[FFmpeg-cvslog] lavf/brstm: if the file lies about the last block's size, correct it
Rodger Combs
git at videolan.org
Sat Jun 27 15:37:19 CEST 2015
ffmpeg | branch: master | Rodger Combs <rodger.combs at gmail.com> | Tue Jun 23 12:35:35 2015 -0500| [68f00fb40bb3cfc354f6295e8a96b07600aa72a9] | committer: Michael Niedermayer
lavf/brstm: if the file lies about the last block's size, correct it
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=68f00fb40bb3cfc354f6295e8a96b07600aa72a9
---
libavformat/brstm.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavformat/brstm.c b/libavformat/brstm.c
index f5a4a82..291a462 100644
--- a/libavformat/brstm.c
+++ b/libavformat/brstm.c
@@ -369,6 +369,15 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
size = b->last_block_used_bytes;
samples = b->last_block_samples;
skip = b->last_block_size - b->last_block_used_bytes;
+
+ if (samples < size * 14 / 8) {
+ uint32_t adjusted_size = samples / 14 * 8;
+ if (samples % 14)
+ adjusted_size += (samples % 14 + 1) / 2 + 1;
+
+ skip += size - adjusted_size;
+ size = adjusted_size;
+ }
} else if (b->current_block < b->block_count) {
size = b->block_size;
samples = b->samples_per_block;
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