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Commit 63e5475e authored by Laurent Aimar's avatar Laurent Aimar
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Removed fake decoder.

parent 43e06934
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modules/codec/Modules.am
View file @ 63e5475e
......@@ -23,7 +23,6 @@ SOURCES_dirac = dirac.c
SOURCES_png = png.c
SOURCES_svcdsub = svcdsub.c
SOURCES_cvdsub = cvdsub.c
SOURCES_fake = fake.c
SOURCES_invmem = invmem.c
SOURCES_realvideo = realvideo.c
SOURCES_sdl_image = sdl_image.c
......@@ -45,7 +44,6 @@ libvlc_LTLIBRARIES += \
libcdg_plugin.la \
libcvdsub_plugin.la \
libdts_plugin.la \
libfake_plugin.la \
libdvbsub_plugin.la \
liblpcm_plugin.la \
libmpeg_audio_plugin.la \
......
modules/codec/fake.c deleted 100644 → 0
View file @ 43e06934
/*****************************************************************************
* fake.c: decoder reading from a fake stream, outputting a fixed image
*****************************************************************************
* Copyright (C) 2005-2009 the VideoLAN team
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Jean-Paul Saman <jpsaman at m2x dot nl>
*
* 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_codec.h>
#include <vlc_image.h>
#include <vlc_filter.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int OpenDecoder ( vlc_object_t * );
static void CloseDecoder ( vlc_object_t * );
static picture_t *DecodeBlock ( decoder_t *, block_t ** );
static int FakeCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define FILE_TEXT N_("Image file")
#define FILE_LONGTEXT N_( \
"Path of the image file for fake input." )
#define RELOAD_TEXT N_("Reload image file")
#define RELOAD_LONGTEXT N_( \
"Reload image file every n seconds." )
#define WIDTH_TEXT N_("Video width")
#define WIDTH_LONGTEXT N_( \
"Output video width." )
#define HEIGHT_TEXT N_("Video height")
#define HEIGHT_LONGTEXT N_( \
"Output video height." )
#define KEEP_AR_TEXT N_("Keep aspect ratio")
#define KEEP_AR_LONGTEXT N_( \
"Consider width and height as maximum values." )
#define ASPECT_RATIO_TEXT N_("Background aspect ratio")
#define ASPECT_RATIO_LONGTEXT N_( \
"Aspect ratio of the image file (4:3, 16:9). Default is square pixels." )
#define DEINTERLACE_TEXT N_("Deinterlace video")
#define DEINTERLACE_LONGTEXT N_( \
"Deinterlace the image after loading it." )
#define DEINTERLACE_MODULE_TEXT N_("Deinterlace module")
#define DEINTERLACE_MODULE_LONGTEXT N_( \
"Deinterlace module to use." )
#define CHROMA_TEXT N_("Chroma used")
#define CHROMA_LONGTEXT N_( \
"Force use of a specific chroma for output. Default is I420." )
static const char *const ppsz_deinterlace_type[] =
{
"deinterlace", "ffmpeg-deinterlace"
};
vlc_module_begin ()
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_VCODEC )
set_shortname( N_("Fake") )
set_description( N_("Fake video decoder") )
set_capability( "decoder", 1000 )
set_callbacks( OpenDecoder, CloseDecoder )
add_shortcut( "fake" )
add_file( "fake-file", "", NULL, FILE_TEXT,
FILE_LONGTEXT, false )
add_integer( "fake-file-reload", 0, NULL, RELOAD_TEXT,
RELOAD_LONGTEXT, false )
add_integer( "fake-width", 0, NULL, WIDTH_TEXT,
WIDTH_LONGTEXT, true )
add_integer( "fake-height", 0, NULL, HEIGHT_TEXT,
HEIGHT_LONGTEXT, true )
add_bool( "fake-keep-ar", false, NULL, KEEP_AR_TEXT, KEEP_AR_LONGTEXT,
true )
add_string( "fake-aspect-ratio", "", NULL,
ASPECT_RATIO_TEXT, ASPECT_RATIO_LONGTEXT, true )
add_bool( "fake-deinterlace", false, NULL, DEINTERLACE_TEXT,
DEINTERLACE_LONGTEXT, false )
add_string( "fake-deinterlace-module", "deinterlace", NULL,
DEINTERLACE_MODULE_TEXT, DEINTERLACE_MODULE_LONGTEXT,
false )
change_string_list( ppsz_deinterlace_type, 0, 0 )
add_string( "fake-chroma", "I420", NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
true )
vlc_module_end ()
struct decoder_sys_t
{
picture_t *p_image;
vlc_mutex_t lock;
bool b_reload;
mtime_t i_reload;
mtime_t i_next;
};
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
image_handler_t *p_handler;
video_format_t fmt_in, fmt_out;
picture_t *p_image;
char *psz_file, *psz_chroma, *psz_string;
bool b_keep_ar;
int i_aspect = 0;
int i_int;
if( p_dec->fmt_in.i_codec != VLC_FOURCC('f','a','k','e') )
{
return VLC_EGENERIC;
}
p_dec->p_sys = calloc( 1, sizeof( *p_dec->p_sys ) );
if( !p_dec->p_sys )
return VLC_ENOMEM;
psz_file = var_CreateGetNonEmptyStringCommand( p_dec, "fake-file" );
if( !psz_file )
{
msg_Err( p_dec, "specify a file with --fake-file=..." );
free( p_dec->p_sys );
return VLC_EGENERIC;
}
memset( &fmt_in, 0, sizeof(fmt_in) );
memset( &fmt_out, 0, sizeof(fmt_out) );
i_int = var_CreateGetIntegerCommand( p_dec, "fake-file-reload" );
if( i_int > 0)
{
p_dec->p_sys->b_reload = true;
p_dec->p_sys->i_reload = (mtime_t)(i_int * 1000000);
p_dec->p_sys->i_next = (mtime_t)(p_dec->p_sys->i_reload + mdate());
}
psz_chroma = var_CreateGetString( p_dec, "fake-chroma" );
fmt_out.i_chroma = vlc_fourcc_GetCodecFromString( VIDEO_ES, psz_chroma );
if( !fmt_out.i_chroma )
{
msg_Warn( p_dec, "Invalid chroma (%s). Using I420.", psz_chroma );
fmt_out.i_chroma = VLC_CODEC_I420;
}
free( psz_chroma );
var_Create( p_dec, "fake-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Create( p_dec, "fake-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
psz_string = var_CreateGetString( p_dec, "fake-aspect-ratio" );
if( psz_string )
{
char *psz_parser = strchr( psz_string, ':' );
if( psz_parser )
{
*psz_parser++ = '\0';
i_aspect = atoi( psz_string )
* VOUT_ASPECT_FACTOR / atoi( psz_parser );
}
free( psz_string );
}
b_keep_ar = var_CreateGetBool( p_dec, "fake-keep-ar" );
if( !b_keep_ar )
{
fmt_out.i_width = var_GetInteger( p_dec, "fake-width" );
fmt_out.i_height = var_GetInteger( p_dec, "fake-height" );
}
p_handler = image_HandlerCreate( p_dec );
p_image = image_ReadUrl( p_handler, psz_file, &fmt_in, &fmt_out );
image_HandlerDelete( p_handler );
if ( p_image == NULL )
{
msg_Err( p_dec, "unable to read image file %s", psz_file );
free( psz_file );
free( p_dec->p_sys );
return VLC_EGENERIC;
}
msg_Dbg( p_dec, "file %s loaded successfully", psz_file );
free( psz_file );
if ( b_keep_ar )
{
picture_t *p_old = p_image;
int i_width, i_height;
i_width = var_GetInteger( p_dec, "fake-width" );
i_height = var_GetInteger( p_dec, "fake-height" );
if ( i_width && i_height )
{
int i_image_ar = fmt_out.i_width * VOUT_ASPECT_FACTOR
/ fmt_out.i_height;
int i_region_ar = i_width * VOUT_ASPECT_FACTOR / i_height;
fmt_in = fmt_out;
if ( i_aspect == i_image_ar )
{
fmt_out.i_width = i_width;
fmt_out.i_height = i_height;
}
else if ( i_image_ar > i_region_ar )
{
fmt_out.i_width = i_width;
fmt_out.i_height = i_width * VOUT_ASPECT_FACTOR
/ i_image_ar;
i_aspect = i_image_ar;
}
else
{
fmt_out.i_height = i_height;
fmt_out.i_width = i_height * i_image_ar
/ VOUT_ASPECT_FACTOR;
i_aspect = i_image_ar;
}
p_handler = image_HandlerCreate( p_dec );
p_image = image_Convert( p_handler, p_old, &fmt_in, &fmt_out );
image_HandlerDelete( p_handler );
if ( p_image == NULL )
{
msg_Warn( p_dec, "couldn't load resizing module" );
p_image = p_old;
fmt_out = fmt_in;
}
else
{
picture_Release( p_old );
}
}
}
if ( i_aspect )
{
fmt_out.i_sar_num = i_aspect * fmt_out.i_height;
fmt_out.i_sar_den = VOUT_ASPECT_FACTOR * fmt_out.i_width;
}
else
{
fmt_out.i_sar_num = 1;
fmt_out.i_sar_den = 1;
}
if( var_CreateGetBool( p_dec, "fake-deinterlace" ) )
{
picture_t *p_old = p_image;
psz_string = var_CreateGetString( p_dec, "fake-deinterlace-module" );
p_handler = image_HandlerCreate( p_dec );
p_image = image_Filter( p_handler, p_old, &fmt_out, psz_string );
image_HandlerDelete( p_handler );
free( psz_string );
if ( p_image == NULL )
{
msg_Warn( p_dec, "couldn't load deinterlace module" );
p_image = p_old;
}
else
{
picture_Release( p_old );
}
}
/* Set output properties */
p_dec->fmt_out.i_cat = VIDEO_ES;
p_dec->fmt_out.i_codec = fmt_out.i_chroma;
p_dec->fmt_out.video = fmt_out;
/* Set callbacks */
p_dec->pf_decode_video = DecodeBlock;
p_dec->p_sys->p_image = p_image;
vlc_mutex_init( &p_dec->p_sys->lock );
/* Add the callback when every variables are available */
var_AddCallback( p_dec, "fake-file", FakeCallback, p_dec );
var_AddCallback( p_dec, "fake-file-reload", FakeCallback , p_dec );
return VLC_SUCCESS;
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************/
static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = (decoder_sys_t*) p_dec->p_sys;
picture_t *p_pic;
if( pp_block == NULL || !*pp_block ) return NULL;
p_pic = decoder_NewPicture( p_dec );
if( p_pic == NULL )
{
msg_Err( p_dec, "cannot get picture" );
goto error;
}
if( p_sys->b_reload && (mdate() >= p_sys->i_next) )
{
var_TriggerCallback( p_dec, "fake-file" );
/* next period */
p_sys->i_next = (mtime_t)(p_sys->i_reload + mdate());
}
vlc_mutex_lock( &p_dec->p_sys->lock );
picture_Copy( p_pic, p_dec->p_sys->p_image );
vlc_mutex_unlock( &p_dec->p_sys->lock );
p_pic->date = (*pp_block)->i_pts;
error:
block_Release( *pp_block );
*pp_block = NULL;
return p_pic;
}
/*****************************************************************************
* CloseDecoder: fake decoder destruction
*****************************************************************************/
static void CloseDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t *)p_this;
picture_t *p_image = p_dec->p_sys->p_image;
var_DelCallback( p_dec, "fake-file", FakeCallback, p_dec );
var_DelCallback( p_dec, "fake-file-reload", FakeCallback , p_dec );
if( p_image != NULL )
picture_Release( p_image );
vlc_mutex_destroy( &p_dec->p_sys->lock );
free( p_dec->p_sys );
}
/*****************************************************************************
* FakeCallback: Image source change callback.
*****************************************************************************/
static int FakeCallback( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval,
void *p_data )
{
VLC_UNUSED(p_this); VLC_UNUSED(oldval);
decoder_t *p_dec = (decoder_t *)p_data;
if( !strcmp( psz_var, "fake-file" ) )
{
image_handler_t *p_handler;
picture_t *p_new_image;
video_format_t fmt_in, fmt_out;
char *psz_file = newval.psz_string;
picture_t *p_image;
vlc_mutex_lock( &p_dec->p_sys->lock );
p_image = p_dec->p_sys->p_image;
if( !psz_file || !*psz_file )
{
msg_Err( p_dec, "fake-file value must be non empty." );
vlc_mutex_unlock( &p_dec->p_sys->lock );
return VLC_EGENERIC;
}
msg_Dbg( p_dec, "Changing fake-file to %s.", psz_file );
memset( &fmt_in, 0, sizeof(fmt_in) );
fmt_out = p_dec->fmt_out.video;
p_handler = image_HandlerCreate( p_dec );
p_new_image = image_ReadUrl( p_handler, psz_file, &fmt_in, &fmt_out );
image_HandlerDelete( p_handler );
if( !p_new_image )
{
msg_Err( p_dec, "error while reading image (%s)", psz_file );
vlc_mutex_unlock( &p_dec->p_sys->lock );
return VLC_EGENERIC;
}
p_dec->p_sys->p_image = p_new_image;
picture_Release( p_image );
vlc_mutex_unlock( &p_dec->p_sys->lock );
}
else if( !strcmp( psz_var, "fake-file-reload" ) )
{
if( newval.i_int > 0)
{
p_dec->p_sys->b_reload = true;
p_dec->p_sys->i_reload = (mtime_t)(newval.i_int * 1000000);
p_dec->p_sys->i_next = (mtime_t)(p_dec->p_sys->i_reload + mdate());
}
else
{
p_dec->p_sys->b_reload = false;
}
}
return VLC_SUCCESS;
}
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