OLD | NEW |
---|---|
(Empty) | |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WEBKIT_MEDIA_CRYPTO_DECODERS_FFMPEG_VIDEO_DECODER_H_ | |
6 #define WEBKIT_MEDIA_CRYPTO_DECODERS_FFMPEG_VIDEO_DECODER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/compiler_specific.h" | |
10 #include "webkit/media/crypto/decoders/video_decoder.h" | |
11 #include "webkit/media/crypto/ppapi/content_decryption_module.h" | |
12 | |
13 struct AVCodecContext; | |
14 struct AVFrame; | |
15 | |
16 namespace webkit_media { | |
17 | |
18 class FFmpegVideoDecoder : public VideoDecoder { | |
19 public: | |
20 FFmpegVideoDecoder(); | |
21 virtual ~FFmpegVideoDecoder(); | |
22 virtual bool Initialize(const cdm::VideoDecoderConfig& config) OVERRIDE; | |
23 virtual bool DecodeFrame(const cdm::VideoFrame& compressed_frame, | |
24 cdm::VideoFrame* decompressed_frame) OVERRIDE; | |
25 | |
26 // Callback called from within FFmpeg to allocate a buffer based on | |
27 // the dimensions of |codec_context|. See AVCodecContext.get_buffer | |
28 // documentation inside FFmpeg. | |
29 int GetVideoBuffer(AVCodecContext *codec_context, AVFrame* frame); | |
30 | |
31 static bool IsValidConfig(cdm::VideoFrame::ColorFormat format, | |
32 const cdm::VideoFrame::Size& data_size); | |
33 | |
34 cdm::VideoFrame* CreateVideoFrame(cdm::VideoFrame::ColorFormat format, | |
ddorwin
2012/09/02 21:39:08
A FrameDescription object would be useful here too
| |
35 const cdm::VideoFrame::Size& size, | |
36 const base::TimeDelta& timestamp); | |
37 private: | |
38 void ReleaseFFmpegResources(); | |
39 | |
40 // FFmpeg structures owned by this object. | |
41 AVCodecContext* codec_context_; | |
42 AVFrame* av_frame_; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); | |
45 }; | |
46 | |
47 } // namespace webkit_media | |
48 | |
49 #endif // WEBKIT_MEDIA_CRYPTO_DECODERS_FFMPEG_VIDEO_DECODER_H_ | |
OLD | NEW |