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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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