68 lines
2.2 KiB
C++
68 lines
2.2 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_ENCODER_H
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#define FFMPEG_ENCODER_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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class FfmpegEncoder
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{
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public:
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FfmpegEncoder(const enum AVCodecID &codecId);
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virtual ~FfmpegEncoder() = default;
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bool Init(int &outputFlags);
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void UnInit(void);
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AVRational GetTimeBase(void);
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bool OpenEncoder(AVDictionary *optArg, AVStream *stream);
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int EncodeData(AVFrame *frame, AVStream *stream, std::function<void(AVPacket *pkt)> callback);
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private:
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bool OpenVideo(AVDictionary *optArg, AVStream *stream);
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bool OpenAudio(AVDictionary *optArg, AVStream *stream);
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AVFrame *ConvertAudioFrame(AVFrame *decodeFrame, struct SwrContext *swr_ctx);
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private:
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static AVFrame *alloc_frame(enum AVPixelFormat pix_fmt, int width, int height);
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static AVFrame *alloc_audio_frame(enum AVSampleFormat sample_fmt, const AVChannelLayout *channel_layout,
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int sample_rate, int nb_samples);
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private:
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const enum AVCodecID mCodecId;
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AVCodecContext *mCodecCtx;
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AVCodec *mCodec;
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AVFrame *mFrame;
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AVFrame *mTmpFrame;
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AVPacket *mTmpPkt;
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int mSamplesCount;
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struct SwrContext *mSwrCtx;
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int64_t next_pts;
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};
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#endif |