The Tor Browser: content/media/encoder/OmxTrackEncoder.h@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     4  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef OmxTrackEncoder_h_

     7 #define OmxTrackEncoder_h_

     9 #include "TrackEncoder.h"

    11 namespace android {

    12 class OMXVideoEncoder;

    13 class OMXAudioEncoder;

    14 }

    16 /**

    17  * There are two major classes defined in file OmxTrackEncoder;

    18  * OmxVideoTrackEncoder and OmxAudioTrackEncoder, the video and audio track

    19  * encoder for media type AVC/H.264 and AAC. OMXCodecWrapper wraps and controls

    20  * an instance of MediaCodec, defined in libstagefright, runs on Android Jelly

    21  * Bean platform.

    22  */

    24 namespace mozilla {

    26 class OmxVideoTrackEncoder: public VideoTrackEncoder

    27 {

    28 public:

    29   OmxVideoTrackEncoder()

    30     : VideoTrackEncoder()

    31   {}

    33   already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;

    35   nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;

    37 protected:

    38   nsresult Init(int aWidth, int aHeight,

    39                 int aDisplayWidth, int aDisplayHeight,

    40                 TrackRate aTrackRate) MOZ_OVERRIDE;

    42 private:

    43   nsAutoPtr<android::OMXVideoEncoder> mEncoder;

    44 };

    46 class OmxAudioTrackEncoder : public AudioTrackEncoder

    47 {

    48 public:

    49   OmxAudioTrackEncoder()

    50     : AudioTrackEncoder()

    51   {}

    53   already_AddRefed<TrackMetadataBase> GetMetadata() = 0;

    55   nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;

    57 protected:

    58   nsresult Init(int aChannels, int aSamplingRate) = 0;

    60   // Append encoded frames to aContainer.

    61   nsresult AppendEncodedFrames(EncodedFrameContainer& aContainer);

    63   nsAutoPtr<android::OMXAudioEncoder> mEncoder;

    64 };

    66 class OmxAACAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder

    67 {

    68 public:

    69   OmxAACAudioTrackEncoder()

    70     : OmxAudioTrackEncoder()

    71   {}

    73   already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;

    75 protected:

    76   nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;

    77 };

    79 class OmxAMRAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder

    80 {

    81 public:

    82   OmxAMRAudioTrackEncoder()

    83     : OmxAudioTrackEncoder()

    84   {}

    86   enum {

    87     AMR_NB_SAMPLERATE = 8000,

    88   };

    89   already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;

    91 protected:

    92   nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;

    93 };

    95 }

    96 #endif

The Tor Browser / file revision