Éanna Ó Catháin | 919c14e | 2020-09-14 17:36:49 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2020 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #define CATCH_CONFIG_MAIN |
| 7 | |
| 8 | #include <catch.hpp> |
| 9 | #include <opencv2/opencv.hpp> |
| 10 | |
| 11 | #include "IFrameReader.hpp" |
| 12 | #include "CvVideoFrameReader.hpp" |
| 13 | |
| 14 | SCENARIO("Read frames from video file using CV frame reader", "[framereader]") { |
| 15 | |
| 16 | GIVEN("a valid video file") { |
| 17 | |
| 18 | std::string testResources = TEST_RESOURCE_DIR; |
| 19 | REQUIRE(testResources != ""); |
| 20 | std::string file = testResources + "/" + "Megamind.avi"; |
| 21 | WHEN("Frame reader is initialised") { |
| 22 | |
Éanna Ó Catháin | c6ab02a | 2021-04-07 14:35:25 +0100 | [diff] [blame] | 23 | common::CvVideoFrameReader reader; |
Éanna Ó Catháin | 919c14e | 2020-09-14 17:36:49 +0100 | [diff] [blame] | 24 | THEN("no exception is thrown") { |
| 25 | reader.Init(file); |
| 26 | |
| 27 | AND_WHEN("when source parameters are read") { |
| 28 | |
| 29 | auto fps = reader.GetSourceFps(); |
| 30 | auto height = reader.GetSourceHeight(); |
| 31 | auto width = reader.GetSourceWidth(); |
| 32 | auto encoding = reader.GetSourceEncoding(); |
| 33 | auto framesCount = reader.GetFrameCount(); |
| 34 | |
| 35 | THEN("they are aligned with video file") { |
| 36 | |
| 37 | REQUIRE(height == 528); |
| 38 | REQUIRE(width == 720); |
| 39 | REQUIRE(encoding == "XVID"); |
| 40 | REQUIRE(fps == 23.976); |
| 41 | REQUIRE(framesCount == 270); |
| 42 | } |
| 43 | |
| 44 | } |
| 45 | |
| 46 | AND_WHEN("frame is read") { |
| 47 | auto framePtr = reader.ReadFrame(); |
| 48 | |
| 49 | THEN("it is not a NULL pointer") { |
| 50 | REQUIRE(framePtr != nullptr); |
| 51 | } |
| 52 | |
| 53 | AND_THEN("it is not empty") { |
| 54 | REQUIRE(!framePtr->empty()); |
| 55 | REQUIRE(!reader.IsExhausted(framePtr)); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | AND_WHEN("all frames were read from the file") { |
| 60 | |
| 61 | for (int i = 0; i < 270; i++) { |
| 62 | auto framePtr = reader.ReadFrame(); |
| 63 | } |
| 64 | |
| 65 | THEN("last + 1 frame is empty") { |
| 66 | auto framePtr = reader.ReadFrame(); |
| 67 | |
| 68 | REQUIRE(framePtr->empty()); |
| 69 | REQUIRE(reader.IsExhausted(framePtr)); |
| 70 | } |
| 71 | |
| 72 | } |
| 73 | |
| 74 | AND_WHEN("frames are read from the file, pointers point to the different objects") { |
| 75 | |
| 76 | auto framePtr = reader.ReadFrame(); |
| 77 | |
| 78 | cv::Mat *frame = framePtr.get(); |
| 79 | |
| 80 | for (int i = 0; i < 30; i++) { |
| 81 | REQUIRE(frame != reader.ReadFrame().get()); |
| 82 | } |
| 83 | |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | GIVEN("an invalid video file") { |
| 90 | |
| 91 | std::string file = "nosuchfile.avi"; |
| 92 | |
| 93 | WHEN("Frame reader is initialised") { |
| 94 | |
Éanna Ó Catháin | c6ab02a | 2021-04-07 14:35:25 +0100 | [diff] [blame] | 95 | common::CvVideoFrameReader reader; |
Éanna Ó Catháin | 919c14e | 2020-09-14 17:36:49 +0100 | [diff] [blame] | 96 | |
| 97 | THEN("exception is thrown") { |
| 98 | REQUIRE_THROWS(reader.Init(file)); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | } |
| 103 | } |