134 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| // FFMPEG Video Encoder Integration for OBS Studio
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| // Copyright (c) 2019 Michael Fabian Dirks <info@xaymar.com>
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| //
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| // Permission is hereby granted, free of charge, to any person obtaining a copy
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| // of this software and associated documentation files (the "Software"), to deal
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| // in the Software without restriction, including without limitation the rights
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| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| // copies of the Software, and to permit persons to whom the Software is
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| // furnished to do so, subject to the following conditions:
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| //
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| // The above copyright notice and this permission notice shall be included in all
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| // copies or substantial portions of the Software.
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| //
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| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| // SOFTWARE.
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| 
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| #include "prores_aw_handler.hpp"
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| #include <array>
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| #include "../codecs/prores.hpp"
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| #include "ffmpeg/tools.hpp"
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| #include "plugin.hpp"
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| #include "utility.hpp"
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| 
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| extern "C" {
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| #include <obs-module.h>
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| }
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| 
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| using namespace encoder::ffmpeg::handler;
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| 
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| void prores_aw_handler::override_colorformat(AVPixelFormat& target_format, obs_data_t* settings, const AVCodec* codec,
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| 											 AVCodecContext*)
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| {
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| 	static const std::array<std::pair<encoder::codec::prores::profile, AVPixelFormat>,
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| 							static_cast<size_t>(encoder::codec::prores::profile::_COUNT)>
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| 		profile_to_format_map{
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| 			std::pair{encoder::codec::prores::profile::APCO, AV_PIX_FMT_YUV422P10},
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| 			std::pair{encoder::codec::prores::profile::APCS, AV_PIX_FMT_YUV422P10},
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| 			std::pair{encoder::codec::prores::profile::APCN, AV_PIX_FMT_YUV422P10},
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| 			std::pair{encoder::codec::prores::profile::APCH, AV_PIX_FMT_YUV422P10},
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| 			std::pair{encoder::codec::prores::profile::AP4H, AV_PIX_FMT_YUV444P10},
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| 			std::pair{encoder::codec::prores::profile::AP4X, AV_PIX_FMT_YUV444P10},
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| 		};
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| 
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| 	const std::int64_t profile_id = obs_data_get_int(settings, P_PRORES_PROFILE);
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| 	for (auto kv : profile_to_format_map) {
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| 		if (kv.first == static_cast<encoder::codec::prores::profile>(profile_id)) {
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| 			target_format = kv.second;
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| 			break;
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| 		}
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| 	}
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| }
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| 
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| void prores_aw_handler::get_defaults(obs_data_t* settings, const AVCodec*, AVCodecContext*, bool)
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| {
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| 	obs_data_set_default_int(settings, P_PRORES_PROFILE, 0);
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| }
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| 
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| bool encoder::ffmpeg::handler::prores_aw_handler::has_pixel_format_support(ffmpeg_factory* instance)
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| {
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| 	return false;
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| }
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| 
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| inline const char* profile_to_name(const AVProfile* ptr)
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| {
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| 	switch (static_cast<encoder::codec::prores::profile>(ptr->profile)) {
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| 	case encoder::codec::prores::profile::APCO:
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| 		return D_TRANSLATE(P_PRORES_PROFILE_APCO);
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| 	case encoder::codec::prores::profile::APCS:
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| 		return D_TRANSLATE(P_PRORES_PROFILE_APCS);
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| 	case encoder::codec::prores::profile::APCN:
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| 		return D_TRANSLATE(P_PRORES_PROFILE_APCN);
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| 	case encoder::codec::prores::profile::APCH:
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| 		return D_TRANSLATE(P_PRORES_PROFILE_APCH);
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| 	case encoder::codec::prores::profile::AP4H:
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| 		return D_TRANSLATE(P_PRORES_PROFILE_AP4H);
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| 	case encoder::codec::prores::profile::AP4X:
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| 		return D_TRANSLATE(P_PRORES_PROFILE_AP4X);
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| 	default:
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| 		return ptr->name;
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| 	}
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| }
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| 
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| void prores_aw_handler::get_properties(obs_properties_t* props, const AVCodec* codec, AVCodecContext* context, bool)
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| {
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| 	if (!context) {
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| 		auto p = obs_properties_add_list(props, P_PRORES_PROFILE, D_TRANSLATE(P_PRORES_PROFILE), OBS_COMBO_TYPE_LIST,
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| 										 OBS_COMBO_FORMAT_INT);
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| 		obs_property_set_long_description(p, D_TRANSLATE(D_DESC(P_PRORES_PROFILE)));
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| 		for (auto ptr = codec->profiles; ptr->profile != FF_PROFILE_UNKNOWN; ptr++) {
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| 			obs_property_list_add_int(p, profile_to_name(ptr), static_cast<int64_t>(ptr->profile));
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| 		}
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| 	} else {
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| 		obs_property_set_enabled(obs_properties_get(props, P_PRORES_PROFILE), false);
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| 	}
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| }
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| 
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| void prores_aw_handler::update(obs_data_t* settings, const AVCodec*, AVCodecContext* context)
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| {
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| 	context->profile = static_cast<int>(obs_data_get_int(settings, P_PRORES_PROFILE));
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| }
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| 
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| void prores_aw_handler::log_options(obs_data_t* settings, const AVCodec* codec, AVCodecContext* context)
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| {
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| 	LOG_INFO("[%s]   Apple ProRes:", codec->name);
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| 	::ffmpeg::tools::print_av_option_string(context, "profile", "    Profile", [&codec](int64_t v) {
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| 		int val = static_cast<int>(v);
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| 		for (auto ptr = codec->profiles; (ptr->profile != FF_PROFILE_UNKNOWN) && (ptr != nullptr); ptr++) {
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| 			if (ptr->profile == val) {
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| 				return std::string(profile_to_name(ptr));
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| 			}
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| 		}
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| 		return std::string("<Unknown>");
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| 	});
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| }
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| 
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| void prores_aw_handler::process_avpacket(AVPacket& packet, const AVCodec*, AVCodecContext*)
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| {
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| 	//FFmpeg Bug:
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| 	// When ProRes content is stored in Matroska, FFmpeg strips the size
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| 	// from the atom. Later when the ProRes content is demuxed from Matroska,
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| 	// FFmpeg creates an atom with the incorrect size, as the ATOM size
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| 	// should be content + atom, but FFmpeg set it to only be content. This
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| 	// difference leads to decoders to be off by 8 bytes.
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| 	//Fix (until FFmpeg stops being broken):
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| 	// Pad the packet with 8 bytes of 0x00.
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| 
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| 	av_grow_packet(&packet, 8);
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| }
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