1 /*****************************************************************************
2 * dc1394.c: IIDC (DCAM) FireWire input module
3 *****************************************************************************
4 * Copyright (C) 2006-2009 VideoLAN
6 * Authors: Xant Majere <xant@xant.net>
7 * Rob Shortt <rob@tvcentric.com> - libdc1394 V2 API updates
8 * Frederic Benoist <fridorik@gmail.com> - updates from Rob's work
10 *****************************************************************************
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU Lesser General Public License as published by
14 * the Free Software Foundation; either version 2.1 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public License
23 * along with this program; if not, write to the Free Software Foundation,
24 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
35 #include <vlc_common.h>
36 #include <vlc_plugin.h>
37 #include <vlc_demux.h>
39 #include <dc1394/dc1394.h>
41 #define MAX_IEEE1394_HOSTS 32
42 #define MAX_CAMERA_NODES 32
44 /*****************************************************************************
46 *****************************************************************************/
47 static int Open ( vlc_object_t
* );
48 static void Close( vlc_object_t
* );
51 set_shortname( N_("DC1394") )
52 set_description( N_("IIDC Digital Camera (FireWire) input") )
53 set_capability( "access_demux", 10 )
54 set_callbacks( Open
, Close
)
60 dc1394_t
*p_dccontext
;
62 dc1394camera_t
*camera
;
64 uint64_t selected_uid
;
66 dc1394featureset_t features
;
71 dc1394video_mode_t video_mode
;
76 unsigned int brightness
;
78 es_out_id_t
*p_es_video
;
79 dc1394video_frame_t
*frame
;
82 /*****************************************************************************
84 *****************************************************************************/
85 static int Demux( demux_t
*p_demux
);
86 static int Control( demux_t
*, int, va_list );
87 static block_t
*GrabVideo( demux_t
*p_demux
);
88 static int process_options( demux_t
*p_demux
);
90 /*****************************************************************************
92 *****************************************************************************/
93 static int FindCamera( demux_sys_t
*sys
, demux_t
*p_demux
)
95 dc1394camera_list_t
*list
;
96 int i_ret
= VLC_EGENERIC
;
98 msg_Dbg( p_demux
, "Scanning for ieee1394 ports ..." );
100 if( dc1394_camera_enumerate (sys
->p_dccontext
, &list
) != DC1394_SUCCESS
)
102 msg_Err(p_demux
, "Can not ennumerate cameras");
108 msg_Err(p_demux
, "Can not find cameras");
112 sys
->num_cameras
= list
->num
;
113 msg_Dbg( p_demux
, "Found %d dc1394 cameras.", list
->num
);
115 if( sys
->selected_uid
)
118 for( unsigned i
= 0; i
< sys
->num_cameras
; i
++ )
120 if( list
->ids
[i
].guid
== sys
->selected_uid
)
122 sys
->camera
= dc1394_camera_new(sys
->p_dccontext
,
130 msg_Err( p_demux
, "Can't find camera with uid : 0x%"PRIx64
".",
135 else if( sys
->selected_camera
>= (int)list
->num
)
137 msg_Err( p_demux
, "There are not this many cameras. (%d/%d)",
138 sys
->selected_camera
, sys
->num_cameras
);
141 else if( sys
->selected_camera
>= 0 )
143 sys
->camera
= dc1394_camera_new(sys
->p_dccontext
,
144 list
->ids
[sys
->selected_camera
].guid
);
148 sys
->camera
= dc1394_camera_new(sys
->p_dccontext
,
155 dc1394_camera_free_list (list
);
159 /*****************************************************************************
161 *****************************************************************************/
162 static int Open( vlc_object_t
*p_this
)
164 demux_t
*p_demux
= (demux_t
*)p_this
;
169 if( strncmp(p_demux
->psz_access
, "dc1394", 6) != 0 )
173 p_demux
->pf_demux
= Demux
;
174 p_demux
->pf_control
= Control
;
175 p_demux
->info
.i_update
= 0;
176 p_demux
->info
.i_title
= 0;
177 p_demux
->info
.i_seekpoint
= 0;
179 p_demux
->p_sys
= p_sys
= calloc( 1, sizeof( demux_sys_t
) );
183 memset( &fmt
, 0, sizeof( es_format_t
) );
186 p_sys
->video_mode
= DC1394_VIDEO_MODE_640x480_YUV422
;
189 p_sys
->frame_rate
= DC1394_FRAMERATE_15
;
190 p_sys
->brightness
= 200;
192 p_sys
->p_dccontext
= NULL
;
193 p_sys
->camera
= NULL
;
194 p_sys
->selected_camera
= -1;
195 p_sys
->dma_buffers
= 1;
196 p_sys
->reset_bus
= 0;
198 /* PROCESS INPUT OPTIONS */
199 if( process_options(p_demux
) != VLC_SUCCESS
)
201 msg_Err( p_demux
, "Bad MRL, please check the option line "
203 p_demux
->psz_location
);
208 p_sys
->p_dccontext
= dc1394_new();
209 if( !p_sys
->p_dccontext
)
211 msg_Err( p_demux
, "Failed to initialise libdc1394");
216 if( FindCamera( p_sys
, p_demux
) != VLC_SUCCESS
)
218 dc1394_free( p_sys
->p_dccontext
);
225 msg_Err( p_demux
, "No camera found !!" );
226 dc1394_free( p_sys
->p_dccontext
);
231 if( p_sys
->reset_bus
)
233 if( dc1394_reset_bus( p_sys
->camera
) != DC1394_SUCCESS
)
235 msg_Err( p_demux
, "Unable to reset IEEE 1394 bus");
239 else msg_Dbg( p_demux
, "Successfully reset IEEE 1394 bus");
242 if( dc1394_camera_reset( p_sys
->camera
) != DC1394_SUCCESS
)
244 msg_Err( p_demux
, "Unable to reset camera");
249 if( dc1394_camera_print_info( p_sys
->camera
,
250 stderr
) != DC1394_SUCCESS
)
252 msg_Err( p_demux
, "Unable to print camera info");
257 if( dc1394_feature_get_all( p_sys
->camera
,
258 &p_sys
->features
) != DC1394_SUCCESS
)
260 msg_Err( p_demux
, "Unable to get feature set");
264 // TODO: only print features if verbosity increased
265 dc1394_feature_print_all(&p_sys
->features
, stderr
);
267 #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/
268 if( p_sys
->video_device
)
270 if( dc1394_capture_set_device_filename( p_sys
->camera
,
271 p_sys
->video_device
) != DC1394_SUCCESS
)
273 msg_Err( p_demux
, "Unable to set video device");
282 if( dc1394_feature_set_value( p_sys
->camera
,
283 DC1394_FEATURE_FOCUS
,
284 p_sys
->focus
) != DC1394_SUCCESS
)
286 msg_Err( p_demux
, "Unable to set initial focus to %u",
290 msg_Dbg( p_demux
, "Initial focus set to %u", p_sys
->focus
);
293 if( dc1394_feature_set_value( p_sys
->camera
,
294 DC1394_FEATURE_FOCUS
,
295 p_sys
->brightness
) != DC1394_SUCCESS
)
297 msg_Err( p_demux
, "Unable to set initial brightness to %u",
301 msg_Dbg( p_demux
, "Initial brightness set to %u", p_sys
->brightness
);
303 if( dc1394_video_set_framerate( p_sys
->camera
,
304 p_sys
->frame_rate
) != DC1394_SUCCESS
)
306 msg_Err( p_demux
, "Unable to set framerate");
311 if( dc1394_video_set_mode( p_sys
->camera
,
312 p_sys
->video_mode
) != DC1394_SUCCESS
)
314 msg_Err( p_demux
, "Unable to set video mode");
319 if( dc1394_video_set_iso_speed( p_sys
->camera
,
320 DC1394_ISO_SPEED_400
) != DC1394_SUCCESS
)
322 msg_Err( p_demux
, "Unable to set iso speed");
327 /* and setup capture */
328 res
= dc1394_capture_setup( p_sys
->camera
,
330 DC1394_CAPTURE_FLAGS_DEFAULT
);
331 if( res
!= DC1394_SUCCESS
)
333 if( res
== DC1394_NO_BANDWIDTH
)
335 msg_Err( p_demux
,"No bandwidth: try adding the "
336 "\"resetbus\" option" );
340 msg_Err( p_demux
,"Unable to setup capture" );
346 /* TODO - UYV444 chroma converter is missing, when it will be available
347 * fourcc will become variable (and not just a fixed value for UYVY)
349 es_format_Init( &fmt
, VIDEO_ES
, VLC_CODEC_UYVY
);
351 fmt
.video
.i_width
= p_sys
->width
;
352 fmt
.video
.i_height
= p_sys
->height
;
354 msg_Dbg( p_demux
, "Added new video es %4.4s %dx%d",
355 (char*)&fmt
.i_codec
, fmt
.video
.i_width
, fmt
.video
.i_height
);
357 p_sys
->p_es_video
= es_out_Add( p_demux
->out
, &fmt
);
359 /* have the camera start sending us data */
360 if( dc1394_video_set_transmission( p_sys
->camera
,
361 DC1394_ON
) != DC1394_SUCCESS
)
363 msg_Err( p_demux
, "Unable to start camera iso transmission" );
364 dc1394_capture_stop( p_sys
->camera
);
368 msg_Dbg( p_demux
, "Set iso transmission" );
369 // TODO: reread camera
373 /*****************************************************************************
375 *****************************************************************************/
376 static void Close( vlc_object_t
*p_this
)
378 demux_t
*p_demux
= (demux_t
*)p_this
;
379 demux_sys_t
*p_sys
= p_demux
->p_sys
;
381 /* Stop data transmission */
382 if( dc1394_video_set_transmission( p_sys
->camera
,
383 DC1394_OFF
) != DC1394_SUCCESS
)
384 msg_Err( p_demux
, "Unable to stop camera iso transmission" );
387 dc1394_capture_stop( p_sys
->camera
);
389 dc1394_camera_free(p_sys
->camera
);
390 dc1394_free(p_sys
->p_dccontext
);
392 free( p_sys
->video_device
);
397 static void MovePixelUYVY( void *src
, int spos
, void *dst
, int dpos
)
403 sc
= (u_char
*)src
+ (spos
*2);
416 dc
= (u_char
*)dst
+(dpos
*2);
430 /*****************************************************************************
432 *****************************************************************************/
433 static block_t
*GrabVideo( demux_t
*p_demux
)
435 demux_sys_t
*p_sys
= p_demux
->p_sys
;
436 block_t
*p_block
= NULL
;
438 if( dc1394_capture_dequeue( p_sys
->camera
,
439 DC1394_CAPTURE_POLICY_WAIT
,
440 &p_sys
->frame
) != DC1394_SUCCESS
)
442 msg_Err( p_demux
, "Unable to capture a frame" );
446 p_block
= block_Alloc( p_sys
->frame
->size
[0] * p_sys
->frame
->size
[1] * 2 );
449 msg_Err( p_demux
, "Can not get block" );
453 if( !p_sys
->frame
->image
)
455 msg_Err (p_demux
, "Capture buffer empty");
456 block_Release( p_block
);
460 memcpy( p_block
->p_buffer
, (const char *)p_sys
->frame
->image
,
461 p_sys
->width
* p_sys
->height
* 2 );
463 p_block
->i_pts
= p_block
->i_dts
= mdate();
464 dc1394_capture_enqueue( p_sys
->camera
, p_sys
->frame
);
468 static int Demux( demux_t
*p_demux
)
470 demux_sys_t
*p_sys
= p_demux
->p_sys
;
471 block_t
*p_blockv
= NULL
;
473 /* Try grabbing video frame */
474 p_blockv
= GrabVideo( p_demux
);
478 /* Sleep so we do not consume all the cpu, 10ms seems
479 * like a good value (100fps)
487 es_out_Control( p_demux
->out
, ES_OUT_SET_PCR
, p_blockv
->i_pts
);
488 es_out_Send( p_demux
->out
, p_sys
->p_es_video
, p_blockv
);
493 /*****************************************************************************
495 *****************************************************************************/
496 static int Control( demux_t
*p_demux
, int i_query
, va_list args
)
498 VLC_UNUSED( p_demux
);
501 /* Special for access_demux */
502 case DEMUX_CAN_PAUSE
:
504 case DEMUX_SET_PAUSE_STATE
:
505 case DEMUX_CAN_CONTROL_PACE
:
506 *va_arg( args
, bool * ) = false;
509 case DEMUX_GET_PTS_DELAY
:
510 *va_arg( args
, int64_t * ) = (int64_t)DEFAULT_PTS_DELAY
;
514 *va_arg( args
, int64_t * ) = mdate();
517 /* TODO implement others */
524 static int process_options( demux_t
*p_demux
)
526 demux_sys_t
*p_sys
= p_demux
->p_sys
;
531 const char *in_size
= NULL
;
532 const char *in_fmt
= NULL
;
535 psz_dup
= strdup( p_demux
->psz_location
);
536 psz_parser
= psz_dup
;
537 for( token
= strtok_r( psz_parser
,":",&state
); token
;
538 token
= strtok_r( NULL
, ":", &state
) )
540 if( strncmp( token
, "size=", strlen("size=") ) == 0 )
542 token
+= strlen("size=");
543 if( strncmp( token
, "160x120", 7 ) == 0 )
545 /* TODO - UYV444 chroma converter is needed ...
546 * video size of 160x120 is temporarily disabled
549 "video size of 160x120 is actually disabled for lack of"
550 "chroma support. It will relased ASAP, until then try "
551 "an higher size (320x240 and 640x480 are fully supported)" );
560 else if( strncmp( token
, "320x240", 7 ) == 0 )
566 else if( strncmp( token
, "640x480", 7 ) == 0 )
575 "This program currently suppots frame sizes of"
576 " 160x120, 320x240, and 640x480. "
577 "Please specify one of them. You have specified %s.",
582 msg_Dbg( p_demux
, "Requested video size : %s",token
);
584 if( strncmp( token
, "format=", strlen("format=") ) == 0 )
586 token
+= strlen("format=");
587 if( strncmp( token
, "YUV411", 6 ) == 0 )
591 else if( strncmp( token
, "YUV422", 6 ) == 0 )
595 else if( strncmp( token
, "YUV444", 6 ) == 0 )
599 else if( strncmp( token
, "RGB8", 4 ) == 0 )
603 else if( strncmp( token
, "MONO8", 5 ) == 0 )
607 else if( strncmp( token
, "MONO16", 6 ) == 0 )
613 msg_Err( p_demux
, "Invalid format %s.", token
);
617 msg_Dbg( p_demux
, "Requested video format : %s", token
);
619 else if( strncmp( token
, "fps=", strlen( "fps=" ) ) == 0 )
621 token
+= strlen("fps=");
622 sscanf( token
, "%g", &rate_f
);
623 if( rate_f
== 1.875 )
624 p_sys
->frame_rate
= DC1394_FRAMERATE_1_875
;
625 else if( rate_f
== 3.75 )
626 p_sys
->frame_rate
= DC1394_FRAMERATE_3_75
;
627 else if( rate_f
== 7.5 )
628 p_sys
->frame_rate
= DC1394_FRAMERATE_7_5
;
629 else if( rate_f
== 15 )
630 p_sys
->frame_rate
= DC1394_FRAMERATE_15
;
631 else if( rate_f
== 30 )
632 p_sys
->frame_rate
= DC1394_FRAMERATE_30
;
633 else if( rate_f
== 60 )
634 p_sys
->frame_rate
= DC1394_FRAMERATE_60
;
638 "This program supports framerates of"
639 " 1.875, 3.75, 7.5, 15, 30, 60. "
640 "Please specify one of them. You have specified %s.",
645 msg_Dbg( p_demux
, "Requested frame rate : %s",token
);
647 else if( strncmp( token
, "resetbus", strlen( "resetbus" ) ) == 0 )
649 token
+= strlen("resetbus");
650 p_sys
->reset_bus
= 1;
652 else if( strncmp( token
, "brightness=", strlen( "brightness=" ) ) == 0 )
655 token
+= strlen("brightness=");
656 nr
= sscanf( token
, "%u", &p_sys
->brightness
);
659 msg_Err( p_demux
, "Bad brightness value '%s', "
660 "must be an unsigned integer.",
666 else if( strncmp( token
, "buffers=", strlen( "buffers=" ) ) == 0 )
670 token
+= strlen("buffers=");
671 nr
= sscanf( token
, "%d", &in_buf
);
672 if( nr
!= 1 || in_buf
< 1 )
674 msg_Err( p_demux
, "DMA buffers must be 1 or greater." );
678 else p_sys
->dma_buffers
= in_buf
;
681 // NOTE: If controller support is added back, more logic will needed to be added
682 // after the cameras are scanned.
683 else if( strncmp( token
, "controller=", strlen( "controller=" ) ) == 0 )
686 token
+= strlen("controller=");
687 nr
= sscanf( token
, "%u", &p_sys
->controller
);
690 msg_Err(p_demux
, "Bad controller value '%s', "
691 "must be an unsigned integer.",
697 else if( strncmp( token
, "camera=", strlen( "camera=" ) ) == 0 )
700 token
+= strlen("camera=");
701 nr
= sscanf(token
,"%u",&p_sys
->selected_camera
);
704 msg_Err( p_demux
, "Bad camera number '%s', "
705 "must be an unsigned integer.",
711 else if( strncmp( token
, "vdev=", strlen( "vdev=" ) ) == 0)
713 token
+= strlen("vdev=");
714 p_sys
->video_device
= strdup(token
);
715 msg_Dbg( p_demux
, "Using video device '%s'.", token
);
717 else if( strncmp( token
, "focus=", strlen("focus=" ) ) == 0)
720 token
+= strlen("focus=");
721 nr
= sscanf( token
, "%u", &p_sys
->focus
);
724 msg_Err( p_demux
, "Bad focus value '%s', "
725 "must be an unsigned integer.",
731 else if( strncmp( token
, "uid=", strlen("uid=") ) == 0)
733 token
+= strlen("uid=");
734 sscanf( token
, "0x%"SCNx64
, &p_sys
->selected_uid
);
738 // The mode is a combination of size and format and not every format
739 // is supported by every size.
742 if( strcmp( in_size
, "160x120") == 0)
744 if( in_fmt
&& (strcmp( in_fmt
, "YUV444") != 0) )
745 msg_Err(p_demux
, "160x120 only supports YUV444 - forcing");
746 p_sys
->video_mode
= DC1394_VIDEO_MODE_160x120_YUV444
;
748 else if( strcmp( in_size
, "320x240") == 0)
750 if( in_fmt
&& (strcmp( in_fmt
, "YUV422") != 0) )
751 msg_Err(p_demux
, "320x240 only supports YUV422 - forcing");
752 p_sys
->video_mode
= DC1394_VIDEO_MODE_320x240_YUV422
;
759 if( strcmp( in_fmt
, "RGB8") == 0)
760 p_sys
->video_mode
= DC1394_VIDEO_MODE_640x480_RGB8
;
761 else if( strcmp( in_fmt
, "MONO8") == 0)
762 p_sys
->video_mode
= DC1394_VIDEO_MODE_640x480_MONO8
;
763 else if( strcmp( in_fmt
, "MONO16") == 0)
764 p_sys
->video_mode
= DC1394_VIDEO_MODE_640x480_MONO16
;
765 else if( strcmp( in_fmt
, "YUV411") == 0)
766 p_sys
->video_mode
= DC1394_VIDEO_MODE_640x480_YUV411
;
767 else // YUV422 default
768 p_sys
->video_mode
= DC1394_VIDEO_MODE_640x480_YUV422
;
770 else // YUV422 default
771 p_sys
->video_mode
= DC1394_VIDEO_MODE_640x480_YUV422
;