mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-27 14:56:16 +00:00
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/* -*- 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/. */
|
|
#if !defined(OpusDecoder_h_)
|
|
#define OpusDecoder_h_
|
|
|
|
#include "OpusParser.h"
|
|
#include "PlatformDecoderModule.h"
|
|
|
|
#include "nsAutoPtr.h"
|
|
|
|
namespace mozilla {
|
|
|
|
class OpusDataDecoder : public MediaDataDecoder
|
|
{
|
|
public:
|
|
OpusDataDecoder(const AudioInfo& aConfig,
|
|
FlushableTaskQueue* aTaskQueue,
|
|
MediaDataDecoderCallback* aCallback);
|
|
~OpusDataDecoder();
|
|
|
|
RefPtr<InitPromise> Init() override;
|
|
nsresult Input(MediaRawData* aSample) override;
|
|
nsresult Flush() override;
|
|
nsresult Drain() override;
|
|
nsresult Shutdown() override;
|
|
|
|
// Return true if mimetype is Opus
|
|
static bool IsOpus(const nsACString& aMimeType);
|
|
|
|
private:
|
|
nsresult DecodeHeader(const unsigned char* aData, size_t aLength);
|
|
|
|
void Decode (MediaRawData* aSample);
|
|
int DoDecode (MediaRawData* aSample);
|
|
void DoDrain ();
|
|
|
|
const AudioInfo& mInfo;
|
|
RefPtr<FlushableTaskQueue> mTaskQueue;
|
|
MediaDataDecoderCallback* mCallback;
|
|
|
|
// Opus decoder state
|
|
nsAutoPtr<OpusParser> mOpusParser;
|
|
OpusMSDecoder* mOpusDecoder;
|
|
|
|
uint16_t mSkip; // Samples left to trim before playback.
|
|
bool mDecodedHeader;
|
|
|
|
// Opus padding should only be discarded on the final packet. Once this
|
|
// is set to true, if the reader attempts to decode any further packets it
|
|
// will raise an error so we can indicate that the file is invalid.
|
|
bool mPaddingDiscarded;
|
|
int64_t mFrames;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
#endif
|