+++ /dev/null
-/*****************************************************************************
- * pvr.c
- *****************************************************************************
- * Copyright (C) 2001, 2002 the VideoLAN team
- * $Id$
- *
- * 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 <vlc_fs.h>
-#include <vlc_url.h>
-#include <vlc_network.h>
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <linux/types.h>
-#include <sys/ioctl.h>
-#if defined(HAVE_LINUX_VIDEODEV2_H)
-# include <linux/videodev2.h>
-#elif defined(HAVE_SYS_VIDEOIO_H)
-# include <sys/videoio.h>
-#else
-# error "No Video4Linux2 headers found."
-#endif
-
-/*****************************************************************************
- * 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 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_string( "pvr-device", "/dev/video0", DEVICE_TEXT,
- DEVICE_LONGTEXT, false )
- add_string( "pvr-radio-device", "/dev/radio0", RADIO_DEVICE_TEXT,
- RADIO_DEVICE_LONGTEXT, false )
- add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NORM_TEXT,
- NORM_LONGTEXT, false )
- change_integer_list( i_norm_list, psz_norm_list_text )
- add_integer( "pvr-width", -1, WIDTH_TEXT, WIDTH_LONGTEXT, true )
- add_integer( "pvr-height", -1, HEIGHT_TEXT, HEIGHT_LONGTEXT,
- true )
- add_integer( "pvr-frequency", -1, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
- false )
- add_integer( "pvr-framerate", -1, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
- true )
- add_integer( "pvr-keyint", -1, KEYINT_TEXT, KEYINT_LONGTEXT,
- true )
- add_integer( "pvr-bframes", -1, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
- true )
- add_integer( "pvr-bitrate", -1, BITRATE_TEXT, BITRATE_LONGTEXT,
- false )
- add_integer( "pvr-bitrate-peak", -1, BITRATE_PEAK_TEXT,
- BITRATE_PEAK_LONGTEXT, true )
- add_integer( "pvr-bitrate-mode", -1, BITRATE_MODE_TEXT,
- BITRATE_MODE_LONGTEXT, true )
- change_integer_list( i_bitrates, psz_bitrates_list_text )
- add_integer( "pvr-audio-bitmask", -1, BITMASK_TEXT,
- BITMASK_LONGTEXT, true )
- add_integer( "pvr-audio-volume", -1, VOLUME_TEXT,
- VOLUME_LONGTEXT, true )
- add_integer( "pvr-channel", -1, 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 );
-
-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;
-};
-
-
-#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;
-}
-
-/*****************************************************************************
- * 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 */
- p_sys->psz_videodev = var_InheritString( p_access, "pvr-device" );
- p_sys->psz_radiodev = var_InheritString( p_access, "pvr-radio-device" );
- p_sys->i_standard = var_InheritInteger( p_access, "pvr-norm" );
- p_sys->i_width = var_InheritInteger( p_access, "pvr-width" );
- p_sys->i_height = var_InheritInteger( p_access, "pvr-height" );
- p_sys->i_frequency = var_InheritInteger( p_access, "pvr-frequency" );
- p_sys->i_framerate = var_InheritInteger( p_access, "pvr-framerate" );
- p_sys->i_keyint = var_InheritInteger( p_access, "pvr-keyint" );
- p_sys->i_bframes = var_InheritInteger( p_access, "pvr-bframes" );
- p_sys->i_bitrate = var_InheritInteger( p_access, "pvr-bitrate" );
- p_sys->i_bitrate_peak = var_InheritInteger( p_access, "pvr-bitrate-peak" );
- p_sys->i_bitrate_mode = var_InheritInteger( p_access, "pvr-bitrate-mode" );
- p_sys->i_audio_bitmask = var_InheritInteger( p_access, "pvr-audio-bitmask" );
- p_sys->i_volume = var_InheritInteger( p_access, "pvr-audio-volume" );
- p_sys->i_input = var_InheritInteger( p_access, "pvr-channel" );
-
- /* parse command line options */
- psz_tofree = strdup( p_access->psz_location );
- 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 = decode_URI_duplicate( psz_parser );
- break;
- }
-
- /* Extract option name */
- const char *optname = psz_parser;
- psz_parser = strchr( psz_parser, '=' );
- if( psz_parser == NULL )
- break;
- *psz_parser++ = '\0';
-
- /* Extract option value */
- char *optval = psz_parser;
- while( memchr( ":,", *psz_parser, 3 /* includes \0 */ ) == NULL )
- psz_parser++;
- if( *psz_parser ) /* more options to come */
- *psz_parser++ = '\0'; /* skip , or : */
-
- if ( !strcmp( optname, "norm" ) )
- {
- if ( !strcmp( optval, "secam" ) )
- p_sys->i_standard = V4L2_STD_SECAM;
- else if ( !strcmp( optval, "pal" ) )
- p_sys->i_standard = V4L2_STD_PAL;
- else if ( !strcmp( optval, "ntsc" ) )
- p_sys->i_standard = V4L2_STD_NTSC;
- else
- p_sys->i_standard = atoi( optval );
- }
- else if( !strcmp( optname, "channel" ) )
- p_sys->i_input = atoi( optval );
- else if( !strcmp( optname, "device" ) )
- {
- free( p_sys->psz_videodev );
- if( asprintf( &p_sys->psz_videodev, "/dev/video%s", optval ) == -1)
- p_sys->psz_videodev = NULL;
- }
- else if( !strcmp( optname, "frequency" ) )
- p_sys->i_frequency = atoi( optval );
- else if( !strcmp( optname, "framerate" ) )
- p_sys->i_framerate = atoi( optval );
- else if( !strcmp( optname, "keyint" ) )
- p_sys->i_keyint = atoi( optval );
- else if( !strcmp( optname, "bframes" ) )
- p_sys->i_bframes = atoi( optval );
- else if( !strcmp( optname, "width" ) )
- p_sys->i_width = atoi( optval );
- else if( !strcmp( optname, "height" ) )
- p_sys->i_height = atoi( optval );
- else if( !strcmp( optname, "audio" ) )
- p_sys->i_audio_bitmask = atoi( optval );
- else if( !strcmp( optname, "bitrate" ) )
- p_sys->i_bitrate = atoi( optval );
- else if( !strcmp( optname, "maxbitrate" ) )
- p_sys->i_bitrate_peak = atoi( optval );
- else if( !strcmp( optname, "bitratemode" ) )
- {
- if( !strcmp( optval, "vbr" ) )
- p_sys->i_bitrate_mode = 0;
- else if( !strcmp( optval, "cbr" ) )
- p_sys->i_bitrate_mode = 1;
- }
- else if( !strcmp( optname, "size" ) )
- {
- p_sys->i_width = strtol( optval, &optval, 0 );
- p_sys->i_height = atoi( optval );
- }
- }
- free( psz_tofree );
-
- /* open the device */
- p_sys->i_fd = vlc_open( p_sys->psz_videodev, O_RDWR );
- if( p_sys->i_fd < 0 )
- {
- msg_Err( p_access, "Cannot open device %s (%m).",
- p_sys->psz_videodev );
- Close( VLC_OBJECT(p_access) );
- return VLC_EGENERIC;
- }
- msg_Dbg( p_access, "Using video device: %s.", p_sys->psz_videodev);
-
- /* See what version of ivtvdriver is running */
- result = ioctl( p_sys->i_fd, VIDIOC_QUERYCAP, &device_capability );
- if( result < 0 )
- {
- msg_Err( p_access, "unknown ivtv/pvr driver version in use" );
- Close( VLC_OBJECT(p_access) );
- return VLC_EGENERIC;
- }
-
- msg_Dbg( p_access, "%s driver (%s on %s) version %02x.%02x.%02x",
- device_capability.driver,
- device_capability.card,
- device_capability.bus_info,
- ( device_capability.version >> 16 ) & 0xff,
- ( device_capability.version >> 8 ) & 0xff,
- ( device_capability.version ) & 0xff);
-
- /* set the input */
- if ( p_sys->i_input != -1 )
- {
- result = ioctl( p_sys->i_fd, VIDIOC_S_INPUT, &p_sys->i_input );
- if ( result < 0 )
- msg_Warn( p_access, "Failed to select the requested input pin." );
- 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 )
- {
- result = ioctl( p_sys->i_fd, VIDIOC_S_STD, &p_sys->i_standard );
- if ( result < 0 )
- msg_Warn( p_access, "Failed to set the requested video standard." );
- 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) )
- {
- struct v4l2_format vfmt;
-
- memset( &vfmt, 0, sizeof(struct v4l2_format) );
- vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
- result = ioctl( p_sys->i_fd, VIDIOC_G_FMT, &vfmt );
- if ( result < 0 )
- {
- msg_Warn( p_access, "Failed to read current picture size." );
- }
- 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;
- }
-
- result = ioctl( p_sys->i_fd, VIDIOC_S_FMT, &vfmt );
- if ( result < 0 )
- {
- msg_Warn( p_access, "Failed to set requested picture size." );
- }
- 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 )
- {
- int i_fd;
- struct v4l2_tuner vt;
-
- /* TODO: let the user choose the tuner */
- memset( &vt, 0, sizeof(struct v4l2_tuner) );
-
- if ( (p_sys->i_frequency >= pi_radio_range[0])
- && (p_sys->i_frequency <= pi_radio_range[1]) )
- {
- p_sys->i_radio_fd = vlc_open( p_sys->psz_radiodev, O_RDWR );
- if( p_sys->i_radio_fd < 0 )
- {
- msg_Err( p_access, "Cannot open radio device (%m)." );
- Close( VLC_OBJECT(p_access) );
- return VLC_EGENERIC;
- }
- msg_Dbg( p_access, "using radio device: %s",
- p_sys->psz_radiodev );
- i_fd = p_sys->i_radio_fd;
- }
- else
- {
- i_fd = p_sys->i_fd;
- p_sys->i_radio_fd = -1;
- }
-
- result = ioctl( i_fd, VIDIOC_G_TUNER, &vt );
- if ( result < 0 )
- {
- msg_Warn( p_access, "Failed to read tuner information (%m)." );
- }
- else
- {
- struct v4l2_frequency vf;
-
- memset( &vf, 0, sizeof(struct v4l2_frequency) );
- vf.tuner = vt.index;
-
- result = ioctl( i_fd, VIDIOC_G_FREQUENCY, &vf );
- if ( result < 0 )
- {
- msg_Warn( p_access, "Failed to read tuner frequency (%m)." );
- }
- else
- {
- if( vt.capability & V4L2_TUNER_CAP_LOW )
- vf.frequency = p_sys->i_frequency * 16;
- else
- vf.frequency = (p_sys->i_frequency * 16 + 500) / 1000;
-
- result = ioctl( i_fd, VIDIOC_S_FREQUENCY, &vf );
- if( result < 0 )
- {
- msg_Warn( p_access, "Failed to set tuner frequency (%m)." );
- }
- else
- {
- msg_Dbg( p_access, "tuner frequency set to: %d",
- p_sys->i_frequency );
- }
- }
- }
- }
-
- /* control parameters */
- if ( p_sys->i_volume != -1 )
- {
- struct v4l2_control ctrl;
-
- memset( &ctrl, 0, sizeof(struct v4l2_control) );
- ctrl.id = V4L2_CID_AUDIO_VOLUME;
- ctrl.value = p_sys->i_volume;
-
- result = ioctl( p_sys->i_fd, VIDIOC_S_CTRL, &ctrl );
- if ( result < 0 )
- {
- msg_Warn( p_access, "Failed to set the volume." );
- }
- }
-
- /* 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) )
- {
- result = ConfigureV4L2( p_access );
- if( result != VLC_SUCCESS )
- {
- Close( VLC_OBJECT(p_access) );
- return result;
- }
- }
-
- 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 = (access_sys_t *) p_access->p_sys;
-
- if ( p_sys->i_fd != -1 )
- close( p_sys->i_fd );
- if ( p_sys->i_radio_fd != -1 )
- close( p_sys->i_radio_fd );
- free( p_sys->psz_videodev );
- free( p_sys->psz_radiodev );
- free( p_sys );
-}
-
-/*****************************************************************************
- * Read
- *****************************************************************************/
-static ssize_t Read( access_t * p_access, uint8_t * p_buffer, size_t i_len )
-{
- access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
- ssize_t i_ret;
-
- if( p_access->info.b_eof )
- return 0;
-
- i_ret = net_Read( p_access, p_sys->i_fd, NULL, p_buffer, i_len, false );
- if( i_ret == 0 )
- {
- p_access->info.b_eof = 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 )
-{
- bool *pb_bool;
- int64_t *pi_64;
-
- switch( i_query )
- {
- /* */
- case ACCESS_CAN_SEEK:
- case ACCESS_CAN_FASTSEEK:
- pb_bool = (bool*)va_arg( args, bool* );
- *pb_bool = false;
- break;
- case ACCESS_CAN_PAUSE:
- pb_bool = (bool*)va_arg( args, bool* );
- *pb_bool = false;
- break;
- case ACCESS_CAN_CONTROL_PACE:
- pb_bool = (bool*)va_arg( args, bool* );
- *pb_bool = false;
- break;
-
- /* */
- case ACCESS_GET_PTS_DELAY:
- pi_64 = (int64_t*)va_arg( args, int64_t * );
- *pi_64 = INT64_C(1000)
- * var_InheritInteger( p_access, "live-caching" );
- 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:
- case ACCESS_GET_CONTENT_TYPE:
- return VLC_EGENERIC;
-
- default:
- msg_Warn( p_access, "Unimplemented query in control." );
- return VLC_EGENERIC;
-
- }
- return VLC_SUCCESS;
-}
projects / vlc / commitdiff