[FFmpeg-cvslog] vc1: K&R formatting cosmetics

Kostya Shishkov git at videolan.org
Thu Oct 13 06:01:48 CEST 2011


ffmpeg | branch: master | Kostya Shishkov <kostya.shishkov at gmail.com> | Tue Oct 11 12:00:18 2011 +0200| [b18c68ad255228e1f4712f10228408380aceafe0] | committer: Diego Biurrun

vc1: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego at biurrun.de>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b18c68ad255228e1f4712f10228408380aceafe0
---

 libavcodec/vc1.h |  114 +++++++++++++++++++++++++++--------------------------
 1 files changed, 58 insertions(+), 56 deletions(-)

diff --git a/libavcodec/vc1.h b/libavcodec/vc1.h
index 462252b..ac65348 100644
--- a/libavcodec/vc1.h
+++ b/libavcodec/vc1.h
@@ -30,7 +30,7 @@
 
 /** Markers used in VC-1 AP frame data */
 //@{
-enum VC1Code{
+enum VC1Code {
     VC1_CODE_RES0       = 0x00000100,
     VC1_CODE_ENDOFSEQ   = 0x0000010A,
     VC1_CODE_SLICE,
@@ -133,10 +133,10 @@ enum TransformTypes {
     TT_8X8,
     TT_8X4_BOTTOM,
     TT_8X4_TOP,
-    TT_8X4, //Both halves
+    TT_8X4,         // both halves
     TT_4X8_RIGHT,
     TT_4X8_LEFT,
-    TT_4X8, //Both halves
+    TT_4X8,         // both halves
     TT_4X4
 };
 //@}
@@ -224,16 +224,16 @@ typedef struct VC1Context{
 
     /** Frame decoding info for all profiles */
     //@{
-    uint8_t mv_mode;      ///< MV coding monde
-    uint8_t mv_mode2;     ///< Secondary MV coding mode (B frames)
-    int k_x;              ///< Number of bits for MVs (depends on MV range)
-    int k_y;              ///< Number of bits for MVs (depends on MV range)
-    int range_x, range_y; ///< MV range
-    uint8_t pq, altpq;    ///< Current/alternate frame quantizer scale
-    uint8_t zz_8x8[4][64];///< Zigzag table for TT_8x8, permuted for IDCT
+    uint8_t mv_mode;             ///< MV coding monde
+    uint8_t mv_mode2;            ///< Secondary MV coding mode (B frames)
+    int k_x;                     ///< Number of bits for MVs (depends on MV range)
+    int k_y;                     ///< Number of bits for MVs (depends on MV range)
+    int range_x, range_y;        ///< MV range
+    uint8_t pq, altpq;           ///< Current/alternate frame quantizer scale
+    uint8_t zz_8x8[4][64];       ///< Zigzag table for TT_8x8, permuted for IDCT
     int left_blk_sh, top_blk_sh; ///< Either 3 or 0, positions of l/t in blk[]
-    const uint8_t* zz_8x4;///< Zigzag scan table for TT_8x4 coding mode
-    const uint8_t* zz_4x8;///< Zigzag scan table for TT_4x8 coding mode
+    const uint8_t* zz_8x4;       ///< Zigzag scan table for TT_8x4 coding mode
+    const uint8_t* zz_4x8;       ///< Zigzag scan table for TT_4x8 coding mode
     /** pquant parameters */
     //@{
     uint8_t dquantfrm;
@@ -245,15 +245,15 @@ typedef struct VC1Context{
      * @see 8.1.1.10, p(1)10
      */
     //@{
-    int c_ac_table_index; ///< Chroma index from ACFRM element
-    int y_ac_table_index; ///< Luma index from AC2FRM element
+    int c_ac_table_index;    ///< Chroma index from ACFRM element
+    int y_ac_table_index;    ///< Luma index from AC2FRM element
     //@}
-    int ttfrm;            ///< Transform type info present at frame level
-    uint8_t ttmbf;        ///< Transform type flag
+    int ttfrm;               ///< Transform type info present at frame level
+    uint8_t ttmbf;           ///< Transform type flag
     int *ttblk_base, *ttblk; ///< Transform type at the block level
-    int codingset;        ///< index of current table set from 11.8 to use for luma block decoding
-    int codingset2;       ///< index of current table set from 11.8 to use for chroma block decoding
-    int pqindex;          ///< raw pqindex used in coding set selection
+    int codingset;           ///< index of current table set from 11.8 to use for luma block decoding
+    int codingset2;          ///< index of current table set from 11.8 to use for chroma block decoding
+    int pqindex;             ///< raw pqindex used in coding set selection
     int a_avail, c_avail;
     uint8_t *mb_type_base, *mb_type[3];
 
@@ -273,24 +273,24 @@ typedef struct VC1Context{
      * -# 2 -> [-512, 511.f] x [-128, 127.f]
      * -# 3 -> [-1024, 1023.f] x [-256, 255.f]
      */
-    uint8_t mvrange;              ///< Extended MV range flag
-    uint8_t pquantizer;           ///< Uniform (over sequence) quantizer in use
-    VLC *cbpcy_vlc;               ///< CBPCY VLC table
-    int tt_index;                 ///< Index for Transform Type tables (to decode TTMB)
-    uint8_t* mv_type_mb_plane;    ///< bitplane for mv_type == (4MV)
-    uint8_t* direct_mb_plane;     ///< bitplane for "direct" MBs
-    uint8_t* forward_mb_plane;    ///< bitplane for "forward" MBs
-    int mv_type_is_raw;           ///< mv type mb plane is not coded
-    int dmb_is_raw;               ///< direct mb plane is raw
-    int fmb_is_raw;               ///< forward mb plane is raw
-    int skip_is_raw;              ///< skip mb plane is not coded
-    uint8_t luty[256], lutuv[256];///< lookup tables used for intensity compensation
-    int use_ic;                   ///< use intensity compensation in B-frames
-    int rnd;                      ///< rounding control
+    uint8_t mvrange;                ///< Extended MV range flag
+    uint8_t pquantizer;             ///< Uniform (over sequence) quantizer in use
+    VLC *cbpcy_vlc;                 ///< CBPCY VLC table
+    int tt_index;                   ///< Index for Transform Type tables (to decode TTMB)
+    uint8_t* mv_type_mb_plane;      ///< bitplane for mv_type == (4MV)
+    uint8_t* direct_mb_plane;       ///< bitplane for "direct" MBs
+    uint8_t* forward_mb_plane;      ///< bitplane for "forward" MBs
+    int mv_type_is_raw;             ///< mv type mb plane is not coded
+    int dmb_is_raw;                 ///< direct mb plane is raw
+    int fmb_is_raw;                 ///< forward mb plane is raw
+    int skip_is_raw;                ///< skip mb plane is not coded
+    uint8_t luty[256], lutuv[256];  ///< lookup tables used for intensity compensation
+    int use_ic;                     ///< use intensity compensation in B-frames
+    int rnd;                        ///< rounding control
 
     /** Frame decoding info for S/M profiles only */
     //@{
-    uint8_t rangeredfrm; ///< out_sample = CLIP((in_sample-128)*2+128)
+    uint8_t rangeredfrm;            ///< out_sample = CLIP((in_sample-128)*2+128)
     uint8_t interpfrm;
     //@}
 
@@ -342,22 +342,22 @@ typedef struct VC1Context{
     uint8_t *mv_f_base, *mv_f[2];               ///< 0: MV obtained from same field, 1: opposite field
     uint8_t *mv_f_last_base, *mv_f_last[2];
     uint8_t *mv_f_next_base, *mv_f_next[2];
-    int field_mode;     ///< 1 for interlaced field pictures
+    int field_mode;         ///< 1 for interlaced field pictures
     int fptype;
     int second_field;
-    int refdist;        ///< distance of the current picture from reference
-    int numref;         ///< number of past field pictures used as reference
-                        // 0 corresponds to 1 and 1 corresponds to 2 references
-    int reffield;       ///< if numref = 0 (1 reference) then reffield decides which
-                        // field to use among the two fields from previous frame
-    int intcompfield;   ///< which of the two fields to be intensity compensated
-                        // 0: both fields, 1: bottom field, 2: top field
+    int refdist;            ///< distance of the current picture from reference
+    int numref;             ///< number of past field pictures used as reference
+                            // 0 corresponds to 1 and 1 corresponds to 2 references
+    int reffield;           ///< if numref = 0 (1 reference) then reffield decides which
+                            // field to use among the two fields from previous frame
+    int intcompfield;       ///< which of the two fields to be intensity compensated
+                            // 0: both fields, 1: bottom field, 2: top field
     int cur_field_type;     ///< 0: top, 1: bottom
     int ref_field_type[2];  ///< forward and backward reference field type (top or bottom)
     int blocks_off, mb_off;
-    int qs_last;        ///< if qpel has been used in the previous (tr.) picture
+    int qs_last;            ///< if qpel has been used in the previous (tr.) picture
     int bmvtype;
-    int frfd, brfd;     ///< reference frame distance (forward or backward)
+    int frfd, brfd;         ///< reference frame distance (forward or backward)
     int pic_header_flag;
 
     /** Frame decoding info for sprite modes */
@@ -378,11 +378,11 @@ typedef struct VC1Context{
     uint32_t *cbp_base, *cbp;
     uint8_t *is_intra_base, *is_intra;
     int16_t (*luma_mv_base)[2], (*luma_mv)[2];
-    uint8_t bfraction_lut_index;///< Index for BFRACTION value (see Table 40, reproduced into ff_vc1_bfraction_lut[])
-    uint8_t broken_link;        ///< Broken link flag (BROKEN_LINK syntax element)
-    uint8_t closed_entry;       ///< Closed entry point flag (CLOSED_ENTRY syntax element)
+    uint8_t bfraction_lut_index; ///< Index for BFRACTION value (see Table 40, reproduced into ff_vc1_bfraction_lut[])
+    uint8_t broken_link;         ///< Broken link flag (BROKEN_LINK syntax element)
+    uint8_t closed_entry;        ///< Closed entry point flag (CLOSED_ENTRY syntax element)
 
-    int parse_only;             ///< Context is used within parser
+    int parse_only;              ///< Context is used within parser
 
     int warn_interlaced;
 } VC1Context;
@@ -394,11 +394,12 @@ static av_always_inline const uint8_t* find_next_marker(const uint8_t *src, cons
 {
     uint32_t mrk = 0xFFFFFFFF;
 
-    if(end-src < 4) return end;
-    while(src < end){
+    if (end-src < 4)
+        return end;
+    while (src < end) {
         mrk = (mrk << 8) | *src++;
-        if(IS_MARKER(mrk))
-            return src-4;
+        if (IS_MARKER(mrk))
+            return src - 4;
     }
     return end;
 }
@@ -407,12 +408,13 @@ static av_always_inline int vc1_unescape_buffer(const uint8_t *src, int size, ui
 {
     int dsize = 0, i;
 
-    if(size < 4){
-        for(dsize = 0; dsize < size; dsize++) *dst++ = *src++;
+    if (size < 4) {
+        for (dsize = 0; dsize < size; dsize++)
+            *dst++ = *src++;
         return size;
     }
-    for(i = 0; i < size; i++, src++) {
-        if(src[0] == 3 && i >= 2 && !src[-1] && !src[-2] && i < size-1 && src[1] < 4) {
+    for (i = 0; i < size; i++, src++) {
+        if (src[0] == 3 && i >= 2 && !src[-1] && !src[-2] && i < size-1 && src[1] < 4) {
             dst[dsize++] = src[1];
             src++;
             i++;



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