85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DOM_MEDIA_PLATFORMS_FFMPEG_FFMPEGVIDEOENCODER_H_
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#define DOM_MEDIA_PLATFORMS_FFMPEG_FFMPEGVIDEOENCODER_H_
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#include "FFmpegDataEncoder.h"
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#include "FFmpegLibWrapper.h"
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#include "PlatformEncoderModule.h"
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#include "SimpleMap.h"
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// This must be the last header included
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#include "FFmpegLibs.h"
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namespace mozilla {
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template <int V>
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class FFmpegVideoEncoder : public FFmpegDataEncoder<V> {};
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template <>
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class FFmpegVideoEncoder<LIBAV_VER> : public FFmpegDataEncoder<LIBAV_VER> {
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using PtsMap = SimpleMap<int64_t, int64_t, NoOpPolicy>;
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FFmpegVideoEncoder, final);
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FFmpegVideoEncoder(const FFmpegLibWrapper* aLib, AVCodecID aCodecID,
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const RefPtr<TaskQueue>& aTaskQueue,
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const EncoderConfig& aConfig);
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RefPtr<InitPromise> Init() override;
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nsCString GetDescriptionName() const override;
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protected:
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virtual ~FFmpegVideoEncoder() = default;
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// Methods only called on mTaskQueue.
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virtual MediaResult InitEncoder() override;
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#if LIBAVCODEC_VERSION_MAJOR >= 58
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Result<EncodedData, MediaResult> EncodeInputWithModernAPIs(
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RefPtr<const MediaData> aSample) override;
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#endif
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virtual Result<RefPtr<MediaRawData>, MediaResult> ToMediaRawData(
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AVPacket* aPacket) override;
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Result<already_AddRefed<MediaByteBuffer>, MediaResult> GetExtraData(
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AVPacket* aPacket) override;
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void ForceEnablingFFmpegDebugLogs();
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struct SVCSettings {
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nsTArray<uint8_t> mTemporalLayerIds;
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// A key-value pair for av_opt_set.
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std::pair<nsCString, nsCString> mSettingKeyValue;
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};
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bool SvcEnabled() const;
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Maybe<SVCSettings> GetSVCSettings();
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struct H264Settings {
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int mProfile;
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int mLevel;
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// A list of key-value pairs for av_opt_set.
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nsTArray<std::pair<nsCString, nsCString>> mSettingKeyValuePairs;
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};
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H264Settings GetH264Settings(const H264Specific& aH264Specific);
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struct SVCInfo {
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explicit SVCInfo(nsTArray<uint8_t>&& aTemporalLayerIds)
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: mTemporalLayerIds(std::move(aTemporalLayerIds)), mCurrentIndex(0) {}
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const nsTArray<uint8_t> mTemporalLayerIds;
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size_t mCurrentIndex;
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void UpdateTemporalLayerId();
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void ResetTemporalLayerId();
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uint8_t CurrentTemporalLayerId();
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};
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Maybe<SVCInfo> mSVCInfo{};
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// Some codecs use the input frames pts for rate control. We'd rather only use
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// the duration. Synthetize fake pts based on integrating over the duration of
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// input frames.
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int64_t mFakePts = 0;
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int64_t mCurrentFramePts = 0;
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PtsMap mPtsMap;
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};
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} // namespace mozilla
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#endif // DOM_MEDIA_PLATFORMS_FFMPEG_FFMPEGVIDEOENCODER_H_
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