[FFmpeg-cvslog] mov: Add support for zero-sized stsc runs.

[Alex Converse]

ffmpeg | branch: master | Alex Converse <aconverse at google.com> | Mon Mar 28 13:54:18 2011 -0700| [9dd94f8379a0f7b3c820bf73c45fa888971c7432] | committer: Anton Khirnov

mov: Add support for zero-sized stsc runs.

A zero sized stsc run doesn't make a lot of sense but the spec does not
prohibit them and MPlayer VLC demuxers support them.

Signed-off-by: Anton Khirnov <anton at khirnov.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9dd94f8379a0f7b3c820bf73c45fa888971c7432
---

 libavformat/mov.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 94f19a6..b57c1aa 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1553,7 +1553,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
 
         for (i = 0; i < sc->chunk_count; i++) {
             current_offset = sc->chunk_offsets[i];
-            if (stsc_index + 1 < sc->stsc_count &&
+            while (stsc_index + 1 < sc->stsc_count &&
                 i + 1 == sc->stsc_data[stsc_index + 1].first)
                 stsc_index++;
             for (j = 0; j < sc->stsc_data[stsc_index].count; j++) {