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Commit e5f9d1a3 authored by Sam Hocevar's avatar Sam Hocevar
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* ./plugins/filter/deinterlace.c: backported new deinterlacing routines.

parent 348eea48
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ChangeLog
View file @ e5f9d1a3
......@@ -4,6 +4,9 @@
HEAD
* ./plugins/filter/deinterlace.c: backported new deinterlacing routines.
* ./include/threads.h, ./include/threads_funcs.h: backported the new Win32
cond_wait implementation from MAIN.
* ./plugins/gtk/gnome_callbacks.c: fixed a crash when activating preferences
from the popup menu.
......
plugins/filter/deinterlace.c
View file @ e5f9d1a3
......@@ -2,7 +2,7 @@
* deinterlace.c : deinterlacer plugin for vlc
*****************************************************************************
* Copyright (C) 2000, 2001 VideoLAN
* $Id: deinterlace.c,v 1.12 2002/05/28 22:49:25 sam Exp $
* $Id: deinterlace.c,v 1.12.2.1 2002/06/17 09:32:28 sam Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
......@@ -35,15 +35,23 @@
#include "filter_common.h"
#define DEINTERLACE_MODE_BOB 1
#define DEINTERLACE_MODE_BLEND 2
#define DEINTERLACE_DISCARD 1
#define DEINTERLACE_MEAN 2
#define DEINTERLACE_BLEND 3
#define DEINTERLACE_BOB 4
#define DEINTERLACE_LINEAR 5
/*****************************************************************************
* Capabilities defined in the other files.
*****************************************************************************/
static void vout_getfunctions( function_list_t * p_function_list );
static void *memblend( void *, const void *, const void *, size_t );
static void RenderBob ( vout_thread_t *, picture_t *, picture_t *, int );
static void RenderMean ( vout_thread_t *, picture_t *, picture_t * );
static void RenderBlend ( vout_thread_t *, picture_t *, picture_t * );
static void RenderLinear ( vout_thread_t *, picture_t *, picture_t *, int );
static void Merge ( void *, const void *, const void *, size_t );
/*****************************************************************************
* Build configuration tree.
......@@ -51,7 +59,7 @@ static void *memblend( void *, const void *, const void *, size_t );
MODULE_CONFIG_START
ADD_CATEGORY_HINT( N_("Miscellaneous"), NULL )
ADD_STRING ( "deinterlace-mode", "bob", NULL, N_("Deinterlace mode"),
N_("one of 'bob' and 'blend'") )
N_("one of 'discard', 'blend', 'mean', 'bob' or 'linear'") )
MODULE_CONFIG_STOP
MODULE_INIT_START
......@@ -77,9 +85,13 @@ MODULE_DEACTIVATE_STOP
*****************************************************************************/
typedef struct vout_sys_s
{
int i_mode;
struct vout_thread_s *p_vout;
int i_mode; /* Deinterlace mode */
boolean_t b_double_rate; /* Shall we double the framerate? */
mtime_t last_date;
mtime_t next_date;
vout_thread_t *p_vout;
} vout_sys_t;
......@@ -126,6 +138,10 @@ static int vout_Create( vout_thread_t *p_vout )
return( 1 );
}
p_vout->p_sys->i_mode = DEINTERLACE_DISCARD;
p_vout->p_sys->b_double_rate = 0;
p_vout->p_sys->last_date = 0;
/* Look what method was requested */
psz_method = config_GetPszVariable( "deinterlace-mode" );
......@@ -134,28 +150,43 @@ static int vout_Create( vout_thread_t *p_vout )
intf_ErrMsg( "vout error: configuration variable %s empty",
"deinterlace-mode" );
intf_ErrMsg( "filter error: no valid deinterlace mode provided, "
"using deinterlace:bob" );
p_vout->p_sys->i_mode = DEINTERLACE_MODE_BOB;
"using deinterlace:discard" );
}
else
{
if( !strcmp( psz_method, "bob" ) )
if( !strcmp( psz_method, "discard" ) )
{
p_vout->p_sys->i_mode = DEINTERLACE_DISCARD;
}
else if( !strcmp( psz_method, "mean" ) )
{
p_vout->p_sys->i_mode = DEINTERLACE_MEAN;
}
else if( !strcmp( psz_method, "blend" )
|| !strcmp( psz_method, "average" )
|| !strcmp( psz_method, "combine-fields" ) )
{
p_vout->p_sys->i_mode = DEINTERLACE_MODE_BOB;
p_vout->p_sys->i_mode = DEINTERLACE_BLEND;
}
else if( !strcmp( psz_method, "blend" ) )
else if( !strcmp( psz_method, "bob" )
|| !strcmp( psz_method, "progressive-scan" ) )
{
p_vout->p_sys->i_mode = DEINTERLACE_MODE_BLEND;
p_vout->p_sys->i_mode = DEINTERLACE_BOB;
p_vout->p_sys->b_double_rate = 1;
}
else if( !strcmp( psz_method, "linear" ) )
{
p_vout->p_sys->i_mode = DEINTERLACE_LINEAR;
p_vout->p_sys->b_double_rate = 1;
}
else
{
intf_ErrMsg( "filter error: no valid deinterlace mode provided, "
"using deinterlace:bob" );
p_vout->p_sys->i_mode = DEINTERLACE_MODE_BOB;
}
"using deinterlace:discard" );
}
free( psz_method );
}
return( 0 );
}
......@@ -203,14 +234,17 @@ static int vout_Init( vout_thread_t *p_vout )
case FOURCC_YV12:
switch( p_vout->p_sys->i_mode )
{
case DEINTERLACE_MODE_BOB:
case DEINTERLACE_BOB:
case DEINTERLACE_MEAN:
case DEINTERLACE_DISCARD:
p_vout->p_sys->p_vout =
vout_CreateThread( NULL,
p_vout->output.i_width, p_vout->output.i_height / 2,
p_vout->output.i_chroma, p_vout->output.i_aspect );
break;
case DEINTERLACE_MODE_BLEND:
case DEINTERLACE_BLEND:
case DEINTERLACE_LINEAR:
p_vout->p_sys->p_vout =
vout_CreateThread( NULL,
p_vout->output.i_width, p_vout->output.i_height,
......@@ -241,8 +275,6 @@ static int vout_Init( vout_thread_t *p_vout )
return( 0 );
}
p_vout->p_sys->last_date = 0;
ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
return( 0 );
......@@ -295,31 +327,103 @@ static int vout_Manage( vout_thread_t *p_vout )
*****************************************************************************/
static void vout_Render ( vout_thread_t *p_vout, picture_t *p_pic )
{
picture_t *p_outpic;
int i_plane, i_field;
/* 20ms is a bit arbitrary, but it's only for the first image we get */
mtime_t new_date = p_vout->p_sys->last_date
? ( 3 * p_pic->date - p_vout->p_sys->last_date ) / 2
: p_pic->date + 20000;
picture_t *pp_outpic[2];
p_vout->p_sys->last_date = p_pic->date;
/* Get a new picture */
while( ( pp_outpic[0] = 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 );
}
for( i_field = 0 ; i_field < 2 ; i_field++ )
vout_DatePicture( p_vout->p_sys->p_vout, pp_outpic[0], p_pic->date );
/* If we are using double rate, get an additional new picture */
if( p_vout->p_sys->b_double_rate )
{
/* Get a structure from the video_output. */
while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout,
while( ( pp_outpic[1] = vout_CreatePicture( p_vout->p_sys->p_vout,
0, 0, 0 ) )
== NULL )
{
if( p_vout->b_die || p_vout->b_error )
{
vout_DestroyPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
return;
}
msleep( VOUT_OUTMEM_SLEEP );
}
vout_DatePicture( p_vout->p_sys->p_vout, p_outpic,
p_pic->date + i_field ? new_date : p_pic->date );
/* 20ms is a bit arbitrary, but it's only for the first image we get */
if( !p_vout->p_sys->last_date )
{
vout_DatePicture( p_vout->p_sys->p_vout, pp_outpic[1],
p_pic->date + 20000 );
}
else
{
vout_DatePicture( p_vout->p_sys->p_vout, pp_outpic[1],
(3 * p_pic->date - p_vout->p_sys->last_date) / 2 );
}
p_vout->p_sys->last_date = p_pic->date;
}
switch( p_vout->p_sys->i_mode )
{
case DEINTERLACE_DISCARD:
RenderBob( p_vout, pp_outpic[0], p_pic, 0 );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
break;
case DEINTERLACE_BOB:
RenderBob( p_vout, pp_outpic[0], p_pic, 0 );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
RenderBob( p_vout, pp_outpic[1], p_pic, 1 );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[1] );
break;
case DEINTERLACE_LINEAR:
RenderLinear( p_vout, pp_outpic[0], p_pic, 0 );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
RenderLinear( p_vout, pp_outpic[1], p_pic, 1 );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[1] );
break;
case DEINTERLACE_MEAN:
RenderMean( p_vout, pp_outpic[0], p_pic );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
break;
case DEINTERLACE_BLEND:
RenderBlend( p_vout, pp_outpic[0], p_pic );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
break;
}
}
/*****************************************************************************
* vout_Display: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to Invert image, waits
* until it is displayed and switch the two rendering buffers, preparing next
* frame.
*****************************************************************************/
static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
{
;
}
/*****************************************************************************
* RenderBob: renders a bob picture
*****************************************************************************/
static void RenderBob( vout_thread_t *p_vout,
picture_t *p_outpic, picture_t *p_pic, int i_field )
{
int i_plane;
/* Copy image and skip lines */
for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
......@@ -340,9 +444,6 @@ static void vout_Render ( vout_thread_t *p_vout, picture_t *p_pic )
case FOURCC_IYUV:
case FOURCC_YV12:
switch( p_vout->p_sys->i_mode )
{
case DEINTERLACE_MODE_BOB:
for( ; p_out < p_out_end ; )
{
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
......@@ -352,7 +453,58 @@ static void vout_Render ( vout_thread_t *p_vout, picture_t *p_pic )
}
break;
case DEINTERLACE_MODE_BLEND:
case FOURCC_I422:
i_increment = 2 * p_pic->p[i_plane].i_pitch;
if( i_plane == Y_PLANE )
{
for( ; p_out < p_out_end ; )
{
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
p_out += p_pic->p[i_plane].i_pitch;
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
p_out += p_pic->p[i_plane].i_pitch;
p_in += i_increment;
}
}
else
{
for( ; p_out < p_out_end ; )
{
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
p_out += p_pic->p[i_plane].i_pitch;
p_in += i_increment;
}
}
break;
default:
break;
}
}
}
/*****************************************************************************
* RenderLinear: displays previously rendered output
*****************************************************************************/
static void RenderLinear( vout_thread_t *p_vout,
picture_t *p_outpic, picture_t *p_pic, int i_field )
{
int i_plane;
/* Copy image and skip lines */
for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
{
u8 *p_in, *p_out_end, *p_out;
p_in = p_pic->p[i_plane].p_pixels
+ i_field * p_pic->p[i_plane].i_pitch;
p_out = p_outpic->p[i_plane].p_pixels;
p_out_end = p_out + p_outpic->p[i_plane].i_pitch
* p_outpic->p[i_plane].i_lines;
if( i_field == 0 )
{
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
......@@ -360,7 +512,7 @@ static void vout_Render ( vout_thread_t *p_vout, picture_t *p_pic )
p_out += p_pic->p[i_plane].i_pitch;
}
p_out_end -= p_outpic->p[i_plane].i_pitch;
p_out_end -= 2 * p_outpic->p[i_plane].i_pitch;
for( ; p_out < p_out_end ; )
{
......@@ -368,8 +520,7 @@ static void vout_Render ( vout_thread_t *p_vout, picture_t *p_pic )
p_out += p_pic->p[i_plane].i_pitch;
memblend( p_out, p_in,
p_in + 2 * p_pic->p[i_plane].i_pitch,
Merge( p_out, p_in, p_in + 2 * p_pic->p[i_plane].i_pitch,
p_pic->p[i_plane].i_pitch );
p_in += 2 * p_pic->p[i_plane].i_pitch;
......@@ -383,59 +534,70 @@ static void vout_Render ( vout_thread_t *p_vout, picture_t *p_pic )
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
}
#endif
break;
}
break;
case FOURCC_I422:
}
i_increment = 2 * p_pic->p[i_plane].i_pitch;
static void RenderMean( vout_thread_t *p_vout,
picture_t *p_outpic, picture_t *p_pic )
{
int i_plane;
if( i_plane == Y_PLANE )
/* Copy image and skip lines */
for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
{
u8 *p_in, *p_out_end, *p_out;
p_in = p_pic->p[i_plane].p_pixels;
p_out = p_outpic->p[i_plane].p_pixels;
p_out_end = p_out + p_outpic->p[i_plane].i_pitch
* p_outpic->p[i_plane].i_lines;
/* All lines: mean value */
for( ; p_out < p_out_end ; )
{
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
p_out += p_pic->p[i_plane].i_pitch;
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
Merge( p_out, p_in, p_in + p_pic->p[i_plane].i_pitch,
p_pic->p[i_plane].i_pitch );
p_out += p_pic->p[i_plane].i_pitch;
p_in += i_increment;
p_in += 2 * p_pic->p[i_plane].i_pitch;
}
}
else
{
for( ; p_out < p_out_end ; )
}
static void RenderBlend( vout_thread_t *p_vout,
picture_t *p_outpic, picture_t *p_pic )
{
int i_plane;
/* Copy image and skip lines */
for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
{
u8 *p_in, *p_out_end, *p_out;
p_in = p_pic->p[i_plane].p_pixels;
p_out = p_outpic->p[i_plane].p_pixels;
p_out_end = p_out + p_outpic->p[i_plane].i_pitch
* p_outpic->p[i_plane].i_lines;
/* First line: simple copy */
FAST_MEMCPY( p_out, p_in, p_pic->p[i_plane].i_pitch );
p_out += p_pic->p[i_plane].i_pitch;
p_in += i_increment;
}
}
break;
default:
break;
}
}
/* Remaining lines: mean value */
for( ; p_out < p_out_end ; )
{
Merge( p_out, p_in, p_in + p_pic->p[i_plane].i_pitch,
p_pic->p[i_plane].i_pitch );
vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
p_out += p_pic->p[i_plane].i_pitch;
p_in += p_pic->p[i_plane].i_pitch;
}
}
}
/*****************************************************************************
* vout_Display: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to Invert image, waits
* until it is displayed and switch the two rendering buffers, preparing next
* frame.
*****************************************************************************/
static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
{
;
}
static void *memblend( void *p_dest, const void *p_s1,
static void Merge( void *p_dest, const void *p_s1,
const void *p_s2, size_t i_bytes )
{
u8* p_end = (u8*)p_dest + i_bytes - 8;
......@@ -458,7 +620,5 @@ static void *memblend( void *p_dest, const void *p_s1,
{
*(u8*)p_dest++ = ( (u16)(*(u8*)p_s1++) + (u16)(*(u8*)p_s2++) ) >> 1;
}
return p_dest;
}
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