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pcm: added API documentation

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This commit is contained in:
Max Kellermann
2009-02-21 18:14:20 +01:00
parent cae7c160a3
commit f0554d9a75
6 changed files with 130 additions and 1 deletions
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23
src/pcm_channels.h
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@@ -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,