mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-12-05 01:27:26 +00:00
176 lines
5.3 KiB
C++
176 lines
5.3 KiB
C++
// FFMPEG Video Encoder Integration for OBS Studio
|
|
// Copyright (c) 2019 Michael Fabian Dirks <info@xaymar.com>
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
#pragma once
|
|
#include "common.hpp"
|
|
#include <condition_variable>
|
|
#include <map>
|
|
#include <mutex>
|
|
#include <queue>
|
|
#include <stack>
|
|
#include <thread>
|
|
#include <vector>
|
|
#include "ffmpeg/avframe-queue.hpp"
|
|
#include "ffmpeg/hwapi/base.hpp"
|
|
#include "ffmpeg/swscale.hpp"
|
|
#include "handlers/handler.hpp"
|
|
#include "obs/obs-encoder-factory.hpp"
|
|
|
|
extern "C" {
|
|
#ifdef _MSC_VER
|
|
#pragma warning(push)
|
|
#pragma warning(disable : 4242 4244 4365)
|
|
#endif
|
|
#include <obs-properties.h>
|
|
#include <libavcodec/avcodec.h>
|
|
#include <libavutil/frame.h>
|
|
#ifdef _MSC_VER
|
|
#pragma warning(pop)
|
|
#endif
|
|
}
|
|
|
|
namespace streamfx::encoder::ffmpeg {
|
|
class ffmpeg_factory;
|
|
|
|
class ffmpeg_instance : public obs::encoder_instance {
|
|
ffmpeg_factory* _factory;
|
|
const AVCodec* _codec;
|
|
AVCodecContext* _context;
|
|
|
|
std::shared_ptr<handler::handler> _handler;
|
|
|
|
::ffmpeg::swscale _scaler;
|
|
AVPacket _packet;
|
|
|
|
std::shared_ptr<::ffmpeg::hwapi::base> _hwapi;
|
|
std::shared_ptr<::ffmpeg::hwapi::instance> _hwinst;
|
|
|
|
std::size_t _lag_in_frames;
|
|
std::size_t _sent_frames;
|
|
|
|
// Extra Data
|
|
bool _have_first_frame;
|
|
std::vector<uint8_t> _extra_data;
|
|
std::vector<uint8_t> _sei_data;
|
|
|
|
// Frame Stack and Queue
|
|
std::stack<std::shared_ptr<AVFrame>> _free_frames;
|
|
std::queue<std::shared_ptr<AVFrame>> _used_frames;
|
|
std::chrono::high_resolution_clock::time_point _free_frames_last_used;
|
|
|
|
public:
|
|
ffmpeg_instance(obs_data_t* settings, obs_encoder_t* self, bool is_hw);
|
|
virtual ~ffmpeg_instance();
|
|
|
|
public:
|
|
void get_properties(obs_properties_t* props);
|
|
|
|
void migrate(obs_data_t* settings, uint64_t version) override;
|
|
|
|
bool update(obs_data_t* settings) override;
|
|
|
|
bool encode_audio(struct encoder_frame* frame, struct encoder_packet* packet, bool* received_packet) override;
|
|
|
|
bool encode_video(struct encoder_frame* frame, struct encoder_packet* packet, bool* received_packet) override;
|
|
|
|
bool encode_video(uint32_t handle, int64_t pts, uint64_t lock_key, uint64_t* next_key,
|
|
struct encoder_packet* packet, bool* received_packet) override;
|
|
|
|
bool get_extra_data(uint8_t** extra_data, size_t* size) override;
|
|
|
|
bool get_sei_data(uint8_t** sei_data, size_t* size) override;
|
|
|
|
void get_video_info(struct video_scale_info* info) override;
|
|
|
|
public:
|
|
void initialize_sw(obs_data_t* settings);
|
|
void initialize_hw(obs_data_t* settings);
|
|
|
|
void push_free_frame(std::shared_ptr<AVFrame> frame);
|
|
std::shared_ptr<AVFrame> pop_free_frame();
|
|
|
|
void push_used_frame(std::shared_ptr<AVFrame> frame);
|
|
std::shared_ptr<AVFrame> pop_used_frame();
|
|
|
|
int receive_packet(bool* received_packet, struct encoder_packet* packet);
|
|
|
|
int send_frame(std::shared_ptr<AVFrame> frame);
|
|
|
|
bool encode_avframe(std::shared_ptr<AVFrame> frame, struct encoder_packet* packet, bool* received_packet);
|
|
|
|
public: // Handler API
|
|
bool is_hardware_encode();
|
|
|
|
const AVCodec* get_avcodec();
|
|
|
|
const AVCodecContext* get_avcodeccontext();
|
|
|
|
void parse_ffmpeg_commandline(std::string text);
|
|
};
|
|
|
|
class ffmpeg_factory : public obs::encoder_factory<ffmpeg_factory, ffmpeg_instance> {
|
|
std::string _id;
|
|
std::string _codec;
|
|
std::string _name;
|
|
|
|
const AVCodec* _avcodec;
|
|
|
|
std::shared_ptr<handler::handler> _handler;
|
|
|
|
public:
|
|
ffmpeg_factory(const AVCodec* codec);
|
|
virtual ~ffmpeg_factory();
|
|
|
|
const char* get_name() override;
|
|
|
|
void get_defaults2(obs_data_t* data) override;
|
|
|
|
obs_properties_t* get_properties2(instance_t* data) override;
|
|
|
|
public:
|
|
const AVCodec* get_avcodec();
|
|
};
|
|
|
|
class ffmpeg_manager {
|
|
std::map<const AVCodec*, std::shared_ptr<ffmpeg_factory>> _factories;
|
|
std::map<std::string, std::shared_ptr<handler::handler>> _handlers;
|
|
std::shared_ptr<handler::handler> _debug_handler;
|
|
|
|
public:
|
|
ffmpeg_manager();
|
|
~ffmpeg_manager();
|
|
|
|
void register_encoders();
|
|
|
|
void register_handler(std::string codec, std::shared_ptr<handler::handler> handler);
|
|
|
|
std::shared_ptr<handler::handler> get_handler(std::string codec);
|
|
|
|
bool has_handler(std::string codec);
|
|
|
|
public: // Singleton
|
|
static void initialize();
|
|
|
|
static void finalize();
|
|
|
|
static std::shared_ptr<ffmpeg_manager> get();
|
|
};
|
|
} // namespace streamfx::encoder::ffmpeg
|