Commit d72e6273 authored by Jean-Paul Saman's avatar Jean-Paul Saman

Refactorize modules/codec/ffmpeg/:

- put deinterlace in its own file.
parent 1d67f7b1
......@@ -4,6 +4,7 @@ SOURCES_ffmpeg = \
video.c \
audio.c \
video_filter.c \
deinterlace.c \
chroma.c \
encoder.c \
postprocess.c \
......@@ -18,6 +19,7 @@ SOURCES_ffmpegaltivec = \
video.c \
audio.c \
video_filter.c \
deinterlace.c \
chroma.c \
encoder.c \
postprocess.c \
......
/*****************************************************************************
* video filter: video filter doing chroma conversion and resizing
* using the ffmpeg library
*****************************************************************************
* Copyright (C) 1999-2001 the VideoLAN team
* $Id$
*
* 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 <vlc/vlc.h>
#include <vlc_codec.h>
#include <vlc_vout.h>
#include <vlc_filter.h>
/* ffmpeg header */
#ifdef HAVE_FFMPEG_AVCODEC_H
# include <ffmpeg/avcodec.h>
#else
# include <avcodec.h>
#endif
#include "ffmpeg.h"
static picture_t *Deinterlace( filter_t *p_filter, picture_t *p_pic );
/*****************************************************************************
* filter_sys_t : filter descriptor
*****************************************************************************/
struct filter_sys_t
{
vlc_bool_t b_resize;
vlc_bool_t b_convert;
vlc_bool_t b_resize_first;
vlc_bool_t b_enable_croppadd;
es_format_t fmt_in;
int i_src_ffmpeg_chroma;
es_format_t fmt_out;
int i_dst_ffmpeg_chroma;
AVPicture tmp_pic;
};
/*****************************************************************************
* OpenDeinterlace: probe the filter and return score
*****************************************************************************/
int E_(OpenDeinterlace)( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys;
/* Check if we can handle that formats */
if( E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma ) < 0 )
{
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_filter->p_sys = p_sys =
(filter_sys_t *)malloc(sizeof(filter_sys_t)) ) == NULL )
{
msg_Err( p_filter, "out of memory" );
return VLC_EGENERIC;
}
/* Misc init */
p_sys->i_src_ffmpeg_chroma =
E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma );
p_filter->pf_video_filter = Deinterlace;
msg_Dbg( p_filter, "deinterlacing" );
/* libavcodec needs to be initialized for some chroma conversions */
E_(InitLibavcodec)(p_this);
return VLC_SUCCESS;
}
/*****************************************************************************
* CloseDeinterlace: clean up the filter
*****************************************************************************/
void E_(CloseDeinterlace)( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
free( p_sys );
}
/*****************************************************************************
* Do the processing here
*****************************************************************************/
static picture_t *Deinterlace( filter_t *p_filter, picture_t *p_pic )
{
filter_sys_t *p_sys = p_filter->p_sys;
AVPicture src_pic, dest_pic;
picture_t *p_pic_dst;
int i;
/* Request output picture */
p_pic_dst = p_filter->pf_vout_buffer_new( p_filter );
if( !p_pic_dst )
{
msg_Warn( p_filter, "can't get output picture" );
return NULL;
}
/* Prepare the AVPictures for the conversion */
for( i = 0; i < p_pic->i_planes; i++ )
{
src_pic.data[i] = p_pic->p[i].p_pixels;
src_pic.linesize[i] = p_pic->p[i].i_pitch;
}
for( i = 0; i < p_pic_dst->i_planes; i++ )
{
dest_pic.data[i] = p_pic_dst->p[i].p_pixels;
dest_pic.linesize[i] = p_pic_dst->p[i].i_pitch;
}
avpicture_deinterlace( &dest_pic, &src_pic, p_sys->i_src_ffmpeg_chroma,
p_filter->fmt_in.video.i_width,
p_filter->fmt_in.video.i_height );
p_pic_dst->date = p_pic->date;
p_pic_dst->b_force = p_pic->b_force;
p_pic_dst->i_nb_fields = p_pic->i_nb_fields;
p_pic_dst->b_progressive = VLC_TRUE;
p_pic_dst->b_top_field_first = p_pic->b_top_field_first;
p_pic->pf_release( p_pic );
return p_pic_dst;
}
......@@ -45,9 +45,6 @@ static int CheckInit( filter_t *p_filter );
static picture_t *Process( filter_t *p_filter, picture_t *p_pic );
#endif
static picture_t *Deinterlace( filter_t *p_filter, picture_t *p_pic );
/*****************************************************************************
* filter_sys_t : filter descriptor
*****************************************************************************/
......@@ -568,93 +565,3 @@ static picture_t *Process( filter_t *p_filter, picture_t *p_pic )
return p_pic_dst;
}
#endif /* ( (defined(HAVE_FFMPEG_SWSCALE_H) || defined(HAVE_LIBSWSCALE_TREE)) */
/*****************************************************************************
* OpenDeinterlace: probe the filter and return score
*****************************************************************************/
int E_(OpenDeinterlace)( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys;
/* Check if we can handle that formats */
if( E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma ) < 0 )
{
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_filter->p_sys = p_sys =
(filter_sys_t *)malloc(sizeof(filter_sys_t)) ) == NULL )
{
msg_Err( p_filter, "out of memory" );
return VLC_EGENERIC;
}
/* Misc init */
p_sys->i_src_ffmpeg_chroma =
E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma );
p_filter->pf_video_filter = Deinterlace;
msg_Dbg( p_filter, "deinterlacing" );
/* libavcodec needs to be initialized for some chroma conversions */
E_(InitLibavcodec)(p_this);
return VLC_SUCCESS;
}
/*****************************************************************************
* CloseDeinterlace: clean up the filter
*****************************************************************************/
void E_(CloseDeinterlace)( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
free( p_sys );
}
/*****************************************************************************
* Do the processing here
*****************************************************************************/
static picture_t *Deinterlace( filter_t *p_filter, picture_t *p_pic )
{
filter_sys_t *p_sys = p_filter->p_sys;
AVPicture src_pic, dest_pic;
picture_t *p_pic_dst;
int i;
/* Request output picture */
p_pic_dst = p_filter->pf_vout_buffer_new( p_filter );
if( !p_pic_dst )
{
msg_Warn( p_filter, "can't get output picture" );
return NULL;
}
/* Prepare the AVPictures for the conversion */
for( i = 0; i < p_pic->i_planes; i++ )
{
src_pic.data[i] = p_pic->p[i].p_pixels;
src_pic.linesize[i] = p_pic->p[i].i_pitch;
}
for( i = 0; i < p_pic_dst->i_planes; i++ )
{
dest_pic.data[i] = p_pic_dst->p[i].p_pixels;
dest_pic.linesize[i] = p_pic_dst->p[i].i_pitch;
}
avpicture_deinterlace( &dest_pic, &src_pic, p_sys->i_src_ffmpeg_chroma,
p_filter->fmt_in.video.i_width,
p_filter->fmt_in.video.i_height );
p_pic_dst->date = p_pic->date;
p_pic_dst->b_force = p_pic->b_force;
p_pic_dst->i_nb_fields = p_pic->i_nb_fields;
p_pic_dst->b_progressive = VLC_TRUE;
p_pic_dst->b_top_field_first = p_pic->b_top_field_first;
p_pic->pf_release( p_pic );
return p_pic_dst;
}
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