diff options
Diffstat (limited to 'include/opus.h')
| -rw-r--r-- | include/opus.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/opus.h b/include/opus.h index ccf3e201..623662d5 100644 --- a/include/opus.h +++ b/include/opus.h @@ -451,7 +451,10 @@ OPUS_EXPORT int opus_decoder_init( * is frame_size*channels*sizeof(opus_int16) * @param [in] frame_size Number of samples per channel of available space in \a pcm. * If this is less than the maximum packet duration (120ms; 5760 for 48kHz), this function will - * not be capable of decoding some packets. + * not be capable of decoding some packets. In the case of PLC (data==NULL) or FEC (decode_fec=1), + * then frame_size needs to be exactly the duration of audio that is missing, otherwise the + * decoder will not be in the optimal state to decode the next incoming packet. For the PLC and + * FEC cases, frame_size <b>must</b> be a multiple of 2.5 ms. * @param [in] decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band forward error correction data be * decoded. If no such data is available, the frame is decoded as if it were lost. * @returns Number of decoded samples or @ref opus_errorcodes @@ -473,7 +476,10 @@ OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_decode( * is frame_size*channels*sizeof(float) * @param [in] frame_size Number of samples per channel of available space in \a pcm. * If this is less than the maximum packet duration (120ms; 5760 for 48kHz), this function will - * not be capable of decoding some packets. + * not be capable of decoding some packets. In the case of PLC (data==NULL) or FEC (decode_fec=1), + * then frame_size needs to be exactly the duration of audio that is missing, otherwise the + * decoder will not be in the optimal state to decode the next incoming packet. For the PLC and + * FEC cases, frame_size <b>must</b> be a multiple of 2.5 ms. * @param [in] decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band forward error correction data be * decoded. If no such data is available the frame is decoded as if it were lost. * @returns Number of decoded samples or @ref opus_errorcodes |