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Open Source Computer Vision Library
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88 lines
3.0 KiB
88 lines
3.0 KiB
7 years ago
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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#include "test_precomp.hpp"
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#include "opencv2/videoio/container_avi.private.hpp"
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#include <cstdio>
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using namespace cv;
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namespace opencv_test
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{
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TEST(videoio_avi, good_MJPG) {
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String filename = BunnyParameters::getFilename(".mjpg.avi");
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AVIReadContainer in;
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in.initStream(filename);
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frame_list frames;
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ASSERT_TRUE(in.parseRiff(frames));
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EXPECT_EQ(frames.size(), static_cast<unsigned>(BunnyParameters::getCount()));
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EXPECT_EQ(in.getWidth(), static_cast<unsigned>(BunnyParameters::getWidth()));
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EXPECT_EQ(in.getHeight(), static_cast<unsigned>(BunnyParameters::getHeight()));
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EXPECT_EQ(in.getFps(), static_cast<unsigned>(BunnyParameters::getFps()));
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}
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TEST(videoio_avi, bad_MJPG) {
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String filename = BunnyParameters::getFilename(".avi");
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AVIReadContainer in;
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in.initStream(filename);
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frame_list frames;
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EXPECT_FALSE(in.parseRiff(frames));
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EXPECT_EQ(frames.size(), static_cast<unsigned>(0));
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}
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TEST(videoio_avi, basic)
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{
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const String filename = cv::tempfile("test.avi");
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const double fps = 100;
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const Size sz(800, 600);
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const size_t count = 10;
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const uchar data[count] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA};
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const Codecs codec = MJPEG;
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{
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AVIWriteContainer out;
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ASSERT_TRUE(out.initContainer(filename, fps, sz, true));
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ASSERT_TRUE(out.isOpenedStream());
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EXPECT_EQ(out.getWidth(), sz.width);
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EXPECT_EQ(out.getHeight(), sz.height);
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EXPECT_EQ(out.getChannels(), 3);
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out.startWriteAVI(1);
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{
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out.writeStreamHeader(codec); // starts LIST chunk
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size_t chunkPointer = out.getStreamPos();
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int avi_index = out.getAVIIndex(0, dc);
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{
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out.startWriteChunk(avi_index);
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out.putStreamBytes(data, count);
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size_t tempChunkPointer = out.getStreamPos();
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size_t moviPointer = out.getMoviPointer();
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out.pushFrameOffset(chunkPointer - moviPointer);
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out.pushFrameSize(tempChunkPointer - chunkPointer - 8);
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out.endWriteChunk();
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}
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out.endWriteChunk(); // ends LIST chunk
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}
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out.writeIndex(0, dc);
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out.finishWriteAVI();
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}
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{
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AVIReadContainer in;
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in.initStream(filename);
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frame_list frames;
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ASSERT_TRUE(in.parseRiff(frames));
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EXPECT_EQ(in.getFps(), fps);
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EXPECT_EQ(in.getWidth(), static_cast<unsigned>(sz.width));
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EXPECT_EQ(in.getHeight(), static_cast<unsigned>(sz.height));
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ASSERT_EQ(frames.size(), static_cast<unsigned>(1));
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std::vector<char> actual = in.readFrame(frames.begin());
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ASSERT_EQ(actual.size(), count);
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for (size_t i = 0; i < count; ++i)
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EXPECT_EQ(actual.at(i), data[i]) << "at index " << i;
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}
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remove(filename.c_str());
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}
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}
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