picture_t *picture_NewFromResource( const video_format_t *p_fmt, const picture_resource_t *p_resource )
{
video_format_t fmt = *p_fmt;
/* It is needed to be sure all information are filled */
video_format_Setup( &fmt, p_fmt->i_chroma,
p_fmt->i_width, p_fmt->i_height,
p_fmt->i_visible_width, p_fmt->i_visible_height,
p_fmt->i_sar_num, p_fmt->i_sar_den );
if( p_fmt->i_x_offset < p_fmt->i_width &&
p_fmt->i_y_offset < p_fmt->i_height &&
p_fmt->i_visible_width > 0 && p_fmt->i_x_offset + p_fmt->i_visible_width <= p_fmt->i_width &&
p_fmt->i_visible_height > 0 && p_fmt->i_y_offset + p_fmt->i_visible_height <= p_fmt->i_height )
video_format_CopyCrop( &fmt, p_fmt );
/* */
picture_t *p_picture = calloc( 1, sizeof(*p_picture) );
if( !p_picture )
return NULL;
/* Make sure the real dimensions are a multiple of 16 */
if( picture_Setup( p_picture, &fmt ) )
{
free( p_picture );
return NULL;
}
if( p_resource )
{
p_picture->p_sys = p_resource->p_sys;
p_picture->gc.pf_destroy = p_resource->pf_destroy;
assert( p_picture->gc.p_sys == NULL );
for( int i = 0; i < p_picture->i_planes; i++ )
{
p_picture->p[i].p_pixels = p_resource->p[i].p_pixels;
p_picture->p[i].i_lines = p_resource->p[i].i_lines;
p_picture->p[i].i_pitch = p_resource->p[i].i_pitch;
}
}
else
{
if( AllocatePicture( p_picture ) )
{
free( p_picture );
return NULL;
}
}
/* */
p_picture->format = fmt;
atomic_init( &p_picture->gc.refcount, 1 );
if( p_picture->gc.pf_destroy == NULL )
p_picture->gc.pf_destroy = PictureDestroy;
return p_picture;
}
picture_t *picture_NewFromResource( const video_format_t *p_fmt, const picture_resource_t *p_resource )
{
video_format_t fmt = *p_fmt;
/* It is needed to be sure all information are filled */
video_format_Setup( &fmt, p_fmt->i_chroma,
p_fmt->i_width, p_fmt->i_height,
p_fmt->i_sar_num, p_fmt->i_sar_den );
if( p_fmt->i_x_offset < p_fmt->i_width &&
p_fmt->i_y_offset < p_fmt->i_height &&
p_fmt->i_visible_width > 0 && p_fmt->i_x_offset + p_fmt->i_visible_width <= p_fmt->i_width &&
p_fmt->i_visible_height > 0 && p_fmt->i_y_offset + p_fmt->i_visible_height <= p_fmt->i_height )
video_format_CopyCrop( &fmt, p_fmt );
/* */
picture_t *p_picture = calloc( 1, sizeof(*p_picture) );
if( !p_picture )
return NULL;
if( p_resource )
{
if( picture_Setup( p_picture, fmt.i_chroma, fmt.i_width, fmt.i_height,
fmt.i_sar_num, fmt.i_sar_den ) )
{
free( p_picture );
return NULL;
}
p_picture->p_sys = p_resource->p_sys;
for( int i = 0; i < p_picture->i_planes; i++ )
{
p_picture->p[i].p_pixels = p_resource->p[i].p_pixels;
p_picture->p[i].i_lines = p_resource->p[i].i_lines;
p_picture->p[i].i_pitch = p_resource->p[i].i_pitch;
}
}
else
{
if( vout_AllocatePicture( p_picture,
fmt.i_chroma, fmt.i_width, fmt.i_height,
fmt.i_sar_num, fmt.i_sar_den ) )
{
free( p_picture );
return NULL;
}
}
/* */
p_picture->format = fmt;
p_picture->i_refcount = 1;
p_picture->pf_release = PictureReleaseCallback;
return p_picture;
}
/*****************************************************************************
* SendFrame: send a video frame to the stream output.
*****************************************************************************/
static block_t *SendFrame( decoder_t *p_dec, block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
p_block->i_dts = p_block->i_pts = date_Get( &p_sys->pts );
if( p_sys->b_invert )
{
picture_t pic;
uint8_t *p_tmp, *p_pixels;
int i, j;
/* Fill in picture_t fields */
picture_Setup( &pic, p_dec->fmt_out.i_codec,
p_dec->fmt_out.video.i_width,
p_dec->fmt_out.video.i_height, 0, 1 );
if( !pic.i_planes )
{
msg_Err( p_dec, "unsupported chroma" );
return p_block;
}
p_tmp = (uint8_t *)malloc( pic.p[0].i_pitch ); // sunqueen modify
if( !p_tmp )
return p_block;
p_pixels = p_block->p_buffer;
for( i = 0; i < pic.i_planes; i++ )
{
int i_pitch = pic.p[i].i_pitch;
uint8_t *p_top = p_pixels;
uint8_t *p_bottom = p_pixels + i_pitch *
(pic.p[i].i_visible_lines - 1);
for( j = 0; j < pic.p[i].i_visible_lines / 2; j++ )
{
memcpy( p_tmp, p_bottom, pic.p[i].i_visible_pitch );
memcpy( p_bottom, p_top, pic.p[i].i_visible_pitch );
memcpy( p_top, p_tmp, pic.p[i].i_visible_pitch );
p_top += i_pitch;
p_bottom -= i_pitch;
}
p_pixels += i_pitch * pic.p[i].i_lines;
}
free( p_tmp );
}
return p_block;
}
/**
* Allocate a new picture in the heap.
*
* This function allocates a fake direct buffer in memory, which can be
* used exactly like a video buffer. The video output thread then manages
* how it gets displayed.
*/
static int vout_AllocatePicture( picture_t *p_pic,
vlc_fourcc_t i_chroma,
int i_width, int i_height,
int i_sar_num, int i_sar_den )
{
/* Make sure the real dimensions are a multiple of 16 */
if( picture_Setup( p_pic, i_chroma, i_width, i_height,
i_sar_num, i_sar_den ) != VLC_SUCCESS )
return VLC_EGENERIC;
/* Calculate how big the new image should be */
size_t i_bytes = 0;
for( int i = 0; i < p_pic->i_planes; i++ )
{
const plane_t *p = &p_pic->p[i];
if( p->i_pitch <= 0 || p->i_lines <= 0 ||
p->i_pitch > (SIZE_MAX - i_bytes)/p->i_lines )
{
p_pic->i_planes = 0;
return VLC_ENOMEM;
}
i_bytes += p->i_pitch * p->i_lines;
}
uint8_t *p_data = vlc_memalign( &p_pic->p_data_orig, 16, i_bytes );
if( !p_data )
{
p_pic->i_planes = 0;
return VLC_EGENERIC;
}
/* Fill the p_pixels field for each plane */
p_pic->p[0].p_pixels = p_data;
for( int i = 1; i < p_pic->i_planes; i++ )
{
p_pic->p[i].p_pixels = &p_pic->p[i-1].p_pixels[ p_pic->p[i-1].i_lines *
p_pic->p[i-1].i_pitch ];
}
return VLC_SUCCESS;
}
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
switch( p_dec->fmt_in.i_codec )
{
/* Planar YUV */
case VLC_CODEC_I444:
case VLC_CODEC_J444:
case VLC_CODEC_I440:
case VLC_CODEC_J440:
case VLC_CODEC_I422:
case VLC_CODEC_J422:
case VLC_CODEC_I420:
case VLC_CODEC_J420:
case VLC_CODEC_YV12:
case VLC_CODEC_YV9:
case VLC_CODEC_I411:
case VLC_CODEC_I410:
case VLC_CODEC_GREY:
case VLC_CODEC_YUVP:
case VLC_CODEC_NV12:
case VLC_CODEC_NV21:
case VLC_CODEC_I422_10L:
case VLC_CODEC_I422_10B:
/* Packed YUV */
case VLC_CODEC_YUYV:
case VLC_CODEC_YVYU:
case VLC_CODEC_UYVY:
case VLC_CODEC_VYUY:
/* RGB */
case VLC_CODEC_RGB32:
case VLC_CODEC_RGB24:
case VLC_CODEC_RGB16:
case VLC_CODEC_RGB15:
case VLC_CODEC_RGB8:
case VLC_CODEC_RGBP:
case VLC_CODEC_RGBA:
break;
default:
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
return VLC_ENOMEM;
/* Misc init */
p_dec->p_sys->b_packetizer = false;
p_sys->b_invert = false;
if( (int)p_dec->fmt_in.video.i_height < 0 )
{
/* Frames are coded from bottom to top */
p_dec->fmt_in.video.i_height =
(unsigned int)(-(int)p_dec->fmt_in.video.i_height);
p_sys->b_invert = true;
}
if( !p_dec->fmt_in.video.i_visible_width )
p_dec->fmt_in.video.i_visible_width = p_dec->fmt_in.video.i_width;
if( !p_dec->fmt_in.video.i_visible_height )
p_dec->fmt_in.video.i_visible_height = p_dec->fmt_in.video.i_height;
if( p_dec->fmt_in.video.i_visible_width <= 0
|| p_dec->fmt_in.video.i_visible_height <= 0 )
{
msg_Err( p_dec, "invalid display size %dx%d",
p_dec->fmt_in.video.i_width, p_dec->fmt_in.video.i_height );
return VLC_EGENERIC;
}
es_format_Copy( &p_dec->fmt_out, &p_dec->fmt_in );
date_Init( &p_sys->pts, p_dec->fmt_out.video.i_frame_rate,
p_dec->fmt_out.video.i_frame_rate_base );
if( p_dec->fmt_out.video.i_frame_rate == 0 ||
p_dec->fmt_out.video.i_frame_rate_base == 0)
{
msg_Warn( p_dec, "invalid frame rate %d/%d, using 25 fps instead",
p_dec->fmt_out.video.i_frame_rate,
p_dec->fmt_out.video.i_frame_rate_base);
date_Init( &p_sys->pts, 25, 1 );
}
/* Find out p_vdec->i_raw_size */
video_format_Setup( &p_dec->fmt_out.video, p_dec->fmt_in.i_codec,
p_dec->fmt_in.video.i_visible_width,
p_dec->fmt_in.video.i_visible_height,
p_dec->fmt_in.video.i_sar_num,
p_dec->fmt_in.video.i_sar_den );
picture_t picture;
picture_Setup( &picture, p_dec->fmt_out.i_codec,
p_dec->fmt_in.video.i_width,
p_dec->fmt_in.video.i_height, 0, 1 );
p_sys->i_raw_size = 0;
for( int i = 0; i < picture.i_planes; i++ )
{
p_sys->i_raw_size += picture.p[i].i_visible_pitch *
picture.p[i].i_visible_lines;
p_sys->planes[i] = picture.p[i];
}
if( !p_dec->fmt_in.video.i_sar_num || !p_dec->fmt_in.video.i_sar_den )
{
p_dec->fmt_out.video.i_sar_num = 1;
p_dec->fmt_out.video.i_sar_den = 1;
}
/* Set callbacks */
p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
DecodeBlock;
p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
DecodeBlock;
return VLC_SUCCESS;
}
/*****************************************************************************
* UnpackFromFile: Read a YUV picture and store it in our format
*****************************************************************************/
static int UnpackFromFile( sout_stream_t *p_stream, const char *psz_file,
int i_width, int i_height,
picture_t *p_pic )
{
int i, j;
FILE *p_file = utf8_fopen( psz_file, "r" );
if ( p_file == NULL )
{
msg_Err( p_stream, "file %s not found", psz_file );
return -1;
}
if( picture_Setup( p_pic, VLC_CODEC_I420,
i_width, i_height,
i_width * VOUT_ASPECT_FACTOR / i_height ) )
{
msg_Err( p_stream, "unknown chroma" );
return -1;
}
for ( i = 0; i < p_pic->i_planes; i++ )
{
p_pic->p[i].p_pixels = malloc( p_pic->p[i].i_lines *
p_pic->p[i].i_pitch );
memset( p_pic->p[i].p_pixels, 0, p_pic->p[i].i_lines *
p_pic->p[i].i_pitch );
}
for ( i = 0; i < i_height; i++ )
{
int i_chroma;
uint8_t p_buffer[i_width * 2];
uint8_t *p_char = p_buffer;
uint8_t *p_y = &p_pic->p[0].p_pixels[i * p_pic->p[0].i_pitch];
uint8_t *p_u = &p_pic->p[1].p_pixels[i/2 * p_pic->p[1].i_pitch];
uint8_t *p_v = &p_pic->p[2].p_pixels[i/2 * p_pic->p[2].i_pitch];
if ( fread( p_buffer, 2, i_width, p_file ) != (size_t)i_width )
{
msg_Err( p_stream, "premature end of file %s", psz_file );
fclose( p_file );
for ( i = 0; i < p_pic->i_planes; i++ )
{
free( p_pic->p[i].p_pixels );
}
return -1;
}
i_chroma = 0;
for ( j = 0; j < i_width; j++ )
{
uint8_t **pp_chroma = i_chroma ? &p_v : &p_u;
i_chroma = !i_chroma;
if ( i & 1 )
**pp_chroma = (**pp_chroma + *p_char + 1) / 2;
else
**pp_chroma = *p_char;
(*pp_chroma)++;
p_char++;
*p_y++ = *p_char++;
}
}
fclose( p_file );
return 0;
}
/*****************************************************************************
* 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;
}
/*****************************************************************************
* 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;
int i;
int i_width;
int i_height;
int result = 0;
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->frame_size = MODE_640x480_YUV422;
p_sys->width = 640;
p_sys->height = 480;
p_sys->frame_rate = FRAMERATE_30;
p_sys->brightness = 200;
p_sys->focus = 0;
p_sys->dma_capture = DMA_ON; /* defaults to VIDEO1394 capture mode */
p_sys->fd_audio = -1;
p_sys->fd_video = NULL;
p_sys->camera_nodes = NULL;
p_sys->selected_camera = 0;
p_sys->dma_device = NULL;
p_sys->selected_uid = 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 );
p_demux->p_sys = NULL;
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "Selected camera %d", p_sys->selected_camera );
msg_Dbg( p_demux, "Selected uid 0x%llx", p_sys->selected_uid );
ScanCameras( p_sys, p_demux );
if( !p_sys->camera_nodes )
{
msg_Err( p_demux, "No camera found !!" );
free( p_sys );
p_demux->p_sys = NULL;
return VLC_EGENERIC;
}
if( p_sys->selected_uid )
{
int found = 0;
for( i=0; i < p_sys->num_cameras; i++ )
{
if( p_sys->camera_nodes[i].uid == p_sys->selected_uid )
{
p_sys->selected_camera = i;
found++;
break;
}
}
if( !found )
{
msg_Err( p_demux, "Can't find camera with uid : 0x%llx.",
p_sys->selected_uid );
Close( p_this );
return VLC_EGENERIC;
}
}
else if( p_sys->selected_camera >= p_sys->num_cameras )
{
msg_Err( p_demux, "there are not this many cameras. (%d/%d)",
p_sys->selected_camera, p_sys->num_cameras );
Close( p_this );
return VLC_EGENERIC;
}
p_sys->fd_video = dc1394_create_handle(
p_sys->camera_nodes[p_sys->selected_camera].port );
if( (int)p_sys->fd_video < 0 )
{
msg_Err( p_demux, "Can't init dc1394 handle" );
Close( p_this );
return VLC_EGENERIC;
}
/* get camera info */
result = dc1394_get_camera_info( p_sys->fd_video,
p_sys->camera_nodes[p_sys->selected_camera].node,
&p_sys->camera_info );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux ,"unable to get camera info" );
Close( p_this );
return VLC_EGENERIC;
}
dc1394_print_camera_info( &p_sys->camera_info );
result = dc1394_get_camera_misc_info( p_sys->fd_video,
p_sys->camera_nodes[p_sys->selected_camera].node,
&p_sys->misc_info );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to get camera misc info" );
Close( p_this );
return VLC_EGENERIC;
}
/* init camera and set some video options */
result = dc1394_init_camera( p_sys->camera_info.handle,
p_sys->camera_info.id );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to get init dc1394 camera" );
Close( p_this );
return VLC_EGENERIC;
}
if( p_sys->focus )
{
result = dc1394_set_focus( p_sys->camera_info.handle,
p_sys->camera_nodes[p_sys->selected_camera].node,
p_sys->focus );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to set initial focus to %u",
p_sys->focus );
}
msg_Dbg( p_demux, "Initial focus set to %u", p_sys->focus );
}
result = dc1394_set_brightness( p_sys->camera_info.handle,
p_sys->camera_nodes[p_sys->selected_camera].node,
p_sys->brightness );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to set init brightness to %d",
p_sys->brightness);
Close( p_this );
return VLC_EGENERIC;
}
result = dc1394_set_video_framerate( p_sys->camera_info.handle,
p_sys->camera_nodes[p_sys->selected_camera].node,
p_sys->frame_rate );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to set framerate to %d",
p_sys->frame_rate );
Close( p_this );
return VLC_EGENERIC;
}
p_sys->misc_info.framerate = p_sys->frame_rate;
result = dc1394_set_video_format( p_sys->camera_info.handle,
p_sys->camera_nodes[p_sys->selected_camera].node,
FORMAT_VGA_NONCOMPRESSED );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to set video format to VGA_NONCOMPRESSED" );
Close( p_this );
return VLC_EGENERIC;
}
p_sys->misc_info.format = FORMAT_VGA_NONCOMPRESSED;
result = dc1394_set_video_mode( p_sys->camera_info.handle,
p_sys->camera_nodes[p_sys->selected_camera].node,
p_sys->frame_size );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to set video mode" );
Close( p_this );
return VLC_EGENERIC;
}
p_sys->misc_info.mode = p_sys->frame_size;
/* reprobe everything */
result = dc1394_get_camera_info( p_sys->camera_info.handle,
p_sys->camera_info.id,
&p_sys->camera_info );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "Could not get camera basic information!" );
Close( p_this );
return VLC_EGENERIC;
}
result = dc1394_get_camera_misc_info( p_sys->camera_info.handle,
p_sys->camera_info.id,
&p_sys->misc_info );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "Could not get camera misc information!" );
Close( p_this );
return VLC_EGENERIC;
}
/* set iso_channel */
result = dc1394_set_iso_channel_and_speed( p_sys->camera_info.handle,
p_sys->camera_info.id,
p_sys->selected_camera,
SPEED_400 );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "Could not set iso channel!" );
Close( p_this );
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "Using ISO channel %d", p_sys->misc_info.iso_channel );
p_sys->misc_info.iso_channel = p_sys->selected_camera;
/* and setup capture */
if( p_sys->dma_capture )
{
result = dc1394_dma_setup_capture( p_sys->camera_info.handle,
p_sys->camera_info.id,
p_sys->misc_info.iso_channel,
p_sys->misc_info.format,
p_sys->misc_info.mode,
SPEED_400,
p_sys->misc_info.framerate,
10, 0,
p_sys->dma_device,
&p_sys->camera );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux ,"unable to setup camera" );
Close( p_this );
return VLC_EGENERIC;
}
}
else
{
result = dc1394_setup_capture( p_sys->camera_info.handle,
p_sys->camera_info.id,
p_sys->misc_info.iso_channel,
p_sys->misc_info.format,
p_sys->misc_info.mode,
SPEED_400,
p_sys->misc_info.framerate,
&p_sys->camera );
if( result != DC1394_SUCCESS)
{
msg_Err( p_demux ,"unable to setup camera" );
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->camera.frame_width;
i_height = p_sys->camera.frame_height;
if( picture_Setup( &p_sys->pic, VLC_CODEC_UYVY,
i_width, i_height,
i_width * VOUT_ASPECT_FACTOR / i_height ) )
{
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 )
{
OpenAudioDev( p_demux );
if( p_sys->fd_audio >= 0 )
{
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 */
result = dc1394_start_iso_transmission( p_sys->camera_info.handle,
p_sys->camera_info.id );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to start camera iso transmission" );
if( p_sys->dma_capture )
{
dc1394_dma_release_camera( p_sys->fd_video, &p_sys->camera );
}
else
{
dc1394_release_camera( p_sys->fd_video, &p_sys->camera );
}
Close( p_this );
return VLC_EGENERIC;
}
p_sys->misc_info.is_iso_on = DC1394_TRUE;
return VLC_SUCCESS;
}
static int
EvasImageBuffersAlloc( vout_display_t *vd, video_format_t *p_fmt )
{
vout_display_sys_t *sys = vd->sys;
picture_t *p_pic = NULL;
picture_resource_t rsc;
size_t i_bytes = 0;
memset(&rsc, 0, sizeof(picture_resource_t));
if( !( p_pic = picture_NewFromResource( p_fmt, &rsc ) ) )
return -1;
if( picture_Setup( p_pic, p_fmt ) )
{
picture_Release( p_pic );
return -1;
}
for( int i = 0; i < p_pic->i_planes; ++i )
memcpy( &sys->p_planes[i], &p_pic->p[i], sizeof(plane_t));
sys->i_nb_planes = p_pic->i_planes;
picture_Release( p_pic );
if( !( sys->p_buffers = calloc( sys->i_nb_buffers, sizeof(struct buffer) ) ) )
goto error;
/* Calculate how big the new image should be */
for( unsigned int i = 0; i < sys->i_nb_planes; i++ )
{
const plane_t *p = &sys->p_planes[i];
if( p->i_pitch < 0 || p->i_lines <= 0 ||
(size_t)p->i_pitch > (SIZE_MAX - i_bytes)/p->i_lines )
goto error;
i_bytes += p->i_pitch * p->i_lines;
}
if( !i_bytes )
goto error;
for( unsigned int i = 0; i < sys->i_nb_buffers; ++i )
{
struct buffer *p_buffer = &sys->p_buffers[i];
p_buffer->p[0] = aligned_alloc( 16, i_bytes );
if( !p_buffer->p[0] )
{
sys->i_nb_buffers = i;
break;
}
for( unsigned int j = 1; j < sys->i_nb_planes; j++ )
p_buffer->p[j] = &p_buffer->p[j-1][ sys->p_planes[j-1].i_lines *
sys->p_planes[j-1].i_pitch ];
}
return 0;
error:
if( sys->p_buffers )
EvasImageBuffersFree( vd );
return -1;
}
