1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 the VideoLAN team
7 * Authors: Eric Petit <titer@videolan.org>
8 * Paul Corke <paulc@datatote.co.uk>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
29 #include <vlc_access.h>
32 #include <sys/types.h>
37 #include <linux/types.h>
38 #include <sys/ioctl.h>
40 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
41 #include VIDEODEV2_H_FILE
43 #include "videodev2.h"
46 /*****************************************************************************
48 *****************************************************************************/
49 static int Open ( vlc_object_t * );
50 static void Close( vlc_object_t * );
52 #define CACHING_TEXT N_("Caching value in ms")
53 #define CACHING_LONGTEXT N_( \
54 "Default caching value for PVR streams. This " \
55 "value should be set in milliseconds." )
57 #define DEVICE_TEXT N_( "Device" )
58 #define DEVICE_LONGTEXT N_( "PVR video device" )
60 #define RADIO_DEVICE_TEXT N_( "Radio device" )
61 #define RADIO_DEVICE_LONGTEXT N_( "PVR radio device" )
63 #define NORM_TEXT N_( "Norm" )
64 #define NORM_LONGTEXT N_( "Norm of the stream " \
65 "(Automatic, SECAM, PAL, or NTSC)." )
67 #define WIDTH_TEXT N_( "Width" )
68 #define WIDTH_LONGTEXT N_( "Width of the stream to capture " \
69 "(-1 for autodetection)." )
71 #define HEIGHT_TEXT N_( "Height" )
72 #define HEIGHT_LONGTEXT N_( "Height of the stream to capture " \
73 "(-1 for autodetection)." )
75 #define FREQUENCY_TEXT N_( "Frequency" )
76 #define FREQUENCY_LONGTEXT N_( "Frequency to capture (in kHz), if applicable." )
78 #define FRAMERATE_TEXT N_( "Framerate" )
79 #define FRAMERATE_LONGTEXT N_( "Framerate to capture, if applicable " \
80 "(-1 for autodetect)." )
82 #define KEYINT_TEXT N_( "Key interval" )
83 #define KEYINT_LONGTEXT N_( "Interval between keyframes (-1 for autodetect)." )
85 #define BFRAMES_TEXT N_( "B Frames" )
86 #define BFRAMES_LONGTEXT N_("If this option is set, B-Frames will be used. " \
87 "Use this option to set the number of B-Frames.")
89 #define BITRATE_TEXT N_( "Bitrate" )
90 #define BITRATE_LONGTEXT N_( "Bitrate to use (-1 for default)." )
92 #define BITRATE_PEAK_TEXT N_( "Bitrate peak" )
93 #define BITRATE_PEAK_LONGTEXT N_( "Peak bitrate in VBR mode." )
95 #define BITRATE_MODE_TEXT N_( "Bitrate mode" )
96 #define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use (VBR or CBR)." )
98 #define BITMASK_TEXT N_( "Audio bitmask" )
99 #define BITMASK_LONGTEXT N_("Bitmask that will "\
100 "get used by the audio part of the card." )
102 #define VOLUME_TEXT N_( "Volume" )
103 #define VOLUME_LONGTEXT N_("Audio volume (0-65535)." )
105 #define CHAN_TEXT N_( "Channel" )
106 #define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, " \
107 "1 = composite, 2 = svideo)" )
109 static int i_norm_list[] =
110 { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC };
111 static const char *psz_norm_list_text[] =
112 { N_("Automatic"), N_("SECAM"), N_("PAL"), N_("NTSC") };
114 static int i_bitrates[] = { 0, 1 };
115 static const char *psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
117 static int pi_radio_range[2] = { 65000, 108000 };
120 set_shortname( _("PVR") );
121 set_description( _("IVTV MPEG Encoding cards input") );
122 set_category( CAT_INPUT );
123 set_subcategory( SUBCAT_INPUT_ACCESS );
124 set_capability( "access2", 0 );
125 add_shortcut( "pvr" );
127 add_integer( "pvr-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
128 CACHING_LONGTEXT, VLC_TRUE );
129 add_string( "pvr-device", "/dev/video0", NULL, DEVICE_TEXT,
130 DEVICE_LONGTEXT, VLC_FALSE );
131 add_string( "pvr-radio-device", "/dev/radio0", NULL, RADIO_DEVICE_TEXT,
132 RADIO_DEVICE_LONGTEXT, VLC_FALSE );
133 add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NULL, NORM_TEXT,
134 NORM_LONGTEXT, VLC_FALSE );
135 change_integer_list( i_norm_list, psz_norm_list_text, 0 );
136 add_integer( "pvr-width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_TRUE );
137 add_integer( "pvr-height", -1, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT,
139 add_integer( "pvr-frequency", -1, NULL, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
141 add_integer( "pvr-framerate", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
143 add_integer( "pvr-keyint", -1, NULL, KEYINT_TEXT, KEYINT_LONGTEXT,
145 add_integer( "pvr-bframes", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
147 add_integer( "pvr-bitrate", -1, NULL, BITRATE_TEXT, BITRATE_LONGTEXT,
149 add_integer( "pvr-bitrate-peak", -1, NULL, BITRATE_PEAK_TEXT,
150 BITRATE_PEAK_LONGTEXT, VLC_TRUE );
151 add_integer( "pvr-bitrate-mode", -1, NULL, BITRATE_MODE_TEXT,
152 BITRATE_MODE_LONGTEXT, VLC_TRUE );
153 change_integer_list( i_bitrates, psz_bitrates_list_text, 0 );
154 add_integer( "pvr-audio-bitmask", -1, NULL, BITMASK_TEXT,
155 BITMASK_LONGTEXT, VLC_TRUE );
156 add_integer( "pvr-audio-volume", -1, NULL, VOLUME_TEXT,
157 VOLUME_LONGTEXT, VLC_TRUE );
158 add_integer( "pvr-channel", -1, NULL, CHAN_TEXT, CHAN_LONGTEXT, VLC_TRUE );
160 set_callbacks( Open, Close );
163 /*****************************************************************************
165 *****************************************************************************/
166 static int Read ( access_t *, uint8_t *, int );
167 static int Control( access_t *, int, va_list );
169 /* ivtv specific ioctls */
170 #define IVTV_IOC_G_CODEC 0xFFEE7703
171 #define IVTV_IOC_S_CODEC 0xFFEE7704
173 /* for use with IVTV_IOC_G_CODEC and IVTV_IOC_S_CODEC */
175 struct ivtv_ioctl_codec {
177 uint32_t audio_bitmask;
179 uint32_t bitrate_mode;
181 uint32_t bitrate_peak;
183 uint32_t dnr_spatial;
184 uint32_t dnr_temporal;
187 uint32_t framespergop;
188 uint32_t gop_closure;
190 uint32_t stream_type;
195 /* file descriptor */
218 vlc_bool_t b_v4l2_api;
221 /*****************************************************************************
222 * ConfigureIVTV: set up codec parameters using the old ivtv api
223 *****************************************************************************/
224 static int ConfigureIVTV( access_t * p_access )
226 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
227 struct ivtv_ioctl_codec codec;
230 memset( &codec, 0, sizeof(struct ivtv_ioctl_codec) );
232 result = ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec );
235 msg_Err( p_access, "Failed to read current capture card settings." );
239 if( p_sys->i_framerate != -1 )
241 switch( p_sys->i_framerate )
252 msg_Warn( p_access, "Invalid framerate, reverting to 25." );
258 if( p_sys->i_bitrate != -1 )
260 codec.bitrate = p_sys->i_bitrate;
263 if( p_sys->i_bitrate_peak != -1 )
265 codec.bitrate_peak = p_sys->i_bitrate_peak;
268 if( p_sys->i_bitrate_mode != -1 )
270 codec.bitrate_mode = p_sys->i_bitrate_mode;
273 if( p_sys->i_audio_bitmask != -1 )
275 codec.audio_bitmask = p_sys->i_audio_bitmask;
278 if( p_sys->i_keyint != -1 )
280 codec.framespergop = p_sys->i_keyint;
283 if( p_sys->i_bframes != -1 )
285 codec.bframes = p_sys->i_bframes;
288 result = ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec );
291 msg_Err( p_access, "Failed to write new capture card settings." );
295 msg_Dbg( p_access, "Setting codec parameters to: framerate: "
296 "%d, bitrate: %d/%d/%d",
297 codec.framerate, codec.bitrate,
298 codec.bitrate_peak, codec.bitrate_mode );
302 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
304 #define MAX_V4L2_CTRLS (6)
305 /*****************************************************************************
306 * AddV4L2Ctrl: adds a control to the v4l2 controls list
307 *****************************************************************************/
308 static void AddV4L2Ctrl( access_t * p_access,
309 struct v4l2_ext_controls * p_controls,
310 uint32_t i_id, uint32_t i_value )
312 if( p_controls->count >= MAX_V4L2_CTRLS )
314 msg_Err( p_access, "Tried to set too many v4l2 controls at once." );
318 p_controls->controls[p_controls->count].id = i_id;
319 p_controls->controls[p_controls->count].value = i_value;
323 /*****************************************************************************
324 * V4L2SampleRate: calculate v4l2 sample rate from pvr-audio-bitmask
325 *****************************************************************************/
326 static uint32_t V4L2SampleRate( uint32_t i_bitmask )
328 switch( i_bitmask & 0x0003 )
330 case 0x0001: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
331 case 0x0002: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000;
333 return V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100;
336 /*****************************************************************************
337 * V4L2AudioEncoding: calculate v4l2 audio encoding level from pvr-audio-bitmask
338 *****************************************************************************/
339 static uint32_t V4L2AudioEncoding( uint32_t i_bitmask )
341 switch( i_bitmask & 0x000c )
343 case 0x0004: return V4L2_MPEG_AUDIO_ENCODING_LAYER_1;
344 case 0x0008: return V4L2_MPEG_AUDIO_ENCODING_LAYER_2;
349 /*****************************************************************************
350 * V4L2AudioL1Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
351 *****************************************************************************/
352 static uint32_t V4L2AudioL1Bitrate( uint32_t i_bitmask )
354 switch( i_bitmask & 0x00f0 )
356 case 0x0010: return V4L2_MPEG_AUDIO_L1_BITRATE_32K;
357 case 0x0020: return V4L2_MPEG_AUDIO_L1_BITRATE_64K;
358 case 0x0030: return V4L2_MPEG_AUDIO_L1_BITRATE_96K;
359 case 0x0040: return V4L2_MPEG_AUDIO_L1_BITRATE_128K;
360 case 0x0050: return V4L2_MPEG_AUDIO_L1_BITRATE_160K;
361 case 0x0060: return V4L2_MPEG_AUDIO_L1_BITRATE_192K;
362 case 0x0070: return V4L2_MPEG_AUDIO_L1_BITRATE_224K;
363 case 0x0080: return V4L2_MPEG_AUDIO_L1_BITRATE_256K;
364 case 0x0090: return V4L2_MPEG_AUDIO_L1_BITRATE_288K;
365 case 0x00a0: return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
366 case 0x00b0: return V4L2_MPEG_AUDIO_L1_BITRATE_352K;
367 case 0x00c0: return V4L2_MPEG_AUDIO_L1_BITRATE_384K;
368 case 0x00d0: return V4L2_MPEG_AUDIO_L1_BITRATE_416K;
369 case 0x00e0: return V4L2_MPEG_AUDIO_L1_BITRATE_448K;
371 return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
374 /*****************************************************************************
375 * V4L2AudioL2Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
376 *****************************************************************************/
377 static uint32_t V4L2AudioL2Bitrate( uint32_t i_bitmask )
379 switch( i_bitmask & 0x00f0 )
381 case 0x0010: return V4L2_MPEG_AUDIO_L2_BITRATE_32K;
382 case 0x0020: return V4L2_MPEG_AUDIO_L2_BITRATE_48K;
383 case 0x0030: return V4L2_MPEG_AUDIO_L2_BITRATE_56K;
384 case 0x0040: return V4L2_MPEG_AUDIO_L2_BITRATE_64K;
385 case 0x0050: return V4L2_MPEG_AUDIO_L2_BITRATE_80K;
386 case 0x0060: return V4L2_MPEG_AUDIO_L2_BITRATE_96K;
387 case 0x0070: return V4L2_MPEG_AUDIO_L2_BITRATE_112K;
388 case 0x0080: return V4L2_MPEG_AUDIO_L2_BITRATE_128K;
389 case 0x0090: return V4L2_MPEG_AUDIO_L2_BITRATE_160K;
390 case 0x00a0: return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
391 case 0x00b0: return V4L2_MPEG_AUDIO_L2_BITRATE_224K;
392 case 0x00c0: return V4L2_MPEG_AUDIO_L2_BITRATE_256K;
393 case 0x00d0: return V4L2_MPEG_AUDIO_L2_BITRATE_320K;
394 case 0x00e0: return V4L2_MPEG_AUDIO_L2_BITRATE_384K;
396 return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
399 /*****************************************************************************
400 * V4L2AudioMode: calculate v4l2 audio mode from pvr-audio-bitmask
401 *****************************************************************************/
402 static uint32_t V4L2AudioMode( uint32_t i_bitmask )
404 switch( i_bitmask & 0x0300 )
406 case 0x0100: return V4L2_MPEG_AUDIO_MODE_JOINT_STEREO;
407 case 0x0200: return V4L2_MPEG_AUDIO_MODE_DUAL;
408 case 0x0300: return V4L2_MPEG_AUDIO_MODE_MONO;
410 return V4L2_MPEG_AUDIO_MODE_STEREO;
413 /*****************************************************************************
414 * ConfigureV4L2: set up codec parameters using the new v4l2 api
415 *****************************************************************************/
416 static int ConfigureV4L2( access_t * p_access )
418 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
419 struct v4l2_ext_controls controls;
422 memset( &controls, 0, sizeof(struct v4l2_ext_controls) );
423 controls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
424 controls.error_idx = 0;
425 controls.reserved[0] = 0;
426 controls.reserved[1] = 0;
428 controls.controls = calloc( sizeof( struct v4l2_ext_control ),
431 if( controls.controls == NULL )
434 /* Note: Ignore frame rate. Doesn't look like it can be changed. */
435 if( p_sys->i_bitrate != -1 )
437 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE,
439 msg_Dbg( p_access, "Setting [%u] bitrate = %u",
440 controls.count - 1, p_sys->i_bitrate );
443 if( p_sys->i_bitrate_peak != -1 )
445 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
446 p_sys->i_bitrate_peak );
447 msg_Dbg( p_access, "Setting [%u] bitrate_peak = %u",
448 controls.count - 1, p_sys->i_bitrate_peak );
451 if( p_sys->i_bitrate_mode != -1 )
453 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
454 p_sys->i_bitrate_mode );
455 msg_Dbg( p_access, "Setting [%u] bitrate_mode = %u",
456 controls.count - 1, p_sys->i_bitrate_mode );
459 if( p_sys->i_audio_bitmask != -1 )
462 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
463 V4L2SampleRate( p_sys->i_audio_bitmask ) );
465 /* Encoding layer and bitrate */
466 switch( V4L2AudioEncoding( p_sys->i_audio_bitmask ) )
468 case V4L2_MPEG_AUDIO_ENCODING_LAYER_1:
469 AddV4L2Ctrl( p_access, &controls,
470 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
471 V4L2_MPEG_AUDIO_ENCODING_LAYER_1 );
472 AddV4L2Ctrl( p_access, &controls,
473 V4L2_CID_MPEG_AUDIO_L1_BITRATE,
474 V4L2AudioL1Bitrate( p_sys->i_audio_bitmask ) );
477 case V4L2_MPEG_AUDIO_ENCODING_LAYER_2:
478 AddV4L2Ctrl( p_access, &controls,
479 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
480 V4L2_MPEG_AUDIO_ENCODING_LAYER_2 );
481 AddV4L2Ctrl( p_access, &controls,
482 V4L2_CID_MPEG_AUDIO_L2_BITRATE,
483 V4L2AudioL2Bitrate( p_sys->i_audio_bitmask ) );
487 /* Audio mode - stereo or mono */
488 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_MODE,
489 V4L2AudioMode( p_sys->i_audio_bitmask ) );
491 /* See if the user wants any other audio feature */
492 if( ( p_sys->i_audio_bitmask & 0x1ff00 ) != 0 )
494 /* It would be possible to support the bits that represent:
495 * V4L2_CID_MPEG_AUDIO_MODE_EXTENSION
496 * V4L2_CID_MPEG_AUDIO_EMPHASIS
497 * V4L2_CID_MPEG_AUDIO_CRC
498 * but they are not currently used. Tell the user.
500 msg_Err( p_access, "There were bits in pvr-audio-bitmask that were not used.");
502 msg_Dbg( p_access, "Setting audio controls");
505 if( p_sys->i_keyint != -1 )
507 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
509 msg_Dbg( p_access, "Setting [%u] keyint = %u",
510 controls.count - 1, p_sys->i_keyint );
513 if( p_sys->i_bframes != -1 )
515 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_B_FRAMES,
517 msg_Dbg( p_access, "Setting [%u] bframes = %u",
518 controls.count - 1, p_sys->i_bframes );
521 result = ioctl( p_sys->i_fd, VIDIOC_S_EXT_CTRLS, &controls );
524 msg_Err( p_access, "Failed to write %u new capture card settings.",
525 controls.error_idx );
527 free( controls.controls );
531 #endif /* HAVE_NEW_LINUX_VIDEODEV2_H */
533 /*****************************************************************************
534 * Open: open the device
535 *****************************************************************************/
536 static int Open( vlc_object_t * p_this )
538 access_t *p_access = (access_t*) p_this;
539 access_sys_t * p_sys;
542 char * psz_device = NULL;
544 struct v4l2_capability device_capability;
547 memset( &device_capability, 0, sizeof(struct v4l2_capability) );
549 p_access->pf_read = Read;
550 p_access->pf_block = NULL;
551 p_access->pf_seek = NULL;
552 p_access->pf_control = Control;
553 p_access->info.i_update = 0;
554 p_access->info.i_size = 0;
555 p_access->info.i_pos = 0;
556 p_access->info.b_eof = VLC_FALSE;
557 p_access->info.i_title = 0;
558 p_access->info.i_seekpoint = 0;
560 /* create private access data */
561 p_sys = calloc( sizeof( access_sys_t ), 1 );
565 p_access->p_sys = p_sys;
567 /* defaults values */
568 var_Create( p_access, "pvr-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
570 var_Create( p_access, "pvr-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
571 var_Get( p_access, "pvr-device" , &val);
572 p_sys->psz_videodev = val.psz_string;
574 var_Create( p_access, "pvr-radio-device", VLC_VAR_STRING |
576 var_Get( p_access, "pvr-radio-device" , &val);
577 p_sys->psz_radiodev = val.psz_string;
579 var_Create( p_access, "pvr-norm", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
580 var_Get( p_access, "pvr-norm" , &val);
581 p_sys->i_standard = val.i_int;
583 var_Create( p_access, "pvr-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
584 var_Get( p_access, "pvr-width" , &val);
585 p_sys->i_width = val.i_int;
587 var_Create( p_access, "pvr-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
588 var_Get( p_access, "pvr-height" , &val);
589 p_sys->i_height = val.i_int;
591 var_Create( p_access, "pvr-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
592 var_Get( p_access, "pvr-frequency" , &val);
593 p_sys->i_frequency = val.i_int;
595 var_Create( p_access, "pvr-framerate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
596 var_Get( p_access, "pvr-framerate" , &val);
597 p_sys->i_framerate = val.i_int;
599 var_Create( p_access, "pvr-keyint", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
600 var_Get( p_access, "pvr-keyint" , &val);
601 p_sys->i_keyint = val.i_int;
603 var_Create( p_access, "pvr-bframes", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
604 var_Get( p_access, "pvr-bframes" , &val);
605 p_sys->i_bframes = val.b_bool;
607 var_Create( p_access, "pvr-bitrate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
608 var_Get( p_access, "pvr-bitrate" , &val);
609 p_sys->i_bitrate = val.i_int;
611 var_Create( p_access, "pvr-bitrate-peak", VLC_VAR_INTEGER |
613 var_Get( p_access, "pvr-bitrate-peak" , &val);
614 p_sys->i_bitrate_peak = val.i_int;
616 var_Create( p_access, "pvr-bitrate-mode", VLC_VAR_INTEGER |
618 var_Get( p_access, "pvr-bitrate-mode" , &val);
619 p_sys->i_bitrate_mode = val.i_int;
621 var_Create( p_access, "pvr-audio-bitmask", VLC_VAR_INTEGER |
623 var_Get( p_access, "pvr-audio-bitmask" , &val);
624 p_sys->i_audio_bitmask = val.i_int;
626 var_Create( p_access, "pvr-audio-volume", VLC_VAR_INTEGER |
628 var_Get( p_access, "pvr-audio-volume" , &val);
629 p_sys->i_volume = val.i_int;
631 var_Create( p_access, "pvr-channel", VLC_VAR_INTEGER |
633 var_Get( p_access, "pvr-channel" , &val);
634 p_sys->i_input = val.i_int;
636 /* parse command line options */
637 psz_tofree = strdup( p_access->psz_path );
641 psz_parser = psz_tofree;
646 if ( !strncmp( psz_parser, "norm=", strlen( "norm=" ) ) )
648 char *psz_parser_init;
649 psz_parser += strlen( "norm=" );
650 psz_parser_init = psz_parser;
651 while ( (*psz_parser != ':')
652 && (*psz_parser != ',')
653 && (*psz_parser != '\0') )
658 if ( !strncmp( psz_parser_init, "secam" ,
659 psz_parser - psz_parser_init ) )
661 p_sys->i_standard = V4L2_STD_SECAM;
663 else if ( !strncmp( psz_parser_init, "pal" ,
664 psz_parser - psz_parser_init ) )
666 p_sys->i_standard = V4L2_STD_PAL;
668 else if ( !strncmp( psz_parser_init, "ntsc" ,
669 psz_parser - psz_parser_init ) )
671 p_sys->i_standard = V4L2_STD_NTSC;
675 p_sys->i_standard = strtol( psz_parser_init ,
679 else if( !strncmp( psz_parser, "channel=",
680 strlen( "channel=" ) ) )
683 strtol( psz_parser + strlen( "channel=" ),
686 else if( !strncmp( psz_parser, "device=", strlen( "device=" ) ) )
688 int i_len = strlen( "/dev/videox" );
689 psz_device = calloc( i_len + 1, 1 );
693 snprintf( psz_device, i_len, "/dev/video%ld",
694 strtol( psz_parser + strlen( "device=" ),
697 else if( !strncmp( psz_parser, "frequency=",
698 strlen( "frequency=" ) ) )
701 strtol( psz_parser + strlen( "frequency=" ),
704 else if( !strncmp( psz_parser, "framerate=",
705 strlen( "framerate=" ) ) )
708 strtol( psz_parser + strlen( "framerate=" ),
711 else if( !strncmp( psz_parser, "keyint=",
712 strlen( "keyint=" ) ) )
715 strtol( psz_parser + strlen( "keyint=" ),
718 else if( !strncmp( psz_parser, "bframes=",
719 strlen( "bframes=" ) ) )
722 strtol( psz_parser + strlen( "bframes=" ),
726 else if( !strncmp( psz_parser, "width=",
727 strlen( "width=" ) ) )
730 strtol( psz_parser + strlen( "width=" ),
733 else if( !strncmp( psz_parser, "height=",
734 strlen( "height=" ) ) )
737 strtol( psz_parser + strlen( "height=" ),
740 else if( !strncmp( psz_parser, "audio=",
741 strlen( "audio=" ) ) )
743 p_sys->i_audio_bitmask =
744 strtol( psz_parser + strlen( "audio=" ),
747 else if( !strncmp( psz_parser, "bitrate=",
748 strlen( "bitrate=" ) ) )
751 strtol( psz_parser + strlen( "bitrate=" ),
754 else if( !strncmp( psz_parser, "maxbitrate=",
755 strlen( "maxbitrate=" ) ) )
757 p_sys->i_bitrate_peak =
758 strtol( psz_parser + strlen( "maxbitrate=" ),
761 else if( !strncmp( psz_parser, "bitratemode=",
762 strlen( "bitratemode=" ) ) )
764 char *psz_parser_init;
765 psz_parser += strlen( "bitratemode=" );
766 psz_parser_init = psz_parser;
767 while ( (*psz_parser != ':')
768 && (*psz_parser != ',')
769 && (*psz_parser != '\0') )
774 if ( !strncmp( psz_parser_init, "vbr" ,
775 psz_parser - psz_parser_init ) )
777 p_sys->i_bitrate_mode = 0;
779 else if ( !strncmp( psz_parser_init, "cbr" ,
780 psz_parser - psz_parser_init ) )
782 p_sys->i_bitrate_mode = 1;
785 else if( !strncmp( psz_parser, "size=",
786 strlen( "size=" ) ) )
789 strtol( psz_parser + strlen( "size=" ),
792 strtol( psz_parser + 1 ,
797 char *psz_parser_init;
798 psz_parser_init = psz_parser;
799 while ( (*psz_parser != ':') &&
800 (*psz_parser != ',') &&
801 (*psz_parser != '\0') )
805 psz_device = calloc( psz_parser - psz_parser_init + 1, 1 );
809 strncpy( psz_device, psz_parser_init,
810 psz_parser - psz_parser_init );
822 if( p_sys->psz_videodev )
823 free( p_sys->psz_videodev );
824 p_sys->psz_videodev = psz_device;
827 /* open the device */
828 p_sys->i_fd = open( p_sys->psz_videodev, O_RDWR );
829 if( p_sys->i_fd < 0 )
831 msg_Err( p_access, "Cannot open device (%s).", strerror( errno ) );
832 Close( VLC_OBJECT(p_access) );
835 msg_Dbg( p_access, "Using video device: %s.", p_sys->psz_videodev);
837 /* See what version of ivtvdriver is running */
838 result = ioctl( p_sys->i_fd, VIDIOC_QUERYCAP, &device_capability );
841 msg_Err( p_access, "unknown ivtv driver version in use" );
842 Close( VLC_OBJECT(p_access) );
846 msg_Dbg( p_access, "ivtv driver version %02x.%02x.%02x",
847 ( device_capability.version >> 16 ) & 0xff,
848 ( device_capability.version >> 8 ) & 0xff,
849 ( device_capability.version ) & 0xff);
851 if ( device_capability.version >= 0x000800 )
853 /* Drivers > 0.8.0 use v4l2 API instead of IVTV ioctls */
854 msg_Dbg( p_access, "this driver uses the v4l2 API" );
855 p_sys->b_v4l2_api = VLC_TRUE;
859 p_sys->b_v4l2_api = VLC_FALSE;
863 if ( p_sys->i_input != -1 )
865 result = ioctl( p_sys->i_fd, VIDIOC_S_INPUT, &p_sys->i_input );
867 msg_Warn( p_access, "Failed to select the requested input pin." );
869 msg_Dbg( p_access, "input set to: %d", p_sys->i_input );
872 /* set the video standard */
873 if ( p_sys->i_standard != V4L2_STD_UNKNOWN )
875 result = ioctl( p_sys->i_fd, VIDIOC_S_STD, &p_sys->i_standard );
877 msg_Warn( p_access, "Failed to set the requested video standard." );
879 msg_Dbg( p_access, "video standard set to: %x",
883 /* set the picture size */
884 if ( (p_sys->i_width != -1) || (p_sys->i_height != -1) )
886 struct v4l2_format vfmt;
888 memset( &vfmt, 0, sizeof(struct v4l2_format) );
889 vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
891 result = ioctl( p_sys->i_fd, VIDIOC_G_FMT, &vfmt );
894 msg_Warn( p_access, "Failed to read current picture size." );
898 if ( p_sys->i_width != -1 )
900 vfmt.fmt.pix.width = p_sys->i_width;
903 if ( p_sys->i_height != -1 )
905 vfmt.fmt.pix.height = p_sys->i_height;
908 result = ioctl( p_sys->i_fd, VIDIOC_S_FMT, &vfmt );
911 msg_Warn( p_access, "Failed to set requested picture size." );
915 msg_Dbg( p_access, "picture size set to: %dx%d",
916 vfmt.fmt.pix.width, vfmt.fmt.pix.height );
921 /* set the frequency */
922 if ( p_sys->i_frequency != -1 )
925 struct v4l2_tuner vt;
927 /* TODO: let the user choose the tuner */
928 memset( &vt, 0, sizeof(struct v4l2_tuner) );
930 if ( (p_sys->i_frequency >= pi_radio_range[0])
931 && (p_sys->i_frequency <= pi_radio_range[1]) )
933 p_sys->i_radio_fd = open( p_sys->psz_radiodev, O_RDWR );
934 if( p_sys->i_radio_fd < 0 )
936 msg_Err( p_access, "Cannot open radio device (%s).",
938 Close( VLC_OBJECT(p_access) );
941 msg_Dbg( p_access, "using radio device: %s",
942 p_sys->psz_radiodev );
943 i_fd = p_sys->i_radio_fd;
948 p_sys->i_radio_fd = -1;
951 result = ioctl( i_fd, VIDIOC_G_TUNER, &vt );
954 msg_Warn( p_access, "Failed to read tuner information (%s).",
959 struct v4l2_frequency vf;
961 memset( &vf, 0, sizeof(struct v4l2_frequency) );
964 result = ioctl( i_fd, VIDIOC_G_FREQUENCY, &vf );
967 msg_Warn( p_access, "Failed to read tuner frequency (%s).",
972 if( vt.capability & V4L2_TUNER_CAP_LOW )
973 vf.frequency = p_sys->i_frequency * 16;
975 vf.frequency = (p_sys->i_frequency * 16 + 500) / 1000;
977 result = ioctl( i_fd, VIDIOC_S_FREQUENCY, &vf );
980 msg_Warn( p_access, "Failed to set tuner frequency (%s).",
985 msg_Dbg( p_access, "tuner frequency set to: %d",
986 p_sys->i_frequency );
992 /* control parameters */
993 if ( p_sys->i_volume != -1 )
995 struct v4l2_control ctrl;
997 memset( &ctrl, 0, sizeof(struct v4l2_control) );
998 ctrl.id = V4L2_CID_AUDIO_VOLUME;
999 ctrl.value = p_sys->i_volume;
1001 result = ioctl( p_sys->i_fd, VIDIOC_S_CTRL, &ctrl );
1004 msg_Warn( p_access, "Failed to set the volume." );
1008 /* codec parameters */
1009 if ( (p_sys->i_framerate != -1)
1010 || (p_sys->i_bitrate_mode != -1)
1011 || (p_sys->i_bitrate_peak != -1)
1012 || (p_sys->i_keyint != -1)
1013 || (p_sys->i_bframes != -1)
1014 || (p_sys->i_bitrate != -1)
1015 || (p_sys->i_audio_bitmask != -1) )
1017 if( p_sys->b_v4l2_api )
1019 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
1020 result = ConfigureV4L2( p_access );
1021 if( result != VLC_SUCCESS )
1023 Close( VLC_OBJECT(p_access) );
1027 msg_Warn( p_access, "You have new ivtvdrivers, "
1028 "but this vlc was built against an old v4l2 version." );
1033 result = ConfigureIVTV( p_access );
1034 if( result != VLC_SUCCESS )
1036 Close( VLC_OBJECT(p_access) );
1045 /*****************************************************************************
1046 * Close: close the device
1047 *****************************************************************************/
1048 static void Close( vlc_object_t * p_this )
1050 access_t *p_access = (access_t*) p_this;
1051 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
1053 if ( p_sys->i_fd != -1 )
1054 close( p_sys->i_fd );
1055 if ( p_sys->i_radio_fd != -1 )
1056 close( p_sys->i_radio_fd );
1057 if ( p_sys->psz_videodev )
1058 free( p_sys->psz_videodev );
1059 if ( p_sys->psz_radiodev )
1060 free( p_sys->psz_radiodev );
1064 /*****************************************************************************
1066 *****************************************************************************/
1067 static int Read( access_t * p_access, uint8_t * p_buffer, int i_len )
1069 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
1073 ufd.fd = p_sys->i_fd;
1074 ufd.events = POLLIN;
1076 if( p_access->info.b_eof )
1081 if( p_access->b_die )
1086 while( ( i_ret = poll( &ufd, 1, 500 ) ) == 0 );
1090 msg_Err( p_access, "Select error (%s).", strerror( errno ) );
1094 i_ret = read( p_sys->i_fd, p_buffer, i_len );
1097 p_access->info.b_eof = VLC_TRUE;
1099 else if( i_ret > 0 )
1101 p_access->info.i_pos += i_ret;
1107 /*****************************************************************************
1109 *****************************************************************************/
1110 static int Control( access_t *p_access, int i_query, va_list args )
1112 vlc_bool_t *pb_bool;
1119 case ACCESS_CAN_SEEK:
1120 case ACCESS_CAN_FASTSEEK:
1121 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1122 *pb_bool = VLC_FALSE;
1124 case ACCESS_CAN_PAUSE:
1125 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1126 *pb_bool = VLC_FALSE;
1128 case ACCESS_CAN_CONTROL_PACE:
1129 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1130 *pb_bool = VLC_FALSE;
1134 case ACCESS_GET_MTU:
1135 pi_int = (int*)va_arg( args, int * );
1139 case ACCESS_GET_PTS_DELAY:
1140 pi_64 = (int64_t*)va_arg( args, int64_t * );
1141 *pi_64 = (int64_t)var_GetInteger( p_access, "pvr-caching" ) * 1000;
1145 case ACCESS_SET_PAUSE_STATE:
1149 case ACCESS_GET_TITLE_INFO:
1150 case ACCESS_SET_TITLE:
1151 case ACCESS_SET_SEEKPOINT:
1152 case ACCESS_SET_PRIVATE_ID_STATE:
1153 return VLC_EGENERIC;
1156 msg_Warn( p_access, "Unimplemented query in control." );
1157 return VLC_EGENERIC;