1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
7 * Authors: Eric Petit <titer@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
28 #include <vlc/input.h>
31 #include <sys/types.h>
36 #include <linux/types.h>
37 #include <sys/ioctl.h>
38 #include "videodev2.h"
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close( vlc_object_t * );
46 #define CACHING_TEXT N_("Caching value in ms")
47 #define CACHING_LONGTEXT N_( \
48 "Allows you to modify the default caching value for pvr streams. This " \
49 "value should be set in millisecond units." )
51 #define DEVICE_TEXT N_( "Device" )
52 #define DEVICE_LONGTEXT N_( "PVR video device" )
54 #define NORM_TEXT N_( "Norm" )
55 #define NORM_LONGTEXT N_( "Defines the norm of the stream " \
56 "(Automatic, SECAM, PAL, or NTSC)" )
58 #define WIDTH_TEXT N_( "Width" )
59 #define WIDTH_LONGTEXT N_( "Width of the stream to capture " \
60 "(-1 for autodetect)" )
62 #define HEIGHT_TEXT N_( "Height" )
63 #define HEIGHT_LONGTEXT N_( "Height of the stream to capture " \
64 "(-1 for autodetect)" )
66 #define FREQUENCY_TEXT N_( "Frequency" )
67 #define FREQUENCY_LONGTEXT N_( "Frequency to capture (in kHz), if applicable" )
69 #define FRAMERATE_TEXT N_( "Framerate" )
70 #define FRAMERATE_LONGTEXT N_( "Framerate to capture, if applicable " \
73 #define KEYINT_TEXT N_( "Key interval" )
74 #define KEYINT_LONGTEXT N_( "Interval between keyframes (-1 for auto)" )
76 #define BFRAMES_TEXT N_( "B Frames" )
77 #define BFRAMES_LONGTEXT N_("If this option is set, B-Frames will be used. " \
78 "Use this option to set the number of B-Frames.")
80 #define BITRATE_TEXT N_( "Bitrate" )
81 #define BITRATE_LONGTEXT N_( "Bitrate to use (-1 for default)" )
83 #define BITRATE_PEAK_TEXT N_( "Bitrate peak" )
84 #define BITRATE_PEAK_LONGTEXT N_( "Peak bitrate in VBR mode" )
86 #define BITRATE_MODE_TEXT N_( "Bitrate mode (vbr or cbr)" )
87 #define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use" )
89 #define BITMASK_TEXT N_( "Audio bitmask" )
90 #define BITMASK_LONGTEXT N_("This option allows setting of bitmask that will "\
91 "get used by the audio part of the card." )
93 #define CHAN_TEXT N_( "Channel" )
94 #define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, " \
95 "1 = composite, 2 = svideo)" )
97 #define CACHING_TEXT N_("Caching value in ms")
98 #define CACHING_LONGTEXT N_( \
99 "Allows you to modify the default caching value for pvr streams. This " \
100 "value should be set in millisecond units." )
102 static int i_norm_list[] =
103 { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC };
104 static char *psz_norm_list_text[] =
105 { N_("Automatic"), N_("SECAM"), N_("PAL"), N_("NTSC") };
107 static int i_bitrates[] = { 0, 1 };
108 static char *psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
111 set_shortname( _("PVR") );
112 set_description( _("MPEG Encoding cards input (with ivtv drivers)") );
113 set_category( CAT_INPUT );
114 set_subcategory( SUBCAT_INPUT_ACCESS );
115 set_capability( "access2", 0 );
116 add_shortcut( "pvr" );
118 add_integer( "pvr-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
119 add_string( "pvr-device", "/dev/video0", NULL, DEVICE_TEXT,
120 DEVICE_LONGTEXT, VLC_FALSE );
121 add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NULL, NORM_TEXT,
122 NORM_LONGTEXT, VLC_FALSE );
123 change_integer_list( i_norm_list, psz_norm_list_text, 0 );
124 add_integer( "pvr-width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_TRUE );
125 add_integer( "pvr-height", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT,
127 add_integer( "pvr-frequency", -1, NULL, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
129 add_integer( "pvr-framerate", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
131 add_integer( "pvr-keyint", -1, NULL, KEYINT_TEXT, KEYINT_LONGTEXT,
133 add_integer( "pvr-bframes", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
135 add_integer( "pvr-bitrate", -1, NULL, BITRATE_TEXT, BITRATE_LONGTEXT,
137 add_integer( "pvr-bitrate-peak", -1, NULL, BITRATE_PEAK_TEXT,
138 BITRATE_PEAK_LONGTEXT, VLC_TRUE );
139 add_integer( "pvr-bitrate-mode", -1, NULL, BITRATE_MODE_TEXT,
140 BITRATE_MODE_LONGTEXT, VLC_TRUE );
141 change_integer_list( i_bitrates, psz_bitrates_list_text, 0 );
142 add_integer( "pvr-audio-bitmask", -1, NULL, BITMASK_TEXT,
143 BITMASK_LONGTEXT, VLC_TRUE );
144 add_integer( "pvr-channel", -1, NULL, CHAN_TEXT, CHAN_LONGTEXT, VLC_TRUE );
145 add_integer( "pvr-caching", DEFAULT_PTS_DELAY / 1000, NULL,
146 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
148 set_callbacks( Open, Close );
151 /*****************************************************************************
153 *****************************************************************************/
154 static int Read ( access_t *, uint8_t *, int );
155 static int Control( access_t *, int, va_list );
157 /* ivtv specific ioctls */
158 #define IVTV_IOC_G_CODEC 0xFFEE7703
159 #define IVTV_IOC_S_CODEC 0xFFEE7704
161 /* for use with IVTV_IOC_G_CODEC and IVTV_IOC_S_CODEC */
163 struct ivtv_ioctl_codec {
165 uint32_t audio_bitmask;
167 uint32_t bitrate_mode;
169 uint32_t bitrate_peak;
171 uint32_t dnr_spatial;
172 uint32_t dnr_temporal;
175 uint32_t framespergop;
176 uint32_t gop_closure;
178 uint32_t stream_type;
183 /* file descriptor */
201 /*****************************************************************************
202 * Open: open the device
203 *****************************************************************************/
204 static int Open( vlc_object_t * p_this )
206 access_t *p_access = (access_t*) p_this;
207 access_sys_t * p_sys;
208 char * psz_tofree, * psz_parser, * psz_device;
211 struct v4l2_format vfmt;
212 struct v4l2_frequency vf;
213 struct ivtv_ioctl_codec codec;
215 //psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
217 p_access->pf_read = Read;
218 p_access->pf_block = NULL;
219 p_access->pf_seek = NULL;
220 p_access->pf_control = Control;
221 p_access->info.i_update = 0;
222 p_access->info.i_size = 0;
223 p_access->info.i_pos = 0;
224 p_access->info.b_eof = VLC_FALSE;
225 p_access->info.i_title = 0;
226 p_access->info.i_seekpoint = 0;
228 /* create private access data */
229 p_sys = calloc( sizeof( access_sys_t ), 1 );
230 p_access->p_sys = p_sys;
232 /* defaults values */
233 var_Create( p_access, "pvr-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
235 var_Create( p_access, "pvr-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
236 var_Get( p_access, "pvr-device" , &val);
237 psz_device = val.psz_string;
239 var_Create( p_access, "pvr-norm", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
240 var_Get( p_access, "pvr-norm" , &val);
241 p_sys->i_standard = val.i_int;
243 var_Create( p_access, "pvr-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
244 var_Get( p_access, "pvr-width" , &val);
245 p_sys->i_width = val.i_int;
247 var_Create( p_access, "pvr-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
248 var_Get( p_access, "pvr-height" , &val);
249 p_sys->i_height = val.i_int;
251 var_Create( p_access, "pvr-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
252 var_Get( p_access, "pvr-frequency" , &val);
253 p_sys->i_frequency = val.i_int;
255 var_Create( p_access, "pvr-framerate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
256 var_Get( p_access, "pvr-framerate" , &val);
257 p_sys->i_framerate = val.i_int;
259 var_Create( p_access, "pvr-keyint", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
260 var_Get( p_access, "pvr-keyint" , &val);
261 p_sys->i_keyint = val.i_int;
263 var_Create( p_access, "pvr-bframes", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
264 var_Get( p_access, "pvr-bframes" , &val);
265 p_sys->i_bframes = val.b_bool;
267 var_Create( p_access, "pvr-bitrate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
268 var_Get( p_access, "pvr-bitrate" , &val);
269 p_sys->i_bitrate = val.i_int;
271 var_Create( p_access, "pvr-bitrate-peak", VLC_VAR_INTEGER |
273 var_Get( p_access, "pvr-bitrate-peak" , &val);
274 p_sys->i_bitrate_peak = val.i_int;
276 var_Create( p_access, "pvr-bitrate-mode", VLC_VAR_INTEGER |
278 var_Get( p_access, "pvr-bitrate-mode" , &val);
279 p_sys->i_bitrate_mode = val.i_int;
281 var_Create( p_access, "pvr-audio-bitmask", VLC_VAR_INTEGER |
283 var_Get( p_access, "pvr-audio-bitmask" , &val);
284 p_sys->i_audio_bitmask = val.i_int;
285 var_Create( p_access, "pvr-channel", VLC_VAR_INTEGER |
287 var_Get( p_access, "pvr-channel" , &val);
288 p_sys->i_input = val.i_int;
290 /* parse command line options */
291 psz_tofree = strdup( p_access->psz_path );
292 psz_parser = psz_tofree;
298 if ( !strncmp( psz_parser, "norm=", strlen( "norm=" ) ) )
300 char *psz_parser_init;
301 psz_parser += strlen( "norm=" );
302 psz_parser_init = psz_parser;
303 while ( *psz_parser != ':' && *psz_parser != ','
304 && *psz_parser != '\0' )
309 if ( !strncmp( psz_parser_init, "secam" ,
310 psz_parser - psz_parser_init ) )
312 p_sys->i_standard = V4L2_STD_SECAM;
314 else if ( !strncmp( psz_parser_init, "pal" ,
315 psz_parser - psz_parser_init ) )
317 p_sys->i_standard = V4L2_STD_PAL;
319 else if ( !strncmp( psz_parser_init, "ntsc" ,
320 psz_parser - psz_parser_init ) )
322 p_sys->i_standard = V4L2_STD_NTSC;
326 p_sys->i_standard = strtol( psz_parser_init ,
330 else if( !strncmp( psz_parser, "channel=",
331 strlen( "channel=" ) ) )
334 strtol( psz_parser + strlen( "channel=" ),
337 else if( !strncmp( psz_parser, "device=", strlen( "device=" ) ) )
339 psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
340 sprintf( psz_device, "/dev/video%ld",
341 strtol( psz_parser + strlen( "device=" ),
344 else if( !strncmp( psz_parser, "frequency=",
345 strlen( "frequency=" ) ) )
348 strtol( psz_parser + strlen( "frequency=" ),
351 else if( !strncmp( psz_parser, "framerate=",
352 strlen( "framerate=" ) ) )
355 strtol( psz_parser + strlen( "framerate=" ),
358 else if( !strncmp( psz_parser, "keyint=",
359 strlen( "keyint=" ) ) )
362 strtol( psz_parser + strlen( "keyint=" ),
365 else if( !strncmp( psz_parser, "bframes=",
366 strlen( "bframes=" ) ) )
369 strtol( psz_parser + strlen( "bframes=" ),
373 else if( !strncmp( psz_parser, "width=",
374 strlen( "width=" ) ) )
377 strtol( psz_parser + strlen( "width=" ),
380 else if( !strncmp( psz_parser, "height=",
381 strlen( "height=" ) ) )
384 strtol( psz_parser + strlen( "height=" ),
387 else if( !strncmp( psz_parser, "audio=",
388 strlen( "audio=" ) ) )
390 p_sys->i_audio_bitmask =
391 strtol( psz_parser + strlen( "audio=" ),
394 else if( !strncmp( psz_parser, "bitrate=",
395 strlen( "bitrate=" ) ) )
398 strtol( psz_parser + strlen( "bitrate=" ),
401 else if( !strncmp( psz_parser, "maxbitrate=",
402 strlen( "maxbitrate=" ) ) )
404 p_sys->i_bitrate_peak =
405 strtol( psz_parser + strlen( "maxbitrate=" ),
408 else if( !strncmp( psz_parser, "bitratemode=",
409 strlen( "bitratemode=" ) ) )
411 char *psz_parser_init;
412 psz_parser += strlen( "bitratemode=" );
413 psz_parser_init = psz_parser;
414 while ( *psz_parser != ':' && *psz_parser != ','
415 && *psz_parser != '\0' )
420 if ( !strncmp( psz_parser_init, "vbr" ,
421 psz_parser - psz_parser_init ) )
423 p_sys->i_bitrate_mode = 0;
425 else if ( !strncmp( psz_parser_init, "cbr" ,
426 psz_parser - psz_parser_init ) )
428 p_sys->i_bitrate_mode = 1;
431 else if( !strncmp( psz_parser, "size=",
432 strlen( "size=" ) ) )
435 strtol( psz_parser + strlen( "size=" ),
438 strtol( psz_parser + 1 ,
443 char *psz_parser_init;
444 psz_parser_init = psz_parser;
445 while ( *psz_parser != ':' && *psz_parser != ',' && *psz_parser != '\0' )
449 psz_device = calloc( psz_parser - psz_parser_init + 1, 1 );
450 strncpy( psz_device, psz_parser_init,
451 psz_parser - psz_parser_init );
460 //give a default value to psz_device if none has bee specified
464 psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
465 strcpy( psz_device, "/dev/video0" );
470 /* open the device */
471 if( ( p_sys->i_fd = open( psz_device, O_RDWR ) ) < 0 )
473 msg_Err( p_access, "cannot open device (%s)", strerror( errno ) );
478 msg_Dbg( p_access, "using video device: %s",psz_device);
484 if ( p_sys->i_input != -1 )
486 if ( ioctl( p_sys->i_fd, VIDIOC_S_INPUT, &p_sys->i_input ) < 0 )
488 msg_Warn( p_access, "VIDIOC_S_INPUT failed" );
492 msg_Dbg( p_access, "input set to:%d", p_sys->i_input);
496 /* set the video standard */
497 if ( p_sys->i_standard != V4L2_STD_UNKNOWN )
499 if ( ioctl( p_sys->i_fd, VIDIOC_S_STD, &p_sys->i_standard ) < 0 )
501 msg_Warn( p_access, "VIDIOC_S_STD failed" );
505 msg_Dbg( p_access, "video standard set to:%x", p_sys->i_standard);
509 /* set the picture size */
510 if ( p_sys->i_width != -1 || p_sys->i_height != -1 )
512 if ( ioctl( p_sys->i_fd, VIDIOC_G_FMT, &vfmt ) < 0 )
514 msg_Warn( p_access, "VIDIOC_G_FMT failed" );
518 if ( p_sys->i_width != -1 )
520 vfmt.fmt.pix.width = p_sys->i_width;
523 if ( p_sys->i_height != -1 )
525 vfmt.fmt.pix.height = p_sys->i_height;
528 if ( ioctl( p_sys->i_fd, VIDIOC_S_FMT, &vfmt ) < 0 )
530 msg_Warn( p_access, "VIDIOC_S_FMT failed" );
534 msg_Dbg( p_access, "picture size set to:%dx%d",
535 vfmt.fmt.pix.width, vfmt.fmt.pix.height );
540 /* set the frequency */
541 if ( p_sys->i_frequency != -1 )
543 vf.tuner = 0; /* TODO: let the user choose the tuner */
544 if ( ioctl( p_sys->i_fd, VIDIOC_G_FREQUENCY, &vf ) < 0 )
546 msg_Warn( p_access, "VIDIOC_G_FREQUENCY failed (%s)",
551 vf.frequency = p_sys->i_frequency * 16 / 1000;
552 if( ioctl( p_sys->i_fd, VIDIOC_S_FREQUENCY, &vf ) < 0 )
554 msg_Warn( p_access, "VIDIOC_S_FREQUENCY failed (%s)",
559 msg_Dbg( p_access, "Tuner frequency set to:%d",
565 /* codec parameters */
566 if ( p_sys->i_framerate != -1
567 || p_sys->i_bitrate_mode != -1
568 || p_sys->i_bitrate_peak != -1
569 || p_sys->i_keyint != -1
570 || p_sys->i_bframes != -1
571 || p_sys->i_bitrate != -1
572 || p_sys->i_audio_bitmask != -1 )
574 if ( ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec ) < 0 )
576 msg_Warn( p_access, "IVTV_IOC_G_CODEC failed" );
580 if ( p_sys->i_framerate != -1 )
582 switch ( p_sys->i_framerate )
593 msg_Warn( p_access, "invalid framerate, reverting to 25" );
599 if ( p_sys->i_bitrate != -1 )
601 codec.bitrate = p_sys->i_bitrate;
604 if ( p_sys->i_bitrate_peak != -1 )
606 codec.bitrate_peak = p_sys->i_bitrate_peak;
609 if ( p_sys->i_bitrate_mode != -1 )
611 codec.bitrate_mode = p_sys->i_bitrate_mode;
614 if ( p_sys->i_audio_bitmask != -1 )
616 codec.audio_bitmask = p_sys->i_audio_bitmask;
618 if ( p_sys->i_keyint != -1 )
620 codec.framespergop = p_sys->i_keyint;
623 if ( p_sys->i_bframes != -1 )
625 codec.bframes = p_sys->i_bframes;
627 if( ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec ) < 0 )
629 msg_Warn( p_access, "IVTV_IOC_S_CODEC failed" );
633 msg_Dbg( p_access, "Setting codec parameters to: framerate: %d, bitrate: %d/%d/%d",
634 codec.framerate, codec.bitrate, codec.bitrate_peak, codec.bitrate_mode );
639 /* do a quick read */
643 if ( read( p_sys->i_fd, psz_tmp, 1 ) )
645 msg_Dbg(p_input, "Could read byte from device");
649 msg_Warn(p_input, "Could not read byte from device");
657 /*****************************************************************************
658 * Close: close the device
659 *****************************************************************************/
660 static void Close( vlc_object_t * p_this )
662 access_t *p_access = (access_t*) p_this;
663 access_sys_t * p_sys = p_access->p_sys;
665 close( p_sys->i_fd );
669 /*****************************************************************************
671 *****************************************************************************/
672 static int Read( access_t * p_access, uint8_t * p_buffer, int i_len )
674 access_sys_t * p_sys = p_access->p_sys;
678 struct timeval timeout;
682 FD_SET( p_sys->i_fd, &fds );
684 timeout.tv_usec = 500000;
686 if( p_access->info.b_eof )
689 while( !( i_ret = select( p_sys->i_fd + 1, &fds, NULL, NULL, &timeout) ) )
692 FD_SET( p_sys->i_fd, &fds );
694 timeout.tv_usec = 500000;
696 if( p_access->b_die )
702 msg_Err( p_access, "select error (%s)", strerror( errno ) );
706 i_ret = read( p_sys->i_fd, p_buffer, i_len );
709 p_access->info.b_eof = VLC_TRUE;
713 p_access->info.i_pos += i_ret;
719 /*****************************************************************************
721 *****************************************************************************/
722 static int Control( access_t *p_access, int i_query, va_list args )
731 case ACCESS_CAN_SEEK:
732 case ACCESS_CAN_FASTSEEK:
733 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
734 *pb_bool = VLC_FALSE;
736 case ACCESS_CAN_PAUSE:
737 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
738 *pb_bool = VLC_FALSE;
740 case ACCESS_CAN_CONTROL_PACE:
741 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
742 *pb_bool = VLC_FALSE;
747 pi_int = (int*)va_arg( args, int * );
751 case ACCESS_GET_PTS_DELAY:
752 pi_64 = (int64_t*)va_arg( args, int64_t * );
753 *pi_64 = (int64_t)var_GetInteger( p_access, "pvr-caching" ) * 1000;
757 case ACCESS_SET_PAUSE_STATE:
761 case ACCESS_GET_TITLE_INFO:
762 case ACCESS_SET_TITLE:
763 case ACCESS_SET_SEEKPOINT:
764 case ACCESS_SET_PRIVATE_ID_STATE:
768 msg_Warn( p_access, "unimplemented query in control" );