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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include "vidl_itk_istream.hxx"
#include "itkVideoFileReader.h"
#include "itkVXLVideoIOFactory.h"
#include "vidl/vidl_ffmpeg_ostream.h"
//
// Helper function to test pixel type
//
template<typename TPixelType>
bool TestFormat(vidl_pixel_format expectedFormat)
{
typedef TPixelType PixelType;
typedef itk::Image<PixelType, 2> FrameType;
typedef itk::VideoStream<FrameType> VideoType;
typedef itk::vidl_itk_istream<VideoType> StreamType;
StreamType* stream = new StreamType();
bool out = (stream->format() == expectedFormat);
delete stream;
return out;
}
#define TestFormatMacro(PixelType, expectedFormat) \
if (!TestFormat<PixelType>(expectedFormat)) \
{ \
std::cerr << "format() did not return expected result for pixel type " \
<< typeid(PixelType).name() << std::endl; \
return EXIT_FAILURE; \
}
//
// Templated test
//
template<typename TPixelType>
int vidl_itk_istreamTestWithPixelType(char* argv[], vidl_pixel_format expectedFormat)
{
// typedefs
typedef TPixelType PixelType;
typedef itk::Image<PixelType, 2> FrameType;
typedef itk::VideoStream<FrameType> VideoType;
typedef itk::vidl_itk_istream<VideoType> StreamType;
typedef itk::VideoFileReader<VideoType> ReaderType;
// Test the pixel format
if (!TestFormat<PixelType>(expectedFormat))
{
std::cerr << "format() did not return expected result for pixel type "
<< typeid(PixelType).name() << std::endl;
return EXIT_FAILURE;
}
// Set up VideoFileReader
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
// Set up new istream and connect it
StreamType* istream = new StreamType();
istream->open(reader->GetOutput());
// Check width and height
unsigned int width = istream->width();
unsigned int height = istream->height();
if (width != static_cast<unsigned int>(atoi(argv[3])) ||
height != static_cast<unsigned int>(atoi(argv[4])))
{
std::cerr << "(px: " << typeid(PixelType).name()
<< ") dimensions not reporting correctly. Got [" << width << "," << height
<< "] Expected [" << atoi(argv[3]) << "," << atoi(argv[4]) << "]" << std::endl;
delete istream;
return EXIT_FAILURE;
}
// Set up vidl_ffmpeg_ostream
vidl_ffmpeg_ostream_params parameters;
parameters.frame_rate_ = 24;
parameters.ni_ = istream->width();
parameters.nj_ = istream->height();
parameters.encoder_ = vidl_ffmpeg_ostream_params::MSMPEG4V2;
vidl_ffmpeg_ostream* ostream = new vidl_ffmpeg_ostream(argv[2], parameters);
// Read the entire video and write it back out
bool keepReading = true;
while(keepReading)
{
vidl_frame_sptr outFrame = istream->read_frame();
if (outFrame)
{
ostream->write_frame(outFrame);
}
else
{
keepReading = false;
}
}
// Return success
delete istream;
//delete ostream; //BUG? Can not close ostream
return EXIT_SUCCESS;
}
#define TemplatedTestMacro(PixelType, expectedFormat) \
if ( vidl_itk_istreamTestWithPixelType<PixelType>( argv, expectedFormat ) == EXIT_FAILURE ) \
{ \
return EXIT_FAILURE; \
}
//
// Main test body
//
int vidl_itk_istreamTest ( int argc, char *argv[] )
{
//
// Check parameters
//
if (argc < 5)
{
std::cerr << "Usage: " << argv[0] << " input_file output_file width height" << std::endl;
return EXIT_FAILURE;
}
// Register a VXLVideoIO. This should be fixed eventually
itk::ObjectFactoryBase::RegisterFactory( itk::VXLVideoIOFactory::New() );
//
// Test all supported pixel formats
//
// Scalar types
TemplatedTestMacro(bool, VIDL_PIXEL_FORMAT_MONO_1);
TemplatedTestMacro(char, VIDL_PIXEL_FORMAT_MONO_8);
TemplatedTestMacro(unsigned char, VIDL_PIXEL_FORMAT_MONO_8);
TemplatedTestMacro(short, VIDL_PIXEL_FORMAT_MONO_16);
TemplatedTestMacro(unsigned short, VIDL_PIXEL_FORMAT_MONO_16);
TemplatedTestMacro(float, VIDL_PIXEL_FORMAT_MONO_F32);
// RGB(A) types
TemplatedTestMacro(itk::RGBPixel<char>, VIDL_PIXEL_FORMAT_RGB_24);
TemplatedTestMacro(itk::RGBPixel<unsigned char>, VIDL_PIXEL_FORMAT_RGB_24);
TemplatedTestMacro(itk::RGBAPixel<char>, VIDL_PIXEL_FORMAT_RGBA_32);
TemplatedTestMacro(itk::RGBAPixel<unsigned char>, VIDL_PIXEL_FORMAT_RGBA_32);
TemplatedTestMacro(itk::RGBPixel<float>, VIDL_PIXEL_FORMAT_RGB_F32);
//
// Test format returned for unsupported types
//
TestFormatMacro(int, VIDL_PIXEL_FORMAT_UNKNOWN);
TestFormatMacro(unsigned int, VIDL_PIXEL_FORMAT_UNKNOWN);
TestFormatMacro(double, VIDL_PIXEL_FORMAT_UNKNOWN);
TestFormatMacro(itk::RGBPixel<int>, VIDL_PIXEL_FORMAT_UNKNOWN);
return EXIT_SUCCESS;
}
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