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h264: move mb_skip_run into the per-slice context

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This commit is contained in:
Anton Khirnov 2015-01-17 22:28:46 +01:00
parent 9951907f6f
commit 47a0d39350
4 changed files with 10 additions and 9 deletions
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3
libavcodec/h264.h
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@ -356,6 +356,8 @@ typedef struct H264SliceContext {
ptrdiff_t mb_linesize; ///< may be equal to s->linesize or s->linesize * 2, for mbaff
ptrdiff_t mb_uvlinesize;
int mb_skip_run;
int redundant_pic_count;
/**
@ -525,7 +527,6 @@ typedef struct H264Context {
int mb_x, mb_y;
int resync_mb_x;
int resync_mb_y;
int mb_skip_run;
int mb_height, mb_width;
int mb_stride;
int mb_num;

8
libavcodec/h264_cavlc.c
View File

@ -709,12 +709,12 @@ int ff_h264_decode_mb_cavlc(H264Context *h, H264SliceContext *sl)
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
down the code */
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
if(h->mb_skip_run==-1)
h->mb_skip_run= get_ue_golomb(&h->gb);
if (sl->mb_skip_run == -1)
sl->mb_skip_run = get_ue_golomb(&h->gb);
if (h->mb_skip_run--) {
if (sl->mb_skip_run--) {
if(FRAME_MBAFF(h) && (h->mb_y&1) == 0){
if(h->mb_skip_run==0)
if (sl->mb_skip_run == 0)
h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&h->gb);
}
decode_mb_skip(h, sl);

4
libavcodec/h264_slice.c
View File

@ -2183,7 +2183,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
H264Context *h = sl->h264;
int lf_x_start = h->mb_x;
h->mb_skip_run = -1;
sl->mb_skip_run = -1;
h->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
avctx->codec_id != AV_CODEC_ID_H264 ||
@ -2314,7 +2314,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
}
}
if (get_bits_left(&h->gb) <= 0 && h->mb_skip_run <= 0) {
if (get_bits_left(&h->gb) <= 0 && sl->mb_skip_run <= 0) {
tprintf(h->avctx, "slice end %d %d\n",
get_bits_count(&h->gb), h->gb.size_in_bits);

4
libavcodec/svq3.c
View File

@ -821,11 +821,11 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
if ((header & 0x9F) == 2) {
i = (h->mb_num < 64) ? 6 : (1 + av_log2(h->mb_num - 1));
h->mb_skip_run = get_bits(&h->gb, i) -
sl->mb_skip_run = get_bits(&h->gb, i) -
(h->mb_y * h->mb_width + h->mb_x);
} else {
skip_bits1(&h->gb);
h->mb_skip_run = 0;
sl->mb_skip_run = 0;
}
sl->slice_num = get_bits(&h->gb, 8);