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Split i422->packed YUV and i422->planar YUV. Add i422->YUVA. This still needs some testing.

This commit is contained in:
Antoine Cellerier 2007-11-25 13:32:20 +00:00
parent 1689169ec7
commit 37becd478f
4 changed files with 176 additions and 40 deletions
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2
configure.ac
View File

@ -1262,7 +1262,7 @@ if test "${SYS}" != "mingwce"; then
VLC_ADD_PLUGINS([access_fake access_filter_timeshift access_filter_record access_filter_dump])
VLC_ADD_PLUGINS([gestures rc telnet hotkeys showintf marq podcast shout sap fake folder])
VLC_ADD_PLUGINS([rss mosaic wall motiondetect clone crop erase bluescreen alphamask gaussianblur])
VLC_ADD_PLUGINS([i420_yuy2 i422_yuy2 i420_ymga])
VLC_ADD_PLUGINS([i420_yuy2 i422_yuy2 i420_ymga i422_i420])
VLC_ADD_PLUGINS([aout_file linear_resampler bandlimited_resampler])
VLC_ADD_PLUGINS([float32_mixer spdif_mixer simple_channel_mixer])
VLC_ADD_PLUGINS([dolby_surround_decoder headphone_channel_mixer normvol equalizer param_eq])

4
modules/video_chroma/Modules.am
View File

@ -55,6 +55,10 @@ SOURCES_i422_yuy2_sse2 = \
i422_yuy2.h \
$(NULL)
SOURCES_i422_i420 = \
i422_i420.c \
$(NULL)
SOURCES_i420_ymga = \
i420_ymga.c \
$(NULL)

170
modules/video_chroma/i422_i420.c Normal file
View File

@ -0,0 +1,170 @@
/*****************************************************************************
* i422_i420.c : Planar YUV 4:2:2 to Planar YUV 4:2:0 conversion module for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 - 2007 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Damien Fouilleul <damienf@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_vout.h>
#define SRC_FOURCC "I422,J422"
#define DEST_FOURCC "I420,IYUV,J420,YV12,YUVA"
/*****************************************************************************
* Local and extern prototypes.
*****************************************************************************/
static int Activate ( vlc_object_t * );
static void I422_I420( vout_thread_t *, picture_t *, picture_t * );
static void I422_YV12( vout_thread_t *, picture_t *, picture_t * );
static void I422_YUVA( vout_thread_t *, picture_t *, picture_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("Conversions from " SRC_FOURCC " to " DEST_FOURCC) );
set_capability( "chroma", 60 );
set_callbacks( Activate, NULL );
vlc_module_end();
/*****************************************************************************
* Activate: allocate a chroma function
*****************************************************************************
* This function allocates and initializes a chroma function
*****************************************************************************/
static int Activate( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
if( p_vout->render.i_width & 1 || p_vout->render.i_height & 1 )
{
return -1;
}
switch( p_vout->render.i_chroma )
{
case VLC_FOURCC('I','4','2','2'):
case VLC_FOURCC('J','4','2','2'):
switch( p_vout->output.i_chroma )
{
case VLC_FOURCC('I','4','2','0'):
case VLC_FOURCC('I','Y','U','V'):
case VLC_FOURCC('J','4','2','0'):
p_vout->chroma.pf_convert = I422_I420;
break;
case VLC_FOURCC('Y','V','1','2'):
p_vout->chroma.pf_convert = I422_YV12;
break;
case VLC_FOURCC('Y','U','V','A'):
p_vout->chroma.pf_convert = I422_YUVA;
break;
default:
return -1;
}
break;
default:
return -1;
}
return 0;
}
/* Following functions are local */
/*****************************************************************************
* I422_I420: planar YUV 4:2:2 to planar I420 4:2:0 Y:U:V
*****************************************************************************/
static void I422_I420( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
uint16_t i_dpy = p_dest->p[Y_PLANE].i_pitch;
uint16_t i_spy = p_source->p[Y_PLANE].i_pitch;
uint16_t i_dpuv = p_dest->p[U_PLANE].i_pitch;
uint16_t i_spuv = p_source->p[U_PLANE].i_pitch;
uint16_t i_width = p_vout->render.i_width;
uint16_t i_y = p_vout->render.i_height;
uint8_t *p_dy = p_dest->Y_PIXELS + (i_y-1)*i_dpy;
uint8_t *p_y = p_source->Y_PIXELS + (i_y-1)*i_spy;
uint8_t *p_du = p_dest->U_PIXELS + (i_y/2-1)*i_dpuv;
uint8_t *p_u = p_source->U_PIXELS + (i_y-1)*i_spuv;
uint8_t *p_dv = p_dest->V_PIXELS + (i_y/2-1)*i_dpuv;
uint8_t *p_v = p_source->V_PIXELS + (i_y-1)*i_spuv;
void *(*pf_memcpy)(void *, const void *, size_t) = p_vout->p_libvlc->pf_memcpy;
i_y /= 2;
for ( ; i_y--; )
{
pf_memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
pf_memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
pf_memcpy(p_du, p_u, i_width/2); p_du -= i_dpuv; p_u -= 2*i_spuv;
pf_memcpy(p_dv, p_v, i_width/2); p_dv -= i_dpuv; p_v -= 2*i_spuv;
}
}
/*****************************************************************************
* I422_YV12: planar YUV 4:2:2 to planar YV12 4:2:0 Y:V:U
*****************************************************************************/
static void I422_YV12( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
uint16_t i_dpy = p_dest->p[Y_PLANE].i_pitch;
uint16_t i_spy = p_source->p[Y_PLANE].i_pitch;
uint16_t i_dpuv = p_dest->p[U_PLANE].i_pitch;
uint16_t i_spuv = p_source->p[U_PLANE].i_pitch;
uint16_t i_width = p_vout->render.i_width;
uint16_t i_y = p_vout->render.i_height;
uint8_t *p_dy = p_dest->Y_PIXELS + (i_y-1)*i_dpy;
uint8_t *p_y = p_source->Y_PIXELS + (i_y-1)*i_spy;
uint8_t *p_du = p_dest->V_PIXELS + (i_y/2-1)*i_dpuv; /* U and V are swapped */
uint8_t *p_u = p_source->U_PIXELS + (i_y-1)*i_spuv;
uint8_t *p_dv = p_dest->U_PIXELS + (i_y/2-1)*i_dpuv; /* U and V are swapped */
uint8_t *p_v = p_source->V_PIXELS + (i_y-1)*i_spuv;
void *(*pf_memcpy)(void *, const void *, size_t) = p_vout->p_libvlc->pf_memcpy;
i_y /= 2;
for ( ; i_y--; )
{
pf_memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
pf_memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
pf_memcpy(p_du, p_u, i_width/2); p_du -= i_dpuv; p_u -= 2*i_spuv;
pf_memcpy(p_dv, p_v, i_width/2); p_dv -= i_dpuv; p_v -= 2*i_spuv;
}
}
/*****************************************************************************
* I422_YUVA: planar YUV 4:2:2 to planar YUVA 4:2:0:4 Y:U:V:A
*****************************************************************************/
static void I422_YUVA( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
I422_I420( p_vout, p_source, p_dest );
p_vout->p_libvlc->pf_memset( p_dest->p[A_PLANE].p_pixels, 0xff,
p_dest->p[A_PLANE].i_lines
* p_dest->p[A_PLANE].i_pitch );
}

40
modules/video_chroma/i422_yuy2.c
View File

@ -1,5 +1,5 @@
/*****************************************************************************
* i422_yuy2.c : YUV to YUV conversion module for vlc
* i422_yuy2.c : Planar YUV 4:2:2 to Packed YUV conversion module for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 the VideoLAN team
* $Id$
@ -51,7 +51,6 @@ static void I422_cyuv ( vout_thread_t *, picture_t *, picture_t * );
#if defined (MODULE_NAME_IS_i422_yuy2)
static void I422_Y211 ( vout_thread_t *, picture_t *, picture_t * );
static void I422_Y211 ( vout_thread_t *, picture_t *, picture_t * );
static void I422_YV12 ( vout_thread_t *, picture_t *, picture_t * );
#endif
/*****************************************************************************
@ -119,10 +118,6 @@ static int Activate( vlc_object_t *p_this )
case VLC_FOURCC('Y','2','1','1'):
p_vout->chroma.pf_convert = I422_Y211;
break;
case VLC_FOURCC('Y','V','1','2'):
p_vout->chroma.pf_convert = I422_YV12;
break;
#endif
default:
@ -548,36 +543,3 @@ static void I422_Y211( vout_thread_t *p_vout, picture_t *p_source,
}
}
#endif
/*****************************************************************************
* I422_YV12: planar YUV 4:2:2 to planar YV12
*****************************************************************************/
#if defined (MODULE_NAME_IS_i422_yuy2)
static void I422_YV12( vout_thread_t *p_vout, picture_t *p_source,
picture_t *p_dest )
{
uint16_t i_dpy = p_dest->p[Y_PLANE].i_pitch;
uint16_t i_spy = p_source->p[Y_PLANE].i_pitch;
uint16_t i_dpuv = p_dest->p[U_PLANE].i_pitch;
uint16_t i_spuv = p_source->p[U_PLANE].i_pitch;
uint16_t i_width = p_vout->render.i_width;
uint16_t i_y = p_vout->render.i_height;
uint8_t *p_dy = p_dest->Y_PIXELS + (i_y-1)*i_dpy;
uint8_t *p_y = p_source->Y_PIXELS + (i_y-1)*i_spy;
uint8_t *p_du = p_dest->U_PIXELS + (i_y/2-1)*i_dpuv;
uint8_t *p_u = p_source->U_PIXELS + (i_y-1)*i_spuv;
uint8_t *p_dv = p_dest->V_PIXELS + (i_y/2-1)*i_dpuv;
uint8_t *p_v = p_source->V_PIXELS + (i_y-1)*i_spuv;
i_y /= 2;
for ( ; i_y--; )
{
memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
memcpy(p_du, p_u, i_width/2); p_du -= i_dpuv; p_u -= 2*i_spuv;
memcpy(p_dv, p_v, i_width/2); p_dv -= i_dpuv; p_v -= 2*i_spuv;
}
}
#endif