den = get_bits(&s->gb, 5)+1;
-
- dprintf(s->avctx, "sequence extension\n");
- s->codec_id= s->avctx->codec_id= CODEC_ID_MPEG2VIDEO;
- s->avctx->sub_id = 2; /* indicates mpeg2 found */
-
- if(s->avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(s->avctx, AV_LOG_DEBUG, "profile: %d, level: %d vbv buffer: %d, bitrate:%d\n",
- s->avctx->profile, s->avctx->level, s->avctx->rc_buffer_size, s->bit_rate);
-
-}
-
-static void mpeg_decode_sequence_display_extension(Mpeg1Context *s1)
-{
- MpegEncContext *s= &s1->mpeg_enc_ctx;
- int color_description, w, h;
-
- skip_bits(&s->gb, 3); /* video format */
- color_description= get_bits1(&s->gb);
- if(color_description){
- skip_bits(&s->gb, 8); /* color primaries */
- skip_bits(&s->gb, 8); /* transfer_characteristics */
- skip_bits(&s->gb, 8); /* matrix_coefficients */
- }
- w= get_bits(&s->gb, 14);
- skip_bits(&s->gb, 1); //marker
- h= get_bits(&s->gb, 14);
- skip_bits(&s->gb, 1); //marker
-
- s1->pan_scan.width= 16*w;
- s1->pan_scan.height=16*h;
-
- if(s->avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(s->avctx, AV_LOG_DEBUG, "sde w:%d, h:%d\n", w, h);
-}
-
-static void mpeg_decode_picture_display_extension(Mpeg1Context *s1)
-{
- MpegEncContext *s= &s1->mpeg_enc_ctx;
- int i,nofco;
-
- nofco = 1;
- if(s->progressive_sequence){
- if(s->repeat_first_field){
- nofco++;
- if(s->top_field_first)
- nofco++;
- }
- }else{
- if(s->picture_structure == PICT_FRAME){
- nofco++;
- if(s->repeat_first_field)
- nofco++;
- }
- }
- for(i=0; i<nofco; i++){
- s1->pan_scan.position[i][0]= get_sbits(&s->gb, 16);
- skip_bits(&s->gb, 1); //marker
- s1->pan_scan.position[i][1]= get_sbits(&s->gb, 16);
- skip_bits(&s->gb, 1); //marker
- }
-
- if(s->avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(s->avctx, AV_LOG_DEBUG, "pde (%d,%d) (%d,%d) (%d,%d)\n",
- s1->pan_scan.position[0][0], s1->pan_scan.position[0][1],
- s1->pan_scan.position[1][0], s1->pan_scan.position[1][1],
- s1->pan_scan.position[2][0], s1->pan_scan.position[2][1]
- );
-}
-
-static void mpeg_decode_quant_matrix_extension(MpegEncContext *s)
-{
- int i, v, j;
-
- dprintf(s->avctx, "matrix extension\n");
-
- if (get_bits1(&s->gb)) {
- for(i=0;i<64;i++) {
- v = get_bits(&s->gb, 8);
- j= s->dsp.idct_permutation[ ff_zigzag_direct[i] ];
- s->intra_matrix[j] = v;
- s->chroma_intra_matrix[j] = v;
- }
- }
- if (get_bits1(&s->gb)) {
- for(i=0;i<64;i++) {
- v = get_bits(&s->gb, 8);
- j= s->dsp.idct_permutation[ ff_zigzag_direct[i] ];
- s->inter_matrix[j] = v;
- s->chroma_inter_matrix[j] = v;
- }
- }
- if (get_bits1(&s->gb)) {
- for(i=0;i<64;i++) {
- v = get_bits(&s->gb, 8);
- j= s->dsp.idct_permutation[ ff_zigzag_direct[i] ];
- s->chroma_intra_matrix[j] = v;
- }
- }
- if (get_bits1(&s->gb)) {
- for(i=0;i<64;i++) {
- v = get_bits(&s->gb, 8);
- j= s->dsp.idct_permutation[ ff_zigzag_direct[i] ];
- s->chroma_inter_matrix[j] = v;
- }
- }
-}
-
-static void mpeg_decode_picture_coding_extension(MpegEncContext *s)
-{
- s->full_pel[0] = s->full_pel[1] = 0;
- s->mpeg_f_code[0][0] = get_bits(&s->gb, 4);
- s->mpeg_f_code[0][1] = get_bits(&s->gb, 4);
- s->mpeg_f_code[1][0] = get_bits(&s->gb, 4);
- s->mpeg_f_code[1][1] = get_bits(&s->gb, 4);
- s->intra_dc_precision = get_bits(&s->gb, 2);
- s->picture_structure = get_bits(&s->gb, 2);
- s->top_field_first = get_bits1(&s->gb);
- s->frame_pred_frame_dct = get_bits1(&s->gb);
- s->concealment_motion_vectors = get_bits1(&s->gb);
- s->q_scale_type = get_bits1(&s->gb);
- s->intra_vlc_format = get_bits1(&s->gb);
- s->alternate_scan = get_bits1(&s->gb);
- s->repeat_first_field = get_bits1(&s->gb);
- s->chroma_420_type = get_bits1(&s->gb);
- s->progressive_frame = get_bits1(&s->gb);
-
- if(s->picture_structure == PICT_FRAME){
- s->first_field=0;
- s->v_edge_pos= 16*s->mb_height;
- }else{
- s->first_field ^= 1;
- s->v_edge_pos= 8*s->mb_height;
- memset(s->mbskip_table, 0, s->mb_stride*s->mb_height);
- }
-
- if(s->alternate_scan){
- ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan);
- ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan);
- }else{
- ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct);
- ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct);
- }
-
- /* composite display not parsed */
- dprintf(s->avctx, "intra_dc_precision=%d\n", s->intra_dc_precision);
- dprintf(s->avctx, "picture_structure=%d\n", s->picture_structure);
- dprintf(s->avctx, "top field first=%d\n", s->top_field_first);
- dprintf(s->avctx, "repeat first field=%d\n", s->repeat_first_field);
- dprintf(s->avctx, "conceal=%d\n", s->concealment_motion_vectors);
- dprintf(s->avctx, "intra_vlc_format=%d\n", s->intra_vlc_format);
- dprintf(s->avctx, "alternate_scan=%d\n", s->alternate_scan);
- dprintf(s->avctx, "frame_pred_frame_dct=%d\n", s->frame_pred_frame_dct);
- dprintf(s->avctx, "progressive_frame=%d\n", s->progressive_frame);
-}
-
-static void mpeg_decode_extension(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
-{
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
- int ext_type;
-
- init_get_bits(&s->gb, buf, buf_size*8);
-
- ext_type = get_bits(&s->gb, 4);
- switch(ext_type) {
- case 0x1:
- mpeg_decode_sequence_extension(s1);
- break;
- case 0x2:
- mpeg_decode_sequence_display_extension(s1);
- break;
- case 0x3:
- mpeg_decode_quant_matrix_extension(s);
- break;
- case 0x7:
- mpeg_decode_picture_display_extension(s1);
- break;
- case 0x8:
- mpeg_decode_picture_coding_extension(s);
- break;
- }
-}
-
-static void exchange_uv(MpegEncContext *s){
- short * tmp = s->pblocks[4];
- s->pblocks[4] = s->pblocks[5];
- s->pblocks[5] = tmp;
-}
-
-static int mpeg_field_start(MpegEncContext *s){
- AVCodecContext *avctx= s->avctx;
- Mpeg1Context *s1 = (Mpeg1Context*)s;
-
- /* start frame decoding */
- if(s->first_field || s->picture_structure==PICT_FRAME){
- if(MPV_frame_start(s, avctx) < 0)
- return -1;
-
- ff_er_frame_start(s);
-
- /* first check if we must repeat the frame */
- s->current_picture_ptr->repeat_pict = 0;
- if (s->repeat_first_field) {
- if (s->progressive_sequence) {
- if (s->top_field_first)
- s->current_picture_ptr->repeat_pict = 4;
- else
- s->current_picture_ptr->repeat_pict = 2;
- } else if (s->progressive_frame) {
- s->current_picture_ptr->repeat_pict = 1;
- }
- }
-
- *s->current_picture_ptr->pan_scan= s1->pan_scan;
- }else{ //second field
- int i;
-
- if(!s->current_picture_ptr){
- av_log(s->avctx, AV_LOG_ERROR, "first field missing\n");
- return -1;
- }
-
- for(i=0; i<4; i++){
- s->current_picture.data[i] = s->current_picture_ptr->data[i];
- if(s->picture_structure == PICT_BOTTOM_FIELD){
- s->current_picture.data[i] += s->current_picture_ptr->linesize[i];
- }
- }
- }
-#ifdef HAVE_XVMC
-// MPV_frame_start will call this function too,
-// but we need to call it on every field
- if(s->avctx->xvmc_acceleration)
- XVMC_field_start(s,avctx);
-#endif
-
- return 0;
-}
-
-#define DECODE_SLICE_ERROR -1
-#define DECODE_SLICE_OK 0
-
-/**
- * decodes a slice. MpegEncContext.mb_y must be set to the MB row from the startcode
- * @return DECODE_SLICE_ERROR if the slice is damaged<br>
- * DECODE_SLICE_OK if this slice is ok<br>
- */
-static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
- const uint8_t **buf, int buf_size)
-{
- MpegEncContext *s = &s1->mpeg_enc_ctx;
- AVCodecContext *avctx= s->avctx;
- int ret;
- const int field_pic= s->picture_structure != PICT_FRAME;
- const int lowres= s->avctx->lowres;
-
- s->resync_mb_x=
- s->resync_mb_y= -1;
-
- if (mb_y<<field_pic >= s->mb_height){
- av_log(s->avctx, AV_LOG_ERROR, "slice below image (%d >= %d)\n", mb_y, s->mb_height);
- return -1;
- }
-
- init_get_bits(&s->gb, *buf, buf_size*8);
-
- ff_mpeg1_clean_buffers(s);
- s->interlaced_dct = 0;
-
- s->qscale = get_qscale(s);
-
- if(s->qscale == 0){
- av_log(s->avctx, AV_LOG_ERROR, "qscale == 0\n");
- return -1;
- }
-
- /* extra slice info */
- while (get_bits1(&s->gb) != 0) {
- skip_bits(&s->gb, 8);
- }
-
- s->mb_x=0;
-
- for(;;) {
- int code = get_vlc2(&s->gb, mbincr_vlc.table, MBINCR_VLC_BITS, 2);
- if (code < 0){
- av_log(s->avctx, AV_LOG_ERROR, "first mb_incr damaged\n");
- return -1;
- }
- if (code >= 33) {
- if (code == 33) {
- s->mb_x += 33;
- }
- /* otherwise, stuffing, nothing to do */
- } else {
- s->mb_x += code;
- break;
- }
- }
- if(s->mb_x >= (unsigned)s->mb_width){
- av_log(s->avctx, AV_LOG_ERROR, "initial skip overflow\n");
- return -1;
- }
-
- s->resync_mb_x= s->mb_x;
- s->resync_mb_y= s->mb_y= mb_y;
- s->mb_skip_run= 0;
- ff_init_block_index(s);
-
- if (s->mb_y==0 && s->mb_x==0 && (s->first_field || s->picture_structure==PICT_FRAME)) {
- if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%2d%2d%2d%2d %s %s %s %s %s dc:%d pstruct:%d fdct:%d cmv:%d qtype:%d ivlc:%d rff:%d %s\n",
- s->qscale, s->mpeg_f_code[0][0],s->mpeg_f_code[0][1],s->mpeg_f_code[1][0],s->mpeg_f_code[1][1],
- s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")),
- s->progressive_sequence ? "ps" :"", s->progressive_frame ? "pf" : "", s->alternate_scan ? "alt" :"", s->top_field_first ? "top" :"",
- s->intra_dc_precision, s->picture_structure, s->frame_pred_frame_dct, s->concealment_motion_vectors,
- s->q_scale_type, s->intra_vlc_format, s->repeat_first_field, s->chroma_420_type ? "420" :"");
- }
- }
-
- for(;;) {
-#ifdef HAVE_XVMC
- //one 1 we memcpy blocks in xvmcvideo
- if(s->avctx->xvmc_acceleration > 1)
- XVMC_init_block(s);//set s->block
-#endif
-
- ret = mpeg_decode_mb(s, s->block);
- s->chroma_qscale= s->qscale;
-
- dprintf(s->avctx, "ret=%d\n", ret);
- if (ret < 0)
- return -1;
-
- if(s->current_picture.motion_val[0] && !s->encoding){ //note motion_val is normally NULL unless we want to extract the MVs
- const int wrap = field_pic ? 2*s->b8_stride : s->b8_stride;
- int xy = s->mb_x*2 + s->mb_y*2*wrap;
- int motion_x, motion_y, dir, i;
- if(field_pic && !s->first_field)
- xy += wrap/2;
-
- for(i=0; i<2; i++){
- for(dir=0; dir<2; dir++){
- if (s->mb_intra || (dir==1 && s->pict_type != B_TYPE)) {
- motion_x = motion_y = 0;
- }else if (s->mv_type == MV_TYPE_16X16 || (s->mv_type == MV_TYPE_FIELD && field_pic)){
- motion_x = s->mv[dir][0][0];
- motion_y = s->mv[dir][0][1];
- } else /*if ((s->mv_type == MV_TYPE_FIELD) || (s->mv_type == MV_TYPE_16X8))*/ {
- motion_x = s->mv[dir][i][0];
- motion_y = s->mv[dir][i][1];
- }
-
- s->current_picture.motion_val[dir][xy ][0] = motion_x;
- s->current_picture.motion_val[dir][xy ][1] = motion_y;
- s->current_picture.motion_val[dir][xy + 1][0] = motion_x;
- s->current_picture.motion_val[dir][xy + 1][1] = motion_y;
- s->current_picture.ref_index [dir][xy ]=
- s->current_picture.ref_index [dir][xy + 1]= s->field_select[dir][i];
- assert(s->field_select[dir][i]==0 || s->field_select[dir][i]==1);
- }
- xy += wrap;
- }
- }
-
- s->dest[0] += 16 >> lowres;
- s->dest[1] += 16 >> (s->chroma_x_shift + lowres);
- s->dest[2] += 16 >> (s->chroma_x_shift + lowres);
-
- MPV_decode_mb(s, s->block);
-
- if (++s->mb_x >= s->mb_width) {
- const int mb_size= 16>>s->avctx->lowres;
-
- ff_draw_horiz_band(s, mb_size*s->mb_y, mb_size);
-
- s->mb_x = 0;
- s->mb_y++;
-
- if(s->mb_y<<field_pic >= s->mb_height){
- int left= s->gb.size_in_bits - get_bits_count(&s->gb);
- int is_d10= s->chroma_format==2 && s->pict_type==I_TYPE && avctx->profile==0 && avctx->level==5
- && s->intra_dc_precision == 2 && s->q_scale_type == 1 && s->alternate_scan == 0
- && s->progressive_frame == 0 /* vbv_delay == 0xBBB || 0xE10*/;
-
- if(left < 0 || (left && show_bits(&s->gb, FFMIN(left, 23)) && !is_d10)
- || (avctx->error_resilience >= FF_ER_AGGRESSIVE && left>8)){
- av_log(avctx, AV_LOG_ERROR, "end mismatch left=%d %0X\n", left, show_bits(&s->gb, FFMIN(left, 23)));
- return -1;
- }else
- goto eos;
- }
-
- ff_init_block_index(s);
- }
-
- /* skip mb handling */
- if (s->mb_skip_run == -1) {
- /* read again increment */
- s->mb_skip_run = 0;
- for(;;) {
- int code = get_vlc2(&s->gb, mbincr_vlc.table, MBINCR_VLC_BITS, 2);
- if (code < 0){
- av_log(s->avctx, AV_LOG_ERROR, "mb incr damaged\n");
- return -1;
- }
- if (code >= 33) {
- if (code == 33) {
- s->mb_skip_run += 33;
- }else if(code == 35){
- if(s->mb_skip_run != 0 || show_bits(&s->gb, 15) != 0){
- av_log(s->avctx, AV_LOG_ERROR, "slice mismatch\n");
- return -1;
- }
- goto eos; /* end of slice */
- }
- /* otherwise, stuffing, nothing to do */
- } else {
- s->mb_skip_run += code;
- break;
- }
- }
- }
- }
-eos: // end of slice
- *buf += get_bits_count(&s->gb)/8 - 1;
-//printf("y %d %d %d %d\n", s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y);
- return 0;
-}
-
-static int slice_decode_thread(AVCodecContext *c, void *arg){
- MpegEncContext *s= arg;
- const uint8_t *buf= s->gb.buffer;
- int mb_y= s->start_mb_y;
-
- s->error_count= 3*(s->end_mb_y - s->start_mb_y)*s->mb_width;
-
- for(;;){
- uint32_t start_code;
- int ret;
-
- ret= mpeg_decode_slice((Mpeg1Context*)s, mb_y, &buf, s->gb.buffer_end - buf);
- emms_c();
-//av_log(c, AV_LOG_DEBUG, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n",
-//ret, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, s->start_mb_y, s->end_mb_y, s->error_count);
- if(ret < 0){
- if(s->resync_mb_x>=0 && s->resync_mb_y>=0)
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, AC_ERROR|DC_ERROR|MV_ERROR);
- }else{
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
- }
-
- if(s->mb_y == s->end_mb_y)
- return 0;
-
- start_code= -1;
- buf = ff_find_start_code(buf, s->gb.buffer_end, &start_code);
- mb_y= start_code - SLICE_MIN_START_CODE;
- if(mb_y < 0 || mb_y >= s->end_mb_y)
- return -1;
- }
-
- return 0; //not reached
-}
-
-/**
- * handles slice ends.
- * @return 1 if it seems to be the last slice of
- */
-static int slice_end(AVCodecContext *avctx, AVFrame *pict)
-{
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
-
- if (!s1->mpeg_enc_ctx_allocated || !s->current_picture_ptr)
- return 0;
-
-#ifdef HAVE_XVMC
- if(s->avctx->xvmc_acceleration)
- XVMC_field_end(s);
-#endif
- /* end of slice reached */
- if (/*s->mb_y<<field_pic == s->mb_height &&*/ !s->first_field) {
- /* end of image */
-
- s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_MPEG2;
-
- ff_er_frame_end(s);
-
- MPV_frame_end(s);
-
- if (s->pict_type == B_TYPE || s->low_delay) {
- *pict= *(AVFrame*)s->current_picture_ptr;
- ff_print_debug_info(s, pict);
- } else {
- s->picture_number++;
- /* latency of 1 frame for I and P frames */
- /* XXX: use another variable than picture_number */
- if (s->last_picture_ptr != NULL) {
- *pict= *(AVFrame*)s->last_picture_ptr;
- ff_print_debug_info(s, pict);
- }
- }
-
- return 1;
- } else {
- return 0;
- }
-}
-
-static int mpeg1_decode_sequence(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
-{
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
- int width,height;
- int i, v, j;
-
- init_get_bits(&s->gb, buf, buf_size*8);
-
- width = get_bits(&s->gb, 12);
- height = get_bits(&s->gb, 12);
- if (width <= 0 || height <= 0 ||
- (width % 2) != 0 || (height % 2) != 0)
- return -1;
- s->aspect_ratio_info= get_bits(&s->gb, 4);
- if (s->aspect_ratio_info == 0)
- return -1;
- s->frame_rate_index = get_bits(&s->gb, 4);
- if (s->frame_rate_index == 0 || s->frame_rate_index > 13)
- return -1;
- s->bit_rate = get_bits(&s->gb, 18) * 400;
- if (get_bits1(&s->gb) == 0) /* marker */
- return -1;
- s->width = width;
- s->height = height;
-
- s->avctx->rc_buffer_size= get_bits(&s->gb, 10) * 1024*16;
- skip_bits(&s->gb, 1);
-
- /* get matrix */
- if (get_bits1(&s->gb)) {
- for(i=0;i<64;i++) {
- v = get_bits(&s->gb, 8);
- if(v==0){
- av_log(s->avctx, AV_LOG_ERROR, "intra matrix damaged\n");
- return -1;
- }
- j = s->dsp.idct_permutation[ ff_zigzag_direct[i] ];
- s->intra_matrix[j] = v;
- s->chroma_intra_matrix[j] = v;
- }
-#ifdef DEBUG
- dprintf(s->avctx, "intra matrix present\n");
- for(i=0;i<64;i++)
- dprintf(s->avctx, " %d", s->intra_matrix[s->dsp.idct_permutation[i]]);
- dprintf(s->avctx, "\n");
-#endif
- } else {
- for(i=0;i<64;i++) {
- j = s->dsp.idct_permutation[i];
- v = ff_mpeg1_default_intra_matrix[i];
- s->intra_matrix[j] = v;
- s->chroma_intra_matrix[j] = v;
- }
- }
- if (get_bits1(&s->gb)) {
- for(i=0;i<64;i++) {
- v = get_bits(&s->gb, 8);
- if(v==0){
- av_log(s->avctx, AV_LOG_ERROR, "inter matrix damaged\n");
- return -1;
- }
- j = s->dsp.idct_permutation[ ff_zigzag_direct[i] ];
- s->inter_matrix[j] = v;
- s->chroma_inter_matrix[j] = v;
- }
-#ifdef DEBUG
- dprintf(s->avctx, "non intra matrix present\n");
- for(i=0;i<64;i++)
- dprintf(s->avctx, " %d", s->inter_matrix[s->dsp.idct_permutation[i]]);
- dprintf(s->avctx, "\n");
-#endif
- } else {
- for(i=0;i<64;i++) {
- int j= s->dsp.idct_permutation[i];
- v = ff_mpeg1_default_non_intra_matrix[i];
- s->inter_matrix[j] = v;
- s->chroma_inter_matrix[j] = v;
- }
- }
-
- if(show_bits(&s->gb, 23) != 0){
- av_log(s->avctx, AV_LOG_ERROR, "sequence header damaged\n");
- return -1;
- }
-
- /* we set mpeg2 parameters so that it emulates mpeg1 */
- s->progressive_sequence = 1;
- s->progressive_frame = 1;
- s->picture_structure = PICT_FRAME;
- s->frame_pred_frame_dct = 1;
- s->chroma_format = 1;
- s->codec_id= s->avctx->codec_id= CODEC_ID_MPEG1VIDEO;
- avctx->sub_id = 1; /* indicates mpeg1 */
- s->out_format = FMT_MPEG1;
- s->swap_uv = 0;//AFAIK VCR2 don't have SEQ_HEADER
- if(s->flags & CODEC_FLAG_LOW_DELAY) s->low_delay=1;
-
- if(s->avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(s->avctx, AV_LOG_DEBUG, "vbv buffer: %d, bitrate:%d\n",
- s->avctx->rc_buffer_size, s->bit_rate);
-
- return 0;
-}
-
-static int vcr2_init_sequence(AVCodecContext *avctx)
-{
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
- int i, v;
-
- /* start new mpeg1 context decoding */
- s->out_format = FMT_MPEG1;
- if (s1->mpeg_enc_ctx_allocated) {
- MPV_common_end(s);
- }
- s->width = avctx->coded_width;
- s->height = avctx->coded_height;
- avctx->has_b_frames= 0; //true?
- s->low_delay= 1;
-
- if(avctx->xvmc_acceleration){
- avctx->pix_fmt = avctx->get_format(avctx,pixfmt_xvmc_mpg2_420);
- }else{
- avctx->pix_fmt = avctx->get_format(avctx,pixfmt_yuv_420);
- }
-
- if( avctx->pix_fmt == PIX_FMT_XVMC_MPEG2_IDCT )
- if( avctx->idct_algo == FF_IDCT_AUTO )
- avctx->idct_algo = FF_IDCT_SIMPLE;
-
- if (MPV_common_init(s) < 0)
- return -1;
- exchange_uv(s);//common init reset pblocks, so we swap them here
- s->swap_uv = 1;// in case of xvmc we need to swap uv for each MB
- s1->mpeg_enc_ctx_allocated = 1;
-
- for(i=0;i<64;i++) {
- int j= s->dsp.idct_permutation[i];
- v = ff_mpeg1_default_intra_matrix[i];
- s->intra_matrix[j] = v;
- s->chroma_intra_matrix[j] = v;
-
- v = ff_mpeg1_default_non_intra_matrix[i];
- s->inter_matrix[j] = v;
- s->chroma_inter_matrix[j] = v;
- }
-
- s->progressive_sequence = 1;
- s->progressive_frame = 1;
- s->picture_structure = PICT_FRAME;
- s->frame_pred_frame_dct = 1;
- s->chroma_format = 1;
- s->codec_id= s->avctx->codec_id= CODEC_ID_MPEG2VIDEO;
- avctx->sub_id = 2; /* indicates mpeg2 */
- return 0;
-}
-
-
-static void mpeg_decode_user_data(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
-{
- const uint8_t *p;
- int len, flags;
- p = buf;
- len = buf_size;
-
- /* we parse the DTG active format information */
- if (len >= 5 &&
- p[0] == 'D' && p[1] == 'T' && p[2] == 'G' && p[3] == '1') {
- flags = p[4];
- p += 5;
- len -= 5;
- if (flags & 0x80) {
- /* skip event id */
- if (len < 2)
- return;
- p += 2;
- len -= 2;
- }
- if (flags & 0x40) {
- if (len < 1)
- return;
- avctx->dtg_active_format = p[0] & 0x0f;
- }
- }
-}
-
-static void mpeg_decode_gop(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size){
- Mpeg1Context *s1 = avctx->priv_data;
- MpegEncContext *s = &s1->mpeg_enc_ctx;
-
- int drop_frame_flag;
- int time_code_hours, time_code_minutes;
- int time_code_seconds, time_code_pictures;
- int broken_link;
-
- init_get_bits(&s->gb, buf, buf_size*8);
-
- drop_frame_flag = get_bits1(&s->gb);
-
- time_code_hours=get_bits(&s->gb,5);
- time_code_minutes = get_bits(&s->gb,6);
- skip_bits1(&s->gb);//marker bit
- time_code_seconds = get_bits(&s->gb,6);
- time_code_pictures = get_bits(&s->gb,6);
-
- /*broken_link indicate that after editing the
- reference frames of the first B-Frames after GOP I-Frame
- are missing (open gop)*/
- broken_link = get_bits1(&s->gb);
-
- if(s->avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(s->avctx, AV_LOG_DEBUG, "GOP (%2d:%02d:%02d.[%02d]) broken_link=%d\n",
- time_code_hours, time_code_minutes, time_code_seconds,
- time_code_pictures, broken_link);
-}
-/**
- * finds the end of the current frame in the bitstream.
- * @return the position of the first byte of the next frame, or -1
- */
-int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size)
-{
- int i;
- uint32_t state= pc->state;
-
- i=0;
- if(!pc->frame_start_found){
- for(i=0; i<buf_size; i++){
- i= ff_find_start_code(buf+i, buf+buf_size, &state) - buf - 1;
- if(state >= SLICE_MIN_START_CODE && state <= SLICE_MAX_START_CODE){
- i++;
- pc->frame_start_found=1;
- break;
- }
- }
- }
-
- if(pc->frame_start_found){
- /* EOF considered as end of frame */
- if (buf_size == 0)
- return 0;
- for(; i<buf_size; i++){
- i= ff_find_start_code(buf+i, buf+buf_size, &state) - buf - 1;
- if((state&0xFFFFFF00) == 0x100){
- if(state < SLICE_MIN_START_CODE || state > SLICE_MAX_START_CODE){
- pc->frame_start_found=0;
- pc->state=-1;
- return i-3;
- }
- }
- }
- }
- pc->state= state;
- return END_NOT_FOUND;
-}
-
-/* handle buffering and image synchronisation */
-static int mpeg_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
- uint8_t *buf, int buf_size)
-{
- Mpeg1Context *s = avctx->priv_data;
- const uint8_t *buf_end;
- const uint8_t *buf_ptr;
- uint32_t start_code;
- int ret, input_size;
- AVFrame *picture = data;
- MpegEncContext *s2 = &s->mpeg_enc_ctx;
- dprintf(avctx, "fill_buffer\n");
-
- if (buf_size == 0) {
- /* special case for last picture */
- if (s2->low_delay==0 && s2->next_picture_ptr) {
- *picture= *(AVFrame*)s2->next_picture_ptr;
- s2->next_picture_ptr= NULL;
-
- *data_size = sizeof(AVFrame);
- }
- return 0;
- }
-
- if(s2->flags&CODEC_FLAG_TRUNCATED){
- int next= ff_mpeg1_find_frame_end(&s2->parse_context, buf, buf_size);
-
- if( ff_combine_frame(&s2->parse_context, next, (const uint8_t **)&buf, &buf_size) < 0 )
- return buf_size;
- }
-
- buf_ptr = buf;
- buf_end = buf + buf_size;
-
-#if 0
- if (s->repeat_field % 2 == 1) {
- s->repeat_field++;
- //fprintf(stderr,"\nRepeating last frame: %d -> %d! pict: %d %d", avctx->frame_number-1, avctx->frame_number,
- // s2->picture_number, s->repeat_field);
- if (avctx->flags & CODEC_FLAG_REPEAT_FIELD) {
- *data_size = sizeof(AVPicture);
- goto the_end;
- }
- }
-#endif
-
- if(s->mpeg_enc_ctx_allocated==0 && avctx->codec_tag == ff_get_fourcc("VCR2"))
- vcr2_init_sequence(avctx);
-
- s->slice_count= 0;
-
- for(;;) {
- /* find start next code */
- start_code = -1;
- buf_ptr = ff_find_start_code(buf_ptr,buf_end, &start_code);
- if (start_code > 0x1ff){
- if(s2->pict_type != B_TYPE || avctx->skip_frame <= AVDISCARD_DEFAULT){
- if(avctx->thread_count > 1){
- int i;
-
- avctx->execute(avctx, slice_decode_thread, (void**)&(s2->thread_context[0]), NULL, s->slice_count);
- for(i=0; i<s->slice_count; i++)
- s2->error_count += s2->thread_context[i]->error_count;
- }
- if (slice_end(avctx, picture)) {
- if(s2->last_picture_ptr || s2->low_delay) //FIXME merge with the stuff in mpeg_decode_slice
- *data_size = sizeof(AVPicture);
- }
- }
- return FFMAX(0, buf_ptr - buf - s2->parse_context.last_index);
- }
-
- input_size = buf_end - buf_ptr;
-
- if(avctx->debug & FF_DEBUG_STARTCODE){
- av_log(avctx, AV_LOG_DEBUG, "%3X at %zd left %d\n", start_code, buf_ptr-buf, input_size);
- }
-
- /* prepare data for next start code */
- switch(start_code) {
- case SEQ_START_CODE:
- mpeg1_decode_sequence(avctx, buf_ptr,
- input_size);
- break;
-
- case PICTURE_START_CODE:
- /* we have a complete image : we try to decompress it */
- mpeg1_decode_picture(avctx,
- buf_ptr, input_size);
- break;
- case EXT_START_CODE:
- mpeg_decode_extension(avctx,
- buf_ptr, input_size);
- break;
- case USER_START_CODE:
- mpeg_decode_user_data(avctx,
- buf_ptr, input_size);
- break;
- case GOP_START_CODE:
- s2->first_field=0;
- mpeg_decode_gop(avctx,
- buf_ptr, input_size);
- break;
- default:
- if (start_code >= SLICE_MIN_START_CODE &&
- start_code <= SLICE_MAX_START_CODE) {
- int mb_y= start_code - SLICE_MIN_START_CODE;
-
- if(s2->last_picture_ptr==NULL){
- /* Skip B-frames if we do not have reference frames. */
- if(s2->pict_type==B_TYPE) break;
- /* Skip P-frames if we do not have reference frame no valid header. */
-// if(s2->pict_type==P_TYPE && s2->first_field && !s2->first_slice) break;
- }
- /* Skip B-frames if we are in a hurry. */
- if(avctx->hurry_up && s2->pict_type==B_TYPE) break;
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==B_TYPE)
- ||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=I_TYPE)
- || avctx->skip_frame >= AVDISCARD_ALL)
- break;
- /* Skip everything if we are in a hurry>=5. */
- if(avctx->hurry_up>=5) break;
-
- if (!s->mpeg_enc_ctx_allocated) break;
-
- if(s2->codec_id == CODEC_ID_MPEG2VIDEO){
- if(mb_y < avctx->skip_top || mb_y >= s2->mb_height - avctx->skip_bottom)
- break;
- }
-
- if(s2->first_slice){
- s2->first_slice=0;
- if(mpeg_field_start(s2) < 0)
- return -1;
- }
- if(!s2->current_picture_ptr){
- av_log(avctx, AV_LOG_ERROR, "current_picture not initialized\n");
- return -1;
- }
-
- if(avctx->thread_count > 1){
- int threshold= (s2->mb_height*s->slice_count + avctx->thread_count/2) / avctx->thread_count;
- if(threshold <= mb_y){
- MpegEncContext *thread_context= s2->thread_context[s->slice_count];
-
- thread_context->start_mb_y= mb_y;
- thread_context->end_mb_y = s2->mb_height;
- if(s->slice_count){
- s2->thread_context[s->slice_count-1]->end_mb_y= mb_y;
- ff_update_duplicate_context(thread_context, s2);
- }
- init_get_bits(&thread_context->gb, buf_ptr, input_size*8);
- s->slice_count++;
- }
- buf_ptr += 2; //FIXME add minimum num of bytes per slice
- }else{
- ret = mpeg_decode_slice(s, mb_y, &buf_ptr, input_size);
- emms_c();
-
- if(ret < 0){
- if(s2->resync_mb_x>=0 && s2->resync_mb_y>=0)
- ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x, s2->mb_y, AC_ERROR|DC_ERROR|MV_ERROR);
- }else{
- ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x-1, s2->mb_y, AC_END|DC_END|MV_END);
- }
- }
- }
- break;
- }
- }
-}
-
-static int mpeg_decode_end(AVCodecContext *avctx)
-{
- Mpeg1Context *s = avctx->priv_data;
-
- if (s->mpeg_enc_ctx_allocated)
- MPV_common_end(&s->mpeg_enc_ctx);
- return 0;
-}
-
-AVCodec mpeg1video_decoder = {
- "mpeg1video",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG1VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
-};
-
-AVCodec mpeg2video_decoder = {
- "mpeg2video",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
-};
-
-//legacy decoder
-AVCodec mpegvideo_decoder = {
- "mpegvideo",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO,
- sizeof(Mpeg1Context),
- mpeg_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
-};
-
-#ifdef CONFIG_ENCODERS
AVCodec mpeg1video_encoder = {
"mpeg1video",
@@ -3315,44 +954,3 @@ AVCodec mpeg2video_encoder = {
.pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, -1},
.capabilities= CODEC_CAP_DELAY,
};
-#endif
-
-#ifdef HAVE_XVMC
-static int mpeg_mc_decode_init(AVCodecContext *avctx){
- Mpeg1Context *s;
-
- if( avctx->thread_count > 1)
- return -1;
- if( !(avctx->slice_flags & SLICE_FLAG_CODED_ORDER) )
- return -1;
- if( !(avctx->slice_flags & SLICE_FLAG_ALLOW_FIELD) ){
- dprintf(avctx, "mpeg12.c: XvMC decoder will work better if SLICE_FLAG_ALLOW_FIELD is set\n");
- }
- mpeg_decode_init(avctx);
- s = avctx->priv_data;
-
- avctx->pix_fmt = PIX_FMT_XVMC_MPEG2_IDCT;
- avctx->xvmc_acceleration = 2;//2 - the blocks are packed!
-
- return 0;
-}
-
-AVCodec mpeg_xvmc_decoder = {
- "mpegvideo_xvmc",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG2VIDEO_XVMC,
- sizeof(Mpeg1Context),
- mpeg_mc_decode_init,
- NULL,
- mpeg_decode_end,
- mpeg_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED| CODEC_CAP_HWACCEL | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
-};
-
-#endif
-
-/* this is ugly i know, but the alternative is too make
- hundreds of vars global and prefix them with ff_mpeg1_
- which is far uglier. */
-#include "mdec.c"
Modified: trunk/libavcodec/mpegvideo_enc.c
==============================================================================
--- trunk/libavcodec/mpegvideo_enc.c (original)
+++ trunk/libavcodec/mpegvideo_enc.c Thu Jul 5 11:08:28 2007
@@ -675,7 +675,8 @@ int MPV_encode_init(AVCodecContext *avct
h263_encode_init(s);
if (ENABLE_MSMPEG4_ENCODER && s->msmpeg4_version)
ff_msmpeg4_encode_init(s);
- if (s->out_format == FMT_MPEG1)
+ if ((ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
+ && s->out_format == FMT_MPEG1)
ff_mpeg1_encode_init(s);
/* init q matrix */
@@ -1685,6 +1686,7 @@ static av_always_inline void encode_mb_i
switch(s->codec_id){ //FIXME funct ptr could be slightly faster
case CODEC_ID_MPEG1VIDEO:
case CODEC_ID_MPEG2VIDEO:
+ if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
mpeg1_encode_mb(s, s->block, motion_x, motion_y); break;
case CODEC_ID_MPEG4:
mpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
@@ -2146,8 +2148,10 @@ static int encode_thread(AVCodecContext
break;
case CODEC_ID_MPEG1VIDEO:
case CODEC_ID_MPEG2VIDEO:
+ if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER) {
ff_mpeg1_encode_slice_header(s);
ff_mpeg1_clean_buffers(s);
+ }
break;
case CODEC_ID_H263:
case CODEC_ID_H263P:
@@ -2873,6 +2877,7 @@ static int encode_picture(MpegEncContext
h263_encode_picture_header(s, picture_number);
break;
case FMT_MPEG1:
+ if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
mpeg1_encode_picture_header(s, picture_number);
break;
case FMT_H264:
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