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Code Issues Releases Activity

avcodec/mpegvideo: Move vbv_delay to Mpeg1Context

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Only used there and only by the main thread.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2022-01-29 06:50:51 +01:00
parent 6e225123d8
commit c709a3d424
2 changed files with 3 additions and 3 deletions
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5
libavcodec/mpeg12dec.c
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@ -90,6 +90,7 @@ typedef struct Mpeg1Context {
int tmpgexs;
int first_slice;
int extradata_decoded;
int vbv_delay;
int64_t timecode_frame_start; /*< GOP timecode frame start number, in non drop frame format */
} Mpeg1Context;
@ -953,7 +954,7 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
(s->bit_rate != 0x3FFFF*400)) {
avctx->rc_max_rate = s->bit_rate;
} else if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && s->bit_rate &&
(s->bit_rate != 0x3FFFF*400 || s->vbv_delay != 0xFFFF)) {
(s->bit_rate != 0x3FFFF*400 || s1->vbv_delay != 0xFFFF)) {
avctx->bit_rate = s->bit_rate;
}
s1->save_aspect = s->avctx->sample_aspect_ratio;
@ -1024,7 +1025,7 @@ static int mpeg1_decode_picture(AVCodecContext *avctx, const uint8_t *buf,
return AVERROR_INVALIDDATA;
vbv_delay = get_bits(&s->gb, 16);
s->vbv_delay = vbv_delay;
s1->vbv_delay = vbv_delay;
if (s->pict_type == AV_PICTURE_TYPE_P ||
s->pict_type == AV_PICTURE_TYPE_B) {
s->full_pel[0] = get_bits1(&s->gb);

1
libavcodec/mpegvideo.h
View File

@ -204,7 +204,6 @@ typedef struct MpegEncContext {
int adaptive_quant; ///< use adaptive quantization
int dquant; ///< qscale difference to prev qscale
int pict_type; ///< AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
int vbv_delay;
int last_pict_type; //FIXME removes
int last_non_b_pict_type; ///< used for MPEG-4 gmc B-frames & ratecontrol
int droppable;