/*****************************************************************************
* swscale.c: scaling and chroma conversion using libswscale
*****************************************************************************
- * Copyright (C) 1999-2008 the VideoLAN team
+ * Copyright (C) 1999-2008 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
/*****************************************************************************
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+#include <assert.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_vout.h>
#include <vlc_filter.h>
+#include <vlc_cpu.h>
-#ifdef HAVE_LIBSWSCALE_SWSCALE_H
-# include <libswscale/swscale.h>
-# include <libavcodec/avcodec.h>
-#elif defined(HAVE_FFMPEG_SWSCALE_H)
-# include <ffmpeg/swscale.h>
-# include <ffmpeg/avcodec.h>
+#include <libswscale/swscale.h>
+
+#ifdef __APPLE__
+# include <TargetConditionals.h>
#endif
+#include "../codec/avcodec/chroma.h" // Chroma Avutil <-> VLC conversion
+
/* Gruikkkkkkkkkk!!!!! */
-#include "../codec/avcodec/avcodec.h"
#undef AVPALETTE_SIZE
-
#define AVPALETTE_SIZE (256 * sizeof(uint32_t))
/*****************************************************************************
vlc_module_begin ()
set_description( N_("Video scaling filter") )
+ set_shortname( N_("Swscale" ) )
set_capability( "video filter2", 150 )
set_category( CAT_VIDEO )
set_subcategory( SUBCAT_VIDEO_VFILTER )
set_callbacks( OpenScaler, CloseScaler )
- add_integer( "swscale-mode", 2, NULL, SCALEMODE_TEXT, SCALEMODE_LONGTEXT, true )
- change_integer_list( pi_mode_values, ppsz_mode_descriptions, NULL );
+ add_integer( "swscale-mode", 2, SCALEMODE_TEXT, SCALEMODE_LONGTEXT, true )
+ change_integer_list( pi_mode_values, ppsz_mode_descriptions )
vlc_module_end ()
/* Version checking */
* Local prototypes
****************************************************************************/
-void *( *swscale_fast_memcpy )( void *, const void *, size_t );
-
/**
* Internal swscale filter structure.
*/
picture_t *p_dst_e;
bool b_add_a;
bool b_copy;
+ bool b_swap_uvi;
+ bool b_swap_uvo;
};
static picture_t *Filter( filter_t *, picture_t * );
bool b_add_a;
int i_sws_flags;
bool b_copy;
+ bool b_swap_uvi;
+ bool b_swap_uvo;
} ScalerConfiguration;
static int GetParameters( ScalerConfiguration *,
if( ( p_filter->p_sys = p_sys = malloc(sizeof(filter_sys_t)) ) == NULL )
return VLC_ENOMEM;
- /* FIXME pointer assignment may not be atomic */
- swscale_fast_memcpy = vlc_memcpy;
-
/* Set CPU capabilities */
p_sys->i_cpu_mask = GetSwsCpuMask();
*****************************************************************************/
static int GetSwsCpuMask(void)
{
- const unsigned int i_cpu = vlc_CPU();
int i_sws_cpu = 0;
- if( i_cpu & CPU_CAPABILITY_MMX )
+#if defined(__i386__) || defined(__x86_64__)
+ if( vlc_CPU_MMX() )
i_sws_cpu |= SWS_CPU_CAPS_MMX;
#if (LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0))
- if( i_cpu & CPU_CAPABILITY_MMXEXT )
+ if( vlc_CPU_MMXEXT() )
i_sws_cpu |= SWS_CPU_CAPS_MMX2;
#endif
- if( i_cpu & CPU_CAPABILITY_3DNOW )
+ if( vlc_CPU_3dNOW() )
i_sws_cpu |= SWS_CPU_CAPS_3DNOW;
-
- if( i_cpu & CPU_CAPABILITY_ALTIVEC )
+#elif defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__)
+ if( vlc_CPU_ALTIVEC() )
i_sws_cpu |= SWS_CPU_CAPS_ALTIVEC;
+#endif
return i_sws_cpu;
}
p_fmt1->i_height == p_fmt2->i_height;
}
+static void FixParameters( int *pi_fmt, bool *pb_has_a, bool *pb_swap_uv, vlc_fourcc_t fmt )
+{
+ switch( fmt )
+ {
+ case VLC_CODEC_YUVA:
+ *pi_fmt = PIX_FMT_YUV444P;
+ *pb_has_a = true;
+ break;
+ case VLC_CODEC_RGBA:
+ *pi_fmt = PIX_FMT_BGR32;
+ *pb_has_a = true;
+ break;
+ case VLC_CODEC_YV12:
+ *pi_fmt = PIX_FMT_YUV420P;
+ *pb_swap_uv = true;
+ break;
+ case VLC_CODEC_YV9:
+ *pi_fmt = PIX_FMT_YUV410P;
+ *pb_swap_uv = true;
+ break;
+ default:
+ break;
+ }
+}
+
static int GetParameters( ScalerConfiguration *p_cfg,
const video_format_t *p_fmti,
const video_format_t *p_fmto,
bool b_has_ai = false;
bool b_has_ao = false;
int i_sws_flags = i_sws_flags_default;
+ bool b_swap_uvi = false;
+ bool b_swap_uvo = false;
- GetFfmpegChroma( &i_fmti, *p_fmti );
- GetFfmpegChroma( &i_fmto, *p_fmto );
+ GetFfmpegChroma( &i_fmti, p_fmti );
+ GetFfmpegChroma( &i_fmto, p_fmto );
if( p_fmti->i_chroma == p_fmto->i_chroma )
{
- if( p_fmti->i_chroma == VLC_FOURCC( 'Y', 'U', 'V', 'P' ) && ALLOW_YUVP )
+ if( p_fmti->i_chroma == VLC_CODEC_YUVP && ALLOW_YUVP )
{
i_fmti = i_fmto = PIX_FMT_GRAY8;
i_sws_flags = SWS_POINT;
}
}
- if( p_fmti->i_chroma == VLC_FOURCC( 'Y', 'U', 'V', 'A' ) )
- {
- i_fmti = PIX_FMT_YUV444P;
- b_has_ai = true;
- }
- else if( p_fmti->i_chroma == VLC_FOURCC( 'R', 'G', 'B', 'A' ) )
- {
- i_fmti = PIX_FMT_BGR32;
- b_has_ai = true;
- }
+ FixParameters( &i_fmti, &b_has_ai, &b_swap_uvi, p_fmti->i_chroma );
+ FixParameters( &i_fmto, &b_has_ao, &b_swap_uvo, p_fmto->i_chroma );
- if( p_fmto->i_chroma == VLC_FOURCC( 'Y', 'U', 'V', 'A' ) )
- {
- i_fmto = PIX_FMT_YUV444P;
- b_has_ao = true;
- }
- else if( p_fmto->i_chroma == VLC_FOURCC( 'R', 'G', 'B', 'A' ) )
+#if !defined (__ANDROID__) && !defined(TARGET_OS_IPHONE)
+ /* FIXME TODO removed when ffmpeg is fixed
+ * Without SWS_ACCURATE_RND the quality is really bad for some conversions */
+ switch( i_fmto )
{
- i_fmto = PIX_FMT_BGR32;
- b_has_ao = true;
+ case PIX_FMT_ARGB:
+ case PIX_FMT_RGBA:
+ case PIX_FMT_ABGR:
+ i_sws_flags |= SWS_ACCURATE_RND;
+ break;
}
+#endif
if( p_cfg )
{
p_cfg->i_fmto = i_fmto;
p_cfg->b_has_a = b_has_ai && b_has_ao;
p_cfg->b_add_a = (!b_has_ai) && b_has_ao;
- p_cfg->b_copy = i_fmti == i_fmto && p_fmti->i_width == p_fmto->i_width && p_fmti->i_height == p_fmto->i_height;
+ p_cfg->b_copy = i_fmti == i_fmto &&
+ p_fmti->i_width == p_fmto->i_width &&
+ p_fmti->i_height == p_fmto->i_height;
+ p_cfg->b_swap_uvi = b_swap_uvi;
+ p_cfg->b_swap_uvo = b_swap_uvo;
p_cfg->i_sws_flags = i_sws_flags;
}
{
filter_sys_t *p_sys = p_filter->p_sys;
const video_format_t *p_fmti = &p_filter->fmt_in.video;
- const video_format_t *p_fmto = &p_filter->fmt_out.video;
+ video_format_t *p_fmto = &p_filter->fmt_out.video;
if( IsFmtSimilar( p_fmti, &p_sys->fmt_in ) &&
IsFmtSimilar( p_fmto, &p_sys->fmt_out ) &&
}
if( p_sys->ctxA )
{
- p_sys->p_src_a = picture_New( VLC_FOURCC( 'G', 'R', 'E', 'Y' ), i_fmti_width, p_fmti->i_height, 0 );
- p_sys->p_dst_a = picture_New( VLC_FOURCC( 'G', 'R', 'E', 'Y' ), i_fmto_width, p_fmto->i_height, 0 );
+ p_sys->p_src_a = picture_New( VLC_CODEC_GREY, i_fmti_width, p_fmti->i_height, 0, 1 );
+ p_sys->p_dst_a = picture_New( VLC_CODEC_GREY, i_fmto_width, p_fmto->i_height, 0, 1 );
}
if( p_sys->i_extend_factor != 1 )
{
- p_sys->p_src_e = picture_New( p_fmti->i_chroma, i_fmti_width, p_fmti->i_height, 0 );
- p_sys->p_dst_e = picture_New( p_fmto->i_chroma, i_fmto_width, p_fmto->i_height, 0 );
+ p_sys->p_src_e = picture_New( p_fmti->i_chroma, i_fmti_width, p_fmti->i_height, 0, 1 );
+ p_sys->p_dst_e = picture_New( p_fmto->i_chroma, i_fmto_width, p_fmto->i_height, 0, 1 );
- memset( p_sys->p_src_e->p[0].p_pixels, 0, p_sys->p_src_e->p[0].i_pitch * p_sys->p_src_e->p[0].i_lines );
- memset( p_sys->p_dst_e->p[0].p_pixels, 0, p_sys->p_dst_e->p[0].i_pitch * p_sys->p_dst_e->p[0].i_lines );
+ if( p_sys->p_src_e )
+ memset( p_sys->p_src_e->p[0].p_pixels, 0, p_sys->p_src_e->p[0].i_pitch * p_sys->p_src_e->p[0].i_lines );
+ if( p_sys->p_dst_e )
+ memset( p_sys->p_dst_e->p[0].p_pixels, 0, p_sys->p_dst_e->p[0].i_pitch * p_sys->p_dst_e->p[0].i_lines );
}
if( !p_sys->ctx ||
p_sys->b_copy = cfg.b_copy;
p_sys->fmt_in = *p_fmti;
p_sys->fmt_out = *p_fmto;
+ p_sys->b_swap_uvi = cfg.b_swap_uvi;
+ p_sys->b_swap_uvo = cfg.b_swap_uvo;
+ video_format_ScaleCropAr( p_fmto, p_fmti );
#if 0
msg_Dbg( p_filter, "%ix%i chroma: %4.4s -> %ix%i chroma: %4.4s extend by %d",
p_fmti->i_width, p_fmti->i_height, (char *)&p_fmti->i_chroma,
p_sys->p_dst_e = NULL;
}
-static void GetPixels( uint8_t *pp_pixel[3], int pi_pitch[3],
+static void GetPixels( uint8_t *pp_pixel[4], int pi_pitch[4],
const picture_t *p_picture,
- int i_plane_start, int i_plane_count )
+ int i_plane_start, int i_plane_count,
+ bool b_swap_uv )
{
+ assert( !b_swap_uv || i_plane_count >= 3 );
int n;
for( n = 0; n < __MIN(i_plane_count, p_picture->i_planes-i_plane_start ); n++ )
{
- pp_pixel[n] = p_picture->p[i_plane_start+n].p_pixels;
- pi_pitch[n] = p_picture->p[i_plane_start+n].i_pitch;
+ const int nd = ( b_swap_uv && n >= 1 && n <= 2 ) ? (3 - n) : n;
+ pp_pixel[nd] = p_picture->p[i_plane_start+n].p_pixels;
+ pi_pitch[nd] = p_picture->p[i_plane_start+n].i_pitch;
}
- for( ; n < 3; n++ )
+ for( ; n < 4; n++ )
{
pp_pixel[n] = NULL;
pi_pitch[n] = 0;
}
}
+static void SwapUV( picture_t *p_dst, const picture_t *p_src )
+{
+ picture_t tmp = *p_src;
+ tmp.p[1] = p_src->p[2];
+ tmp.p[2] = p_src->p[1];
+
+ picture_CopyPixels( p_dst, &tmp );
+}
static void Convert( filter_t *p_filter, struct SwsContext *ctx,
- picture_t *p_dst, picture_t *p_src, int i_height, int i_plane_start, int i_plane_count )
+ picture_t *p_dst, picture_t *p_src, int i_height, int i_plane_start, int i_plane_count,
+ bool b_swap_uvi, bool b_swap_uvo )
{
uint8_t palette[AVPALETTE_SIZE];
- uint8_t *src[3]; int src_stride[3];
- uint8_t *dst[3]; int dst_stride[3];
+ uint8_t *src[4]; int src_stride[4];
+ uint8_t *dst[4]; int dst_stride[4];
- GetPixels( src, src_stride, p_src, i_plane_start, i_plane_count );
- if( p_filter->fmt_in.video.i_chroma == VLC_FOURCC( 'R', 'G', 'B', 'P' ) )
+ GetPixels( src, src_stride, p_src, i_plane_start, i_plane_count, b_swap_uvi );
+ if( p_filter->fmt_in.video.i_chroma == VLC_CODEC_RGBP )
{
memset( palette, 0, sizeof(palette) );
if( p_filter->fmt_in.video.p_palette )
src_stride[1] = 4;
}
- GetPixels( dst, dst_stride, p_dst, i_plane_start, i_plane_count );
+ GetPixels( dst, dst_stride, p_dst, i_plane_start, i_plane_count, b_swap_uvo );
#if LIBSWSCALE_VERSION_INT >= ((0<<16)+(5<<8)+0)
sws_scale( ctx, src, src_stride, 0, i_height,
CopyPad( p_src, p_pic );
}
- if( p_sys->b_copy )
+ if( p_sys->b_copy && p_sys->b_swap_uvi == p_sys->b_swap_uvo )
picture_CopyPixels( p_dst, p_src );
+ else if( p_sys->b_copy )
+ SwapUV( p_dst, p_src );
else
- Convert( p_filter, p_sys->ctx, p_dst, p_src, p_fmti->i_height, 0, 3 );
+ Convert( p_filter, p_sys->ctx, p_dst, p_src, p_fmti->i_height, 0, 3,
+ p_sys->b_swap_uvi, p_sys->b_swap_uvo );
if( p_sys->ctxA )
{
/* We extract the A plane to rescale it, and then we reinject it. */
- if( p_fmti->i_chroma == VLC_FOURCC( 'R', 'G', 'B', 'A' ) )
+ if( p_fmti->i_chroma == VLC_CODEC_RGBA )
ExtractA( p_sys->p_src_a, p_src, p_fmti->i_width * p_sys->i_extend_factor, p_fmti->i_height );
else
plane_CopyPixels( p_sys->p_src_a->p, p_src->p+A_PLANE );
- Convert( p_filter, p_sys->ctxA, p_sys->p_dst_a, p_sys->p_src_a, p_fmti->i_height, 0, 1 );
- if( p_fmto->i_chroma == VLC_FOURCC( 'R', 'G', 'B', 'A' ) )
+ Convert( p_filter, p_sys->ctxA, p_sys->p_dst_a, p_sys->p_src_a, p_fmti->i_height, 0, 1, false, false );
+ if( p_fmto->i_chroma == VLC_CODEC_RGBA )
InjectA( p_dst, p_sys->p_dst_a, p_fmto->i_width * p_sys->i_extend_factor, p_fmto->i_height );
else
plane_CopyPixels( p_dst->p+A_PLANE, p_sys->p_dst_a->p );
else if( p_sys->b_add_a )
{
/* We inject a complete opaque alpha plane */
- if( p_fmto->i_chroma == VLC_FOURCC( 'R', 'G', 'B', 'A' ) )
+ if( p_fmto->i_chroma == VLC_CODEC_RGBA )
FillA( &p_dst->p[0], OFFSET_A );
else
FillA( &p_dst->p[A_PLANE], 0 );
projects / vlc / blobdiff