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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_PPAPI_FFMPEG_CDM_VIDEO_DECODER_H_ | |
6 #define WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_VIDEO_DECODER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/compiler_specific.h" | |
10 #include "base/memory/ref_counted.h" | |
ddorwin
2012/10/17 03:18:20
still here
Tom Finegan
2012/10/17 04:25:29
But I fixed it in the .cc file... Done.
| |
11 #include "webkit/media/crypto/ppapi/content_decryption_module.h" | |
12 | |
13 struct AVCodecContext; | |
14 struct AVFrame; | |
15 | |
16 namespace webkit_media { | |
17 | |
18 static const uint32_t kBufferAlignment = 32; | |
19 static const uint32_t kBufferPadBytes = kBufferAlignment - 1; | |
20 static const int kDecodeThreads = 1; | |
21 | |
22 class FFmpegCdmVideoDecoder { | |
23 public: | |
24 FFmpegCdmVideoDecoder(cdm::Allocator* allocator); | |
25 ~FFmpegCdmVideoDecoder(); | |
26 bool Initialize(const cdm::VideoDecoderConfig& config); | |
27 void Deinitialize(); | |
28 void Reset(); | |
29 | |
30 // Decodes |compressed_frame|. Stores output frame in |decoded_frame| and | |
31 // returns |cdm::kSuccess| when an output frame is available. Returns | |
32 // |cdm::kNeedMoreData| when |compressed_frame| does not produce an output | |
33 // frame. Returns |cdm::kDecodeError| when decoding fails. | |
34 cdm::Status DecodeFrame(const uint8_t* compressed_frame, | |
35 int32_t compressed_frame_size, | |
36 int64_t timestamp, | |
37 cdm::VideoFrame* decoded_frame); | |
38 | |
39 private: | |
40 // Callback called from within FFmpeg to allocate a buffer based on | |
41 // the dimensions of |codec_context|. See AVCodecContext.get_buffer | |
42 // documentation inside FFmpeg. | |
43 int GetVideoBuffer(AVCodecContext* codec_context, AVFrame* frame); | |
44 | |
45 void ReleaseFFmpegResources(); | |
46 | |
47 // FFmpeg structures owned by this object. | |
48 AVCodecContext* codec_context_; | |
49 AVFrame* av_frame_; | |
50 | |
51 bool is_initialized_; | |
52 | |
53 cdm::Allocator* const allocator_; | |
54 cdm::VideoDecoderConfig config_; | |
55 | |
56 friend int GetCdmVideoBufferImpl(AVCodecContext* s, AVFrame* frame); | |
57 | |
58 DISALLOW_COPY_AND_ASSIGN(FFmpegCdmVideoDecoder); | |
59 }; | |
60 | |
61 } // namespace webkit_media | |
62 | |
63 #endif // WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_VIDEO_DECODER_H_ | |
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