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Code Issues Releases Activity

avcodec/mpegvideo: Remove h263_plus

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It is only used to indicate to ff_h263_show_pict_info()
that we are decoding H.263+; pass this information
via a function parameter instead.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-05-21 02:21:45 +02:00
parent da5c2a419b
commit ac1e6d2171
5 changed files with 10 additions and 11 deletions
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2
libavcodec/flvdec.c
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@ -89,8 +89,6 @@ int ff_flv_decode_picture_header(MpegEncContext *s)
skip_bits1(&s->gb); /* deblocking flag */
s->chroma_qscale = s->qscale = get_bits(&s->gb, 5);
s->h263_plus = 0;
s->h263_long_vectors = 0;
/* PEI */

2
libavcodec/h263dec.h
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@ -55,7 +55,7 @@ int ff_h263_decode_mba(MpegEncContext *s);
/**
* Print picture info if FF_DEBUG_PICT_INFO is set.
*/
void ff_h263_show_pict_info(MpegEncContext *s);
void ff_h263_show_pict_info(MpegEncContext *s, int h263_plus);
int ff_intel_h263_decode_picture_header(MpegEncContext *s);
int ff_h263_decode_mb(MpegEncContext *s,

3
libavcodec/intelh263dec.c
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@ -57,7 +57,6 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
av_log(s->avctx, AV_LOG_ERROR, "Intel H.263 free format not supported\n");
return -1;
}
s->h263_plus = 0;
s->pict_type = AV_PICTURE_TYPE_I + get_bits1(&s->gb);
@ -122,7 +121,7 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
s->gob_index = H263_GOB_HEIGHT(s->height);
ff_h263_show_pict_info(s);
ff_h263_show_pict_info(s, 0);
return 0;
}

13
libavcodec/ituh263dec.c
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@ -77,7 +77,8 @@ static const int16_t h263_mb_type_b_map[15]= {
MB_TYPE_INTRA4x4 | MB_TYPE_CBP | MB_TYPE_QUANT,
};
void ff_h263_show_pict_info(MpegEncContext *s){
void ff_h263_show_pict_info(MpegEncContext *s, int h263_plus)
{
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n",
s->qscale, av_get_picture_type_char(s->pict_type),
@ -85,7 +86,7 @@ void ff_h263_show_pict_info(MpegEncContext *s){
s->obmc ? " AP" : "",
s->umvplus ? " UMV" : "",
s->h263_long_vectors ? " LONG" : "",
s->h263_plus ? " +" : "",
h263_plus ? " +" : "",
s->h263_aic ? " AIC" : "",
s->alt_inter_vlc ? " AIV" : "",
s->modified_quant ? " MQ" : "",
@ -1089,6 +1090,7 @@ int ff_h263_decode_picture_header(MpegEncContext *s)
{
int format, width, height, i, ret;
uint32_t startcode;
int h263_plus;
align_get_bits(&s->gb);
@ -1137,7 +1139,7 @@ int ff_h263_decode_picture_header(MpegEncContext *s)
*/
if (format != 7 && format != 6) {
s->h263_plus = 0;
h263_plus = 0;
/* H.263v1 */
width = ff_h263_format[format][0];
height = ff_h263_format[format][1];
@ -1166,7 +1168,7 @@ int ff_h263_decode_picture_header(MpegEncContext *s)
int ufep;
/* H.263v2 */
s->h263_plus = 1;
h263_plus = 1;
ufep = get_bits(&s->gb, 3); /* Update Full Extended PTYPE */
/* ufep other than 0 and 1 are reserved */
@ -1366,7 +1368,8 @@ int ff_h263_decode_picture_header(MpegEncContext *s)
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
}
ff_h263_show_pict_info(s);
ff_h263_show_pict_info(s, h263_plus);
if (s->pict_type == AV_PICTURE_TYPE_I && s->codec_tag == AV_RL32("ZYGO") && get_bits_left(&s->gb) >= 85 + 13*3*16 + 50){
int i,j;
for(i=0; i<85; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));

1
libavcodec/mpegvideo.h
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@ -90,7 +90,6 @@ typedef struct MpegEncContext {
int pb_frame; ///< PB-frame mode (0 = none, 1 = base, 2 = improved)
/* the following codec id fields are deprecated in favor of codec_id */
int h263_plus; ///< H.263+ headers
int h263_flv; ///< use flv H.263 header
enum AVCodecID codec_id; /* see AV_CODEC_ID_xxx */