The Tor Browser: content/media/wave/WaveDecoder.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 /* vim:set ts=2 sw=2 sts=2 et cindent: */

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

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

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #if !defined(WaveDecoder_h_)

     7 #define WaveDecoder_h_

     9 #include "MediaDecoder.h"

    11 /**

    12  * The decoder implementation is currently limited to Linear PCM encoded

    13  * audio data with one or two channels of 8- or 16-bit samples at sample

    14  * rates from 100 Hz to 96 kHz.  The number of channels is limited by what

    15  * the audio backend (via AudioStream) currently supports.  The supported

    16  * sample rate is artificially limited to arbitrarily selected sane values.

    17  * Support for additional channels (and other new features) would

    18  * require extending WaveDecoder to support parsing the newer

    19  * WAVE_FORMAT_EXTENSIBLE chunk format.

    20 **/

    22 namespace mozilla {

    24 class WaveDecoder : public MediaDecoder

    25 {

    26 public:

    27   virtual MediaDecoder* Clone() {

    28     if (!IsWaveEnabled()) {

    29       return nullptr;

    30     }

    31     return new WaveDecoder();

    32   }

    33   virtual MediaDecoderStateMachine* CreateStateMachine();

    34 };

    36 } // namespace mozilla

    38 #endif

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