/usr/include/thunderbird/MediaBufferDecoder.h is in thunderbird-dev 1:24.4.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MediaBufferDecoder_h_
#define MediaBufferDecoder_h_
#include "nsWrapperCache.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsIThreadPool.h"
#include "nsString.h"
#include "nsTArray.h"
#include "mozilla/dom/TypedArray.h"
#include <utility>
namespace mozilla {
class MediaDecoderReader;
namespace dom {
class AudioBuffer;
class AudioContext;
class DecodeErrorCallback;
class DecodeSuccessCallback;
}
struct WebAudioDecodeJob MOZ_FINAL
{
// You may omit both the success and failure callback, or you must pass both.
// The callbacks are only necessary for asynchronous operation.
WebAudioDecodeJob(const nsACString& aContentType,
dom::AudioContext* aContext,
const dom::ArrayBuffer& aBuffer,
dom::DecodeSuccessCallback* aSuccessCallback = nullptr,
dom::DecodeErrorCallback* aFailureCallback = nullptr);
~WebAudioDecodeJob();
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebAudioDecodeJob)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebAudioDecodeJob)
enum ErrorCode {
NoError,
UnknownContent,
UnknownError,
InvalidContent,
NoAudio
};
typedef void (WebAudioDecodeJob::*ResultFn)(ErrorCode);
typedef nsAutoArrayPtr<float> ChannelBuffer;
void OnSuccess(ErrorCode /* ignored */);
void OnFailure(ErrorCode aErrorCode);
bool AllocateBuffer();
JS::Heap<JSObject*> mArrayBuffer;
nsCString mContentType;
uint32_t mWriteIndex;
nsRefPtr<dom::AudioContext> mContext;
nsRefPtr<dom::DecodeSuccessCallback> mSuccessCallback;
nsRefPtr<dom::DecodeErrorCallback> mFailureCallback; // can be null
nsRefPtr<dom::AudioBuffer> mOutput;
FallibleTArray<ChannelBuffer> mChannelBuffers;
};
/**
* This class is used to decode media buffers on a dedicated threadpool.
*
* This class manages the resources that it uses internally (such as the
* thread-pool) and provides a clean external interface.
*/
class MediaBufferDecoder
{
public:
void AsyncDecodeMedia(const char* aContentType, uint8_t* aBuffer,
uint32_t aLength, WebAudioDecodeJob& aDecodeJob);
bool SyncDecodeMedia(const char* aContentType, uint8_t* aBuffer,
uint32_t aLength, WebAudioDecodeJob& aDecodeJob);
void Shutdown();
private:
bool EnsureThreadPoolInitialized();
private:
nsCOMPtr<nsIThreadPool> mThreadPool;
};
}
#endif
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