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 DEVICE_TEXT N_( "Device" )
47 #define DEVICE_LONGTEXT N_( "PVR video device" )
49 #define NORM_TEXT N_( "Norm" )
50 #define NORM_LONGTEXT N_( "Defines the norm of the stream (Automatic, SECAM, PAL, or NTSC)" )
51 static int i_norm_list[] = { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL,
53 static char *psz_norm_list_text[] = { N_("Automatic"), N_("SECAM"),
54 N_("PAL"), N_("NSTC") };
56 #define WIDTH_TEXT N_( "Width" )
57 #define WIDTH_LONGTEXT N_( "Width of the stream to capture (-1 for " \
59 #define HEIGHT_TEXT N_( "Height" )
60 #define HEIGHT_LONGTEXT N_( "Height of the stream to capture (-1 for " \
62 #define FREQUENCY_TEXT N_( "Frequency" )
63 #define FREQUENCY_LONGTEXT N_( "Frequency to capture (in kHz), if applicable" )
64 #define FRAMERATE_TEXT N_( "Framerate" )
65 #define FRAMERATE_LONGTEXT N_( "Framerate to capture, if applicable (-1 for " \
67 #define KEYINT_TEXT N_( "Key interval" )
68 #define KEYINT_LONGTEXT N_( "Interval between keyframes, in FIXME (-1 for " \
70 #define BFRAMES_TEXT N_( "B Frames" )
71 #define BFRAMES_LONGTEXT N_("If this option is set, B-Frames will be used." \
72 "Use this option to set the number of B-Frames")
73 #define BITRATE_TEXT N_( "Bitrate" )
74 #define BITRATE_LONGTEXT N_( "Bitrate to use (-1 for default)" )
75 #define BITRATE_PEAK_TEXT N_( "Bitrate peak" )
76 #define BITRATE_PEAK_LONGTEXT N_( "Peak bitrate in VBR mode" )
77 #define BITRATE_MODE_TEXT N_( "Bitrate mode (vbr or cbr)" )
78 #define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use" )
79 #define BITMASK_TEXT N_( "Audio bitmask" )
80 #define BITMASK_LONGTEXT N_("FIXME FIXME FIXME FIXME" )
81 #define CHAN_TEXT N_( "Channel" )
82 #define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, " \
83 "1 = composite, 2 = svideo )" )
85 static int i_bitrates[] = { 0, 1 };
86 static char *psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
89 set_shortname( _("PVR") );
90 set_description( _("MPEG Encoding cards input (with ivtv drivers)") );
91 set_capability( "access2", 0 );
92 add_shortcut( "pvr" );
94 add_string( "pvr-device", "/dev/video0", NULL, DEVICE_TEXT,
95 DEVICE_LONGTEXT, VLC_FALSE );
97 add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NULL, NORM_TEXT,
98 NORM_LONGTEXT, VLC_FALSE );
99 change_integer_list( i_norm_list, psz_norm_list_text, 0 );
101 add_integer( "pvr-width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_TRUE );
102 add_integer( "pvr-height", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT,
104 add_integer( "pvr-frequency", -1, NULL, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
106 add_integer( "pvr-framerate", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
108 add_integer( "pvr-keyint", -1, NULL, KEYINT_TEXT, KEYINT_LONGTEXT,
110 add_integer( "pvr-bframes", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
112 add_integer( "pvr-bitrate", -1, NULL, BITRATE_TEXT, BITRATE_LONGTEXT,
114 add_integer( "pvr-bitrate-peak", -1, NULL, BITRATE_PEAK_TEXT,
115 BITRATE_PEAK_LONGTEXT, VLC_TRUE );
116 add_integer( "pvr-bitrate-mode", -1, NULL, BITRATE_MODE_TEXT,
117 BITRATE_MODE_LONGTEXT, VLC_TRUE );
118 change_integer_list( i_bitrates, psz_bitrates_list_text, 0 );
119 add_integer( "pvr-audio-bitmask", -1, NULL, BITMASK_TEXT,
120 BITMASK_LONGTEXT, VLC_TRUE );
121 add_integer( "pvr-channel", -1, NULL, CHAN_TEXT,
122 CHAN_LONGTEXT, VLC_TRUE );
124 set_callbacks( Open, Close );
127 /*****************************************************************************
129 *****************************************************************************/
130 static int Read ( access_t *, uint8_t *, int );
131 static int Control( access_t *, int, va_list );
133 /* ivtv specific ioctls */
134 #define IVTV_IOC_G_CODEC 0xFFEE7703
135 #define IVTV_IOC_S_CODEC 0xFFEE7704
137 /* for use with IVTV_IOC_G_CODEC and IVTV_IOC_S_CODEC */
139 struct ivtv_ioctl_codec {
141 uint32_t audio_bitmask;
143 uint32_t bitrate_mode;
145 uint32_t bitrate_peak;
147 uint32_t dnr_spatial;
148 uint32_t dnr_temporal;
151 uint32_t framespergop;
152 uint32_t gop_closure;
154 uint32_t stream_type;
159 /* file descriptor */
177 /*****************************************************************************
178 * Open: open the device
179 *****************************************************************************/
180 static int Open( vlc_object_t * p_this )
182 access_t *p_access = (access_t*) p_this;
183 access_sys_t * p_sys;
184 char * psz_tofree, * psz_parser, * psz_device;
188 struct v4l2_format vfmt;
189 struct v4l2_frequency vf;
190 struct ivtv_ioctl_codec codec;
192 //psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
194 p_access->pf_read = Read;
195 p_access->pf_block = NULL;
196 p_access->pf_seek = NULL;
197 p_access->pf_control = Control;
198 p_access->info.i_update = 0;
199 p_access->info.i_size = 0;
200 p_access->info.i_pos = 0;
201 p_access->info.b_eof = VLC_FALSE;
202 p_access->info.i_title = 0;
203 p_access->info.i_seekpoint = 0;
205 /* create private access data */
206 p_sys = calloc( sizeof( access_sys_t ), 1 );
207 p_access->p_sys = p_sys;
209 /* defaults values */
210 var_Create( p_access, "pvr-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
211 var_Get( p_access, "pvr-device" , &val);
212 psz_device = val.psz_string;
214 var_Create( p_access, "pvr-norm", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
215 var_Get( p_access, "pvr-norm" , &val);
216 p_sys->i_standard = val.i_int;
218 var_Create( p_access, "pvr-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
219 var_Get( p_access, "pvr-width" , &val);
220 p_sys->i_width = val.i_int;
222 var_Create( p_access, "pvr-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
223 var_Get( p_access, "pvr-height" , &val);
224 p_sys->i_height = val.i_int;
226 var_Create( p_access, "pvr-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
227 var_Get( p_access, "pvr-frequency" , &val);
228 p_sys->i_frequency = val.i_int;
230 var_Create( p_access, "pvr-framerate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
231 var_Get( p_access, "pvr-framerate" , &val);
232 p_sys->i_framerate = val.i_int;
234 var_Create( p_access, "pvr-keyint", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
235 var_Get( p_access, "pvr-keyint" , &val);
236 p_sys->i_keyint = val.i_int;
238 var_Create( p_access, "pvr-bframes", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
239 var_Get( p_access, "pvr-bframes" , &val);
240 p_sys->i_bframes = val.b_bool;
242 var_Create( p_access, "pvr-bitrate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
243 var_Get( p_access, "pvr-bitrate" , &val);
244 p_sys->i_bitrate = val.i_int;
246 var_Create( p_access, "pvr-bitrate-peak", VLC_VAR_INTEGER |
248 var_Get( p_access, "pvr-bitrate-peak" , &val);
249 p_sys->i_bitrate_peak = val.i_int;
251 var_Create( p_access, "pvr-bitrate-mode", VLC_VAR_INTEGER |
253 var_Get( p_access, "pvr-bitrate-mode" , &val);
254 p_sys->i_bitrate_mode = val.i_int;
256 var_Create( p_access, "pvr-audio-bitmask", VLC_VAR_INTEGER |
258 var_Get( p_access, "pvr-audio-bitmask" , &val);
259 p_sys->i_audio_bitmask = val.i_int;
260 var_Create( p_access, "pvr-channel", VLC_VAR_INTEGER |
262 var_Get( p_access, "pvr-channel" , &val);
263 p_sys->i_input = val.i_int;
265 /* parse command line options */
266 psz_tofree = strdup( p_access->psz_path );
267 psz_parser = psz_tofree;
273 if ( !strncmp( psz_parser, "norm=", strlen( "norm=" ) ) )
275 char *psz_parser_init;
276 psz_parser += strlen( "norm=" );
277 psz_parser_init = psz_parser;
278 while ( *psz_parser != ':' && *psz_parser != ','
279 && *psz_parser != '\0' )
284 if ( !strncmp( psz_parser_init, "secam" ,
285 psz_parser - psz_parser_init ) )
287 p_sys->i_standard = V4L2_STD_SECAM;
289 else if ( !strncmp( psz_parser_init, "pal" ,
290 psz_parser - psz_parser_init ) )
292 p_sys->i_standard = V4L2_STD_PAL;
294 else if ( !strncmp( psz_parser_init, "ntsc" ,
295 psz_parser - psz_parser_init ) )
297 p_sys->i_standard = V4L2_STD_NTSC;
301 p_sys->i_standard = strtol( psz_parser_init ,
305 else if( !strncmp( psz_parser, "channel=",
306 strlen( "channel=" ) ) )
309 strtol( psz_parser + strlen( "channel=" ),
312 else if( !strncmp( psz_parser, "device=", strlen( "device=" ) ) )
314 psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
315 sprintf( psz_device, "/dev/video%ld",
316 strtol( psz_parser + strlen( "device=" ),
319 else if( !strncmp( psz_parser, "frequency=",
320 strlen( "frequency=" ) ) )
323 strtol( psz_parser + strlen( "frequency=" ),
326 else if( !strncmp( psz_parser, "framerate=",
327 strlen( "framerate=" ) ) )
330 strtol( psz_parser + strlen( "framerate=" ),
333 else if( !strncmp( psz_parser, "keyint=",
334 strlen( "keyint=" ) ) )
337 strtol( psz_parser + strlen( "keyint=" ),
340 else if( !strncmp( psz_parser, "bframes=",
341 strlen( "bframes=" ) ) )
344 strtol( psz_parser + strlen( "bframes=" ),
348 else if( !strncmp( psz_parser, "width=",
349 strlen( "width=" ) ) )
352 strtol( psz_parser + strlen( "width=" ),
355 else if( !strncmp( psz_parser, "height=",
356 strlen( "height=" ) ) )
359 strtol( psz_parser + strlen( "height=" ),
362 else if( !strncmp( psz_parser, "audio=",
363 strlen( "audio=" ) ) )
365 p_sys->i_audio_bitmask =
366 strtol( psz_parser + strlen( "audio=" ),
369 else if( !strncmp( psz_parser, "bitrate=",
370 strlen( "bitrate=" ) ) )
373 strtol( psz_parser + strlen( "bitrate=" ),
376 else if( !strncmp( psz_parser, "maxbitrate=",
377 strlen( "maxbitrate=" ) ) )
379 p_sys->i_bitrate_peak =
380 strtol( psz_parser + strlen( "maxbitrate=" ),
383 else if( !strncmp( psz_parser, "bitratemode=",
384 strlen( "bitratemode=" ) ) )
386 char *psz_parser_init;
387 psz_parser += strlen( "bitratemode=" );
388 psz_parser_init = psz_parser;
389 while ( *psz_parser != ':' && *psz_parser != ','
390 && *psz_parser != '\0' )
395 if ( !strncmp( psz_parser_init, "vbr" ,
396 psz_parser - psz_parser_init ) )
398 p_sys->i_bitrate_mode = 0;
400 else if ( !strncmp( psz_parser_init, "cbr" ,
401 psz_parser - psz_parser_init ) )
403 p_sys->i_bitrate_mode = 1;
406 else if( !strncmp( psz_parser, "size=",
407 strlen( "size=" ) ) )
410 strtol( psz_parser + strlen( "size=" ),
413 strtol( psz_parser + 1 ,
418 char *psz_parser_init;
419 psz_parser_init = psz_parser;
420 while ( *psz_parser != ':' && *psz_parser != ',' && *psz_parser != '\0' )
424 psz_device = calloc( psz_parser - psz_parser_init + 1, 1 );
425 strncpy( psz_device, psz_parser_init,
426 psz_parser - psz_parser_init );
435 //give a default value to psz_device if none has bee specified
439 psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
440 strcpy( psz_device, "/dev/video0" );
445 /* open the device */
446 if( ( p_sys->i_fd = open( psz_device, O_RDWR ) ) < 0 )
448 msg_Err( p_access, "cannot open device (%s)", strerror( errno ) );
453 msg_Dbg( p_access, "using video device: %s",psz_device);
459 if ( p_sys->i_input != -1 )
461 if ( ioctl( p_sys->i_fd, VIDIOC_S_INPUT, &p_sys->i_input ) < 0 )
463 msg_Warn( p_access, "VIDIOC_S_INPUT failed" );
467 msg_Dbg( p_access, "input set to:%d", p_sys->i_input);
471 /* set the video standard */
472 if ( p_sys->i_standard != V4L2_STD_UNKNOWN )
474 if ( ioctl( p_sys->i_fd, VIDIOC_S_STD, &p_sys->i_standard ) < 0 )
476 msg_Warn( p_access, "VIDIOC_S_STD failed" );
480 msg_Dbg( p_access, "video standard set to:%x", p_sys->i_standard);
484 /* set the picture size */
485 if ( p_sys->i_width != -1 || p_sys->i_height != -1 )
487 if ( ioctl( p_sys->i_fd, VIDIOC_G_FMT, &vfmt ) < 0 )
489 msg_Warn( p_access, "VIDIOC_G_FMT failed" );
493 if ( p_sys->i_width != -1 )
495 vfmt.fmt.pix.width = p_sys->i_width;
498 if ( p_sys->i_height != -1 )
500 vfmt.fmt.pix.height = p_sys->i_height;
503 if ( ioctl( p_sys->i_fd, VIDIOC_S_FMT, &vfmt ) < 0 )
505 msg_Warn( p_access, "VIDIOC_S_FMT failed" );
509 msg_Dbg( p_access, "picture size set to:%dx%d",
510 vfmt.fmt.pix.width, vfmt.fmt.pix.height );
515 /* set the frequency */
516 if ( p_sys->i_frequency != -1 )
518 vf.tuner = 0; /* TODO: let the user choose the tuner */
519 if ( ioctl( p_sys->i_fd, VIDIOC_G_FREQUENCY, &vf ) < 0 )
521 msg_Warn( p_access, "VIDIOC_G_FREQUENCY failed (%s)",
526 vf.frequency = p_sys->i_frequency * 16 / 1000;
527 if( ioctl( p_sys->i_fd, VIDIOC_S_FREQUENCY, &vf ) < 0 )
529 msg_Warn( p_access, "VIDIOC_S_FREQUENCY failed (%s)",
534 msg_Dbg( p_access, "Tuner frequency set to:%d",
540 /* codec parameters */
541 if ( p_sys->i_framerate != -1
542 || p_sys->i_bitrate_mode != -1
543 || p_sys->i_bitrate_peak != -1
544 || p_sys->i_keyint != -1
545 || p_sys->i_bframes != -1
546 || p_sys->i_bitrate != -1
547 || p_sys->i_audio_bitmask != -1 )
549 if ( ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec ) < 0 )
551 msg_Warn( p_access, "IVTV_IOC_G_CODEC failed" );
555 if ( p_sys->i_framerate != -1 )
557 switch ( p_sys->i_framerate )
568 msg_Warn( p_access, "invalid framerate, reverting to 25" );
574 if ( p_sys->i_bitrate != -1 )
576 codec.bitrate = p_sys->i_bitrate;
579 if ( p_sys->i_bitrate_peak != -1 )
581 codec.bitrate_peak = p_sys->i_bitrate_peak;
584 if ( p_sys->i_bitrate_mode != -1 )
586 codec.bitrate_mode = p_sys->i_bitrate_mode;
589 if ( p_sys->i_audio_bitmask != -1 )
591 codec.audio_bitmask = p_sys->i_audio_bitmask;
593 if ( p_sys->i_keyint != -1 )
595 codec.framespergop = p_sys->i_keyint;
598 if ( p_sys->i_bframes != -1 )
600 codec.bframes = p_sys->i_bframes;
602 if( ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec ) < 0 )
604 msg_Warn( p_access, "IVTV_IOC_S_CODEC failed" );
608 msg_Dbg( p_access, "Setting codec parameters to: framerate: %d, bitrate: %d/%d/%d",
609 codec.framerate, codec.bitrate, codec.bitrate_peak, codec.bitrate_mode );
614 /* do a quick read */
618 if ( read( p_sys->i_fd, psz_tmp, 1 ) )
620 msg_Dbg(p_input, "Could read byte from device");
624 msg_Warn(p_input, "Could not read byte from device");
631 /*****************************************************************************
632 * Close: close the device
633 *****************************************************************************/
634 static void Close( vlc_object_t * p_this )
636 access_t *p_access = (access_t*) p_this;
637 access_sys_t * p_sys = p_access->p_sys;
639 close( p_sys->i_fd );
643 /*****************************************************************************
645 *****************************************************************************/
646 static int Read( access_t * p_access, uint8_t * p_buffer, int i_len )
648 access_sys_t * p_sys = p_access->p_sys;
652 struct timeval timeout;
656 FD_SET( p_sys->i_fd, &fds );
658 timeout.tv_usec = 500000;
660 if( p_access->info.b_eof )
663 while( !( i_ret = select( p_sys->i_fd + 1, &fds, NULL, NULL, &timeout) ) )
666 FD_SET( p_sys->i_fd, &fds );
668 timeout.tv_usec = 500000;
670 if( p_access->b_die )
676 msg_Err( p_access, "select error (%s)", strerror( errno ) );
680 i_ret = read( p_sys->i_fd, p_buffer, i_len );
683 p_access->info.b_eof = VLC_TRUE;
687 p_access->info.i_pos += i_ret;
693 /*****************************************************************************
695 *****************************************************************************/
696 static int Control( access_t *p_access, int i_query, va_list args )
698 access_sys_t *p_sys = p_access->p_sys;
706 case ACCESS_CAN_SEEK:
707 case ACCESS_CAN_FASTSEEK:
708 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
709 *pb_bool = VLC_FALSE;
711 case ACCESS_CAN_PAUSE:
712 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
713 *pb_bool = VLC_FALSE;
715 case ACCESS_CAN_CONTROL_PACE:
716 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
717 *pb_bool = VLC_FALSE;
722 pi_int = (int*)va_arg( args, int * );
726 case ACCESS_GET_PTS_DELAY:
727 pi_64 = (int64_t*)va_arg( args, int64_t * );
732 case ACCESS_SET_PAUSE_STATE:
736 case ACCESS_GET_TITLE_INFO:
737 case ACCESS_SET_TITLE:
738 case ACCESS_SET_SEEKPOINT:
739 case ACCESS_SET_PRIVATE_ID_STATE:
743 msg_Warn( p_access, "unimplemented query in control" );