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vlc
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* yuv filter was a bit useless. Hope adjust filter is more usefull :)

This commit is contained in:
Simon Latapie 2002-11-23 00:11:17 +00:00
parent c06c5c0dd2
commit 7af58f039f
3 changed files with 165 additions and 57 deletions
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2
configure.ac.in
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@ -597,7 +597,7 @@ 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="${PLUGINS} deinterlace invert yuv wall transform distort clone crop motionblur"
PLUGINS="${PLUGINS} deinterlace invert adjust wall transform distort clone crop motionblur"
PLUGINS="${PLUGINS} float32tos16 float32tos8 float32tou16 float32tou8 a52tospdif fixed32tofloat32 fixed32tos16 s16tofloat32 s16tofloat32swab s8tofloat32 u8tofixed32 u8tofloat32"
PLUGINS="${PLUGINS} trivial_resampler ugly_resampler linear_resampler"
PLUGINS="${PLUGINS} trivial_channel_mixer"

2
modules/video_filter/Modules.am
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@ -1,6 +1,6 @@
SOURCES_transform = modules/video_filter/transform.c
SOURCES_invert = modules/video_filter/invert.c
SOURCES_yuv = modules/video_filter/yuv.c
SOURCES_adjust = modules/video_filter/adjust.c
SOURCES_distort = modules/video_filter/distort.c
SOURCES_wall = modules/video_filter/wall.c
SOURCES_clone = modules/video_filter/clone.c

218
modules/video_filter/yuv.c → modules/video_filter/adjust.c
View File

@ -1,8 +1,8 @@
/*****************************************************************************
* yuv.c : YUV plans modifier video plugin for vlc
* adjust.c : Contrast/Hue/Saturation/Brightness video plugin for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 VideoLAN
* $Id: yuv.c,v 1.1 2002/10/26 01:08:13 garf Exp $
* $Id: adjust.c,v 1.1 2002/11/23 00:11:17 garf Exp $
*
* Authors: Simon Latapie <garf@via.ecp.fr>, Samuel Hocevar <sam@zoy.org>
*
@ -27,6 +27,7 @@
#include <errno.h>
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <math.h>
#include <vlc/vlc.h>
#include <vlc/vout.h>
@ -47,52 +48,54 @@ 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 CONT_TEXT N_("Contrast")
#define CONT_LONGTEXT N_("Default to 1")
#define HUE_TEXT N_("Hue")
#define HUE_LONGTEXT N_("Between 0 and 360. Default to 0")
#define SAT_TEXT N_("Saturation")
#define SAT_LONGTEXT N_("Default to 1")
#define LUM_TEXT N_("Brightness")
#define LUM_LONGTEXT N_("Default to 1")
#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") );
add_float( "Contrast", 1.0, NULL, CONT_TEXT, CONT_LONGTEXT );
add_float( "Brightness", 1.0, NULL, LUM_TEXT, LUM_LONGTEXT );
add_integer( "Hue", 0, NULL, HUE_TEXT, HUE_LONGTEXT );
add_float( "Saturation", 1.0, NULL, SAT_TEXT, SAT_LONGTEXT );
set_description( _("Contrast/Hue/Saturation/Brightness filter") );
set_capability( "video filter", 0 );
add_shortcut( "yuv" );
add_shortcut( "adjust" );
set_callbacks( Create, Destroy );
vlc_module_end();
/*****************************************************************************
* vout_sys_t: YUV video output method descriptor
* vout_sys_t: adjust video output method descriptor
*****************************************************************************
* This structure is part of the video output thread descriptor.
* It describes the YUV specific properties of an output thread.
* It describes the adjust 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;
};
static int32_t maxmin( int32_t a )
{
if ( a > 255 )
return 255;
else if ( a < 0 )
return 0;
else
return a;
}
/*****************************************************************************
* Create: allocates YUV video thread output method
* Create: allocates adjust video thread output method
*****************************************************************************
* This function allocates and initializes a YUV vout method.
* This function allocates and initializes a adjust vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
@ -116,7 +119,7 @@ static int Create( vlc_object_t *p_this )
}
/*****************************************************************************
* Init: initialize YUV video thread output method
* Init: initialize adjust video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
@ -153,7 +156,7 @@ static int Init( vout_thread_t *p_vout )
}
/*****************************************************************************
* End: terminate YUV video thread output method
* End: terminate adjust video thread output method
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
@ -168,9 +171,9 @@ static void End( vout_thread_t *p_vout )
}
/*****************************************************************************
* Destroy: destroy YUV video thread output method
* Destroy: destroy adjust video thread output method
*****************************************************************************
* Terminate an output method created by YUVCreateOutputMethod
* Terminate an output method created by adjustCreateOutputMethod
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
@ -184,7 +187,7 @@ static void Destroy( vlc_object_t *p_this )
/*****************************************************************************
* Render: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to YUV modified image,
* This function send the currently rendered image to adjust modified image,
* waits until it is displayed and switch the two rendering buffers, preparing
* next frame.
*****************************************************************************/
@ -192,16 +195,29 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic )
{
picture_t *p_outpic;
int i_index;
s32 cont;
s32 lum;
/* Contrast is a fast but cludged function, so I put this gap to be
cleaner :) */
s32 dec;
double hue;
int i_sat;
int i_Sin;
int i_Cos;
/* 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" ) ;
cont = (s32) ( config_GetFloat( p_vout, "Contrast" ) * 255 );
lum = (s32) ( ( config_GetFloat( p_vout, "Brightness" ) * 255 ) - 255 );
hue = config_GetInt( p_vout, "Hue" ) * 3.14159 / 180 ; /* convert in radian */
i_sat = (int) ( config_GetFloat( p_vout, "Saturation" ) * 256 );
dec = 128 - ( cont / 2 );
i_Sin = (int) ( sin(hue) * 256);
i_Cos = (int) ( cos(hue) * 256);
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 )
@ -218,29 +234,30 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic )
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];
if ( i_index==0 )
{
u8 *p_in, *p_in_end, *p_out;
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_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
}
p_in_end += 8;
@ -248,12 +265,103 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic )
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++;
*p_out = maxmin( (( *p_in * cont ) >> 8 ) + lum + dec ); p_out++; p_in++;
}
}
else
{
if ( i_index==1 )
{
u8 *p_in_u, *p_in_v, *p_in_end, *p_out_u, *p_out_v, i_u, i_v;
p_in_u = p_pic->p[i_index].p_pixels;
p_in_v = p_pic->p[i_index + 1].p_pixels;
p_in_end = p_in_u + p_pic->p[i_index].i_lines
* p_pic->p[i_index].i_pitch -8;
p_out_u = p_outpic->p[i_index].p_pixels;
p_out_v = p_outpic->p[i_index + 1].p_pixels;
for( ; p_in_u < p_in_end ; )
{
/* Do 8 pixels at a time */
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
}
p_in_end += 8;
for( ; p_in_u < p_in_end ; )
{
/* Do 1 pixel at a time */
i_u = *p_in_u ;
i_v = *p_in_v ;
*p_out_u = maxmin( (((((i_u * i_Cos + i_v * i_Sin) >> 8) - 128) * i_sat) >> 8) + 128);
*p_out_v = maxmin( (((((i_v * i_Cos - i_u * i_Sin) >> 8 ) - 128) * i_sat) >> 8) + 128);
p_out_u++; p_in_u++; p_out_v++; p_in_v++;
}
}
}
}
vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
}