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https://github.com/signalwire/freeswitch.git
synced 2026-10-27 05:34:17 +00:00
FS-7506 FS-7513: set banner with video_banner_text variable set before calling in, NEEDS DOCS params are parsable inside a {} string
This commit is contained in:
Anthony Minessale authored and Michael Jerris committed
1 parent
9d7eef28e6
commit
0697db4fb4
9 files changed
+1067
-196
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@@ -358,8 +358,14 @@ typedef struct mcu_layer_s {
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int member_id;
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int idx;
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int tagged;
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int screen_w;
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int screen_h;
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int x_pos;
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int y_pos;
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switch_image_t *img;
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switch_image_t *cur_img;
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switch_image_t *banner_img;
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switch_img_txt_handle_t *txthandle;
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} mcu_layer_t;
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typedef struct mcu_canvas_s {
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@@ -702,132 +708,6 @@ typedef struct layout_group_s {
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} layout_group_t;
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#include "utf8.h"
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static const u_int32_t offsetsFromUTF8[6] = {
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0x00000000UL, 0x00003080UL, 0x000E2080UL,
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0x03C82080UL, 0xFA082080UL, 0x82082080UL
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};
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/* reads the next utf-8 sequence out of a string, updating an index */
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uint32_t get_utf8_char(char *s, int *i)
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{
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u_int32_t ch = 0;
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int sz = 0;
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do {
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ch <<= 6;
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ch += (unsigned char)s[(*i)++];
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sz++;
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} while (s[*i] && !isutf(s[*i]));
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ch -= offsetsFromUTF8[sz-1];
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return ch;
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}
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_GLYPH_H
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static void draw_bitmap(switch_image_t *img, FT_Bitmap* bitmap, FT_Int x, FT_Int y, switch_yuv_color_t color)
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{
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FT_Int i, j, p, q;
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FT_Int x_max = x + bitmap->width;
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FT_Int y_max = y + bitmap->rows;
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switch (bitmap->pixel_mode) {
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case FT_PIXEL_MODE_GRAY: // it should always be GRAY since we use FT_LOAD_RENDER?
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break;
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case FT_PIXEL_MODE_NONE:
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case FT_PIXEL_MODE_MONO:
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case FT_PIXEL_MODE_GRAY2:
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case FT_PIXEL_MODE_GRAY4:
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case FT_PIXEL_MODE_LCD:
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case FT_PIXEL_MODE_LCD_V:
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "unsupported pixel mode %d\n", bitmap->pixel_mode);
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return;
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}
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for ( i = x, p = 0; i < x_max; i++, p++ ) {
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for ( j = y, q = 0; j < y_max; j++, q++ ) {
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if ( i < 0 || j < 0 || i >= img->d_w || j >= img->d_h) continue;
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if (bitmap->buffer[q * bitmap->width + p] > 128) {
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switch_img_draw_pixel(img, i, j, color);
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}
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}
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}
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}
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SWITCH_DECLARE(void) switch_img_draw_text(switch_image_t *img, int x, int y, switch_yuv_color_t color, uint16_t font_size, char *text)
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{
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FT_Library library;
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FT_Face face;
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FT_GlyphSlot slot;
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FT_Matrix matrix; /* transformation matrix */
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FT_Vector pen; /* untransformed origin */
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FT_Error error;
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// char* font_family = "/usr/local/freeswitch/SimHei.ttf";
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char* font_family = "/usr/local/freeswitch/Arial.ttf";
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double angle;
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int target_height;
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int index = 0;
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FT_ULong ch;
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if (zstr(text)) return;
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angle = 0; // (45.0 / 360 ) * 3.14159 * 2;
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target_height = img->d_h;
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error = FT_Init_FreeType( &library ); /* initialize library */
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if (error) return;
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error = FT_New_Face(library, font_family, 0, &face); /* create face object */
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if (error) return;
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/* use 50pt at 100dpi */
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error = FT_Set_Char_Size(face, 64 * font_size, 0, 96, 96); /* set character size */
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if (error) return;
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slot = face->glyph;
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/* set up matrix */
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matrix.xx = (FT_Fixed)( cos( angle ) * 0x10000L );
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matrix.xy = (FT_Fixed)(-sin( angle ) * 0x10000L );
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matrix.yx = (FT_Fixed)( sin( angle ) * 0x10000L );
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matrix.yy = (FT_Fixed)( cos( angle ) * 0x10000L );
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pen.x = x * 64;
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pen.y = (target_height - y) * 64;
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while(*(text + index)) {
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ch = get_utf8_char(text, &index);
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if (ch == '\n') {
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pen.x = x * 64;
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pen.y -= (font_size + font_size / 4) * 64;
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continue;
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}
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/* set transformation */
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FT_Set_Transform(face, &matrix, &pen);
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/* load glyph image into the slot (erase previous one) */
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error = FT_Load_Char(face, ch, FT_LOAD_RENDER);
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if (error) continue;
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/* now, draw to our target surface (convert position) */
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draw_bitmap(img, &slot->bitmap, slot->bitmap_left, target_height - slot->bitmap_top + font_size, color);
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/* increment pen position */
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pen.x += slot->advance.x;
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pen.y += slot->advance.y;
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}
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FT_Done_Face(face);
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FT_Done_FreeType(library);
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}
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static void conference_parse_layouts(conference_obj_t *conference)
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{
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@@ -1021,32 +901,22 @@ static void reset_image(switch_image_t *img, switch_yuv_color_t *color)
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static void reset_layer(mcu_canvas_t *canvas, mcu_layer_t *layer)
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{
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int x = 0, y = 0;
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int screen_w = 0, screen_h = 0;
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layer->tagged = 0;
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screen_w = canvas->img->d_w * layer->geometry.scale / SCALE_FACTOR;
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screen_h = canvas->img->d_h * layer->geometry.scale / SCALE_FACTOR;
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switch_img_free(&layer->banner_img);
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if (screen_w % 2) screen_w++; // round to even
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if (screen_h % 2) screen_h++; // round to even
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x = canvas->img->d_w * layer->geometry.x / SCALE_FACTOR;
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y = canvas->img->d_h * layer->geometry.y / SCALE_FACTOR;
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if (layer->img && (layer->img->d_w != screen_w || layer->img->d_h != screen_h)) {
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if (layer->img && (layer->img->d_w != layer->screen_w || layer->img->d_h != layer->screen_h)) {
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switch_img_free(&layer->img);
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}
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if (!layer->img) {
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layer->img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, screen_w, screen_h, 1);
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layer->img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, layer->screen_w, layer->screen_h, 1);
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}
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switch_assert(layer->img);
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reset_image(layer->img, &canvas->bgcolor);
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switch_img_patch(canvas->img, layer->img, x, y);
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switch_img_patch(canvas->img, layer->img, layer->x_pos, layer->y_pos);
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switch_img_free(&layer->cur_img);
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}
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@@ -1054,29 +924,27 @@ static void reset_layer(mcu_canvas_t *canvas, mcu_layer_t *layer)
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static void scale_and_patch(conference_obj_t *conference, mcu_layer_t *layer)
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{
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int ret;
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int x = 0, y = 0;
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switch_image_t *IMG = conference->canvas->img, *img = layer->cur_img;
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if (layer->geometry.scale) {
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int screen_w = 0, screen_h = 0, img_w = 0, img_h = 0;
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int img_w = 0, img_h = 0;
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double screen_aspect = 0, img_aspect = 0;
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img_w = layer->screen_w = IMG->d_w * layer->geometry.scale / SCALE_FACTOR;
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img_h = layer->screen_h = IMG->d_h * layer->geometry.scale / SCALE_FACTOR;
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img_w = screen_w = IMG->d_w * layer->geometry.scale / SCALE_FACTOR;
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img_h = screen_h = IMG->d_h * layer->geometry.scale / SCALE_FACTOR;
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layer->x_pos = IMG->d_w * layer->geometry.x / SCALE_FACTOR;
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layer->y_pos = IMG->d_h * layer->geometry.y / SCALE_FACTOR;
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x = IMG->d_w * layer->geometry.x / SCALE_FACTOR;
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y = IMG->d_h * layer->geometry.y / SCALE_FACTOR;
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screen_aspect = (double) screen_w / screen_h;
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screen_aspect = (double) layer->screen_w / layer->screen_h;
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img_aspect = (double) img->d_w / img->d_h;
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if (screen_aspect > img_aspect) {
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img_w = img_aspect * screen_h;
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x += (screen_w - img_w) / 2;
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img_w = img_aspect * layer->screen_h;
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layer->x_pos += (layer->screen_w - img_w) / 2;
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} else if (screen_aspect < img_aspect) {
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img_h = screen_w / img_aspect;
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y += (screen_h - img_h) / 2;
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img_h = layer->screen_w / img_aspect;
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layer->y_pos += (layer->screen_h - img_h) / 2;
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}
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@@ -1121,11 +989,15 @@ static void scale_and_patch(conference_obj_t *conference, mcu_layer_t *layer)
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// reserv the bottom room for text, e.g. caller id
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// switch_img_set_rect(layer->img, 0, 0, layer->img->d_w, layer->img->d_h - 20);
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}
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switch_img_patch(IMG, layer->img, x, y);
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switch_img_patch(IMG, layer->img, layer->x_pos, layer->y_pos);
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}
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} else {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG10, "insert at %d,%d\n", x, y);
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switch_img_patch(IMG, img, x, y);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG10, "insert at %d,%d\n", 0, 0);
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switch_img_patch(IMG, img, 0, 0);
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}
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if (layer->banner_img) {
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switch_img_patch(IMG, layer->banner_img, layer->x_pos, layer->y_pos + (layer->screen_h - layer->banner_img->d_h));
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}
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}
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@@ -1165,6 +1037,10 @@ static void detach_video_layer(conference_member_t *member)
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conf_api_sub_position(member, NULL, "0:0:0");
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}
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if (layer->txthandle) {
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switch_img_txt_handle_destroy(&layer->txthandle);
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}
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reset_layer(member->conference->canvas, layer);
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layer->member_id = 0;
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member->video_layer_id = -1;
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@@ -1172,13 +1048,74 @@ static void detach_video_layer(conference_member_t *member)
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switch_mutex_unlock(member->conference->canvas->mutex);
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}
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static void layer_set_banner(mcu_layer_t *layer, const char *text)
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{
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switch_yuv_color_t fgcolor, bgcolor;
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int font_size = 24;
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const char *fg = "#cccccc";
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const char *bg = "#142e55";
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char *parsed = NULL;
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switch_event_t *params = NULL;
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const char *font_face = "/usr/share/fonts/truetype/freefont/FreeSansOblique.ttf";
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const char *var;
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if (*text == '{') {
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if (switch_event_create_brackets((char *)text, '{', '}', ',', ¶ms, &parsed, SWITCH_FALSE) != SWITCH_STATUS_SUCCESS || !parsed) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Parse Error!\n");
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} else {
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text = parsed;
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}
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}
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if (params) {
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if ((var = switch_event_get_header(params, "fg"))) {
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fg = var;
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}
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if ((var = switch_event_get_header(params, "bg"))) {
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bg = var;
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}
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if ((var = switch_event_get_header(params, "font_face"))) {
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font_face = var;
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}
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if ((var = switch_event_get_header(params, "font_size"))) {
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int tmp = atoi(var);
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if (tmp >= 5 && tmp <= 50) {
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font_size = tmp;
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}
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}
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}
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switch_color_set(&fgcolor, fg);
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switch_color_set(&bgcolor, bg);
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switch_img_free(&layer->banner_img);
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layer->banner_img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, layer->screen_w, font_size * 2, 1);
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if (layer->txthandle) {
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switch_img_txt_handle_destroy(&layer->txthandle);
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}
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switch_img_txt_handle_create(&layer->txthandle, font_face, fg, font_size, 0, NULL);
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reset_image(layer->banner_img, &bgcolor);
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switch_img_txt_handle_render(layer->txthandle, layer->banner_img, font_size / 2, font_size / 2, text, NULL, NULL, 0, 0);
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switch_safe_free(parsed);
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if (params) switch_event_destroy(¶ms);
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}
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static switch_status_t attach_video_layer(conference_member_t *member, int idx)
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{
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mcu_layer_t *layer = NULL;
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switch_channel_t *channel = NULL;
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const char *res_id = NULL;
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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const char *banner = NULL;
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if (!member->session) abort();
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switch_mutex_lock(member->conference->canvas->mutex);
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@@ -1206,6 +1143,10 @@ static switch_status_t attach_video_layer(conference_member_t *member, int idx)
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}
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}
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if ((banner = switch_channel_get_variable_dup(channel, "video_banner_text", SWITCH_FALSE, -1))) {
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layer_set_banner(layer, banner);
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}
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layer->member_id = member->id;
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member->video_layer_id = idx;
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check_used_layers(member->conference);
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@@ -1239,6 +1180,17 @@ static void init_canvas_layers(conference_obj_t *conference, video_layout_t *vla
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layer->geometry.floor = vlayout->images[i].floor;
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layer->idx = i;
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layer->screen_w = conference->canvas->img->d_w * layer->geometry.scale / SCALE_FACTOR;
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layer->screen_h = conference->canvas->img->d_h * layer->geometry.scale / SCALE_FACTOR;
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if (layer->screen_w % 2) layer->screen_w++; // round to even
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if (layer->screen_h % 2) layer->screen_h++; // round to even
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layer->x_pos = conference->canvas->img->d_w * layer->geometry.x / SCALE_FACTOR;
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layer->y_pos = conference->canvas->img->d_h * layer->geometry.y / SCALE_FACTOR;
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if (layer->geometry.floor) {
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conference->canvas->layout_floor_id = i;
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}
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@@ -1570,18 +1522,24 @@ static void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread
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}
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}
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if (1) {
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if (0) {
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switch_img_txt_handle_t *txthandle = NULL;
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switch_yuv_color_t color;
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switch_color_set(&color, "#FFFFFF");
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switch_img_draw_text(conference->canvas->img, 10, 10, color, 12, "AVA 123 你好 FreeSWITCH\nFreeSWITCH Rocks!");
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switch_img_draw_text(conference->canvas->img, 10, 40, color, 16, "AVA 123 你好 FreeSWITCH\nFreeSWITCH Rocks!");
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switch_img_draw_text(conference->canvas->img, 10, 80, color, 24, "AVA 123 你好 FreeSWITCH\nFreeSWITCH Rocks!");
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switch_img_draw_text(conference->canvas->img, 10, 160, color, 36, "AVA 123 你好 FreeSWITCH\nFreeSWITCH Rocks!");
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switch_img_draw_text(conference->canvas->img, 10, 300, color, 72, "AVA 123 你好 FreeSWITCH\nFreeSWITCH Rocks!");
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switch_img_fill(conference->canvas->img, 300, 10, 400, 40, color);
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switch_img_txt_handle_create(&txthandle, "/usr/share/fonts/truetype/Microsoft/Verdana.ttf",
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"#FFFFFF", 24, 0, NULL);
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switch_img_txt_handle_render(txthandle, conference->canvas->img, 10, 10, "W00t this works!", NULL, NULL, 0, 0);
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switch_color_set(&color, "#FF0000");
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switch_img_draw_text(conference->canvas->img, 300, 10, color, 32, "FreeSWITCH");
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switch_img_fill(conference->canvas->img, 300, 10, 400, 40, color);
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switch_img_txt_handle_render(txthandle, conference->canvas->img, 300, 22, "W00t this works!", NULL, NULL, 0, 0);
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switch_img_txt_handle_destroy(&txthandle);
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//switch_img_draw_text(conference->canvas->img, 300, 10, color, 32, "FreeSWITCH");
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}
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if (used) {
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@@ -1654,6 +1612,11 @@ static void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread
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switch_img_free(&layer->cur_img);
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switch_img_free(&layer->img);
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switch_img_free(&layer->banner_img);
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if (layer->txthandle) {
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switch_img_txt_handle_destroy(&layer->txthandle);
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}
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}
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for (i = 0; write_codecs[i] && switch_core_codec_ready(&write_codecs[i]->codec) && i < MAX_MUX_CODECS; i++) {
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