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Commit 6cbc6e32 authored by Laurent Aimar's avatar Laurent Aimar
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transform filter rewrite as a "video filter2". 

It is not yet complete:
 - packed YUV support is lost
 - rotation modes are lost (it needs change to the vout core).
parent 9939e117
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Showing with 170 additions and 398 deletions
modules/video_filter/Modules.am
View file @ 6cbc6e32
......@@ -115,6 +115,7 @@ libvlc_LTLIBRARIES += \
libscale_plugin.la \
libscene_plugin.la \
libsharpen_plugin.la \
libtransform_plugin.la \
libwall_plugin.la \
libwave_plugin.la \
libgradfun_plugin.la \
......
modules/video_filter/transform.c
View file @ 6cbc6e32
......@@ -2,9 +2,11 @@
* transform.c : transform image module for vlc
*****************************************************************************
* Copyright (C) 2000-2006 the VideoLAN team
* Copyright (C) 2010 Laurent Aimar
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Laurent Aimar <fenrir _AT_ videolan _DOT_ 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
......@@ -26,192 +28,212 @@
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout.h>
#include "filter_picture.h"
#define TRANSFORM_MODE_HFLIP 1
#define TRANSFORM_MODE_VFLIP 2
#define TRANSFORM_MODE_90 3
#define TRANSFORM_MODE_180 4
#define TRANSFORM_MODE_270 5
#include <vlc_filter.h>
/*****************************************************************************
* Local prototypes
* Module descriptor
*****************************************************************************/
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 * );
static int Open (vlc_object_t *);
static void Close(vlc_object_t *);
static void FilterPlanar( vout_thread_t *, const picture_t *, picture_t * );
static void FilterI422( vout_thread_t *, const picture_t *, picture_t * );
static void FilterYUYV( vout_thread_t *, const picture_t *, picture_t * );
static int MouseEvent( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
#define CFG_PREFIX "transform-"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define TYPE_TEXT N_("Transform type")
#define TYPE_LONGTEXT N_("One of '90', '180', '270', 'hflip' and 'vflip'")
static const char *const type_list[] = { "90", "180", "270", "hflip", "vflip" };
static const char *const type_list_text[] = { N_("Rotate by 90 degrees"),
static const char * const type_list[] = { "90", "180", "270", "hflip", "vflip" };
static const char * const type_list_text[] = { N_("Rotate by 90 degrees"),
N_("Rotate by 180 degrees"), N_("Rotate by 270 degrees"),
N_("Flip horizontally"), N_("Flip vertically") };
#define TRANSFORM_HELP N_("Rotate or flip the video")
#define CFG_PREFIX "transform-"
vlc_module_begin ()
set_description( N_("Video transformation filter") )
set_shortname( N_("Transformation"))
set_help(TRANSFORM_HELP)
set_capability( "video filter", 0 )
set_category( CAT_VIDEO )
set_subcategory( SUBCAT_VIDEO_VFILTER )
vlc_module_begin()
set_description(N_("Video transformation filter"))
set_shortname(N_("Transformation"))
set_help(N_("Rotate or flip the video"))
set_capability("video filter2", 0)
set_category(CAT_VIDEO)
set_subcategory(SUBCAT_VIDEO_VFILTER)
add_string( CFG_PREFIX "type", "90",
TYPE_TEXT, TYPE_LONGTEXT, false)
change_string_list( type_list, type_list_text, 0)
add_string(CFG_PREFIX "type", "90", TYPE_TEXT, TYPE_LONGTEXT, false)
change_string_list(type_list, type_list_text, 0)
add_shortcut( "transform" )
set_callbacks( Create, Destroy )
vlc_module_end ()
static const char *const ppsz_filter_options[] = {
"type", NULL
};
add_shortcut("transform")
set_callbacks(Open, Close)
vlc_module_end()
/*****************************************************************************
* vout_sys_t: Transform video output method descriptor
*****************************************************************************
* This structure is part of the video output thread descriptor.
* It describes the Transform specific properties of an output thread.
* Local prototypes
*****************************************************************************/
struct vout_sys_t
static void HFlip(int *sx, int *sy, int w, int h, int dx, int dy)
{
int i_mode;
bool b_rotation;
vout_thread_t *p_vout;
void (*pf_filter)( vout_thread_t *, const picture_t *, picture_t * );
};
/*****************************************************************************
* Control: control facility for the vout (forwards to child vout)
*****************************************************************************/
static int Control( vout_thread_t *p_vout, int i_query, va_list args )
*sx = w - 1 - dx;
*sy = dy;
}
static void VFlip(int *sx, int *sy, int w, int h, int dx, int dy)
{
*sx = dx;
*sy = h - 1 - dy;
}
static void R90(int *sx, int *sy, int w, int h, int dx, int dy)
{
return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
*sx = dy;
*sy = w - 1 - dx;
}
static void R180(int *sx, int *sy, int w, int h, int dx, int dy)
{
*sx = w - dx;
*sy = h - dy;
}
static void R270(int *sx, int *sy, int w, int h, int dx, int dy)
{
*sx = h - 1 - dy;
*sy = dx;
}
typedef void (*convert_t)(int *, int *, int, int, int, int);
/*****************************************************************************
* Create: allocates Transform video thread output method
*****************************************************************************
* This function allocates and initializes a Transform vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
static void Planar(plane_t *dst, const plane_t *src, convert_t f)
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
char *psz_method;
for (int y = 0; y < src->i_visible_lines; y++) {
for (int x = 0; x < src->i_visible_pitch; x++) {
int sx, sy;
f(&sx, &sy, dst->i_visible_pitch, dst->i_visible_lines, x, y);
dst->p_pixels[y * dst->i_pitch + x] = src->p_pixels[sy * src->i_pitch + sx];
}
}
}
/* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
return VLC_ENOMEM;
#define PLANAR(f) \
static void Planar##f(plane_t *dst, const plane_t *src) { Planar(dst, src, f); }
PLANAR(HFlip)
PLANAR(VFlip)
PLANAR(R90)
PLANAR(R180)
PLANAR(R270)
typedef struct {
char name[8];
bool is_rotated;
convert_t convert;
void (*planar)(plane_t *dst, const plane_t *src);
} transform_description_t;
static const transform_description_t descriptions[] = {
{ "90", true, R90, PlanarR90, },
{ "180", false, R180, PlanarR180, },
{ "270", true, R270, PlanarR270, },
{ "hflip", false, HFlip, PlanarHFlip, },
{ "vflip", false, VFlip, PlanarVFlip, },
{ "", false, NULL, NULL, }
};
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;
p_vout->pf_control = Control;
struct filter_sys_t {
const transform_description_t *dsc;
const vlc_chroma_description_t *chroma;
};
config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
p_vout->p_cfg );
static picture_t *Filter(filter_t *filter, picture_t *src)
{
filter_sys_t *sys = filter->p_sys;
/* Look what method was requested */
psz_method = var_CreateGetNonEmptyStringCommand( p_vout, "transform-type" );
picture_t *dst = filter_NewPicture(filter);
if (!dst) {
picture_Release(src);
return NULL;
}
switch( p_vout->fmt_in.i_chroma )
{
CASE_PLANAR_YUV_SQUARE
case VLC_CODEC_GREY:
p_vout->p_sys->pf_filter = FilterPlanar;
break;
const vlc_chroma_description_t *chroma = sys->chroma;
if (chroma->plane_count < 3) {
/* TODO */
} else {
for (unsigned i = 0; i < chroma->plane_count; i++)
sys->dsc->planar(&dst->p[i], &src->p[i]);
}
case VLC_CODEC_I422:
case VLC_CODEC_J422:
p_vout->p_sys->pf_filter = FilterI422;
break;
picture_CopyProperties(dst, src);
picture_Release(src);
return dst;
}
CASE_PACKED_YUV_422
p_vout->p_sys->pf_filter = FilterYUYV;
break;
static int Mouse(filter_t *filter, vlc_mouse_t *mouse,
const vlc_mouse_t *mold, const vlc_mouse_t *mnew)
{
const video_format_t *fmt = &filter->fmt_in.video;
const transform_description_t *dsc = filter->p_sys->dsc;
*mouse = *mnew;
int w, h;
if (dsc->is_rotated) {
w = fmt->i_visible_height;
h = fmt->i_visible_width;
} else {
w = fmt->i_visible_width;
h = fmt->i_visible_height;
}
dsc->convert(&mouse->i_x, &mouse->i_y, w, h, mouse->i_x, mouse->i_y);
return VLC_SUCCESS;
}
default:
msg_Err( p_vout, "Unsupported chroma" );
free( p_vout->p_sys );
return VLC_EGENERIC;
static int Open(vlc_object_t *object)
{
filter_t *filter = (filter_t *)object;
const vlc_chroma_description_t *chroma =
vlc_fourcc_GetChromaDescription(filter->fmt_in.video.i_chroma);
if (!chroma || chroma->plane_count < 3) {
msg_Err(filter, "Unsupported chroma (%4.4s)",
(char*)&filter->fmt_in.video.i_chroma);
/* TODO support packed and rgb */
return VLC_EGENERIC;
}
if( psz_method == NULL )
{
msg_Err( p_vout, "configuration variable %s empty", "transform-type" );
msg_Err( p_vout, "no valid transform mode provided, using '90'" );
p_vout->p_sys->i_mode = TRANSFORM_MODE_90;
p_vout->p_sys->b_rotation = 1;
filter_sys_t *sys = malloc(sizeof(*sys));
if (!sys)
return VLC_ENOMEM;
sys->chroma = chroma;
char *type_name = var_InheritString(filter, CFG_PREFIX"type");
sys->dsc = NULL;
for (int i = 0; !sys->dsc && *descriptions[i].name; i++) {
if (type_name && *type_name && !strcmp(descriptions[i].name, type_name))
sys->dsc = &descriptions[i];
}
if (!sys->dsc) {
sys->dsc = &descriptions[0];
msg_Warn(filter, "No valid transform mode provided, using '%s'", sys->dsc->name);
}
else
{
if( !strcmp( psz_method, "hflip" ) )
{
p_vout->p_sys->i_mode = TRANSFORM_MODE_HFLIP;
p_vout->p_sys->b_rotation = 0;
}
else if( !strcmp( psz_method, "vflip" ) )
{
p_vout->p_sys->i_mode = TRANSFORM_MODE_VFLIP;
p_vout->p_sys->b_rotation = 0;
}
else if( !strcmp( psz_method, "90" ) )
{
p_vout->p_sys->i_mode = TRANSFORM_MODE_90;
p_vout->p_sys->b_rotation = 1;
}
else if( !strcmp( psz_method, "180" ) )
{
p_vout->p_sys->i_mode = TRANSFORM_MODE_180;
p_vout->p_sys->b_rotation = 0;
}
else if( !strcmp( psz_method, "270" ) )
{
p_vout->p_sys->i_mode = TRANSFORM_MODE_270;
p_vout->p_sys->b_rotation = 1;
}
else
{
msg_Err( p_vout, "no valid transform mode provided, using '90'" );
p_vout->p_sys->i_mode = TRANSFORM_MODE_90;
p_vout->p_sys->b_rotation = 1;
}
free( psz_method );
free(type_name);
if (sys->dsc->is_rotated) {
/* TODO */
msg_Err(filter, "Rotation mode not yet supported");
free(sys);
return VLC_EGENERIC;
}
filter->p_sys = sys;
filter->pf_video_filter = Filter;
filter->pf_video_mouse = Mouse;
return VLC_SUCCESS;
}
static void Close(vlc_object_t *object)
{
filter_t *filter = (filter_t *)object;
filter_sys_t *sys = filter->p_sys;
free(sys);
}
#if 0
/*****************************************************************************
* Init: initialize Transform video thread output method
*****************************************************************************/
......@@ -220,7 +242,7 @@ static int Init( vout_thread_t *p_vout )
video_format_t fmt;
I_OUTPUTPICTURES = 0;
memset( &fmt, 0, sizeof(video_format_t) );
memset( &fmt, 0, sizeof(video_format_t ) );
/* Initialize the output structure */
p_vout->output.i_chroma = p_vout->render.i_chroma;
......@@ -262,258 +284,6 @@ static int Init( vout_thread_t *p_vout )
return VLC_SUCCESS;
}
/*****************************************************************************
* End: terminate Transform video thread output method
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
vout_sys_t *p_sys = p_vout->p_sys;
vout_filter_DelChild( p_vout, p_sys->p_vout, MouseEvent );
vout_CloseAndRelease( p_sys->p_vout );
vout_filter_ReleaseDirectBuffers( p_vout );
}
/*****************************************************************************
* Destroy: destroy Transform video thread output method
*****************************************************************************
* Terminate an output method created by TransformCreateOutputMethod
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
free( p_vout->p_sys );
}
/*****************************************************************************
* Render: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to Transform 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;
/* This is a new frame. Get a structure from the video_output. */
while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) )
== NULL )
{
if( !vlc_object_alive (p_vout) || p_vout->b_error )
{
return;
}
msleep( VOUT_OUTMEM_SLEEP );
}
p_outpic->date = p_pic->date;
vout_LinkPicture( p_vout->p_sys->p_vout, p_outpic );
p_vout->p_sys->pf_filter( p_vout, p_pic, p_outpic );
vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
}
/**
* Forward mouse event with proper conversion.
*/
static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t val, void *p_data )
{
vout_thread_t *p_vout = p_data;
VLC_UNUSED(p_this); VLC_UNUSED(oldval);
/* Translate the mouse coordinates
* FIXME missing lock */
if( !strcmp( psz_var, "mouse-button-down" ) )
return var_SetChecked( p_vout, psz_var, VLC_VAR_INTEGER, val );
int x = val.coords.x, y = val.coords.y;
switch( p_vout->p_sys->i_mode )
{
case TRANSFORM_MODE_90:
x = p_vout->p_sys->p_vout->output.i_height - val.coords.y;
y = val.coords.x;
break;
case TRANSFORM_MODE_180:
x = p_vout->p_sys->p_vout->output.i_width - val.coords.x;
y = p_vout->p_sys->p_vout->output.i_height - val.coords.y;
break;
case TRANSFORM_MODE_270:
x = val.coords.y;
y = p_vout->p_sys->p_vout->output.i_width - val.coords.x;
break;
case TRANSFORM_MODE_HFLIP:
x = p_vout->p_sys->p_vout->output.i_width - val.coords.x;
break;
case TRANSFORM_MODE_VFLIP:
y = p_vout->p_sys->p_vout->output.i_height - val.coords.y;
break;
default:
break;
}
return var_SetCoords( p_vout, psz_var, x, y );
}
static void FilterPlanar( vout_thread_t *p_vout,
const picture_t *p_pic, picture_t *p_outpic )
{
int i_index;
switch( p_vout->p_sys->i_mode )
{
case TRANSFORM_MODE_90:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
int i_pitch = p_pic->p[i_index].i_pitch;
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
uint8_t *p_out_end = p_out +
p_outpic->p[i_index].i_visible_lines *
p_outpic->p[i_index].i_pitch;
for( ; p_out < p_out_end ; )
{
uint8_t *p_line_end;
p_out_end -= p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_line_end = p_in + p_pic->p[i_index].i_visible_lines *
i_pitch;
for( ; p_in < p_line_end ; )
{
p_line_end -= i_pitch;
*(--p_out_end) = *p_line_end;
}
p_in++;
}
}
break;
case TRANSFORM_MODE_180:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_in_end = p_in + p_pic->p[i_index].i_visible_lines
* p_pic->p[i_index].i_pitch;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
for( ; p_in < p_in_end ; )
{
uint8_t *p_line_start = p_in_end
- p_pic->p[i_index].i_pitch;
p_in_end -= p_pic->p[i_index].i_pitch
- p_pic->p[i_index].i_visible_pitch;
for( ; p_line_start < p_in_end ; )
{
*p_out++ = *(--p_in_end);
}
p_out += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
}
}
break;
case TRANSFORM_MODE_270:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
int i_pitch = p_pic->p[i_index].i_pitch;
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
uint8_t *p_out_end = p_out +
p_outpic->p[i_index].i_visible_lines *
p_outpic->p[i_index].i_pitch;
for( ; p_out < p_out_end ; )
{
uint8_t *p_in_end;
p_in_end = p_in + p_pic->p[i_index].i_visible_lines *
i_pitch;
for( ; p_in < p_in_end ; )
{
p_in_end -= i_pitch;
*p_out++ = *p_in_end;
}
p_out += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
p_in++;
}
}
break;
case TRANSFORM_MODE_VFLIP:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_in_end = p_in + p_pic->p[i_index].i_visible_lines
* p_pic->p[i_index].i_pitch;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
for( ; p_in < p_in_end ; )
{
p_in_end -= p_pic->p[i_index].i_pitch;
vlc_memcpy( p_out, p_in_end,
p_pic->p[i_index].i_visible_pitch );
p_out += p_outpic->p[i_index].i_pitch;
}
}
break;
case TRANSFORM_MODE_HFLIP:
for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
{
uint8_t *p_in = p_pic->p[i_index].p_pixels;
uint8_t *p_in_end = p_in + p_pic->p[i_index].i_visible_lines
* p_pic->p[i_index].i_pitch;
uint8_t *p_out = p_outpic->p[i_index].p_pixels;
for( ; p_in < p_in_end ; )
{
uint8_t *p_line_end = p_in
+ p_pic->p[i_index].i_visible_pitch;
for( ; p_in < p_line_end ; )
{
*p_out++ = *(--p_line_end);
}
p_in += p_pic->p[i_index].i_pitch;
p_out += p_outpic->p[i_index].i_pitch
- p_outpic->p[i_index].i_visible_pitch;
}
}
break;
default:
break;
}
}
static void FilterI422( vout_thread_t *p_vout,
const picture_t *p_pic, picture_t *p_outpic )
{
......@@ -837,3 +607,4 @@ static void FilterYUYV( vout_thread_t *p_vout,
break;
}
}
#endif
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