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h264: eliminate max_contexts

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It is always equal to nb_slice_ctx.
This commit is contained in:
Anton Khirnov 2016-04-13 17:33:59 +02:00
parent e3c9041cfe
commit 2e5bde9565
3 changed files with 2 additions and 11 deletions
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3
libavcodec/h264.c
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@ -808,7 +808,6 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size)
int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts
int i, ret = 0;
h->max_contexts = h->nb_slice_ctx;
if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)) {
h->current_slice = 0;
if (!h->first_field)
@ -935,7 +934,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size)
nal->type, nal->size_bits);
}
if (context_count == h->max_contexts) {
if (context_count == h->nb_slice_ctx) {
ret = ff_h264_execute_decode_slices(h, context_count);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
goto end;

8
libavcodec/h264.h
View File

@ -584,14 +584,6 @@ typedef struct H264Context {
*/
int current_slice;
/**
* Max number of threads / contexts.
* This is equal to AVCodecContext.thread_count unless
* multithreaded decoding is impossible, in which case it is
* reduced to 1.
*/
int max_contexts;
/** @} */
/**

2
libavcodec/h264_slice.c
View File

@ -1462,7 +1462,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
h->nal_ref_idc == 0))
sl->deblocking_filter = 0;
if (sl->deblocking_filter == 1 && h->max_contexts > 1) {
if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) {
if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
/* Cheat slightly for speed:
* Do not bother to deblock across slices. */