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Side by Side Diff: media/cdm/ppapi/ffmpeg_cdm_audio_decoder.h

Issue 22362007: Relocate last remnants of webkit/renderer/media code. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Make chromeos crypto dep explicit. Created 7 years, 4 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef WEBKIT_RENDERER_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_ 5 #ifndef MEDIA_CDM_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_
6 #define WEBKIT_RENDERER_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_ 6 #define MEDIA_CDM_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h" 11 #include "base/compiler_specific.h"
12 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/scoped_ptr.h"
13 #include "base/time/time.h" 13 #include "base/time/time.h"
14 #include "webkit/renderer/media/crypto/ppapi/cdm/content_decryption_module.h" 14 #include "media/cdm/ppapi/api/content_decryption_module.h"
15 15
16 struct AVCodecContext; 16 struct AVCodecContext;
17 struct AVFrame; 17 struct AVFrame;
18 18
19 namespace media { 19 namespace media {
20 class AudioBus; 20 class AudioBus;
21 class AudioTimestampHelper; 21 class AudioTimestampHelper;
22 } 22 }
23 23
24 namespace webkit_media { 24 namespace media {
25 25
26 // TODO(xhwang): This class is partially cloned from media::FFmpegAudioDecoder. 26 // TODO(xhwang): This class is partially cloned from FFmpegAudioDecoder. When
27 // When media::FFmpegAudioDecoder is updated, it's a pain to keep this class 27 // FFmpegAudioDecoder is updated, it's a pain to keep this class in sync with
28 // in sync with media::FFmpegAudioDecoder. We need a long term sustainable 28 // FFmpegAudioDecoder. We need a long term sustainable solution for this. See
29 // solution for this. See http://crbug.com/169203 29 // http://crbug.com/169203
30 class FFmpegCdmAudioDecoder { 30 class FFmpegCdmAudioDecoder {
31 public: 31 public:
32 explicit FFmpegCdmAudioDecoder(cdm::Host* host); 32 explicit FFmpegCdmAudioDecoder(cdm::Host* host);
33 ~FFmpegCdmAudioDecoder(); 33 ~FFmpegCdmAudioDecoder();
34 bool Initialize(const cdm::AudioDecoderConfig& config); 34 bool Initialize(const cdm::AudioDecoderConfig& config);
35 void Deinitialize(); 35 void Deinitialize();
36 void Reset(); 36 void Reset();
37 37
38 // Returns true when |config| is a valid audio decoder configuration. 38 // Returns true when |config| is a valid audio decoder configuration.
39 static bool IsValidConfig(const cdm::AudioDecoderConfig& config); 39 static bool IsValidConfig(const cdm::AudioDecoderConfig& config);
(...skipping 28 matching lines...) Expand all
68 68
69 // Audio format. 69 // Audio format.
70 int bits_per_channel_; 70 int bits_per_channel_;
71 int samples_per_second_; 71 int samples_per_second_;
72 int channels_; 72 int channels_;
73 73
74 // AVSampleFormat initially requested; not Chrome's SampleFormat. 74 // AVSampleFormat initially requested; not Chrome's SampleFormat.
75 int av_sample_format_; 75 int av_sample_format_;
76 76
77 // Used for computing output timestamps. 77 // Used for computing output timestamps.
78 scoped_ptr<media::AudioTimestampHelper> output_timestamp_helper_; 78 scoped_ptr<AudioTimestampHelper> output_timestamp_helper_;
79 int bytes_per_frame_; 79 int bytes_per_frame_;
80 base::TimeDelta last_input_timestamp_; 80 base::TimeDelta last_input_timestamp_;
81 81
82 // We may need to convert the audio data coming out of FFmpeg from planar 82 // We may need to convert the audio data coming out of FFmpeg from planar
83 // float to integer. 83 // float to integer.
84 scoped_ptr<media::AudioBus> converter_bus_; 84 scoped_ptr<AudioBus> converter_bus_;
85 85
86 // Number of output sample bytes to drop before generating output buffers. 86 // Number of output sample bytes to drop before generating output buffers.
87 // This is required for handling negative timestamps when decoding Vorbis 87 // This is required for handling negative timestamps when decoding Vorbis
88 // audio, for example. 88 // audio, for example.
89 int output_bytes_to_drop_; 89 int output_bytes_to_drop_;
90 90
91 typedef std::vector<uint8_t> SerializedAudioFrames; 91 typedef std::vector<uint8_t> SerializedAudioFrames;
92 SerializedAudioFrames serialized_audio_frames_; 92 SerializedAudioFrames serialized_audio_frames_;
93 93
94 DISALLOW_COPY_AND_ASSIGN(FFmpegCdmAudioDecoder); 94 DISALLOW_COPY_AND_ASSIGN(FFmpegCdmAudioDecoder);
95 }; 95 };
96 96
97 } // namespace webkit_media 97 } // namespace media
98 98
99 #endif // WEBKIT_RENDERER_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_ 99 #endif // MEDIA_CDM_PPAPI_FFMPEG_CDM_AUDIO_DECODER_H_
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