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oggstream: fix opus duration calculation

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This commit is contained in:
Vincent Penquerc'h 2011-11-22 12:55:56 +00:00
parent ceee36195a
commit 2a87d7c8ce
1 changed files with 13 additions and 13 deletions
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26
ext/ogg/gstoggstream.c
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@ -1876,15 +1876,15 @@ static gint64
packet_duration_opus (GstOggStream * pad, ogg_packet * packet)
{
static const guint64 durations[32] = {
10000, 20000, 40000, 60000, /* Silk NB */
10000, 20000, 40000, 60000, /* Silk MB */
10000, 20000, 40000, 60000, /* Silk WB */
10000, 20000, /* Hybrid SWB */
10000, 20000, /* Hybrid FB */
2500, 5000, 10000, 20000, /* CELT NB */
2500, 5000, 10000, 20000, /* CELT NB */
2500, 5000, 10000, 20000, /* CELT NB */
2500, 5000, 10000, 20000, /* CELT NB */
480, 960, 1920, 2880, /* Silk NB */
480, 960, 1920, 2880, /* Silk MB */
480, 960, 1920, 2880, /* Silk WB */
480, 960, /* Hybrid SWB */
480, 960, /* Hybrid FB */
120, 240, 480, 960, /* CELT NB */
120, 240, 480, 960, /* CELT NB */
120, 240, 480, 960, /* CELT NB */
120, 240, 480, 960, /* CELT NB */
};
gint64 duration;
@ -1901,7 +1901,7 @@ packet_duration_opus (GstOggStream * pad, ogg_packet * packet)
toc = packet->packet[0];
frame_duration = durations[toc >> 3] * 1000;
frame_duration = durations[toc >> 3];
switch (toc & 3) {
case 0:
nframes = 1;
@ -1922,13 +1922,13 @@ packet_duration_opus (GstOggStream * pad, ogg_packet * packet)
}
duration = nframes * frame_duration;
if (duration > 120 * GST_MSECOND) {
if (duration > 5760) {
GST_WARNING ("Opus packet duration > 120 ms, invalid");
return 0;
}
GST_LOG ("Opus packet: frame size %.1f ms, %d frames, duration %.1f ms",
frame_duration / 1000000.f, nframes, duration / 1000000.f);
return (duration + 24000) / 48000;
frame_duration / 48.f, nframes, duration / 48.f);
return duration;
}