[FFmpeg-devel] [PATCH 22/39] lavc/ffv1enc: stop using per-slice FFV1Context
Anton Khirnov
anton at khirnov.net
Tue Jul 16 20:11:37 EEST 2024
All remaining accesses to them are for fields that have the same value
in the main encoder context.
---
libavcodec/ffv1enc.c | 57 ++++++++++++++++-------------------
libavcodec/ffv1enc_template.c | 24 +++++++--------
2 files changed, 37 insertions(+), 44 deletions(-)
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 3a6a0e6d90..ba378a54a4 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -269,13 +269,12 @@ static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state,
#define RENAME(name) name ## 32
#include "ffv1enc_template.c"
-static int encode_plane(FFV1Context *f,
- FFV1Context *s, FFV1SliceContext *sc,
+static int encode_plane(FFV1Context *f, FFV1SliceContext *sc,
const uint8_t *src, int w, int h,
int stride, int plane_index, int pixel_stride)
{
int x, y, i, ret;
- const int ring_size = s->context_model ? 3 : 2;
+ const int ring_size = f->context_model ? 3 : 2;
int16_t *sample[3];
sc->run_index = 0;
@@ -287,22 +286,22 @@ static int encode_plane(FFV1Context *f,
sample[0][-1]= sample[1][0 ];
sample[1][ w]= sample[1][w-1];
- if (s->bits_per_raw_sample <= 8) {
+ if (f->bits_per_raw_sample <= 8) {
for (x = 0; x < w; x++)
sample[0][x] = src[x * pixel_stride + stride * y];
- if((ret = encode_line(f, s, sc, w, sample, plane_index, 8)) < 0)
+ if((ret = encode_line(f, sc, w, sample, plane_index, 8)) < 0)
return ret;
} else {
- if (s->packed_at_lsb) {
+ if (f->packed_at_lsb) {
for (x = 0; x < w; x++) {
sample[0][x] = ((uint16_t*)(src + stride*y))[x];
}
} else {
for (x = 0; x < w; x++) {
- sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - s->bits_per_raw_sample);
+ sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - f->bits_per_raw_sample);
}
}
- if((ret = encode_line(f, s, sc, w, sample, plane_index, s->bits_per_raw_sample)) < 0)
+ if((ret = encode_line(f, sc, w, sample, plane_index, f->bits_per_raw_sample)) < 0)
return ret;
}
}
@@ -908,8 +907,7 @@ slices_ok:
return 0;
}
-static void encode_slice_header(FFV1Context *f, FFV1Context *fs,
- FFV1SliceContext *sc)
+static void encode_slice_header(FFV1Context *f, FFV1SliceContext *sc)
{
RangeCoder *c = &sc->c;
uint8_t state[CONTEXT_SIZE];
@@ -942,7 +940,7 @@ static void encode_slice_header(FFV1Context *f, FFV1Context *fs,
}
}
-static void choose_rct_params(FFV1Context *fs, FFV1SliceContext *sc,
+static void choose_rct_params(const FFV1Context *f, FFV1SliceContext *sc,
const uint8_t *src[3], const int stride[3], int w, int h)
{
#define NB_Y_COEFF 15
@@ -968,7 +966,7 @@ static void choose_rct_params(FFV1Context *fs, FFV1SliceContext *sc,
int stat[NB_Y_COEFF] = {0};
int x, y, i, p, best;
int16_t *sample[3];
- int lbd = fs->bits_per_raw_sample <= 8;
+ int lbd = f->bits_per_raw_sample <= 8;
for (y = 0; y < h; y++) {
int lastr=0, lastg=0, lastb=0;
@@ -1027,10 +1025,8 @@ static void choose_rct_params(FFV1Context *fs, FFV1SliceContext *sc,
static int encode_slice(AVCodecContext *c, void *arg)
{
- FFV1Context *fs = *(void **)arg;
- FFV1Context *f = fs->avctx->priv_data;
- const int si = (FFV1Context**)arg - f->slice_context;
- FFV1SliceContext *sc = &f->slices[si];
+ FFV1SliceContext *sc = arg;
+ FFV1Context *f = c->priv_data;
int width = sc->slice_width;
int height = sc->slice_height;
int x = sc->slice_x;
@@ -1046,7 +1042,7 @@ static int encode_slice(AVCodecContext *c, void *arg)
sc->slice_coding_mode = 0;
if (f->version > 3) {
- choose_rct_params(fs, sc, planes, p->linesize, width, height);
+ choose_rct_params(f, sc, planes, p->linesize, width, height);
} else {
sc->slice_rct_by_coef = 1;
sc->slice_rct_ry_coef = 1;
@@ -1056,7 +1052,7 @@ retry:
if (f->key_frame)
ff_ffv1_clear_slice_state(f, sc);
if (f->version > 2) {
- encode_slice_header(f, fs, sc);
+ encode_slice_header(f, sc);
}
if (f->ac == AC_GOLOMB_RICE) {
sc->ac_byte_count = f->version > 2 || (!x && !y) ? ff_rac_terminate(&sc->c, f->version > 2) : 0;
@@ -1071,26 +1067,26 @@ retry:
const int cx = x >> f->chroma_h_shift;
const int cy = y >> f->chroma_v_shift;
- ret = encode_plane(f, fs, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 1);
+ ret = encode_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 1);
if (f->chroma_planes) {
- ret |= encode_plane(f, fs, sc, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1, 1);
- ret |= encode_plane(f, fs, sc, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1, 1);
+ ret |= encode_plane(f, sc, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1, 1);
+ ret |= encode_plane(f, sc, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1, 1);
}
if (f->transparency)
- ret |= encode_plane(f, fs, sc, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2, 1);
+ ret |= encode_plane(f, sc, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2, 1);
} else if (c->pix_fmt == AV_PIX_FMT_YA8) {
- ret = encode_plane(f, fs, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 2);
- ret |= encode_plane(f, fs, sc, p->data[0] + 1 + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 2);
+ ret = encode_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 2);
+ ret |= encode_plane(f, sc, p->data[0] + 1 + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 2);
} else if (f->use32bit) {
- ret = encode_rgb_frame32(f, fs, sc, planes, width, height, p->linesize);
+ ret = encode_rgb_frame32(f, sc, planes, width, height, p->linesize);
} else {
- ret = encode_rgb_frame(f, fs, sc, planes, width, height, p->linesize);
+ ret = encode_rgb_frame(f, sc, planes, width, height, p->linesize);
}
if (ret < 0) {
av_assert0(sc->slice_coding_mode == 0);
- if (fs->version < 4 || !f->ac) {
+ if (f->version < 4 || !f->ac) {
av_log(c, AV_LOG_ERROR, "Buffer too small\n");
return ret;
}
@@ -1206,12 +1202,11 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
sc->c.bytestream_end = sc->c.bytestream_start + len;
}
}
- avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL,
- f->slice_count, sizeof(void *));
+ avctx->execute(avctx, encode_slice, f->slices, NULL,
+ f->slice_count, sizeof(*f->slices));
buf_p = pkt->data;
for (i = 0; i < f->slice_count; i++) {
- FFV1Context *fs = f->slice_context[i];
FFV1SliceContext *sc = &f->slices[i];
int bytes;
@@ -1219,7 +1214,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
bytes = ff_rac_terminate(&sc->c, 1);
} else {
flush_put_bits(&sc->pb); // FIXME: nicer padding
- bytes = fs->ac_byte_count + put_bytes_output(&sc->pb);
+ bytes = sc->ac_byte_count + put_bytes_output(&sc->pb);
}
if (i > 0 || f->version > 2) {
av_assert0(bytes < pkt->size / f->slice_count);
diff --git a/libavcodec/ffv1enc_template.c b/libavcodec/ffv1enc_template.c
index c79146d619..0bb0070d37 100644
--- a/libavcodec/ffv1enc_template.c
+++ b/libavcodec/ffv1enc_template.c
@@ -23,8 +23,7 @@
#include "ffv1_template.c"
static av_always_inline int
-RENAME(encode_line)(FFV1Context *f,
- FFV1Context *s, FFV1SliceContext *sc,
+RENAME(encode_line)(FFV1Context *f, FFV1SliceContext *sc,
int w, TYPE *sample[3], int plane_index, int bits)
{
PlaneContext *const p = &sc->plane[plane_index];
@@ -36,12 +35,12 @@ RENAME(encode_line)(FFV1Context *f,
if (f->ac != AC_GOLOMB_RICE) {
if (c->bytestream_end - c->bytestream < w * 35) {
- av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ av_log(f->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return AVERROR_INVALIDDATA;
}
} else {
if (put_bytes_left(&sc->pb, 0) < w * 4) {
- av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ av_log(f->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return AVERROR_INVALIDDATA;
}
}
@@ -73,7 +72,7 @@ RENAME(encode_line)(FFV1Context *f,
diff = fold(diff, bits);
if (f->ac != AC_GOLOMB_RICE) {
- if (s->flags & AV_CODEC_FLAG_PASS1) {
+ if (f->flags & AV_CODEC_FLAG_PASS1) {
put_symbol_inline(c, p->state[context], diff, 1, sc->rc_stat,
sc->rc_stat2[p->quant_table_index][context]);
} else {
@@ -103,7 +102,7 @@ RENAME(encode_line)(FFV1Context *f,
}
}
- ff_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
+ ff_dlog(f->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
run_count, run_index, run_mode, x,
(int)put_bits_count(&sc->pb));
@@ -126,17 +125,16 @@ RENAME(encode_line)(FFV1Context *f,
return 0;
}
-static int RENAME(encode_rgb_frame)(FFV1Context *f,
- FFV1Context *s, FFV1SliceContext *sc,
+static int RENAME(encode_rgb_frame)(FFV1Context *f, FFV1SliceContext *sc,
const uint8_t *src[4],
int w, int h, const int stride[4])
{
int x, y, p, i;
- const int ring_size = s->context_model ? 3 : 2;
+ const int ring_size = f->context_model ? 3 : 2;
TYPE *sample[4][3];
- int lbd = s->bits_per_raw_sample <= 8;
+ int lbd = f->bits_per_raw_sample <= 8;
int packed = !src[1];
- int bits = s->bits_per_raw_sample > 0 ? s->bits_per_raw_sample : 8;
+ int bits = f->bits_per_raw_sample > 0 ? f->bits_per_raw_sample : 8;
int offset = 1 << bits;
int transparency = f->transparency;
int packed_size = (3 + transparency)*2;
@@ -196,9 +194,9 @@ static int RENAME(encode_rgb_frame)(FFV1Context *f,
sample[p][0][-1] = sample[p][1][0 ];
sample[p][1][ w] = sample[p][1][w-1];
if (lbd && sc->slice_coding_mode == 0)
- ret = RENAME(encode_line)(f, s, sc, w, sample[p], (p + 1) / 2, 9);
+ ret = RENAME(encode_line)(f, sc, w, sample[p], (p + 1) / 2, 9);
else
- ret = RENAME(encode_line)(f, s, sc, w, sample[p], (p + 1) / 2, bits + (sc->slice_coding_mode != 1));
+ ret = RENAME(encode_line)(f, sc, w, sample[p], (p + 1) / 2, bits + (sc->slice_coding_mode != 1));
if (ret < 0)
return ret;
}
--
2.43.0
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