pvr.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:33k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * pvr.c
- *****************************************************************************
- * Copyright (C) 2001, 2002 the VideoLAN team
- * $Id: 70d0127afe6802cb6eebf26f4aeb724ebcc40e74 $
- *
- * Authors: Eric Petit <titer@videolan.org>
- * Paul Corke <paulc@datatote.co.uk>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_access.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 <sys/poll.h>
- #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
- # ifdef VIDEODEV2_H_FILE
- # include VIDEODEV2_H_FILE
- # else
- # include <linux/videodev2.h>
- # endif
- #else
- #include "videodev2.h"
- #endif
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- static int Open ( vlc_object_t * );
- static void Close( vlc_object_t * );
- #define CACHING_TEXT N_("Caching value in ms")
- #define CACHING_LONGTEXT N_(
- "Default caching value for PVR streams. This "
- "value should be set in milliseconds." )
- #define DEVICE_TEXT N_( "Device" )
- #define DEVICE_LONGTEXT N_( "PVR video device" )
- #define RADIO_DEVICE_TEXT N_( "Radio device" )
- #define RADIO_DEVICE_LONGTEXT N_( "PVR radio device" )
- #define NORM_TEXT N_( "Norm" )
- #define NORM_LONGTEXT N_( "Norm of the stream "
- "(Automatic, SECAM, PAL, or NTSC)." )
- #define WIDTH_TEXT N_( "Width" )
- #define WIDTH_LONGTEXT N_( "Width of the stream to capture "
- "(-1 for autodetection)." )
- #define HEIGHT_TEXT N_( "Height" )
- #define HEIGHT_LONGTEXT N_( "Height of the stream to capture "
- "(-1 for autodetection)." )
- #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 autodetect)." )
- #define KEYINT_TEXT N_( "Key interval" )
- #define KEYINT_LONGTEXT N_( "Interval between keyframes (-1 for autodetect)." )
- #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" )
- #define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use (VBR or CBR)." )
- #define BITMASK_TEXT N_( "Audio bitmask" )
- #define BITMASK_LONGTEXT N_("Bitmask that will "
- "get used by the audio part of the card." )
- #define VOLUME_TEXT N_( "Volume" )
- #define VOLUME_LONGTEXT N_("Audio volume (0-65535)." )
- #define CHAN_TEXT N_( "Channel" )
- #define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, "
- "1 = composite, 2 = svideo)" )
- static const int i_norm_list[] =
- { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC };
- static const char *const psz_norm_list_text[] =
- { N_("Automatic"), N_("SECAM"), N_("PAL"), N_("NTSC") };
- static const int i_bitrates[] = { 0, 1 };
- static const char *const psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
- static const int pi_radio_range[2] = { 65000, 108000 };
- vlc_module_begin ()
- set_shortname( N_("PVR") )
- set_description( N_("IVTV MPEG Encoding cards input") )
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_ACCESS )
- set_capability( "access", 0 )
- add_shortcut( "pvr" )
- add_integer( "pvr-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
- CACHING_LONGTEXT, true )
- add_string( "pvr-device", "/dev/video0", NULL, DEVICE_TEXT,
- DEVICE_LONGTEXT, false )
- add_string( "pvr-radio-device", "/dev/radio0", NULL, RADIO_DEVICE_TEXT,
- RADIO_DEVICE_LONGTEXT, false )
- add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NULL, NORM_TEXT,
- NORM_LONGTEXT, false )
- change_integer_list( i_norm_list, psz_norm_list_text, NULL )
- add_integer( "pvr-width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, true )
- add_integer( "pvr-height", -1, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT,
- true )
- add_integer( "pvr-frequency", -1, NULL, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
- false )
- add_integer( "pvr-framerate", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
- true )
- add_integer( "pvr-keyint", -1, NULL, KEYINT_TEXT, KEYINT_LONGTEXT,
- true )
- add_integer( "pvr-bframes", -1, NULL, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
- true )
- add_integer( "pvr-bitrate", -1, NULL, BITRATE_TEXT, BITRATE_LONGTEXT,
- false )
- add_integer( "pvr-bitrate-peak", -1, NULL, BITRATE_PEAK_TEXT,
- BITRATE_PEAK_LONGTEXT, true )
- add_integer( "pvr-bitrate-mode", -1, NULL, BITRATE_MODE_TEXT,
- BITRATE_MODE_LONGTEXT, true )
- change_integer_list( i_bitrates, psz_bitrates_list_text, NULL )
- add_integer( "pvr-audio-bitmask", -1, NULL, BITMASK_TEXT,
- BITMASK_LONGTEXT, true )
- add_integer( "pvr-audio-volume", -1, NULL, VOLUME_TEXT,
- VOLUME_LONGTEXT, true )
- add_integer( "pvr-channel", -1, NULL, CHAN_TEXT, CHAN_LONGTEXT, true )
- set_callbacks( Open, Close )
- vlc_module_end ()
- /*****************************************************************************
- * Prototypes
- *****************************************************************************/
- static ssize_t Read ( access_t *, uint8_t *, size_t );
- 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;
- int i_radio_fd;
- char *psz_videodev;
- char *psz_radiodev;
- /* 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;
- int i_volume;
- /* driver version */
- bool b_v4l2_api;
- };
- /*****************************************************************************
- * ConfigureIVTV: set up codec parameters using the old ivtv api
- *****************************************************************************/
- static int ConfigureIVTV( access_t * p_access )
- {
- access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
- struct ivtv_ioctl_codec codec;
- int result;
- memset( &codec, 0, sizeof(struct ivtv_ioctl_codec) );
- result = ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec );
- if( result < 0 )
- {
- msg_Err( p_access, "Failed to read current capture card settings." );
- return VLC_EGENERIC;
- }
- 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;
- }
- result = ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec );
- if( result < 0 )
- {
- msg_Err( p_access, "Failed to write new capture card settings." );
- return VLC_EGENERIC;
- }
- msg_Dbg( p_access, "Setting codec parameters to: framerate: "
- "%d, bitrate: %d/%d/%d",
- codec.framerate, codec.bitrate,
- codec.bitrate_peak, codec.bitrate_mode );
- return VLC_SUCCESS;
- }
- #ifdef HAVE_NEW_LINUX_VIDEODEV2_H
- #define MAX_V4L2_CTRLS (6)
- /*****************************************************************************
- * AddV4L2Ctrl: adds a control to the v4l2 controls list
- *****************************************************************************/
- static void AddV4L2Ctrl( access_t * p_access,
- struct v4l2_ext_controls * p_controls,
- uint32_t i_id, uint32_t i_value )
- {
- if( p_controls->count >= MAX_V4L2_CTRLS )
- {
- msg_Err( p_access, "Tried to set too many v4l2 controls at once." );
- return;
- }
- p_controls->controls[p_controls->count].id = i_id;
- p_controls->controls[p_controls->count].value = i_value;
- p_controls->count++;
- }
- /*****************************************************************************
- * V4L2SampleRate: calculate v4l2 sample rate from pvr-audio-bitmask
- *****************************************************************************/
- static uint32_t V4L2SampleRate( uint32_t i_bitmask )
- {
- switch( i_bitmask & 0x0003 )
- {
- case 0x0001: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
- case 0x0002: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000;
- }
- return V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100;
- }
- /*****************************************************************************
- * V4L2AudioEncoding: calculate v4l2 audio encoding level from pvr-audio-bitmask
- *****************************************************************************/
- static uint32_t V4L2AudioEncoding( uint32_t i_bitmask )
- {
- switch( i_bitmask & 0x000c )
- {
- case 0x0004: return V4L2_MPEG_AUDIO_ENCODING_LAYER_1;
- case 0x0008: return V4L2_MPEG_AUDIO_ENCODING_LAYER_2;
- }
- return 0xffffffff;
- }
- /*****************************************************************************
- * V4L2AudioL1Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
- *****************************************************************************/
- static uint32_t V4L2AudioL1Bitrate( uint32_t i_bitmask )
- {
- switch( i_bitmask & 0x00f0 )
- {
- case 0x0010: return V4L2_MPEG_AUDIO_L1_BITRATE_32K;
- case 0x0020: return V4L2_MPEG_AUDIO_L1_BITRATE_64K;
- case 0x0030: return V4L2_MPEG_AUDIO_L1_BITRATE_96K;
- case 0x0040: return V4L2_MPEG_AUDIO_L1_BITRATE_128K;
- case 0x0050: return V4L2_MPEG_AUDIO_L1_BITRATE_160K;
- case 0x0060: return V4L2_MPEG_AUDIO_L1_BITRATE_192K;
- case 0x0070: return V4L2_MPEG_AUDIO_L1_BITRATE_224K;
- case 0x0080: return V4L2_MPEG_AUDIO_L1_BITRATE_256K;
- case 0x0090: return V4L2_MPEG_AUDIO_L1_BITRATE_288K;
- case 0x00a0: return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
- case 0x00b0: return V4L2_MPEG_AUDIO_L1_BITRATE_352K;
- case 0x00c0: return V4L2_MPEG_AUDIO_L1_BITRATE_384K;
- case 0x00d0: return V4L2_MPEG_AUDIO_L1_BITRATE_416K;
- case 0x00e0: return V4L2_MPEG_AUDIO_L1_BITRATE_448K;
- }
- return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
- }
- /*****************************************************************************
- * V4L2AudioL2Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
- *****************************************************************************/
- static uint32_t V4L2AudioL2Bitrate( uint32_t i_bitmask )
- {
- switch( i_bitmask & 0x00f0 )
- {
- case 0x0010: return V4L2_MPEG_AUDIO_L2_BITRATE_32K;
- case 0x0020: return V4L2_MPEG_AUDIO_L2_BITRATE_48K;
- case 0x0030: return V4L2_MPEG_AUDIO_L2_BITRATE_56K;
- case 0x0040: return V4L2_MPEG_AUDIO_L2_BITRATE_64K;
- case 0x0050: return V4L2_MPEG_AUDIO_L2_BITRATE_80K;
- case 0x0060: return V4L2_MPEG_AUDIO_L2_BITRATE_96K;
- case 0x0070: return V4L2_MPEG_AUDIO_L2_BITRATE_112K;
- case 0x0080: return V4L2_MPEG_AUDIO_L2_BITRATE_128K;
- case 0x0090: return V4L2_MPEG_AUDIO_L2_BITRATE_160K;
- case 0x00a0: return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
- case 0x00b0: return V4L2_MPEG_AUDIO_L2_BITRATE_224K;
- case 0x00c0: return V4L2_MPEG_AUDIO_L2_BITRATE_256K;
- case 0x00d0: return V4L2_MPEG_AUDIO_L2_BITRATE_320K;
- case 0x00e0: return V4L2_MPEG_AUDIO_L2_BITRATE_384K;
- }
- return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
- }
- /*****************************************************************************
- * V4L2AudioMode: calculate v4l2 audio mode from pvr-audio-bitmask
- *****************************************************************************/
- static uint32_t V4L2AudioMode( uint32_t i_bitmask )
- {
- switch( i_bitmask & 0x0300 )
- {
- case 0x0100: return V4L2_MPEG_AUDIO_MODE_JOINT_STEREO;
- case 0x0200: return V4L2_MPEG_AUDIO_MODE_DUAL;
- case 0x0300: return V4L2_MPEG_AUDIO_MODE_MONO;
- }
- return V4L2_MPEG_AUDIO_MODE_STEREO;
- }
- /*****************************************************************************
- * ConfigureV4L2: set up codec parameters using the new v4l2 api
- *****************************************************************************/
- static int ConfigureV4L2( access_t * p_access )
- {
- access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
- struct v4l2_ext_controls controls;
- int result;
- memset( &controls, 0, sizeof(struct v4l2_ext_controls) );
- controls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
- controls.error_idx = 0;
- controls.reserved[0] = 0;
- controls.reserved[1] = 0;
- controls.count = 0;
- controls.controls = calloc( MAX_V4L2_CTRLS,
- sizeof( struct v4l2_ext_control ) );
- if( controls.controls == NULL )
- return VLC_ENOMEM;
- /* Note: Ignore frame rate. Doesn't look like it can be changed. */
- if( p_sys->i_bitrate != -1 )
- {
- AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE,
- p_sys->i_bitrate );
- msg_Dbg( p_access, "Setting [%u] bitrate = %u",
- controls.count - 1, p_sys->i_bitrate );
- }
- if( p_sys->i_bitrate_peak != -1 )
- {
- AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
- p_sys->i_bitrate_peak );
- msg_Dbg( p_access, "Setting [%u] bitrate_peak = %u",
- controls.count - 1, p_sys->i_bitrate_peak );
- }
- if( p_sys->i_bitrate_mode != -1 )
- {
- AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
- p_sys->i_bitrate_mode );
- msg_Dbg( p_access, "Setting [%u] bitrate_mode = %u",
- controls.count - 1, p_sys->i_bitrate_mode );
- }
- if( p_sys->i_audio_bitmask != -1 )
- {
- /* Sample rate */
- AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
- V4L2SampleRate( p_sys->i_audio_bitmask ) );
- /* Encoding layer and bitrate */
- switch( V4L2AudioEncoding( p_sys->i_audio_bitmask ) )
- {
- case V4L2_MPEG_AUDIO_ENCODING_LAYER_1:
- AddV4L2Ctrl( p_access, &controls,
- V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_1 );
- AddV4L2Ctrl( p_access, &controls,
- V4L2_CID_MPEG_AUDIO_L1_BITRATE,
- V4L2AudioL1Bitrate( p_sys->i_audio_bitmask ) );
- break;
- case V4L2_MPEG_AUDIO_ENCODING_LAYER_2:
- AddV4L2Ctrl( p_access, &controls,
- V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2 );
- AddV4L2Ctrl( p_access, &controls,
- V4L2_CID_MPEG_AUDIO_L2_BITRATE,
- V4L2AudioL2Bitrate( p_sys->i_audio_bitmask ) );
- break;
- }
- /* Audio mode - stereo or mono */
- AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_AUDIO_MODE,
- V4L2AudioMode( p_sys->i_audio_bitmask ) );
- /* See if the user wants any other audio feature */
- if( ( p_sys->i_audio_bitmask & 0x1ff00 ) != 0 )
- {
- /* It would be possible to support the bits that represent:
- * V4L2_CID_MPEG_AUDIO_MODE_EXTENSION
- * V4L2_CID_MPEG_AUDIO_EMPHASIS
- * V4L2_CID_MPEG_AUDIO_CRC
- * but they are not currently used. Tell the user.
- */
- msg_Err( p_access, "There were bits in pvr-audio-bitmask that were not used.");
- }
- msg_Dbg( p_access, "Setting audio controls");
- }
- if( p_sys->i_keyint != -1 )
- {
- AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
- p_sys->i_keyint );
- msg_Dbg( p_access, "Setting [%u] keyint = %u",
- controls.count - 1, p_sys->i_keyint );
- }
- if( p_sys->i_bframes != -1 )
- {
- AddV4L2Ctrl( p_access, &controls, V4L2_CID_MPEG_VIDEO_B_FRAMES,
- p_sys->i_bframes );
- msg_Dbg( p_access, "Setting [%u] bframes = %u",
- controls.count - 1, p_sys->i_bframes );
- }
- result = ioctl( p_sys->i_fd, VIDIOC_S_EXT_CTRLS, &controls );
- if( result < 0 )
- {
- msg_Err( p_access, "Failed to write %u new capture card settings.",
- controls.error_idx );
- }
- free( controls.controls );
- return VLC_SUCCESS;
- }
- #endif /* HAVE_NEW_LINUX_VIDEODEV2_H */
- /*****************************************************************************
- * 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;
- char * psz_parser;
- struct v4l2_capability device_capability;
- int result;
- memset( &device_capability, 0, sizeof(struct v4l2_capability) );
- access_InitFields( p_access );
- ACCESS_SET_CALLBACKS( Read, NULL, Control, NULL );
- p_sys = p_access->p_sys = calloc( 1, sizeof( access_sys_t ));
- if( !p_sys ) return VLC_ENOMEM;
- /* defaults values */
- var_Create( p_access, "pvr-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- p_sys->psz_videodev = var_CreateGetString( p_access, "pvr-device" );
- p_sys->psz_radiodev = var_CreateGetString( p_access, "pvr-radio-device" );
- p_sys->i_standard = var_CreateGetInteger( p_access, "pvr-norm" );
- p_sys->i_width = var_CreateGetInteger( p_access, "pvr-width" );
- p_sys->i_height = var_CreateGetInteger( p_access, "pvr-height" );
- p_sys->i_frequency = var_CreateGetInteger( p_access, "pvr-frequency" );
- p_sys->i_framerate = var_CreateGetInteger( p_access, "pvr-framerate" );
- p_sys->i_keyint = var_CreateGetInteger( p_access, "pvr-keyint" );
- p_sys->i_bframes = var_CreateGetInteger( p_access, "pvr-bframes" );
- p_sys->i_bitrate = var_CreateGetInteger( p_access, "pvr-bitrate" );
- p_sys->i_bitrate_peak = var_CreateGetInteger( p_access, "pvr-bitrate-peak" );
- p_sys->i_bitrate_mode = var_CreateGetInteger( p_access, "pvr-bitrate-mode" );
- p_sys->i_audio_bitmask = var_CreateGetInteger( p_access, "pvr-audio-bitmask" );
- p_sys->i_volume = var_CreateGetInteger( p_access, "pvr-audio-volume" );
- p_sys->i_input = var_CreateGetInteger( p_access, "pvr-channel" );
- /* parse command line options */
- psz_tofree = strdup( p_access->psz_path );
- if( !psz_tofree )
- {
- free( p_sys->psz_radiodev );
- free( p_sys->psz_videodev );
- free( p_sys );
- return VLC_ENOMEM;
- }
- psz_parser = psz_tofree;
- while( *psz_parser )
- {
- /* Leading slash -> device path */
- if( *psz_parser == '/' )
- {
- free( p_sys->psz_videodev );
- p_sys->psz_videodev = strdup( psz_parser );
- break;
- }
- /* Extract option name */
- const char *optname = psz_parser;
- psz_parser = strchr( psz_parser, '=' );
- if( psz_parser == NULL )
- break;
- *psz_parser++ = ' ';
- /* Extract option value */
- char *optval = psz_parser;
- while( memchr( ":,", *psz_parser, 3 /* includes