112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2013 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <pangolin/video/drivers/test.h>
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#include <pangolin/factory/factory_registry.h>
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#include <pangolin/video/iostream_operators.h>
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namespace pangolin
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{
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void setRandomData(unsigned char * arr, size_t size){
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for(size_t i = 0 ; i < size;i++) {
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// arr[i] = (unsigned char)(i * 255.0 / size);
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arr[i] = (unsigned char)(rand()/(RAND_MAX/255.0));
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}
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}
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TestVideo::TestVideo(size_t w, size_t h, size_t n, std::string pix_fmt)
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{
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const PixelFormat pfmt = PixelFormatFromString(pix_fmt);
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size_bytes = 0;
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for(size_t c=0; c < n; ++c) {
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const StreamInfo stream_info(pfmt, w, h, (w*pfmt.bpp)/8, 0);
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streams.push_back(stream_info);
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size_bytes += w*h*(pfmt.bpp)/8;
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}
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}
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TestVideo::~TestVideo()
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{
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}
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//! Implement VideoInput::Start()
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void TestVideo::Start()
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{
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}
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//! Implement VideoInput::Stop()
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void TestVideo::Stop()
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{
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}
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//! Implement VideoInput::SizeBytes()
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size_t TestVideo::SizeBytes() const
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{
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return size_bytes;
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}
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//! Implement VideoInput::Streams()
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const std::vector<StreamInfo>& TestVideo::Streams() const
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{
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return streams;
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}
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//! Implement VideoInput::GrabNext()
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bool TestVideo::GrabNext( unsigned char* image, bool /*wait*/ )
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{
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setRandomData(image, size_bytes);
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return true;
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}
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//! Implement VideoInput::GrabNewest()
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bool TestVideo::GrabNewest( unsigned char* image, bool wait )
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{
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return GrabNext(image,wait);
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}
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PANGOLIN_REGISTER_FACTORY(TestVideo)
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{
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struct TestVideoFactory final : public FactoryInterface<VideoInterface> {
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std::unique_ptr<VideoInterface> Open(const Uri& uri) override {
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const ImageDim dim = uri.Get<ImageDim>("size", ImageDim(640,480));
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const int n = uri.Get<int>("n", 1);
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std::string fmt = uri.Get<std::string>("fmt","RGB24");
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return std::unique_ptr<VideoInterface>(new TestVideo(dim.x,dim.y,n,fmt));
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}
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};
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FactoryRegistry<VideoInterface>::I().RegisterFactory(std::make_shared<TestVideoFactory>(), 10, "test");
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}
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}
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