зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
2.3 KiB
C++
97 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef OmxTrackEncoder_h_
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#define OmxTrackEncoder_h_
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#include "TrackEncoder.h"
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namespace android {
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class OMXVideoEncoder;
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class OMXAudioEncoder;
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}
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/**
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* There are two major classes defined in file OmxTrackEncoder;
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* OmxVideoTrackEncoder and OmxAudioTrackEncoder, the video and audio track
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* encoder for media type AVC/H.264 and AAC. OMXCodecWrapper wraps and controls
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* an instance of MediaCodec, defined in libstagefright, runs on Android Jelly
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* Bean platform.
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*/
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namespace mozilla {
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class OmxVideoTrackEncoder: public VideoTrackEncoder
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{
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public:
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OmxVideoTrackEncoder()
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: VideoTrackEncoder()
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{}
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already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
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nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;
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protected:
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nsresult Init(int aWidth, int aHeight,
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int aDisplayWidth, int aDisplayHeight,
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TrackRate aTrackRate) MOZ_OVERRIDE;
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private:
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nsAutoPtr<android::OMXVideoEncoder> mEncoder;
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};
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class OmxAudioTrackEncoder : public AudioTrackEncoder
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{
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public:
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OmxAudioTrackEncoder()
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: AudioTrackEncoder()
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{}
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already_AddRefed<TrackMetadataBase> GetMetadata() = 0;
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nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;
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protected:
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nsresult Init(int aChannels, int aSamplingRate) = 0;
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// Append encoded frames to aContainer.
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nsresult AppendEncodedFrames(EncodedFrameContainer& aContainer);
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nsAutoPtr<android::OMXAudioEncoder> mEncoder;
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};
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class OmxAACAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder
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{
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public:
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OmxAACAudioTrackEncoder()
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: OmxAudioTrackEncoder()
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{}
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already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
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protected:
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nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;
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};
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class OmxAMRAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder
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{
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public:
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OmxAMRAudioTrackEncoder()
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: OmxAudioTrackEncoder()
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{}
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enum {
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AMR_NB_SAMPLERATE = 8000,
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};
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already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
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protected:
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nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;
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};
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}
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#endif
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