added filter example

Author: Raveler

.gitignore

@@ -18,7 +18,7 @@
 /source/ffmpeg-cpp/encode_audio/obj
 /source/ffmpeg-cpp/encode_video/obj
 /source/ffmpeg-cpp/decode_video/obj
-/source/ffmpeg-cpp/filter_video/obj
+/source/ffmpeg-cpp/filtering_video/obj
 /include
 
 /source/ffmpeg-cpp/remuxing/obj

source/ffmpeg-cpp/encode_video/encode_video.cpp

@@ -14,7 +14,7 @@ int main()
 		// Create a muxer that will output the video as MKV.
 		Muxer* muxer = new Muxer("output.mpg");
 
-		// Create a MP3 codec that will encode the raw data.
+		// Create a MPEG2 codec that will encode the raw data.
 		VideoCodec* codec = new VideoCodec("mpeg2video");
 
 		// Set the global quality of the video encoding. This maps to the command line

source/ffmpeg-cpp/filtering_video/filtering_video.cpp

@@ -14,43 +14,42 @@ int main()
 		// Create a muxer that will output the video as MKV.
 		Muxer* muxer = new Muxer("filtered_video.mp4");
 
-		// Create a MP3 codec that will encode the raw data.
+		// Create a MPEG2 codec that will encode the raw data.
 		VideoCodec* codec = new VideoCodec(AV_CODEC_ID_MPEG2VIDEO);
-		codec->SetOption("preset", "default");
-		//VideoCodec* codec = new H264NVEncCodec();
+
+		// Set the global quality of the video encoding. This maps to the command line
+		// parameter -qscale and must be within range [0,31].
+		codec->SetQualityScale(0);
 
 		// Create an encoder that will encode the raw audio data as MP3.
 		// Tie it to the muxer so it will be written to the file.
 		VideoEncoder* encoder = new VideoEncoder(codec, muxer);
 
-		// Load the raw video file so we can process it.
-		// FFmpeg is very good at deducing the file format, even from raw video files,
-		// but if we have something weird, we can specify the properties of the format
-		// in the constructor as commented out below.
-		RawVideoFileSource* videoFile = new RawVideoFileSource("samples/carphone_qcif.y4m", encoder);
+		// Create a video filter and do some funny stuff with the video data.
+		VideoFilter* filter = new VideoFilter("scale=640:150,transpose=cclock,vignette", encoder);
+
+		// Load a video from a container and send it to the filter first.
+		Demuxer* demuxer = new Demuxer("samples/big_buck_bunny.mp4");
+		demuxer->DecodeBestVideoStream(filter);
 
 		// Prepare the output pipeline. This will push a small amount of frames to the file sink until it IsPrimed returns true.
-		videoFile->PreparePipeline();
+		demuxer->PreparePipeline();
 
 		// Push all the remaining frames through.
-		while (!videoFile->IsDone())
+		while (!demuxer->IsDone())
 		{
-			videoFile->Step();
+			demuxer->Step();
 		}
 
 		// Save everything to disk by closing the muxer.
 		muxer->Close();
 	}
-	catch (const char* bla)
-	{
-
-	}
-	/*catch (FFmpegException e)
+	catch (FFmpegException e)
 	{
 		cerr << "Exception caught!" << endl;
 		cerr << e.what() << endl;
 		throw e;
-	}*/
+	}
 
 	cout << "Encoding complete!" << endl;
 	cout << "Press any key to continue..." << endl;

source/ffmpeg-cpp/filtering_video/filtering_video.vcxproj.user

@@ -1,4 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LocalDebuggerWorkingDirectory>$(OutDir)</LocalDebuggerWorkingDirectory>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LocalDebuggerWorkingDirectory>$(OutDir)</LocalDebuggerWorkingDirectory>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LocalDebuggerWorkingDirectory>$(OutDir)</LocalDebuggerWorkingDirectory>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LocalDebuggerWorkingDirectory>$(OutDir)</LocalDebuggerWorkingDirectory>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
 </Project>

source/ffmpeg-cpp/remuxing/remuxing.cpp

@@ -56,16 +56,12 @@ int main()
 		// Save everything to disk by closing the muxer.
 		muxer->Close();
 	}
-	catch (const char* bla)
-	{
-
-	}
-	/*catch (FFmpegException e)
+	catch (FFmpegException e)
 	{
 		cerr << "Exception caught!" << endl;
 		cerr << e.what() << endl;
 		throw e;
-	}*/
+	}
 
 	cout << "Encoding complete!" << endl;
 	cout << "Press any key to continue..." << endl;