1 /*
2 * Copyright (c) 2015 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 "webrtc/modules/rtp_rtcp/source/h264_bitstream_parser.h"
12
13 #include "testing/gtest/include/gtest/gtest.h"
14
15 namespace webrtc {
16
17 // SPS/PPS part of below chunk.
18 uint8_t kH264SpsPps[] = {0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x80, 0x20, 0xda,
19 0x01, 0x40, 0x16, 0xe8, 0x06, 0xd0, 0xa1, 0x35, 0x00,
20 0x00, 0x00, 0x01, 0x68, 0xce, 0x06, 0xe2};
21
22 // Contains enough of the image slice to contain slice QP.
23 uint8_t kH264BitstreamChunk[] = {
24 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x80, 0x20, 0xda, 0x01, 0x40, 0x16,
25 0xe8, 0x06, 0xd0, 0xa1, 0x35, 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x06,
26 0xe2, 0x00, 0x00, 0x00, 0x01, 0x65, 0xb8, 0x40, 0xf0, 0x8c, 0x03, 0xf2,
27 0x75, 0x67, 0xad, 0x41, 0x64, 0x24, 0x0e, 0xa0, 0xb2, 0x12, 0x1e, 0xf8,
28 };
29
30 // Contains enough of the image slice to contain slice QP.
31 uint8_t kH264BitstreamNextImageSliceChunk[] = {
32 0x00, 0x00, 0x00, 0x01, 0x41, 0xe2, 0x01, 0x16, 0x0e, 0x3e, 0x2b, 0x86,
33 };
34
TEST(H264BitstreamParserTest,ReportsNoQpWithoutParsedSlices)35 TEST(H264BitstreamParserTest, ReportsNoQpWithoutParsedSlices) {
36 H264BitstreamParser h264_parser;
37 int qp;
38 EXPECT_FALSE(h264_parser.GetLastSliceQp(&qp));
39 }
40
TEST(H264BitstreamParserTest,ReportsNoQpWithOnlyParsedPpsAndSpsSlices)41 TEST(H264BitstreamParserTest, ReportsNoQpWithOnlyParsedPpsAndSpsSlices) {
42 H264BitstreamParser h264_parser;
43 h264_parser.ParseBitstream(kH264SpsPps, sizeof(kH264SpsPps));
44 int qp;
45 EXPECT_FALSE(h264_parser.GetLastSliceQp(&qp));
46 }
47
TEST(H264BitstreamParserTest,ReportsLastSliceQpForImageSlices)48 TEST(H264BitstreamParserTest, ReportsLastSliceQpForImageSlices) {
49 H264BitstreamParser h264_parser;
50 h264_parser.ParseBitstream(kH264BitstreamChunk, sizeof(kH264BitstreamChunk));
51 int qp;
52 ASSERT_TRUE(h264_parser.GetLastSliceQp(&qp));
53 EXPECT_EQ(35, qp);
54
55 // Parse an additional image slice.
56 h264_parser.ParseBitstream(kH264BitstreamNextImageSliceChunk,
57 sizeof(kH264BitstreamNextImageSliceChunk));
58 ASSERT_TRUE(h264_parser.GetLastSliceQp(&qp));
59 EXPECT_EQ(37, qp);
60 }
61
62 } // namespace webrtc
63