1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/file_util.h"
#include "media/base/container_names.h"
#include "media/base/test_data_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace container_names {
// Using a macros to simplify tests. Since EXPECT_EQ outputs the second argument
// as a string when it fails, this lets the output identify what item actually
// failed.
#define VERIFY(buffer, name) \
EXPECT_EQ(name, \
DetermineContainer(reinterpret_cast<const uint8*>(buffer), \
sizeof(buffer)))
// Test that small buffers are handled correctly.
TEST(ContainerNamesTest, CheckSmallBuffer) {
// Empty buffer.
char buffer[1]; // ([0] not allowed on win)
VERIFY(buffer, CONTAINER_UNKNOWN);
// Try a simple SRT file.
char buffer1[] =
"1\n"
"00:03:23,550 --> 00:03:24,375\n"
"You always had a hard time finding your place in this world.\n"
"\n"
"2\n"
"00:03:24,476 --> 00:03:25,175\n"
"What are you talking about?\n";
VERIFY(buffer1, CONTAINER_SRT);
// HLS has it's own loop.
char buffer2[] = "#EXTM3U"
"some other random stuff"
"#EXT-X-MEDIA-SEQUENCE:";
VERIFY(buffer2, CONTAINER_HLS);
// Try a large buffer all zeros.
char buffer3[4096];
memset(buffer3, 0, sizeof(buffer3));
VERIFY(buffer3, CONTAINER_UNKNOWN);
// Reuse buffer, but all \n this time.
memset(buffer3, '\n', sizeof(buffer3));
VERIFY(buffer3, CONTAINER_UNKNOWN);
}
#define BYTE_ORDER_MARK "\xef\xbb\xbf"
// Note that the comparisons need at least 12 bytes, so make sure the buffer is
// at least that size.
const char kAmrBuffer[12] = "#!AMR";
uint8 kAsfBuffer[] = { 0x30, 0x26, 0xb2, 0x75, 0x8e, 0x66, 0xcf, 0x11, 0xa6,
0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c };
const char kAss1Buffer[] = "[Script Info]";
const char kAss2Buffer[] = BYTE_ORDER_MARK "[Script Info]";
uint8 kCafBuffer[] = { 'c', 'a', 'f', 'f', 0, 1, 0, 0, 'd', 'e', 's', 'c', 0, 0,
0, 0, 0, 0, 0, 32, 64, 229, 136, 128, 0, 0, 0, 0, 'a',
'a', 'c', ' ', 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0,
0, 2, 0, 0, 0, 0 };
const char kDtshdBuffer[12] = "DTSHDHDR";
const char kDxaBuffer[16] = "DEXA";
const char kFlacBuffer[12] = "fLaC";
uint8 kFlvBuffer[12] = { 'F', 'L', 'V', 0, 0, 0, 0, 1, 0, 0, 0, 0 };
uint8 kIrcamBuffer[] = { 0x64, 0xa3, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1 };
const char kRm1Buffer[12] = ".RMF\0\0";
const char kRm2Buffer[12] = ".ra\xfd";
uint8 kWtvBuffer[] = { 0xb7, 0xd8, 0x00, 0x20, 0x37, 0x49, 0xda, 0x11, 0xa6,
0x4e, 0x00, 0x07, 0xe9, 0x5e, 0xad, 0x8d };
uint8 kBug263073Buffer[] = {
0x00, 0x00, 0x00, 0x18, 0x66, 0x74, 0x79, 0x70, 0x6d, 0x70, 0x34, 0x32,
0x00, 0x00, 0x00, 0x00, 0x69, 0x73, 0x6f, 0x6d, 0x6d, 0x70, 0x34, 0x32,
0x00, 0x00, 0x00, 0x01, 0x6d, 0x64, 0x61, 0x74, 0x00, 0x00, 0x00, 0x00,
0xaa, 0x2e, 0x22, 0xcf, 0x00, 0x00, 0x00, 0x37, 0x67, 0x64, 0x00, 0x28,
0xac, 0x2c, 0xa4, 0x01, 0xe0, 0x08, 0x9f, 0x97, 0x01, 0x52, 0x02, 0x02,
0x02, 0x80, 0x00, 0x01};
// Test that containers that start with fixed strings are handled correctly.
// This is to verify that the TAG matches the first 4 characters of the string.
TEST(ContainerNamesTest, CheckFixedStrings) {
VERIFY(kAmrBuffer, CONTAINER_AMR);
VERIFY(kAsfBuffer, CONTAINER_ASF);
VERIFY(kAss1Buffer, CONTAINER_ASS);
VERIFY(kAss2Buffer, CONTAINER_ASS);
VERIFY(kCafBuffer, CONTAINER_CAF);
VERIFY(kDtshdBuffer, CONTAINER_DTSHD);
VERIFY(kDxaBuffer, CONTAINER_DXA);
VERIFY(kFlacBuffer, CONTAINER_FLAC);
VERIFY(kFlvBuffer, CONTAINER_FLV);
VERIFY(kIrcamBuffer, CONTAINER_IRCAM);
VERIFY(kRm1Buffer, CONTAINER_RM);
VERIFY(kRm2Buffer, CONTAINER_RM);
VERIFY(kWtvBuffer, CONTAINER_WTV);
VERIFY(kBug263073Buffer, CONTAINER_MOV);
}
// Determine the container type of a specified file.
void TestFile(MediaContainerName expected, const base::FilePath& filename) {
char buffer[8192];
// Windows implementation of ReadFile fails if file smaller than desired size,
// so use file length if file less than 8192 bytes (http://crbug.com/243885).
int read_size = sizeof(buffer);
int64 actual_size;
if (base::GetFileSize(filename, &actual_size) && actual_size < read_size)
read_size = actual_size;
int read = base::ReadFile(filename, buffer, read_size);
// Now verify the type.
EXPECT_EQ(expected,
DetermineContainer(reinterpret_cast<const uint8*>(buffer), read))
<< "Failure with file " << filename.value();
}
TEST(ContainerNamesTest, FileCheckOGG) {
TestFile(CONTAINER_OGG, GetTestDataFilePath("bear.ogv"));
TestFile(CONTAINER_OGG, GetTestDataFilePath("9ch.ogg"));
}
TEST(ContainerNamesTest, FileCheckWAV) {
TestFile(CONTAINER_WAV, GetTestDataFilePath("4ch.wav"));
TestFile(CONTAINER_WAV, GetTestDataFilePath("sfx_f32le.wav"));
TestFile(CONTAINER_WAV, GetTestDataFilePath("sfx_s16le.wav"));
}
TEST(ContainerNamesTest, FileCheckMOV) {
TestFile(CONTAINER_MOV, GetTestDataFilePath("bear-1280x720.mp4"));
TestFile(CONTAINER_MOV, GetTestDataFilePath("sfx.m4a"));
}
TEST(ContainerNamesTest, FileCheckWEBM) {
TestFile(CONTAINER_WEBM, GetTestDataFilePath("bear-320x240.webm"));
TestFile(CONTAINER_WEBM, GetTestDataFilePath("no_streams.webm"));
TestFile(CONTAINER_WEBM, GetTestDataFilePath("webm_ebml_element"));
}
TEST(ContainerNamesTest, FileCheckMP3) {
TestFile(CONTAINER_MP3, GetTestDataFilePath("id3_test.mp3"));
TestFile(CONTAINER_MP3, GetTestDataFilePath("sfx.mp3"));
}
TEST(ContainerNamesTest, FileCheckAC3) {
TestFile(CONTAINER_AC3, GetTestDataFilePath("bear.ac3"));
}
TEST(ContainerNamesTest, FileCheckAAC) {
TestFile(CONTAINER_AAC, GetTestDataFilePath("bear.adts"));
}
TEST(ContainerNamesTest, FileCheckAIFF) {
TestFile(CONTAINER_AIFF, GetTestDataFilePath("bear.aiff"));
}
TEST(ContainerNamesTest, FileCheckASF) {
TestFile(CONTAINER_ASF, GetTestDataFilePath("bear.asf"));
}
TEST(ContainerNamesTest, FileCheckAVI) {
TestFile(CONTAINER_AVI, GetTestDataFilePath("bear.avi"));
}
TEST(ContainerNamesTest, FileCheckEAC3) {
TestFile(CONTAINER_EAC3, GetTestDataFilePath("bear.eac3"));
}
TEST(ContainerNamesTest, FileCheckFLAC) {
TestFile(CONTAINER_FLAC, GetTestDataFilePath("bear.flac"));
}
TEST(ContainerNamesTest, FileCheckFLV) {
TestFile(CONTAINER_FLV, GetTestDataFilePath("bear.flv"));
}
TEST(ContainerNamesTest, FileCheckH261) {
TestFile(CONTAINER_H261, GetTestDataFilePath("bear.h261"));
}
TEST(ContainerNamesTest, FileCheckH263) {
TestFile(CONTAINER_H263, GetTestDataFilePath("bear.h263"));
}
TEST(ContainerNamesTest, FileCheckMJPEG) {
TestFile(CONTAINER_MJPEG, GetTestDataFilePath("bear.mjpeg"));
}
TEST(ContainerNamesTest, FileCheckMPEG2PS) {
TestFile(CONTAINER_MPEG2PS, GetTestDataFilePath("bear.mpeg"));
}
TEST(ContainerNamesTest, FileCheckMPEG2TS) {
TestFile(CONTAINER_MPEG2TS, GetTestDataFilePath("bear.m2ts"));
}
TEST(ContainerNamesTest, FileCheckRM) {
TestFile(CONTAINER_RM, GetTestDataFilePath("bear.rm"));
}
TEST(ContainerNamesTest, FileCheckSWF) {
TestFile(CONTAINER_SWF, GetTestDataFilePath("bear.swf"));
}
// Try a few non containers.
TEST(ContainerNamesTest, FileCheckUNKNOWN) {
TestFile(CONTAINER_UNKNOWN, GetTestDataFilePath("ten_byte_file"));
TestFile(CONTAINER_UNKNOWN, GetTestDataFilePath("README"));
TestFile(CONTAINER_UNKNOWN, GetTestDataFilePath("bali_640x360_P422.yuv"));
TestFile(CONTAINER_UNKNOWN, GetTestDataFilePath("bali_640x360_RGB24.rgb"));
TestFile(CONTAINER_UNKNOWN, GetTestDataFilePath("webm_vp8_track_entry"));
}
} // namespace container_names
} // namespace media
|
