blob: 515649d07bb822763aecc6aea93202aa08f58486 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CAST_STANDALONE_RECEIVER_SDL_VIDEO_PLAYER_H_
#define CAST_STANDALONE_RECEIVER_SDL_VIDEO_PLAYER_H_
#include "cast/standalone_receiver/sdl_player_base.h"
namespace cast {
namespace streaming {
// Consumes frames from a Receiver, decodes them, and renders them to a
// SDL_Renderer.
class SDLVideoPlayer : public SDLPlayerBase {
public:
// |error_callback| is run only if a fatal error occurs, at which point the
// player has halted and set |error_status()|.
SDLVideoPlayer(openscreen::ClockNowFunctionPtr now_function,
openscreen::TaskRunner* task_runner,
Receiver* receiver,
SDL_Renderer* renderer,
std::function<void()> error_callback);
~SDLVideoPlayer() final;
private:
// Renders the "blue splash" (if waiting) or "red splash" (on error), or
// otherwise re-renders |frame|; scheduling presentation at an "idle FPS"
// rate.
bool RenderWhileIdle(const SDLPlayerBase::PresentableFrame* frame) final;
// Uploads the decoded picture in |frame| to a SDL texture and draws it using
// the SDL |renderer_|.
openscreen::ErrorOr<openscreen::Clock::time_point> RenderNextFrame(
const SDLPlayerBase::PresentableFrame& frame) final;
// Makes whatever is currently drawn to the SDL |renderer_| be presented
// on-screen.
void Present() final;
// Maps an AVFrame format enum to the SDL equivalent.
static uint32_t GetSDLPixelFormat(const AVFrame& picture);
// The SDL renderer drawn to.
SDL_Renderer* const renderer_;
// The SDL texture to which the current frame's image is uploaded for
// accelerated 2D rendering.
SDLTextureUniquePtr texture_;
};
} // namespace streaming
} // namespace cast
#endif // CAST_STANDALONE_RECEIVER_SDL_VIDEO_PLAYER_H_
|
