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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 MEDIA_BASE_ANDROID_SDK_MEDIA_CODEC_BRIDGE_H_ | 5 #ifndef MEDIA_BASE_ANDROID_SDK_MEDIA_CODEC_BRIDGE_H_ |
6 #define MEDIA_BASE_ANDROID_SDK_MEDIA_CODEC_BRIDGE_H_ | 6 #define MEDIA_BASE_ANDROID_SDK_MEDIA_CODEC_BRIDGE_H_ |
7 | 7 |
8 #include <jni.h> | 8 #include <jni.h> |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 #include <stdint.h> | 10 #include <stdint.h> |
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90 // MediaCodecBridge. | 90 // MediaCodecBridge. |
91 class MEDIA_EXPORT AudioCodecBridge : public SdkMediaCodecBridge { | 91 class MEDIA_EXPORT AudioCodecBridge : public SdkMediaCodecBridge { |
92 public: | 92 public: |
93 // Returns an AudioCodecBridge instance if |codec| is supported, or a NULL | 93 // Returns an AudioCodecBridge instance if |codec| is supported, or a NULL |
94 // pointer otherwise. | 94 // pointer otherwise. |
95 static AudioCodecBridge* Create(const AudioCodec& codec); | 95 static AudioCodecBridge* Create(const AudioCodec& codec); |
96 | 96 |
97 // See MediaCodecUtil::IsKnownUnaccelerated(). | 97 // See MediaCodecUtil::IsKnownUnaccelerated(). |
98 static bool IsKnownUnaccelerated(const AudioCodec& codec); | 98 static bool IsKnownUnaccelerated(const AudioCodec& codec); |
99 | 99 |
100 // Starts the audio codec bridge. If |play_audio| is true this method creates | 100 // Starts the audio codec bridge. |
101 // Android AudioTrack object for the actual audio playback | |
102 // (http://developer.android.com/reference/android/media/AudioTrack.html). | |
103 bool ConfigureAndStart(const AudioDecoderConfig& config, | 101 bool ConfigureAndStart(const AudioDecoderConfig& config, |
104 bool play_audio, | |
105 jobject media_crypto); | 102 jobject media_crypto); |
106 | 103 |
107 // An overloaded variant used by AudioDecoderJob and AudioMediaCodecDecoder. | 104 // An overloaded variant used by AudioDecoderJob and AudioMediaCodecDecoder. |
108 // TODO(timav): Modify the above mentioned classes to pass parameters as | 105 // TODO(timav): Modify the above mentioned classes to pass parameters as |
109 // AudioDecoderConfig and remove this method. | 106 // AudioDecoderConfig and remove this method. |
110 bool ConfigureAndStart(const AudioCodec& codec, | 107 bool ConfigureAndStart(const AudioCodec& codec, |
111 int sample_rate, | 108 int sample_rate, |
112 int channel_count, | 109 int channel_count, |
113 const uint8_t* extra_data, | 110 const uint8_t* extra_data, |
114 size_t extra_data_size, | 111 size_t extra_data_size, |
115 int64_t codec_delay_ns, | 112 int64_t codec_delay_ns, |
116 int64_t seek_preroll_ns, | 113 int64_t seek_preroll_ns, |
117 bool play_audio, | |
118 jobject media_crypto) WARN_UNUSED_RESULT; | 114 jobject media_crypto) WARN_UNUSED_RESULT; |
119 | 115 |
120 // Creates AudioTrack object for |sampling_rate| and |channel_count| | |
121 // (http://developer.android.com/reference/android/media/AudioTrack.html). | |
122 // Returns true in the case of success, false otherwise. | |
123 bool CreateAudioTrack(int sampling_rate, int channel_count); | |
124 | |
125 // Plays the output buffer right away or save for later playback if |postpone| | |
126 // is set to true. This call must be called after DequeueOutputBuffer() and | |
127 // before ReleaseOutputBuffer. The data is extracted from the output buffers | |
128 // using |index|, |size| and |offset|. The playback head position in frames is | |
129 // output in |*playback_pos|. | |
130 // When |postpone| is set to true, the next PlayOutputBuffer() should have | |
131 // postpone == false, and it will play two buffers: the postponed one and | |
132 // the one identified by |index|. | |
133 // Returns MEDIA_CODEC_ERROR if an error occurs, or MEDIA_CODEC_OK otherwise. | |
134 MediaCodecStatus PlayOutputBuffer(int index, | |
135 size_t size, | |
136 size_t offset, | |
137 bool postpone, | |
138 int64_t* playback_pos); | |
139 | |
140 // Set the volume of the audio output. | |
141 void SetVolume(double volume); | |
142 | |
143 private: | 116 private: |
144 explicit AudioCodecBridge(const std::string& mime); | 117 explicit AudioCodecBridge(const std::string& mime); |
145 | 118 |
146 // Configure the java MediaFormat object with the extra codec data passed in. | 119 // Configure the java MediaFormat object with the extra codec data passed in. |
147 bool ConfigureMediaFormat(jobject j_format, | 120 bool ConfigureMediaFormat(jobject j_format, |
148 const AudioCodec& codec, | 121 const AudioCodec& codec, |
149 const uint8_t* extra_data, | 122 const uint8_t* extra_data, |
150 size_t extra_data_size, | 123 size_t extra_data_size, |
151 int64_t codec_delay_ns, | 124 int64_t codec_delay_ns, |
152 int64_t seek_preroll_ns); | 125 int64_t seek_preroll_ns); |
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203 bool is_secure, | 176 bool is_secure, |
204 MediaCodecDirection direction, | 177 MediaCodecDirection direction, |
205 bool require_software_codec); | 178 bool require_software_codec); |
206 | 179 |
207 int adaptive_playback_supported_for_testing_; | 180 int adaptive_playback_supported_for_testing_; |
208 }; | 181 }; |
209 | 182 |
210 } // namespace media | 183 } // namespace media |
211 | 184 |
212 #endif // MEDIA_BASE_ANDROID_SDK_MEDIA_CODEC_BRIDGE_H_ | 185 #endif // MEDIA_BASE_ANDROID_SDK_MEDIA_CODEC_BRIDGE_H_ |
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