Commit 3f92e9ad authored by Antoine Cellerier's avatar Antoine Cellerier

Merge all swscale plugin related source files (except chroma.h).

parent 3e3d8776
......@@ -36,8 +36,6 @@ EXTRA_libavformat_plugin_la_SOURCES = \
SOURCES_swscale = \
swscale.c \
swscale.h \
scale.c \
chroma.h \
$(NULL)
......
/*****************************************************************************
* filter.c: video scaling module using the swscale library
*****************************************************************************
* Copyright (C) 2003 the VideoLAN team
* $Id$
*
* Author: 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
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_vout.h>
#include <vlc_filter.h>
#ifdef HAVE_LIBSWSCALE_SWSCALE_H
# include <libswscale/swscale.h>
#elif defined(HAVE_FFMPEG_SWSCALE_H)
# include <ffmpeg/swscale.h>
#endif
#include "chroma.h"
/* Version checking */
#if LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0)
/*****************************************************************************
* filter_sys_t : filter descriptor
*****************************************************************************/
struct filter_sys_t
{
struct SwsContext *ctx;
SwsFilter *p_src_filter;
SwsFilter *p_dst_filter;
int i_cpu_mask, i_sws_flags;
es_format_t fmt_in;
es_format_t fmt_out;
};
/****************************************************************************
* Local prototypes
****************************************************************************/
void *( *swscale_fast_memcpy )( void *, const void *, size_t );
static picture_t *Filter( filter_t *, picture_t * );
static int CheckInit( filter_t * );
static const char *ppsz_mode_descriptions[] =
{ N_("Fast bilinear"), N_("Bilinear"), N_("Bicubic (good quality)"),
N_("Experimental"), N_("Nearest neighbour (bad quality)"),
N_("Area"), N_("Luma bicubic / chroma bilinear"), N_("Gauss"),
N_("SincR"), N_("Lanczos"), N_("Bicubic spline") };
/*****************************************************************************
* OpenScaler: probe the filter and return score
*****************************************************************************/
int OpenScaler( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys;
vlc_value_t val;
int i_fmt_in, i_fmt_out;
unsigned int i_cpu;
int i_sws_mode;
float sws_lum_gblur = 0.0, sws_chr_gblur = 0.0;
int sws_chr_vshift = 0, sws_chr_hshift = 0;
float sws_chr_sharpen = 0.0, sws_lum_sharpen = 0.0;
/* Supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24,
* BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09 */
i_fmt_in = GetFfmpegChroma(p_filter->fmt_in.video.i_chroma);
/* Supported output formats: YV12, I420/IYUV, YUY2, UYVY,
* {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 */
i_fmt_out = GetFfmpegChroma(p_filter->fmt_out.video.i_chroma);
if( ( i_fmt_in < 0 ) || ( i_fmt_out < 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 )
{
return VLC_ENOMEM;
}
swscale_fast_memcpy = vlc_memcpy;
/* Set CPU capabilities */
i_cpu = vlc_CPU();
p_sys->i_cpu_mask = 0;
if( i_cpu & CPU_CAPABILITY_MMX )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_MMX;
}
#if (LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0))
if( i_cpu & CPU_CAPABILITY_MMXEXT )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_MMX2;
}
#endif
if( i_cpu & CPU_CAPABILITY_3DNOW )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_3DNOW;
}
if( i_cpu & CPU_CAPABILITY_ALTIVEC )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_ALTIVEC;
}
var_Create( p_filter, "swscale-mode", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
var_Get( p_filter, "swscale-mode", &val );
i_sws_mode = val.i_int;
switch( i_sws_mode )
{
case 0: p_sys->i_sws_flags = SWS_FAST_BILINEAR; break;
case 1: p_sys->i_sws_flags = SWS_BILINEAR; break;
case 2: p_sys->i_sws_flags = SWS_BICUBIC; break;
case 3: p_sys->i_sws_flags = SWS_X; break;
case 4: p_sys->i_sws_flags = SWS_POINT; break;
case 5: p_sys->i_sws_flags = SWS_AREA; break;
case 6: p_sys->i_sws_flags = SWS_BICUBLIN; break;
case 7: p_sys->i_sws_flags = SWS_GAUSS; break;
case 8: p_sys->i_sws_flags = SWS_SINC; break;
case 9: p_sys->i_sws_flags = SWS_LANCZOS; break;
case 10: p_sys->i_sws_flags = SWS_SPLINE; break;
default: p_sys->i_sws_flags = SWS_FAST_BILINEAR; i_sws_mode = 0; break;
}
p_sys->p_src_filter = NULL;
p_sys->p_dst_filter = NULL;
p_sys->p_src_filter =
sws_getDefaultFilter( sws_lum_gblur, sws_chr_gblur,
sws_lum_sharpen, sws_chr_sharpen,
sws_chr_hshift, sws_chr_vshift, 0 );
/* Misc init */
p_sys->ctx = NULL;
p_filter->pf_video_filter = Filter;
es_format_Init( &p_sys->fmt_in, 0, 0 );
es_format_Init( &p_sys->fmt_out, 0, 0 );
if( CheckInit( p_filter ) != VLC_SUCCESS )
{
if( p_sys->p_src_filter ) sws_freeFilter( p_sys->p_src_filter );
free( p_sys );
return VLC_EGENERIC;
}
msg_Dbg( p_filter, "%ix%i chroma: %4.4s -> %ix%i chroma: %4.4s",
p_filter->fmt_in.video.i_width, p_filter->fmt_in.video.i_height,
(char *)&p_filter->fmt_in.video.i_chroma,
p_filter->fmt_out.video.i_width, p_filter->fmt_out.video.i_height,
(char *)&p_filter->fmt_out.video.i_chroma );
if( p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width ||
p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height )
{
msg_Dbg( p_filter, "scaling mode: %s",
ppsz_mode_descriptions[i_sws_mode] );
}
return VLC_SUCCESS;
}
/*****************************************************************************
* CloseFilter: clean up the filter
*****************************************************************************/
void CloseScaler( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
if( p_sys->ctx ) sws_freeContext( p_sys->ctx );
if( p_sys->p_src_filter ) sws_freeFilter( p_sys->p_src_filter );
free( p_sys );
}
/*****************************************************************************
* CheckInit: Initialise filter when necessary
*****************************************************************************/
static int CheckInit( filter_t *p_filter )
{
filter_sys_t *p_sys = p_filter->p_sys;
if( ( p_filter->fmt_in.video.i_width != p_sys->fmt_in.video.i_width ) ||
( p_filter->fmt_in.video.i_height != p_sys->fmt_in.video.i_height ) ||
( p_filter->fmt_out.video.i_width != p_sys->fmt_out.video.i_width ) ||
( p_filter->fmt_out.video.i_height != p_sys->fmt_out.video.i_height ) )
{
int i_fmt_in, i_fmt_out;
i_fmt_in = GetFfmpegChroma(p_filter->fmt_in.video.i_chroma);
i_fmt_out = GetFfmpegChroma(p_filter->fmt_out.video.i_chroma);
if( (i_fmt_in < 0) || (i_fmt_out < 0) )
{
msg_Err( p_filter, "format not supported" );
return VLC_EGENERIC;
}
if( p_sys->ctx ) sws_freeContext( p_sys->ctx );
p_sys->ctx =
sws_getContext( p_filter->fmt_in.video.i_width,
p_filter->fmt_in.video.i_height, i_fmt_in,
p_filter->fmt_out.video.i_width,
p_filter->fmt_out.video.i_height, i_fmt_out,
p_sys->i_sws_flags | p_sys->i_cpu_mask,
p_sys->p_src_filter, p_sys->p_dst_filter, 0 );
if( !p_sys->ctx )
{
msg_Err( p_filter, "could not init SwScaler" );
return VLC_EGENERIC;
}
p_sys->fmt_in = p_filter->fmt_in;
p_sys->fmt_out = p_filter->fmt_out;
}
return VLC_SUCCESS;
}
/****************************************************************************
* Filter: the whole thing
****************************************************************************
* This function is called just after the thread is launched.
****************************************************************************/
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
{
filter_sys_t *p_sys = p_filter->p_sys;
uint8_t *src[3]; int src_stride[3];
uint8_t *dst[3]; int dst_stride[3];
picture_t *p_pic_dst;
int i_plane;
int i_nb_planes = p_pic->i_planes;
/* Check if format properties changed */
if( CheckInit( p_filter ) != VLC_SUCCESS ) return NULL;
/* 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;
}
if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','V','A') )
{
i_nb_planes = 3;
memset( p_pic_dst->p[3].p_pixels, 0xff, p_filter->fmt_out.video.i_height
* p_pic_dst->p[3].i_pitch );
}
for( i_plane = 0; i_plane < __MIN(3, p_pic->i_planes); i_plane++ )
{
src[i_plane] = p_pic->p[i_plane].p_pixels;
src_stride[i_plane] = p_pic->p[i_plane].i_pitch;
}
for( i_plane = 0; i_plane < __MIN(3, i_nb_planes); i_plane++ )
{
dst[i_plane] = p_pic_dst->p[i_plane].p_pixels;
dst_stride[i_plane] = p_pic_dst->p[i_plane].i_pitch;
}
#if LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0)
sws_scale( p_sys->ctx, src, src_stride,
0, p_filter->fmt_in.video.i_height,
dst, dst_stride );
#else
sws_scale_ordered( p_sys->ctx, src, src_stride,
0, p_filter->fmt_in.video.i_height,
dst, dst_stride );
#endif
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 = p_pic->b_progressive;
p_pic_dst->b_top_field_first = p_pic->b_top_field_first;
if( p_pic->pf_release )
p_pic->pf_release( p_pic );
return p_pic_dst;
}
#else /* LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0) */
int OpenScaler( vlc_object_t *p_this )
{
return VLC_EGENERIC;
}
void CloseScaler( vlc_object_t *p_this )
{
}
#endif /* LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0) */
......@@ -31,12 +31,30 @@
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout.h>
#include <vlc_filter.h>
#include "swscale.h"
#ifdef HAVE_LIBSWSCALE_SWSCALE_H
# include <libswscale/swscale.h>
#elif defined(HAVE_FFMPEG_SWSCALE_H)
# include <ffmpeg/swscale.h>
#endif
#include "chroma.h"
/****************************************************************************
* Local prototypes
****************************************************************************/
static int OpenScaler( vlc_object_t * );
static void CloseScaler( vlc_object_t * );
void *( *swscale_fast_memcpy )( void *, const void *, size_t );
static picture_t *Filter( filter_t *, picture_t * );
static int CheckInit( filter_t * );
#define SCALEMODE_TEXT N_("Scaling mode")
#define SCALEMODE_LONGTEXT N_("Scaling mode to use.")
static const int pi_mode_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
const char *const ppsz_mode_descriptions[] =
{ N_("Fast bilinear"), N_("Bilinear"), N_("Bicubic (good quality)"),
......@@ -44,6 +62,7 @@ const char *const ppsz_mode_descriptions[] =
N_("Area"), N_("Luma bicubic / chroma bilinear"), N_("Gauss"),
N_("SincR"), N_("Lanczos"), N_("Bicubic spline") };
/*****************************************************************************
* Module descriptor
*****************************************************************************/
......@@ -56,3 +75,268 @@ vlc_module_begin();
add_integer( "swscale-mode", 0, NULL, SCALEMODE_TEXT, SCALEMODE_LONGTEXT, true );
change_integer_list( pi_mode_values, ppsz_mode_descriptions, 0 );
vlc_module_end();
/* Version checking */
#if LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0)
/*****************************************************************************
* filter_sys_t : filter descriptor
*****************************************************************************/
struct filter_sys_t
{
struct SwsContext *ctx;
SwsFilter *p_src_filter;
SwsFilter *p_dst_filter;
int i_cpu_mask, i_sws_flags;
es_format_t fmt_in;
es_format_t fmt_out;
};
/*****************************************************************************
* OpenScaler: probe the filter and return score
*****************************************************************************/
static int OpenScaler( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys;
vlc_value_t val;
int i_fmt_in, i_fmt_out;
unsigned int i_cpu;
int i_sws_mode;
float sws_lum_gblur = 0.0, sws_chr_gblur = 0.0;
int sws_chr_vshift = 0, sws_chr_hshift = 0;
float sws_chr_sharpen = 0.0, sws_lum_sharpen = 0.0;
/* Supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24,
* BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09 */
i_fmt_in = GetFfmpegChroma(p_filter->fmt_in.video.i_chroma);
/* Supported output formats: YV12, I420/IYUV, YUY2, UYVY,
* {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 */
i_fmt_out = GetFfmpegChroma(p_filter->fmt_out.video.i_chroma);
if( ( i_fmt_in < 0 ) || ( i_fmt_out < 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 )
{
return VLC_ENOMEM;
}
swscale_fast_memcpy = vlc_memcpy;
/* Set CPU capabilities */
i_cpu = vlc_CPU();
p_sys->i_cpu_mask = 0;
if( i_cpu & CPU_CAPABILITY_MMX )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_MMX;
}
#if (LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0))
if( i_cpu & CPU_CAPABILITY_MMXEXT )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_MMX2;
}
#endif
if( i_cpu & CPU_CAPABILITY_3DNOW )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_3DNOW;
}
if( i_cpu & CPU_CAPABILITY_ALTIVEC )
{
p_sys->i_cpu_mask |= SWS_CPU_CAPS_ALTIVEC;
}
var_Create( p_filter, "swscale-mode", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
var_Get( p_filter, "swscale-mode", &val );
i_sws_mode = val.i_int;
switch( i_sws_mode )
{
case 0: p_sys->i_sws_flags = SWS_FAST_BILINEAR; break;
case 1: p_sys->i_sws_flags = SWS_BILINEAR; break;
case 2: p_sys->i_sws_flags = SWS_BICUBIC; break;
case 3: p_sys->i_sws_flags = SWS_X; break;
case 4: p_sys->i_sws_flags = SWS_POINT; break;
case 5: p_sys->i_sws_flags = SWS_AREA; break;
case 6: p_sys->i_sws_flags = SWS_BICUBLIN; break;
case 7: p_sys->i_sws_flags = SWS_GAUSS; break;
case 8: p_sys->i_sws_flags = SWS_SINC; break;
case 9: p_sys->i_sws_flags = SWS_LANCZOS; break;
case 10: p_sys->i_sws_flags = SWS_SPLINE; break;
default: p_sys->i_sws_flags = SWS_FAST_BILINEAR; i_sws_mode = 0; break;
}
p_sys->p_src_filter = NULL;
p_sys->p_dst_filter = NULL;
p_sys->p_src_filter =
sws_getDefaultFilter( sws_lum_gblur, sws_chr_gblur,
sws_lum_sharpen, sws_chr_sharpen,
sws_chr_hshift, sws_chr_vshift, 0 );
/* Misc init */
p_sys->ctx = NULL;
p_filter->pf_video_filter = Filter;
es_format_Init( &p_sys->fmt_in, 0, 0 );
es_format_Init( &p_sys->fmt_out, 0, 0 );
if( CheckInit( p_filter ) != VLC_SUCCESS )
{
if( p_sys->p_src_filter ) sws_freeFilter( p_sys->p_src_filter );
free( p_sys );
return VLC_EGENERIC;
}
msg_Dbg( p_filter, "%ix%i chroma: %4.4s -> %ix%i chroma: %4.4s",
p_filter->fmt_in.video.i_width, p_filter->fmt_in.video.i_height,
(char *)&p_filter->fmt_in.video.i_chroma,
p_filter->fmt_out.video.i_width, p_filter->fmt_out.video.i_height,
(char *)&p_filter->fmt_out.video.i_chroma );
if( p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width ||
p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height )
{
msg_Dbg( p_filter, "scaling mode: %s",
ppsz_mode_descriptions[i_sws_mode] );
}
return VLC_SUCCESS;
}
/*****************************************************************************
* CloseFilter: clean up the filter
*****************************************************************************/
static void CloseScaler( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
if( p_sys->ctx ) sws_freeContext( p_sys->ctx );
if( p_sys->p_src_filter ) sws_freeFilter( p_sys->p_src_filter );
free( p_sys );
}
/*****************************************************************************
* CheckInit: Initialise filter when necessary
*****************************************************************************/
static int CheckInit( filter_t *p_filter )
{
filter_sys_t *p_sys = p_filter->p_sys;
if( ( p_filter->fmt_in.video.i_width != p_sys->fmt_in.video.i_width ) ||
( p_filter->fmt_in.video.i_height != p_sys->fmt_in.video.i_height ) ||
( p_filter->fmt_out.video.i_width != p_sys->fmt_out.video.i_width ) ||
( p_filter->fmt_out.video.i_height != p_sys->fmt_out.video.i_height ) )
{
int i_fmt_in, i_fmt_out;
i_fmt_in = GetFfmpegChroma(p_filter->fmt_in.video.i_chroma);
i_fmt_out = GetFfmpegChroma(p_filter->fmt_out.video.i_chroma);
if( (i_fmt_in < 0) || (i_fmt_out < 0) )
{
msg_Err( p_filter, "format not supported" );
return VLC_EGENERIC;
}
if( p_sys->ctx ) sws_freeContext( p_sys->ctx );
p_sys->ctx =
sws_getContext( p_filter->fmt_in.video.i_width,
p_filter->fmt_in.video.i_height, i_fmt_in,
p_filter->fmt_out.video.i_width,
p_filter->fmt_out.video.i_height, i_fmt_out,
p_sys->i_sws_flags | p_sys->i_cpu_mask,
p_sys->p_src_filter, p_sys->p_dst_filter, 0 );
if( !p_sys->ctx )
{
msg_Err( p_filter, "could not init SwScaler" );
return VLC_EGENERIC;
}
p_sys->fmt_in = p_filter->fmt_in;
p_sys->fmt_out = p_filter->fmt_out;
}
return VLC_SUCCESS;
}
/****************************************************************************
* Filter: the whole thing
****************************************************************************
* This function is called just after the thread is launched.
****************************************************************************/
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
{
filter_sys_t *p_sys = p_filter->p_sys;
uint8_t *src[3]; int src_stride[3];
uint8_t *dst[3]; int dst_stride[3];
picture_t *p_pic_dst;
int i_plane;
int i_nb_planes = p_pic->i_planes;
/* Check if format properties changed */
if( CheckInit( p_filter ) != VLC_SUCCESS ) return NULL;
/* 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;
}
if( p_filter->fmt_out.video.i_chroma == VLC_FOURCC('Y','U','V','A') )
{
i_nb_planes = 3;
memset( p_pic_dst->p[3].p_pixels, 0xff, p_filter->fmt_out.video.i_height
* p_pic_dst->p[3].i_pitch );
}
for( i_plane = 0; i_plane < __MIN(3, p_pic->i_planes); i_plane++ )
{
src[i_plane] = p_pic->p[i_plane].p_pixels;
src_stride[i_plane] = p_pic->p[i_plane].i_pitch;
}
for( i_plane = 0; i_plane < __MIN(3, i_nb_planes); i_plane++ )
{
dst[i_plane] = p_pic_dst->p[i_plane].p_pixels;
dst_stride[i_plane] = p_pic_dst->p[i_plane].i_pitch;
}
#if LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0)
sws_scale( p_sys->ctx, src, src_stride,
0, p_filter->fmt_in.video.i_height,
dst, dst_stride );
#else
sws_scale_ordered( p_sys->ctx, src, src_stride,
0, p_filter->fmt_in.video.i_height,
dst, dst_stride );
#endif
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 = p_pic->b_progressive;
p_pic_dst->b_top_field_first = p_pic->b_top_field_first;
if( p_pic->pf_release )
p_pic->pf_release( p_pic );
return p_pic_dst;
}
#else /* LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0) */
int OpenScaler( vlc_object_t *p_this )
{
return VLC_EGENERIC;
}
void CloseScaler( vlc_object_t *p_this )
{
}