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comparison: content/media/apple/AppleMP3Reader.h
content/media/apple/AppleMP3Reader.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:a337cf13ef8f |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef __AppleMP3Reader_h__ | |
| 6 #define __AppleMP3Reader_h__ | |
| 7 | |
| 8 #include "MediaDecoderReader.h" | |
| 9 #include "MP3FrameParser.h" | |
| 10 #include "VideoUtils.h" | |
| 11 | |
| 12 #include <AudioToolbox/AudioToolbox.h> | |
| 13 | |
| 14 namespace mozilla { | |
| 15 | |
| 16 class AppleMP3Reader : public MediaDecoderReader | |
| 17 { | |
| 18 public: | |
| 19 AppleMP3Reader(AbstractMediaDecoder *aDecoder); | |
| 20 virtual ~AppleMP3Reader() MOZ_OVERRIDE; | |
| 21 | |
| 22 virtual nsresult Init(MediaDecoderReader* aCloneDonor) MOZ_OVERRIDE; | |
| 23 | |
| 24 nsresult PushDataToDemuxer(); | |
| 25 | |
| 26 virtual bool DecodeAudioData() MOZ_OVERRIDE; | |
| 27 virtual bool DecodeVideoFrame(bool &aKeyframeSkip, | |
| 28 int64_t aTimeThreshold) MOZ_OVERRIDE; | |
| 29 | |
| 30 virtual bool HasAudio() MOZ_OVERRIDE; | |
| 31 virtual bool HasVideo() MOZ_OVERRIDE; | |
| 32 | |
| 33 virtual nsresult ReadMetadata(MediaInfo* aInfo, | |
| 34 MetadataTags** aTags) MOZ_OVERRIDE; | |
| 35 | |
| 36 virtual nsresult Seek(int64_t aTime, | |
| 37 int64_t aStartTime, | |
| 38 int64_t aEndTime, | |
| 39 int64_t aCurrentTime) MOZ_OVERRIDE; | |
| 40 | |
| 41 void AudioSampleCallback(UInt32 aNumBytes, | |
| 42 UInt32 aNumPackets, | |
| 43 const void *aData, | |
| 44 AudioStreamPacketDescription *aPackets); | |
| 45 | |
| 46 void AudioMetadataCallback(AudioFileStreamID aFileStream, | |
| 47 AudioFileStreamPropertyID aPropertyID, | |
| 48 UInt32 *aFlags); | |
| 49 | |
| 50 virtual void NotifyDataArrived(const char* aBuffer, | |
| 51 uint32_t aLength, | |
| 52 int64_t aOffset) MOZ_OVERRIDE; | |
| 53 | |
| 54 private: | |
| 55 void SetupDecoder(); | |
| 56 nsresult Read(uint32_t *aNumBytes, char *aData); | |
| 57 | |
| 58 static OSStatus PassthroughInputDataCallback(AudioConverterRef aAudioConverter, | |
| 59 UInt32 *aNumDataPackets, | |
| 60 AudioBufferList *aData, | |
| 61 AudioStreamPacketDescription **aPacketDesc, | |
| 62 void *aUserData); | |
| 63 | |
| 64 // Initialisation has to be done in a callback, so we store the result here. | |
| 65 bool mStreamReady; | |
| 66 | |
| 67 // Number of audio samples in an audio packet. Constant over all packets in a | |
| 68 // stream. | |
| 69 UInt32 mAudioFramesPerCompressedPacket; | |
| 70 // Store the next audio frame to be played; so we can keep time when seeking. | |
| 71 UInt64 mCurrentAudioFrame; | |
| 72 UInt32 mAudioChannels; | |
| 73 UInt32 mAudioSampleRate; | |
| 74 | |
| 75 uint64_t mDuration; | |
| 76 | |
| 77 AudioFileStreamID mAudioFileStream; | |
| 78 AudioConverterRef mAudioConverter; | |
| 79 | |
| 80 MP3FrameParser mMP3FrameParser; | |
| 81 }; | |
| 82 | |
| 83 } // namespace mozilla | |
| 84 | |
| 85 #endif // __AppleMP3Reader_h__ |
