[FFmpeg-cvslog] vp8: force reallocation in update_thread_context after frame size change
Ronald S. Bultje
git at videolan.org
Fri Nov 4 13:22:21 CET 2011
ffmpeg | branch: release/0.8 | Ronald S. Bultje <rsbultje at gmail.com> | Fri Oct 14 23:27:52 2011 +0200| [5f5f36b52e21d9aed347aef73aefe473e7d31409] | committer: Michael Niedermayer
vp8: force reallocation in update_thread_context after frame size change
Signed-off-by: Janne Grunau <janne-libav at jannau.net>
(cherry picked from commit 56535793810584f5b3ae59e62cea66fe22d0307d)
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5f5f36b52e21d9aed347aef73aefe473e7d31409
---
libavcodec/vp8.c | 28 +++++++++++++++++++---------
1 files changed, 19 insertions(+), 9 deletions(-)
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 6e25876..daaee83 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -33,6 +33,19 @@
# include "arm/vp8.h"
#endif
+static void free_buffers(VP8Context *s)
+{
+ av_freep(&s->macroblocks_base);
+ av_freep(&s->filter_strength);
+ av_freep(&s->intra4x4_pred_mode_top);
+ av_freep(&s->top_nnz);
+ av_freep(&s->edge_emu_buffer);
+ av_freep(&s->top_border);
+ av_freep(&s->segmentation_map);
+
+ s->macroblocks = NULL;
+}
+
static void vp8_decode_flush(AVCodecContext *avctx)
{
VP8Context *s = avctx->priv_data;
@@ -45,15 +58,7 @@ static void vp8_decode_flush(AVCodecContext *avctx)
}
memset(s->framep, 0, sizeof(s->framep));
- av_freep(&s->macroblocks_base);
- av_freep(&s->filter_strength);
- av_freep(&s->intra4x4_pred_mode_top);
- av_freep(&s->top_nnz);
- av_freep(&s->edge_emu_buffer);
- av_freep(&s->top_border);
- av_freep(&s->segmentation_map);
-
- s->macroblocks = NULL;
+ free_buffers(s);
}
static int update_dimensions(VP8Context *s, int width, int height)
@@ -1750,6 +1755,11 @@ static int vp8_decode_update_thread_context(AVCodecContext *dst, const AVCodecCo
{
VP8Context *s = dst->priv_data, *s_src = src->priv_data;
+ if (s->macroblocks_base &&
+ (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
+ free_buffers(s);
+ }
+
s->prob[0] = s_src->prob[!s_src->update_probabilities];
s->segmentation = s_src->segmentation;
s->lf_delta = s_src->lf_delta;
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