1 /*****************************************************************************
2 * dc1394.c: firewire input module
3 *****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
6 * Authors: Xant Majere <xant@xant.net>
8 *****************************************************************************
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation;
12 * version 2 of the License.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35 #include <vlc_input.h>
36 #include <vlc_demux.h>
44 #elif defined( WIN32 ) && !defined( UNDER_CE )
48 #include <sys/ioctl.h>
49 #include <sys/soundcard.h>
51 #include <libraw1394/raw1394.h>
52 #include <libdc1394/dc1394_control.h>
54 #define MAX_IEEE1394_HOSTS 32
55 #define MAX_CAMERA_NODES 32
57 /*****************************************************************************
59 *****************************************************************************/
60 static int Open ( vlc_object_t * );
61 static void Close( vlc_object_t * );
62 static void OpenAudioDev( demux_t *p_demux );
63 static inline void CloseAudioDev( demux_t *p_demux );
66 set_description( N_("dc1394 input") )
67 set_capability( "access_demux", 10 )
68 add_shortcut( "dc1394" )
69 set_callbacks( Open, Close )
72 typedef struct __dc_camera
79 typedef struct demux_sys_t
81 dc1394_cameracapture camera;
89 u_int64_t selected_uid;
91 dc_camera *camera_nodes;
92 dc1394_camerainfo camera_info;
93 dc1394_miscinfo misc_info;
94 raw1394handle_t fd_video;
95 quadlet_t supported_framerates;
101 unsigned int brightness;
104 es_out_id_t *p_es_video;
109 int i_audio_max_frame_size;
112 #define NO_ROTATION 0
113 #define ROTATION_LEFT 1
114 #define ROTATION_RIGHT 2
115 es_out_id_t *p_es_audio;
118 /*****************************************************************************
120 *****************************************************************************/
121 static int Demux( demux_t *p_demux );
122 static int Control( demux_t *, int, va_list );
123 static block_t *GrabVideo( demux_t *p_demux );
124 static block_t *GrabAudio( demux_t *p_demux );
125 static int process_options( demux_t *p_demux);
127 /*****************************************************************************
129 *****************************************************************************/
130 static void ScanCameras( dc1394_sys *sys, demux_t *p_demux )
132 struct raw1394_portinfo portinfo[MAX_IEEE1394_HOSTS];
133 raw1394handle_t tempFd;
134 dc1394_camerainfo info;
135 dc_camera *node_list = NULL;
136 nodeid_t *nodes = NULL;
142 memset( &portinfo, 0, sizeof(portinfo) );
144 msg_Dbg( p_demux, "Scanning for ieee1394 ports ..." );
146 tempFd = raw1394_new_handle();
149 raw1394_get_port_info( tempFd, portinfo, MAX_IEEE1394_HOSTS);
150 raw1394_destroy_handle( tempFd );
152 for( i=0; i < MAX_IEEE1394_HOSTS; i++ )
154 /* check if port exists and has at least one node*/
155 if( !portinfo[i].nodes )
159 tempFd = dc1394_create_handle( i );
161 /* skip this port if we can't obtain a valid handle */
164 msg_Dbg( p_demux, "Found ieee1394 port %d (%s) ... "
165 "checking for camera nodes",
166 i, portinfo[i].name );
169 nodes = dc1394_get_camera_nodes( tempFd, &nodecount, 0 );
172 msg_Dbg( p_demux, "Found %d dc1394 cameras on port %d (%s)",
173 nodecount, i, portinfo[i].name );
176 node_list = realloc( node_list, sizeof(dc_camera) * (num_cameras+nodecount) );
178 node_list = malloc( sizeof(dc_camera) * nodecount);
180 for( n = 0; n < nodecount; n++ )
184 result = dc1394_get_camera_info( tempFd, nodes[n], &info );
185 if( result == DC1394_SUCCESS )
187 node_list[num_cameras+n].uid = info.euid_64;
189 node_list[num_cameras+n].node = nodes[n];
190 node_list[num_cameras+n].port = i;
192 num_cameras += nodecount;
195 msg_Dbg( p_demux, "no cameras found on port %d (%s)",
196 i, portinfo[i].name );
199 dc1394_destroy_handle( tempFd );
201 sys->num_ports = num_ports;
202 sys->num_cameras = num_cameras;
203 sys->camera_nodes = node_list;
206 /*****************************************************************************
208 *****************************************************************************/
209 static int Open( vlc_object_t *p_this )
211 demux_t *p_demux = (demux_t*)p_this;
219 if( strncmp(p_demux->psz_access, "dc1394", 6) != 0 )
223 p_demux->pf_demux = Demux;
224 p_demux->pf_control = Control;
225 p_demux->info.i_update = 0;
226 p_demux->info.i_title = 0;
227 p_demux->info.i_seekpoint = 0;
229 p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
232 memset( &fmt, 0, sizeof( es_format_t ) );
235 p_sys->frame_size = MODE_640x480_YUV422;
238 p_sys->frame_rate = FRAMERATE_30;
239 p_sys->brightness = 200;
241 p_sys->dma_capture = DMA_ON; /* defaults to VIDEO1394 capture mode */
242 p_sys->fd_audio = -1;
243 p_sys->fd_video = NULL;
244 p_sys->camera_nodes = NULL;
245 p_sys->selected_camera = 0;
246 p_sys->dma_device = NULL;
247 p_sys->selected_uid = 0;
249 /* PROCESS INPUT OPTIONS */
250 if( process_options(p_demux) != VLC_SUCCESS )
252 msg_Err( p_demux, "Bad MRL, please check the option line "
256 p_demux->p_sys = NULL;
260 msg_Dbg( p_demux, "Selected camera %d", p_sys->selected_camera );
261 msg_Dbg( p_demux, "Selected uid 0x%llx", p_sys->selected_uid );
263 ScanCameras( p_sys, p_demux );
264 if( !p_sys->camera_nodes )
266 msg_Err( p_demux, "No camera found !!" );
268 p_demux->p_sys = NULL;
272 if( p_sys->selected_uid )
275 for( i=0; i < p_sys->num_cameras; i++ )
277 if( p_sys->camera_nodes[i].uid == p_sys->selected_uid )
279 p_sys->selected_camera = i;
286 msg_Err( p_demux, "Can't find camera with uid : 0x%llx.",
287 p_sys->selected_uid );
292 else if( p_sys->selected_camera >= p_sys->num_cameras )
294 msg_Err( p_demux, "there are not this many cameras. (%d/%d)",
295 p_sys->selected_camera, p_sys->num_cameras );
300 p_sys->fd_video = dc1394_create_handle(
301 p_sys->camera_nodes[p_sys->selected_camera].port );
302 if( (int)p_sys->fd_video < 0 )
304 msg_Err( p_demux, "Can't init dc1394 handle" );
309 /* get camera info */
310 result = dc1394_get_camera_info( p_sys->fd_video,
311 p_sys->camera_nodes[p_sys->selected_camera].node,
312 &p_sys->camera_info );
313 if( result != DC1394_SUCCESS )
315 msg_Err( p_demux ,"unable to get camera info" );
320 dc1394_print_camera_info( &p_sys->camera_info );
321 result = dc1394_get_camera_misc_info( p_sys->fd_video,
322 p_sys->camera_nodes[p_sys->selected_camera].node,
324 if( result != DC1394_SUCCESS )
326 msg_Err( p_demux, "unable to get camera misc info" );
331 /* init camera and set some video options */
332 result = dc1394_init_camera( p_sys->camera_info.handle,
333 p_sys->camera_info.id );
334 if( result != DC1394_SUCCESS )
336 msg_Err( p_demux, "unable to get init dc1394 camera" );
343 result = dc1394_set_focus( p_sys->camera_info.handle,
344 p_sys->camera_nodes[p_sys->selected_camera].node,
346 if( result != DC1394_SUCCESS )
348 msg_Err( p_demux, "unable to set initial focus to %u",
351 msg_Dbg( p_demux, "Initial focus set to %u", p_sys->focus );
354 result = dc1394_set_brightness( p_sys->camera_info.handle,
355 p_sys->camera_nodes[p_sys->selected_camera].node,
357 if( result != DC1394_SUCCESS )
359 msg_Err( p_demux, "unable to set init brightness to %d",
365 result = dc1394_set_video_framerate( p_sys->camera_info.handle,
366 p_sys->camera_nodes[p_sys->selected_camera].node,
368 if( result != DC1394_SUCCESS )
370 msg_Err( p_demux, "unable to set framerate to %d",
375 p_sys->misc_info.framerate = p_sys->frame_rate;
377 result = dc1394_set_video_format( p_sys->camera_info.handle,
378 p_sys->camera_nodes[p_sys->selected_camera].node,
379 FORMAT_VGA_NONCOMPRESSED );
380 if( result != DC1394_SUCCESS )
382 msg_Err( p_demux, "unable to set video format to VGA_NONCOMPRESSED" );
386 p_sys->misc_info.format = FORMAT_VGA_NONCOMPRESSED;
388 result = dc1394_set_video_mode( p_sys->camera_info.handle,
389 p_sys->camera_nodes[p_sys->selected_camera].node,
391 if( result != DC1394_SUCCESS )
393 msg_Err( p_demux, "unable to set video mode" );
397 p_sys->misc_info.mode = p_sys->frame_size;
399 /* reprobe everything */
400 result = dc1394_get_camera_info( p_sys->camera_info.handle,
401 p_sys->camera_info.id,
402 &p_sys->camera_info );
403 if( result != DC1394_SUCCESS )
405 msg_Err( p_demux, "Could not get camera basic information!" );
410 result = dc1394_get_camera_misc_info( p_sys->camera_info.handle,
411 p_sys->camera_info.id,
413 if( result != DC1394_SUCCESS )
415 msg_Err( p_demux, "Could not get camera misc information!" );
420 /* set iso_channel */
421 result = dc1394_set_iso_channel_and_speed( p_sys->camera_info.handle,
422 p_sys->camera_info.id,
423 p_sys->selected_camera,
425 if( result != DC1394_SUCCESS )
427 msg_Err( p_demux, "Could not set iso channel!" );
431 msg_Dbg( p_demux, "Using ISO channel %d", p_sys->misc_info.iso_channel );
432 p_sys->misc_info.iso_channel = p_sys->selected_camera;
434 /* and setup capture */
435 if( p_sys->dma_capture )
437 result = dc1394_dma_setup_capture( p_sys->camera_info.handle,
438 p_sys->camera_info.id,
439 p_sys->misc_info.iso_channel,
440 p_sys->misc_info.format,
441 p_sys->misc_info.mode,
443 p_sys->misc_info.framerate,
447 if( result != DC1394_SUCCESS )
449 msg_Err( p_demux ,"unable to setup camera" );
456 result = dc1394_setup_capture( p_sys->camera_info.handle,
457 p_sys->camera_info.id,
458 p_sys->misc_info.iso_channel,
459 p_sys->misc_info.format,
460 p_sys->misc_info.mode,
462 p_sys->misc_info.framerate,
464 if( result != DC1394_SUCCESS)
466 msg_Err( p_demux ,"unable to setup camera" );
472 /* TODO - UYV444 chroma converter is missing, when it will be available
473 * fourcc will become variable (and not just a fixed value for UYVY)
475 i_width = p_sys->camera.frame_width;
476 i_height = p_sys->camera.frame_height;
478 if( picture_Setup( &p_sys->pic, VLC_CODEC_UYVY,
480 i_width * VOUT_ASPECT_FACTOR / i_height ) )
482 msg_Err( p_demux ,"unknown chroma" );
487 es_format_Init( &fmt, VIDEO_ES, VLC_CODEC_UYVY );
489 fmt.video.i_width = i_width;
490 fmt.video.i_height = i_height;
492 msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
493 (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
495 p_sys->p_es_video = es_out_Add( p_demux->out, &fmt );
497 if( p_sys->audio_device )
499 OpenAudioDev( p_demux );
500 if( p_sys->fd_audio >= 0 )
503 es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_S16L ); /* FIXME: hmm, ?? */
505 fmt.audio.i_channels = p_sys->channels ? p_sys->channels : 1;
506 fmt.audio.i_rate = p_sys->i_sample_rate;
507 fmt.audio.i_bitspersample = 16;
508 fmt.audio.i_blockalign = fmt.audio.i_channels *
509 fmt.audio.i_bitspersample / 8;
510 fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
511 fmt.audio.i_bitspersample;
513 msg_Dbg( p_demux, "new audio es %d channels %dHz",
514 fmt.audio.i_channels, fmt.audio.i_rate );
516 p_sys->p_es_audio = es_out_Add( p_demux->out, &fmt );
520 /* have the camera start sending us data */
521 result = dc1394_start_iso_transmission( p_sys->camera_info.handle,
522 p_sys->camera_info.id );
523 if( result != DC1394_SUCCESS )
525 msg_Err( p_demux, "unable to start camera iso transmission" );
526 if( p_sys->dma_capture )
528 dc1394_dma_release_camera( p_sys->fd_video, &p_sys->camera );
532 dc1394_release_camera( p_sys->fd_video, &p_sys->camera );
537 p_sys->misc_info.is_iso_on = DC1394_TRUE;
541 static void OpenAudioDev( demux_t *p_demux )
543 demux_sys_t *p_sys = p_demux->p_sys;
544 char *psz_device = p_sys->audio_device;
545 int i_format = AFMT_S16_LE;
548 p_sys->fd_audio = open( psz_device, O_RDONLY | O_NONBLOCK );
549 if( p_sys->fd_audio < 0 )
551 msg_Err( p_demux, "cannot open audio device (%s)", psz_device );
552 CloseAudioDev( p_demux );
555 if( !p_sys->i_sample_rate )
556 p_sys->i_sample_rate = 44100;
558 result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SETFMT, &i_format );
559 if( (result < 0) || (i_format != AFMT_S16_LE) )
561 msg_Err( p_demux, "cannot set audio format (16b little endian) "
563 CloseAudioDev( p_demux );
566 result = ioctl( p_sys->fd_audio, SNDCTL_DSP_CHANNELS, &p_sys->channels );
569 msg_Err( p_demux, "cannot set audio channels count (%d)",
571 CloseAudioDev( p_demux );
574 result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SPEED, &p_sys->i_sample_rate );
577 msg_Err( p_demux, "cannot set audio sample rate (%s)", p_sys->i_sample_rate );
578 CloseAudioDev( p_demux );
581 msg_Dbg( p_demux, "opened adev=`%s' %s %dHz",
583 (p_sys->channels > 1) ? "stereo" : "mono",
584 p_sys->i_sample_rate );
586 p_sys->i_audio_max_frame_size = 32 * 1024;
589 static inline void CloseAudioDev( demux_t *p_demux )
591 demux_sys_t *p_sys = NULL;
595 p_sys = p_demux->p_sys;
596 if( p_sys->fd_audio >= 0 )
597 close( p_sys->fd_audio );
601 /*****************************************************************************
603 *****************************************************************************/
604 static void Close( vlc_object_t *p_this )
606 demux_t *p_demux = (demux_t*)p_this;
607 demux_sys_t *p_sys = p_demux->p_sys;
610 /* Stop data transmission */
611 result = dc1394_stop_iso_transmission( p_sys->fd_video,
612 p_sys->camera.node );
613 if( result != DC1394_SUCCESS )
615 msg_Err( p_demux, "couldn't stop the camera" );
619 if( p_sys->dma_capture )
621 dc1394_dma_unlisten( p_sys->fd_video, &p_sys->camera );
622 dc1394_dma_release_camera( p_sys->fd_video, &p_sys->camera );
626 dc1394_release_camera( p_sys->fd_video, &p_sys->camera );
629 if( p_sys->fd_video )
630 dc1394_destroy_handle( p_sys->fd_video );
631 CloseAudioDev( p_demux );
633 free( p_sys->camera_nodes );
634 free( p_sys->audio_device );
639 static void MovePixelUYVY( void *src, int spos, void *dst, int dpos )
645 sc = (u_char *)src + (spos*2);
658 dc = (u_char *)dst+(dpos*2);
671 /*****************************************************************************
673 *****************************************************************************/
674 static block_t *GrabVideo( demux_t *p_demux )
676 demux_sys_t *p_sys = p_demux->p_sys;
677 block_t *p_block = NULL;
680 if( p_sys->dma_capture )
682 result = dc1394_dma_single_capture( &p_sys->camera );
683 if( result != DC1394_SUCCESS )
685 msg_Err( p_demux, "unable to capture a frame" );
691 result = dc1394_single_capture( p_sys->camera_info.handle,
693 if( result != DC1394_SUCCESS )
695 msg_Err( p_demux, "unable to capture a frame" );
700 p_block = block_New( p_demux, p_sys->camera.frame_width *
701 p_sys->camera.frame_height * 2 );
704 msg_Err( p_demux, "cannot get block" );
708 if( !p_sys->camera.capture_buffer )
710 msg_Err (p_demux, "caputer buffer empty");
711 block_Release( p_block );
715 memcpy( p_block->p_buffer, (const char *)p_sys->camera.capture_buffer,
716 p_sys->camera.frame_width * p_sys->camera.frame_height * 2 );
718 p_block->i_pts = p_block->i_dts = mdate();
719 if( p_sys->dma_capture )
720 dc1394_dma_done_with_buffer( &p_sys->camera );
724 static block_t *GrabAudio( demux_t *p_demux )
726 demux_sys_t *p_sys = p_demux->p_sys;
727 struct audio_buf_info buf_info;
728 block_t *p_block = NULL;
733 p_block = block_New( p_demux, p_sys->i_audio_max_frame_size );
736 msg_Warn( p_demux, "cannot get buffer" );
740 i_read = read( p_sys->fd_audio, p_block->p_buffer,
741 p_sys->i_audio_max_frame_size );
746 p_block->i_buffer = i_read;
748 /* Correct the date because of kernel buffering */
750 result = ioctl( p_sys->fd_audio, SNDCTL_DSP_GETISPACE, &buf_info );
752 i_correct += buf_info.bytes;
754 p_block->i_pts = p_block->i_dts =
755 mdate() - INT64_C(1000000) * (mtime_t)i_correct /
756 2 / p_sys->channels / p_sys->i_sample_rate;
760 static int Demux( demux_t *p_demux )
762 demux_sys_t *p_sys = p_demux->p_sys;
763 block_t *p_blocka = NULL;
764 block_t *p_blockv = NULL;
766 /* Try grabbing audio frames first */
767 if( p_sys->fd_audio > 0 )
768 p_blocka = GrabAudio( p_demux );
770 /* Try grabbing video frame */
771 if( (int)p_sys->fd_video > 0 )
772 p_blockv = GrabVideo( p_demux );
774 if( !p_blocka && !p_blockv )
776 /* Sleep so we do not consume all the cpu, 10ms seems
777 * like a good value (100fps)
785 es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blocka->i_pts );
786 es_out_Send( p_demux->out, p_sys->p_es_audio, p_blocka );
791 es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blockv->i_pts );
792 es_out_Send( p_demux->out, p_sys->p_es_video, p_blockv );
797 /*****************************************************************************
799 *****************************************************************************/
800 static int Control( demux_t *p_demux, int i_query, va_list args )
807 /* Special for access_demux */
808 case DEMUX_CAN_PAUSE:
810 case DEMUX_SET_PAUSE_STATE:
811 case DEMUX_CAN_CONTROL_PACE:
812 pb = (bool*)va_arg( args, bool * );
816 case DEMUX_GET_PTS_DELAY:
817 pi64 = (int64_t*)va_arg( args, int64_t * );
818 *pi64 = (int64_t)DEFAULT_PTS_DELAY;
822 pi64 = (int64_t*)va_arg( args, int64_t * );
826 /* TODO implement others */
833 static int process_options( demux_t *p_demux )
835 demux_sys_t *p_sys = p_demux->p_sys;
842 psz_dup = strdup( p_demux->psz_path );
843 psz_parser = psz_dup;
844 for( token = strtok_r( psz_parser,":",&state); token;
845 token = strtok_r( NULL, ":", &state ) )
847 if( strncmp( token, "size=", strlen("size=") ) == 0 )
849 token += strlen("size=");
850 if( strncmp( token, "160x120", 7 ) == 0 )
852 /* TODO - UYV444 chroma converter is needed ...
853 * video size of 160x120 is temporarily disabled
856 "video size of 160x120 is actually disabled for lack of chroma "
857 "support. It will relased ASAP, until then try an higher size "
858 "(320x240 and 640x480 are fully supported)" );
862 p_sys->frame_size = MODE_160x120_YUV444;
867 else if( strncmp( token, "320x240", 7 ) == 0 )
869 p_sys->frame_size = MODE_320x240_YUV422;
873 else if( strncmp( token, "640x480", 7 ) == 0 )
875 p_sys->frame_size = MODE_640x480_YUV422;
882 "This program currently suppots frame sizes of"
883 " 160x120, 320x240, and 640x480. "
884 "Please specify one of them. You have specified %s.",
889 msg_Dbg( p_demux, "Requested video size : %s",token );
891 else if( strncmp( token, "fps=", strlen( "fps=" ) ) == 0 )
893 token += strlen("fps=");
894 sscanf( token, "%g", &rate_f );
895 if( rate_f == 1.875 )
896 p_sys->frame_rate = FRAMERATE_1_875;
897 else if( rate_f == 3.75 )
898 p_sys->frame_rate = FRAMERATE_3_75;
899 else if( rate_f == 7.5 )
900 p_sys->frame_rate = FRAMERATE_7_5;
901 else if( rate_f == 15 )
902 p_sys->frame_rate = FRAMERATE_15;
903 else if( rate_f == 30 )
904 p_sys->frame_rate = FRAMERATE_30;
905 else if( rate_f == 60 )
906 p_sys->frame_rate = FRAMERATE_60;
910 "This program supports framerates of"
911 " 1.875, 3.75, 7.5, 15, 30, 60. "
912 "Please specify one of them. You have specified %s.",
917 msg_Dbg( p_demux, "Requested frame rate : %s",token );
919 else if( strncmp( token, "brightness=", strlen( "brightness=" ) ) == 0 )
922 token += strlen("brightness=");
923 nr = sscanf( token, "%u", &p_sys->brightness);
926 msg_Err( p_demux, "Bad brightness value '%s', "
927 "must be an unsigned integer.",
934 else if( strncmp( token, "controller=", strlen( "controller=" ) ) == 0 )
937 token += strlen("controller=");
938 nr = sscanf( token, "%u", &p_sys->controller );
941 msg_Err(p_demux, "Bad controller value '%s', "
942 "must be an unsigned integer.",
948 else if( strncmp( token, "camera=", strlen( "camera=" ) ) == 0 )
951 token += strlen("camera=");
952 nr = sscanf(token,"%u",&p_sys->selected_camera);
955 msg_Err( p_demux, "Bad camera number '%s', "
956 "must be an unsigned integer.",
962 else if( strncmp( token, "capture=", strlen( "capture=" ) ) == 0)
964 token += strlen("capture=");
965 if( strncmp(token, "raw1394",7) == 0 )
967 msg_Dbg( p_demux, "DMA capture disabled!" );
968 p_sys->dma_capture = DMA_OFF;
970 else if( strncmp(token,"video1394",9) == 0 )
972 msg_Dbg( p_demux, "DMA capture enabled!" );
973 p_sys->dma_capture = DMA_ON;
977 msg_Err(p_demux, "Bad capture method value '%s', "
978 "it can be 'raw1394' or 'video1394'.",
984 else if( strncmp( token, "adev=", strlen( "adev=" ) ) == 0 )
986 token += strlen("adev=");
987 p_sys->audio_device = strdup(token);
988 msg_Dbg( p_demux, "Using audio device '%s'.", token );
990 else if( strncmp( token, "samplerate=", strlen( "samplerate=" ) ) == 0 )
992 token += strlen("samplerate=");
993 sscanf( token, "%d", &p_sys->i_sample_rate );
995 else if( strncmp( token, "channels=", strlen("channels=" ) ) == 0 )
997 token += strlen("channels=");
998 sscanf( token, "%d", &p_sys->channels );
1000 else if( strncmp( token, "focus=", strlen("focus=" ) ) == 0)
1002 token += strlen("focus=");
1003 sscanf( token, "%u", &p_sys->focus );
1005 else if( strncmp( token, "uid=", strlen("uid=") ) == 0)
1007 token += strlen("uid=");
1008 sscanf( token, "0x%llx", &p_sys->selected_uid );