openharmony/third_party_tinyalsa
1
0
Fork 0
mirror of https://github.com/openharmony/third_party_tinyalsa.git synced 2026-07-18 21:34:26 -04:00
Code Issues Packages Projects Releases Wiki Activity

Added format related getters for PCM

Browse Source 
Added functions:
 - pcm_get_channels
 - pcm_get_rate
 - pcm_get_format

These were added since they're required for iterating samples and frames.
This commit is contained in:
Taylor Holberton
2016-12-01 20:04:04 -08:00
parent 94c7c83c01
commit 77979a8855
2 changed files with 37 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/tinyalsa/pcm.h
+6
View File
@@ -240,6 +240,12 @@ int pcm_close(struct pcm *pcm);
int pcm_is_ready(const struct pcm *pcm);
unsigned int pcm_get_channels(const struct pcm *pcm);
unsigned int pcm_get_rate(const struct pcm *pcm);
enum pcm_format pcm_get_format(const struct pcm *pcm);
int pcm_get_file_descriptor(const struct pcm *pcm);
const char *pcm_get_error(const struct pcm *pcm);
src/pcm.c
+31
View File
@@ -204,6 +204,37 @@ unsigned int pcm_get_buffer_size(const struct pcm *pcm)
return pcm->buffer_size;
}
/** Gets the channel count of the PCM.
* @param pcm A PCM handle.
* @return The channel count of the PCM.
* @ingroup libtinyalsa-pcm
*/
unsigned int pcm_get_channels(const struct pcm *pcm)
{
return pcm->config.channels;
}
/** Gets the rate of the PCM.
* The rate is given in frames per second.
* @param pcm A PCM handle.
* @return The rate of the PCM.
* @ingroup libtinyalsa-pcm
*/
unsigned int pcm_get_rate(const struct pcm *pcm)
{
return pcm->config.rate;
}
/** Gets the format of the PCM.
* @param pcm A PCM handle.
* @return The format of the PCM.
* @ingroup libtinyalsa-pcm
*/
enum pcm_format pcm_get_format(const struct pcm *pcm)
{
return pcm->config.format;
}
/** Gets the file descriptor of the PCM.
* Useful for extending functionality of the PCM when needed.
* @param pcm A PCM handle.