78 lines
2.5 KiB
C++
78 lines
2.5 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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#include "FfmpegOutputStream.h"
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#include "FfmpegDecoder.h"
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#include "FfmpegEncoder.h"
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#include "ILog.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <libavcodec/codec_id.h>
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#include <libavcodec/packet.h>
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#include <libavformat/avformat.h>
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#include <libavutil/frame.h>
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#ifdef __cplusplus
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}
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#endif
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#include <cstddef>
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#include <functional>
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#include <memory>
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FfmpegOutputStream::FfmpegOutputStream(const AVCodecID &encodecId, const AVCodecID &dncodecId)
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: mEncodecId(encodecId), mDeccodecId(dncodecId), mTmpPkt(nullptr), mStream(nullptr)
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{
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}
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bool FfmpegOutputStream::Init(AVFormatContext *outputFormat)
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{
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mDecodeCallback = std::bind(&FfmpegOutputStream::GetDecodeDataCallback, this, std::placeholders::_1);
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mTmpPkt = av_packet_alloc();
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if (!mTmpPkt) {
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LogError("Could not allocate AVPacket\n");
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return false;
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}
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mStream = avformat_new_stream(outputFormat, nullptr);
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if (!mStream) {
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LogError("Could not allocate stream\n");
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return false;
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}
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mDecoder = std::make_shared<FfmpegDecoder>(mDeccodecId);
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mDecoder->Init();
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mStream->id = outputFormat->nb_streams - 1;
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mEncoder = std::make_shared<FfmpegEncoder>(mEncodecId);
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mEncoder->Init(outputFormat->flags);
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mStream->time_base = mEncoder->GetTimeBase();
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mEncoder->OpenEncoder(nullptr, mStream);
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return true;
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}
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void FfmpegOutputStream::UnInit(void)
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{
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mEncoder->UnInit();
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mDecoder->UnInit();
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av_packet_free(&mTmpPkt);
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}
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void FfmpegOutputStream::WriteSourceData(const void *data, const size_t &size)
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{
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mDecoder->DecodeData(data, size, mDecodeCallback);
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}
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void FfmpegOutputStream::SetWriteSourceDataCallback(std::function<void(AVPacket *pkt)> callback)
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{
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mEncodeCallback = callback;
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}
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void FfmpegOutputStream::GetDecodeDataCallback(AVFrame *frame)
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{
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mEncoder->EncodeData(frame, mStream, mEncodeCallback);
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}
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void FfmpegOutputStream::GetEncodeDataCallback(AVPacket *pkt)
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{
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} |