lsp-alsa/libasound-pcm.lsp

   1 (constant
   2  ;; typedef enum _snd_pcm_stream
   3  'SND_PCM_STREAM_PLAYBACK 0
   4  'SND_PCM_STREAM_CAPTURE  1
   5  ;; Non blocking mode (flag for open mode)
   6  'SND_PCM_NONBLOCK 0x00000001
   7  ;; Async notification
   8  'SND_PCM_ASYNC    0x00000002
   9  ;; enum _snd_pcm_format (some)
  10  'SND_PCM_FORMAT_S16_LE 2
  11  ;; enum _snd_pcm_access (some)
  12  'SND_PCM_ACCESS_RW_INTERLEAVED 3
  13  'SND_PCM_ACCESS_RW_NONINTERLEAVED 4
  14  )
  15
  16 (import LIB "snd_pcm_open" "int"
  17         "void*" ; snd_pcm_t **pcmp [output]
  18         "char*" ; const char *name
  19         "int"   ; snd_pcm_stream_t stream
  20         "int"   ; int mode
  21         )
  22
  23 (import LIB "snd_pcm_writei" "long" ; snd_pcm_uframes_t
  24         "void*" ; snd_pcm_t *pcm
  25         "void*" ; const void *buffer
  26         "long"   ; snd_pcm_uframes_t size
  27         )
  28
  29 (import LIB "snd_pcm_prepare" "int" ; int
  30         "void*" ; snd_pcm_t *pcm
  31         )
  32
  33 (import LIB "snd_pcm_start" "int" ; int
  34         "void*" ; snd_pcm_t *pcm
  35         )
  36
  37 ;;typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t
  38 #      "unsigned" ; unsigned int flags;
  39 #      struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
  40 #                             SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
  41 #      struct snd_mask mres[5];        /* reserved masks */
  42 #      struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
  43 #                                      SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
  44 #      struct snd_interval ires[9];    /* reserved intervals */
  45 #      unsigned int rmask;             /* W: requested masks */
  46 #      unsigned int cmask;             /* R: changed masks */
  47 #      unsigned int info;              /* R: Info flags for returned setup */
  48 #      unsigned int msbits;            /* R: used most significant bits */
  49 #      unsigned int rate_num;          /* R: rate numerator */
  50 #      unsigned int rate_den;          /* R: rate denominator */
  51 #      snd_pcm_uframes_t fifo_size;    /* R: chip FIFO size in frames */
  52 #      unsigned char reserved[64];     /* reserved for future */
  53
  54 #(import LIB "snd_pcm_hw_params_current" "int"
  55 #       "void*" ; snd_pcm_t *pcm
  56 #        "void*" ; snd_pcm_hw_params_t *params
  57 #        )
  58
  59 (import LIB "snd_pcm_state" "int" ; snd_pcm_state_t snd_pcm_state
  60         "void*" ; snd_pcm_t *pcm
  61         )
  62
  63 (import LIB "snd_pcm_start" "int" ; snd_pcm_state_t snd_pcm_start
  64         "void*" ; snd_pcm_t *pcm
  65         )
  66
  67 (import LIB "snd_pcm_wait" "int"
  68         "void*" ; snd_pcm_t *pcm
  69         "int"   ; int timeout
  70         )
  71
  72 (import LIB "snd_pcm_set_params" "int"
  73         "void*" ; snd_pcm_t *pcm
  74         "int"   ; snd_pcm_format_t format
  75         "int"   ; snd_pcm_access_t access
  76         "unsigned int" ; unsigned int channels
  77         "unsigned int" ; unsigned int rate
  78         "int"   ;int soft_resample
  79         "unsigned int" ; unsigned int latency
  80         )
  81
  82 (import LIB "snd_pcm_drain" "int"
  83         "void*" ; snd_pcm_t *pcm
  84         )
  85
  86 (import LIB "snd_pcm_close" "int"
  87         "void*" ; snd_pcm_t *pcm
  88         )
  89