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Implements opus_packet_get_nb_samples()

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This commit is contained in:
Jean-Marc Valin 2012-12-04 15:45:31 -05:00
parent 512d849c24
commit d0fd9d4baa
3 changed files with 24 additions and 5 deletions
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14
src/opus_decoder.c
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@ -1050,8 +1050,8 @@ int opus_packet_get_nb_frames(const unsigned char packet[], opus_int32 len)
return packet[1]&0x3F;
}
int opus_decoder_get_nb_samples(const OpusDecoder *dec,
const unsigned char packet[], opus_int32 len)
int opus_packet_get_nb_samples(const unsigned char packet[], opus_int32 len,
opus_int32 Fs)
{
int samples;
int count = opus_packet_get_nb_frames(packet, len);
@ -1059,10 +1059,16 @@ int opus_decoder_get_nb_samples(const OpusDecoder *dec,
if (count<0)
return count;
samples = count*opus_packet_get_samples_per_frame(packet, dec->Fs);
samples = count*opus_packet_get_samples_per_frame(packet, Fs);
/* Can't have more than 120 ms */
if (samples*25 > dec->Fs*3)
if (samples*25 > Fs*3)
return OPUS_INVALID_PACKET;
else
return samples;
}
int opus_decoder_get_nb_samples(const OpusDecoder *dec,
const unsigned char packet[], opus_int32 len)
{
return opus_packet_get_nb_samples(packet, len, dec->Fs);
}