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Diffstat (limited to 'src/pcm_format.h')
| -rw-r--r-- | src/pcm_format.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/pcm_format.h b/src/pcm_format.h index 628155dd4..32279faef 100644 --- a/src/pcm_format.h +++ b/src/pcm_format.h @@ -25,11 +25,34 @@ struct pcm_buffer; struct pcm_dither_24; +/** + * Converts PCM samples to 16 bit. If the source format is 24 bit, + * then dithering is applied. + * + * @param buffer a pcm_buffer object + * @param dither a pcm_dither_24 object for 24-to-16 conversion + * @param bits the number of in the source buffer + * @param src the source PCM buffer + * @param src_size the size of #src in bytes + * @param dest_size_r returns the number of bytes of the destination buffer + * @return the destination buffer + */ const int16_t * pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither_24 *dither, uint8_t bits, const void *src, size_t src_size, size_t *dest_size_r); +/** + * Converts PCM samples to 24 bit (32 bit alignment). + * + * @param buffer a pcm_buffer object + * @param dither a pcm_dither_24 object for 24-to-16 conversion + * @param bits the number of in the source buffer + * @param src the source PCM buffer + * @param src_size the size of #src in bytes + * @param dest_size_r returns the number of bytes of the destination buffer + * @return the destination buffer + */ const int32_t * pcm_convert_to_24(struct pcm_buffer *buffer, uint8_t bits, const void *src, |