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/*****************************************************************************
* postprocess.c: video postprocessing using the ffmpeg library
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: postprocess.c,v 1.7 2004/01/25 18:20:12 bigben Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#include <vlc/vlc.h>
#include <vlc/vout.h>
#include <vlc/decoder.h>
/* ffmpeg header */
#ifdef HAVE_FFMPEG_AVCODEC_H
# include <ffmpeg/avcodec.h>
#else
# include <avcodec.h>
#endif
#include "ffmpeg.h"
#ifdef LIBAVCODEC_PP
#ifdef HAVE_POSTPROC_POSTPROCESS_H
# include <postproc/postprocess.h>
#else
# include <libpostproc/postprocess.h>
#endif
/*****************************************************************************
* video_postproc_sys_t : ffmpeg video postprocessing descriptor
*****************************************************************************/
typedef struct video_postproc_sys_t
{
pp_context_t *pp_context;
pp_mode_t *pp_mode;
vlc_bool_t *pb_pp;
int i_width;
int i_height;
} video_postproc_sys_t;
static int PPQCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data );
/*****************************************************************************
* OpenPostproc: probe and open the postproc
*****************************************************************************/
void *E_(OpenPostproc)( decoder_t *p_dec, vlc_bool_t *pb_pp )
{
video_postproc_sys_t *p_sys;
vlc_value_t val, val_orig, text;
p_sys = malloc( sizeof(video_postproc_sys_t) );
p_sys->pp_context = NULL;
p_sys->pp_mode = NULL;
*pb_pp = VLC_FALSE;
p_sys->pb_pp = pb_pp;
/* Create object variable if not already done */
if( var_Type( p_dec, "ffmpeg-pp-q" ) == 0 )
{
var_Create( p_dec, "ffmpeg-pp-q",
VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
text.psz_string = _("Post processing");
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_SETTEXT, &text, NULL );
var_Get( p_dec, "ffmpeg-pp-q", &val_orig );
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_DELCHOICE, &val_orig, NULL );
val.i_int = 0; text.psz_string = _("Disable");
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
val.i_int = 1; text.psz_string = _("1 (Lowest)");
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
val.i_int = 2;
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
val.i_int = 3;
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
val.i_int = 4;
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
val.i_int = 5;
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, NULL );
val.i_int = 6; text.psz_string = _("6 (Highest)");
var_Change( p_dec, "ffmpeg-pp-q", VLC_VAR_ADDCHOICE, &val, &text );
var_AddCallback( p_dec, "ffmpeg-pp-q", PPQCallback, p_sys );
}
/* ***** Load post processing if enabled ***** */
var_Get( p_dec, "ffmpeg-pp-q", &val );
var_Set( p_dec, "ffmpeg-pp-q", val_orig );
return p_sys;
}
/*****************************************************************************
* InitPostproc:
*****************************************************************************/
int E_(InitPostproc)( decoder_t *p_dec, void *p_data,
int i_width, int i_height, int pix_fmt )
{
video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
int32_t i_cpu = p_dec->p_libvlc->i_cpu;
int i_flags = 0;
if( i_cpu & CPU_CAPABILITY_MMX )
{
i_flags |= PP_CPU_CAPS_MMX;
}
if( i_cpu & CPU_CAPABILITY_MMXEXT )
{
i_flags |= PP_CPU_CAPS_MMX2;
}
if( i_cpu & CPU_CAPABILITY_3DNOW )
{
i_flags |= PP_CPU_CAPS_3DNOW;
}
switch( pix_fmt )
{
case PIX_FMT_YUV444P:
i_flags |= PP_FORMAT_444;
break;
case PIX_FMT_YUV422P:
i_flags |= PP_FORMAT_422;
break;
case PIX_FMT_YUV411P:
i_flags |= PP_FORMAT_411;
break;
default:
i_flags |= PP_FORMAT_420;
break;
}
p_sys->pp_context = pp_get_context( i_width, i_height, i_flags );
p_sys->i_width = i_width;
p_sys->i_height = i_height;
return VLC_SUCCESS;
}
/*****************************************************************************
* PostprocPict:
*****************************************************************************/
int E_(PostprocPict)( decoder_t *p_dec, void *p_data,
picture_t *p_pic, AVFrame *p_ff_pic )
{
video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
uint8_t *src[3], *dst[3];
int i_plane, i_src_stride[3], i_dst_stride[3];
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
src[i_plane] = p_ff_pic->data[i_plane];
dst[i_plane] = p_pic->p[i_plane].p_pixels;
i_src_stride[i_plane] = p_ff_pic->linesize[i_plane];
i_dst_stride[i_plane] = p_pic->p[i_plane].i_pitch;
}
pp_postprocess( src, i_src_stride, dst, i_dst_stride,
p_sys->i_width, p_sys->i_height,
p_ff_pic->qscale_table, p_ff_pic->qstride,
p_sys->pp_mode, p_sys->pp_context,
p_ff_pic->pict_type );
return VLC_SUCCESS;
}
/*****************************************************************************
* ClosePostproc:
*****************************************************************************/
void E_(ClosePostproc)( decoder_t *p_dec, void *p_data )
{
video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
if( p_sys && p_sys->pp_mode )
{
pp_free_mode( p_sys->pp_mode );
if( p_sys->pp_context ) pp_free_context( p_sys->pp_context );
}
var_DelCallback( p_dec, "ffmpeg-pp-q", PPQCallback, p_sys );
if( p_sys ) free( p_sys );
}
/*****************************************************************************
* object variables callbacks: a bunch of object variables are used by the
* interfaces to interact with the decoder.
*****************************************************************************/
static int PPQCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
decoder_t *p_dec = (decoder_t *)p_this;
video_postproc_sys_t *p_sys = (video_postproc_sys_t *)p_data;
if( newval.i_int > 0 )
{
int i_quality = newval.i_int;
char *psz_name = config_GetPsz( p_dec, "ffmpeg-pp-name" );
pp_mode_t *pp_mode;
if( !psz_name )
{
psz_name = strdup( "default" );
}
else if( *psz_name == '\0' )
{
free( psz_name );
psz_name = strdup( "default" );
}
pp_mode = pp_get_mode_by_name_and_quality( psz_name, i_quality );
if( !pp_mode )
{
msg_Err( p_dec, "failed getting mode for postproc" );
newval.i_int = 0;
}
else
{
msg_Dbg( p_dec, "postprocessing enabled" );
}
free( psz_name );
p_sys->pp_mode = pp_mode;
}
else
{
msg_Dbg( p_dec, "postprocessing disabled" );
}
*p_sys->pb_pp = newval.i_int;
return VLC_SUCCESS;
}
#endif /* LIBAVCODEC_PP */