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 "common_video/h264/h264_bitstream_parser.h"
12
13 #include "test/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 uint8_t kH264BitstreamChunkCabac[] = {
31 0x00, 0x00, 0x00, 0x01, 0x27, 0x64, 0x00, 0x0d, 0xac, 0x52, 0x30, 0x50,
32 0x7e, 0xc0, 0x5a, 0x81, 0x01, 0x01, 0x18, 0x56, 0xbd, 0xef, 0x80, 0x80,
33 0x00, 0x00, 0x00, 0x01, 0x28, 0xfe, 0x09, 0x8b,
34 };
35
36 // Contains enough of the image slice to contain slice QP.
37 uint8_t kH264BitstreamNextImageSliceChunk[] = {
38 0x00, 0x00, 0x00, 0x01, 0x41, 0xe2, 0x01, 0x16, 0x0e, 0x3e, 0x2b, 0x86,
39 };
40
41 // Contains enough of the image slice to contain slice QP.
42 uint8_t kH264BitstreamNextImageSliceChunkCabac[] = {
43 0x00, 0x00, 0x00, 0x01, 0x21, 0xe1, 0x05, 0x11, 0x3f, 0x9a, 0xae, 0x46,
44 0x70, 0xbf, 0xc1, 0x4a, 0x16, 0x8f, 0x51, 0xf4, 0xca, 0xfb, 0xa3, 0x65,
45 };
46
TEST(H264BitstreamParserTest,ReportsNoQpWithoutParsedSlices)47 TEST(H264BitstreamParserTest, ReportsNoQpWithoutParsedSlices) {
48 H264BitstreamParser h264_parser;
49 int qp;
50 EXPECT_FALSE(h264_parser.GetLastSliceQp(&qp));
51 }
52
TEST(H264BitstreamParserTest,ReportsNoQpWithOnlyParsedPpsAndSpsSlices)53 TEST(H264BitstreamParserTest, ReportsNoQpWithOnlyParsedPpsAndSpsSlices) {
54 H264BitstreamParser h264_parser;
55 h264_parser.ParseBitstream(kH264SpsPps, sizeof(kH264SpsPps));
56 int qp;
57 EXPECT_FALSE(h264_parser.GetLastSliceQp(&qp));
58 }
59
TEST(H264BitstreamParserTest,ReportsLastSliceQpForImageSlices)60 TEST(H264BitstreamParserTest, ReportsLastSliceQpForImageSlices) {
61 H264BitstreamParser h264_parser;
62 h264_parser.ParseBitstream(kH264BitstreamChunk, sizeof(kH264BitstreamChunk));
63 int qp;
64 ASSERT_TRUE(h264_parser.GetLastSliceQp(&qp));
65 EXPECT_EQ(35, qp);
66
67 // Parse an additional image slice.
68 h264_parser.ParseBitstream(kH264BitstreamNextImageSliceChunk,
69 sizeof(kH264BitstreamNextImageSliceChunk));
70 ASSERT_TRUE(h264_parser.GetLastSliceQp(&qp));
71 EXPECT_EQ(37, qp);
72 }
73
TEST(H264BitstreamParserTest,ReportsLastSliceQpForCABACImageSlices)74 TEST(H264BitstreamParserTest, ReportsLastSliceQpForCABACImageSlices) {
75 H264BitstreamParser h264_parser;
76 h264_parser.ParseBitstream(kH264BitstreamChunkCabac,
77 sizeof(kH264BitstreamChunkCabac));
78 int qp;
79 EXPECT_FALSE(h264_parser.GetLastSliceQp(&qp));
80
81 // Parse an additional image slice.
82 h264_parser.ParseBitstream(kH264BitstreamNextImageSliceChunkCabac,
83 sizeof(kH264BitstreamNextImageSliceChunkCabac));
84 ASSERT_TRUE(h264_parser.GetLastSliceQp(&qp));
85 EXPECT_EQ(24, qp);
86 }
87
88 } // namespace webrtc
89