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 *****************************************************************************/
33 #include <vlc_plugin.h>
34 #include <vlc_access.h>
36 #include <sys/types.h>
41 #include <linux/types.h>
42 #include <sys/ioctl.h>
44 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
45 # ifdef VIDEODEV2_H_FILE
46 # include VIDEODEV2_H_FILE
48 # include <linux/videodev2.h>
51 #include "videodev2.h"
54 /*****************************************************************************
56 *****************************************************************************/
57 static int Open ( vlc_object_t * );
58 static void Close( vlc_object_t * );
60 #define CACHING_TEXT N_("Caching value in ms")
61 #define CACHING_LONGTEXT N_( \
62 "Default caching value for PVR streams. This " \
63 "value should be set in milliseconds." )
65 #define DEVICE_TEXT N_( "Device" )
66 #define DEVICE_LONGTEXT N_( "PVR video device" )
68 #define RADIO_DEVICE_TEXT N_( "Radio device" )
69 #define RADIO_DEVICE_LONGTEXT N_( "PVR radio device" )
71 #define NORM_TEXT N_( "Norm" )
72 #define NORM_LONGTEXT N_( "Norm of the stream " \
73 "(Automatic, SECAM, PAL, or NTSC)." )
75 #define WIDTH_TEXT N_( "Width" )
76 #define WIDTH_LONGTEXT N_( "Width of the stream to capture " \
77 "(-1 for autodetection)." )
79 #define HEIGHT_TEXT N_( "Height" )
80 #define HEIGHT_LONGTEXT N_( "Height of the stream to capture " \
81 "(-1 for autodetection)." )
83 #define FREQUENCY_TEXT N_( "Frequency" )
84 #define FREQUENCY_LONGTEXT N_( "Frequency to capture (in kHz), if applicable." )
86 #define FRAMERATE_TEXT N_( "Framerate" )
87 #define FRAMERATE_LONGTEXT N_( "Framerate to capture, if applicable " \
88 "(-1 for autodetect)." )
90 #define KEYINT_TEXT N_( "Key interval" )
91 #define KEYINT_LONGTEXT N_( "Interval between keyframes (-1 for autodetect)." )
93 #define BFRAMES_TEXT N_( "B Frames" )
94 #define BFRAMES_LONGTEXT N_("If this option is set, B-Frames will be used. " \
95 "Use this option to set the number of B-Frames.")
97 #define BITRATE_TEXT N_( "Bitrate" )
98 #define BITRATE_LONGTEXT N_( "Bitrate to use (-1 for default)." )
100 #define BITRATE_PEAK_TEXT N_( "Bitrate peak" )
101 #define BITRATE_PEAK_LONGTEXT N_( "Peak bitrate in VBR mode." )
103 #define BITRATE_MODE_TEXT N_( "Bitrate mode" )
104 #define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use (VBR or CBR)." )
106 #define BITMASK_TEXT N_( "Audio bitmask" )
107 #define BITMASK_LONGTEXT N_("Bitmask that will "\
108 "get used by the audio part of the card." )
110 #define VOLUME_TEXT N_( "Volume" )
111 #define VOLUME_LONGTEXT N_("Audio volume (0-65535)." )
113 #define CHAN_TEXT N_( "Channel" )
114 #define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, " \
115 "1 = composite, 2 = svideo)" )
117 static int i_norm_list[] =
118 { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC };
119 static const char *psz_norm_list_text[] =
120 { N_("Automatic"), N_("SECAM"), N_("PAL"), N_("NTSC") };
122 static int i_bitrates[] = { 0, 1 };
123 static const char *psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
125 static int pi_radio_range[2] = { 65000, 108000 };
128 set_shortname( N_("PVR") );
129 set_description( N_("IVTV MPEG Encoding cards input") );
130 set_category( CAT_INPUT );
131 set_subcategory( SUBCAT_INPUT_ACCESS );
132 set_capability( "access", 0 );
133 add_shortcut( "pvr" );
135 add_integer( "pvr-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
136 CACHING_LONGTEXT, true );
137 add_string( "pvr-device", "/dev/video0", NULL, DEVICE_TEXT,
138 DEVICE_LONGTEXT, false );
139 add_string( "pvr-radio-device", "/dev/radio0", NULL, RADIO_DEVICE_TEXT,
140 RADIO_DEVICE_LONGTEXT, false );
141 add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NULL, NORM_TEXT,
142 NORM_LONGTEXT, false );
143 change_integer_list( i_norm_list, psz_norm_list_text, 0 );
144 add_integer( "pvr-width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, true );
145 add_integer( "pvr-height", -1, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT,
147 add_integer( "pvr-frequency", -1, NULL, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
149 add_integer( "pvr-framerate", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
151 add_integer( "pvr-keyint", -1, NULL, KEYINT_TEXT, KEYINT_LONGTEXT,
153 add_integer( "pvr-bframes", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
155 add_integer( "pvr-bitrate", -1, NULL, BITRATE_TEXT, BITRATE_LONGTEXT,
157 add_integer( "pvr-bitrate-peak", -1, NULL, BITRATE_PEAK_TEXT,
158 BITRATE_PEAK_LONGTEXT, true );
159 add_integer( "pvr-bitrate-mode", -1, NULL, BITRATE_MODE_TEXT,
160 BITRATE_MODE_LONGTEXT, true );
161 change_integer_list( i_bitrates, psz_bitrates_list_text, 0 );
162 add_integer( "pvr-audio-bitmask", -1, NULL, BITMASK_TEXT,
163 BITMASK_LONGTEXT, true );
164 add_integer( "pvr-audio-volume", -1, NULL, VOLUME_TEXT,
165 VOLUME_LONGTEXT, true );
166 add_integer( "pvr-channel", -1, NULL, CHAN_TEXT, CHAN_LONGTEXT, true );
168 set_callbacks( Open, Close );
171 /*****************************************************************************
173 *****************************************************************************/
174 static ssize_t Read ( access_t *, uint8_t *, size_t );
175 static int Control( access_t *, int, va_list );
177 /* ivtv specific ioctls */
178 #define IVTV_IOC_G_CODEC 0xFFEE7703
179 #define IVTV_IOC_S_CODEC 0xFFEE7704
181 /* for use with IVTV_IOC_G_CODEC and IVTV_IOC_S_CODEC */
183 struct ivtv_ioctl_codec {
185 uint32_t audio_bitmask;
187 uint32_t bitrate_mode;
189 uint32_t bitrate_peak;
191 uint32_t dnr_spatial;
192 uint32_t dnr_temporal;
195 uint32_t framespergop;
196 uint32_t gop_closure;
198 uint32_t stream_type;
203 /* file descriptor */
229 /*****************************************************************************
230 * ConfigureIVTV: set up codec parameters using the old ivtv api
231 *****************************************************************************/
232 static int ConfigureIVTV( access_t * p_access )
234 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
235 struct ivtv_ioctl_codec codec;
238 memset( &codec, 0, sizeof(struct ivtv_ioctl_codec) );
240 result = ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec );
243 msg_Err( p_access, "Failed to read current capture card settings." );
247 if( p_sys->i_framerate != -1 )
249 switch( p_sys->i_framerate )
260 msg_Warn( p_access, "Invalid framerate, reverting to 25." );
266 if( p_sys->i_bitrate != -1 )
268 codec.bitrate = p_sys->i_bitrate;
271 if( p_sys->i_bitrate_peak != -1 )
273 codec.bitrate_peak = p_sys->i_bitrate_peak;
276 if( p_sys->i_bitrate_mode != -1 )
278 codec.bitrate_mode = p_sys->i_bitrate_mode;
281 if( p_sys->i_audio_bitmask != -1 )
283 codec.audio_bitmask = p_sys->i_audio_bitmask;
286 if( p_sys->i_keyint != -1 )
288 codec.framespergop = p_sys->i_keyint;
291 if( p_sys->i_bframes != -1 )
293 codec.bframes = p_sys->i_bframes;
296 result = ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec );
299 msg_Err( p_access, "Failed to write new capture card settings." );
303 msg_Dbg( p_access, "Setting codec parameters to: framerate: "
304 "%d, bitrate: %d/%d/%d",
305 codec.framerate, codec.bitrate,
306 codec.bitrate_peak, codec.bitrate_mode );
310 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
312 #define MAX_V4L2_CTRLS (6)
313 /*****************************************************************************
314 * AddV4L2Ctrl: adds a control to the v4l2 controls list
315 *****************************************************************************/
316 static void AddV4L2Ctrl( access_t * p_access,
317 struct v4l2_ext_controls * p_controls,
318 uint32_t i_id, uint32_t i_value )
320 if( p_controls->count >= MAX_V4L2_CTRLS )
322 msg_Err( p_access, "Tried to set too many v4l2 controls at once." );
326 p_controls->controls[p_controls->count].id = i_id;
327 p_controls->controls[p_controls->count].value = i_value;
331 /*****************************************************************************
332 * V4L2SampleRate: calculate v4l2 sample rate from pvr-audio-bitmask
333 *****************************************************************************/
334 static uint32_t V4L2SampleRate( uint32_t i_bitmask )
336 switch( i_bitmask & 0x0003 )
338 case 0x0001: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
339 case 0x0002: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000;
341 return V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100;
344 /*****************************************************************************
345 * V4L2AudioEncoding: calculate v4l2 audio encoding level from pvr-audio-bitmask
346 *****************************************************************************/
347 static uint32_t V4L2AudioEncoding( uint32_t i_bitmask )
349 switch( i_bitmask & 0x000c )
351 case 0x0004: return V4L2_MPEG_AUDIO_ENCODING_LAYER_1;
352 case 0x0008: return V4L2_MPEG_AUDIO_ENCODING_LAYER_2;
357 /*****************************************************************************
358 * V4L2AudioL1Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
359 *****************************************************************************/
360 static uint32_t V4L2AudioL1Bitrate( uint32_t i_bitmask )
362 switch( i_bitmask & 0x00f0 )
364 case 0x0010: return V4L2_MPEG_AUDIO_L1_BITRATE_32K;
365 case 0x0020: return V4L2_MPEG_AUDIO_L1_BITRATE_64K;
366 case 0x0030: return V4L2_MPEG_AUDIO_L1_BITRATE_96K;
367 case 0x0040: return V4L2_MPEG_AUDIO_L1_BITRATE_128K;
368 case 0x0050: return V4L2_MPEG_AUDIO_L1_BITRATE_160K;
369 case 0x0060: return V4L2_MPEG_AUDIO_L1_BITRATE_192K;
370 case 0x0070: return V4L2_MPEG_AUDIO_L1_BITRATE_224K;
371 case 0x0080: return V4L2_MPEG_AUDIO_L1_BITRATE_256K;
372 case 0x0090: return V4L2_MPEG_AUDIO_L1_BITRATE_288K;
373 case 0x00a0: return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
374 case 0x00b0: return V4L2_MPEG_AUDIO_L1_BITRATE_352K;
375 case 0x00c0: return V4L2_MPEG_AUDIO_L1_BITRATE_384K;
376 case 0x00d0: return V4L2_MPEG_AUDIO_L1_BITRATE_416K;
377 case 0x00e0: return V4L2_MPEG_AUDIO_L1_BITRATE_448K;
379 return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
382 /*****************************************************************************
383 * V4L2AudioL2Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
384 *****************************************************************************/
385 static uint32_t V4L2AudioL2Bitrate( uint32_t i_bitmask )
387 switch( i_bitmask & 0x00f0 )
389 case 0x0010: return V4L2_MPEG_AUDIO_L2_BITRATE_32K;
390 case 0x0020: return V4L2_MPEG_AUDIO_L2_BITRATE_48K;
391 case 0x0030: return V4L2_MPEG_AUDIO_L2_BITRATE_56K;
392 case 0x0040: return V4L2_MPEG_AUDIO_L2_BITRATE_64K;
393 case 0x0050: return V4L2_MPEG_AUDIO_L2_BITRATE_80K;
394 case 0x0060: return V4L2_MPEG_AUDIO_L2_BITRATE_96K;
395 case 0x0070: return V4L2_MPEG_AUDIO_L2_BITRATE_112K;
396 case 0x0080: return V4L2_MPEG_AUDIO_L2_BITRATE_128K;
397 case 0x0090: return V4L2_MPEG_AUDIO_L2_BITRATE_160K;
398 case 0x00a0: return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
399 case 0x00b0: return V4L2_MPEG_AUDIO_L2_BITRATE_224K;
400 case 0x00c0: return V4L2_MPEG_AUDIO_L2_BITRATE_256K;
401 case 0x00d0: return V4L2_MPEG_AUDIO_L2_BITRATE_320K;
402 case 0x00e0: return V4L2_MPEG_AUDIO_L2_BITRATE_384K;
404 return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
407 /*****************************************************************************
408 * V4L2AudioMode: calculate v4l2 audio mode from pvr-audio-bitmask
409 *****************************************************************************/
410 static uint32_t V4L2AudioMode( uint32_t i_bitmask )
412 switch( i_bitmask & 0x0300 )
414 case 0x0100: return V4L2_MPEG_AUDIO_MODE_JOINT_STEREO;
415 case 0x0200: return V4L2_MPEG_AUDIO_MODE_DUAL;
416 case 0x0300: return V4L2_MPEG_AUDIO_MODE_MONO;
418 return V4L2_MPEG_AUDIO_MODE_STEREO;
421 /*****************************************************************************
422 * ConfigureV4L2: set up codec parameters using the new v4l2 api
423 *****************************************************************************/
424 static int ConfigureV4L2( access_t * p_access )
426 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
427 struct v4l2_ext_controls controls;
430 memset( &controls, 0, sizeof(struct v4l2_ext_controls) );
431 controls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
432 controls.error_idx = 0;
433 controls.reserved[0] = 0;
434 controls.reserved[1] = 0;
436 controls.controls = calloc( sizeof( struct v4l2_ext_control ),
439 if( controls.controls == NULL )
442 /* Note: Ignore frame rate. Doesn't look like it can be changed. */
443 if( p_sys->i_bitrate != -1 )
445 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE,
447 msg_Dbg( p_access, "Setting [%u] bitrate = %u",
448 controls.count - 1, p_sys->i_bitrate );
451 if( p_sys->i_bitrate_peak != -1 )
453 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
454 p_sys->i_bitrate_peak );
455 msg_Dbg( p_access, "Setting [%u] bitrate_peak = %u",
456 controls.count - 1, p_sys->i_bitrate_peak );
459 if( p_sys->i_bitrate_mode != -1 )
461 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
462 p_sys->i_bitrate_mode );
463 msg_Dbg( p_access, "Setting [%u] bitrate_mode = %u",
464 controls.count - 1, p_sys->i_bitrate_mode );
467 if( p_sys->i_audio_bitmask != -1 )
470 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
471 V4L2SampleRate( p_sys->i_audio_bitmask ) );
473 /* Encoding layer and bitrate */
474 switch( V4L2AudioEncoding( p_sys->i_audio_bitmask ) )
476 case V4L2_MPEG_AUDIO_ENCODING_LAYER_1:
477 AddV4L2Ctrl( p_access, &controls,
478 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
479 V4L2_MPEG_AUDIO_ENCODING_LAYER_1 );
480 AddV4L2Ctrl( p_access, &controls,
481 V4L2_CID_MPEG_AUDIO_L1_BITRATE,
482 V4L2AudioL1Bitrate( p_sys->i_audio_bitmask ) );
485 case V4L2_MPEG_AUDIO_ENCODING_LAYER_2:
486 AddV4L2Ctrl( p_access, &controls,
487 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
488 V4L2_MPEG_AUDIO_ENCODING_LAYER_2 );
489 AddV4L2Ctrl( p_access, &controls,
490 V4L2_CID_MPEG_AUDIO_L2_BITRATE,
491 V4L2AudioL2Bitrate( p_sys->i_audio_bitmask ) );
495 /* Audio mode - stereo or mono */
496 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_MODE,
497 V4L2AudioMode( p_sys->i_audio_bitmask ) );
499 /* See if the user wants any other audio feature */
500 if( ( p_sys->i_audio_bitmask & 0x1ff00 ) != 0 )
502 /* It would be possible to support the bits that represent:
503 * V4L2_CID_MPEG_AUDIO_MODE_EXTENSION
504 * V4L2_CID_MPEG_AUDIO_EMPHASIS
505 * V4L2_CID_MPEG_AUDIO_CRC
506 * but they are not currently used. Tell the user.
508 msg_Err( p_access, "There were bits in pvr-audio-bitmask that were not used.");
510 msg_Dbg( p_access, "Setting audio controls");
513 if( p_sys->i_keyint != -1 )
515 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
517 msg_Dbg( p_access, "Setting [%u] keyint = %u",
518 controls.count - 1, p_sys->i_keyint );
521 if( p_sys->i_bframes != -1 )
523 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_B_FRAMES,
525 msg_Dbg( p_access, "Setting [%u] bframes = %u",
526 controls.count - 1, p_sys->i_bframes );
529 result = ioctl( p_sys->i_fd, VIDIOC_S_EXT_CTRLS, &controls );
532 msg_Err( p_access, "Failed to write %u new capture card settings.",
533 controls.error_idx );
535 free( controls.controls );
539 #endif /* HAVE_NEW_LINUX_VIDEODEV2_H */
541 /*****************************************************************************
542 * Open: open the device
543 *****************************************************************************/
544 static int Open( vlc_object_t * p_this )
546 access_t *p_access = (access_t*) p_this;
547 access_sys_t * p_sys;
550 char * psz_device = NULL;
552 struct v4l2_capability device_capability;
555 memset( &device_capability, 0, sizeof(struct v4l2_capability) );
557 p_access->pf_read = Read;
558 p_access->pf_block = NULL;
559 p_access->pf_seek = NULL;
560 p_access->pf_control = Control;
561 p_access->info.i_update = 0;
562 p_access->info.i_size = 0;
563 p_access->info.i_pos = 0;
564 p_access->info.b_eof = false;
565 p_access->info.i_title = 0;
566 p_access->info.i_seekpoint = 0;
568 /* create private access data */
569 p_sys = calloc( sizeof( access_sys_t ), 1 );
573 p_access->p_sys = p_sys;
575 /* defaults values */
576 var_Create( p_access, "pvr-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
578 var_Create( p_access, "pvr-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
579 var_Get( p_access, "pvr-device" , &val);
580 p_sys->psz_videodev = val.psz_string;
582 var_Create( p_access, "pvr-radio-device", VLC_VAR_STRING |
584 var_Get( p_access, "pvr-radio-device" , &val);
585 p_sys->psz_radiodev = val.psz_string;
587 var_Create( p_access, "pvr-norm", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
588 var_Get( p_access, "pvr-norm" , &val);
589 p_sys->i_standard = val.i_int;
591 var_Create( p_access, "pvr-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
592 var_Get( p_access, "pvr-width" , &val);
593 p_sys->i_width = val.i_int;
595 var_Create( p_access, "pvr-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
596 var_Get( p_access, "pvr-height" , &val);
597 p_sys->i_height = val.i_int;
599 var_Create( p_access, "pvr-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
600 var_Get( p_access, "pvr-frequency" , &val);
601 p_sys->i_frequency = val.i_int;
603 var_Create( p_access, "pvr-framerate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
604 var_Get( p_access, "pvr-framerate" , &val);
605 p_sys->i_framerate = val.i_int;
607 var_Create( p_access, "pvr-keyint", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
608 var_Get( p_access, "pvr-keyint" , &val);
609 p_sys->i_keyint = val.i_int;
611 var_Create( p_access, "pvr-bframes", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
612 var_Get( p_access, "pvr-bframes" , &val);
613 p_sys->i_bframes = val.b_bool;
615 var_Create( p_access, "pvr-bitrate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
616 var_Get( p_access, "pvr-bitrate" , &val);
617 p_sys->i_bitrate = val.i_int;
619 var_Create( p_access, "pvr-bitrate-peak", VLC_VAR_INTEGER |
621 var_Get( p_access, "pvr-bitrate-peak" , &val);
622 p_sys->i_bitrate_peak = val.i_int;
624 var_Create( p_access, "pvr-bitrate-mode", VLC_VAR_INTEGER |
626 var_Get( p_access, "pvr-bitrate-mode" , &val);
627 p_sys->i_bitrate_mode = val.i_int;
629 var_Create( p_access, "pvr-audio-bitmask", VLC_VAR_INTEGER |
631 var_Get( p_access, "pvr-audio-bitmask" , &val);
632 p_sys->i_audio_bitmask = val.i_int;
634 var_Create( p_access, "pvr-audio-volume", VLC_VAR_INTEGER |
636 var_Get( p_access, "pvr-audio-volume" , &val);
637 p_sys->i_volume = val.i_int;
639 var_Create( p_access, "pvr-channel", VLC_VAR_INTEGER |
641 var_Get( p_access, "pvr-channel" , &val);
642 p_sys->i_input = val.i_int;
644 /* parse command line options */
645 psz_tofree = strdup( p_access->psz_path );
649 psz_parser = psz_tofree;
654 if ( !strncmp( psz_parser, "norm=", strlen( "norm=" ) ) )
656 char *psz_parser_init;
657 psz_parser += strlen( "norm=" );
658 psz_parser_init = psz_parser;
659 while ( (*psz_parser != ':')
660 && (*psz_parser != ',')
661 && (*psz_parser != '\0') )
666 if ( !strncmp( psz_parser_init, "secam" ,
667 psz_parser - psz_parser_init ) )
669 p_sys->i_standard = V4L2_STD_SECAM;
671 else if ( !strncmp( psz_parser_init, "pal" ,
672 psz_parser - psz_parser_init ) )
674 p_sys->i_standard = V4L2_STD_PAL;
676 else if ( !strncmp( psz_parser_init, "ntsc" ,
677 psz_parser - psz_parser_init ) )
679 p_sys->i_standard = V4L2_STD_NTSC;
683 p_sys->i_standard = strtol( psz_parser_init ,
687 else if( !strncmp( psz_parser, "channel=",
688 strlen( "channel=" ) ) )
691 strtol( psz_parser + strlen( "channel=" ),
694 else if( !strncmp( psz_parser, "device=", strlen( "device=" ) ) )
696 int i_len = strlen( "/dev/videox" );
697 psz_device = calloc( i_len + 1, 1 );
701 snprintf( psz_device, i_len, "/dev/video%ld",
702 strtol( psz_parser + strlen( "device=" ),
705 else if( !strncmp( psz_parser, "frequency=",
706 strlen( "frequency=" ) ) )
709 strtol( psz_parser + strlen( "frequency=" ),
712 else if( !strncmp( psz_parser, "framerate=",
713 strlen( "framerate=" ) ) )
716 strtol( psz_parser + strlen( "framerate=" ),
719 else if( !strncmp( psz_parser, "keyint=",
720 strlen( "keyint=" ) ) )
723 strtol( psz_parser + strlen( "keyint=" ),
726 else if( !strncmp( psz_parser, "bframes=",
727 strlen( "bframes=" ) ) )
730 strtol( psz_parser + strlen( "bframes=" ),
734 else if( !strncmp( psz_parser, "width=",
735 strlen( "width=" ) ) )
738 strtol( psz_parser + strlen( "width=" ),
741 else if( !strncmp( psz_parser, "height=",
742 strlen( "height=" ) ) )
745 strtol( psz_parser + strlen( "height=" ),
748 else if( !strncmp( psz_parser, "audio=",
749 strlen( "audio=" ) ) )
751 p_sys->i_audio_bitmask =
752 strtol( psz_parser + strlen( "audio=" ),
755 else if( !strncmp( psz_parser, "bitrate=",
756 strlen( "bitrate=" ) ) )
759 strtol( psz_parser + strlen( "bitrate=" ),
762 else if( !strncmp( psz_parser, "maxbitrate=",
763 strlen( "maxbitrate=" ) ) )
765 p_sys->i_bitrate_peak =
766 strtol( psz_parser + strlen( "maxbitrate=" ),
769 else if( !strncmp( psz_parser, "bitratemode=",
770 strlen( "bitratemode=" ) ) )
772 char *psz_parser_init;
773 psz_parser += strlen( "bitratemode=" );
774 psz_parser_init = psz_parser;
775 while ( (*psz_parser != ':')
776 && (*psz_parser != ',')
777 && (*psz_parser != '\0') )
782 if ( !strncmp( psz_parser_init, "vbr" ,
783 psz_parser - psz_parser_init ) )
785 p_sys->i_bitrate_mode = 0;
787 else if ( !strncmp( psz_parser_init, "cbr" ,
788 psz_parser - psz_parser_init ) )
790 p_sys->i_bitrate_mode = 1;
793 else if( !strncmp( psz_parser, "size=",
794 strlen( "size=" ) ) )
797 strtol( psz_parser + strlen( "size=" ),
800 strtol( psz_parser + 1 ,
805 char *psz_parser_init;
806 psz_parser_init = psz_parser;
807 while ( (*psz_parser != ':') &&
808 (*psz_parser != ',') &&
809 (*psz_parser != '\0') )
813 psz_device = calloc( psz_parser - psz_parser_init + 1, 1 );
817 strncpy( psz_device, psz_parser_init,
818 psz_parser - psz_parser_init );
830 free( p_sys->psz_videodev );
831 p_sys->psz_videodev = psz_device;
834 /* open the device */
835 p_sys->i_fd = open( p_sys->psz_videodev, O_RDWR );
836 if( p_sys->i_fd < 0 )
838 msg_Err( p_access, "Cannot open device (%m)." );
839 Close( VLC_OBJECT(p_access) );
842 msg_Dbg( p_access, "Using video device: %s.", p_sys->psz_videodev);
844 /* See what version of ivtvdriver is running */
845 result = ioctl( p_sys->i_fd, VIDIOC_QUERYCAP, &device_capability );
848 msg_Err( p_access, "unknown ivtv/pvr driver version in use" );
849 Close( VLC_OBJECT(p_access) );
853 msg_Dbg( p_access, "%s driver (%s on %s) version %02x.%02x.%02x",
854 device_capability.driver,
855 device_capability.card,
856 device_capability.bus_info,
857 ( device_capability.version >> 16 ) & 0xff,
858 ( device_capability.version >> 8 ) & 0xff,
859 ( device_capability.version ) & 0xff);
861 if ( strncmp( (char *) device_capability.driver, "ivtv", 4 )
862 || device_capability.version >= 0x000800 )
864 /* Drivers > 0.8.0 use v4l2 API instead of IVTV ioctls */
865 msg_Dbg( p_access, "this driver uses the v4l2 API" );
866 p_sys->b_v4l2_api = true;
870 p_sys->b_v4l2_api = false;
874 if ( p_sys->i_input != -1 )
876 result = ioctl( p_sys->i_fd, VIDIOC_S_INPUT, &p_sys->i_input );
878 msg_Warn( p_access, "Failed to select the requested input pin." );
880 msg_Dbg( p_access, "input set to: %d", p_sys->i_input );
883 /* set the video standard */
884 if ( p_sys->i_standard != V4L2_STD_UNKNOWN )
886 result = ioctl( p_sys->i_fd, VIDIOC_S_STD, &p_sys->i_standard );
888 msg_Warn( p_access, "Failed to set the requested video standard." );
890 msg_Dbg( p_access, "video standard set to: %x",
894 /* set the picture size */
895 if ( (p_sys->i_width != -1) || (p_sys->i_height != -1) )
897 struct v4l2_format vfmt;
899 memset( &vfmt, 0, sizeof(struct v4l2_format) );
900 vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
902 result = ioctl( p_sys->i_fd, VIDIOC_G_FMT, &vfmt );
905 msg_Warn( p_access, "Failed to read current picture size." );
909 if ( p_sys->i_width != -1 )
911 vfmt.fmt.pix.width = p_sys->i_width;
914 if ( p_sys->i_height != -1 )
916 vfmt.fmt.pix.height = p_sys->i_height;
919 result = ioctl( p_sys->i_fd, VIDIOC_S_FMT, &vfmt );
922 msg_Warn( p_access, "Failed to set requested picture size." );
926 msg_Dbg( p_access, "picture size set to: %dx%d",
927 vfmt.fmt.pix.width, vfmt.fmt.pix.height );
932 /* set the frequency */
933 if ( p_sys->i_frequency != -1 )
936 struct v4l2_tuner vt;
938 /* TODO: let the user choose the tuner */
939 memset( &vt, 0, sizeof(struct v4l2_tuner) );
941 if ( (p_sys->i_frequency >= pi_radio_range[0])
942 && (p_sys->i_frequency <= pi_radio_range[1]) )
944 p_sys->i_radio_fd = open( p_sys->psz_radiodev, O_RDWR );
945 if( p_sys->i_radio_fd < 0 )
947 msg_Err( p_access, "Cannot open radio device (%m)." );
948 Close( VLC_OBJECT(p_access) );
951 msg_Dbg( p_access, "using radio device: %s",
952 p_sys->psz_radiodev );
953 i_fd = p_sys->i_radio_fd;
958 p_sys->i_radio_fd = -1;
961 result = ioctl( i_fd, VIDIOC_G_TUNER, &vt );
964 msg_Warn( p_access, "Failed to read tuner information (%m)." );
968 struct v4l2_frequency vf;
970 memset( &vf, 0, sizeof(struct v4l2_frequency) );
973 result = ioctl( i_fd, VIDIOC_G_FREQUENCY, &vf );
976 msg_Warn( p_access, "Failed to read tuner frequency (%m)." );
980 if( vt.capability & V4L2_TUNER_CAP_LOW )
981 vf.frequency = p_sys->i_frequency * 16;
983 vf.frequency = (p_sys->i_frequency * 16 + 500) / 1000;
985 result = ioctl( i_fd, VIDIOC_S_FREQUENCY, &vf );
988 msg_Warn( p_access, "Failed to set tuner frequency (%m)." );
992 msg_Dbg( p_access, "tuner frequency set to: %d",
993 p_sys->i_frequency );
999 /* control parameters */
1000 if ( p_sys->i_volume != -1 )
1002 struct v4l2_control ctrl;
1004 memset( &ctrl, 0, sizeof(struct v4l2_control) );
1005 ctrl.id = V4L2_CID_AUDIO_VOLUME;
1006 ctrl.value = p_sys->i_volume;
1008 result = ioctl( p_sys->i_fd, VIDIOC_S_CTRL, &ctrl );
1011 msg_Warn( p_access, "Failed to set the volume." );
1015 /* codec parameters */
1016 if ( (p_sys->i_framerate != -1)
1017 || (p_sys->i_bitrate_mode != -1)
1018 || (p_sys->i_bitrate_peak != -1)
1019 || (p_sys->i_keyint != -1)
1020 || (p_sys->i_bframes != -1)
1021 || (p_sys->i_bitrate != -1)
1022 || (p_sys->i_audio_bitmask != -1) )
1024 if( p_sys->b_v4l2_api )
1026 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
1027 result = ConfigureV4L2( p_access );
1028 if( result != VLC_SUCCESS )
1030 Close( VLC_OBJECT(p_access) );
1034 msg_Warn( p_access, "You have new ivtvdrivers, "
1035 "but this vlc was built against an old v4l2 version." );
1040 result = ConfigureIVTV( p_access );
1041 if( result != VLC_SUCCESS )
1043 Close( VLC_OBJECT(p_access) );
1052 /*****************************************************************************
1053 * Close: close the device
1054 *****************************************************************************/
1055 static void Close( vlc_object_t * p_this )
1057 access_t *p_access = (access_t*) p_this;
1058 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
1060 if ( p_sys->i_fd != -1 )
1061 close( p_sys->i_fd );
1062 if ( p_sys->i_radio_fd != -1 )
1063 close( p_sys->i_radio_fd );
1064 free( p_sys->psz_videodev );
1065 free( p_sys->psz_radiodev );
1069 /*****************************************************************************
1071 *****************************************************************************/
1072 static ssize_t Read( access_t * p_access, uint8_t * p_buffer, size_t i_len )
1074 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
1078 ufd.fd = p_sys->i_fd;
1079 ufd.events = POLLIN;
1081 if( p_access->info.b_eof )
1086 if( p_access->b_die )
1091 while( ( i_ret = poll( &ufd, 1, 500 ) ) == 0 );
1095 msg_Err( p_access, "Polling error (%m)." );
1099 i_ret = read( p_sys->i_fd, p_buffer, i_len );
1102 p_access->info.b_eof = true;
1104 else if( i_ret > 0 )
1106 p_access->info.i_pos += i_ret;
1112 /*****************************************************************************
1114 *****************************************************************************/
1115 static int Control( access_t *p_access, int i_query, va_list args )
1124 case ACCESS_CAN_SEEK:
1125 case ACCESS_CAN_FASTSEEK:
1126 pb_bool = (bool*)va_arg( args, bool* );
1129 case ACCESS_CAN_PAUSE:
1130 pb_bool = (bool*)va_arg( args, bool* );
1133 case ACCESS_CAN_CONTROL_PACE:
1134 pb_bool = (bool*)va_arg( args, bool* );
1139 case ACCESS_GET_MTU:
1140 pi_int = (int*)va_arg( args, int * );
1144 case ACCESS_GET_PTS_DELAY:
1145 pi_64 = (int64_t*)va_arg( args, int64_t * );
1146 *pi_64 = (int64_t)var_GetInteger( p_access, "pvr-caching" ) * 1000;
1150 case ACCESS_SET_PAUSE_STATE:
1154 case ACCESS_GET_TITLE_INFO:
1155 case ACCESS_SET_TITLE:
1156 case ACCESS_SET_SEEKPOINT:
1157 case ACCESS_SET_PRIVATE_ID_STATE:
1158 case ACCESS_GET_CONTENT_TYPE:
1159 return VLC_EGENERIC;
1162 msg_Warn( p_access, "Unimplemented query in control." );
1163 return VLC_EGENERIC;