diff options
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/ffmpeg/A05-dca-resync.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/contrib/ffmpeg/A05-dca-resync.patch b/contrib/ffmpeg/A05-dca-resync.patch new file mode 100644 index 000000000..edc2e76fa --- /dev/null +++ b/contrib/ffmpeg/A05-dca-resync.patch @@ -0,0 +1,37 @@ +From 280e670dd039d7ba628bc47f1cdee72df9658094 Mon Sep 17 00:00:00 2001 +From: John Stebbins <[email protected]> +Date: Wed, 2 Jan 2013 11:32:40 -0800 +Subject: [PATCH] dca_parser: Handle loss of bitstream sync better + +A change in framesize caused a perpetual loss of synchronization. So +when the sync pattern is not found where it is expected, reset and +recalculate the framesize. +--- + libavcodec/dca_parser.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/libavcodec/dca_parser.c b/libavcodec/dca_parser.c +index ab235cf..ad441f8 100644 +--- a/libavcodec/dca_parser.c ++++ b/libavcodec/dca_parser.c +@@ -88,6 +88,17 @@ static int dca_find_frame_end(DCAParseContext * pc1, const uint8_t * buf, + pc1->size = 0; + return i - 3; + } ++ else if (pc1->size == pc1->framesize) ++ { ++ // Lost sync, search for sync and reset framesize as it may ++ // have changed mid-stream ++ pc->frame_start_found = 0; ++ pc->state = -1; ++ pc1->size = 0; ++ pc1->framesize = 0; ++ pc1->lastmarker = 0; ++ return END_NOT_FOUND; ++ } + } + } + pc->frame_start_found = start_found; +-- +1.7.11.7 + |