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content/media/encoder/OmxTrackEncoder.h@6474c204b198 (annotated)

content/media/encoder/OmxTrackEncoder.h

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0	4	* You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	#ifndef OmxTrackEncoder_h_
michael@0	7	#define OmxTrackEncoder_h_
michael@0	8
michael@0	9	#include "TrackEncoder.h"
michael@0	10
michael@0	11	namespace android {
michael@0	12	class OMXVideoEncoder;
michael@0	13	class OMXAudioEncoder;
michael@0	14	}
michael@0	15
michael@0	16	/**
michael@0	17	* There are two major classes defined in file OmxTrackEncoder;
michael@0	18	* OmxVideoTrackEncoder and OmxAudioTrackEncoder, the video and audio track
michael@0	19	* encoder for media type AVC/H.264 and AAC. OMXCodecWrapper wraps and controls
michael@0	20	* an instance of MediaCodec, defined in libstagefright, runs on Android Jelly
michael@0	21	* Bean platform.
michael@0	22	*/
michael@0	23
michael@0	24	namespace mozilla {
michael@0	25
michael@0	26	class OmxVideoTrackEncoder: public VideoTrackEncoder
michael@0	27	{
michael@0	28	public:
michael@0	29	OmxVideoTrackEncoder()
michael@0	30	: VideoTrackEncoder()
michael@0	31	{}
michael@0	32
michael@0	33	already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
michael@0	34
michael@0	35	nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;
michael@0	36
michael@0	37	protected:
michael@0	38	nsresult Init(int aWidth, int aHeight,
michael@0	39	int aDisplayWidth, int aDisplayHeight,
michael@0	40	TrackRate aTrackRate) MOZ_OVERRIDE;
michael@0	41
michael@0	42	private:
michael@0	43	nsAutoPtr<android::OMXVideoEncoder> mEncoder;
michael@0	44	};
michael@0	45
michael@0	46	class OmxAudioTrackEncoder : public AudioTrackEncoder
michael@0	47	{
michael@0	48	public:
michael@0	49	OmxAudioTrackEncoder()
michael@0	50	: AudioTrackEncoder()
michael@0	51	{}
michael@0	52
michael@0	53	already_AddRefed<TrackMetadataBase> GetMetadata() = 0;
michael@0	54
michael@0	55	nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;
michael@0	56
michael@0	57	protected:
michael@0	58	nsresult Init(int aChannels, int aSamplingRate) = 0;
michael@0	59
michael@0	60	// Append encoded frames to aContainer.
michael@0	61	nsresult AppendEncodedFrames(EncodedFrameContainer& aContainer);
michael@0	62
michael@0	63	nsAutoPtr<android::OMXAudioEncoder> mEncoder;
michael@0	64	};
michael@0	65
michael@0	66	class OmxAACAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder
michael@0	67	{
michael@0	68	public:
michael@0	69	OmxAACAudioTrackEncoder()
michael@0	70	: OmxAudioTrackEncoder()
michael@0	71	{}
michael@0	72
michael@0	73	already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
michael@0	74
michael@0	75	protected:
michael@0	76	nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;
michael@0	77	};
michael@0	78
michael@0	79	class OmxAMRAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder
michael@0	80	{
michael@0	81	public:
michael@0	82	OmxAMRAudioTrackEncoder()
michael@0	83	: OmxAudioTrackEncoder()
michael@0	84	{}
michael@0	85
michael@0	86	enum {
michael@0	87	AMR_NB_SAMPLERATE = 8000,
michael@0	88	};
michael@0	89	already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
michael@0	90
michael@0	91	protected:
michael@0	92	nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;
michael@0	93	};
michael@0	94
michael@0	95	}
michael@0	96	#endif