/*****************************************************************************
* video_widgets.c : OSD widgets manipulation functions
*****************************************************************************
- * Copyright (C) 2004-2005 the VideoLAN team
+ * 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
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+#include <assert.h>
-#include <vlc/vlc.h>
+#include <vlc_common.h>
#include <vlc_vout.h>
-#include <vlc_osd.h>
+#include <vlc_vout_osd.h>
#include <vlc_filter.h>
-/*****************************************************************************
- * Displays an OSD slider.
+#define STYLE_EMPTY 0
+#define STYLE_FILLED 1
+
+/**
+ * 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_region_t *r, int fill,
+ int x1, int y1, int x2, int y2)
+{
+ 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 (int y = y1; y <= y2; y++) {
+ a[x1 + pitch * y] = 0xff;
+ a[x2 + pitch * y] = 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 region.
+ * It may be filled (fill == STYLE_FILLED) or empty (fill == STYLE_EMPTY).
+ */
+static void DrawTriangle(subpicture_region_t *r, int fill,
+ int x1, int y1, int x2, int y2)
+{
+ 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 (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 (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 (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 a region with a white transparent picture.
+ */
+static subpicture_region_t *OSDRegion(int x, int y, int width, int height)
+{
+ video_format_t fmt;
+ 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);
+ }
+ return r;
+}
+
+/**
+ * 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 );
-
- if( p_vout && ( config_GetInt( p_caller, "osd" ) || ( i_position >= 0 ) ) )
- {
- osd_Slider( p_caller, p_vout->p_spu, p_vout->render.i_width,
- p_vout->render.i_height, p_vout->fmt_in.i_x_offset,
- p_vout->fmt_in.i_height - p_vout->fmt_in.i_visible_height
- - p_vout->fmt_in.i_y_offset,
- i_channel, i_position, i_type );
+ const int size = __MAX(fmt->i_visible_width, fmt->i_visible_height);
+ const int margin = size * 0.10;
+
+ 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);
}
- vlc_object_release( p_vout );
+
+ 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;
}
-/*****************************************************************************
- * Displays an OSD icon.
+/**
+ * Create the region for an OSD slider.
* 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 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;
+}
+
+struct subpicture_updater_sys_t {
+ int type;
+ int position;
+};
+
+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;
+}
+
+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);
+
+ 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);
+}
+
+static void OSDWidgetDestroy(subpicture_t *subpic)
{
- vout_thread_t *p_vout = vlc_object_find( p_caller, VLC_OBJECT_VOUT,
- FIND_ANYWHERE );
-
- if( !p_vout ) return;
-
- if( config_GetInt( p_caller, "osd" ) )
- {
- osd_Icon( p_caller,
- p_vout->p_spu,
- p_vout->render.i_width,
- p_vout->render.i_height,
- p_vout->fmt_in.i_width - p_vout->fmt_in.i_visible_width
- - p_vout->fmt_in.i_x_offset,
- p_vout->fmt_in.i_y_offset,
- i_channel, i_type );
+ free(subpic->updater.p_sys);
+}
+
+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);
+
+ 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;
}
- vlc_object_release( p_vout );
+
+ 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);
+}
+
+void vout_OSDSlider(vout_thread_t *vout, int channel, int position, short type)
+{
+ OSDWidget(vout, channel, type, position);
+}
+
+void vout_OSDIcon(vout_thread_t *vout, int channel, short type )
+{
+ OSDWidget(vout, channel, type, 0);
}
projects / vlc / blobdiff