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h264: drop the now unused per-slice H264Contexts

This commit is contained in:
Anton Khirnov 2015-01-28 19:28:18 +01:00
parent 51d8725a6e
commit 5bf3c0fa49
4 changed files with 9 additions and 78 deletions
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11
libavcodec/h264.c
View File

@ -344,7 +344,6 @@ static int decode_rbsp_trailing(H264Context *h, const uint8_t *src)
void ff_h264_free_tables(H264Context *h, int free_rbsp)
{
int i;
H264Context *hx;
av_freep(&h->intra4x4_pred_mode);
av_freep(&h->chroma_pred_mode_table);
@ -376,15 +375,6 @@ void ff_h264_free_tables(H264Context *h, int free_rbsp)
h->cur_pic_ptr = NULL;
for (i = 0; i < H264_MAX_THREADS; i++) {
hx = h->thread_context[i];
if (!hx)
continue;
if (i)
av_freep(&h->thread_context[i]);
}
for (i = 0; i < h->nb_slice_ctx; i++) {
H264SliceContext *sl = &h->slice_ctx[i];
@ -653,7 +643,6 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
return AVERROR(ENOMEM);
}
h->thread_context[0] = h;
for (i = 0; i < h->nb_slice_ctx; i++)
h->slice_ctx[i].h264 = h;

2
libavcodec/h264.h
View File

@ -608,8 +608,6 @@ typedef struct H264Context {
* @name Members for slice based multithreading
* @{
*/
struct H264Context *thread_context[H264_MAX_THREADS];
/**
* current slice number, used to initalize slice_num of each thread/context
*/

1
libavcodec/h264_parser.c
View File

@ -552,7 +552,6 @@ static av_cold int init(AVCodecParserContext *s)
return 0;
h->nb_slice_ctx = 1;
h->thread_context[0] = h;
h->slice_context_count = 1;
ff_h264dsp_init(&h->h264dsp, 8, 1);
return 0;

73
libavcodec/h264_slice.c
View File

@ -371,31 +371,6 @@ void h264_init_dequant_tables(H264Context *h)
}
}
/**
* Mimic alloc_tables(), but for every context thread.
*/
static void clone_tables(H264Context *dst, H264SliceContext *sl,
H264Context *src, int i)
{
sl->intra4x4_pred_mode = src->intra4x4_pred_mode + i * 8 * 2 * src->mb_stride;
sl->mvd_table[0] = src->mvd_table[0] + i * 8 * 2 * src->mb_stride;
sl->mvd_table[1] = src->mvd_table[1] + i * 8 * 2 * src->mb_stride;
dst->non_zero_count = src->non_zero_count;
dst->slice_table = src->slice_table;
dst->cbp_table = src->cbp_table;
dst->mb2b_xy = src->mb2b_xy;
dst->mb2br_xy = src->mb2br_xy;
dst->chroma_pred_mode_table = src->chroma_pred_mode_table;
dst->direct_table = src->direct_table;
dst->list_counts = src->list_counts;
dst->DPB = src->DPB;
dst->cur_pic_ptr = src->cur_pic_ptr;
dst->cur_pic = src->cur_pic;
ff_h264_pred_init(&dst->hpc, src->avctx->codec_id, src->sps.bit_depth_luma,
src->sps.chroma_format_idc);
}
#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size))))
#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
@ -535,8 +510,6 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
return ret;
}
h->thread_context[0] = h;
h->context_initialized = 1;
}
@ -602,7 +575,7 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
copy_fields(h, h1, poc_lsb, default_ref_list);
// reference lists
copy_fields(h, h1, short_ref, thread_context);
copy_fields(h, h1, short_ref, current_slice);
copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1);
copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1);
@ -1073,47 +1046,19 @@ static int h264_slice_header_init(H264Context *h, int reinit)
return ret;
}
} else {
for (i = 1; i < h->slice_context_count; i++) {
H264Context *c;
c = h->thread_context[i] = av_mallocz(sizeof(H264Context));
if (!c)
return AVERROR(ENOMEM);
c->avctx = h->avctx;
c->vdsp = h->vdsp;
c->h264dsp = h->h264dsp;
c->h264qpel = h->h264qpel;
c->h264chroma = h->h264chroma;
c->sps = h->sps;
c->pps = h->pps;
c->pixel_shift = h->pixel_shift;
c->width = h->width;
c->height = h->height;
c->linesize = h->linesize;
c->uvlinesize = h->uvlinesize;
c->chroma_x_shift = h->chroma_x_shift;
c->chroma_y_shift = h->chroma_y_shift;
c->droppable = h->droppable;
c->low_delay = h->low_delay;
c->mb_width = h->mb_width;
c->mb_height = h->mb_height;
c->mb_stride = h->mb_stride;
c->mb_num = h->mb_num;
c->flags = h->flags;
c->workaround_bugs = h->workaround_bugs;
c->pict_type = h->pict_type;
for (i = 0; i < h->slice_context_count; i++) {
H264SliceContext *sl = &h->slice_ctx[i];
h->slice_ctx[i].h264 = c;
sl->h264 = h;
sl->intra4x4_pred_mode = h->intra4x4_pred_mode + i * 8 * 2 * h->mb_stride;
sl->mvd_table[0] = h->mvd_table[0] + i * 8 * 2 * h->mb_stride;
sl->mvd_table[1] = h->mvd_table[1] + i * 8 * 2 * h->mb_stride;
init_scan_tables(c);
clone_tables(c, &h->slice_ctx[i], h, i);
c->context_initialized = 1;
}
for (i = 0; i < h->slice_context_count; i++)
if ((ret = ff_h264_slice_context_init(h, &h->slice_ctx[i])) < 0) {
if ((ret = ff_h264_slice_context_init(h, sl)) < 0) {
av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
return ret;
}
}
}
h->context_initialized = 1;