/*****************************************************************************
* video_widgets.c : OSD widgets manipulation functions
*****************************************************************************
- * Copyright (C) 2004 VideoLAN
+ * Copyright (C) 2004-2010 the VideoLAN team
* $Id$
*
* Author: Yoann Peronneau <yoann@videolan.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
*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* free() */
-#include <vlc/vout.h>
-#include <osd.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <assert.h>
-#include "vlc_video.h"
-#include "vlc_filter.h"
+#include <vlc_common.h>
+#include <vlc_vout.h>
+#include <vlc_vout_osd.h>
+
+#include <vlc_filter.h>
#define STYLE_EMPTY 0
#define STYLE_FILLED 1
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static void DrawRect( subpicture_t *, int, int, int, int, short );
-static void DrawTriangle( subpicture_t *, int, int, int, int, short );
-static void CreatePicture( spu_t *, subpicture_t *, int, int, int, int );
-static subpicture_t *vout_CreateWidget( spu_t *, int );
-
-/*****************************************************************************
- * Draws a rectangle at the given position in the subpic.
+/**
+ * Draws a rectangle at the given position in the region.
* It may be filled (fill == STYLE_FILLED) or empty (fill == STYLE_EMPTY).
- *****************************************************************************/
-static void DrawRect( subpicture_t *p_subpic, int i_x1, int i_y1,
- int i_x2, int i_y2, short fill )
+ */
+static void DrawRect(subpicture_region_t *r, int fill,
+ int x1, int y1, int x2, int y2)
{
- int x, y;
- uint8_t *p_a = p_subpic->p_region->picture.A_PIXELS;
- int i_pitch = p_subpic->p_region->picture.Y_PITCH;
-
- if( fill == STYLE_FILLED )
- {
- for( y = i_y1; y <= i_y2; y++ )
- {
- for( x = i_x1; x <= i_x2; x++ )
- {
- p_a[ x + i_pitch * y ] = 0xff;
- }
+ uint8_t *a = r->p_picture->A_PIXELS;
+ int pitch = r->p_picture->A_PITCH;
+
+ if (fill == STYLE_FILLED) {
+ for (int y = y1; y <= y2; y++) {
+ for (int x = x1; x <= x2; x++)
+ a[x + pitch * y] = 0xff;
}
- }
- else
- {
- for( y = i_y1; y <= i_y2; y++ )
- {
- p_a[ i_x1 + i_pitch * y ] = 0xff;
- p_a[ i_x2 + i_pitch * y ] = 0xff;
+ } else {
+ for (int y = y1; y <= y2; y++) {
+ a[x1 + pitch * y] = 0xff;
+ a[x2 + pitch * y] = 0xff;
}
- for( x = i_x1; x <= i_x2; x++ )
- {
- p_a[ x + i_pitch * i_y1 ] = 0xff;
- p_a[ x + i_pitch * i_y2 ] = 0xff;
+ for (int x = x1; x <= x2; x++) {
+ a[x + pitch * y1] = 0xff;
+ a[x + pitch * y2] = 0xff;
}
}
}
-/*****************************************************************************
- * Draws a triangle at the given position in the subpic.
+/**
+ * Draws a triangle at the given position in the region.
* It may be filled (fill == STYLE_FILLED) or empty (fill == STYLE_EMPTY).
- *****************************************************************************/
-static void DrawTriangle( subpicture_t *p_subpic, int i_x1, int i_y1,
- int i_x2, int i_y2, short fill )
+ */
+static void DrawTriangle(subpicture_region_t *r, int fill,
+ int x1, int y1, int x2, int y2)
{
- int x, y, i_mid, h;
- uint8_t *p_a = p_subpic->p_region->picture.A_PIXELS;
- int i_pitch = p_subpic->p_region->picture.Y_PITCH;
-
- i_mid = i_y1 + ( ( i_y2 - i_y1 ) >> 1 );
-
- if( i_x2 >= i_x1 )
- {
- if( fill == STYLE_FILLED )
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- for( x = i_x1; x <= i_x1 + h && x <= i_x2; x++ )
- {
- p_a[ x + i_pitch * y ] = 0xff;
- p_a[ x + i_pitch * ( i_y2 - h ) ] = 0xff;
+ uint8_t *a = r->p_picture->A_PIXELS;
+ int pitch = r->p_picture->A_PITCH;
+ const int mid = y1 + (y2 - y1) / 2;
+
+ /* TODO factorize it */
+ if (x2 >= x1) {
+ if (fill == STYLE_FILLED) {
+ for (int y = y1; y <= mid; y++) {
+ int h = y - y1;
+ for (int x = x1; x <= x1 + h && x <= x2; x++) {
+ a[x + pitch * y ] = 0xff;
+ a[x + pitch * (y2 - h)] = 0xff;
}
}
- }
- else
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- p_a[ i_x1 + i_pitch * y ] = 0xff;
- p_a[ i_x1 + h + i_pitch * y ] = 0xff;
- p_a[ i_x1 + i_pitch * ( i_y2 - h ) ] = 0xff;
- p_a[ i_x1 + h + i_pitch * ( i_y2 - h ) ] = 0xff;
+ } else {
+ for (int y = y1; y <= mid; y++) {
+ int h = y - y1;
+ a[x1 + pitch * y ] = 0xff;
+ a[x1 + h + pitch * y ] = 0xff;
+ a[x1 + pitch * (y2 - h)] = 0xff;
+ a[x1 + h + pitch * (y2 - h)] = 0xff;
}
}
- }
- else
- {
- if( fill == STYLE_FILLED )
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- for( x = i_x1; x >= i_x1 - h && x >= i_x2; x-- )
- {
- p_a[ x + i_pitch * y ] = 0xff;
- p_a[ x + i_pitch * ( i_y2 - h ) ] = 0xff;
+ } else {
+ if( fill == STYLE_FILLED) {
+ for (int y = y1; y <= mid; y++) {
+ int h = y - y1;
+ for (int x = x1; x >= x1 - h && x >= x2; x--) {
+ a[x + pitch * y ] = 0xff;
+ a[x + pitch * (y2 - h)] = 0xff;
}
}
- }
- else
- {
- for( y = i_y1; y <= i_mid; y++ )
- {
- h = y - i_y1;
- p_a[ i_x1 + i_pitch * y ] = 0xff;
- p_a[ i_x1 - h + i_pitch * y ] = 0xff;
- p_a[ i_x1 + i_pitch * ( i_y2 - h ) ] = 0xff;
- p_a[ i_x1 - h + i_pitch * ( i_y2 - h ) ] = 0xff;
+ } else {
+ for (int y = y1; y <= mid; y++) {
+ int h = y - y1;
+ a[ x1 + pitch * y ] = 0xff;
+ a[ x1 - h + pitch * y ] = 0xff;
+ a[ x1 + pitch * (y2 - h)] = 0xff;
+ a[ x1 - h + pitch * (y2 - h)] = 0xff;
}
}
}
}
-/*****************************************************************************
- * Create Picture: creates subpicture region and picture
- *****************************************************************************/
-static void CreatePicture( spu_t *p_spu, subpicture_t *p_subpic,
- int i_x, int i_y, int i_width, int i_height )
+/**
+ * Create a region with a white transparent picture.
+ */
+static subpicture_region_t *OSDRegion(int x, int y, int width, int height)
{
- uint8_t *p_y, *p_u, *p_v, *p_a;
video_format_t fmt;
- int i_pitch;
-
- /* Create a new subpicture region */
- memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_FOURCC('Y','U','V','A');
- fmt.i_aspect = VOUT_ASPECT_FACTOR;
- fmt.i_width = fmt.i_visible_width = i_width;
- fmt.i_height = fmt.i_visible_height = i_height;
- fmt.i_x_offset = fmt.i_y_offset = 0;
- p_subpic->p_region = p_subpic->pf_create_region( VLC_OBJECT(p_spu), &fmt );
- if( !p_subpic->p_region )
- {
- msg_Err( p_spu, "cannot allocate SPU region" );
- return;
+ video_format_Init(&fmt, VLC_CODEC_YUVA);
+ fmt.i_width =
+ fmt.i_visible_width = width;
+ fmt.i_height =
+ fmt.i_visible_height = height;
+ fmt.i_sar_num = 0;
+ fmt.i_sar_den = 1;
+
+ subpicture_region_t *r = subpicture_region_New(&fmt);
+ if (!r)
+ return NULL;
+ r->i_x = x;
+ r->i_y = y;
+
+ for (int i = 0; i < r->p_picture->i_planes; i++) {
+ plane_t *p = &r->p_picture->p[i];
+ int colors[PICTURE_PLANE_MAX] = {
+ 0xff, 0x80, 0x80, 0x00
+ };
+ memset(p->p_pixels, colors[i], p->i_pitch * height);
}
-
- p_subpic->p_region->i_x = i_x;
- p_subpic->p_region->i_y = i_y;
- p_y = p_subpic->p_region->picture.Y_PIXELS;
- p_u = p_subpic->p_region->picture.U_PIXELS;
- p_v = p_subpic->p_region->picture.V_PIXELS;
- p_a = p_subpic->p_region->picture.A_PIXELS;
- i_pitch = p_subpic->p_region->picture.Y_PITCH;
-
- /* Initialize the region pixels (only the alpha will be changed later) */
- memset( p_y, 0xff, i_pitch * p_subpic->p_region->fmt.i_height );
- memset( p_u, 0x80, i_pitch * p_subpic->p_region->fmt.i_height );
- memset( p_v, 0x80, i_pitch * p_subpic->p_region->fmt.i_height );
- memset( p_a, 0x00, i_pitch * p_subpic->p_region->fmt.i_height );
+ return r;
}
-/*****************************************************************************
- * Creates and initializes an OSD widget.
- *****************************************************************************/
-subpicture_t *vout_CreateWidget( spu_t *p_spu, int i_channel )
-{
- subpicture_t *p_subpic;
- mtime_t i_now = mdate();
-
- /* Create and initialize a subpicture */
- p_subpic = spu_CreateSubpicture( p_spu );
- if( p_subpic == NULL ) return NULL;
-
- p_subpic->i_channel = i_channel;
- p_subpic->i_start = i_now;
- p_subpic->i_stop = i_now + 1200000;
- p_subpic->b_ephemer = VLC_TRUE;
- p_subpic->b_fade = VLC_TRUE;
-
- return p_subpic;
-}
-
-/*****************************************************************************
- * Displays an OSD slider.
+/**
+ * Create the region for an OSD slider.
* Types are: OSD_HOR_SLIDER and OSD_VERT_SLIDER.
- *****************************************************************************/
-void vout_OSDSlider( vlc_object_t *p_caller, int i_channel, int i_position,
- short i_type )
+ */
+static subpicture_region_t *OSDSlider(int type, int position,
+ const video_format_t *fmt)
{
- vout_thread_t *p_vout = vlc_object_find( p_caller, VLC_OBJECT_VOUT,
- FIND_ANYWHERE );
- subpicture_t *p_subpic;
- int i_x_margin, i_y_margin, i_x, i_y, i_width, i_height;
+ const int size = __MAX(fmt->i_visible_width, fmt->i_visible_height);
+ const int margin = size * 0.10;
- if( p_vout == NULL || !config_GetInt( p_caller, "osd" ) || i_position < 0 )
- {
- return;
+ int x, y;
+ int width, height;
+ if (type == OSD_HOR_SLIDER) {
+ width = __MAX(fmt->i_visible_width - 2 * margin, 1);
+ height = __MAX(fmt->i_visible_height * 0.05, 1);
+ x = __MIN(fmt->i_x_offset + margin, fmt->i_visible_width - width);
+ y = __MAX(fmt->i_y_offset + fmt->i_visible_height - margin, 0);
+ } else {
+ width = __MAX(fmt->i_visible_width * 0.025, 1);
+ height = __MAX(fmt->i_visible_height - 2 * margin, 1);
+ x = __MAX(fmt->i_x_offset + fmt->i_visible_width - margin, 0);
+ y = __MIN(fmt->i_y_offset + margin, fmt->i_visible_height - height);
}
- p_subpic = vout_CreateWidget( p_vout->p_spu, i_channel );
- if( p_subpic == NULL )
- {
- return;
+ subpicture_region_t *r = OSDRegion(x, y, width, height);
+ if( !r)
+ return NULL;
+
+ if (type == OSD_HOR_SLIDER) {
+ int pos_x = (width - 2) * position / 100;
+ DrawRect(r, STYLE_FILLED, pos_x - 1, 2, pos_x + 1, height - 3);
+ DrawRect(r, STYLE_EMPTY, 0, 0, width - 1, height - 1);
+ } else {
+ int pos_mid = height / 2;
+ int pos_y = height - (height - 2) * position / 100;
+ DrawRect(r, STYLE_FILLED, 2, pos_y, width - 3, height - 3);
+ DrawRect(r, STYLE_FILLED, 1, pos_mid, 1, pos_mid );
+ DrawRect(r, STYLE_FILLED, width - 2, pos_mid, width - 2, pos_mid );
+ DrawRect(r, STYLE_EMPTY, 0, 0, width - 1, height - 1);
}
+ return r;
+}
- i_y_margin = p_vout->render.i_height / 10;
- i_x_margin = i_y_margin;
- if( i_type == OSD_HOR_SLIDER )
- {
- i_width = p_vout->render.i_width - 2 * i_x_margin;
- i_height = p_vout->render.i_height / 20;
- i_x = i_x_margin;
- i_y = p_vout->render.i_height - i_y_margin - i_height;
- }
- else
- {
- i_width = p_vout->render.i_width / 40;
- i_height = p_vout->render.i_height - 2 * i_y_margin;
- i_x = p_vout->render.i_width - i_x_margin - i_width;
- i_y = i_y_margin;
+/**
+ * Create the region for an OSD slider.
+ * Types are: OSD_PLAY_ICON, OSD_PAUSE_ICON, OSD_SPEAKER_ICON, OSD_MUTE_ICON
+ */
+static subpicture_region_t *OSDIcon(int type, const video_format_t *fmt)
+{
+ const float size_ratio = 0.05;
+ const float margin_ratio = 0.07;
+
+ const int size = __MAX(fmt->i_visible_width, fmt->i_visible_height);
+ const int width = size * size_ratio;
+ const int height = size * size_ratio;
+ const int x = fmt->i_x_offset + fmt->i_visible_width - margin_ratio * size - width;
+ const int y = fmt->i_y_offset + margin_ratio * size;
+
+ subpicture_region_t *r = OSDRegion(__MAX(x, 0),
+ __MIN(y, (int)fmt->i_visible_height - height),
+ width, height);
+ if (!r)
+ return NULL;
+
+ if (type == OSD_PAUSE_ICON) {
+ int bar_width = width / 3;
+ DrawRect(r, STYLE_FILLED, 0, 0, bar_width - 1, height -1);
+ DrawRect(r, STYLE_FILLED, width - bar_width, 0, width - 1, height - 1);
+ } else if (type == OSD_PLAY_ICON) {
+ int mid = height >> 1;
+ int delta = (width - mid) >> 1;
+ int y2 = ((height - 1) >> 1) * 2;
+ DrawTriangle(r, STYLE_FILLED, delta, 0, width - delta, y2);
+ } else {
+ int mid = height >> 1;
+ int delta = (width - mid) >> 1;
+ int y2 = ((height - 1) >> 1) * 2;
+ DrawRect(r, STYLE_FILLED, delta, mid / 2, width - delta, height - 1 - mid / 2);
+ DrawTriangle(r, STYLE_FILLED, width - delta, 0, delta, y2);
+ if (type == OSD_MUTE_ICON) {
+ uint8_t *a = r->p_picture->A_PIXELS;
+ int pitch = r->p_picture->A_PITCH;
+ for (int i = 1; i < pitch; i++) {
+ int k = i + (height - i - 1) * pitch;
+ a[k] = 0xff - a[k];
+ }
+ }
}
+ return r;
+}
- /* Create subpicture region and picture */
- CreatePicture( p_vout->p_spu, p_subpic, i_x, i_y, i_width, i_height );
+struct subpicture_updater_sys_t {
+ int type;
+ int position;
+};
- if( i_type == OSD_HOR_SLIDER )
- {
- int i_x_pos = ( i_width - 2 ) * i_position / 100;
- DrawRect( p_subpic, i_x_pos - 1, 2, i_x_pos + 1,
- i_height - 3, STYLE_FILLED );
- DrawRect( p_subpic, 0, 0, i_width - 1, i_height - 1, STYLE_EMPTY );
- }
- else if( i_type == OSD_VERT_SLIDER )
- {
- int i_y_pos = i_height / 2;
- DrawRect( p_subpic, 2, i_height - ( i_height - 2 ) * i_position / 100,
- i_width - 3, i_height - 3, STYLE_FILLED );
- DrawRect( p_subpic, 1, i_y_pos, 1, i_y_pos, STYLE_FILLED );
- DrawRect( p_subpic, i_width - 2, i_y_pos,
- i_width - 2, i_y_pos, STYLE_FILLED );
- DrawRect( p_subpic, 0, 0, i_width - 1, i_height - 1, STYLE_EMPTY );
- }
+static int OSDWidgetValidate(subpicture_t *subpic,
+ bool has_src_changed, const video_format_t *fmt_src,
+ bool has_dst_changed, const video_format_t *fmt_dst,
+ mtime_t ts)
+{
+ VLC_UNUSED(subpic); VLC_UNUSED(ts); VLC_UNUSED(fmt_src);
+ VLC_UNUSED(has_dst_changed); VLC_UNUSED(fmt_dst);
+
+ if (!has_src_changed && !has_dst_changed)
+ return VLC_SUCCESS;
+ return VLC_EGENERIC;
+}
- spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
+static void OSDWidgetUpdate(subpicture_t *subpic,
+ const video_format_t *fmt_src,
+ const video_format_t *fmt_dst,
+ mtime_t ts)
+{
+ subpicture_updater_sys_t *sys = subpic->updater.p_sys;
+ VLC_UNUSED(fmt_dst); VLC_UNUSED(ts);
- vlc_object_release( p_vout );
- return;
+ subpic->i_original_picture_width = fmt_src->i_width;
+ subpic->i_original_picture_height = fmt_src->i_height;
+ if (sys->type == OSD_HOR_SLIDER || sys->type == OSD_VERT_SLIDER)
+ subpic->p_region = OSDSlider(sys->type, sys->position, fmt_src);
+ else
+ subpic->p_region = OSDIcon(sys->type, fmt_src);
}
-/*****************************************************************************
- * Displays an OSD icon.
- * Types are: OSD_PLAY_ICON, OSD_PAUSE_ICON, OSD_SPEAKER_ICON, OSD_MUTE_ICON
- *****************************************************************************/
-void vout_OSDIcon( vlc_object_t *p_caller, int i_channel, short i_type )
+static void OSDWidgetDestroy(subpicture_t *subpic)
{
- vout_thread_t *p_vout = vlc_object_find( p_caller, VLC_OBJECT_VOUT,
- FIND_ANYWHERE );
- subpicture_t *p_subpic;
- int i_x_margin, i_y_margin, i_x, i_y, i_width, i_height;
+ free(subpic->updater.p_sys);
+}
- if( p_vout == NULL || !config_GetInt( p_caller, "osd" ) )
- {
+static void OSDWidget(vout_thread_t *vout, int channel, int type, int position)
+{
+ if (!var_InheritBool(vout, "osd"))
return;
- }
+ if (type == OSD_HOR_SLIDER || type == OSD_VERT_SLIDER)
+ position = __MIN(__MAX(position, 0), 100);
- p_subpic = vout_CreateWidget( p_vout->p_spu, i_channel );
- if( p_subpic == NULL )
- {
+ subpicture_updater_sys_t *sys = malloc(sizeof(*sys));
+ if (!sys)
+ return;
+ sys->type = type;
+ sys->position = position;
+
+ subpicture_updater_t updater = {
+ .pf_validate = OSDWidgetValidate,
+ .pf_update = OSDWidgetUpdate,
+ .pf_destroy = OSDWidgetDestroy,
+ .p_sys = sys,
+ };
+ subpicture_t *subpic = subpicture_New(&updater);
+ if (!subpic) {
+ free(sys);
return;
}
- i_y_margin = p_vout->render.i_height / 15;
- i_x_margin = i_y_margin;
- i_width = p_vout->render.i_width / 20;
- i_height = i_width;
- i_x = p_vout->render.i_width - i_x_margin - i_width;
- i_y = i_y_margin;
-
- /* Create subpicture region and picture */
- CreatePicture( p_vout->p_spu, p_subpic, i_x, i_y, i_width, i_height );
-
- if( i_type == OSD_PAUSE_ICON )
- {
- int i_bar_width = i_width / 3;
- DrawRect( p_subpic, 0, 0, i_bar_width - 1, i_height -1, STYLE_FILLED );
- DrawRect( p_subpic, i_width - i_bar_width, 0,
- i_width - 1, i_height - 1, STYLE_FILLED );
- }
- else if( i_type == OSD_PLAY_ICON )
- {
- int i_mid = i_height >> 1;
- int i_delta = ( i_width - i_mid ) >> 1;
- int i_y2 = ( ( i_height - 1 ) >> 1 ) * 2;
- DrawTriangle( p_subpic, i_delta, 0, i_width - i_delta, i_y2,
- STYLE_FILLED );
- }
- else if( i_type == OSD_SPEAKER_ICON || i_type == OSD_MUTE_ICON )
- {
- int i_mid = i_height >> 1;
- int i_delta = ( i_width - i_mid ) >> 1;
- int i_y2 = ( ( i_height - 1 ) >> 1 ) * 2;
- DrawRect( p_subpic, i_delta, i_mid / 2, i_width - i_delta,
- i_height - 1 - i_mid / 2, STYLE_FILLED );
- DrawTriangle( p_subpic, i_width - i_delta, 0, i_delta, i_y2,
- STYLE_FILLED );
- if( i_type == OSD_MUTE_ICON )
- {
- uint8_t *p_a = p_subpic->p_region->picture.A_PIXELS;
- int i_pitch = p_subpic->p_region->picture.Y_PITCH;
- int i;
- for( i = 1; i < i_pitch; i++ )
- {
- int k = i + ( i_height - i - 1 ) * i_pitch;
- p_a[ k ] = 0xff - p_a[ k ];
- }
- }
- }
+ subpic->i_channel = channel;
+ subpic->i_start = mdate();
+ subpic->i_stop = subpic->i_start + 1200000;
+ subpic->b_ephemer = true;
+ subpic->b_absolute = true;
+ subpic->b_fade = true;
+
+ vout_PutSubpicture(vout, subpic);
+}
- spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
+void vout_OSDSlider(vout_thread_t *vout, int channel, int position, short type)
+{
+ OSDWidget(vout, channel, type, position);
+}
- vlc_object_release( p_vout );
- return;
+void vout_OSDIcon(vout_thread_t *vout, int channel, short type )
+{
+ OSDWidget(vout, channel, type, 0);
}
+