Commit f57013c6 authored by Gildas Bazin's avatar Gildas Bazin

* modules/demux/rawvid.c: raw video demuxer (only does YV12 for now).

parent 006c8499
......@@ -1148,7 +1148,7 @@ dnl
dnl default modules
dnl
VLC_ADD_PLUGINS([dummy logger memcpy])
VLC_ADD_PLUGINS([mpgv mpga m4v m4a h264 vc1 ps pva avi asf mp4 rawdv nsv real aiff mjpeg demuxdump flacsys tta])
VLC_ADD_PLUGINS([mpgv mpga m4v m4a h264 vc1 ps pva avi asf mp4 rawdv rawvid nsv real aiff mjpeg demuxdump flacsys tta])
VLC_ADD_PLUGINS([cvdsub svcdsub spudec telx subsdec dvbsub mpeg_audio lpcm a52 dts cinepak flac])
VLC_ADD_PLUGINS([deinterlace invert adjust transform wave ripple psychedelic gradient motionblur rv32 rotate noise extract sharpen])
VLC_ADD_PLUGINS([converter_fixed mono])
......
......@@ -4,6 +4,7 @@ SOURCES_flacsys = flac.c
SOURCES_ogg = ogg.c
SOURCES_demuxdump = demuxdump.c
SOURCES_rawdv = rawdv.c
SOURCES_rawvid = rawvid.c
SOURCES_au = au.c
SOURCES_wav = wav.c
SOURCES_mkv = mkv.cpp mp4/libmp4.c mp4/drms.c
......
/*****************************************************************************
* rawvid.c : raw video input module for vlc
*****************************************************************************
* Copyright (C) 2007 the VideoLAN team
* $Id: rawdv.c 18062 2006-11-26 14:20:34Z zorglub $
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc_demux.h>
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
#define FPS_TEXT N_("Frames per Second")
#define FPS_LONGTEXT N_("This is the desired frame rate when " \
"playing raw video streams.")
#define WIDTH_TEXT N_("Width")
#define WIDTH_LONGTEXT N_("This specifies the width in pixels of the raw " \
"video stream.")
#define HEIGHT_TEXT N_("Height")
#define HEIGHT_LONGTEXT N_("This specifies the height in pixels of the raw " \
"video stream.")
vlc_module_begin();
set_shortname( "Raw Video" );
set_description( _("Raw video demuxer") );
set_capability( "demux2", 2 );
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_DEMUX );
set_callbacks( Open, Close );
add_shortcut( "rawvideo" );
add_float( "rawvid-fps", 25, 0, FPS_TEXT, FPS_LONGTEXT, VLC_FALSE );
add_integer( "rawvid-width", 176, 0, WIDTH_TEXT, WIDTH_LONGTEXT, 0 );
add_integer( "rawvid-height", 144, 0, HEIGHT_TEXT, HEIGHT_LONGTEXT, 0 );
vlc_module_end();
/*****************************************************************************
* Definitions of structures used by this plugin
*****************************************************************************/
struct demux_sys_t
{
int frame_size;
float f_fps;
es_out_id_t *p_es_video;
es_format_t fmt_video;
mtime_t i_pcr;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux( demux_t * );
static int Control( demux_t *, int i_query, va_list args );
/*****************************************************************************
* Open: initializes raw DV demux structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
int i_width, i_height;
vlc_value_t val;
char *psz_ext;
/* Check for YUV file extension */
psz_ext = strrchr( p_demux->psz_path, '.' );
if( ( !psz_ext || strcasecmp( psz_ext, ".yuv") ) &&
strcmp(p_demux->psz_demux, "rawvid") )
{
return VLC_EGENERIC;
}
/* Set p_input field */
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
p_sys->i_pcr = 1;
var_Create( p_demux, "rawvid-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
var_Get( p_demux, "rawvid-fps", &val );
p_sys->f_fps = val.f_float;
var_Create( p_demux, "rawvid-width", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
var_Get( p_demux, "rawvid-width", &val );
i_width = val.i_int;
var_Create( p_demux, "rawvid-height", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
var_Get( p_demux, "rawvid-height", &val );
i_height = val.i_int;
/* Only handle YV12 for now */
es_format_Init( &p_sys->fmt_video, VIDEO_ES, VLC_FOURCC('Y','V','1','2') );
p_sys->fmt_video.video.i_width = i_width;
p_sys->fmt_video.video.i_height = i_height;
p_sys->frame_size = i_width * i_height * 3 / 2;
p_sys->p_es_video = es_out_Add( p_demux->out, &p_sys->fmt_video );
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: frees unused data
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
free( p_sys );
}
/*****************************************************************************
* Demux: reads and demuxes data packets
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
/* Call the pace control */
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
if( ( p_block = stream_Block( p_demux->s, p_sys->frame_size ) ) == NULL )
{
/* EOF */
return 0;
}
p_block->i_dts = p_block->i_pts = p_sys->i_pcr;
es_out_Send( p_demux->out, p_sys->p_es_video, p_block );
p_sys->i_pcr += ( I64C(1000000) / p_sys->f_fps );
return 1;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
/* XXX: DEMUX_SET_TIME is precise here */
return demux2_vaControlHelper( p_demux->s, 0, -1,
p_sys->frame_size * p_sys->f_fps * 8,
p_sys->frame_size, i_query, args );
}
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