X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fffmpeg%2Fproducer%2Futil.h;h=7b32ff9f0b1c090c8b1a0f7b7cc41e66239c4dcc;hb=ac7b3acb915f90de6b224e54a2240023fc221e5a;hp=501f7f8b72922a3fa90e79fa606291d34e1bad95;hpb=51cc844366d70779e17803ab721e23b62e9f9442;p=casparcg

diff --git a/modules/ffmpeg/producer/util.h b/modules/ffmpeg/producer/util.h
index 501f7f8b7..7b32ff9f0 100644
--- a/modules/ffmpeg/producer/util.h
+++ b/modules/ffmpeg/producer/util.h
@@ -1,237 +1,38 @@
 #pragma once
 
-#include <tbb/concurrent_unordered_map.h>
-#include <tbb/concurrent_queue.h>
+#include <common/memory/safe_ptr.h>
 
+#include <core/video_format.h>
 #include <core/producer/frame/pixel_format.h>
-#include <core/producer/frame/image_transform.h>
-#include <core/producer/frame/frame_factory.h>
-#include <core/mixer/write_frame.h>
 
-#if defined(_MSC_VER)
-#pragma warning (push)
-#pragma warning (disable : 4244)
-#endif
-extern "C" 
+extern "C"
 {
-	#include <libswscale/swscale.h>
-	#include <libavcodec/avcodec.h>
-	#include <libavfilter/avfilter.h>
+	#include <libavutil/pixfmt.h>
 }
-#if defined(_MSC_VER)
-#pragma warning (pop)
-#endif
 
-namespace caspar {
-
-static core::pixel_format::type get_pixel_format(PixelFormat pix_fmt)
-{
-	switch(pix_fmt)
-	{
-	case PIX_FMT_GRAY8:		return core::pixel_format::gray;
-	case PIX_FMT_BGRA:		return core::pixel_format::bgra;
-	case PIX_FMT_ARGB:		return core::pixel_format::argb;
-	case PIX_FMT_RGBA:		return core::pixel_format::rgba;
-	case PIX_FMT_ABGR:		return core::pixel_format::abgr;
-	case PIX_FMT_YUV444P:	return core::pixel_format::ycbcr;
-	case PIX_FMT_YUV422P:	return core::pixel_format::ycbcr;
-	case PIX_FMT_YUV420P:	return core::pixel_format::ycbcr;
-	case PIX_FMT_YUV411P:	return core::pixel_format::ycbcr;
-	case PIX_FMT_YUV410P:	return core::pixel_format::ycbcr;
-	case PIX_FMT_YUVA420P:	return core::pixel_format::ycbcra;
-	default:				return core::pixel_format::invalid;
-	}
-}
-
-static PixelFormat get_ffmpeg_pixel_format(const core::pixel_format_desc& format_desc)
-{
-	switch(format_desc.pix_fmt)
-	{
-	case core::pixel_format::gray: return PIX_FMT_GRAY8;
-	case core::pixel_format::bgra: return PIX_FMT_BGRA;
-	case core::pixel_format::argb: return PIX_FMT_ARGB;
-	case core::pixel_format::rgba: return PIX_FMT_RGBA;
-	case core::pixel_format::abgr: return PIX_FMT_ABGR;
-	case core::pixel_format::ycbcra: return PIX_FMT_YUVA420P;
-	case core::pixel_format::ycbcr:
-		auto planes = format_desc.planes;
-		if(planes[0].height == planes[1].height)
-		{
-			if(planes[0].width == planes[1].width)
-				return PIX_FMT_YUV444P;
-			else if(planes[0].width/2 == planes[1].width)
-				return PIX_FMT_YUV422P;
-			else if(planes[0].width/4 == planes[1].width)
-				return PIX_FMT_YUV411P;
-		}
-		if(planes[0].height/2 == planes[1].height)
-		{
-			if(planes[0].width/2 == planes[1].width)
-				return PIX_FMT_YUV420P;
-		}
-		if(planes[0].height/4 == planes[1].height)
-		{
-			if(planes[0].width/4 == planes[1].width)
-				return PIX_FMT_YUV410P;
-		}
-	}
-	return PIX_FMT_NONE;
-}
-
-static safe_ptr<AVFrame> as_av_frame(const safe_ptr<core::write_frame>& frame)
-{
-	auto desc = frame->get_pixel_format_desc();
-	safe_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free);	
-	avcodec_get_frame_defaults(av_frame.get());
-
-	for(size_t n = 0; n < desc.planes.size(); ++n)
-	{	
-		av_frame->data[n]		= frame->image_data(n).begin();
-		av_frame->linesize[n]	= desc.planes[n].width;
-	}
-
-	av_frame->format	= get_ffmpeg_pixel_format(desc);
-	av_frame->width		= desc.planes[0].width;
-	av_frame->height	= desc.planes[0].height;
+struct AVFrame;
+struct AVFormatContext;
 
-	if(frame->get_type() != core::video_mode::progressive)
-	{
-		av_frame->interlaced_frame = 1;
-		av_frame->top_field_first = frame->get_type() == core::video_mode::upper ? 1 : 0;
-	}
-
-	return av_frame;
-}
-
-static core::pixel_format_desc get_pixel_format_desc(PixelFormat pix_fmt, size_t width, size_t height)
-{
-	// Get linesizes
-	AVPicture dummy_pict;	
-	avpicture_fill(&dummy_pict, nullptr, pix_fmt, width, height);
+namespace caspar {
 
-	core::pixel_format_desc desc;
-	desc.pix_fmt = get_pixel_format(pix_fmt);
-		
-	switch(desc.pix_fmt)
-	{
-	case core::pixel_format::gray:
-		{
-			desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[0]/4, height, 1));						
-			return desc;
-		}
-	case core::pixel_format::bgra:
-	case core::pixel_format::argb:
-	case core::pixel_format::rgba:
-	case core::pixel_format::abgr:
-		{
-			desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[0]/4, height, 4));						
-			return desc;
-		}
-	case core::pixel_format::ycbcr:
-	case core::pixel_format::ycbcra:
-		{		
-			// Find chroma height
-			size_t size2 = dummy_pict.data[2] - dummy_pict.data[1];
-			size_t h2 = size2/dummy_pict.linesize[1];			
+namespace core {
 
-			desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[0], height, 1));
-			desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[1], h2, 1));
-			desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[2], h2, 1));
+struct pixel_format_desc;
+class write_frame;
+struct frame_factory;
 
-			if(desc.pix_fmt == core::pixel_format::ycbcra)						
-				desc.planes.push_back(core::pixel_format_desc::plane(dummy_pict.linesize[3], height, 1));	
-			return desc;
-		}		
-	default:		
-		desc.pix_fmt = core::pixel_format::invalid;
-		return desc;
-	}
 }
 
-static safe_ptr<core::write_frame> make_write_frame(const void* tag, const safe_ptr<AVFrame>& decoded_frame, const safe_ptr<core::frame_factory>& frame_factory)
-{			
-	static tbb::concurrent_unordered_map<size_t, tbb::concurrent_queue<std::shared_ptr<SwsContext>>> sws_contexts_;
-
-	auto width   = decoded_frame->width;
-	auto height  = decoded_frame->height;
-	auto pix_fmt = static_cast<PixelFormat>(decoded_frame->format);
-	auto desc	 = get_pixel_format_desc(pix_fmt, width, height);
-				
-	auto write = frame_factory->create_frame(tag, desc.pix_fmt != core::pixel_format::invalid ? desc : get_pixel_format_desc(PIX_FMT_BGRA, width, height));
-	if(decoded_frame->interlaced_frame)
-		write->set_type(decoded_frame->top_field_first ? core::video_mode::upper : core::video_mode::lower);
-	else
-		write->set_type(core::video_mode::progressive);
+namespace ffmpeg {
 
-	if(desc.pix_fmt == core::pixel_format::invalid)
-	{
-		std::shared_ptr<SwsContext> sws_context;
+static const PixelFormat	CASPAR_PIX_FMT_LUMA = PIX_FMT_MONOBLACK; // Just hijack some unual pixel format.
 
-		//CASPAR_LOG(warning) << "Hardware accelerated color transform not supported.";
+core::field_mode::type		get_mode(AVFrame& frame);
+core::pixel_format::type	get_pixel_format(PixelFormat pix_fmt);
+core::pixel_format_desc		get_pixel_format_desc(PixelFormat pix_fmt, size_t width, size_t height);
+int							make_alpha_format(int format); // NOTE: Be careful about CASPAR_PIX_FMT_LUMA, change it to PIX_FMT_GRAY8 if you want to use the frame inside some ffmpeg function.
+safe_ptr<core::write_frame> make_write_frame(const void* tag, const safe_ptr<AVFrame>& decoded_frame, const safe_ptr<core::frame_factory>& frame_factory, int hints);
 
-		size_t key = width << 20 | height << 8 | pix_fmt;
-			
-		auto& pool = sws_contexts_[key];
-						
-		if(!pool.try_pop(sws_context))
-		{
-			double param;
-			sws_context.reset(sws_getContext(width, height, pix_fmt, width, height, PIX_FMT_BGRA, SWS_BILINEAR, nullptr, nullptr, &param), sws_freeContext);
-		}
-			
-		if(!sws_context)
-		{
-			BOOST_THROW_EXCEPTION(operation_failed() << msg_info("Could not create software scaling context.") << 
-									boost::errinfo_api_function("sws_getContext"));
-		}	
-
-		// Use sws_scale when provided colorspace has no hw-accel.
-		safe_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free);	
-		avcodec_get_frame_defaults(av_frame.get());			
-		avpicture_fill(reinterpret_cast<AVPicture*>(av_frame.get()), write->image_data().begin(), PIX_FMT_BGRA, width, height);
-		 
-		sws_scale(sws_context.get(), decoded_frame->data, decoded_frame->linesize, 0, height, av_frame->data, av_frame->linesize);	
-		pool.push(sws_context);
-
-		write->commit();
-	}
-	else
-	{
-		tbb::parallel_for(0, static_cast<int>(desc.planes.size()), 1, [&](int n)
-		{
-			auto plane            = desc.planes[n];
-			auto result           = write->image_data(n).begin();
-			auto decoded          = decoded_frame->data[n];
-			auto decoded_linesize = decoded_frame->linesize[n];
-				
-			// Copy line by line since ffmpeg sometimes pads each line.
-			tbb::parallel_for(tbb::blocked_range<size_t>(0, static_cast<int>(desc.planes[n].height)), [&](const tbb::blocked_range<size_t>& r)
-			{
-				for(size_t y = r.begin(); y != r.end(); ++y)
-					memcpy(result + y*plane.linesize, decoded + y*decoded_linesize, plane.linesize);
-			});
-
-			write->commit(n);
-		});
-	}
-		
-	// Fix field-order if needed
-	if(decoded_frame->interlaced_frame)
-	{
-		switch(frame_factory->get_video_format_desc().mode)
-		{
-		case core::video_mode::upper:
-			if(!decoded_frame->top_field_first)
-				write->get_image_transform().set_fill_translation(0.0f, 0.5/static_cast<double>(height));
-			break;
-		case core::video_mode::lower:
-			if(decoded_frame->top_field_first)
-				write->get_image_transform().set_fill_translation(0.0f, -0.5/static_cast<double>(height));
-			break;
-		}
-	}
-
-	return write;
-}
+void fix_meta_data(AVFormatContext& context);
 
-}
\ No newline at end of file
+}}
\ No newline at end of file