michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef ISOTrackMetadata_h_
michael@0: #define ISOTrackMetadata_h_
michael@0: 
michael@0: #include "TrackMetadataBase.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: class AACTrackMetadata : public AudioTrackMetadata {
michael@0: public:
michael@0:   // AudioTrackMetadata members
michael@0:   uint32_t GetAudioFrameDuration() MOZ_OVERRIDE { return mFrameDuration; }
michael@0:   uint32_t GetAudioFrameSize() MOZ_OVERRIDE { return mFrameSize; }
michael@0:   uint32_t GetAudioSampleRate() MOZ_OVERRIDE { return mSampleRate; }
michael@0:   uint32_t GetAudioChannels() MOZ_OVERRIDE { return mChannels; }
michael@0: 
michael@0:   // TrackMetadataBase member
michael@0:   MetadataKind GetKind() const MOZ_OVERRIDE { return METADATA_AAC; }
michael@0: 
michael@0:   // AACTrackMetadata members
michael@0:   AACTrackMetadata()
michael@0:     : mSampleRate(0)
michael@0:     , mFrameDuration(0)
michael@0:     , mFrameSize(0)
michael@0:     , mChannels(0) {
michael@0:     MOZ_COUNT_CTOR(AACTrackMetadata);
michael@0:   }
michael@0:   ~AACTrackMetadata() { MOZ_COUNT_DTOR(AACTrackMetadata); }
michael@0: 
michael@0:   uint32_t mSampleRate;     // From 14496-3 table 1.16, it could be 7350 ~ 96000.
michael@0:   uint32_t mFrameDuration;  // Audio frame duration based on SampleRate.
michael@0:   uint32_t mFrameSize;      // Audio frame size, 0 is variant size.
michael@0:   uint32_t mChannels;       // Channel number, it should be 1 or 2.
michael@0: };
michael@0: 
michael@0: // AVC clock rate is 90k Hz.
michael@0: #define AVC_CLOCK_RATE 90000
michael@0: 
michael@0: class AVCTrackMetadata : public VideoTrackMetadata {
michael@0: public:
michael@0:   // VideoTrackMetadata members
michael@0:   uint32_t GetVideoHeight() MOZ_OVERRIDE { return mHeight; }
michael@0:   uint32_t GetVideoWidth() MOZ_OVERRIDE {return mWidth; }
michael@0:   uint32_t GetVideoDisplayHeight() MOZ_OVERRIDE { return mDisplayHeight; }
michael@0:   uint32_t GetVideoDisplayWidth() MOZ_OVERRIDE { return mDisplayWidth;  }
michael@0:   uint32_t GetVideoClockRate() MOZ_OVERRIDE { return AVC_CLOCK_RATE; }
michael@0:   uint32_t GetVideoFrameRate() MOZ_OVERRIDE { return mFrameRate; }
michael@0: 
michael@0:   // TrackMetadataBase member
michael@0:   MetadataKind GetKind() const MOZ_OVERRIDE { return METADATA_AVC; }
michael@0: 
michael@0:   // AVCTrackMetadata
michael@0:   AVCTrackMetadata()
michael@0:     : mHeight(0)
michael@0:     , mWidth(0)
michael@0:     , mDisplayHeight(0)
michael@0:     , mDisplayWidth(0)
michael@0:     , mFrameRate(0) {
michael@0:     MOZ_COUNT_CTOR(AVCTrackMetadata);
michael@0:   }
michael@0:   ~AVCTrackMetadata() { MOZ_COUNT_DTOR(AVCTrackMetadata); }
michael@0: 
michael@0:   uint32_t mHeight;
michael@0:   uint32_t mWidth;
michael@0:   uint32_t mDisplayHeight;
michael@0:   uint32_t mDisplayWidth;
michael@0:   uint32_t mFrameRate;       // frames per second
michael@0: };
michael@0: 
michael@0: 
michael@0: // AMR sample rate is 8000 samples/s.
michael@0: #define AMR_SAMPLE_RATE 8000
michael@0: 
michael@0: // Channel number is always 1.
michael@0: #define AMR_CHANNELS    1
michael@0: 
michael@0: // AMR speech codec, 3GPP TS 26.071. Encoder and continer support AMR-NB only
michael@0: // currently.
michael@0: class AMRTrackMetadata : public AudioTrackMetadata {
michael@0: public:
michael@0:   // AudioTrackMetadata members
michael@0:   //
michael@0:   // The number of sample sets generates by encoder is variant. So the
michael@0:   // frame duration and frame size are both 0.
michael@0:   uint32_t GetAudioFrameDuration() MOZ_OVERRIDE { return 0; }
michael@0:   uint32_t GetAudioFrameSize() MOZ_OVERRIDE { return 0; }
michael@0:   uint32_t GetAudioSampleRate() MOZ_OVERRIDE { return AMR_SAMPLE_RATE; }
michael@0:   uint32_t GetAudioChannels() MOZ_OVERRIDE { return AMR_CHANNELS; }
michael@0: 
michael@0:   // TrackMetadataBase member
michael@0:   MetadataKind GetKind() const MOZ_OVERRIDE { return METADATA_AMR; }
michael@0: 
michael@0:   // AMRTrackMetadata members
michael@0:   AMRTrackMetadata() { MOZ_COUNT_CTOR(AMRTrackMetadata); }
michael@0:   ~AMRTrackMetadata() { MOZ_COUNT_DTOR(AMRTrackMetadata); }
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif // ISOTrackMetadata_h_