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Merge pull request #189 from wksuper/master

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Backward compatible for pcm_write() pcm_read()
This commit is contained in:
dvdli
2020-11-04 13:53:36 +08:00
committed by GitHub
parent df7a77773c 9f3a515493
commit 87c428fa10
1 changed files with 14 additions and 3 deletions
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src/pcm.c
+14 -3
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@@ -1706,7 +1706,13 @@ int pcm_readi(struct pcm *pcm, void *data, unsigned int frame_count)
*/
int pcm_write(struct pcm *pcm, const void *data, unsigned int count)
{
return pcm_writei(pcm, data, pcm_bytes_to_frames(pcm, count));
unsigned int requested_frames = pcm_bytes_to_frames(pcm, count);
int ret = pcm_writei(pcm, data, requested_frames);
if (ret < 0)
return ret;
return ((unsigned int )ret == requested_frames) ? 0 : -EIO;
}
/** Reads audio samples from PCM.
@@ -1722,7 +1728,13 @@ int pcm_write(struct pcm *pcm, const void *data, unsigned int count)
*/
int pcm_read(struct pcm *pcm, void *data, unsigned int count)
{
return pcm_readi(pcm, data, pcm_bytes_to_frames(pcm, count));
unsigned int requested_frames = pcm_bytes_to_frames(pcm, count);
int ret = pcm_readi(pcm, data, requested_frames);
if (ret < 0)
return ret;
return ((unsigned int )ret == requested_frames) ? 0 : -EIO;
}
/** Gets the delay of the PCM, in terms of frames.
@@ -1738,4 +1750,3 @@ long pcm_get_delay(struct pcm *pcm)
return pcm->pcm_delay;
}