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 # ifdef VIDEODEV2_H_FILE
42 # include VIDEODEV2_H_FILE
44 # include <linux/videodev2.h>
47 #include "videodev2.h"
50 /*****************************************************************************
52 *****************************************************************************/
53 static int Open ( vlc_object_t * );
54 static void Close( vlc_object_t * );
56 #define CACHING_TEXT N_("Caching value in ms")
57 #define CACHING_LONGTEXT N_( \
58 "Default caching value for PVR streams. This " \
59 "value should be set in milliseconds." )
61 #define DEVICE_TEXT N_( "Device" )
62 #define DEVICE_LONGTEXT N_( "PVR video device" )
64 #define RADIO_DEVICE_TEXT N_( "Radio device" )
65 #define RADIO_DEVICE_LONGTEXT N_( "PVR radio device" )
67 #define NORM_TEXT N_( "Norm" )
68 #define NORM_LONGTEXT N_( "Norm of the stream " \
69 "(Automatic, SECAM, PAL, or NTSC)." )
71 #define WIDTH_TEXT N_( "Width" )
72 #define WIDTH_LONGTEXT N_( "Width of the stream to capture " \
73 "(-1 for autodetection)." )
75 #define HEIGHT_TEXT N_( "Height" )
76 #define HEIGHT_LONGTEXT N_( "Height of the stream to capture " \
77 "(-1 for autodetection)." )
79 #define FREQUENCY_TEXT N_( "Frequency" )
80 #define FREQUENCY_LONGTEXT N_( "Frequency to capture (in kHz), if applicable." )
82 #define FRAMERATE_TEXT N_( "Framerate" )
83 #define FRAMERATE_LONGTEXT N_( "Framerate to capture, if applicable " \
84 "(-1 for autodetect)." )
86 #define KEYINT_TEXT N_( "Key interval" )
87 #define KEYINT_LONGTEXT N_( "Interval between keyframes (-1 for autodetect)." )
89 #define BFRAMES_TEXT N_( "B Frames" )
90 #define BFRAMES_LONGTEXT N_("If this option is set, B-Frames will be used. " \
91 "Use this option to set the number of B-Frames.")
93 #define BITRATE_TEXT N_( "Bitrate" )
94 #define BITRATE_LONGTEXT N_( "Bitrate to use (-1 for default)." )
96 #define BITRATE_PEAK_TEXT N_( "Bitrate peak" )
97 #define BITRATE_PEAK_LONGTEXT N_( "Peak bitrate in VBR mode." )
99 #define BITRATE_MODE_TEXT N_( "Bitrate mode" )
100 #define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use (VBR or CBR)." )
102 #define BITMASK_TEXT N_( "Audio bitmask" )
103 #define BITMASK_LONGTEXT N_("Bitmask that will "\
104 "get used by the audio part of the card." )
106 #define VOLUME_TEXT N_( "Volume" )
107 #define VOLUME_LONGTEXT N_("Audio volume (0-65535)." )
109 #define CHAN_TEXT N_( "Channel" )
110 #define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, " \
111 "1 = composite, 2 = svideo)" )
113 static int i_norm_list[] =
114 { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC };
115 static const char *psz_norm_list_text[] =
116 { N_("Automatic"), N_("SECAM"), N_("PAL"), N_("NTSC") };
118 static int i_bitrates[] = { 0, 1 };
119 static const char *psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
121 static int pi_radio_range[2] = { 65000, 108000 };
124 set_shortname( _("PVR") );
125 set_description( _("IVTV MPEG Encoding cards input") );
126 set_category( CAT_INPUT );
127 set_subcategory( SUBCAT_INPUT_ACCESS );
128 set_capability( "access2", 0 );
129 add_shortcut( "pvr" );
131 add_integer( "pvr-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
132 CACHING_LONGTEXT, VLC_TRUE );
133 add_string( "pvr-device", "/dev/video0", NULL, DEVICE_TEXT,
134 DEVICE_LONGTEXT, VLC_FALSE );
135 add_string( "pvr-radio-device", "/dev/radio0", NULL, RADIO_DEVICE_TEXT,
136 RADIO_DEVICE_LONGTEXT, VLC_FALSE );
137 add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NULL, NORM_TEXT,
138 NORM_LONGTEXT, VLC_FALSE );
139 change_integer_list( i_norm_list, psz_norm_list_text, 0 );
140 add_integer( "pvr-width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_TRUE );
141 add_integer( "pvr-height", -1, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT,
143 add_integer( "pvr-frequency", -1, NULL, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
145 add_integer( "pvr-framerate", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
147 add_integer( "pvr-keyint", -1, NULL, KEYINT_TEXT, KEYINT_LONGTEXT,
149 add_integer( "pvr-bframes", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
151 add_integer( "pvr-bitrate", -1, NULL, BITRATE_TEXT, BITRATE_LONGTEXT,
153 add_integer( "pvr-bitrate-peak", -1, NULL, BITRATE_PEAK_TEXT,
154 BITRATE_PEAK_LONGTEXT, VLC_TRUE );
155 add_integer( "pvr-bitrate-mode", -1, NULL, BITRATE_MODE_TEXT,
156 BITRATE_MODE_LONGTEXT, VLC_TRUE );
157 change_integer_list( i_bitrates, psz_bitrates_list_text, 0 );
158 add_integer( "pvr-audio-bitmask", -1, NULL, BITMASK_TEXT,
159 BITMASK_LONGTEXT, VLC_TRUE );
160 add_integer( "pvr-audio-volume", -1, NULL, VOLUME_TEXT,
161 VOLUME_LONGTEXT, VLC_TRUE );
162 add_integer( "pvr-channel", -1, NULL, CHAN_TEXT, CHAN_LONGTEXT, VLC_TRUE );
164 set_callbacks( Open, Close );
167 /*****************************************************************************
169 *****************************************************************************/
170 static int Read ( access_t *, uint8_t *, int );
171 static int Control( access_t *, int, va_list );
173 /* ivtv specific ioctls */
174 #define IVTV_IOC_G_CODEC 0xFFEE7703
175 #define IVTV_IOC_S_CODEC 0xFFEE7704
177 /* for use with IVTV_IOC_G_CODEC and IVTV_IOC_S_CODEC */
179 struct ivtv_ioctl_codec {
181 uint32_t audio_bitmask;
183 uint32_t bitrate_mode;
185 uint32_t bitrate_peak;
187 uint32_t dnr_spatial;
188 uint32_t dnr_temporal;
191 uint32_t framespergop;
192 uint32_t gop_closure;
194 uint32_t stream_type;
199 /* file descriptor */
222 vlc_bool_t b_v4l2_api;
225 /*****************************************************************************
226 * ConfigureIVTV: set up codec parameters using the old ivtv api
227 *****************************************************************************/
228 static int ConfigureIVTV( access_t * p_access )
230 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
231 struct ivtv_ioctl_codec codec;
234 memset( &codec, 0, sizeof(struct ivtv_ioctl_codec) );
236 result = ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec );
239 msg_Err( p_access, "Failed to read current capture card settings." );
243 if( p_sys->i_framerate != -1 )
245 switch( p_sys->i_framerate )
256 msg_Warn( p_access, "Invalid framerate, reverting to 25." );
262 if( p_sys->i_bitrate != -1 )
264 codec.bitrate = p_sys->i_bitrate;
267 if( p_sys->i_bitrate_peak != -1 )
269 codec.bitrate_peak = p_sys->i_bitrate_peak;
272 if( p_sys->i_bitrate_mode != -1 )
274 codec.bitrate_mode = p_sys->i_bitrate_mode;
277 if( p_sys->i_audio_bitmask != -1 )
279 codec.audio_bitmask = p_sys->i_audio_bitmask;
282 if( p_sys->i_keyint != -1 )
284 codec.framespergop = p_sys->i_keyint;
287 if( p_sys->i_bframes != -1 )
289 codec.bframes = p_sys->i_bframes;
292 result = ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec );
295 msg_Err( p_access, "Failed to write new capture card settings." );
299 msg_Dbg( p_access, "Setting codec parameters to: framerate: "
300 "%d, bitrate: %d/%d/%d",
301 codec.framerate, codec.bitrate,
302 codec.bitrate_peak, codec.bitrate_mode );
306 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
308 #define MAX_V4L2_CTRLS (6)
309 /*****************************************************************************
310 * AddV4L2Ctrl: adds a control to the v4l2 controls list
311 *****************************************************************************/
312 static void AddV4L2Ctrl( access_t * p_access,
313 struct v4l2_ext_controls * p_controls,
314 uint32_t i_id, uint32_t i_value )
316 if( p_controls->count >= MAX_V4L2_CTRLS )
318 msg_Err( p_access, "Tried to set too many v4l2 controls at once." );
322 p_controls->controls[p_controls->count].id = i_id;
323 p_controls->controls[p_controls->count].value = i_value;
327 /*****************************************************************************
328 * V4L2SampleRate: calculate v4l2 sample rate from pvr-audio-bitmask
329 *****************************************************************************/
330 static uint32_t V4L2SampleRate( uint32_t i_bitmask )
332 switch( i_bitmask & 0x0003 )
334 case 0x0001: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
335 case 0x0002: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000;
337 return V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100;
340 /*****************************************************************************
341 * V4L2AudioEncoding: calculate v4l2 audio encoding level from pvr-audio-bitmask
342 *****************************************************************************/
343 static uint32_t V4L2AudioEncoding( uint32_t i_bitmask )
345 switch( i_bitmask & 0x000c )
347 case 0x0004: return V4L2_MPEG_AUDIO_ENCODING_LAYER_1;
348 case 0x0008: return V4L2_MPEG_AUDIO_ENCODING_LAYER_2;
353 /*****************************************************************************
354 * V4L2AudioL1Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
355 *****************************************************************************/
356 static uint32_t V4L2AudioL1Bitrate( uint32_t i_bitmask )
358 switch( i_bitmask & 0x00f0 )
360 case 0x0010: return V4L2_MPEG_AUDIO_L1_BITRATE_32K;
361 case 0x0020: return V4L2_MPEG_AUDIO_L1_BITRATE_64K;
362 case 0x0030: return V4L2_MPEG_AUDIO_L1_BITRATE_96K;
363 case 0x0040: return V4L2_MPEG_AUDIO_L1_BITRATE_128K;
364 case 0x0050: return V4L2_MPEG_AUDIO_L1_BITRATE_160K;
365 case 0x0060: return V4L2_MPEG_AUDIO_L1_BITRATE_192K;
366 case 0x0070: return V4L2_MPEG_AUDIO_L1_BITRATE_224K;
367 case 0x0080: return V4L2_MPEG_AUDIO_L1_BITRATE_256K;
368 case 0x0090: return V4L2_MPEG_AUDIO_L1_BITRATE_288K;
369 case 0x00a0: return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
370 case 0x00b0: return V4L2_MPEG_AUDIO_L1_BITRATE_352K;
371 case 0x00c0: return V4L2_MPEG_AUDIO_L1_BITRATE_384K;
372 case 0x00d0: return V4L2_MPEG_AUDIO_L1_BITRATE_416K;
373 case 0x00e0: return V4L2_MPEG_AUDIO_L1_BITRATE_448K;
375 return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
378 /*****************************************************************************
379 * V4L2AudioL2Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
380 *****************************************************************************/
381 static uint32_t V4L2AudioL2Bitrate( uint32_t i_bitmask )
383 switch( i_bitmask & 0x00f0 )
385 case 0x0010: return V4L2_MPEG_AUDIO_L2_BITRATE_32K;
386 case 0x0020: return V4L2_MPEG_AUDIO_L2_BITRATE_48K;
387 case 0x0030: return V4L2_MPEG_AUDIO_L2_BITRATE_56K;
388 case 0x0040: return V4L2_MPEG_AUDIO_L2_BITRATE_64K;
389 case 0x0050: return V4L2_MPEG_AUDIO_L2_BITRATE_80K;
390 case 0x0060: return V4L2_MPEG_AUDIO_L2_BITRATE_96K;
391 case 0x0070: return V4L2_MPEG_AUDIO_L2_BITRATE_112K;
392 case 0x0080: return V4L2_MPEG_AUDIO_L2_BITRATE_128K;
393 case 0x0090: return V4L2_MPEG_AUDIO_L2_BITRATE_160K;
394 case 0x00a0: return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
395 case 0x00b0: return V4L2_MPEG_AUDIO_L2_BITRATE_224K;
396 case 0x00c0: return V4L2_MPEG_AUDIO_L2_BITRATE_256K;
397 case 0x00d0: return V4L2_MPEG_AUDIO_L2_BITRATE_320K;
398 case 0x00e0: return V4L2_MPEG_AUDIO_L2_BITRATE_384K;
400 return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
403 /*****************************************************************************
404 * V4L2AudioMode: calculate v4l2 audio mode from pvr-audio-bitmask
405 *****************************************************************************/
406 static uint32_t V4L2AudioMode( uint32_t i_bitmask )
408 switch( i_bitmask & 0x0300 )
410 case 0x0100: return V4L2_MPEG_AUDIO_MODE_JOINT_STEREO;
411 case 0x0200: return V4L2_MPEG_AUDIO_MODE_DUAL;
412 case 0x0300: return V4L2_MPEG_AUDIO_MODE_MONO;
414 return V4L2_MPEG_AUDIO_MODE_STEREO;
417 /*****************************************************************************
418 * ConfigureV4L2: set up codec parameters using the new v4l2 api
419 *****************************************************************************/
420 static int ConfigureV4L2( access_t * p_access )
422 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
423 struct v4l2_ext_controls controls;
426 memset( &controls, 0, sizeof(struct v4l2_ext_controls) );
427 controls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
428 controls.error_idx = 0;
429 controls.reserved[0] = 0;
430 controls.reserved[1] = 0;
432 controls.controls = calloc( sizeof( struct v4l2_ext_control ),
435 if( controls.controls == NULL )
438 /* Note: Ignore frame rate. Doesn't look like it can be changed. */
439 if( p_sys->i_bitrate != -1 )
441 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE,
443 msg_Dbg( p_access, "Setting [%u] bitrate = %u",
444 controls.count - 1, p_sys->i_bitrate );
447 if( p_sys->i_bitrate_peak != -1 )
449 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
450 p_sys->i_bitrate_peak );
451 msg_Dbg( p_access, "Setting [%u] bitrate_peak = %u",
452 controls.count - 1, p_sys->i_bitrate_peak );
455 if( p_sys->i_bitrate_mode != -1 )
457 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
458 p_sys->i_bitrate_mode );
459 msg_Dbg( p_access, "Setting [%u] bitrate_mode = %u",
460 controls.count - 1, p_sys->i_bitrate_mode );
463 if( p_sys->i_audio_bitmask != -1 )
466 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
467 V4L2SampleRate( p_sys->i_audio_bitmask ) );
469 /* Encoding layer and bitrate */
470 switch( V4L2AudioEncoding( p_sys->i_audio_bitmask ) )
472 case V4L2_MPEG_AUDIO_ENCODING_LAYER_1:
473 AddV4L2Ctrl( p_access, &controls,
474 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
475 V4L2_MPEG_AUDIO_ENCODING_LAYER_1 );
476 AddV4L2Ctrl( p_access, &controls,
477 V4L2_CID_MPEG_AUDIO_L1_BITRATE,
478 V4L2AudioL1Bitrate( p_sys->i_audio_bitmask ) );
481 case V4L2_MPEG_AUDIO_ENCODING_LAYER_2:
482 AddV4L2Ctrl( p_access, &controls,
483 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
484 V4L2_MPEG_AUDIO_ENCODING_LAYER_2 );
485 AddV4L2Ctrl( p_access, &controls,
486 V4L2_CID_MPEG_AUDIO_L2_BITRATE,
487 V4L2AudioL2Bitrate( p_sys->i_audio_bitmask ) );
491 /* Audio mode - stereo or mono */
492 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_MODE,
493 V4L2AudioMode( p_sys->i_audio_bitmask ) );
495 /* See if the user wants any other audio feature */
496 if( ( p_sys->i_audio_bitmask & 0x1ff00 ) != 0 )
498 /* It would be possible to support the bits that represent:
499 * V4L2_CID_MPEG_AUDIO_MODE_EXTENSION
500 * V4L2_CID_MPEG_AUDIO_EMPHASIS
501 * V4L2_CID_MPEG_AUDIO_CRC
502 * but they are not currently used. Tell the user.
504 msg_Err( p_access, "There were bits in pvr-audio-bitmask that were not used.");
506 msg_Dbg( p_access, "Setting audio controls");
509 if( p_sys->i_keyint != -1 )
511 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
513 msg_Dbg( p_access, "Setting [%u] keyint = %u",
514 controls.count - 1, p_sys->i_keyint );
517 if( p_sys->i_bframes != -1 )
519 AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_B_FRAMES,
521 msg_Dbg( p_access, "Setting [%u] bframes = %u",
522 controls.count - 1, p_sys->i_bframes );
525 result = ioctl( p_sys->i_fd, VIDIOC_S_EXT_CTRLS, &controls );
528 msg_Err( p_access, "Failed to write %u new capture card settings.",
529 controls.error_idx );
531 free( controls.controls );
535 #endif /* HAVE_NEW_LINUX_VIDEODEV2_H */
537 /*****************************************************************************
538 * Open: open the device
539 *****************************************************************************/
540 static int Open( vlc_object_t * p_this )
542 access_t *p_access = (access_t*) p_this;
543 access_sys_t * p_sys;
546 char * psz_device = NULL;
548 struct v4l2_capability device_capability;
551 memset( &device_capability, 0, sizeof(struct v4l2_capability) );
553 p_access->pf_read = Read;
554 p_access->pf_block = NULL;
555 p_access->pf_seek = NULL;
556 p_access->pf_control = Control;
557 p_access->info.i_update = 0;
558 p_access->info.i_size = 0;
559 p_access->info.i_pos = 0;
560 p_access->info.b_eof = VLC_FALSE;
561 p_access->info.i_title = 0;
562 p_access->info.i_seekpoint = 0;
564 /* create private access data */
565 p_sys = calloc( sizeof( access_sys_t ), 1 );
569 p_access->p_sys = p_sys;
571 /* defaults values */
572 var_Create( p_access, "pvr-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
574 var_Create( p_access, "pvr-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
575 var_Get( p_access, "pvr-device" , &val);
576 p_sys->psz_videodev = val.psz_string;
578 var_Create( p_access, "pvr-radio-device", VLC_VAR_STRING |
580 var_Get( p_access, "pvr-radio-device" , &val);
581 p_sys->psz_radiodev = val.psz_string;
583 var_Create( p_access, "pvr-norm", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
584 var_Get( p_access, "pvr-norm" , &val);
585 p_sys->i_standard = val.i_int;
587 var_Create( p_access, "pvr-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
588 var_Get( p_access, "pvr-width" , &val);
589 p_sys->i_width = val.i_int;
591 var_Create( p_access, "pvr-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
592 var_Get( p_access, "pvr-height" , &val);
593 p_sys->i_height = val.i_int;
595 var_Create( p_access, "pvr-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
596 var_Get( p_access, "pvr-frequency" , &val);
597 p_sys->i_frequency = val.i_int;
599 var_Create( p_access, "pvr-framerate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
600 var_Get( p_access, "pvr-framerate" , &val);
601 p_sys->i_framerate = val.i_int;
603 var_Create( p_access, "pvr-keyint", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
604 var_Get( p_access, "pvr-keyint" , &val);
605 p_sys->i_keyint = val.i_int;
607 var_Create( p_access, "pvr-bframes", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
608 var_Get( p_access, "pvr-bframes" , &val);
609 p_sys->i_bframes = val.b_bool;
611 var_Create( p_access, "pvr-bitrate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
612 var_Get( p_access, "pvr-bitrate" , &val);
613 p_sys->i_bitrate = val.i_int;
615 var_Create( p_access, "pvr-bitrate-peak", VLC_VAR_INTEGER |
617 var_Get( p_access, "pvr-bitrate-peak" , &val);
618 p_sys->i_bitrate_peak = val.i_int;
620 var_Create( p_access, "pvr-bitrate-mode", VLC_VAR_INTEGER |
622 var_Get( p_access, "pvr-bitrate-mode" , &val);
623 p_sys->i_bitrate_mode = val.i_int;
625 var_Create( p_access, "pvr-audio-bitmask", VLC_VAR_INTEGER |
627 var_Get( p_access, "pvr-audio-bitmask" , &val);
628 p_sys->i_audio_bitmask = val.i_int;
630 var_Create( p_access, "pvr-audio-volume", VLC_VAR_INTEGER |
632 var_Get( p_access, "pvr-audio-volume" , &val);
633 p_sys->i_volume = val.i_int;
635 var_Create( p_access, "pvr-channel", VLC_VAR_INTEGER |
637 var_Get( p_access, "pvr-channel" , &val);
638 p_sys->i_input = val.i_int;
640 /* parse command line options */
641 psz_tofree = strdup( p_access->psz_path );
645 psz_parser = psz_tofree;
650 if ( !strncmp( psz_parser, "norm=", strlen( "norm=" ) ) )
652 char *psz_parser_init;
653 psz_parser += strlen( "norm=" );
654 psz_parser_init = psz_parser;
655 while ( (*psz_parser != ':')
656 && (*psz_parser != ',')
657 && (*psz_parser != '\0') )
662 if ( !strncmp( psz_parser_init, "secam" ,
663 psz_parser - psz_parser_init ) )
665 p_sys->i_standard = V4L2_STD_SECAM;
667 else if ( !strncmp( psz_parser_init, "pal" ,
668 psz_parser - psz_parser_init ) )
670 p_sys->i_standard = V4L2_STD_PAL;
672 else if ( !strncmp( psz_parser_init, "ntsc" ,
673 psz_parser - psz_parser_init ) )
675 p_sys->i_standard = V4L2_STD_NTSC;
679 p_sys->i_standard = strtol( psz_parser_init ,
683 else if( !strncmp( psz_parser, "channel=",
684 strlen( "channel=" ) ) )
687 strtol( psz_parser + strlen( "channel=" ),
690 else if( !strncmp( psz_parser, "device=", strlen( "device=" ) ) )
692 int i_len = strlen( "/dev/videox" );
693 psz_device = calloc( i_len + 1, 1 );
697 snprintf( psz_device, i_len, "/dev/video%ld",
698 strtol( psz_parser + strlen( "device=" ),
701 else if( !strncmp( psz_parser, "frequency=",
702 strlen( "frequency=" ) ) )
705 strtol( psz_parser + strlen( "frequency=" ),
708 else if( !strncmp( psz_parser, "framerate=",
709 strlen( "framerate=" ) ) )
712 strtol( psz_parser + strlen( "framerate=" ),
715 else if( !strncmp( psz_parser, "keyint=",
716 strlen( "keyint=" ) ) )
719 strtol( psz_parser + strlen( "keyint=" ),
722 else if( !strncmp( psz_parser, "bframes=",
723 strlen( "bframes=" ) ) )
726 strtol( psz_parser + strlen( "bframes=" ),
730 else if( !strncmp( psz_parser, "width=",
731 strlen( "width=" ) ) )
734 strtol( psz_parser + strlen( "width=" ),
737 else if( !strncmp( psz_parser, "height=",
738 strlen( "height=" ) ) )
741 strtol( psz_parser + strlen( "height=" ),
744 else if( !strncmp( psz_parser, "audio=",
745 strlen( "audio=" ) ) )
747 p_sys->i_audio_bitmask =
748 strtol( psz_parser + strlen( "audio=" ),
751 else if( !strncmp( psz_parser, "bitrate=",
752 strlen( "bitrate=" ) ) )
755 strtol( psz_parser + strlen( "bitrate=" ),
758 else if( !strncmp( psz_parser, "maxbitrate=",
759 strlen( "maxbitrate=" ) ) )
761 p_sys->i_bitrate_peak =
762 strtol( psz_parser + strlen( "maxbitrate=" ),
765 else if( !strncmp( psz_parser, "bitratemode=",
766 strlen( "bitratemode=" ) ) )
768 char *psz_parser_init;
769 psz_parser += strlen( "bitratemode=" );
770 psz_parser_init = psz_parser;
771 while ( (*psz_parser != ':')
772 && (*psz_parser != ',')
773 && (*psz_parser != '\0') )
778 if ( !strncmp( psz_parser_init, "vbr" ,
779 psz_parser - psz_parser_init ) )
781 p_sys->i_bitrate_mode = 0;
783 else if ( !strncmp( psz_parser_init, "cbr" ,
784 psz_parser - psz_parser_init ) )
786 p_sys->i_bitrate_mode = 1;
789 else if( !strncmp( psz_parser, "size=",
790 strlen( "size=" ) ) )
793 strtol( psz_parser + strlen( "size=" ),
796 strtol( psz_parser + 1 ,
801 char *psz_parser_init;
802 psz_parser_init = psz_parser;
803 while ( (*psz_parser != ':') &&
804 (*psz_parser != ',') &&
805 (*psz_parser != '\0') )
809 psz_device = calloc( psz_parser - psz_parser_init + 1, 1 );
813 strncpy( psz_device, psz_parser_init,
814 psz_parser - psz_parser_init );
826 if( p_sys->psz_videodev )
827 free( p_sys->psz_videodev );
828 p_sys->psz_videodev = psz_device;
831 /* open the device */
832 p_sys->i_fd = open( p_sys->psz_videodev, O_RDWR );
833 if( p_sys->i_fd < 0 )
835 msg_Err( p_access, "Cannot open device (%s).", strerror( errno ) );
836 Close( VLC_OBJECT(p_access) );
839 msg_Dbg( p_access, "Using video device: %s.", p_sys->psz_videodev);
841 /* See what version of ivtvdriver is running */
842 result = ioctl( p_sys->i_fd, VIDIOC_QUERYCAP, &device_capability );
845 msg_Err( p_access, "unknown ivtv driver version in use" );
846 Close( VLC_OBJECT(p_access) );
850 msg_Dbg( p_access, "ivtv driver version %02x.%02x.%02x",
851 ( device_capability.version >> 16 ) & 0xff,
852 ( device_capability.version >> 8 ) & 0xff,
853 ( device_capability.version ) & 0xff);
855 if ( device_capability.version >= 0x000800 )
857 /* Drivers > 0.8.0 use v4l2 API instead of IVTV ioctls */
858 msg_Dbg( p_access, "this driver uses the v4l2 API" );
859 p_sys->b_v4l2_api = VLC_TRUE;
863 p_sys->b_v4l2_api = VLC_FALSE;
867 if ( p_sys->i_input != -1 )
869 result = ioctl( p_sys->i_fd, VIDIOC_S_INPUT, &p_sys->i_input );
871 msg_Warn( p_access, "Failed to select the requested input pin." );
873 msg_Dbg( p_access, "input set to: %d", p_sys->i_input );
876 /* set the video standard */
877 if ( p_sys->i_standard != V4L2_STD_UNKNOWN )
879 result = ioctl( p_sys->i_fd, VIDIOC_S_STD, &p_sys->i_standard );
881 msg_Warn( p_access, "Failed to set the requested video standard." );
883 msg_Dbg( p_access, "video standard set to: %x",
887 /* set the picture size */
888 if ( (p_sys->i_width != -1) || (p_sys->i_height != -1) )
890 struct v4l2_format vfmt;
892 memset( &vfmt, 0, sizeof(struct v4l2_format) );
893 vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
895 result = ioctl( p_sys->i_fd, VIDIOC_G_FMT, &vfmt );
898 msg_Warn( p_access, "Failed to read current picture size." );
902 if ( p_sys->i_width != -1 )
904 vfmt.fmt.pix.width = p_sys->i_width;
907 if ( p_sys->i_height != -1 )
909 vfmt.fmt.pix.height = p_sys->i_height;
912 result = ioctl( p_sys->i_fd, VIDIOC_S_FMT, &vfmt );
915 msg_Warn( p_access, "Failed to set requested picture size." );
919 msg_Dbg( p_access, "picture size set to: %dx%d",
920 vfmt.fmt.pix.width, vfmt.fmt.pix.height );
925 /* set the frequency */
926 if ( p_sys->i_frequency != -1 )
929 struct v4l2_tuner vt;
931 /* TODO: let the user choose the tuner */
932 memset( &vt, 0, sizeof(struct v4l2_tuner) );
934 if ( (p_sys->i_frequency >= pi_radio_range[0])
935 && (p_sys->i_frequency <= pi_radio_range[1]) )
937 p_sys->i_radio_fd = open( p_sys->psz_radiodev, O_RDWR );
938 if( p_sys->i_radio_fd < 0 )
940 msg_Err( p_access, "Cannot open radio device (%s).",
942 Close( VLC_OBJECT(p_access) );
945 msg_Dbg( p_access, "using radio device: %s",
946 p_sys->psz_radiodev );
947 i_fd = p_sys->i_radio_fd;
952 p_sys->i_radio_fd = -1;
955 result = ioctl( i_fd, VIDIOC_G_TUNER, &vt );
958 msg_Warn( p_access, "Failed to read tuner information (%s).",
963 struct v4l2_frequency vf;
965 memset( &vf, 0, sizeof(struct v4l2_frequency) );
968 result = ioctl( i_fd, VIDIOC_G_FREQUENCY, &vf );
971 msg_Warn( p_access, "Failed to read tuner frequency (%s).",
976 if( vt.capability & V4L2_TUNER_CAP_LOW )
977 vf.frequency = p_sys->i_frequency * 16;
979 vf.frequency = (p_sys->i_frequency * 16 + 500) / 1000;
981 result = ioctl( i_fd, VIDIOC_S_FREQUENCY, &vf );
984 msg_Warn( p_access, "Failed to set tuner frequency (%s).",
989 msg_Dbg( p_access, "tuner frequency set to: %d",
990 p_sys->i_frequency );
996 /* control parameters */
997 if ( p_sys->i_volume != -1 )
999 struct v4l2_control ctrl;
1001 memset( &ctrl, 0, sizeof(struct v4l2_control) );
1002 ctrl.id = V4L2_CID_AUDIO_VOLUME;
1003 ctrl.value = p_sys->i_volume;
1005 result = ioctl( p_sys->i_fd, VIDIOC_S_CTRL, &ctrl );
1008 msg_Warn( p_access, "Failed to set the volume." );
1012 /* codec parameters */
1013 if ( (p_sys->i_framerate != -1)
1014 || (p_sys->i_bitrate_mode != -1)
1015 || (p_sys->i_bitrate_peak != -1)
1016 || (p_sys->i_keyint != -1)
1017 || (p_sys->i_bframes != -1)
1018 || (p_sys->i_bitrate != -1)
1019 || (p_sys->i_audio_bitmask != -1) )
1021 if( p_sys->b_v4l2_api )
1023 #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
1024 result = ConfigureV4L2( p_access );
1025 if( result != VLC_SUCCESS )
1027 Close( VLC_OBJECT(p_access) );
1031 msg_Warn( p_access, "You have new ivtvdrivers, "
1032 "but this vlc was built against an old v4l2 version." );
1037 result = ConfigureIVTV( p_access );
1038 if( result != VLC_SUCCESS )
1040 Close( VLC_OBJECT(p_access) );
1049 /*****************************************************************************
1050 * Close: close the device
1051 *****************************************************************************/
1052 static void Close( vlc_object_t * p_this )
1054 access_t *p_access = (access_t*) p_this;
1055 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
1057 if ( p_sys->i_fd != -1 )
1058 close( p_sys->i_fd );
1059 if ( p_sys->i_radio_fd != -1 )
1060 close( p_sys->i_radio_fd );
1061 if ( p_sys->psz_videodev )
1062 free( p_sys->psz_videodev );
1063 if ( p_sys->psz_radiodev )
1064 free( p_sys->psz_radiodev );
1068 /*****************************************************************************
1070 *****************************************************************************/
1071 static int Read( access_t * p_access, uint8_t * p_buffer, int i_len )
1073 access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
1077 ufd.fd = p_sys->i_fd;
1078 ufd.events = POLLIN;
1080 if( p_access->info.b_eof )
1085 if( p_access->b_die )
1090 while( ( i_ret = poll( &ufd, 1, 500 ) ) == 0 );
1094 msg_Err( p_access, "Select error (%s).", strerror( errno ) );
1098 i_ret = read( p_sys->i_fd, p_buffer, i_len );
1101 p_access->info.b_eof = VLC_TRUE;
1103 else if( i_ret > 0 )
1105 p_access->info.i_pos += i_ret;
1111 /*****************************************************************************
1113 *****************************************************************************/
1114 static int Control( access_t *p_access, int i_query, va_list args )
1116 vlc_bool_t *pb_bool;
1123 case ACCESS_CAN_SEEK:
1124 case ACCESS_CAN_FASTSEEK:
1125 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1126 *pb_bool = VLC_FALSE;
1128 case ACCESS_CAN_PAUSE:
1129 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1130 *pb_bool = VLC_FALSE;
1132 case ACCESS_CAN_CONTROL_PACE:
1133 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
1134 *pb_bool = VLC_FALSE;
1138 case ACCESS_GET_MTU:
1139 pi_int = (int*)va_arg( args, int * );
1143 case ACCESS_GET_PTS_DELAY:
1144 pi_64 = (int64_t*)va_arg( args, int64_t * );
1145 *pi_64 = (int64_t)var_GetInteger( p_access, "pvr-caching" ) * 1000;
1149 case ACCESS_SET_PAUSE_STATE:
1153 case ACCESS_GET_TITLE_INFO:
1154 case ACCESS_SET_TITLE:
1155 case ACCESS_SET_SEEKPOINT:
1156 case ACCESS_SET_PRIVATE_ID_STATE:
1157 return VLC_EGENERIC;
1160 msg_Warn( p_access, "Unimplemented query in control." );
1161 return VLC_EGENERIC;