This patch adds a client app which can be used to show the implementation of weston content-protection protocol. The app can request for Type-0 and Type-1 content or request for disabling content-protection to the content-protection server. It listens for the content-protection status change event from the server and accordingly display the required content. The content Type-0, Type-1 and unprotected contents are prepared using cairo surface, with different color and text to distinguish between the contents. Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>dev
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/*
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* Copyright © 2018 Intel Corporation |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice (including the next |
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* paragraph) shall be included in all copies or substantial portions of the |
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* Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "config.h" |
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#include <stdint.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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#include <math.h> |
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#include <cairo.h> |
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#include <sys/time.h> |
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#include <linux/input.h> |
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#include <wayland-client.h> |
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#include "weston-content-protection-client-protocol.h" |
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#include "window.h" |
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#include <wayland-client-protocol.h> |
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#define WIDTH 500 |
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#define HEIGHT 400 |
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#define FRAME_H 18 |
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#define FRAME_W 5 |
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#define BUTTON_WIDTH 65 |
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#define BUTTON_HEIGHT 20 |
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enum protection_mode { |
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RELAXED, |
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ENFORCED |
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}; |
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struct protected_content_player { |
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struct weston_content_protection *protection; |
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struct weston_protected_surface *psurface; |
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struct display *display; |
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struct window *window; |
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struct widget *widget; |
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struct button_t *b0, *b1, *off, *enforced, *relaxed; |
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int width, height, x, y; |
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enum weston_protected_surface_type protection_type; |
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enum protection_mode mode; |
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}; |
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struct button_t { |
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struct window *window; |
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struct widget *widget; |
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struct protected_content_player *pc_player; |
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const char *name; |
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}; |
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/**
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* An event to tell the client that there is a change in protection status |
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* |
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* This event is sent whenever there is a change in content |
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* protection. The content protection status can be ON or OFF. ON |
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* in case of the desired protection type is accepted on all |
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* connectors, and Off in case of any of the connector |
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* content-protection property is changed from "enabled" |
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*/ |
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static void |
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handle_status_changed(void *data, struct weston_protected_surface *psurface, |
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uint32_t status) |
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{ |
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struct protected_content_player *pc_player = data; |
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enum weston_protected_surface_type event_status = status; |
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switch (event_status) { |
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case WESTON_PROTECTED_SURFACE_TYPE_HDCP_0: |
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pc_player->protection_type = WESTON_PROTECTED_SURFACE_TYPE_HDCP_0; |
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break; |
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case WESTON_PROTECTED_SURFACE_TYPE_HDCP_1: |
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pc_player->protection_type = WESTON_PROTECTED_SURFACE_TYPE_HDCP_1; |
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break; |
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case WESTON_PROTECTED_SURFACE_TYPE_UNPROTECTED: |
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default: |
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pc_player->protection_type = WESTON_PROTECTED_SURFACE_TYPE_UNPROTECTED; |
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} |
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window_schedule_redraw(pc_player->window); |
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} |
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static const struct weston_protected_surface_listener pc_player_listener = { |
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handle_status_changed, |
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}; |
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static void |
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draw_content(cairo_surface_t *surface, int x, int y, int width, int height, |
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enum weston_protected_surface_type type, enum protection_mode mode) |
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{ |
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cairo_t *cr; |
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cairo_text_extents_t extents; |
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const char *content_text; |
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const char *mode_text; |
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cr = cairo_create(surface); |
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
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cairo_rectangle(cr, x, y, width, height); |
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if (type == WESTON_PROTECTED_SURFACE_TYPE_HDCP_0) |
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cairo_set_source_rgba(cr, 0, 1.0, 0, 1.0); |
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else if (type == WESTON_PROTECTED_SURFACE_TYPE_HDCP_1) |
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cairo_set_source_rgba(cr, 0, 0, 1.0, 1.0); |
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else |
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cairo_set_source_rgba(cr, 1.0, 0, 0, 1.0); |
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cairo_fill(cr); |
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cairo_set_source_rgba(cr, 0, 0, 0, 1.0); |
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cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_NORMAL, |
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CAIRO_FONT_WEIGHT_NORMAL); |
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cairo_set_font_size(cr, 15); |
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if (type == WESTON_PROTECTED_SURFACE_TYPE_HDCP_0) |
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content_text = "Content-Type : Type-0"; |
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else if (type == WESTON_PROTECTED_SURFACE_TYPE_HDCP_1) |
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content_text = "Content-Type : Type-1"; |
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else |
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content_text = "Content-Type : Unprotected"; |
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cairo_text_extents(cr, content_text, &extents); |
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cairo_move_to(cr, width/2 - (extents.width/2), |
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height/2 - (extents.height/2)); |
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cairo_show_text(cr, content_text); |
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if (mode == ENFORCED) |
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mode_text = "Mode : Enforced"; |
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else |
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mode_text = "Mode : Relaxed"; |
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cairo_text_extents(cr, mode_text, &extents); |
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cairo_move_to(cr, width / 2 - (extents.width / 2), |
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2 * height / 3 - (2 * extents.height / 3)); |
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cairo_show_text(cr, mode_text); |
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cairo_fill(cr); |
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cairo_destroy(cr); |
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} |
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static void |
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redraw_handler(struct widget *widget, void *data) |
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{ |
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struct protected_content_player *pc_player = data; |
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cairo_surface_t *surface; |
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struct rectangle rect; |
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widget_get_allocation(pc_player->widget, &rect); |
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surface = window_get_surface(pc_player->window); |
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if (surface == NULL || |
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cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) { |
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fprintf(stderr, "failed to create cairo egl surface\n"); |
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return; |
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} |
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draw_content(surface, rect.x, rect.y, rect.width, rect.height, |
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pc_player->protection_type, pc_player->mode); |
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cairo_surface_destroy(surface); |
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} |
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static void |
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resize_handler(struct widget *widget, int32_t width, int32_t height, void *data) |
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{ |
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struct rectangle allocation; |
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struct protected_content_player *pc_player = data; |
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widget_get_allocation(pc_player->widget, &allocation); |
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widget_set_allocation(pc_player->b0->widget, |
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allocation.x + 20, allocation.y + 30, |
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BUTTON_WIDTH, BUTTON_HEIGHT); |
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widget_set_allocation(pc_player->b1->widget, |
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allocation.x + 20 + BUTTON_WIDTH + 5, |
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allocation.y + 30, |
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BUTTON_WIDTH, BUTTON_HEIGHT); |
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widget_set_allocation(pc_player->off->widget, |
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allocation.x + 20 + 2 * (BUTTON_WIDTH + 5), |
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allocation.y + 30, |
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BUTTON_WIDTH, BUTTON_HEIGHT); |
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widget_set_allocation(pc_player->enforced->widget, |
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allocation.x + 20 + 3 * (BUTTON_WIDTH + 5), |
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allocation.y + 30, |
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BUTTON_WIDTH, BUTTON_HEIGHT); |
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widget_set_allocation(pc_player->relaxed->widget, |
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allocation.x + 20 + 4 * (BUTTON_WIDTH + 5), |
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allocation.y + 30, |
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BUTTON_WIDTH, BUTTON_HEIGHT); |
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} |
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static void |
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buttons_handler(struct widget *widget, struct input *input, uint32_t time, |
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uint32_t button, enum wl_pointer_button_state state, void *data) |
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{ |
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struct button_t *b = data; |
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struct protected_content_player *pc_player = b->pc_player; |
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struct wl_surface *surface; |
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if (strcmp(b->name, "ENFORCED") == 0) { |
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weston_protected_surface_enforce(pc_player->psurface); |
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pc_player->mode = ENFORCED; |
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window_schedule_redraw(pc_player->window); |
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} |
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else if (strcmp(b->name, "RELAXED") == 0) { |
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weston_protected_surface_relax(pc_player->psurface); |
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pc_player->mode = RELAXED; |
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window_schedule_redraw(pc_player->window); |
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} |
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else if (strcmp(b->name, "TYPE-0") == 0) |
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weston_protected_surface_set_type(pc_player->psurface, |
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WESTON_PROTECTED_SURFACE_TYPE_HDCP_0); |
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else if (strcmp(b->name, "TYPE-1") == 0) |
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weston_protected_surface_set_type(pc_player->psurface, |
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WESTON_PROTECTED_SURFACE_TYPE_HDCP_1); |
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else |
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weston_protected_surface_set_type(pc_player->psurface, |
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WESTON_PROTECTED_SURFACE_TYPE_UNPROTECTED); |
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surface = window_get_wl_surface(pc_player->window); |
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wl_surface_commit(surface); |
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} |
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static void |
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handle_global(struct display *display, uint32_t name, const char *interface, |
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uint32_t version, void *data) |
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{ |
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struct protected_content_player *pc_player = data; |
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if (strcmp(interface, "weston_content_protection") == 0) { |
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pc_player->protection = display_bind(display, name, |
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&weston_content_protection_interface, |
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1); |
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} |
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} |
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static void |
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buttons_redraw_handler(struct widget *widget, void *data) |
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{ |
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struct button_t *b = data; |
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cairo_surface_t *surface; |
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struct rectangle allocation; |
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cairo_t *cr; |
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surface = window_get_surface(b->window); |
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widget_get_allocation(b->widget, &allocation); |
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cr = cairo_create(surface); |
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cairo_rectangle(cr, allocation.x, allocation.y, allocation.width, |
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allocation.height); |
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
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cairo_set_source_rgba(cr, 1, 1, 1, 1); |
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cairo_fill(cr); |
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cairo_set_source_rgba(cr, 0, 0, 0, 1.0); |
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cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_NORMAL, |
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CAIRO_FONT_WEIGHT_NORMAL); |
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cairo_set_font_size(cr, 10); |
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cairo_move_to(cr, allocation.x + 5, allocation.y + 15); |
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cairo_show_text(cr, b->name); |
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cairo_fill(cr); |
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cairo_destroy(cr); |
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cairo_surface_destroy(surface); |
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} |
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static struct button_t* |
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create_button(struct protected_content_player *pc_player, const char *name) |
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{ |
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struct button_t *b; |
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b = zalloc(sizeof(struct button_t)); |
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if (b == NULL) { |
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fprintf(stderr, "Failed to allocate memory for button.\n"); |
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exit(0); |
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} |
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b->widget = widget_add_widget(pc_player->widget, b); |
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b->window = pc_player->window; |
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b->pc_player = pc_player; |
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b->name = name; |
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widget_set_redraw_handler(b->widget, buttons_redraw_handler); |
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widget_set_button_handler(b->widget, buttons_handler); |
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return b; |
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} |
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static void |
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destroy_button(struct button_t *b) |
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{ |
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if (!b) |
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return; |
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widget_destroy(b->widget); |
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free(b); |
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} |
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static void free_pc_player(struct protected_content_player *pc_player) |
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{ |
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if (!pc_player) |
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return; |
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destroy_button(pc_player->b0); |
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destroy_button(pc_player->b1); |
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destroy_button(pc_player->off); |
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destroy_button(pc_player->enforced); |
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destroy_button(pc_player->relaxed); |
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widget_destroy(pc_player->widget); |
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window_destroy(pc_player->window); |
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free(pc_player); |
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} |
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int main(int argc, char *argv[]) |
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{ |
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struct protected_content_player *pc_player; |
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struct display *d; |
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static const char str_type_0[] = "TYPE-0"; |
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static const char str_type_1[] = "TYPE-1"; |
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static const char str_type_off[] = "OFF"; |
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static const char str_type_enforced[] = "ENFORCED"; |
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static const char str_type_relaxed[] = "RELAXED"; |
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struct wl_surface *surface; |
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pc_player = zalloc(sizeof(struct protected_content_player)); |
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if (pc_player == NULL) { |
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fprintf(stderr, "failed to allocate memory: %m\n"); |
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return -1; |
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} |
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d = display_create(&argc, argv); |
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if (d == NULL) { |
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fprintf(stderr, "failed to create display: %m\n"); |
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return -1; |
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} |
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pc_player->protection_type = WESTON_PROTECTED_SURFACE_TYPE_UNPROTECTED; |
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pc_player->mode = RELAXED; |
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pc_player->width = WIDTH * 2.0/4.0; |
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pc_player->height = HEIGHT * 2.0/4.0; |
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pc_player->x = WIDTH * 1.0/4.0; |
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pc_player->y = HEIGHT * 1.0/4.0; |
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pc_player->window = window_create(d); |
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pc_player->widget = window_frame_create(pc_player->window, pc_player); |
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pc_player->display = d; |
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display_set_user_data(d, pc_player); |
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display_set_global_handler(d, handle_global); |
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surface = window_get_wl_surface(pc_player->window); |
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if (pc_player->protection == NULL) { |
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printf("The content-protection object is NULL\n"); |
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return -1; |
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} |
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pc_player->psurface = weston_content_protection_get_protection(pc_player->protection, |
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surface); |
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weston_protected_surface_add_listener(pc_player->psurface, |
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&pc_player_listener, |
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pc_player); |
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pc_player->b0 = create_button(pc_player, str_type_0); |
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pc_player->b1 = create_button(pc_player, str_type_1); |
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pc_player->off = create_button(pc_player, str_type_off); |
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pc_player->enforced = create_button(pc_player, str_type_enforced); |
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pc_player->relaxed = create_button(pc_player, str_type_relaxed); |
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window_set_title(pc_player->window, "Player"); |
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widget_set_redraw_handler(pc_player->widget, redraw_handler); |
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widget_set_resize_handler(pc_player->widget, resize_handler); |
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window_schedule_resize(pc_player->window, WIDTH, HEIGHT); |
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widget_schedule_redraw(pc_player->b0->widget); |
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widget_schedule_redraw(pc_player->b1->widget); |
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widget_schedule_redraw(pc_player->off->widget); |
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display_run(d); |
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weston_protected_surface_destroy(pc_player->psurface); |
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weston_content_protection_destroy(pc_player->protection); |
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free_pc_player(pc_player); |
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display_destroy(d); |
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return 0; |
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} |
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Reference in new issue