source: roaraudio/roard/driver_pulsesimple.c @ 5056:b31e60545552

//driver_pulsesimple.c:

/*
 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011
 *
 *  This file is part of roard a part of RoarAudio,
 *  a cross-platform sound system for both, home and professional use.
 *  See README for details.
 *
 *  This file is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 3
 *  as published by the Free Software Foundation.
 *
 *  RoarAudio is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this software; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
 */

#include "roard.h"

#ifdef ROAR_HAVE_LIBPULSE

int     driver_pulsesimple_open         (struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream) {
 struct driver_pulsesimple * self;
 const char                * subdev = NULL;
 int                         pulseerror = -1;
 pa_stream_direction_t dir = PA_STREAM_PLAYBACK;
 pa_sample_spec        ss;
 int autoconfig = 0;
 int needauto   = 0;

//    pa_sample_format_t format;     /**< The sample format */

 if ( fh != -1 )
  return -1;

 if ( sstream != NULL ) {
  autoconfig = streams_get_flag(ROAR_STREAM(sstream)->id, ROAR_FLAG_AUTOCONF);
 }

 switch (info->codec) {
  case ROAR_CODEC_ALAW:
    ss.format = PA_SAMPLE_ALAW;
   break;
  case ROAR_CODEC_MULAW:
    ss.format = PA_SAMPLE_ULAW;
   break;
  case ROAR_CODEC_PCM_S_LE:
    switch (info->bits) {
     case 16:
       ss.format = PA_SAMPLE_S16LE;
      break;
     default:
       needauto = 1;
      break;
    }
   break;
  case ROAR_CODEC_PCM_S_BE:
    switch (info->bits) {
     case 16:
       ss.format = PA_SAMPLE_S16BE;
      break;
     default:
       needauto = 1;
      break;
    }
   break;
  case ROAR_CODEC_PCM_U_LE:
  case ROAR_CODEC_PCM_U_BE:
  case ROAR_CODEC_PCM_U_PDP:
    if ( info->bits == 8 ) {
     ss.format = PA_SAMPLE_U8;
    } else {
     needauto = 1;
    }
   break;
  default:
    needauto = 1;
   break;
 }

 if ( needauto ) {
  if ( !autoconfig ) {
   return -1;
  }

  info->bits = 16;
  info->codec = ROAR_CODEC_DEFAULT;
  ss.format = PA_SAMPLE_S16NE;
 }

 ss.rate     = info->rate;
 ss.channels = info->channels;

 if ( (self = roar_mm_malloc(sizeof(struct driver_pulsesimple))) == NULL )
  return -1;

 self->handle = pa_simple_new(device, "roard", dir, subdev, "RoarAudio Sound Server", &ss, NULL, NULL, &pulseerror);

 if ( self->handle == NULL && autoconfig ) {
  info->bits = 16;
  info->codec = ROAR_CODEC_DEFAULT;
  ss.format = PA_SAMPLE_S16NE;

  self->handle = pa_simple_new(device, "roard", dir, subdev, "RoarAudio Sound Server", &ss, NULL, NULL, &pulseerror);
 }

 if ( self->handle == NULL ) {
  ROAR_ERR("driver_pulsesimple_open(inst=%p, device='%s', info=%p, fh=%i, sstream=%p): can not open device: %s", inst, device, info, fh, sstream, pa_strerror(pulseerror));
  roar_mm_free(self);
  ROAR_DBG("driver_pulsesimple_open(inst=%p, device='%s', info=%p, fh=%i, sstream=%p) = -1", inst, device, info, fh, sstream);
  return -1;
 }

 memset(inst, 0, sizeof(struct roar_vio_calls));

 inst->inst     = self;
 inst->close    = driver_pulsesimple_close;
 inst->write    = driver_pulsesimple_write;
 inst->sync     = driver_pulsesimple_sync;
 inst->ctl      = driver_pulsesimple_ctl;
 inst->nonblock = driver_dummy_nonblock;

 return 0;
}

int     driver_pulsesimple_close        (struct roar_vio_calls * vio) {
 struct driver_pulsesimple * self = vio->inst;

 ROAR_DBG("driver_pulsesimple_close(vio=%p) = ?", vio);

 pa_simple_free(self->handle);

 roar_mm_free(self);

 return 0;
}

ssize_t driver_pulsesimple_write        (struct roar_vio_calls * vio, void *buf, size_t count) {
 struct driver_pulsesimple * self = vio->inst;

 ROAR_DBG("driver_pulsesimple_write(vio=%p, buf=%p, count=%llu) = ?", vio, buf, (long long unsigned int)count);

 return pa_simple_write(self->handle, buf, count, NULL) == 0 ? count : -1;
}

int     driver_pulsesimple_sync         (struct roar_vio_calls * vio) {
 struct driver_pulsesimple * self = vio->inst;

 ROAR_DBG("driver_pulsesimple_sync(vio=%p) = ?", vio);

 return pa_simple_drain(self->handle, NULL);
}

int     driver_pulsesimple_ctl          (struct roar_vio_calls * vio, int cmd, void * data) {
 struct driver_pulsesimple * self = vio->inst;

 (void)self;

 ROAR_DBG("driver_pulsesimple_ctl(vio=%p) = ?", vio);

 return -1;
}

#endif

//ll