h265_vps_parser_unittest.cc (1530B)
1 /* 2 * Copyright (c) 2023 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "common_video/h265/h265_vps_parser.h" 12 13 #include <cstdint> 14 #include <optional> 15 16 #include "test/gtest.h" 17 18 namespace webrtc { 19 20 // Example VPS can be generated with ffmpeg. Here's an example set of commands, 21 // runnable on Linux: 22 // 1) Generate a video, from the camera: 23 // ffmpeg -i /dev/video0 -r 30 -c:v libx265 -s 1280x720 camera.h265 24 // 25 // 2) Open camera.h265 and find the VPS, generally everything between the first 26 // and second start codes (0 0 0 1 or 0 0 1). The first two bytes should be 0x40 27 // and 0x01, which should be stripped out before being passed to the parser. 28 29 class H265VpsParserTest : public ::testing::Test { 30 public: 31 H265VpsParserTest() {} 32 ~H265VpsParserTest() override {} 33 34 std::optional<H265VpsParser::VpsState> vps_; 35 }; 36 37 TEST_F(H265VpsParserTest, TestSampleVPSId) { 38 // VPS id 1 39 const uint8_t buffer[] = { 40 0x1c, 0x01, 0xff, 0xff, 0x04, 0x08, 0x00, 0x00, 0x03, 0x00, 0x9d, 41 0x08, 0x00, 0x00, 0x03, 0x00, 0x00, 0x78, 0x95, 0x98, 0x09, 42 }; 43 EXPECT_TRUE(static_cast<bool>(vps_ = H265VpsParser::ParseVps(buffer))); 44 EXPECT_EQ(1u, vps_->id); 45 } 46 47 } // namespace webrtc