mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-11-24 04:15:11 +00:00
a7ac58aba6
Due to an oversight in the code, the fallback code would simply fail to work as the encoder was always the zero-copy version. This resulted in weird crashes and encoders not working that used to work before. Fixes #295
353 lines
12 KiB
C++
353 lines
12 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2020 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#pragma once
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#include "common.hpp"
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#include "plugin.hpp"
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namespace obs {
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template<class _factory, typename _instance>
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class encoder_factory {
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public:
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typedef _factory factory_t;
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typedef _instance instance_t;
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protected:
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obs_encoder_info _info = {};
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obs_encoder_info _info_fallback = {};
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std::string _info_fallback_id;
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std::map<std::string, std::shared_ptr<obs_encoder_info>> _proxies;
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std::set<std::string> _proxy_names;
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public:
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encoder_factory()
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{
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_info.type_data = this;
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_info.get_name = _get_name;
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_info.create = _create_hw;
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_info.destroy = _destroy;
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_info.get_defaults2 = _get_defaults2;
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_info.get_properties2 = _get_properties2;
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_info.update = _update;
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_info.encode = _encode;
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_info.get_extra_data = _get_extra_data;
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_info.get_sei_data = _get_sei_data;
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}
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virtual ~encoder_factory() {}
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void finish_setup()
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{
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if (_info.type == OBS_ENCODER_AUDIO) {
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_info.get_frame_size = _get_frame_size;
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_info.get_audio_info = _get_audio_info;
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} else if (_info.type == OBS_ENCODER_VIDEO) {
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_info.get_video_info = _get_video_info;
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}
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if (_info.caps & OBS_ENCODER_CAP_PASS_TEXTURE) {
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_info.encode_texture = _encode_texture;
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memcpy(&_info_fallback, &_info, sizeof(obs_encoder_info));
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_info_fallback_id = std::string(_info.id) + "_sw";
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_info_fallback.id = _info_fallback_id.c_str();
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_info_fallback.caps =
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(_info_fallback.caps & ~OBS_ENCODER_CAP_PASS_TEXTURE) | OBS_ENCODER_CAP_DEPRECATED;
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_info_fallback.create = _create;
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_info_fallback.encode_texture = nullptr;
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obs_register_encoder(&_info_fallback);
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} else {
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_info.create = _create;
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}
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obs_register_encoder(&_info);
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}
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void register_proxy(std::string_view name)
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{
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auto iter = _proxy_names.emplace(name);
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// Create proxy.
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std::shared_ptr<obs_encoder_info> proxy = std::make_shared<obs_encoder_info>();
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memcpy(proxy.get(), &_info, sizeof(obs_encoder_info));
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proxy->id = iter.first->c_str();
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proxy->caps |= OBS_ENCODER_CAP_DEPRECATED;
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obs_register_encoder(proxy.get());
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_proxies.emplace(name, proxy);
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}
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private /* Factory */:
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static const char* _get_name(void* type_data) noexcept
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try {
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if (type_data)
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return reinterpret_cast<factory_t*>(type_data)->get_name();
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return nullptr;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return nullptr;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return nullptr;
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}
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static void* _create(obs_data_t* settings, obs_encoder_t* encoder) noexcept
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try {
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auto* fac = reinterpret_cast<factory_t*>(obs_encoder_get_type_data(encoder));
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return fac->create(settings, encoder, false);
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return nullptr;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return nullptr;
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}
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static void* _create_hw(obs_data_t* settings, obs_encoder_t* encoder) noexcept
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try {
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auto* fac = reinterpret_cast<factory_t*>(obs_encoder_get_type_data(encoder));
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try {
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return fac->create(settings, encoder, true);
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} catch (...) {
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return obs_encoder_create_rerouted(encoder, fac->_info_fallback.id);
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}
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return nullptr;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return nullptr;
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}
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static void _get_defaults2(obs_data_t* settings, void* type_data) noexcept
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try {
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if (type_data)
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reinterpret_cast<factory_t*>(type_data)->get_defaults2(settings);
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static obs_properties_t* _get_properties2(void* data, void* type_data) noexcept
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try {
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if (type_data)
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return reinterpret_cast<factory_t*>(type_data)->get_properties2(reinterpret_cast<instance_t*>(data));
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return nullptr;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return nullptr;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return nullptr;
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}
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private /* Instance */:
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static void _destroy(void* data) noexcept
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try {
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if (data)
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delete reinterpret_cast<instance_t*>(data);
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static bool _update(void* data, obs_data_t* settings) noexcept
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try {
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auto priv = reinterpret_cast<instance_t*>(data);
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if (priv) {
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std::uint64_t version = static_cast<std::uint64_t>(obs_data_get_int(settings, S_VERSION));
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priv->migrate(settings, version);
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obs_data_set_int(settings, S_VERSION, static_cast<std::int64_t>(STREAMFX_VERSION));
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obs_data_set_string(settings, S_COMMIT, STREAMFX_COMMIT);
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return priv->update(settings);
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}
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return false;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return false;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return false;
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}
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static bool _encode(void* data, struct encoder_frame* frame, struct encoder_packet* packet,
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bool* received_packet) noexcept
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try {
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if (data)
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return reinterpret_cast<instance_t*>(data)->encode(frame, packet, received_packet);
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return false;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return false;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return false;
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}
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static bool _encode_texture(void* data, uint32_t handle, int64_t pts, uint64_t lock_key, uint64_t* next_key,
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struct encoder_packet* packet, bool* received_packet) noexcept
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try {
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if (data)
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return reinterpret_cast<instance_t*>(data)->encode_video(handle, pts, lock_key, next_key, packet,
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received_packet);
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return false;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return false;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return false;
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}
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static size_t _get_frame_size(void* data) noexcept
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try {
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if (data)
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return reinterpret_cast<instance_t*>(data)->get_frame_size();
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return 0;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return 0;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return 0;
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}
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static bool _get_extra_data(void* data, uint8_t** extra_data, size_t* size) noexcept
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try {
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if (data)
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return reinterpret_cast<instance_t*>(data)->get_extra_data(extra_data, size);
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return false;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return false;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return false;
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}
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static bool _get_sei_data(void* data, uint8_t** sei_data, size_t* size) noexcept
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try {
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if (data)
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return reinterpret_cast<instance_t*>(data)->get_sei_data(sei_data, size);
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return false;
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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return false;
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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return false;
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}
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static void _get_audio_info(void* data, struct audio_convert_info* info) noexcept
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try {
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if (data)
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reinterpret_cast<instance_t*>(data)->get_audio_info(info);
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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static void _get_video_info(void* data, struct video_scale_info* info) noexcept
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try {
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if (data)
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reinterpret_cast<instance_t*>(data)->get_video_info(info);
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} catch (const std::exception& ex) {
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DLOG_ERROR("Unexpected exception in function '%s': %s.", __FUNCTION_NAME__, ex.what());
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} catch (...) {
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DLOG_ERROR("Unexpected exception in function '%s'.", __FUNCTION_NAME__);
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}
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public:
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virtual const char* get_name()
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{
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return "Not Yet Implemented";
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}
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virtual void* create(obs_data_t* settings, obs_encoder_t* encoder, bool is_hw)
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{
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return reinterpret_cast<void*>(new instance_t(settings, encoder, is_hw));
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}
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virtual void get_defaults2(obs_data_t* data) {}
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virtual obs_properties_t* get_properties2(instance_t* data)
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{
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return nullptr;
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}
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};
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class encoder_instance {
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protected:
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obs_encoder_t* _self;
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public:
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encoder_instance(obs_data_t* settings, obs_encoder_t* self, bool is_hw) : _self(self) {}
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virtual ~encoder_instance(){};
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virtual void migrate(obs_data_t* settings, std::uint64_t version) {}
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virtual bool update(obs_data_t* settings)
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{
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return false;
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}
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virtual bool encode(struct encoder_frame* frame, struct encoder_packet* packet, bool* received_packet)
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{
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auto type = obs_encoder_get_type(_self);
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if (type == OBS_ENCODER_VIDEO) {
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return encode_video(frame, packet, received_packet);
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} else if (type == OBS_ENCODER_AUDIO) {
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return encode_audio(frame, packet, received_packet);
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}
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return false;
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}
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virtual bool encode_audio(struct encoder_frame* frame, struct encoder_packet* packet,
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bool* received_packet) = 0;
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virtual bool encode_video(struct encoder_frame* frame, struct encoder_packet* packet,
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bool* received_packet) = 0;
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virtual bool encode_video(uint32_t handle, int64_t pts, uint64_t lock_key, uint64_t* next_key,
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struct encoder_packet* packet, bool* received_packet) = 0;
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virtual size_t get_frame_size()
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{
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return 0;
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}
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virtual bool get_extra_data(uint8_t** extra_data, size_t* size)
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{
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return false;
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}
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virtual bool get_sei_data(uint8_t** sei_data, size_t* size)
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{
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return false;
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}
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virtual void get_audio_info(struct audio_convert_info* info) {}
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virtual void get_video_info(struct video_scale_info* info) {}
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};
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} // namespace obs
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