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/********************************************************************
* libavio/include/Encoder.h
*
* Copyright (c) 2022 Stephen Rhodes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*********************************************************************/
#ifndef ENCODER_H
#define ENCODER_H
extern "C" {
#include <libavutil/avassert.h>
#include <libavutil/channel_layout.h>
#include <libavutil/opt.h>
#include <libavutil/mathematics.h>
#include <libavutil/timestamp.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
#include <libswresample/swresample.h>
}
#include "Exception.h"
#include "Queue.h"
#include "Frame.h"
#include "Writer.h"
namespace avio
{
class Encoder
{
public:
Encoder(Writer& writer, AVMediaType mediaType);
~Encoder();
void openVideoStream();
void openAudioStream();
void init();
int encode(Frame& f);
void close();
bool cmpFrame(AVFrame* frame);
bool opened = false;
Writer* writer;
AVMediaType mediaType;
std::string strMediaType;
AVStream* stream = NULL;
AVCodecContext* enc_ctx = NULL;
AVPacket* pkt = NULL;
SwsContext* sws_ctx = NULL;
SwrContext* swr_ctx = NULL;
AVFrame* cvt_frame = NULL;
AVBufferRef* hw_frames_ref = NULL;
AVBufferRef* hw_device_ctx = NULL;
AVFrame* hw_frame = NULL;
AVHWDeviceType hw_device_type = AV_HWDEVICE_TYPE_NONE;
std::string hw_video_codec_name;
std::string profile;
AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE;
AVPixelFormat sw_pix_fmt = AV_PIX_FMT_NONE;
AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
int width = 0;
int height = 0;
int video_bit_rate = 0;
int frame_rate = 0;
int gop_size = 0;
AVRational video_time_base = av_make_q(0, 0);
AVDictionary* opts = NULL;
AVSampleFormat sample_fmt = AV_SAMPLE_FMT_NONE;
uint64_t channel_layout = 0;
int audio_bit_rate = 0;
int sample_rate = 0;
int nb_samples = 0;
int channels = 0;
AVRational audio_time_base = av_make_q(0, 0);
void set_channel_layout_mono() { channel_layout = AV_CH_LAYOUT_MONO; }
void set_channel_layout_stereo() { channel_layout = AV_CH_LAYOUT_STEREO; }
int64_t total_samples = 0;
bool show_frames = false;
int64_t pts_offset = 0;
bool first_pass = true;
Queue<Frame>* frame_q = nullptr;
Queue<AVPacket*>* pkt_q = nullptr;
std::string frame_q_name;
std::string pkt_q_name;
int frame_q_max_size = 0;
std::string video_in() const { return std::string(frame_q_name); }
std::string audio_in() const { return std::string(frame_q_name); }
std::string video_out() const { return std::string(pkt_q_name); }
std::string audio_out() const { return std::string(pkt_q_name); }
void set_video_in(const std::string& name) { frame_q_name = std::string(name); }
void set_audio_in(const std::string& name) { frame_q_name = std::string(name); }
void set_video_out(const std::string& name) { pkt_q_name = std::string(name); }
void set_audio_out(const std::string& name) { pkt_q_name = std::string(name); }
ExceptionHandler ex;
};
}
#endif // ENCODER_H
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