Hi,
I am trying to playback a multi-channel PCM stream, e.g. 5.1. Is there an API for configuring the channel positions?
I found this API:
int snd_pcm_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
typedef struct snd_pcm_chmap {
unsigned int channels;
unsigned int pos[0];
} snd_pcm_chmap_t;
But when I call it, it returns -6. Also, calling snd_pcm_get_chmap() return NULL.
Your help is appreciated.
Thanks
Steve
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