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Code Issues Releases Activity

h264: move top_borders into the per-slice context

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Also change the method for allocating to the same one as used by
edge_emu_buffer.
This commit is contained in:
Anton Khirnov 2015-01-17 22:28:46 +01:00
parent 36d04801ba
commit c377e04d8a
4 changed files with 26 additions and 16 deletions
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11
libavcodec/h264.c
View File

@ -379,8 +379,6 @@ void ff_h264_free_tables(H264Context *h, int free_rbsp)
hx = h->thread_context[i];
if (!hx)
continue;
av_freep(&hx->top_borders[1]);
av_freep(&hx->top_borders[0]);
av_freep(&hx->dc_val_base);
av_freep(&hx->er.mb_index2xy);
av_freep(&hx->er.error_status_table);
@ -401,9 +399,13 @@ void ff_h264_free_tables(H264Context *h, int free_rbsp)
av_freep(&sl->bipred_scratchpad);
av_freep(&sl->edge_emu_buffer);
av_freep(&sl->top_borders[0]);
av_freep(&sl->top_borders[1]);
sl->bipred_scratchpad_allocated = 0;
sl->edge_emu_buffer_allocated = 0;
sl->top_borders_allocated[0] = 0;
sl->top_borders_allocated[1] = 0;
}
}
@ -486,11 +488,6 @@ int ff_h264_context_init(H264Context *h)
int yc_size = y_size + 2 * c_size;
int x, y, i;
FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[0],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail)
FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[1],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail)
for (i = 0; i < h->nb_slice_ctx; i++) {
h->slice_ctx[i].ref_cache[0][scan8[5] + 1] =
h->slice_ctx[i].ref_cache[0][scan8[7] + 1] =

3
libavcodec/h264.h
View File

@ -401,8 +401,10 @@ typedef struct H264SliceContext {
uint8_t *bipred_scratchpad;
uint8_t *edge_emu_buffer;
uint8_t (*top_borders[2])[(16 * 3) * 2];
int bipred_scratchpad_allocated;
int edge_emu_buffer_allocated;
int top_borders_allocated[2];
/**
* non zero coeff count cache.
@ -473,7 +475,6 @@ typedef struct H264Context {
int8_t(*intra4x4_pred_mode);
H264PredContext hpc;
uint8_t (*top_borders[2])[(16 * 3) * 2];
uint8_t (*non_zero_count)[48];

10
libavcodec/h264_mb.c
View File

@ -535,8 +535,8 @@ static av_always_inline void xchg_mb_border(const H264Context *h, H264SliceConte
src_cb -= uvlinesize + 1 + pixel_shift;
src_cr -= uvlinesize + 1 + pixel_shift;
top_border_m1 = h->top_borders[top_idx][sl->mb_x - 1];
top_border = h->top_borders[top_idx][sl->mb_x];
top_border_m1 = sl->top_borders[top_idx][sl->mb_x - 1];
top_border = sl->top_borders[top_idx][sl->mb_x];
#define XCHG(a, b, xchg) \
if (pixel_shift) { \
@ -559,7 +559,7 @@ static av_always_inline void xchg_mb_border(const H264Context *h, H264SliceConte
XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg);
XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1);
if (sl->mb_x + 1 < h->mb_width) {
XCHG(h->top_borders[top_idx][sl->mb_x + 1],
XCHG(sl->top_borders[top_idx][sl->mb_x + 1],
src_y + (17 << pixel_shift), 1);
}
}
@ -575,8 +575,8 @@ static av_always_inline void xchg_mb_border(const H264Context *h, H264SliceConte
XCHG(top_border + (32 << pixel_shift), src_cr + (1 << pixel_shift), xchg);
XCHG(top_border + (40 << pixel_shift), src_cr + (9 << pixel_shift), 1);
if (sl->mb_x + 1 < h->mb_width) {
XCHG(h->top_borders[top_idx][sl->mb_x + 1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1);
XCHG(h->top_borders[top_idx][sl->mb_x + 1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1);
XCHG(sl->top_borders[top_idx][sl->mb_x + 1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1);
XCHG(sl->top_borders[top_idx][sl->mb_x + 1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1);
}
}
} else {

18
libavcodec/h264_slice.c
View File

@ -159,6 +159,7 @@ static void release_unused_pictures(H264Context *h, int remove_current)
static int alloc_scratch_buffers(H264SliceContext *sl, int linesize)
{
const H264Context *h = sl->h264;
int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
av_fast_malloc(&sl->bipred_scratchpad, &sl->bipred_scratchpad_allocated, 16 * 6 * alloc_size);
@ -166,11 +167,22 @@ static int alloc_scratch_buffers(H264SliceContext *sl, int linesize)
// (= 21x21 for h264)
av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21);
if (!sl->bipred_scratchpad || !sl->edge_emu_buffer) {
av_fast_malloc(&sl->top_borders[0], &sl->top_borders_allocated[0],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
av_fast_malloc(&sl->top_borders[1], &sl->top_borders_allocated[1],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
if (!sl->bipred_scratchpad || !sl->edge_emu_buffer ||
!sl->top_borders[0] || !sl->top_borders[1]) {
av_freep(&sl->bipred_scratchpad);
av_freep(&sl->edge_emu_buffer);
av_freep(&sl->top_borders[0]);
av_freep(&sl->top_borders[1]);
sl->bipred_scratchpad_allocated = 0;
sl->edge_emu_buffer_allocated = 0;
sl->top_borders_allocated[0] = 0;
sl->top_borders_allocated[1] = 0;
return AVERROR(ENOMEM);
}
@ -714,7 +726,7 @@ static av_always_inline void backup_mb_border(H264Context *h, H264SliceContext *
if (!simple && FRAME_MBAFF(h)) {
if (sl->mb_y & 1) {
if (!MB_MBAFF(sl)) {
top_border = h->top_borders[0][sl->mb_x];
top_border = sl->top_borders[0][sl->mb_x];
AV_COPY128(top_border, src_y + 15 * linesize);
if (pixel_shift)
AV_COPY128(top_border + 16, src_y + 15 * linesize + 16);
@ -754,7 +766,7 @@ static av_always_inline void backup_mb_border(H264Context *h, H264SliceContext *
return;
}
top_border = h->top_borders[top_idx][sl->mb_x];
top_border = sl->top_borders[top_idx][sl->mb_x];
/* There are two lines saved, the line above the top macroblock
* of a pair, and the line above the bottom macroblock. */
AV_COPY128(top_border, src_y + 16 * linesize);