Commit 8c1b6050 authored by Laurent Aimar's avatar Laurent Aimar

* v4l: updated, now it should grab (and compress if you want) the video.

Audio grabbing part is commented out and untested.
 The syntax is like that:
  v4l:<device>[:option=value:...]
 options: channel,norm (pal, ntsc,secam), frequency (not really there is
          a factor), audio, size (WxH or subqcif,qsif,qcif,sif,cif,vga),
          codec (optional, mpeg1 or mpeg4 and need to have compiled the
          encoders modules)
 ex: v4l:/dev/video:channel=0:frequency=8052:norm=secam:size=vga
 Please test.
 * rawvideo.c: a pseudo decoder for raw video (I420).
 * packetizer/*, mux/*, stream_output.c: fixed (I hope) audio/video
synchro problems.
parent f3dd07bb
......@@ -819,6 +819,7 @@ PLUGINS="${PLUGINS} aout_file"
#PLUGINS="${PLUGINS} scope"
PLUGINS="${PLUGINS} i420_rgb i420_yuy2 i422_yuy2 i420_ymga"
PLUGINS="${PLUGINS} id3 m3u"
PLUGINS="${PLUGINS} rawvideo"
PLUGINS="${PLUGINS} wav araw demuxdump demuxsub adpcm a52sys au"
PLUGINS="${PLUGINS} access_file access_udp access_http ipv4 access_mms"
PLUGINS="${PLUGINS} access_ftp access_directory sap httpd"
......
......@@ -2,7 +2,7 @@
* v4l.c : Video4Linux input module for vlc
*****************************************************************************
* Copyright (C) 2002 VideoLAN
* $Id: v4l.c,v 1.4 2003/03/30 18:14:36 gbazin Exp $
* $Id: v4l.c,v 1.5 2003/03/31 03:46:11 fenrir Exp $
*
* Author: Samuel Hocevar <sam@zoy.org>
*
......@@ -10,7 +10,7 @@
* 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
......@@ -24,43 +24,745 @@
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc/vout.h>
#include <codecs.h>
#include "encoder.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/videodev.h>
/* enable audio grabbing */
#undef _V4L_AUDIO_
#ifdef _V4L_AUDIO_
#include <sys/soundcard.h>
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int V4lOpen ( vlc_object_t * );
static void V4lClose ( vlc_object_t * );
static int V4lRead ( input_thread_t *, byte_t *, size_t );
static int AccessOpen ( vlc_object_t * );
static void AccessClose ( vlc_object_t * );
static int Read ( input_thread_t *, byte_t *, size_t );
static int DemuxOpen ( vlc_object_t * );
static void DemuxClose ( vlc_object_t * );
static int Demux ( input_thread_t * );
/*****************************************************************************
* Module descriptior
*****************************************************************************/
#define CACHING_TEXT N_("caching value in ms")
#define CACHING_LONGTEXT N_( \
"Allows you to modify the default caching value for v4l streams. This " \
"value should be set in miliseconds units." )
vlc_module_begin();
set_description( _("Video4Linux input") );
set_capability( "access", 80 );
set_callbacks( V4lOpen, V4lClose );
add_category_hint( N_("v4l"), NULL, VLC_TRUE );
add_integer( "v4l-caching", DEFAULT_PTS_DELAY / 1000, NULL,
CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
add_submodule();
add_shortcut( "v4l" );
set_capability( "access", 0 );
set_callbacks( AccessOpen, AccessClose );
add_submodule();
add_shortcut( "v4l" );
set_capability( "demux", 200 );
set_callbacks( DemuxOpen, DemuxClose );
vlc_module_end();
static int i_fd;
/****************************************************************************
* I. Access Part
****************************************************************************/
struct access_sys_t
{
char *psz_video_device;
int fd;
vlc_fourcc_t i_codec; // if i_codec != i_chroma then we need a compressor
video_encoder_t *p_encoder;
picture_t pic;
int i_channel;
int i_audio;
int i_norm;
int i_tuner;
int i_frequency;
int i_chroma;
int i_width;
int i_height;
struct video_capability vid_cap;
struct video_mbuf vid_mbuf;
uint8_t *p_video_mmap;
int i_frame_pos;
struct video_mmap vid_mmap;
uint8_t *p_video_frame;
int i_video_frame_size;
int i_video_frame_size_allocated;
#ifdef _V4L_AUDIO_
char *psz_adev;
int fd_audio;
vlc_fourcc_t i_acodec_raw;
int i_sample_rate;
vlc_bool_t b_stereo;
uint8_t *p_audio_frame;
int i_audio_frame_size;
int i_audio_frame_size_allocated;
#endif
/* header */
int i_header_size;
int i_header_pos;
uint8_t *p_header; // at lest 8 bytes allocated
/* data */
int i_data_size;
int i_data_pos;
uint8_t *p_data; // never allocated
};
/*
* header:
* fcc ".v4l"
* u32 stream count
* fcc "auds"|"vids" 0
* fcc codec 4
* if vids
* u32 width 8
* u32 height 12
* u32 padding 16
* if auds
* u32 channels 12
* u32 samplerate 8
* u32 samplesize 16
*
* data:
* u32 stream number
* u32 data size
* u8 data
*/
static void SetDWBE( uint8_t *p, uint32_t dw )
{
p[0] = (dw >> 24)&0xff;
p[1] = (dw >> 16)&0xff;
p[2] = (dw >> 8)&0xff;
p[3] = (dw )&0xff;
}
static uint32_t GetDWBE( uint8_t *p_buff )
{
return( ( p_buff[0] << 24 ) + ( p_buff[1] << 16 ) +
( p_buff[2] << 8 ) + p_buff[3] );
}
/*****************************************************************************
* V4lOpen: open device
* Open: open device:
*****************************************************************************
*
* url: <video device>::::
*
*****************************************************************************/
static int V4lOpen( vlc_object_t *p_this )
{
input_thread_t * p_input = (input_thread_t *)p_this;
static int AccessOpen( vlc_object_t *p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
access_sys_t *p_sys;
char *psz_dup, *psz_parser;
struct video_channel vid_channel;
/* create access private data */
p_sys = malloc( sizeof( access_sys_t ) );
memset( p_sys, 0, sizeof( access_sys_t ) );
p_sys->psz_video_device = NULL;
p_sys->fd = -1;
p_sys->i_channel = -1;
p_sys->i_audio = -1;
p_sys->i_norm = VIDEO_MODE_AUTO; // auto
p_sys->i_tuner = -1;
p_sys->i_frequency = -1;
p_sys->i_width = 0;
p_sys->i_height = 0;
p_sys->i_frame_pos = 0;
p_sys->i_codec = VLC_FOURCC( 0, 0, 0, 0 );
p_sys->i_video_frame_size_allocated = 0;
#ifdef _V4L_AUDIO_
p_sys->psz_adev = NULL;
p_sys->fd_audio = -1;
p_sys->i_sample_rate = 44100;
p_sys->b_stereo = VLC_TRUE;
#endif
p_sys->i_data_size = 0;
p_sys->i_data_pos = 0;
p_sys->p_data = NULL;
/* parse url and open device(s) */
psz_dup = strdup( p_input->psz_name );
psz_parser = psz_dup;
while( *psz_parser && *psz_parser != ':' )
{
psz_parser++;
}
if( *psz_parser == ':' )
{
/* read options */
for( ;; )
{
*psz_parser++ = '\0';
if( !strncmp( psz_parser, "channel=", strlen( "channel=" ) ) )
{
p_sys->i_channel =
strtol( psz_parser + strlen( "channel=" ), &psz_parser, 0 );
}
else if( !strncmp( psz_parser, "norm=", strlen( "norm=" ) ) )
{
psz_parser += strlen( "norm=" );
if( !strncmp( psz_parser, "pal", strlen( "pal" ) ) )
{
p_sys->i_norm = VIDEO_MODE_PAL;
psz_parser += strlen( "pal" );
}
else if( !strncmp( psz_parser, "ntsc", strlen( "ntsc" ) ) )
{
p_sys->i_norm = VIDEO_MODE_NTSC;
psz_parser += strlen( "ntsc" );
}
else if( !strncmp( psz_parser, "secam", strlen( "secam" ) ) )
{
p_sys->i_norm = VIDEO_MODE_SECAM;
psz_parser += strlen( "secam" );
}
else if( !strncmp( psz_parser, "auto", strlen( "auto" ) ) )
{
p_sys->i_norm = VIDEO_MODE_AUTO;
psz_parser += strlen( "auto" );
}
else
{
p_sys->i_norm = strtol( psz_parser, &psz_parser, 0 );
}
}
else if( !strncmp( psz_parser, "frequency=", strlen( "frequency=" ) ) )
{
p_sys->i_frequency =
strtol( psz_parser + strlen( "frequency=" ), &psz_parser, 0 );
}
else if( !strncmp( psz_parser, "audio=", strlen( "audio=" ) ) )
{
p_sys->i_audio = strtol( psz_parser + strlen( "audio=" ), &psz_parser, 0 );
}
else if( !strncmp( psz_parser, "size=", strlen( "size=" ) ) )
{
psz_parser += strlen( "size=" );
if( !strncmp( psz_parser, "subqcif", strlen( "subqcif" ) ) )
{
p_sys->i_width = 128;
p_sys->i_height = 96;
}
else if( !strncmp( psz_parser, "qsif", strlen( "qsif" ) ) )
{
p_sys->i_width = 160;
p_sys->i_height = 120;
}
else if( !strncmp( psz_parser, "qcif", strlen( "qcif" ) ) )
{
p_sys->i_width = 176;
p_sys->i_height = 144;
}
else if( !strncmp( psz_parser, "sif", strlen( "sif" ) ) )
{
p_sys->i_width = 320;
p_sys->i_height = 244;
}
else if( !strncmp( psz_parser, "cif", strlen( "cif" ) ) )
{
p_sys->i_width = 352;
p_sys->i_height = 288;
}
else if( !strncmp( psz_parser, "vga", strlen( "vga" ) ) )
{
p_sys->i_width = 640;
p_sys->i_height = 480;
}
else
{
/* widthxheight */
p_sys->i_width = strtol( psz_parser, &psz_parser, 0 );
if( *psz_parser == 'x' || *psz_parser == 'X')
{
p_sys->i_height = strtol( psz_parser + 1, &psz_parser, 0 );
}
msg_Dbg( p_input, "WxH %dx%d", p_sys->i_width, p_sys->i_height );
}
}
else if( !strncmp( psz_parser, "tuner=", strlen( "tuner=" ) ) )
{
p_sys->i_tuner = strtol( psz_parser + strlen( "tuner=" ), &psz_parser, 0 );
}
else if( !strncmp( psz_parser, "codec=", strlen( "codec=" ) ) )
{
psz_parser += strlen( "codec=" );
if( !strncmp( psz_parser, "mpeg4", strlen( "mpeg4" ) ) )
{
p_sys->i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
}
else if( !strncmp( psz_parser, "mpeg1", strlen( "mpeg1" ) ) )
{
p_sys->i_codec = VLC_FOURCC( 'm', 'p', '1', 'v' );
}
else
{
msg_Warn( p_input, "unknow codec" );
}
}
#ifdef _V4L_AUDIO_
else if( !strncmp( psz_parser, "adev=", strlen( "adev=" ) ) )
{
int i_len;
psz_parser += strlen( "adev=" );
if( strchr( psz_parser, ':' ) )
{
i_len = strchr( psz_parser, ':' ) - psz_parser;
}
else
{
i_len = strlen( psz_parser );
}
p_sys->psz_adev = strndup( psz_parser, i_len );
psz_parser += i_len;
}
else if( !strncmp( psz_parser, "samplerate=", strlen( "samplerate=" ) ) )
{
p_sys->i_sample_rate = strtol( psz_parser + strlen( "samplerate=" ), &psz_parser, 0 );
}
else if( !strncmp( psz_parser, "stereo", strlen( "stereo" ) ) )
{
psz_parser += strlen( "stereo" );
p_sys->b_stereo = VLC_TRUE;
}
else if( !strncmp( psz_parser, "mono", strlen( "mono" ) ) )
{
psz_parser += strlen( "mono" );
p_sys->b_stereo = VLC_FALSE;
}
#endif
else
{
msg_Warn( p_input, "unknow option" );
}
while( *psz_parser && *psz_parser != ':' )
{
psz_parser++;
}
if( *psz_parser == '\0' )
{
break;
}
}
}
if( *psz_dup )
{
p_sys->psz_video_device = strdup( psz_dup );
}
else
{
p_sys->psz_video_device = strdup( "/dev/video" );
}
msg_Dbg( p_input, "video device=`%s'", p_sys->psz_video_device );
#ifdef _V4L_AUDIO_
if( p_sys->psz_adev && *p_sys->psz_adev == '\0' )
{
p_sys->psz_adev = strdup( "/dev/dsp" );
}
msg_Dbg( p_input, "audio device=`%s'", p_sys->psz_adev );
#endif
if( ( p_sys->fd = open( p_sys->psz_video_device, O_RDWR ) ) < 0 )
{
msg_Err( p_input, "cannot open device" );
goto failed;
}
if( ioctl( p_sys->fd, VIDIOCGCAP, &p_sys->vid_cap ) < 0 )
{
msg_Err( p_input, "cannot get capabilities" );
goto failed;
}
msg_Dbg( p_input,
"V4L device %s %d channels %d audios %d < w < %d %d < h < %d",
p_sys->vid_cap.name,
p_sys->vid_cap.channels,
p_sys->vid_cap.audios,
p_sys->vid_cap.minwidth, p_sys->vid_cap.maxwidth,
p_sys->vid_cap.minheight, p_sys->vid_cap.maxheight );
if( p_sys->i_channel < 0 || p_sys->i_channel >= p_sys->vid_cap.channels )
{
msg_Dbg( p_input, "invalid channel, falling back on channel 0" );
p_sys->i_channel = 0;
}
if( p_sys->i_audio >= p_sys->vid_cap.audios )
{
msg_Dbg( p_input, "invalid audio, falling back with no audio" );
p_sys->i_audio = -1;
}
if( p_sys->i_width < p_sys->vid_cap.minwidth ||
p_sys->i_width > p_sys->vid_cap.maxwidth )
{
msg_Dbg( p_input, "invalid width" );
p_sys->i_width = 0;
}
if( p_sys->i_height < p_sys->vid_cap.minheight ||
p_sys->i_height > p_sys->vid_cap.maxheight )
{
msg_Dbg( p_input, "invalid height" );
p_sys->i_height = 0;
}
if( !( p_sys->vid_cap.type&VID_TYPE_CAPTURE ) )
{
msg_Err( p_input, "cannot grab" );
goto failed;
}
vid_channel.channel = p_sys->i_channel;
if( ioctl( p_sys->fd, VIDIOCGCHAN, &vid_channel ) < 0 )
{
msg_Err( p_input, "cannot get channel infos" );
goto failed;
}
msg_Dbg( p_input,
"setting channel %s(%d) %d tuners flags=0x%x type=0x%x norm=0x%x",
vid_channel.name,
vid_channel.channel,
vid_channel.tuners,
vid_channel.flags,
vid_channel.type,
vid_channel.norm );
if( p_sys->i_tuner >= vid_channel.tuners )
{
msg_Dbg( p_input, "invalid tuner, falling back on tuner 0" );
p_sys->i_tuner = 0;
}
vid_channel.norm = p_sys->i_norm;
if( ioctl( p_sys->fd, VIDIOCSCHAN, &vid_channel ) < 0 )
{
msg_Err( p_input, "cannot set channel" );
goto failed;
}
if( vid_channel.flags & VIDEO_VC_TUNER )
{
/* set tuner */
#if 0
struct video_tuner vid_tuner;
if( p_sys->i_tuner >= 0 )
{
vid_tuner.tuner = p_sys->i_tuner;
if( ioctl( p_sys->fd, VIDIOCGTUNER, &vid_tuner ) < 0 )
{
msg_Err( p_input, "cannot get tuner" );
goto failed;
}
msg_Dbg( p_input,
"tuner %s low=%d high=%d, flags=0x%x mode=0x%x signal=0x%x",
vid_tuner.name,
vid_tuner.rangelow, vid_tuner.rangehigh,
vid_tuner.flags,
vid_tuner.mode,
vid_tuner.signal );
msg_Dbg( p_input,
"setting tuner %s (%d)",
vid_tuner.name, vid_tuner.tuner );
//vid_tuner.mode = p_sys->i_norm; /* FIXME FIXME to be checked FIXME FIXME */
if( ioctl( p_sys->fd, VIDIOCSTUNER, &vid_tuner ) < 0 )
{
msg_Err( p_input, "cannot set tuner" );
goto failed;
}
}
#endif
/* set frequency */
if( p_sys->i_frequency >= 0 )
{
if( ioctl( p_sys->fd, VIDIOCSFREQ, &p_sys->i_frequency ) < 0 )
{
msg_Err( p_input, "cannot set frequency" );
goto failed;
}
msg_Dbg( p_input, "frequency %d", p_sys->i_frequency );
}
}
/* set audio */
if( vid_channel.flags & VIDEO_VC_AUDIO )
{
struct video_audio vid_audio;
/* XXX TODO volume, balance, ... */
if( p_sys->i_audio >= 0 )
{
vid_audio.audio = p_sys->i_audio;
if( ioctl( p_sys->fd, VIDIOCGAUDIO, &vid_audio ) < 0 )
{
msg_Err( p_input, "cannot get audio" );
goto failed;
}
/* unmute audio */
vid_audio.flags &= ~VIDEO_AUDIO_MUTE;
if( ioctl( p_sys->fd, VIDIOCSAUDIO, &vid_audio ) < 0 )
{
msg_Err( p_input, "cannot set audio" );
goto failed;
}
#ifdef _V4L_AUDIO_
if( p_sys->psz_adev )
{
int i_format;
if( ( p_sys->fd_audio = open( p_sys->psz_adev, O_RDONLY ) ) < 0 )
{
msg_Err( p_input, "cannot open audio device" );
goto failed;
}
i_format = AFMT_S16_LE;
if( ioctl( p_sys->fd_audio, SNDCTL_DSP_SETFMT, &i_format ) < 0 ||
i_format != AFMT_S16_LE )
{
msg_Err( p_input, "cannot set audio format (16b little endian)" );
goto failed;
}
if( ioctl( p_sys->fd_audio, SNDCTL_DSP_STEREO, &p_sys->b_stereo ) < 0 )
{
msg_Err( p_input, "cannot set audio channels count" );
goto failed;
}
if( ioctl( p_sys->fd_audio, SNDCTL_DSP_SPEED, &p_sys->i_sample_rate ) < 0 )
{
msg_Err( p_input, "cannot set audio sample rate" );
goto failed;
}
msg_Dbg( p_input,
"adev=`%s' %s %dHz",
p_sys->psz_adev,
p_sys->b_stereo ? "stereo" : "mono",
p_sys->i_sample_rate );
p_sys->i_audio_frame_size = 0;
p_sys->i_audio_frame_size_allocated = 10*1024;
p_sys->p_audio_frame = malloc( p_sys->i_audio_frame_size_allocated );
}
#endif
}
}
/* fix width/heigh */
if( p_sys->i_width == 0 || p_sys->i_height == 0 )
{
struct video_window vid_win;
if( ioctl( p_sys->fd, VIDIOCGWIN, &vid_win ) < 0 )
{
msg_Err( p_input, "cannot get win" );
goto failed;
}
p_sys->i_width = vid_win.width;
p_sys->i_height = vid_win.height;
msg_Dbg( p_input, "will use %dx%d", p_sys->i_width, p_sys->i_height );
}
if( ioctl( p_sys->fd, VIDIOCGMBUF, &p_sys->vid_mbuf ) < 0 )
{
msg_Err( p_input, "mmap unsupported" );
goto failed;
}
p_sys->p_video_mmap = mmap( 0, p_sys->vid_mbuf.size,
PROT_READ|PROT_WRITE,
MAP_SHARED,
p_sys->fd,
0 );
if( p_sys->p_video_mmap == MAP_FAILED )
{
/* FIXME -> normal read */
msg_Err( p_input, "mmap failed" );
goto failed;
}
p_sys->p_video_frame = NULL;
/* init grabbing */
p_sys->vid_mmap.frame = 0;
p_sys->vid_mmap.width = p_sys->i_width;
p_sys->vid_mmap.height = p_sys->i_height;
p_sys->vid_mmap.format = VIDEO_PALETTE_YUV420P;
p_sys->i_chroma = VLC_FOURCC( 'I', '4', '2', '0' );
if( ioctl( p_sys->fd, VIDIOCMCAPTURE, &p_sys->vid_mmap ) < 0 )
{
msg_Warn( p_input, "%4.4s refused", (char*)&p_sys->i_chroma );
p_sys->vid_mmap.format = VIDEO_PALETTE_YUV422P;
p_sys->i_chroma = VLC_FOURCC( 'I', '4', '2', '2' );
if( ioctl( p_sys->fd, VIDIOCMCAPTURE, &p_sys->vid_mmap ) < 0 )
{
msg_Warn( p_input, "%4.4s refused", (char*)&p_sys->i_chroma );
msg_Err( p_input, "chroma selection failed" );
goto failed;
}
else
{
p_sys->i_video_frame_size = p_sys->i_width * p_sys->i_height * 2;
}
}
else
{
p_sys->i_video_frame_size = p_sys->i_width * p_sys->i_height * 3 / 2;
}
/* encoder part */
if( p_sys->i_codec != VLC_FOURCC( 0, 0, 0, 0 ) )
{
msg_Dbg( p_input,
"need a rencoder from %4.4s to %4.4s",
(char*)&p_sys->i_chroma,
(char*)&p_sys->i_codec );
#define p_enc p_sys->p_encoder
p_enc = vlc_object_create( p_input, sizeof( video_encoder_t ) );
p_enc->i_codec = p_sys->i_codec;
p_enc->i_chroma= p_sys->i_chroma;
p_enc->i_width = p_sys->i_width;
p_enc->i_height= p_sys->i_height;
p_enc->i_aspect= 0;
p_enc->p_module = module_Need( p_enc,
"video encoder",
"$video-encoder" );
if( !p_enc->p_module )
{
msg_Warn( p_input,
"no suitable encoder to %4.4s",
(char*)&p_enc->i_codec );
vlc_object_destroy( p_enc );
goto failed;
}