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1 /* | |
2 * libjingle | |
3 * Copyright 2004 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright notice, | |
9 * this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | |
27 | |
28 #include "talk/media/base/testutils.h" | |
29 | |
30 #include <math.h> | |
31 #include <algorithm> | |
32 | |
33 #include "talk/media/base/executablehelpers.h" | |
34 #include "talk/media/base/rtpdump.h" | |
35 #include "talk/media/base/videocapturer.h" | |
36 #include "talk/media/base/videoframe.h" | |
37 #include "webrtc/base/bytebuffer.h" | |
38 #include "webrtc/base/fileutils.h" | |
39 #include "webrtc/base/gunit.h" | |
40 #include "webrtc/base/pathutils.h" | |
41 #include "webrtc/base/stream.h" | |
42 #include "webrtc/base/stringutils.h" | |
43 #include "webrtc/base/testutils.h" | |
44 | |
45 namespace cricket { | |
46 | |
47 ///////////////////////////////////////////////////////////////////////// | |
48 // Implementation of RawRtpPacket | |
49 ///////////////////////////////////////////////////////////////////////// | |
50 void RawRtpPacket::WriteToByteBuffer(uint32_t in_ssrc, | |
51 rtc::ByteBuffer* buf) const { | |
52 if (!buf) return; | |
53 | |
54 buf->WriteUInt8(ver_to_cc); | |
55 buf->WriteUInt8(m_to_pt); | |
56 buf->WriteUInt16(sequence_number); | |
57 buf->WriteUInt32(timestamp); | |
58 buf->WriteUInt32(in_ssrc); | |
59 buf->WriteBytes(payload, sizeof(payload)); | |
60 } | |
61 | |
62 bool RawRtpPacket::ReadFromByteBuffer(rtc::ByteBuffer* buf) { | |
63 if (!buf) return false; | |
64 | |
65 bool ret = true; | |
66 ret &= buf->ReadUInt8(&ver_to_cc); | |
67 ret &= buf->ReadUInt8(&m_to_pt); | |
68 ret &= buf->ReadUInt16(&sequence_number); | |
69 ret &= buf->ReadUInt32(×tamp); | |
70 ret &= buf->ReadUInt32(&ssrc); | |
71 ret &= buf->ReadBytes(payload, sizeof(payload)); | |
72 return ret; | |
73 } | |
74 | |
75 bool RawRtpPacket::SameExceptSeqNumTimestampSsrc(const RawRtpPacket& packet, | |
76 uint16_t seq, | |
77 uint32_t ts, | |
78 uint32_t ssc) const { | |
79 return sequence_number == seq && | |
80 timestamp == ts && | |
81 ver_to_cc == packet.ver_to_cc && | |
82 m_to_pt == packet.m_to_pt && | |
83 ssrc == ssc && | |
84 0 == memcmp(payload, packet.payload, sizeof(payload)); | |
85 } | |
86 | |
87 ///////////////////////////////////////////////////////////////////////// | |
88 // Implementation of RawRtcpPacket | |
89 ///////////////////////////////////////////////////////////////////////// | |
90 void RawRtcpPacket::WriteToByteBuffer(rtc::ByteBuffer *buf) const { | |
91 if (!buf) return; | |
92 | |
93 buf->WriteUInt8(ver_to_count); | |
94 buf->WriteUInt8(type); | |
95 buf->WriteUInt16(length); | |
96 buf->WriteBytes(payload, sizeof(payload)); | |
97 } | |
98 | |
99 bool RawRtcpPacket::ReadFromByteBuffer(rtc::ByteBuffer* buf) { | |
100 if (!buf) return false; | |
101 | |
102 bool ret = true; | |
103 ret &= buf->ReadUInt8(&ver_to_count); | |
104 ret &= buf->ReadUInt8(&type); | |
105 ret &= buf->ReadUInt16(&length); | |
106 ret &= buf->ReadBytes(payload, sizeof(payload)); | |
107 return ret; | |
108 } | |
109 | |
110 bool RawRtcpPacket::EqualsTo(const RawRtcpPacket& packet) const { | |
111 return ver_to_count == packet.ver_to_count && | |
112 type == packet.type && | |
113 length == packet.length && | |
114 0 == memcmp(payload, packet.payload, sizeof(payload)); | |
115 } | |
116 | |
117 ///////////////////////////////////////////////////////////////////////// | |
118 // Implementation of class RtpTestUtility | |
119 ///////////////////////////////////////////////////////////////////////// | |
120 const RawRtpPacket RtpTestUtility::kTestRawRtpPackets[] = { | |
121 {0x80, 0, 0, 0, RtpTestUtility::kDefaultSsrc, "RTP frame 0"}, | |
122 {0x80, 0, 1, 30, RtpTestUtility::kDefaultSsrc, "RTP frame 1"}, | |
123 {0x80, 0, 2, 30, RtpTestUtility::kDefaultSsrc, "RTP frame 1"}, | |
124 {0x80, 0, 3, 60, RtpTestUtility::kDefaultSsrc, "RTP frame 2"} | |
125 }; | |
126 const RawRtcpPacket RtpTestUtility::kTestRawRtcpPackets[] = { | |
127 // The Version is 2, the Length is 2, and the payload has 8 bytes. | |
128 {0x80, 0, 2, "RTCP0000"}, | |
129 {0x80, 0, 2, "RTCP0001"}, | |
130 {0x80, 0, 2, "RTCP0002"}, | |
131 {0x80, 0, 2, "RTCP0003"}, | |
132 }; | |
133 | |
134 size_t RtpTestUtility::GetTestPacketCount() { | |
135 return std::min(arraysize(kTestRawRtpPackets), | |
136 arraysize(kTestRawRtcpPackets)); | |
137 } | |
138 | |
139 bool RtpTestUtility::WriteTestPackets(size_t count, | |
140 bool rtcp, | |
141 uint32_t rtp_ssrc, | |
142 RtpDumpWriter* writer) { | |
143 if (!writer || count > GetTestPacketCount()) return false; | |
144 | |
145 bool result = true; | |
146 uint32_t elapsed_time_ms = 0; | |
147 for (size_t i = 0; i < count && result; ++i) { | |
148 rtc::ByteBuffer buf; | |
149 if (rtcp) { | |
150 kTestRawRtcpPackets[i].WriteToByteBuffer(&buf); | |
151 } else { | |
152 kTestRawRtpPackets[i].WriteToByteBuffer(rtp_ssrc, &buf); | |
153 } | |
154 | |
155 RtpDumpPacket dump_packet(buf.Data(), buf.Length(), elapsed_time_ms, rtcp); | |
156 elapsed_time_ms += kElapsedTimeInterval; | |
157 result &= (rtc::SR_SUCCESS == writer->WritePacket(dump_packet)); | |
158 } | |
159 return result; | |
160 } | |
161 | |
162 bool RtpTestUtility::VerifyTestPacketsFromStream(size_t count, | |
163 rtc::StreamInterface* stream, | |
164 uint32_t ssrc) { | |
165 if (!stream) return false; | |
166 | |
167 uint32_t prev_elapsed_time = 0; | |
168 bool result = true; | |
169 stream->Rewind(); | |
170 RtpDumpLoopReader reader(stream); | |
171 for (size_t i = 0; i < count && result; ++i) { | |
172 // Which loop and which index in the loop are we reading now. | |
173 size_t loop = i / GetTestPacketCount(); | |
174 size_t index = i % GetTestPacketCount(); | |
175 | |
176 RtpDumpPacket packet; | |
177 result &= (rtc::SR_SUCCESS == reader.ReadPacket(&packet)); | |
178 // Check the elapsed time of the dump packet. | |
179 result &= (packet.elapsed_time >= prev_elapsed_time); | |
180 prev_elapsed_time = packet.elapsed_time; | |
181 | |
182 // Check the RTP or RTCP packet. | |
183 rtc::ByteBuffer buf(reinterpret_cast<const char*>(&packet.data[0]), | |
184 packet.data.size()); | |
185 if (packet.is_rtcp()) { | |
186 // RTCP packet. | |
187 RawRtcpPacket rtcp_packet; | |
188 result &= rtcp_packet.ReadFromByteBuffer(&buf); | |
189 result &= rtcp_packet.EqualsTo(kTestRawRtcpPackets[index]); | |
190 } else { | |
191 // RTP packet. | |
192 RawRtpPacket rtp_packet; | |
193 result &= rtp_packet.ReadFromByteBuffer(&buf); | |
194 result &= rtp_packet.SameExceptSeqNumTimestampSsrc( | |
195 kTestRawRtpPackets[index], | |
196 static_cast<uint16_t>(kTestRawRtpPackets[index].sequence_number + | |
197 loop * GetTestPacketCount()), | |
198 static_cast<uint32_t>(kTestRawRtpPackets[index].timestamp + | |
199 loop * kRtpTimestampIncrease), | |
200 ssrc); | |
201 } | |
202 } | |
203 | |
204 stream->Rewind(); | |
205 return result; | |
206 } | |
207 | |
208 bool RtpTestUtility::VerifyPacket(const RtpDumpPacket* dump, | |
209 const RawRtpPacket* raw, | |
210 bool header_only) { | |
211 if (!dump || !raw) return false; | |
212 | |
213 rtc::ByteBuffer buf; | |
214 raw->WriteToByteBuffer(RtpTestUtility::kDefaultSsrc, &buf); | |
215 | |
216 if (header_only) { | |
217 size_t header_len = 0; | |
218 dump->GetRtpHeaderLen(&header_len); | |
219 return header_len == dump->data.size() && | |
220 buf.Length() > dump->data.size() && | |
221 0 == memcmp(buf.Data(), &dump->data[0], dump->data.size()); | |
222 } else { | |
223 return buf.Length() == dump->data.size() && | |
224 0 == memcmp(buf.Data(), &dump->data[0], dump->data.size()); | |
225 } | |
226 } | |
227 | |
228 // Implementation of VideoCaptureListener. | |
229 VideoCapturerListener::VideoCapturerListener(VideoCapturer* capturer) | |
230 : last_capture_state_(CS_STARTING), | |
231 frame_count_(0), | |
232 frame_fourcc_(0), | |
233 frame_width_(0), | |
234 frame_height_(0), | |
235 frame_size_(0), | |
236 resolution_changed_(false) { | |
237 capturer->SignalStateChange.connect(this, | |
238 &VideoCapturerListener::OnStateChange); | |
239 capturer->SignalFrameCaptured.connect(this, | |
240 &VideoCapturerListener::OnFrameCaptured); | |
241 } | |
242 | |
243 void VideoCapturerListener::OnStateChange(VideoCapturer* capturer, | |
244 CaptureState result) { | |
245 last_capture_state_ = result; | |
246 } | |
247 | |
248 void VideoCapturerListener::OnFrameCaptured(VideoCapturer* capturer, | |
249 const CapturedFrame* frame) { | |
250 ++frame_count_; | |
251 if (1 == frame_count_) { | |
252 frame_fourcc_ = frame->fourcc; | |
253 frame_width_ = frame->width; | |
254 frame_height_ = frame->height; | |
255 frame_size_ = frame->data_size; | |
256 } else if (frame_width_ != frame->width || frame_height_ != frame->height) { | |
257 resolution_changed_ = true; | |
258 } | |
259 } | |
260 | |
261 // Returns the absolute path to a file in the testdata/ directory. | |
262 std::string GetTestFilePath(const std::string& filename) { | |
263 // Locate test data directory. | |
264 #ifdef ENABLE_WEBRTC | |
265 rtc::Pathname path = rtc::GetExecutablePath(); | |
266 EXPECT_FALSE(path.empty()); | |
267 path.AppendPathname("../../talk/"); | |
268 #else | |
269 rtc::Pathname path = testing::GetTalkDirectory(); | |
270 EXPECT_FALSE(path.empty()); // must be run from inside "talk" | |
271 #endif | |
272 path.AppendFolder("media/testdata/"); | |
273 path.SetFilename(filename); | |
274 return path.pathname(); | |
275 } | |
276 | |
277 // Loads the image with the specified prefix and size into |out|. | |
278 bool LoadPlanarYuvTestImage(const std::string& prefix, | |
279 int width, | |
280 int height, | |
281 uint8_t* out) { | |
282 std::stringstream ss; | |
283 ss << prefix << "." << width << "x" << height << "_P420.yuv"; | |
284 | |
285 rtc::scoped_ptr<rtc::FileStream> stream( | |
286 rtc::Filesystem::OpenFile(rtc::Pathname( | |
287 GetTestFilePath(ss.str())), "rb")); | |
288 if (!stream) { | |
289 return false; | |
290 } | |
291 | |
292 rtc::StreamResult res = | |
293 stream->ReadAll(out, I420_SIZE(width, height), NULL, NULL); | |
294 return (res == rtc::SR_SUCCESS); | |
295 } | |
296 | |
297 // Dumps the YUV image out to a file, for visual inspection. | |
298 // PYUV tool can be used to view dump files. | |
299 void DumpPlanarYuvTestImage(const std::string& prefix, | |
300 const uint8_t* img, | |
301 int w, | |
302 int h) { | |
303 rtc::FileStream fs; | |
304 char filename[256]; | |
305 rtc::sprintfn(filename, sizeof(filename), "%s.%dx%d_P420.yuv", | |
306 prefix.c_str(), w, h); | |
307 fs.Open(filename, "wb", NULL); | |
308 fs.Write(img, I420_SIZE(w, h), NULL, NULL); | |
309 } | |
310 | |
311 // Dumps the ARGB image out to a file, for visual inspection. | |
312 // ffplay tool can be used to view dump files. | |
313 void DumpPlanarArgbTestImage(const std::string& prefix, | |
314 const uint8_t* img, | |
315 int w, | |
316 int h) { | |
317 rtc::FileStream fs; | |
318 char filename[256]; | |
319 rtc::sprintfn(filename, sizeof(filename), "%s.%dx%d_ARGB.raw", | |
320 prefix.c_str(), w, h); | |
321 fs.Open(filename, "wb", NULL); | |
322 fs.Write(img, ARGB_SIZE(w, h), NULL, NULL); | |
323 } | |
324 | |
325 bool VideoFrameEqual(const VideoFrame* frame0, const VideoFrame* frame1) { | |
326 const uint8_t* y0 = frame0->GetYPlane(); | |
327 const uint8_t* u0 = frame0->GetUPlane(); | |
328 const uint8_t* v0 = frame0->GetVPlane(); | |
329 const uint8_t* y1 = frame1->GetYPlane(); | |
330 const uint8_t* u1 = frame1->GetUPlane(); | |
331 const uint8_t* v1 = frame1->GetVPlane(); | |
332 | |
333 for (size_t i = 0; i < frame0->GetHeight(); ++i) { | |
334 if (0 != memcmp(y0, y1, frame0->GetWidth())) { | |
335 return false; | |
336 } | |
337 y0 += frame0->GetYPitch(); | |
338 y1 += frame1->GetYPitch(); | |
339 } | |
340 | |
341 for (size_t i = 0; i < frame0->GetChromaHeight(); ++i) { | |
342 if (0 != memcmp(u0, u1, frame0->GetChromaWidth())) { | |
343 return false; | |
344 } | |
345 if (0 != memcmp(v0, v1, frame0->GetChromaWidth())) { | |
346 return false; | |
347 } | |
348 u0 += frame0->GetUPitch(); | |
349 v0 += frame0->GetVPitch(); | |
350 u1 += frame1->GetUPitch(); | |
351 v1 += frame1->GetVPitch(); | |
352 } | |
353 | |
354 return true; | |
355 } | |
356 | |
357 cricket::StreamParams CreateSimStreamParams( | |
358 const std::string& cname, | |
359 const std::vector<uint32_t>& ssrcs) { | |
360 cricket::StreamParams sp; | |
361 cricket::SsrcGroup sg(cricket::kSimSsrcGroupSemantics, ssrcs); | |
362 sp.ssrcs = ssrcs; | |
363 sp.ssrc_groups.push_back(sg); | |
364 sp.cname = cname; | |
365 return sp; | |
366 } | |
367 | |
368 // There should be an rtx_ssrc per ssrc. | |
369 cricket::StreamParams CreateSimWithRtxStreamParams( | |
370 const std::string& cname, | |
371 const std::vector<uint32_t>& ssrcs, | |
372 const std::vector<uint32_t>& rtx_ssrcs) { | |
373 cricket::StreamParams sp = CreateSimStreamParams(cname, ssrcs); | |
374 for (size_t i = 0; i < ssrcs.size(); ++i) { | |
375 sp.ssrcs.push_back(rtx_ssrcs[i]); | |
376 std::vector<uint32_t> fid_ssrcs; | |
377 fid_ssrcs.push_back(ssrcs[i]); | |
378 fid_ssrcs.push_back(rtx_ssrcs[i]); | |
379 cricket::SsrcGroup fid_group(cricket::kFidSsrcGroupSemantics, fid_ssrcs); | |
380 sp.ssrc_groups.push_back(fid_group); | |
381 } | |
382 return sp; | |
383 } | |
384 | |
385 } // namespace cricket | |
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