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Fixes OPUS_GET_LAST_PACKET_DURATION

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Calling PLC/FEC with a different size was not updating it
This commit is contained in:
Jean-Marc Valin 2012-12-05 21:48:45 -05:00
parent 535efb0707
commit a0737d1fcf
1 changed files with 7 additions and 0 deletions
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7
src/opus_decoder.c
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@ -759,6 +759,7 @@ int opus_decode_native(OpusDecoder *st, const unsigned char *data,
celt_assert(pcm_count == frame_size);
if (OPUS_CHECK_ARRAY(pcm, pcm_count*st->channels))
OPUS_PRINT_INT(pcm_count);
st->last_packet_duration = pcm_count;
return pcm_count;
} else if (len<0)
return OPUS_BAD_ARG;
@ -774,14 +775,19 @@ int opus_decode_native(OpusDecoder *st, const unsigned char *data,
if (decode_fec)
{
int duration_copy;
int ret;
/* If no FEC can be present, run the PLC (recursive call) */
if (frame_size <= packet_frame_size || packet_mode == MODE_CELT_ONLY || st->mode == MODE_CELT_ONLY)
return opus_decode_native(st, NULL, 0, pcm, frame_size, 0, 0, NULL);
/* Otherwise, run the PLC on everything except the size for which we might have FEC */
duration_copy = st->last_packet_duration;
ret = opus_decode_native(st, NULL, 0, pcm, frame_size-packet_frame_size, 0, 0, NULL);
if (ret<0)
{
st->last_packet_duration = duration_copy;
return ret;
}
celt_assert(ret==frame_size-packet_frame_size);
/* Complete with FEC */
st->mode = packet_mode;
@ -795,6 +801,7 @@ int opus_decode_native(OpusDecoder *st, const unsigned char *data,
else {
if (OPUS_CHECK_ARRAY(pcm, frame_size*st->channels))
OPUS_PRINT_INT(frame_size);
st->last_packet_duration = frame_size;
return frame_size;
}
}