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authorMichael Niedermayer <michaelni@gmx.at>2012-12-07 16:29:07 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-12-07 16:29:07 +0100
commit857d7194ca6d07fb9fa70c05826895d6b9c5e983 (patch)
treee8c39b4af492a32e1f3e0cfe71d70c47a7371a31 /libavcodec
parent6777aa638791d9a95efc5f7cddba7103fbb309b1 (diff)
parenta394959bbee9e41ff121488f251f85e8a8fb3384 (diff)
downloadffmpeg-857d7194ca6d07fb9fa70c05826895d6b9c5e983.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: h264: add a pointer for weighted prediction temporary buffer Conflicts: libavcodec/h264.c libavcodec/h264.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/h264.c26
-rw-r--r--libavcodec/h264.h1
2 files changed, 15 insertions, 12 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 41845ca284..2fbdc77e11 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -671,9 +671,9 @@ static av_always_inline void mc_part_weighted(H264Context *h, int n, int square,
if (list0 && list1) {
/* don't optimize for luma-only case, since B-frames usually
* use implicit weights => chroma too. */
- uint8_t *tmp_cb = s->obmc_scratchpad;
- uint8_t *tmp_cr = s->obmc_scratchpad + (16 << pixel_shift);
- uint8_t *tmp_y = s->obmc_scratchpad + 16 * h->mb_uvlinesize;
+ uint8_t *tmp_cb = h->bipred_scratchpad;
+ uint8_t *tmp_cr = h->bipred_scratchpad + (16 << pixel_shift);
+ uint8_t *tmp_y = h->bipred_scratchpad + 16 * h->mb_uvlinesize;
int refn0 = h->ref_cache[0][scan8[n]];
int refn1 = h->ref_cache[1][scan8[n]];
@@ -790,7 +790,7 @@ static void free_tables(H264Context *h, int free_rbsp)
continue;
av_freep(&hx->top_borders[1]);
av_freep(&hx->top_borders[0]);
- av_freep(&hx->s.obmc_scratchpad);
+ av_freep(&hx->bipred_scratchpad);
if (free_rbsp) {
av_freep(&hx->rbsp_buffer[1]);
av_freep(&hx->rbsp_buffer[0]);
@@ -915,8 +915,6 @@ int ff_h264_alloc_tables(H264Context *h)
h->mb2br_xy[mb_xy] = 8 * (FMO ? mb_xy : (mb_xy % (2 * s->mb_stride)));
}
- s->obmc_scratchpad = NULL;
-
if (!h->dequant4_coeff[0])
init_dequant_tables(h);
@@ -944,7 +942,7 @@ static void clone_tables(H264Context *dst, H264Context *src, int i)
dst->mvd_table[1] = src->mvd_table[1] + i * 8 * 2 * s->mb_stride;
dst->direct_table = src->direct_table;
dst->list_counts = src->list_counts;
- dst->s.obmc_scratchpad = NULL;
+ dst->bipred_scratchpad = NULL;
ff_h264_pred_init(&dst->hpc, src->s.codec_id, src->sps.bit_depth_luma,
src->sps.chroma_format_idc);
}
@@ -1214,15 +1212,13 @@ static int decode_update_thread_context(AVCodecContext *dst,
}
context_init(h);
- /* frame_start may not be called for the next thread (if it's decoding
- * a bottom field) so this has to be allocated here */
- h->s.obmc_scratchpad = av_malloc(16 * 6 * s->linesize);
}
for (i = 0; i < 2; i++) {
h->rbsp_buffer[i] = NULL;
h->rbsp_buffer_size[i] = 0;
}
+ h->bipred_scratchpad = NULL;
h->thread_context[0] = h;
@@ -1230,6 +1226,11 @@ static int decode_update_thread_context(AVCodecContext *dst,
s->dsp.clear_blocks(h->mb + (24 * 16 << h->pixel_shift));
}
+ /* frame_start may not be called for the next thread (if it's decoding
+ * a bottom field) so this has to be allocated here */
+ if (!h->bipred_scratchpad)
+ h->bipred_scratchpad = av_malloc(16 * 6 * s->linesize);
+
// extradata/NAL handling
h->is_avc = h1->is_avc;
@@ -1321,8 +1322,8 @@ int ff_h264_frame_start(H264Context *h)
/* can't be in alloc_tables because linesize isn't known there.
* FIXME: redo bipred weight to not require extra buffer? */
for (i = 0; i < s->slice_context_count; i++)
- if (h->thread_context[i] && !h->thread_context[i]->s.obmc_scratchpad)
- h->thread_context[i]->s.obmc_scratchpad = av_malloc(16 * 6 * s->linesize);
+ if (h->thread_context[i] && !h->thread_context[i]->bipred_scratchpad)
+ h->thread_context[i]->bipred_scratchpad = av_malloc(16 * 6 * s->linesize);
/* Some macroblocks can be accessed before they're available in case
* of lost slices, MBAFF or threading. */
@@ -2642,6 +2643,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
"Could not allocate memory for h264\n");
return AVERROR(ENOMEM);
}
+ h->bipred_scratchpad = NULL;
if (!HAVE_THREADS || !(s->avctx->active_thread_type & FF_THREAD_SLICE)) {
if (context_init(h) < 0) {
diff --git a/libavcodec/h264.h b/libavcodec/h264.h
index 00a1fc3c5d..4e44fba163 100644
--- a/libavcodec/h264.h
+++ b/libavcodec/h264.h
@@ -595,6 +595,7 @@ typedef struct H264Context {
int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs
int cur_chroma_format_idc;
+ uint8_t *bipred_scratchpad;
int16_t slice_row[MAX_SLICES]; ///< to detect when MAX_SLICES is too low