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authorGwenole Beauchesne <gbeauchesne@splitted-desktop.com>2009-02-27 08:27:50 +0000
committerBenoit Fouet <benoit.fouet@free.fr>2009-02-27 08:27:50 +0000
commit1468d503a957ad20bf458dc7e07f184399cd672d (patch)
treed12d1ab6d427b2338228936d668e5096e95ec488
parent6aca2c67858e4cc926ed70165ace763ff7d0a178 (diff)
Add HW acceleration hooks for MPEG-4 / H.263 decoding.
Patch by Gwenole Beauchesne. Originally committed as revision 17637 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/h263dec.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index bb42d495fa..9a7b84a78b 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -161,8 +161,12 @@ static int decode_slice(MpegEncContext *s){
ff_set_qscale(s, s->qscale);
- if (s->avctx->hwaccel)
- return 0;
+ if (s->avctx->hwaccel) {
+ const uint8_t *start= s->gb.buffer + get_bits_count(&s->gb)/8;
+ const uint8_t *end = ff_h263_find_resync_marker(start + 1, s->gb.buffer_end);
+ skip_bits_long(&s->gb, 8*(end - start));
+ return s->avctx->hwaccel->decode_slice(s->avctx, start, end - start);
+ }
if(s->partitioned_frame){
const int qscale= s->qscale;
@@ -617,6 +621,11 @@ retry:
if(MPV_frame_start(s, avctx) < 0)
return -1;
+ if (avctx->hwaccel) {
+ if (avctx->hwaccel->start_frame(avctx, buf, buf_size) < 0)
+ return -1;
+ }
+
#ifdef DEBUG
av_log(avctx, AV_LOG_DEBUG, "qscale=%d\n", s->qscale);
#endif