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964 lines
32 KiB
964 lines
32 KiB
/*****************************************************************************
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* pvr.c
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*****************************************************************************
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* Copyright (C) 2001, 2002 the VideoLAN team
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* $Id$
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*
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* Authors: Eric Petit <titer@videolan.org>
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* Paul Corke <paulc@datatote.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_access.h>
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#include <vlc_fs.h>
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#include <vlc_url.h>
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#include <vlc_network.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <linux/types.h>
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#include <sys/ioctl.h>
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#if defined(HAVE_LINUX_VIDEODEV2_H)
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# include <linux/videodev2.h>
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#elif defined(HAVE_SYS_VIDEOIO_H)
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# include <sys/videoio.h>
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#else
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# error "No Video4Linux2 headers found."
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#endif
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close( vlc_object_t * );
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#define CACHING_TEXT N_("Caching value in ms")
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#define CACHING_LONGTEXT N_( \
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"Default caching value for PVR streams. This " \
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"value should be set in milliseconds." )
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#define DEVICE_TEXT N_( "Device" )
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#define DEVICE_LONGTEXT N_( "PVR video device" )
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#define RADIO_DEVICE_TEXT N_( "Radio device" )
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#define RADIO_DEVICE_LONGTEXT N_( "PVR radio device" )
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#define NORM_TEXT N_( "Norm" )
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#define NORM_LONGTEXT N_( "Norm of the stream " \
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"(Automatic, SECAM, PAL, or NTSC)." )
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#define WIDTH_TEXT N_( "Width" )
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#define WIDTH_LONGTEXT N_( "Width of the stream to capture " \
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"(-1 for autodetection)." )
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#define HEIGHT_TEXT N_( "Height" )
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#define HEIGHT_LONGTEXT N_( "Height of the stream to capture " \
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"(-1 for autodetection)." )
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#define FREQUENCY_TEXT N_( "Frequency" )
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#define FREQUENCY_LONGTEXT N_( "Frequency to capture (in kHz), if applicable." )
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#define FRAMERATE_TEXT N_( "Framerate" )
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#define FRAMERATE_LONGTEXT N_( "Framerate to capture, if applicable " \
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"(-1 for autodetect)." )
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#define KEYINT_TEXT N_( "Key interval" )
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#define KEYINT_LONGTEXT N_( "Interval between keyframes (-1 for autodetect)." )
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#define BFRAMES_TEXT N_( "B Frames" )
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#define BFRAMES_LONGTEXT N_("If this option is set, B-Frames will be used. " \
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"Use this option to set the number of B-Frames.")
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#define BITRATE_TEXT N_( "Bitrate" )
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#define BITRATE_LONGTEXT N_( "Bitrate to use (-1 for default)." )
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#define BITRATE_PEAK_TEXT N_( "Bitrate peak" )
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#define BITRATE_PEAK_LONGTEXT N_( "Peak bitrate in VBR mode." )
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#define BITRATE_MODE_TEXT N_( "Bitrate mode" )
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#define BITRATE_MODE_LONGTEXT N_( "Bitrate mode to use (VBR or CBR)." )
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#define BITMASK_TEXT N_( "Audio bitmask" )
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#define BITMASK_LONGTEXT N_("Bitmask that will "\
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"get used by the audio part of the card." )
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#define VOLUME_TEXT N_( "Volume" )
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#define VOLUME_LONGTEXT N_("Audio volume (0-65535)." )
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#define CHAN_TEXT N_( "Channel" )
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#define CHAN_LONGTEXT N_( "Channel of the card to use (Usually, 0 = tuner, " \
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"1 = composite, 2 = svideo)" )
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static const int i_norm_list[] =
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{ V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC };
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static const char *const psz_norm_list_text[] =
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{ N_("Automatic"), N_("SECAM"), N_("PAL"), N_("NTSC") };
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static const int i_bitrates[] = { 0, 1 };
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static const char *const psz_bitrates_list_text[] = { N_("vbr"), N_("cbr") };
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static const int pi_radio_range[2] = { 65000, 108000 };
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vlc_module_begin ()
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set_shortname( N_("PVR") )
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set_description( N_("IVTV MPEG Encoding cards input") )
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set_category( CAT_INPUT )
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set_subcategory( SUBCAT_INPUT_ACCESS )
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set_capability( "access", 0 )
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add_shortcut( "pvr" )
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add_integer( "pvr-caching", DEFAULT_PTS_DELAY / 1000, CACHING_TEXT,
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CACHING_LONGTEXT, true )
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add_string( "pvr-device", "/dev/video0", DEVICE_TEXT,
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DEVICE_LONGTEXT, false )
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add_string( "pvr-radio-device", "/dev/radio0", RADIO_DEVICE_TEXT,
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RADIO_DEVICE_LONGTEXT, false )
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add_integer( "pvr-norm", V4L2_STD_UNKNOWN , NORM_TEXT,
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NORM_LONGTEXT, false )
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change_integer_list( i_norm_list, psz_norm_list_text )
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add_integer( "pvr-width", -1, WIDTH_TEXT, WIDTH_LONGTEXT, true )
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add_integer( "pvr-height", -1, HEIGHT_TEXT, HEIGHT_LONGTEXT,
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true )
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add_integer( "pvr-frequency", -1, FREQUENCY_TEXT, FREQUENCY_LONGTEXT,
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false )
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add_integer( "pvr-framerate", -1, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
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true )
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add_integer( "pvr-keyint", -1, KEYINT_TEXT, KEYINT_LONGTEXT,
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true )
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add_integer( "pvr-bframes", -1, FRAMERATE_TEXT, FRAMERATE_LONGTEXT,
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true )
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add_integer( "pvr-bitrate", -1, BITRATE_TEXT, BITRATE_LONGTEXT,
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false )
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add_integer( "pvr-bitrate-peak", -1, BITRATE_PEAK_TEXT,
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BITRATE_PEAK_LONGTEXT, true )
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add_integer( "pvr-bitrate-mode", -1, BITRATE_MODE_TEXT,
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BITRATE_MODE_LONGTEXT, true )
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change_integer_list( i_bitrates, psz_bitrates_list_text )
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add_integer( "pvr-audio-bitmask", -1, BITMASK_TEXT,
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BITMASK_LONGTEXT, true )
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add_integer( "pvr-audio-volume", -1, VOLUME_TEXT,
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VOLUME_LONGTEXT, true )
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add_integer( "pvr-channel", -1, CHAN_TEXT, CHAN_LONGTEXT, true )
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set_callbacks( Open, Close )
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vlc_module_end ()
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/*****************************************************************************
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* Prototypes
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*****************************************************************************/
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static ssize_t Read ( access_t *, uint8_t *, size_t );
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static int Control( access_t *, int, va_list );
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/* ivtv specific ioctls */
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#define IVTV_IOC_G_CODEC 0xFFEE7703
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#define IVTV_IOC_S_CODEC 0xFFEE7704
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/* for use with IVTV_IOC_G_CODEC and IVTV_IOC_S_CODEC */
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struct ivtv_ioctl_codec {
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uint32_t aspect;
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uint32_t audio_bitmask;
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uint32_t bframes;
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uint32_t bitrate_mode;
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uint32_t bitrate;
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uint32_t bitrate_peak;
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uint32_t dnr_mode;
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uint32_t dnr_spatial;
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uint32_t dnr_temporal;
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uint32_t dnr_type;
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uint32_t framerate;
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uint32_t framespergop;
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uint32_t gop_closure;
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uint32_t pulldown;
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uint32_t stream_type;
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};
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struct access_sys_t
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{
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/* file descriptor */
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int i_fd;
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int i_radio_fd;
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char *psz_videodev;
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char *psz_radiodev;
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/* options */
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int i_standard;
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int i_width;
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int i_height;
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int i_frequency;
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int i_framerate;
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int i_keyint;
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int i_bframes;
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int i_bitrate;
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int i_bitrate_peak;
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int i_bitrate_mode;
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int i_audio_bitmask;
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int i_input;
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int i_volume;
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/* driver version */
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bool b_v4l2_api;
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};
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/*****************************************************************************
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* ConfigureIVTV: set up codec parameters using the old ivtv api
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*****************************************************************************/
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static int ConfigureIVTV( access_t * p_access )
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{
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access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
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struct ivtv_ioctl_codec codec;
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int result;
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memset( &codec, 0, sizeof(struct ivtv_ioctl_codec) );
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result = ioctl( p_sys->i_fd, IVTV_IOC_G_CODEC, &codec );
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if( result < 0 )
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{
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msg_Err( p_access, "Failed to read current capture card settings." );
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return VLC_EGENERIC;
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}
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if( p_sys->i_framerate != -1 )
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{
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switch( p_sys->i_framerate )
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{
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case 30:
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codec.framerate = 0;
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break;
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case 25:
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codec.framerate = 1;
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break;
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default:
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msg_Warn( p_access, "Invalid framerate, reverting to 25." );
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codec.framerate = 1;
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break;
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}
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}
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if( p_sys->i_bitrate != -1 )
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{
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codec.bitrate = p_sys->i_bitrate;
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}
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if( p_sys->i_bitrate_peak != -1 )
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{
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codec.bitrate_peak = p_sys->i_bitrate_peak;
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}
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if( p_sys->i_bitrate_mode != -1 )
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{
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codec.bitrate_mode = p_sys->i_bitrate_mode;
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}
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if( p_sys->i_audio_bitmask != -1 )
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{
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codec.audio_bitmask = p_sys->i_audio_bitmask;
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}
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if( p_sys->i_keyint != -1 )
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{
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codec.framespergop = p_sys->i_keyint;
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}
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if( p_sys->i_bframes != -1 )
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{
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codec.bframes = p_sys->i_bframes;
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}
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result = ioctl( p_sys->i_fd, IVTV_IOC_S_CODEC, &codec );
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if( result < 0 )
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{
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msg_Err( p_access, "Failed to write new capture card settings." );
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return VLC_EGENERIC;
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}
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msg_Dbg( p_access, "Setting codec parameters to: framerate: "
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"%d, bitrate: %d/%d/%d",
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codec.framerate, codec.bitrate,
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codec.bitrate_peak, codec.bitrate_mode );
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return VLC_SUCCESS;
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}
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#define MAX_V4L2_CTRLS (6)
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/*****************************************************************************
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* AddV4L2Ctrl: adds a control to the v4l2 controls list
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*****************************************************************************/
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static void AddV4L2Ctrl( access_t * p_access,
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struct v4l2_ext_controls * p_controls,
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uint32_t i_id, uint32_t i_value )
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{
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if( p_controls->count >= MAX_V4L2_CTRLS )
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{
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msg_Err( p_access, "Tried to set too many v4l2 controls at once." );
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return;
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}
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p_controls->controls[p_controls->count].id = i_id;
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p_controls->controls[p_controls->count].value = i_value;
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p_controls->count++;
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}
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/*****************************************************************************
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* V4L2SampleRate: calculate v4l2 sample rate from pvr-audio-bitmask
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*****************************************************************************/
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static uint32_t V4L2SampleRate( uint32_t i_bitmask )
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{
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switch( i_bitmask & 0x0003 )
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{
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case 0x0001: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
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case 0x0002: return V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000;
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}
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return V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100;
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}
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/*****************************************************************************
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* V4L2AudioEncoding: calculate v4l2 audio encoding level from pvr-audio-bitmask
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*****************************************************************************/
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static uint32_t V4L2AudioEncoding( uint32_t i_bitmask )
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{
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switch( i_bitmask & 0x000c )
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{
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case 0x0004: return V4L2_MPEG_AUDIO_ENCODING_LAYER_1;
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case 0x0008: return V4L2_MPEG_AUDIO_ENCODING_LAYER_2;
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}
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return 0xffffffff;
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}
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/*****************************************************************************
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* V4L2AudioL1Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
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*****************************************************************************/
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static uint32_t V4L2AudioL1Bitrate( uint32_t i_bitmask )
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{
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switch( i_bitmask & 0x00f0 )
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{
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case 0x0010: return V4L2_MPEG_AUDIO_L1_BITRATE_32K;
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case 0x0020: return V4L2_MPEG_AUDIO_L1_BITRATE_64K;
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case 0x0030: return V4L2_MPEG_AUDIO_L1_BITRATE_96K;
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case 0x0040: return V4L2_MPEG_AUDIO_L1_BITRATE_128K;
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case 0x0050: return V4L2_MPEG_AUDIO_L1_BITRATE_160K;
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case 0x0060: return V4L2_MPEG_AUDIO_L1_BITRATE_192K;
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case 0x0070: return V4L2_MPEG_AUDIO_L1_BITRATE_224K;
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case 0x0080: return V4L2_MPEG_AUDIO_L1_BITRATE_256K;
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case 0x0090: return V4L2_MPEG_AUDIO_L1_BITRATE_288K;
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case 0x00a0: return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
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case 0x00b0: return V4L2_MPEG_AUDIO_L1_BITRATE_352K;
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case 0x00c0: return V4L2_MPEG_AUDIO_L1_BITRATE_384K;
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case 0x00d0: return V4L2_MPEG_AUDIO_L1_BITRATE_416K;
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case 0x00e0: return V4L2_MPEG_AUDIO_L1_BITRATE_448K;
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}
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return V4L2_MPEG_AUDIO_L1_BITRATE_320K;
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}
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|
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/*****************************************************************************
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* V4L2AudioL2Bitrate: calculate v4l2 audio bitrate for layer-1 audio from pvr-audio-bitmask
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*****************************************************************************/
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static uint32_t V4L2AudioL2Bitrate( uint32_t i_bitmask )
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{
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switch( i_bitmask & 0x00f0 )
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{
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case 0x0010: return V4L2_MPEG_AUDIO_L2_BITRATE_32K;
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case 0x0020: return V4L2_MPEG_AUDIO_L2_BITRATE_48K;
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case 0x0030: return V4L2_MPEG_AUDIO_L2_BITRATE_56K;
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case 0x0040: return V4L2_MPEG_AUDIO_L2_BITRATE_64K;
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case 0x0050: return V4L2_MPEG_AUDIO_L2_BITRATE_80K;
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case 0x0060: return V4L2_MPEG_AUDIO_L2_BITRATE_96K;
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case 0x0070: return V4L2_MPEG_AUDIO_L2_BITRATE_112K;
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case 0x0080: return V4L2_MPEG_AUDIO_L2_BITRATE_128K;
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case 0x0090: return V4L2_MPEG_AUDIO_L2_BITRATE_160K;
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case 0x00a0: return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
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case 0x00b0: return V4L2_MPEG_AUDIO_L2_BITRATE_224K;
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case 0x00c0: return V4L2_MPEG_AUDIO_L2_BITRATE_256K;
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case 0x00d0: return V4L2_MPEG_AUDIO_L2_BITRATE_320K;
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case 0x00e0: return V4L2_MPEG_AUDIO_L2_BITRATE_384K;
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}
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return V4L2_MPEG_AUDIO_L2_BITRATE_192K;
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}
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|
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/*****************************************************************************
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* V4L2AudioMode: calculate v4l2 audio mode from pvr-audio-bitmask
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|
*****************************************************************************/
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static uint32_t V4L2AudioMode( uint32_t i_bitmask )
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{
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switch( i_bitmask & 0x0300 )
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{
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case 0x0100: return V4L2_MPEG_AUDIO_MODE_JOINT_STEREO;
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case 0x0200: return V4L2_MPEG_AUDIO_MODE_DUAL;
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case 0x0300: return V4L2_MPEG_AUDIO_MODE_MONO;
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}
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return V4L2_MPEG_AUDIO_MODE_STEREO;
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}
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|
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/*****************************************************************************
|
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* ConfigureV4L2: set up codec parameters using the new v4l2 api
|
|
*****************************************************************************/
|
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static int ConfigureV4L2( access_t * p_access )
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{
|
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access_sys_t *p_sys = (access_sys_t *) p_access->p_sys;
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struct v4l2_ext_controls controls;
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int result;
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memset( &controls, 0, sizeof(struct v4l2_ext_controls) );
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controls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
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controls.error_idx = 0;
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controls.reserved[0] = 0;
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controls.reserved[1] = 0;
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controls.count = 0;
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controls.controls = calloc( MAX_V4L2_CTRLS,
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sizeof( struct v4l2_ext_control ) );
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|
|
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if( controls.controls == NULL )
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return VLC_ENOMEM;
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|
|
|
/* Note: Ignore frame rate. Doesn't look like it can be changed. */
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if( p_sys->i_bitrate != -1 )
|
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{
|
|
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 */
|
|
var_Create( p_access, "pvr-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
|
|
|
|
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);
|
|
|
|
if ( strncmp( (char *) device_capability.driver, "ivtv", 4 )
|
|
|| device_capability.version >= 0x000800 )
|
|
{
|
|
/* Drivers > 0.8.0 use v4l2 API instead of IVTV ioctls */
|
|
msg_Dbg( p_access, "this driver uses the v4l2 API" );
|
|
p_sys->b_v4l2_api = true;
|
|
}
|
|
else
|
|
{
|
|
p_sys->b_v4l2_api = false;
|
|
}
|
|
|
|
/* 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) )
|
|
{
|
|
if( p_sys->b_v4l2_api )
|
|
{
|
|
result = ConfigureV4L2( p_access );
|
|
if( result != VLC_SUCCESS )
|
|
{
|
|
Close( VLC_OBJECT(p_access) );
|
|
return result;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result = ConfigureIVTV( 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 = var_GetInteger( p_access, "pvr-caching" ) * 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:
|
|
case ACCESS_GET_CONTENT_TYPE:
|
|
return VLC_EGENERIC;
|
|
|
|
default:
|
|
msg_Warn( p_access, "Unimplemented query in control." );
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
return VLC_SUCCESS;
|
|
}
|
|
|