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Added the surround plugin to allow simple access for 4.0 and 5.1 speakers.

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It needs a bit more work to make it functional.
This commit is contained in:
Jaroslav Kysela 2001-04-13 10:54:56 +00:00
parent edaf7fdf2c
commit c4f95f48c3
13 changed files with 549 additions and 2 deletions
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13
include/pcm.h
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@ -12,7 +12,7 @@ typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t;
/** PCM software configuration container */
typedef struct _snd_pcm_sw_params snd_pcm_sw_params_t;
/** PCM status container */
typedef struct _snd_pcm_status snd_pcm_status_t;
typedef struct _snd_pcm_status snd_pcm_status_t;
/** PCM access types mask */
typedef struct _snd_pcm_access_mask snd_pcm_access_mask_t;
/** PCM formats mask */
@ -196,6 +196,15 @@ typedef enum _snd_pcm_tstamp {
SND_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_LAST,
} snd_pcm_tstamp_t;
/** Surround type */
typedef enum _snd_pcm_surround_type {
/** 4.0 speakers */
SND_PCM_SURROUND_40 = 0,
/** 5.1 speakers */
SND_PCM_SURROUND_51 = 1,
SND_PCM_SURROUND_LAST = SND_PCM_SURROUND_51
} snd_pcm_surround_type_t;
/** Unsigned frames quantity */
typedef sndrv_pcm_uframes_t snd_pcm_uframes_t;
/** Signed frames quantity */
@ -266,6 +275,8 @@ enum _snd_pcm_type {
SND_PCM_TYPE_DROUTE,
/** Loopback server plugin (not yet implemented) */
SND_PCM_TYPE_LBSERVER,
/** Surround plugin */
SND_PCM_TYPE_SURROUND,
};
/** PCM type */