1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/apple/AppleMP3Reader.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,85 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef __AppleMP3Reader_h__
1.9 +#define __AppleMP3Reader_h__
1.10 +
1.11 +#include "MediaDecoderReader.h"
1.12 +#include "MP3FrameParser.h"
1.13 +#include "VideoUtils.h"
1.14 +
1.15 +#include <AudioToolbox/AudioToolbox.h>
1.16 +
1.17 +namespace mozilla {
1.18 +
1.19 +class AppleMP3Reader : public MediaDecoderReader
1.20 +{
1.21 +public:
1.22 + AppleMP3Reader(AbstractMediaDecoder *aDecoder);
1.23 + virtual ~AppleMP3Reader() MOZ_OVERRIDE;
1.24 +
1.25 + virtual nsresult Init(MediaDecoderReader* aCloneDonor) MOZ_OVERRIDE;
1.26 +
1.27 + nsresult PushDataToDemuxer();
1.28 +
1.29 + virtual bool DecodeAudioData() MOZ_OVERRIDE;
1.30 + virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
1.31 + int64_t aTimeThreshold) MOZ_OVERRIDE;
1.32 +
1.33 + virtual bool HasAudio() MOZ_OVERRIDE;
1.34 + virtual bool HasVideo() MOZ_OVERRIDE;
1.35 +
1.36 + virtual nsresult ReadMetadata(MediaInfo* aInfo,
1.37 + MetadataTags** aTags) MOZ_OVERRIDE;
1.38 +
1.39 + virtual nsresult Seek(int64_t aTime,
1.40 + int64_t aStartTime,
1.41 + int64_t aEndTime,
1.42 + int64_t aCurrentTime) MOZ_OVERRIDE;
1.43 +
1.44 + void AudioSampleCallback(UInt32 aNumBytes,
1.45 + UInt32 aNumPackets,
1.46 + const void *aData,
1.47 + AudioStreamPacketDescription *aPackets);
1.48 +
1.49 + void AudioMetadataCallback(AudioFileStreamID aFileStream,
1.50 + AudioFileStreamPropertyID aPropertyID,
1.51 + UInt32 *aFlags);
1.52 +
1.53 + virtual void NotifyDataArrived(const char* aBuffer,
1.54 + uint32_t aLength,
1.55 + int64_t aOffset) MOZ_OVERRIDE;
1.56 +
1.57 +private:
1.58 + void SetupDecoder();
1.59 + nsresult Read(uint32_t *aNumBytes, char *aData);
1.60 +
1.61 + static OSStatus PassthroughInputDataCallback(AudioConverterRef aAudioConverter,
1.62 + UInt32 *aNumDataPackets,
1.63 + AudioBufferList *aData,
1.64 + AudioStreamPacketDescription **aPacketDesc,
1.65 + void *aUserData);
1.66 +
1.67 + // Initialisation has to be done in a callback, so we store the result here.
1.68 + bool mStreamReady;
1.69 +
1.70 + // Number of audio samples in an audio packet. Constant over all packets in a
1.71 + // stream.
1.72 + UInt32 mAudioFramesPerCompressedPacket;
1.73 + // Store the next audio frame to be played; so we can keep time when seeking.
1.74 + UInt64 mCurrentAudioFrame;
1.75 + UInt32 mAudioChannels;
1.76 + UInt32 mAudioSampleRate;
1.77 +
1.78 + uint64_t mDuration;
1.79 +
1.80 + AudioFileStreamID mAudioFileStream;
1.81 + AudioConverterRef mAudioConverter;
1.82 +
1.83 + MP3FrameParser mMP3FrameParser;
1.84 +};
1.85 +
1.86 +} // namespace mozilla
1.87 +
1.88 +#endif // __AppleMP3Reader_h__
