1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include <stddef.h>
6 #include <stdint.h>
7 
8 #include <memory>
9 #include <string>
10 
11 #include "base/files/file_util.h"
12 #include "base/logging.h"
13 #include "base/memory/ptr_util.h"
14 #include "media/base/android/media_codec_bridge_impl.h"
15 #include "media/base/android/media_codec_util.h"
16 #include "media/base/decoder_buffer.h"
17 #include "media/base/media_util.h"
18 #include "media/base/test_data_util.h"
19 #include "media/base/video_frame.h"
20 #include "media/video/h264_parser.h"
21 #include "testing/gmock/include/gmock/gmock.h"
22 #include "third_party/libyuv/include/libyuv/convert_from.h"
23 
24 using testing::IsNull;
25 using testing::NotNull;
26 
27 namespace {
28 
29 // The first frame of
30 // http://www.html5rocks.com/en/tutorials/audio/quick/test.mp3
31 unsigned char test_mp3[] = {
32     0xff, 0xfb, 0xd2, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x69, 0x05, 0x00,
33     0x00, 0x00, 0x00, 0x00, 0x0d, 0x20, 0x00, 0x00, 0x00, 0x2a, 0x7e, 0x40,
34     0xc0, 0x19, 0x4a, 0x80, 0x0d, 0x60, 0x48, 0x1b, 0x40, 0xf7, 0xbd, 0xb9,
35     0xd9, 0x40, 0x6f, 0x82, 0x01, 0x8b, 0x17, 0xa0, 0x80, 0xc5, 0x01, 0xad,
36     0x9a, 0xd3, 0x00, 0x12, 0xc0, 0x72, 0x93, 0x67, 0xd0, 0x03, 0x6f, 0xa4,
37     0xc0, 0xc3, 0x23, 0xee, 0x9b, 0xc0, 0xcc, 0x02, 0xa0, 0xa1, 0x30, 0x0c,
38     0x52, 0x2d, 0xfd, 0x6e, 0x08, 0x83, 0x60, 0x40, 0x46, 0x06, 0x4b, 0x20,
39     0x82, 0x82, 0x7f, 0xd4, 0x81, 0xe7, 0x00, 0x64, 0x20, 0x18, 0xec, 0xc2,
40     0x06, 0x57, 0x0f, 0x81, 0x93, 0x0b, 0x00, 0x66, 0xe3, 0xb7, 0xe8, 0x32,
41     0x6e, 0xf0, 0x32, 0xb0, 0x58, 0x0c, 0x7c, 0x3a, 0x03, 0x22, 0x14, 0x80,
42     0xc9, 0x01, 0x80, 0x30, 0x20, 0x14, 0x0c, 0x96, 0x73, 0xfe, 0x9f, 0x6c,
43     0x0c, 0xd2, 0x25, 0x0f, 0xdc, 0x0c, 0x32, 0x43, 0x03, 0x27, 0x87, 0xc0,
44     0xc2, 0xc0, 0x20, 0xfc, 0x42, 0xc5, 0xff, 0xff, 0xd4, 0x80, 0x01, 0x01,
45     0x80, 0xc3, 0x81, 0x01, 0x95, 0x03, 0x28, 0x82, 0xc0, 0xc3, 0x01, 0xa1,
46     0x06, 0x81, 0x87, 0xc2, 0x40, 0x64, 0xc1, 0xf0, 0x12, 0x02, 0xff, 0xf6,
47     0x5b, 0x9f, 0x44, 0xdc, 0xdd, 0x0b, 0x38, 0x59, 0xe0, 0x31, 0x71, 0x60,
48     0x0c, 0xb4, 0x22, 0x03, 0x3b, 0x96, 0x40, 0xc8, 0x63, 0x90, 0x0a, 0x23,
49     0x81, 0x9e, 0x4c, 0x20, 0x65, 0xb3, 0x18, 0x19, 0x6c, 0x42, 0x06, 0x36,
50     0x1d, 0x01, 0x90, 0x87, 0xdf, 0xff, 0xd0, 0x65, 0xa6, 0xea, 0x66, 0xfd,
51     0x40, 0x0c, 0x48, 0x03, 0x1a, 0x09, 0x01, 0x21, 0x98, 0x19, 0x2c, 0x36,
52     0x06, 0x43, 0x21, 0x81, 0x92, 0xca, 0x60, 0x64, 0x70, 0xb8, 0x19, 0x20,
53     0x6c, 0x02, 0x83, 0x80, 0xcb, 0x60, 0x65, 0x32, 0x28, 0x18, 0x64, 0x24,
54     0x06, 0x3a, 0x0c, 0x00, 0xe1, 0x00, 0x18, 0xd0, 0x35, 0xff, 0xff, 0xff,
55     0xe8, 0x32, 0xef, 0xb2, 0x90, 0x65, 0xbb, 0xdd, 0x94, 0x82, 0x0b, 0x4c,
56     0xfa, 0x25, 0xf3, 0x74, 0x13, 0x0f, 0xf8, 0x19, 0x28, 0x84, 0x06, 0x36,
57     0x11, 0x01, 0x20, 0x80, 0x18, 0xb4, 0x52, 0x0e, 0x15, 0x00, 0x30, 0x50,
58     0x0c, 0x84, 0x32, 0x03, 0x11, 0x04, 0x03, 0x48, 0x04, 0x00, 0x00, 0x31,
59     0x21, 0x00, 0x0c, 0x84, 0x18, 0x03, 0x07, 0x85, 0x40, 0xc6, 0xa5, 0x70,
60     0x32, 0xb8, 0x7c, 0x0c, 0x54, 0x04, 0x00, 0xd0, 0x08, 0x59, 0x58, 0x18,
61     0x20, 0x14, 0x06, 0x30, 0x30, 0x01, 0x9b, 0x86, 0x00, 0x6b, 0x54, 0xa8,
62     0x19, 0x8c, 0x2a, 0x06, 0x16, 0x09, 0x01, 0xa0, 0xd0, 0xa0, 0x69, 0x74,
63     0xb8, 0x19, 0xc4, 0x4a, 0xa3, 0xda, 0x9d, 0x1e, 0x4f, 0x05, 0xc0, 0x5b,
64     0x0b, 0x03, 0xc2, 0x76, 0xa3, 0x4f, 0xb9, 0x16, 0xc2, 0x70, 0x41, 0x07,
65     0xa0, 0x84, 0x16, 0x38, 0x4a, 0xc8, 0xaf, 0xee, 0x7f, 0x93, 0xb5, 0x5c,
66     0x39, 0x1e, 0x29, 0xd9, 0x8c, 0x80, 0xb5, 0x80, 0xe6, 0x85, 0xb2, 0x99,
67     0x68, 0x85, 0x46, 0x91, 0x60, 0xdb, 0x06, 0xfa, 0x38, 0x7a, 0xc7, 0xac,
68     0x85, 0xa8, 0xd3, 0xe6, 0x99, 0x3b, 0x66, 0x43, 0x23, 0x1f, 0x84, 0xe1,
69     0x65, 0x5e, 0xbc, 0x84, 0x18, 0x62, 0xe6, 0x42, 0x0b, 0x82, 0xe4, 0xd3,
70     0x42, 0xd2, 0x05, 0x81, 0x4e, 0xe4, 0x9f, 0x8c, 0xc8, 0x7f, 0xa3, 0xe0,
71     0x8d, 0xf1, 0x0f, 0x38, 0xe5, 0x3f, 0xc4, 0x2c, 0x24, 0x65, 0x8d, 0xb9,
72     0x58, 0xac, 0x39, 0x0e, 0x37, 0x99, 0x2e, 0x85, 0xe0, 0xb7, 0x98, 0x41,
73     0x20, 0x38, 0x1b, 0x95, 0x07, 0xfa, 0xa8, 0x9c, 0x21, 0x0f, 0x13, 0x8c,
74     0xa5, 0xc1, 0x76, 0xae, 0x0b, 0xc1, 0x30, 0x27, 0x08, 0xc1, 0xf6, 0x4d,
75     0xce, 0xb4, 0x41, 0x38, 0x1e, 0x82, 0x10, 0x74, 0x45, 0x91, 0x90, 0xff,
76     0x41, 0x8b, 0x62, 0x1a, 0x71, 0xb6, 0x45, 0x63, 0x8c, 0xce, 0xb8, 0x54,
77     0x1b, 0xe8, 0x5d, 0x9e, 0x35, 0x9d, 0x6c, 0xac, 0xe8, 0x83, 0xa1, 0xe9,
78     0x3f, 0x13, 0x74, 0x11, 0x04, 0x10, 0xf1, 0x37, 0x38, 0xc6, 0x00, 0x60,
79     0x27, 0x48, 0x38, 0x85, 0x92, 0x76, 0xb7, 0xf3, 0xa7, 0x1c, 0x4b, 0xf9,
80     0x3b, 0x5a, 0x88, 0xac, 0x60, 0x1b, 0x85, 0x81, 0x16, 0xab, 0x44, 0x17,
81     0x08, 0x2e, 0x0f, 0xd4, 0xe2, 0xde, 0x49, 0xc9, 0xe1, 0xc0, 0xc0, 0xa0,
82     0x7e, 0x73, 0xa1, 0x67, 0xf8, 0xf5, 0x9f, 0xc4, 0x21, 0x50, 0x4f, 0x05,
83     0x2c, 0xfc, 0x5c, 0xaa, 0x85, 0xb0, 0xfa, 0x67, 0x80, 0x7e, 0x0f, 0xfd,
84     0x92, 0x30, 0xd5, 0xa0, 0xd4, 0x05, 0xdd, 0x06, 0x68, 0x1d, 0x6e, 0x4e,
85     0x8b, 0x79, 0xd6, 0xfc, 0xff, 0x2e, 0x6e, 0x7c, 0xba, 0x03, 0x90, 0xd4,
86     0x25, 0x65, 0x8e, 0xe7, 0x3a, 0xd1, 0xd6, 0xdc, 0xf0, 0xbe, 0x12, 0xc4,
87     0x31, 0x08, 0x16, 0x70, 0x31, 0x85, 0x61, 0x38, 0x27, 0x0a, 0x91, 0x5f,
88     0x03, 0x38, 0xeb, 0x37, 0x13, 0x48, 0x41, 0xbe, 0x7f, 0x04, 0x70, 0x62,
89     0x2b, 0x15, 0x91, 0x67, 0x63, 0x4f, 0xad, 0xa7, 0x1d, 0x3f, 0x44, 0x17,
90     0x02, 0x08, 0x0d, 0xf2, 0xfc, 0x03, 0xa0, 0x74, 0x21, 0x8b, 0x07, 0x3a,
91     0x8d, 0x0f, 0x54, 0x58, 0x94, 0x12, 0xc5, 0x62, 0x18, 0xb9, 0x42, 0xf0,
92     0x6c, 0x73, 0xa0, 0x92, 0xad, 0x27, 0x1c, 0x20, 0x0f, 0xc1, 0xca, 0x44,
93     0x87, 0x47, 0xc5, 0x43, 0x23, 0x01, 0xda, 0x23, 0xe2, 0x89, 0x38, 0x9f,
94     0x1f, 0x8d, 0x8c, 0xc6, 0x95, 0xa3, 0x34, 0x21, 0x21, 0x2d, 0x49, 0xea,
95     0x4b, 0x05, 0x85, 0xf5, 0x58, 0x25, 0x13, 0xcd, 0x51, 0x19, 0x1a, 0x88,
96     0xa6, 0x83, 0xd6, 0xd0, 0xbc, 0x25, 0x19, 0x1c, 0x92, 0x12, 0x44, 0x5d,
97     0x1c, 0x04, 0xf1, 0x99, 0xdf, 0x92, 0x8e, 0x09, 0x85, 0xf3, 0x88, 0x82,
98     0x4c, 0x22, 0x17, 0xc5, 0x25, 0x23, 0xed, 0x78, 0xf5, 0x41, 0xd1, 0xe9,
99     0x8a, 0xb3, 0x52, 0xd1, 0x3d, 0x79, 0x81, 0x4d, 0x31, 0x24, 0xf9, 0x38,
100     0x96, 0xbc, 0xf4, 0x8c, 0x25, 0xe9, 0xf2, 0x73, 0x94, 0x85, 0xc2, 0x61,
101     0x6a, 0x34, 0x68, 0x65, 0x78, 0x87, 0xa6, 0x4f};
102 static const size_t kDecodedAudioLengthInBytes = 9216u;
103 
104 }  // namespace
105 
106 namespace media {
107 
108 #define SKIP_TEST_IF_MEDIA_CODEC_IS_NOT_AVAILABLE()               \
109   do {                                                            \
110     if (!MediaCodecUtil::IsMediaCodecAvailable()) {               \
111       VLOG(0) << "Could not run test - not supported on device."; \
112       return;                                                     \
113     }                                                             \
114   } while (0)
115 
116 #define SKIP_TEST_IF_HW_H264_IS_NOT_AVAILABLE()                        \
117   do {                                                                 \
118     if (!MediaCodecUtil::IsH264EncoderAvailable()) {                   \
119       VLOG(0) << "Could not run test - h264 not supported on device."; \
120       return;                                                          \
121     }                                                                  \
122   } while (0)
123 
124 enum PixelFormat {
125   // Subset of MediaCodecInfo.CodecCapabilities.
126   COLOR_FORMAT_YUV420_PLANAR = 19,
127   COLOR_FORMAT_YUV420_SEMIPLANAR = 21,
128 };
129 
130 static const int kPresentationTimeBase = 100;
131 static const int kMaxInputPts = kPresentationTimeBase + 2;
132 
InfiniteTimeOut()133 static inline const base::TimeDelta InfiniteTimeOut() {
134   return base::TimeDelta::FromMicroseconds(-1);
135 }
136 
DecodeMediaFrame(MediaCodecBridge * media_codec,const uint8_t * data,size_t data_size,const base::TimeDelta input_presentation_timestamp,const base::TimeDelta initial_timestamp_lower_bound)137 void DecodeMediaFrame(MediaCodecBridge* media_codec,
138                       const uint8_t* data,
139                       size_t data_size,
140                       const base::TimeDelta input_presentation_timestamp,
141                       const base::TimeDelta initial_timestamp_lower_bound) {
142   base::TimeDelta input_pts = input_presentation_timestamp;
143   base::TimeDelta timestamp = initial_timestamp_lower_bound;
144   base::TimeDelta new_timestamp;
145   for (int i = 0; i < 10; ++i) {
146     int input_buf_index = -1;
147     MediaCodecStatus status =
148         media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
149     ASSERT_EQ(MEDIA_CODEC_OK, status);
150 
151     media_codec->QueueInputBuffer(input_buf_index, data, data_size,
152                                   input_presentation_timestamp);
153 
154     size_t unused_offset = 0;
155     size_t size = 0;
156     bool eos = false;
157     int output_buf_index = -1;
158     status = media_codec->DequeueOutputBuffer(
159         InfiniteTimeOut(), &output_buf_index, &unused_offset, &size,
160         &new_timestamp, &eos, nullptr);
161 
162     if (status == MEDIA_CODEC_OK && output_buf_index > 0) {
163       media_codec->ReleaseOutputBuffer(output_buf_index, false);
164     }
165     // Output time stamp should not be smaller than old timestamp.
166     ASSERT_TRUE(new_timestamp >= timestamp);
167     input_pts += base::TimeDelta::FromMicroseconds(33000);
168     timestamp = new_timestamp;
169   }
170 }
171 
172 // Performs basic, codec-specific sanity checks on the encoded H264 frame:
173 // - as to key frames, correct sequences of H.264 NALUs (SPS before PPS and
174 //   before slices).
175 // - as to non key frames, contain no SPS/PPS infront.
H264Validate(const uint8_t * frame,size_t size)176 void H264Validate(const uint8_t* frame, size_t size) {
177   H264Parser h264_parser;
178   h264_parser.SetStream(frame, static_cast<off_t>(size));
179   bool seen_sps = false;
180   bool seen_pps = false;
181 
182   while (1) {
183     H264NALU nalu;
184     H264Parser::Result result;
185 
186     result = h264_parser.AdvanceToNextNALU(&nalu);
187     if (result == H264Parser::kEOStream)
188       break;
189     ASSERT_THAT(result, H264Parser::kOk);
190 
191     switch (nalu.nal_unit_type) {
192       case H264NALU::kIDRSlice: {
193         ASSERT_TRUE(seen_sps);
194         ASSERT_TRUE(seen_pps);
195         break;
196       }
197 
198       case H264NALU::kNonIDRSlice: {
199         ASSERT_FALSE(seen_sps);
200         ASSERT_FALSE(seen_pps);
201         break;
202       }
203 
204       case H264NALU::kSPS: {
205         int sps_id;
206         ASSERT_EQ(H264Parser::kOk, h264_parser.ParseSPS(&sps_id));
207         seen_sps = true;
208         break;
209       }
210 
211       case H264NALU::kPPS: {
212         ASSERT_TRUE(seen_sps);
213         int pps_id;
214         ASSERT_EQ(H264Parser::kOk, h264_parser.ParsePPS(&pps_id));
215         seen_pps = true;
216         break;
217       }
218 
219       default:
220         break;
221     }
222   }
223 }
224 
EncodeMediaFrame(MediaCodecBridge * media_codec,const uint8_t * src_data,const size_t src_size,const int width,const int height,const base::TimeDelta input_timestamp)225 void EncodeMediaFrame(MediaCodecBridge* media_codec,
226                       const uint8_t* src_data,
227                       const size_t src_size,
228                       const int width,
229                       const int height,
230                       const base::TimeDelta input_timestamp) {
231   int input_buf_index = -1;
232   MediaCodecStatus status =
233       media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
234   ASSERT_EQ(MEDIA_CODEC_OK, status);
235 
236   uint8_t* buffer = nullptr;
237   size_t capacity = 0;
238   status = media_codec->GetInputBuffer(input_buf_index, &buffer, &capacity);
239   ASSERT_EQ(MEDIA_CODEC_OK, status);
240 
241   // Convert to NV12 because H264 encoder is created with color format
242   // COLOR_FormatYUV420SemiPlanar, both in main code path and unittest here.
243   bool converted =
244       !libyuv::I420ToNV12(src_data, width, src_data + width * height, width / 2,
245                           src_data + width * height * 5 / 4, width / 2, buffer,
246                           width, buffer + width * height, width, width, height);
247   ASSERT_TRUE(converted == true);
248 
249   status = media_codec->QueueInputBuffer(input_buf_index, nullptr, src_size,
250                                          input_timestamp);
251   ASSERT_EQ(MEDIA_CODEC_OK, status);
252 
253   int32_t buf_index = -1;
254   size_t offset = 0;
255   size_t output_size;
256   bool key_frame = false;
257 
258   do {
259     status = media_codec->DequeueOutputBuffer(InfiniteTimeOut(), &buf_index,
260                                               &offset, &output_size, nullptr,
261                                               nullptr, &key_frame);
262     EXPECT_NE(status, MEDIA_CODEC_ERROR);
263   } while (buf_index < 0);
264   ASSERT_TRUE(status == MEDIA_CODEC_OK && buf_index >= 0);
265 
266   std::unique_ptr<uint8_t[]> output_data =
267       std::make_unique<uint8_t[]>(output_size);
268   status = media_codec->CopyFromOutputBuffer(buf_index, offset,
269                                              output_data.get(), output_size);
270   ASSERT_EQ(MEDIA_CODEC_OK, status);
271 
272   H264Validate(output_data.get(), output_size);
273 
274   media_codec->ReleaseOutputBuffer(buf_index, false);
275 }
276 
NewAudioConfig(AudioCodec codec,std::vector<uint8_t> extra_data=std::vector<uint8_t> (),base::TimeDelta seek_preroll=base::TimeDelta (),int64_t codec_delay=0)277 AudioDecoderConfig NewAudioConfig(
278     AudioCodec codec,
279     std::vector<uint8_t> extra_data = std::vector<uint8_t>(),
280     base::TimeDelta seek_preroll = base::TimeDelta(),
281     int64_t codec_delay = 0) {
282   AudioDecoderConfig config;
283   config.Initialize(codec, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO, 44100,
284                     extra_data, EncryptionScheme::kUnencrypted, seek_preroll,
285                     codec_delay);
286   return config;
287 }
288 
TEST(MediaCodecBridgeTest,CreateH264Decoder)289 TEST(MediaCodecBridgeTest, CreateH264Decoder) {
290   SKIP_TEST_IF_MEDIA_CODEC_IS_NOT_AVAILABLE();
291 
292   VideoCodecConfig config;
293   config.codec = kCodecH264;
294   config.codec_type = CodecType::kAny;
295   config.initial_expected_coded_size = gfx::Size(640, 480);
296 
297   MediaCodecBridgeImpl::CreateVideoDecoder(config);
298 }
299 
TEST(MediaCodecBridgeTest,DoNormal)300 TEST(MediaCodecBridgeTest, DoNormal) {
301   SKIP_TEST_IF_MEDIA_CODEC_IS_NOT_AVAILABLE();
302 
303   std::unique_ptr<media::MediaCodecBridge> media_codec =
304       MediaCodecBridgeImpl::CreateAudioDecoder(NewAudioConfig(kCodecMP3),
305                                                nullptr);
306   ASSERT_THAT(media_codec, NotNull());
307 
308   int input_buf_index = -1;
309   MediaCodecStatus status =
310       media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
311   ASSERT_EQ(MEDIA_CODEC_OK, status);
312   ASSERT_GE(input_buf_index, 0);
313 
314   int64_t input_pts = kPresentationTimeBase;
315   media_codec->QueueInputBuffer(input_buf_index, test_mp3, sizeof(test_mp3),
316                                 base::TimeDelta::FromMicroseconds(++input_pts));
317 
318   status = media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
319   media_codec->QueueInputBuffer(input_buf_index, test_mp3, sizeof(test_mp3),
320                                 base::TimeDelta::FromMicroseconds(++input_pts));
321 
322   status = media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
323   media_codec->QueueEOS(input_buf_index);
324 
325   input_pts = kPresentationTimeBase;
326   bool eos = false;
327   size_t total_size = 0;
328   while (!eos) {
329     size_t unused_offset = 0;
330     size_t size = 0;
331     base::TimeDelta timestamp;
332     int output_buf_index = -1;
333     status = media_codec->DequeueOutputBuffer(InfiniteTimeOut(),
334                                               &output_buf_index, &unused_offset,
335                                               &size, &timestamp, &eos, nullptr);
336     switch (status) {
337       case MEDIA_CODEC_TRY_AGAIN_LATER:
338         FAIL();
339         return;
340 
341       case MEDIA_CODEC_OUTPUT_FORMAT_CHANGED:
342         continue;
343 
344       case MEDIA_CODEC_OUTPUT_BUFFERS_CHANGED:
345         continue;
346 
347       default:
348         break;
349     }
350     ASSERT_GE(output_buf_index, 0);
351     EXPECT_LE(1u, size);
352     total_size += size;
353   }
354   EXPECT_EQ(kDecodedAudioLengthInBytes, total_size);
355   ASSERT_LE(input_pts, kMaxInputPts);
356 }
357 
TEST(MediaCodecBridgeTest,InvalidVorbisHeader)358 TEST(MediaCodecBridgeTest, InvalidVorbisHeader) {
359   SKIP_TEST_IF_MEDIA_CODEC_IS_NOT_AVAILABLE();
360 
361   // The first byte of the header is not 0x02.
362   std::vector<uint8_t> invalid_first_byte = {{0x00, 0xff, 0xff, 0xff, 0xff}};
363   ASSERT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
364                   NewAudioConfig(kCodecVorbis, invalid_first_byte), nullptr),
365               IsNull());
366 
367   // Size of the header is too large.
368   size_t large_size = 8 * 1024 * 1024 + 2;
369   std::vector<uint8_t> large_header(large_size, 0xff);
370   large_header.front() = 0x02;
371   large_header.back() = 0xfe;
372   ASSERT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
373                   NewAudioConfig(kCodecVorbis, large_header), nullptr),
374               IsNull());
375 }
376 
TEST(MediaCodecBridgeTest,InvalidOpusHeader)377 TEST(MediaCodecBridgeTest, InvalidOpusHeader) {
378   SKIP_TEST_IF_MEDIA_CODEC_IS_NOT_AVAILABLE();
379 
380   std::vector<uint8_t> dummy_extra_data = {{0, 0}};
381 
382   // Codec Delay is < 0.
383   ASSERT_THAT(
384       MediaCodecBridgeImpl::CreateAudioDecoder(
385           NewAudioConfig(kCodecOpus, dummy_extra_data, base::TimeDelta(), -1),
386           nullptr),
387       IsNull());
388 
389   // Seek Preroll is < 0.
390   ASSERT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
391                   NewAudioConfig(kCodecOpus, dummy_extra_data,
392                                  base::TimeDelta::FromMicroseconds(-1)),
393                   nullptr),
394               IsNull());
395 }
396 
TEST(MediaCodecBridgeTest,PresentationTimestampsDoNotDecrease)397 TEST(MediaCodecBridgeTest, PresentationTimestampsDoNotDecrease) {
398   if (!MediaCodecUtil::IsVp8DecoderAvailable()) {
399     VLOG(0) << "Could not run test - VP8 not supported on device.";
400     return;
401   }
402 
403   VideoCodecConfig config;
404   config.codec = kCodecVP8;
405   config.codec_type = CodecType::kAny;
406   config.initial_expected_coded_size = gfx::Size(320, 240);
407 
408   auto media_codec = MediaCodecBridgeImpl::CreateVideoDecoder(config);
409   ASSERT_THAT(media_codec, NotNull());
410   scoped_refptr<DecoderBuffer> buffer = ReadTestDataFile("vp8-I-frame-320x240");
411   DecodeMediaFrame(media_codec.get(), buffer->data(), buffer->data_size(),
412                    base::TimeDelta(), base::TimeDelta());
413 
414   // Simulate a seek to 10 seconds, and each chunk has 2 I-frames.
415   std::vector<uint8_t> chunk(buffer->data(),
416                              buffer->data() + buffer->data_size());
417   chunk.insert(chunk.end(), buffer->data(),
418                buffer->data() + buffer->data_size());
419   media_codec->Flush();
420   DecodeMediaFrame(media_codec.get(), &chunk[0], chunk.size(),
421                    base::TimeDelta::FromMicroseconds(10000000),
422                    base::TimeDelta::FromMicroseconds(9900000));
423 
424   // Simulate a seek to 5 seconds.
425   media_codec->Flush();
426   DecodeMediaFrame(media_codec.get(), &chunk[0], chunk.size(),
427                    base::TimeDelta::FromMicroseconds(5000000),
428                    base::TimeDelta::FromMicroseconds(4900000));
429 }
430 
TEST(MediaCodecBridgeTest,CreateUnsupportedCodec)431 TEST(MediaCodecBridgeTest, CreateUnsupportedCodec) {
432   EXPECT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
433                   NewAudioConfig(kUnknownAudioCodec), nullptr),
434               IsNull());
435 
436   VideoCodecConfig config;
437   config.codec = kUnknownVideoCodec;
438   config.codec_type = CodecType::kAny;
439   config.initial_expected_coded_size = gfx::Size(320, 240);
440   EXPECT_THAT(MediaCodecBridgeImpl::CreateVideoDecoder(config), IsNull());
441 }
442 
443 // Test MediaCodec HW H264 encoding and validate the format of encoded frames.
TEST(MediaCodecBridgeTest,H264VideoEncodeAndValidate)444 TEST(MediaCodecBridgeTest, H264VideoEncodeAndValidate) {
445   SKIP_TEST_IF_HW_H264_IS_NOT_AVAILABLE();
446 
447   const int width = 640;
448   const int height = 360;
449   const int bit_rate = 300000;
450   const int frame_rate = 30;
451   const int i_frame_interval = 20;
452   const std::set<int> supported_color_formats =
453       MediaCodecUtil::GetEncoderColorFormats("video/avc");
454 
455   int color_format;
456   if (supported_color_formats.count(COLOR_FORMAT_YUV420_SEMIPLANAR) > 0) {
457     color_format = COLOR_FORMAT_YUV420_SEMIPLANAR;
458   } else if (supported_color_formats.count(COLOR_FORMAT_YUV420_PLANAR) > 0) {
459     color_format = COLOR_FORMAT_YUV420_PLANAR;
460   } else {
461     VLOG(0) << "Could not run test - YUV420_PLANAR and YUV420_SEMIPLANAR "
462                "unavailable for h264 encode.";
463     return;
464   }
465 
466   std::unique_ptr<MediaCodecBridge> media_codec(
467       MediaCodecBridgeImpl::CreateVideoEncoder(
468           kCodecH264, gfx::Size(width, height), bit_rate, frame_rate,
469           i_frame_interval, color_format));
470   ASSERT_THAT(media_codec, NotNull());
471 
472   const char kSrcFileName[] = "bali_640x360_P420.yuv";
473   base::FilePath src_file = GetTestDataFilePath(kSrcFileName);
474   int64_t src_file_size = 0;
475   ASSERT_TRUE(base::GetFileSize(src_file, &src_file_size));
476 
477   const VideoPixelFormat kInputFormat = PIXEL_FORMAT_I420;
478   const int frame_size = static_cast<int>(
479       VideoFrame::AllocationSize(kInputFormat, gfx::Size(width, height)));
480   ASSERT_TRUE(frame_size > 0);
481   ASSERT_TRUE(src_file_size % frame_size == 0U);
482 
483   const int num_frames = src_file_size / frame_size;
484   base::File src(src_file, base::File::FLAG_OPEN | base::File::FLAG_READ);
485   std::unique_ptr<uint8_t[]> frame_data =
486       std::make_unique<uint8_t[]>(frame_size);
487   ASSERT_THAT(
488       src.Read(0, reinterpret_cast<char*>(frame_data.get()), frame_size),
489       frame_size);
490 
491   // A monotonically-growing value.
492   base::TimeDelta input_timestamp;
493 
494   // Src_file contains 1 frames. Encode it 3 times.
495   for (int frame = 0; frame < num_frames && frame < 3; frame++) {
496     input_timestamp += base::TimeDelta::FromMicroseconds(
497         base::Time::kMicrosecondsPerSecond / frame_rate);
498     EncodeMediaFrame(media_codec.get(), frame_data.get(), frame_size, width,
499                      height, input_timestamp);
500   }
501 
502   // Reuest key frame and encode 3 more frames. The second key frame should
503   // also contain SPS/PPS NALUs.
504   media_codec->RequestKeyFrameSoon();
505   for (int frame = 0; frame < num_frames && frame < 3; frame++) {
506     input_timestamp += base::TimeDelta::FromMicroseconds(
507         base::Time::kMicrosecondsPerSecond / frame_rate);
508     EncodeMediaFrame(media_codec.get(), frame_data.get(), frame_size, width,
509                      height, input_timestamp);
510   }
511 }
512 
513 }  // namespace media
514