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.
---
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++) {
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