diff options
Diffstat (limited to 'src/pcm_channels.h')
| -rw-r--r-- | src/pcm_channels.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/pcm_channels.h b/src/pcm_channels.h index b4699ed8f..25c13d839 100644 --- a/src/pcm_channels.h +++ b/src/pcm_channels.h @@ -24,12 +24,35 @@ struct pcm_buffer; +/** + * Changes the number of channels in 16 bit PCM data. + * + * @param buffer the destination pcm_buffer object + * @param dest_channels the number of channels requested + * @param src_channels the number of channels in the source buffer + * @param src the source PCM buffer + * @param src_size the number of bytes in #src + * @param dest_size_r returns the number of bytes of the destination buffer + * @return the destination buffer + */ const int16_t * pcm_convert_channels_16(struct pcm_buffer *buffer, int8_t dest_channels, int8_t src_channels, const int16_t *src, size_t src_size, size_t *dest_size_r); +/** + * Changes the number of channels in 24 bit PCM data (aligned at 32 + * bit boundaries). + * + * @param buffer the destination pcm_buffer object + * @param dest_channels the number of channels requested + * @param src_channels the number of channels in the source buffer + * @param src the source PCM buffer + * @param src_size the number of bytes in #src + * @param dest_size_r returns the number of bytes of the destination buffer + * @return the destination buffer + */ const int32_t * pcm_convert_channels_24(struct pcm_buffer *buffer, int8_t dest_channels, |