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vlc/modules/access/dc1394.c

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/*****************************************************************************
* dc1394.c: firewire input module
*****************************************************************************
* Copyright (C) 2006 the VideoLAN team
*
* Authors: Xant Majere <xant@xant.net>
*
*****************************************************************************
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_input.h>
#include <vlc_vout.h>
#include <vlc_demux.h>
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#elif defined( WIN32 ) && !defined( UNDER_CE )
# include <io.h>
#endif
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include <libraw1394/raw1394.h>
#include <libdc1394/dc1394_control.h>
#define MAX_IEEE1394_HOSTS 32
#define MAX_CAMERA_NODES 32
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
static void OpenAudioDev( demux_t *p_demux );
static inline void CloseAudioDev( demux_t *p_demux );
vlc_module_begin ()
set_description( N_("dc1394 input") )
set_capability( "access_demux", 10 )
add_shortcut( "dc1394" )
set_callbacks( Open, Close )
vlc_module_end ()
typedef struct __dc_camera
{
int port;
nodeid_t node;
u_int64_t uid;
} dc_camera;
typedef struct demux_sys_t
{
dc1394_cameracapture camera;
picture_t pic;
int dma_capture;
#define DMA_OFF 0
#define DMA_ON 1
int num_ports;
int num_cameras;
int selected_camera;
u_int64_t selected_uid;
dc_camera *camera_nodes;
dc1394_camerainfo camera_info;
dc1394_miscinfo misc_info;
raw1394handle_t fd_video;
quadlet_t supported_framerates;
int width;
int height;
int frame_size;
int frame_rate;
unsigned int brightness;
unsigned int focus;
char *dma_device;
es_out_id_t *p_es_video;
/* audio stuff */
int i_sample_rate;
int channels;
int i_audio_max_frame_size;
int fd_audio;
char *audio_device;
#define NO_ROTATION 0
#define ROTATION_LEFT 1
#define ROTATION_RIGHT 2
es_out_id_t *p_es_audio;
} dc1394_sys;
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux( demux_t *p_demux );
static int Control( demux_t *, int, va_list );
static block_t *GrabVideo( demux_t *p_demux );
static block_t *GrabAudio( demux_t *p_demux );
static int process_options( demux_t *p_demux);
/*****************************************************************************
* ScanCameras
*****************************************************************************/
static void ScanCameras( dc1394_sys *sys, demux_t *p_demux )
{
struct raw1394_portinfo portinfo[MAX_IEEE1394_HOSTS];
raw1394handle_t tempFd;
dc1394_camerainfo info;
dc_camera *node_list = NULL;
nodeid_t *nodes = NULL;
int num_ports = 0;
int num_cameras = 0;
int nodecount;
int i, n;
memset( &portinfo, 0, sizeof(portinfo) );
msg_Dbg( p_demux, "Scanning for ieee1394 ports ..." );
tempFd = raw1394_new_handle();
if( !tempFd )
return VLC_EGENERIC;
raw1394_get_port_info( tempFd, portinfo, MAX_IEEE1394_HOSTS);
raw1394_destroy_handle( tempFd );
for( i=0; i < MAX_IEEE1394_HOSTS; i++ )
{
/* check if port exists and has at least one node*/
if( !portinfo[i].nodes )
continue;
nodes = NULL;
nodecount = 0;
tempFd = dc1394_create_handle( i );
/* skip this port if we can't obtain a valid handle */
if( !tempFd )
continue;
msg_Dbg( p_demux, "Found ieee1394 port %d (%s) ... "
"checking for camera nodes",
i, portinfo[i].name );
num_ports++;
nodes = dc1394_get_camera_nodes( tempFd, &nodecount, 0 );
if( nodecount )
{
msg_Dbg( p_demux, "Found %d dc1394 cameras on port %d (%s)",
nodecount, i, portinfo[i].name );
if( node_list )
node_list = realloc( node_list, sizeof(dc_camera) * (num_cameras+nodecount) );
else
node_list = malloc( sizeof(dc_camera) * nodecount);
for( n = 0; n < nodecount; n++ )
{
int result = 0;
result = dc1394_get_camera_info( tempFd, nodes[n], &info );
if( result == DC1394_SUCCESS )
{
node_list[num_cameras+n].uid = info.euid_64;
}
node_list[num_cameras+n].node = nodes[n];
node_list[num_cameras+n].port = i;
}
num_cameras += nodecount;
}
else
msg_Dbg( p_demux, "no cameras found on port %d (%s)",
i, portinfo[i].name );
if( tempFd )
dc1394_destroy_handle( tempFd );
}
sys->num_ports = num_ports;
sys->num_cameras = num_cameras;
sys->camera_nodes = node_list;
}
/*****************************************************************************
* 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 i_aspect;
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;
i_aspect = vout_InitPicture( VLC_OBJECT(p_demux), &p_sys->pic,
VLC_FOURCC('U', 'Y', 'V', 'Y'),
i_width, i_height,
i_width * VOUT_ASPECT_FACTOR / i_height );
es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC('U', 'Y', 'V', 'Y') );
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_FOURCC('a','r','a','w') );
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; /* FIXME: hmm, ?? */
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 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;
}
static inline void CloseAudioDev( demux_t *p_demux )
{
demux_sys_t *p_sys = NULL;
if( p_demux )
{
p_sys = p_demux->p_sys;
if( p_sys->fd_audio >= 0 )
close( p_sys->fd_audio );
}
}
/*****************************************************************************
* 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 MovePixelUYVY( void *src, int spos, void *dst, int dpos )
{
char u,v,y;
u_char *sc;
u_char *dc;
sc = (u_char *)src + (spos*2);
if( spos % 2 )
{
v = sc[0];
y = sc[1];
u = *(sc -2);
}
else
{
u = sc[0];
y = sc[1];
v = sc[2];
}
dc = (u_char *)dst+(dpos*2);
if( dpos % 2 )
{
dc[0] = v;
dc[1] = y;
}
else
{
dc[0] = u;
dc[1] = y;
}
}
/*****************************************************************************
* Demux:
*****************************************************************************/
static block_t *GrabVideo( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block = NULL;
int result = 0;
if( p_sys->dma_capture )
{
result = dc1394_dma_single_capture( &p_sys->camera );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to capture a frame" );
return NULL;
}
}
else
{
result = dc1394_single_capture( p_sys->camera_info.handle,
&p_sys->camera );
if( result != DC1394_SUCCESS )
{
msg_Err( p_demux, "unable to capture a frame" );
return NULL;
}
}
p_block = block_New( p_demux, p_sys->camera.frame_width *
p_sys->camera.frame_height * 2 );
if( !p_block )
{
msg_Err( p_demux, "cannot get block" );
return NULL;
}
if( !p_sys->camera.capture_buffer )
{
msg_Err (p_demux, "caputer buffer empty");
block_Release( p_block );
return NULL;
}
memcpy( p_block->p_buffer, (const char *)p_sys->camera.capture_buffer,
p_sys->camera.frame_width * p_sys->camera.frame_height * 2 );
p_block->i_pts = p_block->i_dts = mdate();
if( p_sys->dma_capture )
dc1394_dma_done_with_buffer( &p_sys->camera );
return p_block;
}
static block_t *GrabAudio( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
struct audio_buf_info buf_info;
block_t *p_block = NULL;
int i_read = 0;
int i_correct = 0;
int result = 0;
p_block = block_New( p_demux, p_sys->i_audio_max_frame_size );
if( !p_block )
{
msg_Warn( p_demux, "cannot get buffer" );
return NULL;
}
i_read = read( p_sys->fd_audio, p_block->p_buffer,
p_sys->i_audio_max_frame_size );
if( i_read <= 0 )
return NULL;
p_block->i_buffer = i_read;
/* Correct the date because of kernel buffering */
i_correct = i_read;
result = ioctl( p_sys->fd_audio, SNDCTL_DSP_GETISPACE, &buf_info );
if( result == 0 )
i_correct += buf_info.bytes;
p_block->i_pts = p_block->i_dts =
mdate() - INT64_C(1000000) * (mtime_t)i_correct /
2 / p_sys->channels / p_sys->i_sample_rate;
return p_block;
}
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_blocka = NULL;
block_t *p_blockv = NULL;
/* Try grabbing audio frames first */
if( p_sys->fd_audio > 0 )
p_blocka = GrabAudio( p_demux );
/* Try grabbing video frame */
if( (int)p_sys->fd_video > 0 )
p_blockv = GrabVideo( p_demux );
if( !p_blocka && !p_blockv )
{
/* Sleep so we do not consume all the cpu, 10ms seems
* like a good value (100fps)
*/
msleep( 10000 );
return 1;
}
if( p_blocka )
{
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blocka->i_pts );
es_out_Send( p_demux->out, p_sys->p_es_audio, p_blocka );
}
if( p_blockv )
{
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blockv->i_pts );
es_out_Send( p_demux->out, p_sys->p_es_video, p_blockv );
}
return 1;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
bool *pb;
int64_t *pi64;
switch( i_query )
{
/* Special for access_demux */
case DEMUX_CAN_PAUSE:
case DEMUX_CAN_SEEK:
case DEMUX_SET_PAUSE_STATE:
case DEMUX_CAN_CONTROL_PACE:
pb = (bool*)va_arg( args, bool * );
*pb = false;
return VLC_SUCCESS;
case DEMUX_GET_PTS_DELAY:
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = (int64_t)DEFAULT_PTS_DELAY;
return VLC_SUCCESS;
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = mdate();
return VLC_SUCCESS;
/* TODO implement others */
default:
return VLC_EGENERIC;
}
return VLC_EGENERIC;
}
static int process_options( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
char *psz_dup;
char *psz_parser;
char *token = NULL;
char *state = NULL;
float rate_f;
psz_dup = strdup( p_demux->psz_path );
psz_parser = psz_dup;
for( token = strtok_r( psz_parser,":",&state); token;
token = strtok_r( NULL, ":", &state ) )
{
if( strncmp( token, "size=", strlen("size=") ) == 0 )
{
token += strlen("size=");
if( strncmp( token, "160x120", 7 ) == 0 )
{
/* TODO - UYV444 chroma converter is needed ...
* video size of 160x120 is temporarily disabled
*/
msg_Err( p_demux,
"video size of 160x120 is actually disabled for lack of chroma "
"support. It will relased ASAP, until then try an higher size "
"(320x240 and 640x480 are fully supported)" );
free( psz_dup );
return VLC_EGENERIC;
#if 0
p_sys->frame_size = MODE_160x120_YUV444;
p_sys->width = 160;
p_sys->height = 120;
#endif
}
else if( strncmp( token, "320x240", 7 ) == 0 )
{
p_sys->frame_size = MODE_320x240_YUV422;
p_sys->width = 320;
p_sys->height = 240;
}
else if( strncmp( token, "640x480", 7 ) == 0 )
{
p_sys->frame_size = MODE_640x480_YUV422;
p_sys->width = 640;
p_sys->height = 480;
}
else
{
msg_Err( p_demux,
"This program currently suppots frame sizes of"
" 160x120, 320x240, and 640x480. "
"Please specify one of them. You have specified %s.",
token );
free( psz_dup );
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "Requested video size : %s",token );
}
else if( strncmp( token, "fps=", strlen( "fps=" ) ) == 0 )
{
token += strlen("fps=");
sscanf( token, "%g", &rate_f );
if( rate_f == 1.875 )
p_sys->frame_rate = FRAMERATE_1_875;
else if( rate_f == 3.75 )
p_sys->frame_rate = FRAMERATE_3_75;
else if( rate_f == 7.5 )
p_sys->frame_rate = FRAMERATE_7_5;
else if( rate_f == 15 )
p_sys->frame_rate = FRAMERATE_15;
else if( rate_f == 30 )
p_sys->frame_rate = FRAMERATE_30;
else if( rate_f == 60 )
p_sys->frame_rate = FRAMERATE_60;
else
{
msg_Err( p_demux ,
"This program supports framerates of"
" 1.875, 3.75, 7.5, 15, 30, 60. "
"Please specify one of them. You have specified %s.",
token);
free( psz_dup );
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "Requested frame rate : %s",token );
}
else if( strncmp( token, "brightness=", strlen( "brightness=" ) ) == 0 )
{
int nr = 0;
token += strlen("brightness=");
nr = sscanf( token, "%u", &p_sys->brightness);
if( nr != 1 )
{
msg_Err( p_demux, "Bad brightness value '%s', "
"must be an unsigned integer.",
token );
free( psz_dup );
return VLC_EGENERIC;
}
}
#if 0
else if( strncmp( token, "controller=", strlen( "controller=" ) ) == 0 )
{
int nr = 0;
token += strlen("controller=");
nr = sscanf( token, "%u", &p_sys->controller );
if( nr != 1)
{
msg_Err(p_demux, "Bad controller value '%s', "
"must be an unsigned integer.",
token );
return VLC_EGENERIC;
}
}
#endif
else if( strncmp( token, "camera=", strlen( "camera=" ) ) == 0 )
{
int nr = 0;
token += strlen("camera=");
nr = sscanf(token,"%u",&p_sys->selected_camera);
if( nr != 1)
{
msg_Err( p_demux, "Bad camera number '%s', "
"must be an unsigned integer.",
token );
free( psz_dup );
return VLC_EGENERIC;
}
}
else if( strncmp( token, "capture=", strlen( "capture=" ) ) == 0)
{
token += strlen("capture=");
if( strncmp(token, "raw1394",7) == 0 )
{
msg_Dbg( p_demux, "DMA capture disabled!" );
p_sys->dma_capture = DMA_OFF;
}
else if( strncmp(token,"video1394",9) == 0 )
{
msg_Dbg( p_demux, "DMA capture enabled!" );
p_sys->dma_capture = DMA_ON;
}
else
{
msg_Err(p_demux, "Bad capture method value '%s', "
"it can be 'raw1394' or 'video1394'.",
token );
free( psz_dup );
return VLC_EGENERIC;
}
}
else if( strncmp( token, "adev=", strlen( "adev=" ) ) == 0 )
{
token += strlen("adev=");
p_sys->audio_device = strdup(token);
msg_Dbg( p_demux, "Using audio device '%s'.", token );
}
else if( strncmp( token, "samplerate=", strlen( "samplerate=" ) ) == 0 )
{
token += strlen("samplerate=");
sscanf( token, "%d", &p_sys->i_sample_rate );
}
else if( strncmp( token, "channels=", strlen("channels=" ) ) == 0 )
{
token += strlen("channels=");
sscanf( token, "%d", &p_sys->channels );
}
else if( strncmp( token, "focus=", strlen("focus=" ) ) == 0)
{
token += strlen("focus=");
sscanf( token, "%u", &p_sys->focus );
}
else if( strncmp( token, "uid=", strlen("uid=") ) == 0)
{
token += strlen("uid=");
sscanf( token, "0x%llx", &p_sys->selected_uid );
}
}
free( psz_dup );
return VLC_SUCCESS;
}
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