Commit f068c802 authored by Simon Latapie's avatar Simon Latapie

YUV plans filter (modifies all 3 plans separatly)

parent c01dd5d3
......@@ -551,7 +551,7 @@ PLUGINS="${PLUGINS} es audio mpeg_system ps ts"
PLUGINS="${PLUGINS} idct idctclassic motion mpeg_video spudec mpeg_audio"
#PLUGINS="${PLUGINS} a52old imdct downmix"
PLUGINS="${PLUGINS} lpcm a52"
PLUGINS="${PLUGINS} deinterlace invert wall transform distort clone crop motionblur"
PLUGINS="${PLUGINS} deinterlace invert yuv wall transform distort clone crop motionblur"
PLUGINS="${PLUGINS} float32tos16 float32tos8 float32tou16 float32tou8 a52tospdif fixed32tofloat32 fixed32tos16 s16tofloat32 s16tofloat32swab"
PLUGINS="${PLUGINS} trivial_resampler ugly_resampler"
PLUGINS="${PLUGINS} trivial_channel_mixer"
......
SOURCES_transform = modules/video_filter/transform.c
SOURCES_invert = modules/video_filter/invert.c
SOURCES_yuv = modules/video_filter/yuv.c
SOURCES_distort = modules/video_filter/distort.c
SOURCES_wall = modules/video_filter/wall.c
SOURCES_clone = modules/video_filter/clone.c
......
/*****************************************************************************
* yuv.c : YUV plans modifier video plugin for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 VideoLAN
* $Id: yuv.c,v 1.1 2002/10/26 01:08:13 garf Exp $
*
* Authors: Simon Latapie <garf@via.ecp.fr>, Samuel Hocevar <sam@zoy.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <errno.h>
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <vlc/vlc.h>
#include <vlc/vout.h>
#include "filter_common.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
static int Init ( vout_thread_t * );
static void End ( vout_thread_t * );
static void Render ( vout_thread_t *, picture_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define Y_TEXT N_("Y plan modifier")
#define Y_LONGTEXT N_("between 0 and 255, default to 255")
#define Y_INV_TEXT N_("invert Y plan")
#define Y_INV_LONGTEXT N_("same function as invert filter")
#define U_TEXT N_("U plan modifier")
#define U_LONGTEXT N_("between 0 and 255, default to 255")
#define U_INV_TEXT N_("invert U plan")
#define U_INV_LONGTEXT N_("same function as invert filter")
#define V_TEXT N_("V plan modifier")
#define V_LONGTEXT N_("between 0 and 255, default to 255")
#define V_INV_TEXT N_("invert V plan")
#define V_INV_LONGTEXT N_("same function as invert filter")
vlc_module_begin();
add_category_hint( N_("Miscellaneous"), NULL );
add_integer( "Y plan", 255, NULL, Y_TEXT, Y_LONGTEXT );
add_bool( "invert Y", 0, NULL, Y_INV_TEXT, Y_INV_LONGTEXT );
add_integer( "U plan", 255, NULL, U_TEXT, U_LONGTEXT );
add_bool( "invert U", 0, NULL, U_INV_TEXT, U_INV_LONGTEXT );
add_integer( "V plan", 255, NULL, V_TEXT, V_LONGTEXT );
add_bool( "invert V", 0, NULL, V_INV_TEXT, V_INV_LONGTEXT );
set_description( _("yuv plan modifier filter") );
set_capability( "video filter", 0 );
add_shortcut( "yuv" );
set_callbacks( Create, Destroy );
vlc_module_end();
/*****************************************************************************
* vout_sys_t: YUV video output method descriptor
*****************************************************************************
* This structure is part of the video output thread descriptor.
* It describes the YUV specific properties of an output thread.
*****************************************************************************/
struct vout_sys_t
{
int i_coeff[3];
vlc_bool_t b_invert[3];
vout_thread_t *p_vout;
};
/*****************************************************************************
* Create: allocates YUV video thread output method
*****************************************************************************
* This function allocates and initializes a YUV vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
/* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
{
msg_Err( p_vout, "out of memory" );
return( 1 );
}
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = NULL;
p_vout->pf_render = Render;
p_vout->pf_display = NULL;
return( 0 );
}
/*****************************************************************************
* Init: initialize YUV video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
int i_index;
picture_t *p_pic;
I_OUTPUTPICTURES = 0;
/* Initialize the output structure */
p_vout->output.i_chroma = p_vout->render.i_chroma;
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
/* Try to open the real video output */
msg_Dbg( p_vout, "spawning the real video output" );
p_vout->p_sys->p_vout =
vout_CreateThread( p_vout,
p_vout->render.i_width, p_vout->render.i_height,
p_vout->render.i_chroma, p_vout->render.i_aspect );
/* Everything failed */
if( p_vout->p_sys->p_vout == NULL )
{
msg_Err( p_vout, "can't open vout, aborting" );
return( 0 );
}
ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
return( 0 );
}
/*****************************************************************************
* End: terminate YUV video thread output method
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
int i_index;
/* Free the fake output buffers we allocated */
for( i_index = I_OUTPUTPICTURES ; i_index ; )
{
i_index--;
free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
}
}
/*****************************************************************************
* Destroy: destroy YUV video thread output method
*****************************************************************************
* Terminate an output method created by YUVCreateOutputMethod
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
vout_DestroyThread( p_vout->p_sys->p_vout );
free( p_vout->p_sys );
}
/*****************************************************************************
* Render: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to YUV modified image,
* waits until it is displayed and switch the two rendering buffers, preparing
* next frame.
*****************************************************************************/
static void Render( vout_thread_t *p_vout, picture_t *p_pic )
{
picture_t *p_outpic;
int i_index;
/* This is a new frame. Get a structure from the video_output. */
p_vout->p_sys->i_coeff[0] = config_GetInt( p_vout, "Y plan" ) ;
p_vout->p_sys->i_coeff[1] = config_GetInt( p_vout, "U plan" ) ;
p_vout->p_sys->i_coeff[2] = config_GetInt( p_vout, "V plan" ) ;
p_vout->p_sys->b_invert[0] = config_GetInt( p_vout, "invert Y" ) ;
p_vout->p_sys->b_invert[1] = config_GetInt( p_vout, "invert U" ) ;
p_vout->p_sys->b_invert[2] = config_GetInt( p_vout, "invert V" ) ;
while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) )
== NULL )
{
if( p_vout->b_die || p_vout->b_error )
{
return;
}
msleep( VOUT_OUTMEM_SLEEP );
}
vout_DatePicture( p_vout->p_sys->p_vout, p_outpic, p_pic->date );
vout_LinkPicture( p_vout->p_sys->p_vout, p_outpic );
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
u8 *p_in, *p_in_end, *p_out;
s32 i_coeff;
vlc_bool_t b_inv;
i_coeff = p_vout->p_sys->i_coeff[i_index];
b_inv = p_vout->p_sys->b_invert[i_index];
p_in = p_pic->p[i_index].p_pixels;
p_in_end = p_in + p_pic->p[i_index].i_lines
* p_pic->p[i_index].i_pitch -8;
p_out = p_outpic->p[i_index].p_pixels;
for( ; p_in < p_in_end ; )
{
/* Do 8 pixels at a time */
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
}
p_in_end += 8;
for( ; p_in < p_in_end ; )
{
/* Do 1 pixel at a time */
*p_out = ( *p_in * i_coeff * (1 - 2 * b_inv)) >> 8; p_out++; p_in++;
}
}
vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
}
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