/*****************************************************************************
* transform.c : transform image module for vlc
*****************************************************************************
- * Copyright (C) 2000-2006 the VideoLAN team
- * $Id$
+ * Copyright (C) 2000-2006 VLC authors and VideoLAN
+ * Copyright (C) 2010 Laurent Aimar
+ * Copyright (C) 2012 Rémi Denis-Courmont
*
* 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
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
/*****************************************************************************
*****************************************************************************/
#ifdef HAVE_CONFIG_H
-# include "config.h"
+# include "config.h"
#endif
+#include <limits.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_vout.h>
-
-#include "filter_common.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
-
-/*****************************************************************************
- * 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 * );
-
-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 * );
+#include <vlc_filter.h>
/*****************************************************************************
* 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"),
- N_("Rotate by 180 degrees"), N_("Rotate by 270 degrees"),
- N_("Flip horizontally"), N_("Flip vertically") };
+static int Open (vlc_object_t *);
+static void Close(vlc_object_t *);
#define CFG_PREFIX "transform-"
-vlc_module_begin ()
- set_description( N_("Video transformation filter") )
- set_shortname( N_("Transformation"))
- set_capability( "video filter", 0 )
- set_category( CAT_VIDEO )
- set_subcategory( SUBCAT_VIDEO_VFILTER )
-
- add_string( CFG_PREFIX "type", "90", NULL,
- 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
-};
+#define TYPE_TEXT N_("Transform type")
+static const char * const type_list[] = { "90", "180", "270",
+ "hflip", "vflip", "transpose", "antitranspose" };
+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"),
+ N_("Transpose"), N_("Anti-transpose") };
+
+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_TEXT, false)
+ change_string_list(type_list, type_list_text)
+ change_safe()
+
+ 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 )
+ VLC_UNUSED( h );
+ *sx = w - 1 - dx;
+ *sy = dy;
+}
+static void VFlip(int *sx, int *sy, int w, int h, int dx, int dy)
{
- return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
+ VLC_UNUSED( w );
+ *sx = dx;
+ *sy = h - 1 - dy;
}
-
-/*****************************************************************************
- * 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 Transpose(int *sx, int *sy, int w, int h, int dx, int dy)
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
- char *psz_method;
-
- /* Allocate structure */
- p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_vout->p_sys == NULL )
- return VLC_ENOMEM;
-
- 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;
-
- config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
- p_vout->p_cfg );
-
- /* Look what method was requested */
- psz_method = var_CreateGetNonEmptyStringCommand( p_vout, "transform-type" );
-
- switch( p_vout->fmt_in.i_chroma )
- {
- CASE_PLANAR_YUV_SQUARE
- case VLC_CODEC_GREY:
- p_vout->p_sys->pf_filter = FilterPlanar;
- break;
-
- case VLC_CODEC_I422:
- case VLC_CODEC_J422:
- p_vout->p_sys->pf_filter = FilterI422;
- break;
-
- CASE_PACKED_YUV_422
- p_vout->p_sys->pf_filter = FilterYUYV;
- break;
-
- default:
- msg_Err( p_vout, "Unsupported chroma" );
- free( p_vout->p_sys );
- 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;
- }
- 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 );
- }
-
- return VLC_SUCCESS;
+ VLC_UNUSED( h ); VLC_UNUSED( w );
+ *sx = dy;
+ *sy = dx;
}
-
-/*****************************************************************************
- * Init: initialize Transform video thread output method
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
+static void AntiTranspose(int *sx, int *sy, int w, int h, int dx, int dy)
{
- video_format_t fmt;
-
- I_OUTPUTPICTURES = 0;
- memset( &fmt, 0, sizeof(video_format_t) );
-
- /* 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;
- p_vout->fmt_out = p_vout->fmt_in;
- fmt = p_vout->fmt_out;
-
- /* Try to open the real video output */
- msg_Dbg( p_vout, "spawning the real video output" );
-
- if( p_vout->p_sys->b_rotation )
- {
- fmt.i_width = p_vout->fmt_out.i_height;
- fmt.i_visible_width = p_vout->fmt_out.i_visible_height;
- fmt.i_x_offset = p_vout->fmt_out.i_y_offset;
-
- fmt.i_height = p_vout->fmt_out.i_width;
- fmt.i_visible_height = p_vout->fmt_out.i_visible_width;
- fmt.i_y_offset = p_vout->fmt_out.i_x_offset;
-
- fmt.i_aspect = VOUT_ASPECT_FACTOR *
- (uint64_t)VOUT_ASPECT_FACTOR / fmt.i_aspect;
-
- fmt.i_sar_num = p_vout->fmt_out.i_sar_den;
- fmt.i_sar_den = p_vout->fmt_out.i_sar_num;
- }
-
- p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );
-
- /* Everything failed */
- if( p_vout->p_sys->p_vout == NULL )
- {
- msg_Err( p_vout, "cannot open vout, aborting" );
- return VLC_EGENERIC;
- }
-
- vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
-
- vout_filter_AddChild( p_vout, p_vout->p_sys->p_vout, MouseEvent );
-
- return VLC_SUCCESS;
+ *sx = h - 1 - dy;
+ *sy = w - 1 - dx;
}
-
-/*****************************************************************************
- * End: terminate Transform video thread output method
- *****************************************************************************/
-static void End( vout_thread_t *p_vout )
+static void R90(int *sx, int *sy, int w, int h, int dx, int dy)
{
- 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 );
+ VLC_UNUSED( h );
+ *sx = dy;
+ *sy = w - 1 - dx;
}
-
-/*****************************************************************************
- * Destroy: destroy Transform video thread output method
- *****************************************************************************
- * Terminate an output method created by TransformCreateOutputMethod
- *****************************************************************************/
-static void Destroy( vlc_object_t *p_this )
+static void R180(int *sx, int *sy, int w, int h, int dx, int dy)
{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- free( p_vout->p_sys );
+ *sx = w - dx;
+ *sy = h - dy;
+}
+static void R270(int *sx, int *sy, int w, int h, int dx, int dy)
+{
+ VLC_UNUSED( w );
+ *sx = h - 1 - dy;
+ *sy = dx;
+}
+typedef void (*convert_t)(int *, int *, int, int, int, int);
+
+#define PLANE(f,bits) \
+static void Plane##bits##_##f(plane_t *restrict dst, const plane_t *restrict src) \
+{ \
+ const uint##bits##_t *src_pixels = (const void *)src->p_pixels; \
+ uint##bits##_t *restrict dst_pixels = (void *)dst->p_pixels; \
+ const unsigned src_width = src->i_pitch / sizeof (*src_pixels); \
+ const unsigned dst_width = dst->i_pitch / sizeof (*dst_pixels); \
+ const unsigned dst_visible_width = dst->i_visible_pitch / sizeof (*dst_pixels); \
+ \
+ for (int y = 0; y < dst->i_visible_lines; y++) { \
+ for (unsigned x = 0; x < dst_visible_width; x++) { \
+ int sx, sy; \
+ (f)(&sx, &sy, dst_visible_width, dst->i_visible_lines, x, y); \
+ dst_pixels[y * dst_width + x] = \
+ src_pixels[sy * src_width + sx]; \
+ } \
+ } \
}
-/*****************************************************************************
- * 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 )
+static void Plane_VFlip(plane_t *restrict dst, const plane_t *restrict src)
{
- 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 );
+ const uint8_t *src_pixels = src->p_pixels;
+ uint8_t *restrict dst_pixels = dst->p_pixels;
+
+ dst_pixels += dst->i_pitch * dst->i_visible_lines;
+ for (int y = 0; y < dst->i_visible_lines; y++) {
+ dst_pixels -= dst->i_pitch;
+ memcpy(dst_pixels, src_pixels, dst->i_visible_pitch);
+ src_pixels += src->i_pitch;
}
+}
- 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 );
+#define YUY2(f) \
+static void PlaneYUY2_##f(plane_t *restrict dst, const plane_t *restrict src) \
+{ \
+ unsigned dst_visible_width = dst->i_visible_pitch / 2; \
+ \
+ for (int y = 0; y < dst->i_visible_lines; y += 2) { \
+ for (unsigned x = 0; x < dst_visible_width; x+= 2) { \
+ int sx0, sy0, sx1, sy1; \
+ (f)(&sx0, &sy0, dst_visible_width, dst->i_visible_lines, x, y); \
+ (f)(&sx1, &sy1, dst_visible_width, dst->i_visible_lines, \
+ x + 1, y + 1); \
+ dst->p_pixels[(y + 0) * dst->i_pitch + 2 * (x + 0)] = \
+ src->p_pixels[sy0 * src->i_pitch + 2 * sx0]; \
+ dst->p_pixels[(y + 0) * dst->i_pitch + 2 * (x + 1)] = \
+ src->p_pixels[sy1 * src->i_pitch + 2 * sx0]; \
+ dst->p_pixels[(y + 1) * dst->i_pitch + 2 * (x + 0)] = \
+ src->p_pixels[sy0 * src->i_pitch + 2 * sx1]; \
+ dst->p_pixels[(y + 1) * dst->i_pitch + 2 * (x + 1)] = \
+ src->p_pixels[sy1 * src->i_pitch + 2 * sx1]; \
+ \
+ int sx, sy, u, v; \
+ (f)(&sx, &sy, dst_visible_width / 2, dst->i_visible_lines / 2, \
+ x / 2, y / 2); \
+ u = (1 + src->p_pixels[2 * sy * src->i_pitch + 4 * sx + 1] + \
+ src->p_pixels[(2 * sy + 1) * src->i_pitch + 4 * sx + 1]) / 2; \
+ v = (1 + src->p_pixels[2 * sy * src->i_pitch + 4 * sx + 3] + \
+ src->p_pixels[(2 * sy + 1) * src->i_pitch + 4 * sx + 3]) / 2; \
+ dst->p_pixels[(y + 0) * dst->i_pitch + 2 * x + 1] = u; \
+ dst->p_pixels[(y + 0) * dst->i_pitch + 2 * x + 3] = v; \
+ dst->p_pixels[(y + 1) * dst->i_pitch + 2 * x + 1] = u; \
+ dst->p_pixels[(y + 1) * dst->i_pitch + 2 * x + 3] = v; \
+ } \
+ } \
}
-/**
- * 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 newval, void *p_data )
+#define PLANES(f) \
+PLANE(f,8) PLANE(f,16) PLANE(f,32)
+
+PLANES(HFlip)
+#define Plane8_VFlip Plane_VFlip
+#define Plane16_VFlip Plane_VFlip
+#define Plane32_VFlip Plane_VFlip
+PLANES(Transpose)
+PLANES(AntiTranspose)
+PLANES(R90)
+PLANES(R180)
+PLANES(R270)
+
+#define PlaneYUY2_HFlip Plane32_HFlip
+#define PlaneYUY2_VFlip Plane_VFlip
+#define PlaneYUY2_R180 Plane32_R180
+YUY2(Transpose)
+YUY2(AntiTranspose)
+YUY2(R90)
+YUY2(R270)
+
+typedef struct {
+ char name[16];
+ convert_t convert;
+ convert_t iconvert;
+ void (*plane8) (plane_t *dst, const plane_t *src);
+ void (*plane16)(plane_t *dst, const plane_t *src);
+ void (*plane32)(plane_t *dst, const plane_t *src);
+ void (*yuyv)(plane_t *dst, const plane_t *src);
+} transform_description_t;
+
+#define DESC(str, f, invf) \
+ { str, f, invf, Plane8_##f, Plane16_##f, Plane32_##f, PlaneYUY2_##f }
+
+static const transform_description_t descriptions[] = {
+ DESC("90", R90, R270),
+ DESC("180", R180, R180),
+ DESC("270", R270, R90),
+ DESC("hflip", HFlip, HFlip),
+ DESC("vflip", VFlip, VFlip),
+ DESC("transpose", Transpose, Transpose),
+ DESC("antitranspose", AntiTranspose, AntiTranspose),
+};
+
+static bool dsc_is_rotated(const transform_description_t *dsc)
{
- 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-x" ) )
- {
- switch( p_vout->p_sys->i_mode )
- {
- case TRANSFORM_MODE_270:
- newval.i_int = p_vout->p_sys->p_vout->output.i_width
- - newval.i_int;
- case TRANSFORM_MODE_90:
- psz_var = "mouse-y";
- break;
+ return dsc->plane32 != dsc->yuyv;
+}
- case TRANSFORM_MODE_180:
- case TRANSFORM_MODE_HFLIP:
- newval.i_int = p_vout->p_sys->p_vout->output.i_width
- - newval.i_int;
- break;
+static const size_t n_transforms =
+ sizeof (descriptions) / sizeof (descriptions[0]);
- case TRANSFORM_MODE_VFLIP:
- default:
- break;
- }
- }
- else if( !strcmp( psz_var, "mouse-y" ) )
- {
- switch( p_vout->p_sys->i_mode )
- {
- case TRANSFORM_MODE_90:
- newval.i_int = p_vout->p_sys->p_vout->output.i_height
- - newval.i_int;
- case TRANSFORM_MODE_270:
- psz_var = "mouse-x";
- break;
+struct filter_sys_t {
+ const vlc_chroma_description_t *chroma;
+ void (*plane)(plane_t *, const plane_t *);
+ convert_t convert;
+};
- case TRANSFORM_MODE_180:
- case TRANSFORM_MODE_VFLIP:
- newval.i_int = p_vout->p_sys->p_vout->output.i_height
- - newval.i_int;
- break;
+static picture_t *Filter(filter_t *filter, picture_t *src)
+{
+ filter_sys_t *sys = filter->p_sys;
- case TRANSFORM_MODE_HFLIP:
- default:
- break;
- }
+ picture_t *dst = filter_NewPicture(filter);
+ if (!dst) {
+ picture_Release(src);
+ return NULL;
}
- return var_Set( p_vout, psz_var, newval );
+ const vlc_chroma_description_t *chroma = sys->chroma;
+ for (unsigned i = 0; i < chroma->plane_count; i++)
+ sys->plane(&dst->p[i], &src->p[i]);
+
+ picture_CopyProperties(dst, src);
+ picture_Release(src);
+ return dst;
}
-static void FilterPlanar( vout_thread_t *p_vout,
- const picture_t *p_pic, picture_t *p_outpic )
+static int Mouse(filter_t *filter, vlc_mouse_t *mouse,
+ const vlc_mouse_t *mold, const vlc_mouse_t *mnew)
{
- 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;
+ VLC_UNUSED( mold );
- 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;
+ const video_format_t *fmt = &filter->fmt_out.video;
+ const filter_sys_t *sys = filter->p_sys;
- uint8_t *p_in = p_pic->p[i_index].p_pixels;
+ *mouse = *mnew;
+ sys->convert(&mouse->i_x, &mouse->i_y,
+ fmt->i_visible_width, fmt->i_visible_height,
+ mouse->i_x, mouse->i_y);
+ return VLC_SUCCESS;
+}
- 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;
+static int Open(vlc_object_t *object)
+{
+ filter_t *filter = (filter_t *)object;
+ const video_format_t *src = &filter->fmt_in.video;
+ video_format_t *dst = &filter->fmt_out.video;
- for( ; p_out < p_out_end ; )
- {
- uint8_t *p_in_end;
+ const vlc_chroma_description_t *chroma =
+ vlc_fourcc_GetChromaDescription(src->i_chroma);
+ if (chroma == NULL)
+ return VLC_EGENERIC;
- p_in_end = p_in + p_pic->p[i_index].i_visible_lines *
- i_pitch;
+ filter_sys_t *sys = malloc(sizeof(*sys));
+ if (!sys)
+ return VLC_ENOMEM;
- for( ; p_in < p_in_end ; )
- {
- p_in_end -= i_pitch;
- *p_out++ = *p_in_end;
- }
+ sys->chroma = chroma;
- p_out += p_outpic->p[i_index].i_pitch
- - p_outpic->p[i_index].i_visible_pitch;
- p_in++;
- }
- }
- break;
+ char *type_name = var_InheritString(filter, CFG_PREFIX"type");
+ const transform_description_t *dsc = NULL;
- 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 ; )
- {
- 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_pic->p[i_index].i_pitch;
- }
- }
+ for (size_t i = 0; i < n_transforms; i++)
+ if (type_name && !strcmp(descriptions[i].name, type_name)) {
+ dsc = &descriptions[i];
break;
+ }
+ if (dsc == NULL) {
+ dsc = &descriptions[0];
+ msg_Warn(filter, "No valid transform mode provided, using '%s'",
+ dsc->name);
+ }
- 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 ; )
- {
- 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);
- }
+ free(type_name);
- p_in += p_pic->p[i_index].i_pitch;
- }
- }
+ switch (chroma->pixel_size) {
+ case 1:
+ sys->plane = dsc->plane8;
break;
-
- default:
+ case 2:
+ sys->plane = dsc->plane16;
+ break;
+ case 4:
+ sys->plane = dsc->plane32;
break;
+ default:
+ msg_Err(filter, "Unsupported pixel size %u (chroma %4.4s)",
+ chroma->pixel_size, (char *)&src->i_chroma);
+ goto error;
}
-}
-static void FilterI422( 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_180:
- case TRANSFORM_MODE_HFLIP:
- case TRANSFORM_MODE_VFLIP:
- /* Fall back on the default implementation */
- FilterPlanar( p_vout, p_pic, p_outpic );
- return;
-
- 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;
-
- if( i_index == 0 )
- {
- 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++;
- }
- }
- else /* i_index == 1 or 2 */
- {
- for( ; p_out < p_out_end ; )
- {
- uint8_t *p_line_end, *p_out_end2;
-
- p_out_end -= p_outpic->p[i_index].i_pitch
- - p_outpic->p[i_index].i_visible_pitch;
- p_out_end2 = p_out_end - p_outpic->p[i_index].i_pitch;
- p_line_end = p_in + p_pic->p[i_index].i_visible_lines *
- i_pitch;
-
- for( ; p_in < p_line_end ; )
- {
- uint8_t p1, p2;
-
- p_line_end -= i_pitch;
- p1 = *p_line_end;
- p_line_end -= i_pitch;
- p2 = *p_line_end;
-
- /* Trick for (x+y)/2 without overflow, based on
- * x + y == (x ^ y) + 2 * (x & y) */
- *(--p_out_end) = (p1 & p2) + ((p1 ^ p2) / 2);
- *(--p_out_end2) = (p1 & p2) + ((p1 ^ p2) / 2);
- }
-
- p_out_end = p_out_end2;
- p_in++;
- }
- }
+ sys->convert = dsc->convert;
+ if (dsc_is_rotated(dsc)) {
+ for (unsigned i = 0; i < chroma->plane_count; i++) {
+ if (chroma->p[i].w.num * chroma->p[i].h.den
+ != chroma->p[i].h.num * chroma->p[i].w.den) {
+ msg_Err(filter, "Format rotation not possible (chroma %4.4s)",
+ (char *)&src->i_chroma); /* I422... */
+ goto error;
}
- 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;
-
- if( i_index == 0 )
- {
- 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++;
- }
- }
- else /* i_index == 1 or 2 */
- {
- for( ; p_out < p_out_end ; )
- {
- uint8_t *p_in_end, *p_out2;
-
- p_in_end = p_in + p_pic->p[i_index].i_visible_lines *
- i_pitch;
- p_out2 = p_out + p_outpic->p[i_index].i_pitch;
-
- for( ; p_in < p_in_end ; )
- {
- uint8_t p1, p2;
-
- p_in_end -= i_pitch;
- p1 = *p_in_end;
- p_in_end -= i_pitch;
- p2 = *p_in_end;
-
- /* Trick for (x+y)/2 without overflow, based on
- * x + y == (x ^ y) + 2 * (x & y) */
- *p_out++ = (p1 & p2) + ((p1 ^ p2) / 2);
- *p_out2++ = (p1 & p2) + ((p1 ^ p2) / 2);
- }
-
- p_out2 += p_outpic->p[i_index].i_pitch
- - p_outpic->p[i_index].i_visible_pitch;
- p_out = p_out2;
- p_in++;
- }
- }
- }
- break;
+ if (!filter->b_allow_fmt_out_change) {
+ msg_Err(filter, "Format change is not allowed");
+ goto error;
+ }
- default:
- break;
+ dst->i_width = src->i_height;
+ dst->i_visible_width = src->i_visible_height;
+ dst->i_height = src->i_width;
+ dst->i_visible_height = src->i_visible_width;
+ dst->i_sar_num = src->i_sar_den;
+ dst->i_sar_den = src->i_sar_num;
}
-}
-static void FilterYUYV( vout_thread_t *p_vout,
- const picture_t *p_pic, picture_t *p_outpic )
-{
- int i_index;
- int i_y_offset, i_u_offset, i_v_offset;
- if( GetPackedYuvOffsets( p_pic->format.i_chroma, &i_y_offset,
- &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
- return;
-
- switch( p_vout->p_sys->i_mode )
- {
- case TRANSFORM_MODE_HFLIP:
- /* Fall back on the default implementation */
- FilterPlanar( p_vout, p_pic, p_outpic );
- return;
-
- 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;
-
- int i_offset = i_u_offset;
- int i_offset2 = i_v_offset;
- 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 -= 4;
- p_out_end[i_y_offset+2] = p_line_end[i_y_offset];
- p_out_end[i_u_offset] = p_line_end[i_offset];
- p_line_end -= i_pitch;
- p_out_end[i_y_offset] = p_line_end[i_y_offset];
- p_out_end[i_v_offset] = p_line_end[i_offset2];
- }
-
- p_in += 2;
-
- {
- int a = i_offset;
- i_offset = i_offset2;
- i_offset2 = a;
- }
- }
+ /* Deal with weird packed formats */
+ switch (src->i_chroma) {
+ case VLC_CODEC_UYVY:
+ case VLC_CODEC_VYUY:
+ if (dsc_is_rotated(dsc)) {
+ msg_Err(filter, "Format rotation not possible (chroma %4.4s)",
+ (char *)&src->i_chroma);
+ goto error;
}
+ /* fallthrough */
+ case VLC_CODEC_YUYV:
+ case VLC_CODEC_YVYU:
+ sys->plane = dsc->yuyv; /* 32-bits, not 16-bits! */
break;
+ case VLC_CODEC_NV12:
+ case VLC_CODEC_NV21:
+ goto error;
+ }
- 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_in_end -= 4;
- p_out[i_y_offset] = p_in_end[i_y_offset+2];
- p_out[i_u_offset] = p_in_end[i_u_offset];
- p_out[i_y_offset+2] = p_in_end[i_y_offset];
- p_out[i_v_offset] = p_in_end[i_v_offset];
- p_out += 4;
- }
-
- p_out += p_outpic->p[i_index].i_pitch
- - p_outpic->p[i_index].i_visible_pitch;
- }
- }
- break;
+ dst->i_x_offset = INT_MAX;
+ dst->i_y_offset = INT_MAX;
+ for (int i = 0; i < 2; i++) {
+ int tx, ty;
+ dsc->iconvert(&tx, &ty, src->i_width, src->i_height,
+ src->i_x_offset + i * (src->i_visible_width - 1),
+ src->i_y_offset + i * (src->i_visible_height - 1));
+ dst->i_x_offset = __MIN(dst->i_x_offset, (unsigned)(1 + tx));
+ dst->i_y_offset = __MIN(dst->i_y_offset, (unsigned)(1 + ty));
+ }
- 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;
-
- int i_offset = i_u_offset;
- int i_offset2 = i_v_offset;
- 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[i_y_offset] = p_in_end[i_y_offset];
- p_out[i_u_offset] = p_in_end[i_offset];
- p_in_end -= i_pitch;
- p_out[i_y_offset+2] = p_in_end[i_y_offset];
- p_out[i_v_offset] = p_in_end[i_offset2];
- p_out += 4;
- }
-
- p_out += p_outpic->p[i_index].i_pitch
- - p_outpic->p[i_index].i_visible_pitch;
- p_in += 2;
-
- {
- int a = i_offset;
- i_offset = i_offset2;
- i_offset2 = a;
- }
- }
- }
- break;
+ filter->p_sys = sys;
+ filter->pf_video_filter = Filter;
+ filter->pf_video_mouse = Mouse;
+ return VLC_SUCCESS;
+error:
+ free(sys);
+ return VLC_EGENERIC;
+}
- 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 ; )
- {
- uint8_t *p_line_end = p_in
- + p_pic->p[i_index].i_visible_pitch;
-
- for( ; p_in < p_line_end ; )
- {
- p_line_end -= 4;
- p_out[i_y_offset] = p_line_end[i_y_offset+2];
- p_out[i_u_offset] = p_line_end[i_u_offset];
- p_out[i_y_offset+2] = p_line_end[i_y_offset];
- p_out[i_v_offset] = p_line_end[i_v_offset];
- p_out += 4;
- }
-
- p_in += p_pic->p[i_index].i_pitch;
- }
- }
- break;
+static void Close(vlc_object_t *object)
+{
+ filter_t *filter = (filter_t *)object;
+ filter_sys_t *sys = filter->p_sys;
- default:
- break;
- }
+ free(sys);
}
projects / vlc / blobdiff