83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
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* Copyright (c) 2023 Fancy Code.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FFMPEG_OUTPUT_STREAM_H
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#define FFMPEG_OUTPUT_STREAM_H
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#include "FfmpegDecoder.h"
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#include "FfmpegEncoder.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <libavcodec/avcodec.h>
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#include <libavcodec/packet.h>
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#include <libavformat/avformat.h>
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#include <libavutil/avassert.h>
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#include <libavutil/avutil.h>
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#include <libavutil/channel_layout.h>
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#include <libavutil/imgutils.h>
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#include <libavutil/mathematics.h>
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#include <libavutil/opt.h>
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#include <libavutil/timestamp.h>
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#include <libswresample/swresample.h>
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#include <libswscale/swscale.h>
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#ifdef __cplusplus
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}
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#endif
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#include <functional>
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#include <memory>
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#include <thread>
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class FfmpegOutputStream : public std::enable_shared_from_this<FfmpegOutputStream>
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{
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public:
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FfmpegOutputStream(const AVCodecID &encodecId, const AVCodecID &dncodecId);
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virtual ~FfmpegOutputStream() = default;
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bool Init(AVFormatContext *outputFormat);
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/**
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* @brief If you need to convert stream frames into thumbnails, use this function.
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* @param outputFormat
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* @param thumbnailFile
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* @return true
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* @return false
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*/
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bool Init(AVFormatContext *outputFormat, const std::string &thumbnailFile);
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void UnInit(void);
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void WriteSourceData(const void *data, const size_t &size, const unsigned long long &pts);
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void SetWriteSourceDataCallback(std::function<void(AVPacket *pkt)> callback);
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bool CheckStreamHeader(const void *data, const size_t &size);
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private:
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void GetDecodeDataCallback(AVFrame *frame);
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/**
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* @brief Create a thumbnail for the wrapped video.
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* @param frame
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* @param size
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*/
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void CreateThumbnailFile(const void *frame, const size_t &size);
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void CreateThumbnailFileThread(const void *frame, const size_t &size);
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private:
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const AVCodecID mEncodecId;
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const AVCodecID mDeccodecId;
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AVPacket *mTmpPkt;
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std::shared_ptr<FfmpegEncoder> mEncoder;
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std::shared_ptr<FfmpegDecoder> mDecoder;
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AVStream *mStream;
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std::function<void(AVFrame *)> mDecodeCallback;
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std::function<void(AVPacket *)> mEncodeCallback;
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bool mStreamHeaderWritten;
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std::thread mThumbnailThread;
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char *mH264Data2Jpeg;
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std::string mThumbnailFileName;
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};
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#endif |