obs-StreamFX/source/encoders/handlers/nvenc_h264_handler.cpp

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// 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.
#include "nvenc_h264_handler.hpp"
#include "strings.hpp"
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#include "../codecs/h264.hpp"
#include "../encoder-ffmpeg.hpp"
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#include "ffmpeg/tools.hpp"
#include "nvenc_shared.hpp"
#include "plugin.hpp"
extern "C" {
#ifdef _MSC_VER
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#pragma warning(push)
#pragma warning(disable : 4242 4244 4365)
#endif
#include <obs-module.h>
#include <libavutil/opt.h>
#ifdef _MSC_VER
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#pragma warning(pop)
#endif
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}
#define ST_KEY_PROFILE "H264.Profile"
#define ST_KEY_LEVEL "H264.Level"
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using namespace streamfx::encoder::ffmpeg::handler;
using namespace streamfx::encoder::codec::h264;
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void nvenc_h264_handler::adjust_info(ffmpeg_factory* fac, const AVCodec*, std::string&, std::string& name, std::string&)
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{
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name = "NVIDIA NVENC H.264/AVC (via FFmpeg)";
if (!nvenc::is_available())
fac->get_info()->caps |= OBS_ENCODER_CAP_DEPRECATED;
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}
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void nvenc_h264_handler::get_defaults(obs_data_t* settings, const AVCodec* codec, AVCodecContext* context, bool)
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{
nvenc::get_defaults(settings, codec, context);
obs_data_set_default_string(settings, ST_KEY_PROFILE, "");
obs_data_set_default_string(settings, ST_KEY_LEVEL, "auto");
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}
bool nvenc_h264_handler::has_keyframe_support(ffmpeg_factory*)
{
return true;
}
bool nvenc_h264_handler::is_hardware_encoder(ffmpeg_factory*)
{
return true;
}
bool nvenc_h264_handler::has_threading_support(ffmpeg_factory*)
{
return false;
}
bool nvenc_h264_handler::has_pixel_format_support(ffmpeg_factory*)
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{
return true;
}
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void nvenc_h264_handler::get_properties(obs_properties_t* props, const AVCodec* codec, AVCodecContext* context, bool)
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{
if (!context) {
this->get_encoder_properties(props, codec);
} else {
this->get_runtime_properties(props, codec, context);
}
}
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void nvenc_h264_handler::update(obs_data_t* settings, const AVCodec* codec, AVCodecContext* context)
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{
nvenc::update(settings, codec, context);
if (!context->internal) {
if (const char* v = obs_data_get_string(settings, ST_KEY_PROFILE); v && (v[0] != '\0')) {
av_opt_set(context->priv_data, "profile", v, AV_OPT_SEARCH_CHILDREN);
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}
if (const char* v = obs_data_get_string(settings, ST_KEY_LEVEL); v && (v[0] != '\0')) {
av_opt_set(context->priv_data, "level", v, AV_OPT_SEARCH_CHILDREN);
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}
}
}
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void nvenc_h264_handler::override_update(ffmpeg_instance* instance, obs_data_t* settings)
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{
nvenc::override_update(instance, settings);
}
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void nvenc_h264_handler::log_options(obs_data_t* settings, const AVCodec* codec, AVCodecContext* context)
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{
nvenc::log_options(settings, codec, context);
DLOG_INFO("[%s] H.264/AVC:", codec->name);
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::streamfx::ffmpeg::tools::print_av_option_string2(context, context->priv_data, "profile", " Profile",
[](int64_t v, std::string_view o) { return std::string(o); });
::streamfx::ffmpeg::tools::print_av_option_string2(context, context->priv_data, "level", " Level",
[](int64_t v, std::string_view o) { return std::string(o); });
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}
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void nvenc_h264_handler::get_encoder_properties(obs_properties_t* props, const AVCodec* codec)
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{
AVCodecContext* context = avcodec_alloc_context3(codec);
if (!context->priv_data) {
avcodec_free_context(&context);
return;
}
nvenc::get_properties_pre(props, codec, context);
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{
obs_properties_t* grp = props;
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if (!streamfx::util::are_property_groups_broken()) {
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grp = obs_properties_create();
obs_properties_add_group(props, S_CODEC_H264, D_TRANSLATE(S_CODEC_H264), OBS_GROUP_NORMAL, grp);
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}
{
auto p = obs_properties_add_list(grp, ST_KEY_PROFILE, D_TRANSLATE(S_CODEC_H264_PROFILE),
OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_STRING);
obs_property_list_add_string(p, D_TRANSLATE(S_STATE_DEFAULT), "");
streamfx::ffmpeg::tools::avoption_list_add_entries(
context->priv_data, "profile", [&p](const AVOption* opt) {
char buffer[1024];
snprintf(buffer, sizeof(buffer), "%s.%s\0", S_CODEC_H264_PROFILE, opt->name);
obs_property_list_add_string(p, D_TRANSLATE(buffer), opt->name);
});
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}
{
auto p = obs_properties_add_list(grp, ST_KEY_LEVEL, D_TRANSLATE(S_CODEC_H264_LEVEL), OBS_COMBO_TYPE_LIST,
OBS_COMBO_FORMAT_STRING);
streamfx::ffmpeg::tools::avoption_list_add_entries(context->priv_data, "level", [&p](const AVOption* opt) {
if (opt->default_val.i64 == 0) {
obs_property_list_add_string(p, D_TRANSLATE(S_STATE_AUTOMATIC), "auto");
} else {
obs_property_list_add_string(p, opt->name, opt->name);
}
});
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}
}
nvenc::get_properties_post(props, codec, context);
if (context) {
avcodec_free_context(&context);
}
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}
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void nvenc_h264_handler::get_runtime_properties(obs_properties_t* props, const AVCodec* codec, AVCodecContext* context)
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{
nvenc::get_runtime_properties(props, codec, context);
}
void streamfx::encoder::ffmpeg::handler::nvenc_h264_handler::migrate(obs_data_t* settings, uint64_t version,
const AVCodec* codec, AVCodecContext* context)
{
nvenc::migrate(settings, version, codec, context);
if (version < STREAMFX_MAKE_VERSION(0, 11, 1, 0)) {
// Profile
if (auto v = obs_data_get_int(settings, ST_KEY_PROFILE); v != -1) {
if (!obs_data_has_user_value(settings, ST_KEY_PROFILE))
v = 3;
std::map<int64_t, std::string> preset{
{0, "baseline"}, {1, "baseline"}, {2, "main"}, {3, "high"}, {4, "high444p"},
};
if (auto k = preset.find(v); k != preset.end()) {
obs_data_set_string(settings, ST_KEY_PROFILE, k->second.data());
}
}
// Level
obs_data_set_string(settings, ST_KEY_LEVEL, "auto");
}
}
bool nvenc_h264_handler::supports_reconfigure(ffmpeg_factory* instance, bool& threads, bool& gpu, bool& keyframes)
{
threads = false;
gpu = false;
keyframes = false;
return true;
}