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authorBaptiste Coudurier <baptiste.coudurier@gmail.com>2008-02-11 22:32:35 +0000
committerBaptiste Coudurier <baptiste.coudurier@gmail.com>2008-02-11 22:32:35 +0000
commit8cb66fd8f20ab9650eadf77f612d2ea6f44183da (patch)
treed8b75a6433cf09634e70252f04bbfbee9e1dda84 /libavformat
parent77c7543702309ff7530ab7b4ba5adac8db103ca6 (diff)
downloadffmpeg-streaming-8cb66fd8f20ab9650eadf77f612d2ea6f44183da.zip
ffmpeg-streaming-8cb66fd8f20ab9650eadf77f612d2ea6f44183da.tar.gz
split chunks in the case of big compressed audio frames,
might be tweaked, fix qt_dv_pal_test.mov. Originally committed as revision 11909 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/mov.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c
index e2272b1..27f171a 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1375,6 +1375,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
}
} else { /* read whole chunk */
unsigned int chunk_samples, chunk_size, chunk_duration;
+ unsigned int frames = 1;
for (i = 0; i < sc->chunk_count; i++) {
current_offset = sc->chunk_offsets[i];
if (stsc_index + 1 < sc->sample_to_chunk_sz &&
@@ -1387,7 +1388,15 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
chunk_size = chunk_samples * sc->sample_size;
else if (sc->samples_per_frame > 0 &&
(chunk_samples * sc->bytes_per_frame % sc->samples_per_frame == 0))
+ {
+ if (sc->samples_per_frame < 1024)
chunk_size = chunk_samples * sc->bytes_per_frame / sc->samples_per_frame;
+ else {
+ chunk_size = sc->bytes_per_frame;
+ frames = chunk_samples / sc->samples_per_frame;
+ chunk_samples = sc->samples_per_frame;
+ }
+ }
else { /* workaround to find nearest next chunk offset */
chunk_size = INT_MAX;
for (j = 0; j < mov->fc->nb_streams; j++) {
@@ -1416,6 +1425,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
msc->next_chunk = 0;
}
}
+ for (j = 0; j < frames; j++) {
av_add_index_entry(st, current_offset, current_dts, chunk_size, 0, AVINDEX_KEYFRAME);
/* get chunk duration */
chunk_duration = 0;
@@ -1432,10 +1442,12 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
}
}
}
+ current_offset += sc->bytes_per_frame;
dprintf(mov->fc, "AVIndex stream %d, chunk %d, offset %"PRIx64", dts %"PRId64", size %d, "
"duration %d\n", st->index, i, current_offset, current_dts, chunk_size, chunk_duration);
assert(chunk_duration % sc->time_rate == 0);
current_dts += chunk_duration / sc->time_rate;
+ }
}
}
out:
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