//---------------------------------------------------------------------------
NiCamera* NIF_Files::FindCamera(NiAVObject* pkObject)
{
// This function recursively walks the scenegraph until a camera
// is found.
if (NiIsKindOf(NiCamera, pkObject))
{
return (NiCamera*) pkObject;
}
else if (NiIsKindOf(NiNode, pkObject))
{
// NiNodes are the primary structural objects in Gamebryo. They
// group other Gamebryo scene objects together under a common parent
// and coordinate system. NiNodes can have as many children as
// necessary, but those children are not guaranteed to be contiguous.
NiNode* pkNode = (NiNode*) pkObject;
for (unsigned int ui = 0; ui < pkNode->GetArrayCount(); ui++)
{
NiCamera* pkFoundCamera = FindCamera(pkNode->GetAt(ui));
if (pkFoundCamera)
return pkFoundCamera;
}
}
return NULL;
}
//---------------------------------------------------------------------------
bool NIF_Files::FindSceneCamera()
{
if (m_spScene)
{
m_spCamera = FindCamera(m_spScene);
}
return (m_spCamera != NULL);
}
//-----------------------------------------------------------------------------
CPUTCamera *CPUTAssetLibrary::GetCamera(const cString &name)
{
// TODO: Should we prefix camera names with a path anyway? To keek them unique?
// If we already have one by this name, then return it
CPUTCamera *pCamera = FindCamera(name, true);
if(NULL!=pCamera)
{
pCamera->AddRef();
return pCamera;
}
return NULL;
}
/*****************************************************************************
* Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
es_format_t fmt;
dc1394error_t res;
int i_width;
int i_height;
if( strncmp(p_demux->psz_access, "dc1394", 6) != 0 )
return VLC_EGENERIC;
/* Set up p_demux */
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->info.i_update = 0;
p_demux->info.i_title = 0;
p_demux->info.i_seekpoint = 0;
p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
memset( &fmt, 0, sizeof( es_format_t ) );
/* DEFAULTS */
p_sys->video_mode = DC1394_VIDEO_MODE_640x480_YUV422;
p_sys->width = 640;
p_sys->height = 480;
p_sys->frame_rate = DC1394_FRAMERATE_15;
p_sys->brightness = 200;
p_sys->focus = 0;
p_sys->fd_audio = -1;
p_sys->p_dccontext = NULL;
p_sys->camera = NULL;
p_sys->selected_camera = -1;
p_sys->dma_buffers = 1;
p_sys->reset_bus = 0;
/* PROCESS INPUT OPTIONS */
if( process_options(p_demux) != VLC_SUCCESS )
{
msg_Err( p_demux, "Bad MRL, please check the option line "
"(MRL was: %s)",
p_demux->psz_path );
free( p_sys );
return VLC_EGENERIC;
}
p_sys->p_dccontext = dc1394_new();
if( !p_sys->p_dccontext )
{
msg_Err( p_demux, "Failed to initialise libdc1394");
free( p_sys );
return VLC_EGENERIC;
}
if( FindCamera( p_sys, p_demux ) != VLC_SUCCESS )
{
dc1394_free( p_sys->p_dccontext );
free( p_sys );
return VLC_EGENERIC;
}
if( !p_sys->camera )
{
msg_Err( p_demux, "No camera found !!" );
dc1394_free( p_sys->p_dccontext );
free( p_sys );
return VLC_EGENERIC;
}
if( p_sys->reset_bus )
{
if( dc1394_reset_bus( p_sys->camera ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to reset IEEE 1394 bus");
Close( p_this );
return VLC_EGENERIC;
}
else msg_Dbg( p_demux, "Successfully reset IEEE 1394 bus");
}
if( dc1394_camera_reset( p_sys->camera ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to reset camera");
Close( p_this );
return VLC_EGENERIC;
}
if( dc1394_camera_print_info( p_sys->camera,
stderr ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to print camera info");
Close( p_this );
return VLC_EGENERIC;
}
if( dc1394_feature_get_all( p_sys->camera,
&p_sys->features ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to get feature set");
Close( p_this );
return VLC_EGENERIC;
}
// TODO: only print features if verbosity increased
dc1394_feature_print_all(&p_sys->features, stderr);
#if 0 //"Note that you need to execute this function only if you use exotic video1394 device names. /dev/video1394, /dev/video1394/* and /dev/video1394-* are automatically recognized." http://damien.douxchamps.net/ieee1394/libdc1394/v2.x/api/capture/
if( p_sys->video_device )
{
if( dc1394_capture_set_device_filename( p_sys->camera,
p_sys->video_device ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to set video device");
Close( p_this );
return VLC_EGENERIC;
}
}
#endif
if( p_sys->focus )
{
if( dc1394_feature_set_value( p_sys->camera,
DC1394_FEATURE_FOCUS,
p_sys->focus ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to set initial focus to %u",
p_sys->focus );
}
else
msg_Dbg( p_demux, "Initial focus set to %u", p_sys->focus );
}
if( dc1394_feature_set_value( p_sys->camera,
DC1394_FEATURE_FOCUS,
p_sys->brightness ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to set initial brightness to %u",
p_sys->brightness );
}
else
msg_Dbg( p_demux, "Initial brightness set to %u", p_sys->brightness );
if( dc1394_video_set_framerate( p_sys->camera,
p_sys->frame_rate ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to set framerate");
Close( p_this );
return VLC_EGENERIC;
}
if( dc1394_video_set_mode( p_sys->camera,
p_sys->video_mode ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to set video mode");
Close( p_this );
return VLC_EGENERIC;
}
if( dc1394_video_set_iso_speed( p_sys->camera,
DC1394_ISO_SPEED_400 ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to set iso speed");
Close( p_this );
return VLC_EGENERIC;
}
/* and setup capture */
res = dc1394_capture_setup( p_sys->camera,
p_sys->dma_buffers,
DC1394_CAPTURE_FLAGS_DEFAULT);
if( res != DC1394_SUCCESS )
{
if( res == DC1394_NO_BANDWIDTH )
{
msg_Err( p_demux ,"No bandwidth: try adding the "
"\"resetbus\" option" );
}
else
{
msg_Err( p_demux ,"Unable to setup capture" );
}
Close( p_this );
return VLC_EGENERIC;
}
/* TODO - UYV444 chroma converter is missing, when it will be available
* fourcc will become variable (and not just a fixed value for UYVY)
*/
i_width = p_sys->width;
i_height = p_sys->height;
if( picture_Setup( &p_sys->pic, VLC_CODEC_UYVY,
i_width, i_height, 1, 1 ) )
{
msg_Err( p_demux ,"unknown chroma" );
Close( p_this );
return VLC_EGENERIC;
}
es_format_Init( &fmt, VIDEO_ES, VLC_CODEC_UYVY );
fmt.video.i_width = i_width;
fmt.video.i_height = i_height;
msg_Dbg( p_demux, "Added new video es %4.4s %dx%d",
(char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
p_sys->p_es_video = es_out_Add( p_demux->out, &fmt );
if( p_sys->audio_device )
{
if( OpenAudioDev( p_demux ) == VLC_SUCCESS )
{
es_format_t fmt;
es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_S16L ); /* FIXME: hmm, ?? */
fmt.audio.i_channels = p_sys->channels ? p_sys->channels : 1;
fmt.audio.i_rate = p_sys->i_sample_rate;
fmt.audio.i_bitspersample = 16;
fmt.audio.i_blockalign = fmt.audio.i_channels *
fmt.audio.i_bitspersample / 8;
fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
fmt.audio.i_bitspersample;
msg_Dbg( p_demux, "New audio es %d channels %dHz",
fmt.audio.i_channels, fmt.audio.i_rate );
p_sys->p_es_audio = es_out_Add( p_demux->out, &fmt );
}
}
/* have the camera start sending us data */
if( dc1394_video_set_transmission( p_sys->camera,
DC1394_ON ) != DC1394_SUCCESS )
{
msg_Err( p_demux, "Unable to start camera iso transmission" );
dc1394_capture_stop( p_sys->camera );
Close( p_this );
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "Set iso transmission" );
// TODO: reread camera
return VLC_SUCCESS;
}
