/*****************************************************************************
* Close:
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
int result = 0;
/* Stop data transmission */
result = dc1394_stop_iso_transmission( p_sys->fd_video,
p_sys->camera.node );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "couldn't stop the camera" );
}
/* Close camera */
if( p_sys->dma_capture )
{
dc1394_dma_unlisten( p_sys->fd_video, &p_sys->camera );
dc1394_dma_release_camera( p_sys->fd_video, &p_sys->camera );
}
else
{
dc1394_release_camera( p_sys->fd_video, &p_sys->camera );
}
if( p_sys->fd_video )
dc1394_destroy_handle( p_sys->fd_video );
CloseAudioDev( p_demux );
free( p_sys->camera_nodes );
free( p_sys->audio_device );
free( p_sys );
}
static void OpenAudioDev( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
char *psz_device = p_sys->audio_device;
int i_format = AFMT_S16_LE;
int result;
p_sys->fd_audio = open( psz_device, O_RDONLY | O_NONBLOCK );
if( p_sys->fd_audio < 0 )
{
msg_Err( p_demux, "cannot open audio device (%s)", psz_device );
CloseAudioDev( p_demux );
}
if( !p_sys->i_sample_rate )
p_sys->i_sample_rate = 44100;
result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SETFMT, &i_format );
if( (result < 0) || (i_format != AFMT_S16_LE) )
{
msg_Err( p_demux, "cannot set audio format (16b little endian) "
"(%d)", i_format );
CloseAudioDev( p_demux );
}
result = ioctl( p_sys->fd_audio, SNDCTL_DSP_CHANNELS, &p_sys->channels );
if( result < 0 )
{
msg_Err( p_demux, "cannot set audio channels count (%d)",
p_sys->channels );
CloseAudioDev( p_demux );
}
result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SPEED, &p_sys->i_sample_rate );
if( result < 0 )
{
msg_Err( p_demux, "cannot set audio sample rate (%s)", p_sys->i_sample_rate );
CloseAudioDev( p_demux );
}
msg_Dbg( p_demux, "opened adev=`%s' %s %dHz",
psz_device,
(p_sys->channels > 1) ? "stereo" : "mono",
p_sys->i_sample_rate );
p_sys->i_audio_max_frame_size = 32 * 1024;
}
/*****************************************************************************
* Close:
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
/* Stop data transmission */
if( dc1394_video_set_transmission( p_sys->camera,
DC1394_OFF ) != DC1394_SUCCESS )
msg_Err( p_demux, "Unable to stop camera iso transmission" );
/* Close camera */
dc1394_capture_stop( p_sys->camera );
CloseAudioDev( p_demux );
dc1394_camera_free(p_sys->camera);
dc1394_free(p_sys->p_dccontext);
free( p_sys->video_device );
free( p_sys->audio_device );
free( p_sys );
}
