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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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86
dom/media/platforms/ffmpeg/FFmpegDecoderModule.h Normal file
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/* -*- 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 __FFmpegDecoderModule_h__
#define __FFmpegDecoderModule_h__
#include "PlatformDecoderModule.h"
#include "FFmpegLibWrapper.h"
#include "FFmpegAudioDecoder.h"
#include "FFmpegVideoDecoder.h"
namespace mozilla
{
template <int V>
class FFmpegDecoderModule : public PlatformDecoderModule
{
public:
static already_AddRefed<PlatformDecoderModule>
Create(FFmpegLibWrapper* aLib)
{
RefPtr<PlatformDecoderModule> pdm = new FFmpegDecoderModule(aLib);
return pdm.forget();
}
explicit FFmpegDecoderModule(FFmpegLibWrapper* aLib) : mLib(aLib) {}
virtual ~FFmpegDecoderModule() {}
already_AddRefed<MediaDataDecoder>
CreateVideoDecoder(const CreateDecoderParams& aParams) override
{
RefPtr<MediaDataDecoder> decoder =
new FFmpegVideoDecoder<V>(mLib,
aParams.mTaskQueue,
aParams.mCallback,
aParams.VideoConfig(),
aParams.mImageContainer);
return decoder.forget();
}
already_AddRefed<MediaDataDecoder>
CreateAudioDecoder(const CreateDecoderParams& aParams) override
{
RefPtr<MediaDataDecoder> decoder =
new FFmpegAudioDecoder<V>(mLib,
aParams.mTaskQueue,
aParams.mCallback,
aParams.AudioConfig());
return decoder.forget();
}
bool SupportsMimeType(const nsACString& aMimeType,
DecoderDoctorDiagnostics* aDiagnostics) const override
{
AVCodecID videoCodec = FFmpegVideoDecoder<V>::GetCodecId(aMimeType);
AVCodecID audioCodec = FFmpegAudioDecoder<V>::GetCodecId(aMimeType);
if (audioCodec == AV_CODEC_ID_NONE && videoCodec == AV_CODEC_ID_NONE) {
return false;
}
AVCodecID codec = audioCodec != AV_CODEC_ID_NONE ? audioCodec : videoCodec;
return !!FFmpegDataDecoder<V>::FindAVCodec(mLib, codec);
}
ConversionRequired
DecoderNeedsConversion(const TrackInfo& aConfig) const override
{
if (aConfig.IsVideo() &&
(aConfig.mMimeType.EqualsLiteral("video/avc") ||
aConfig.mMimeType.EqualsLiteral("video/mp4"))) {
return ConversionRequired::kNeedAVCC;
} else {
return ConversionRequired::kNeedNone;
}
}
private:
FFmpegLibWrapper* mLib;
};
} // namespace mozilla
#endif // __FFmpegDecoderModule_h__