/*****************************************************************
* \brief init audio device
* \return STREAM_OK if success, STREAM_ERROR otherwise
*/
static int init_audio(radio_priv_t *priv)
{
int is_oss=1;
int seconds=2;
char* tmp;
if (priv->audio_initialized) return 1;
/* do_capture==0 mplayer was not started with capture keyword, so disabling capture*/
if(!priv->do_capture)
return STREAM_OK;
if (!priv->radio_param->adevice) {
priv->do_capture=0;
return STREAM_OK;
}
priv->do_capture=1;
mp_tmsg(MSGT_RADIO,MSGL_V,"[radio] Starting capture stuff.\n");
#ifdef CONFIG_ALSA
while ((tmp = strrchr(priv->radio_param->adevice, '='))) {
tmp[0] = ':';
//adevice option looks like ALSA device name. Switching to ALSA
is_oss=0;
}
while ((tmp = strrchr(priv->radio_param->adevice, '.')))
tmp[0] = ',';
#endif
if(audio_in_init(&priv->audio_in, is_oss?AUDIO_IN_OSS:AUDIO_IN_ALSA)<0) {
mp_tmsg(MSGT_RADIO, MSGL_ERR, "[radio] audio_in_init failed.\n");
}
audio_in_set_device(&priv->audio_in, priv->radio_param->adevice);
audio_in_set_channels(&priv->audio_in, priv->radio_param->achannels);
audio_in_set_samplerate(&priv->audio_in, priv->radio_param->arate);
if (audio_in_setup(&priv->audio_in) < 0) {
mp_tmsg(MSGT_RADIO, MSGL_ERR, "[radio] audio_in_setup call failed: %s\n", strerror(errno));
return STREAM_ERROR;
}
#ifdef CONFIG_OSS_AUDIO
if(is_oss)
ioctl(priv->audio_in.oss.audio_fd, SNDCTL_DSP_NONBLOCK, 0);
#endif
#ifdef CONFIG_ALSA
if(!is_oss)
snd_pcm_nonblock(priv->audio_in.alsa.handle,1);
#endif
priv->audio_buffer_size = seconds*priv->audio_in.samplerate*priv->audio_in.channels*
priv->audio_in.bytes_per_sample+priv->audio_in.blocksize;
if (priv->audio_buffer_size < 256*priv->audio_in.blocksize)
priv->audio_buffer_size = 256*priv->audio_in.blocksize;
mp_tmsg(MSGT_RADIO, MSGL_V, "[radio] Audio capture - buffer=%d bytes (block=%d bytes).\n",
priv->audio_buffer_size,priv->audio_in.blocksize);
/* start capture */
priv->audio_ringbuffer = calloc(1, priv->audio_buffer_size);
if (!priv->audio_ringbuffer) {
mp_tmsg(MSGT_RADIO, MSGL_ERR, "[radio] cannot allocate audio buffer (block=%d,buf=%d): %s\n",priv->audio_in.blocksize, priv->audio_buffer_size, strerror(errno));
return STREAM_ERROR;
}
priv->audio_head = 0;
priv->audio_tail = 0;
priv->audio_cnt = 0;
priv->audio_drop = 0;
audio_in_start_capture(&priv->audio_in);
priv->audio_initialized = 1;
return STREAM_OK;
}
/*****************************************************************
* \brief init audio device
* \return STREAM_OK if success, STREAM_ERROR otherwise
*/
static int init_audio(radio_priv_t *priv)
{
int is_oss=1;
int seconds=2;
char* tmp;
if (priv->audio_inited) return 1;
/* do_capture==0 mplayer was not started with capture keyword, so disabling capture*/
if(!priv->do_capture)
return STREAM_OK;
if (!priv->radio_param->adevice){
priv->do_capture=0;
return STREAM_OK;
}
priv->do_capture=1;
mp_msg(MSGT_RADIO,MSGL_V,MSGTR_RADIO_CaptureStarting);
#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X)
while ((tmp = strrchr(priv->radio_param->adevice, '='))){
tmp[0] = ':';
//adevice option looks like ALSA device name. Switching to ALSA
is_oss=0;
}
while ((tmp = strrchr(priv->radio_param->adevice, '.')))
tmp[0] = ',';
#endif
if(audio_in_init(&priv->audio_in, is_oss?AUDIO_IN_OSS:AUDIO_IN_ALSA)<0){
mp_msg(MSGT_RADIO, MSGL_ERR, MSGTR_RADIO_AudioInInitFailed);
}
audio_in_set_device(&priv->audio_in, priv->radio_param->adevice);
audio_in_set_channels(&priv->audio_in, priv->radio_param->achannels);
audio_in_set_samplerate(&priv->audio_in, priv->radio_param->arate);
if (audio_in_setup(&priv->audio_in) < 0) {
mp_msg(MSGT_RADIO, MSGL_ERR, MSGTR_RADIO_AudioInSetupFailed, strerror(errno));
return STREAM_ERROR;
}
#ifdef USE_OSS_AUDIO
if(is_oss)
ioctl(priv->audio_in.oss.audio_fd, SNDCTL_DSP_NONBLOCK, 0);
#endif
#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X)
if(!is_oss)
snd_pcm_nonblock(priv->audio_in.alsa.handle,1);
#endif
priv->audio_buffer_size = seconds*priv->audio_in.samplerate*priv->audio_in.channels*
priv->audio_in.bytes_per_sample+priv->audio_in.blocksize;
if (priv->audio_buffer_size < 256*priv->audio_in.blocksize)
priv->audio_buffer_size = 256*priv->audio_in.blocksize;
mp_msg(MSGT_RADIO, MSGL_V, MSGTR_RADIO_AudioBuffer,
priv->audio_buffer_size,priv->audio_in.blocksize);
/* start capture */
priv->audio_ringbuffer = calloc(1, priv->audio_buffer_size);
if (!priv->audio_ringbuffer) {
mp_msg(MSGT_RADIO, MSGL_ERR, MSGTR_RADIO_AllocateBufferFailed,priv->audio_in.blocksize, priv->audio_buffer_size, strerror(errno));
return STREAM_ERROR;
}
priv->audio_head = 0;
priv->audio_tail = 0;
priv->audio_cnt = 0;
priv->audio_drop = 0;
priv->audio_inited = 1;
return STREAM_OK;
}