pvr.c
上传用户:riyaled888
上传日期:2009-03-27
资源大小:7338k
文件大小:25k
- /*****************************************************************************
- * pvr.c
- *****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
- * $Id: pvr.c 8644 2004-09-05 16:53:04Z fkuehne $
- *
- * Authors: Eric Petit <titer@videolan.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <vlc/vlc.h>
- #include <vlc/input.h>
- #include <stdlib.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <unistd.h>
- #include <errno.h>
- #include <linux/types.h>
- #include <sys/ioctl.h>
- #include "videodev2.h"
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- static int Open ( vlc_object_t * );
- static void Close( vlc_object_t * );
- #define DEVICE_TEXT N_( "Device" )
- #define DEVICE_LONGTEXT N_( "PVR video device" )
- #define NORM_TEXT N_( "Norm" )
- #define NORM_LONGTEXT N_( "Defines the norm of the stream (Automatic, SECAM, PAL, or NTSC)" )
- static int i_norm_list[] = { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL,
- V4L2_STD_NTSC };
- static char *psz_norm_list_text[] = { N_("Automatic"), N_("SECAM"),
- N_("PAL"), N_("NTSC") };
- #define WIDTH_TEXT N_( "Width" )
- #define WIDTH_LONGTEXT N_( "Width of the stream to capture (-1 for "
- "autodetect)" )
- #define HEIGHT_TEXT N_( "Height" )
- #define HEIGHT_LONGTEXT N_( "Height of the stream to capture (-1 for "
- "autodetect)" )
- #define FREQUENCY_TEXT N_( "Frequency" )
- #define FREQUENCY_LONGTEXT N_( "Frequency to capture (in kHz), if applicable" )
- #define FRAMERATE_TEXT N_( "Framerate" )
- #define FRAMERATE_LONGTEXT N_( "Framerate to capture, if applicable (-1 for "
- "auto)" )
- #define KEYINT_TEXT N_( "Key interval" )
- #define KEYINT_LONGTEXT N_( "Interval between keyframes (-1 for "
- " auto)" )
- #define BFRAMES_TEXT N_( "B Frames" )
- #define BFRAMES_LONGTEXT N_("If this option is set, B-Frames will be used. "
- "Use this option to set the number of B-Frames.")
- #define BITRATE_TEXT N_( "Bitrate" )
- #define BITRATE_LONGTEXT N_( "Bitrate to use (-1 for default)" )
- #define BITRATE_PEAK_TEXT N_( "Bitrate peak" )
- #define BITRATE_PEAK_LONGTEXT N_( "Peak bitrate in VBR mode" )
- #define BITRATE_MODE_TEXT N_( "Bitrate mode (vbr or cbr)" )
- #define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use" )
- #define BITMASK_TEXT N_( "Audio bitmask" )
- #define BITMASK_LONGTEXT N_("This option allows setting of bitmask that will get used by the audio part of the card." )
- #define CHAN_TEXT N_( "Channel" )
- #define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, "
- "1 = composite, 2 = svideo)" )
- static int i_bitrates[] = { 0, 1 };
- static char *psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
- vlc_module_begin();
- set_shortname( _("PVR") );
- set_description( _("MPEG Encoding cards input (with ivtv drivers)") );
- set_capability( "access2", 0 );
- add_shortcut( "pvr" );
- add_string( "pvr-device", "/dev/video0", NULL, DEVICE_TEXT,
- DEVICE_LONGTEXT, VLC_FALSE );
- add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NULL, NORM_TEXT,
- NORM_LONGTEXT, VLC_FALSE );
- change_integer_list( i_norm_list, psz_norm_list_text, 0 );
- add_integer( "pvr-width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_TRUE );
- add_integer( "pvr-height", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT,
- VLC_TRUE );
- add_integer( "pvr-frequency", -1, NULL, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
- VLC_FALSE );
- add_integer( "pvr-framerate", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
- VLC_TRUE );
- add_integer( "pvr-keyint", -1, NULL, KEYINT_TEXT, KEYINT_LONGTEXT,
- VLC_TRUE );
- add_integer( "pvr-bframes", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
- VLC_TRUE );
- add_integer( "pvr-bitrate", -1, NULL, BITRATE_TEXT, BITRATE_LONGTEXT,
- VLC_FALSE );
- add_integer( "pvr-bitrate-peak", -1, NULL, BITRATE_PEAK_TEXT,
- BITRATE_PEAK_LONGTEXT, VLC_TRUE );
- add_integer( "pvr-bitrate-mode", -1, NULL, BITRATE_MODE_TEXT,
- BITRATE_MODE_LONGTEXT, VLC_TRUE );
- change_integer_list( i_bitrates, psz_bitrates_list_text, 0 );
- add_integer( "pvr-audio-bitmask", -1, NULL, BITMASK_TEXT,
- BITMASK_LONGTEXT, VLC_TRUE );
- add_integer( "pvr-channel", -1, NULL, CHAN_TEXT,
- CHAN_LONGTEXT, VLC_TRUE );
- set_callbacks( Open, Close );
- vlc_module_end();
- /*****************************************************************************
- * Prototypes
- *****************************************************************************/
- static int Read ( access_t *, uint8_t *, int );
- static int Control( access_t *, int, va_list );
- /* ivtv specific ioctls */
- #define IVTV_IOC_G_CODEC 0xFFEE7703
- #define IVTV_IOC_S_CODEC 0xFFEE7704
- /* for use with IVTV_IOC_G_CODEC and IVTV_IOC_S_CODEC */
- struct ivtv_ioctl_codec {
- uint32_t aspect;
- uint32_t audio_bitmask;
- uint32_t bframes;
- uint32_t bitrate_mode;
- uint32_t bitrate;
- uint32_t bitrate_peak;
- uint32_t dnr_mode;
- uint32_t dnr_spatial;
- uint32_t dnr_temporal;
- uint32_t dnr_type;
- uint32_t framerate;
- uint32_t framespergop;
- uint32_t gop_closure;
- uint32_t pulldown;
- uint32_t stream_type;
- };
- struct access_sys_t
- {
- /* file descriptor */
- int i_fd;
- /* options */
- int i_standard;
- int i_width;
- int i_height;
- int i_frequency;
- int i_framerate;
- int i_keyint;
- int i_bframes;
- int i_bitrate;
- int i_bitrate_peak;
- int i_bitrate_mode;
- int i_audio_bitmask;
- int i_input;
- };
- /*****************************************************************************
- * Open: open the device
- *****************************************************************************/
- static int Open( vlc_object_t * p_this )
- {
- access_t *p_access = (access_t*) p_this;
- access_sys_t * p_sys;
- char * psz_tofree, * psz_parser, * psz_device;
- vlc_value_t val;
- struct v4l2_format vfmt;
- struct v4l2_frequency vf;
- struct ivtv_ioctl_codec codec;
- //psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
- p_access->pf_read = Read;
- p_access->pf_block = NULL;
- p_access->pf_seek = NULL;
- p_access->pf_control = Control;
- p_access->info.i_update = 0;
- p_access->info.i_size = 0;
- p_access->info.i_pos = 0;
- p_access->info.b_eof = VLC_FALSE;
- p_access->info.i_title = 0;
- p_access->info.i_seekpoint = 0;
- /* create private access data */
- p_sys = calloc( sizeof( access_sys_t ), 1 );
- p_access->p_sys = p_sys;
- /* defaults values */
- var_Create( p_access, "pvr-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "pvr-device", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-device" , &val);
- psz_device = val.psz_string;
- var_Create( p_access, "pvr-norm", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-norm" , &val);
- p_sys->i_standard = val.i_int;
- var_Create( p_access, "pvr-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-width" , &val);
- p_sys->i_width = val.i_int;
- var_Create( p_access, "pvr-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-height" , &val);
- p_sys->i_height = val.i_int;
- var_Create( p_access, "pvr-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-frequency" , &val);
- p_sys->i_frequency = val.i_int;
- var_Create( p_access, "pvr-framerate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-framerate" , &val);
- p_sys->i_framerate = val.i_int;
- var_Create( p_access, "pvr-keyint", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-keyint" , &val);
- p_sys->i_keyint = val.i_int;
- var_Create( p_access, "pvr-bframes", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-bframes" , &val);
- p_sys->i_bframes = val.b_bool;
- var_Create( p_access, "pvr-bitrate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-bitrate" , &val);
- p_sys->i_bitrate = val.i_int;
- var_Create( p_access, "pvr-bitrate-peak", VLC_VAR_INTEGER |
- VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-bitrate-peak" , &val);
- p_sys->i_bitrate_peak = val.i_int;
- var_Create( p_access, "pvr-bitrate-mode", VLC_VAR_INTEGER |
- VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-bitrate-mode" , &val);
- p_sys->i_bitrate_mode = val.i_int;
- var_Create( p_access, "pvr-audio-bitmask", VLC_VAR_INTEGER |
- VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-audio-bitmask" , &val);
- p_sys->i_audio_bitmask = val.i_int;
- var_Create( p_access, "pvr-channel", VLC_VAR_INTEGER |
- VLC_VAR_DOINHERIT );
- var_Get( p_access, "pvr-channel" , &val);
- p_sys->i_input = val.i_int;
- /* parse command line options */
- psz_tofree = strdup( p_access->psz_path );
- psz_parser = psz_tofree;
- if( *psz_parser )
- {
- for( ;; )
- {
- if ( !strncmp( psz_parser, "norm=", strlen( "norm=" ) ) )
- {
- char *psz_parser_init;
- psz_parser += strlen( "norm=" );
- psz_parser_init = psz_parser;
- while ( *psz_parser != ':' && *psz_parser != ','
- && *psz_parser != ' ' )
- {
- psz_parser++;
- }
- if ( !strncmp( psz_parser_init, "secam" ,
- psz_parser - psz_parser_init ) )
- {
- p_sys->i_standard = V4L2_STD_SECAM;
- }
- else if ( !strncmp( psz_parser_init, "pal" ,
- psz_parser - psz_parser_init ) )
- {
- p_sys->i_standard = V4L2_STD_PAL;
- }
- else if ( !strncmp( psz_parser_init, "ntsc" ,
- psz_parser - psz_parser_init ) )
- {
- p_sys->i_standard = V4L2_STD_NTSC;
- }
- else
- {
- p_sys->i_standard = strtol( psz_parser_init ,
- &psz_parser, 0 );
- }
- }
- else if( !strncmp( psz_parser, "channel=",
- strlen( "channel=" ) ) )
- {
- p_sys->i_input =
- strtol( psz_parser + strlen( "channel=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "device=", strlen( "device=" ) ) )
- {
- psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
- sprintf( psz_device, "/dev/video%ld",
- strtol( psz_parser + strlen( "device=" ),
- &psz_parser, 0 ) );
- }
- else if( !strncmp( psz_parser, "frequency=",
- strlen( "frequency=" ) ) )
- {
- p_sys->i_frequency =
- strtol( psz_parser + strlen( "frequency=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "framerate=",
- strlen( "framerate=" ) ) )
- {
- p_sys->i_framerate =
- strtol( psz_parser + strlen( "framerate=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "keyint=",
- strlen( "keyint=" ) ) )
- {
- p_sys->i_keyint =
- strtol( psz_parser + strlen( "keyint=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "bframes=",
- strlen( "bframes=" ) ) )
- {
- p_sys->i_bframes =
- strtol( psz_parser + strlen( "bframes=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "width=",
- strlen( "width=" ) ) )
- {
- p_sys->i_width =
- strtol( psz_parser + strlen( "width=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "height=",
- strlen( "height=" ) ) )
- {
- p_sys->i_height =
- strtol( psz_parser + strlen( "height=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "audio=",
- strlen( "audio=" ) ) )
- {
- p_sys->i_audio_bitmask =
- strtol( psz_parser + strlen( "audio=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "bitrate=",
- strlen( "bitrate=" ) ) )
- {
- p_sys->i_bitrate =
- strtol( psz_parser + strlen( "bitrate=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "maxbitrate=",
- strlen( "maxbitrate=" ) ) )
- {
- p_sys->i_bitrate_peak =
- strtol( psz_parser + strlen( "maxbitrate=" ),
- &psz_parser, 0 );
- }
- else if( !strncmp( psz_parser, "bitratemode=",
- strlen( "bitratemode=" ) ) )
- {
- char *psz_parser_init;
- psz_parser += strlen( "bitratemode=" );
- psz_parser_init = psz_parser;
- while ( *psz_parser != ':' && *psz_parser != ','
- && *psz_parser != ' ' )
- {
- psz_parser++;
- }
- if ( !strncmp( psz_parser_init, "vbr" ,
- psz_parser - psz_parser_init ) )
- {
- p_sys->i_bitrate_mode = 0;
- }
- else if ( !strncmp( psz_parser_init, "cbr" ,
- psz_parser - psz_parser_init ) )
- {
- p_sys->i_bitrate_mode = 1;
- }
- }
- else if( !strncmp( psz_parser, "size=",
- strlen( "size=" ) ) )
- {
- p_sys->i_width =
- strtol( psz_parser + strlen( "size=" ),
- &psz_parser, 0 );
- p_sys->i_height =
- strtol( psz_parser + 1 ,
- &psz_parser, 0 );
- }
- else
- {
- char *psz_parser_init;
- psz_parser_init = psz_parser;
- while ( *psz_parser != ':' && *psz_parser != ',' && *psz_parser != ' ' )
- {
- psz_parser++;
- }
- psz_device = calloc( psz_parser - psz_parser_init + 1, 1 );
- strncpy( psz_device, psz_parser_init,
- psz_parser - psz_parser_init );
- }
- if( *psz_parser )
- psz_parser++;
- else
- break;
- }
- }
- //give a default value to psz_device if none has bee specified
- if (!psz_device)
- {
- psz_device = calloc( strlen( "/dev/videox" ) + 1, 1 );
- strcpy( psz_device, "/dev/video0" );
- }
- free( psz_tofree );
- /* open the device */
- if( ( p_sys->i_fd = open( psz_device, O_RDWR ) ) < 0 )
- {
- msg_Err( p_access, "cannot open device (%s)", strerror( errno ) );
- return VLC_EGENERIC;
- }
- else
- {
- msg_Dbg( p_access, "using video device: %s",psz_device);
- }
- free( psz_device );
- /* set the input */
- if ( p_sys->i_input != -1 )
- {
- if ( ioctl( p_sys->i_fd, VIDIOC_S_INPUT, &p_sys->i_input ) < 0 )
- {
- msg_Warn( p_access, "VIDIOC_S_INPUT failed" );
- }
- else
- {
- msg_Dbg( p_access, "input set to:%d", p_sys->i_input);
- }
- }
- /* set the video standard */
- if ( p_sys->i_standard != V4L2_STD_UNKNOWN )
- {
- if ( ioctl( p_sys->i_fd, VIDIOC_S_STD, &p_sys->i_standard ) < 0 )
- {
- msg_Warn( p_access, "VIDIOC_S_STD failed" );
- }
- else
- {
- msg_Dbg( p_access, "video standard set to:%x", p_sys->i_standard);
- }
- }
- /* set the picture size */
- if ( p_sys->i_width != -1 || p_sys->i_height != -1 )
- {
- if ( ioctl( p_sys->i_fd, VIDIOC_G_FMT, &vfmt ) < 0 )
- {
- msg_Warn( p_access, "VIDIOC_G_FMT failed" );
- }
- else
- {
- if ( p_sys->i_width != -1 )
- {
- vfmt.fmt.pix.width = p_sys->i_width;
- }
- if ( p_sys->i_height != -1 )
- {
- vfmt.fmt.pix.height = p_sys->i_height;
- }
- if ( ioctl( p_sys->i_fd, VIDIOC_S_FMT, &vfmt ) < 0 )
- {
- msg_Warn( p_access, "VIDIOC_S_FMT failed" );
- }
- else
- {
- msg_Dbg( p_access, "picture size set to:%dx%d",
- vfmt.fmt.pix.width, vfmt.fmt.pix.height );
- }
- }
- }
- /* set the frequency */
- if ( p_sys->i_frequency != -1 )
- {
- vf.tuner = 0; /* TODO: let the user choose the tuner */
- if ( ioctl( p_sys->i_fd, VIDIOC_G_FREQUENCY, &vf ) < 0 )
- {
- msg_Warn( p_access, "VIDIOC_G_FREQUENCY failed (%s)",
- strerror( errno ) );
- }
- else
- {
- vf.frequency = p_sys->i_frequency * 16 / 1000;
- if( ioctl( p_sys->i_fd, VIDIOC_S_FREQUENCY, &vf ) < 0 )
- {
- msg_Warn( p_access, "VIDIOC_S_FREQUENCY failed (%s)",
- strerror( errno ) );
- }
- else
- {
- msg_Dbg( p_access, "Tuner frequency set to:%d",
- p_sys->i_frequency);
- }
- }
- }
- /* codec parameters */
- if ( p_sys->i_framerate != -1
- || p_sys->i_bitrate_mode != -1
- || p_sys->i_bitrate_peak != -1
- || p_sys->i_keyint != -1
- || p_sys->i_bframes != -1
- || p_sys->i_bitrate != -1
- || p_sys->i_audio_bitmask != -1 )
- {
- if ( ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec ) < 0 )
- {
- msg_Warn( p_access, "IVTV_IOC_G_CODEC failed" );
- }
- else
- {
- if ( p_sys->i_framerate != -1 )
- {
- switch ( p_sys->i_framerate )
- {
- case 30:
- codec.framerate = 0;
- break;
- case 25:
- codec.framerate = 1;
- break;
- default:
- msg_Warn( p_access, "invalid framerate, reverting to 25" );
- codec.framerate = 1;
- break;
- }
- }
- if ( p_sys->i_bitrate != -1 )
- {
- codec.bitrate = p_sys->i_bitrate;
- }
- if ( p_sys->i_bitrate_peak != -1 )
- {
- codec.bitrate_peak = p_sys->i_bitrate_peak;
- }
- if ( p_sys->i_bitrate_mode != -1 )
- {
- codec.bitrate_mode = p_sys->i_bitrate_mode;
- }
- if ( p_sys->i_audio_bitmask != -1 )
- {
- codec.audio_bitmask = p_sys->i_audio_bitmask;
- }
- if ( p_sys->i_keyint != -1 )
- {
- codec.framespergop = p_sys->i_keyint;
- }
- if ( p_sys->i_bframes != -1 )
- {
- codec.bframes = p_sys->i_bframes;
- }
- if( ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec ) < 0 )
- {
- msg_Warn( p_access, "IVTV_IOC_S_CODEC failed" );
- }
- else
- {
- msg_Dbg( p_access, "Setting codec parameters to: framerate: %d, bitrate: %d/%d/%d",
- codec.framerate, codec.bitrate, codec.bitrate_peak, codec.bitrate_mode );
- }
- }
- }
- /* do a quick read */
- #if 0
- if ( p_sys->i_fd )
- {
- if ( read( p_sys->i_fd, psz_tmp, 1 ) )
- {
- msg_Dbg(p_input, "Could read byte from device");
- }
- else
- {
- msg_Warn(p_input, "Could not read byte from device");
- }
- }
- #endif
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Close: close the device
- *****************************************************************************/
- static void Close( vlc_object_t * p_this )
- {
- access_t *p_access = (access_t*) p_this;
- access_sys_t * p_sys = p_access->p_sys;
- close( p_sys->i_fd );
- free( p_sys );
- }
- /*****************************************************************************
- * Read
- *****************************************************************************/
- static int Read( access_t * p_access, uint8_t * p_buffer, int i_len )
- {
- access_sys_t * p_sys = p_access->p_sys;
- int i_ret;
- struct timeval timeout;
- fd_set fds;
- FD_ZERO( &fds );
- FD_SET( p_sys->i_fd, &fds );
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
- if( p_access->info.b_eof )
- return 0;
- while( !( i_ret = select( p_sys->i_fd + 1, &fds, NULL, NULL, &timeout) ) )
- {
- FD_ZERO( &fds );
- FD_SET( p_sys->i_fd, &fds );
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
- if( p_access->b_die )
- return 0;
- }
- if( i_ret < 0 )
- {
- msg_Err( p_access, "select error (%s)", strerror( errno ) );
- return -1;
- }
- i_ret = read( p_sys->i_fd, p_buffer, i_len );
- if( i_ret == 0 )
- {
- p_access->info.b_eof = VLC_TRUE;
- }
- else if( i_ret > 0 )
- {
- p_access->info.i_pos += i_ret;
- }
- return i_ret;
- }
- /*****************************************************************************
- * Control
- *****************************************************************************/
- static int Control( access_t *p_access, int i_query, va_list args )
- {
- access_sys_t *p_sys = p_access->p_sys;
- vlc_bool_t *pb_bool;
- int *pi_int;
- int64_t *pi_64;
- switch( i_query )
- {
- /* */
- case ACCESS_CAN_SEEK:
- case ACCESS_CAN_FASTSEEK:
- pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
- *pb_bool = VLC_FALSE;
- break;
- case ACCESS_CAN_PAUSE:
- pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
- *pb_bool = VLC_FALSE;
- break;
- case ACCESS_CAN_CONTROL_PACE:
- pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
- *pb_bool = VLC_FALSE;
- break;
- /* */
- case ACCESS_GET_MTU:
- pi_int = (int*)va_arg( args, int * );
- *pi_int = 0;
- break;
- case ACCESS_GET_PTS_DELAY:
- pi_64 = (int64_t*)va_arg( args, int64_t * );
- *pi_64 = (int64_t)var_GetInteger( p_access, "pvr-caching" ) * I64C(1000);
- break;
- /* */
- case ACCESS_SET_PAUSE_STATE:
- /* Nothing to do */
- break;
- case ACCESS_GET_TITLE_INFO:
- case ACCESS_SET_TITLE:
- case ACCESS_SET_SEEKPOINT:
- case ACCESS_SET_PRIVATE_ID_STATE:
- return VLC_EGENERIC;
- default:
- msg_Warn( p_access, "unimplemented query in control" );
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }