media/base/video_frame_unittest.cc

   1 // Copyright (c) 2012 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 "media/base/video_frame.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback_helpers.h"
   9 #include "base/format_macros.h"
  10 #include "base/memory/aligned_memory.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/strings/stringprintf.h"
  13 #include "gpu/command_buffer/common/mailbox_holder.h"
  14 #include "media/base/buffers.h"
  15 #include "media/base/yuv_convert.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17
  18 namespace media {
  19
  20 using base::MD5DigestToBase16;
  21
  22 // Helper function that initializes a YV12 frame with white and black scan
  23 // lines based on the |white_to_black| parameter.  If 0, then the entire
  24 // frame will be black, if 1 then the entire frame will be white.
  25 void InitializeYV12Frame(VideoFrame* frame, double white_to_black) {
  26   EXPECT_EQ(VideoFrame::YV12, frame->format());
  27   int first_black_row = static_cast<int>(frame->coded_size().height() *
  28                                          white_to_black);
  29   uint8* y_plane = frame->data(VideoFrame::kYPlane);
  30   for (int row = 0; row < frame->coded_size().height(); ++row) {
  31     int color = (row < first_black_row) ? 0xFF : 0x00;
  32     memset(y_plane, color, frame->stride(VideoFrame::kYPlane));
  33     y_plane += frame->stride(VideoFrame::kYPlane);
  34   }
  35   uint8* u_plane = frame->data(VideoFrame::kUPlane);
  36   uint8* v_plane = frame->data(VideoFrame::kVPlane);
  37   for (int row = 0; row < frame->coded_size().height(); row += 2) {
  38     memset(u_plane, 0x80, frame->stride(VideoFrame::kUPlane));
  39     memset(v_plane, 0x80, frame->stride(VideoFrame::kVPlane));
  40     u_plane += frame->stride(VideoFrame::kUPlane);
  41     v_plane += frame->stride(VideoFrame::kVPlane);
  42   }
  43 }
  44
  45 // Given a |yv12_frame| this method converts the YV12 frame to RGBA and
  46 // makes sure that all the pixels of the RBG frame equal |expect_rgb_color|.
  47 void ExpectFrameColor(media::VideoFrame* yv12_frame, uint32 expect_rgb_color) {
  48   ASSERT_EQ(VideoFrame::YV12, yv12_frame->format());
  49   ASSERT_EQ(yv12_frame->stride(VideoFrame::kUPlane),
  50             yv12_frame->stride(VideoFrame::kVPlane));
  51   ASSERT_EQ(
  52       yv12_frame->coded_size().width() & (VideoFrame::kFrameSizeAlignment - 1),
  53       0);
  54   ASSERT_EQ(
  55       yv12_frame->coded_size().height() & (VideoFrame::kFrameSizeAlignment - 1),
  56       0);
  57
  58   size_t bytes_per_row = yv12_frame->coded_size().width() * 4u;
  59   uint8* rgb_data = reinterpret_cast<uint8*>(
  60       base::AlignedAlloc(bytes_per_row * yv12_frame->coded_size().height() +
  61                              VideoFrame::kFrameSizePadding,
  62                          VideoFrame::kFrameAddressAlignment));
  63
  64   media::ConvertYUVToRGB32(yv12_frame->data(VideoFrame::kYPlane),
  65                            yv12_frame->data(VideoFrame::kUPlane),
  66                            yv12_frame->data(VideoFrame::kVPlane),
  67                            rgb_data,
  68                            yv12_frame->coded_size().width(),
  69                            yv12_frame->coded_size().height(),
  70                            yv12_frame->stride(VideoFrame::kYPlane),
  71                            yv12_frame->stride(VideoFrame::kUPlane),
  72                            bytes_per_row,
  73                            media::YV12);
  74
  75   for (int row = 0; row < yv12_frame->coded_size().height(); ++row) {
  76     uint32* rgb_row_data = reinterpret_cast<uint32*>(
  77         rgb_data + (bytes_per_row * row));
  78     for (int col = 0; col < yv12_frame->coded_size().width(); ++col) {
  79       SCOPED_TRACE(
  80           base::StringPrintf("Checking (%d, %d)", row, col));
  81       EXPECT_EQ(expect_rgb_color, rgb_row_data[col]);
  82     }
  83   }
  84
  85   base::AlignedFree(rgb_data);
  86 }
  87
  88 // Fill each plane to its reported extents and verify accessors report non
  89 // zero values.  Additionally, for the first plane verify the rows and
  90 // row_bytes values are correct.
  91 void ExpectFrameExtents(VideoFrame::Format format, const char* expected_hash) {
  92   const unsigned char kFillByte = 0x80;
  93   const int kWidth = 61;
  94   const int kHeight = 31;
  95   const base::TimeDelta kTimestamp = base::TimeDelta::FromMicroseconds(1337);
  96
  97   gfx::Size size(kWidth, kHeight);
  98   scoped_refptr<VideoFrame> frame = VideoFrame::CreateFrame(
  99       format, size, gfx::Rect(size), size, kTimestamp);
 100   ASSERT_TRUE(frame.get());
 101
 102   int planes = VideoFrame::NumPlanes(format);
 103   for (int plane = 0; plane < planes; plane++) {
 104     SCOPED_TRACE(base::StringPrintf("Checking plane %d", plane));
 105     EXPECT_TRUE(frame->data(plane));
 106     EXPECT_TRUE(frame->stride(plane));
 107     EXPECT_TRUE(frame->rows(plane));
 108     EXPECT_TRUE(frame->row_bytes(plane));
 109
 110     memset(frame->data(plane), kFillByte,
 111            frame->stride(plane) * frame->rows(plane));
 112   }
 113
 114   base::MD5Context context;
 115   base::MD5Init(&context);
 116   frame->HashFrameForTesting(&context);
 117   base::MD5Digest digest;
 118   base::MD5Final(&digest, &context);
 119   EXPECT_EQ(MD5DigestToBase16(digest), expected_hash);
 120 }
 121
 122 TEST(VideoFrame, CreateFrame) {
 123   const int kWidth = 64;
 124   const int kHeight = 48;
 125   const base::TimeDelta kTimestamp = base::TimeDelta::FromMicroseconds(1337);
 126
 127   // Create a YV12 Video Frame.
 128   gfx::Size size(kWidth, kHeight);
 129   scoped_refptr<media::VideoFrame> frame =
 130       VideoFrame::CreateFrame(media::VideoFrame::YV12, size, gfx::Rect(size),
 131                               size, kTimestamp);
 132   ASSERT_TRUE(frame.get());
 133
 134   // Test VideoFrame implementation.
 135   EXPECT_EQ(media::VideoFrame::YV12, frame->format());
 136   {
 137     SCOPED_TRACE("");
 138     InitializeYV12Frame(frame.get(), 0.0f);
 139     ExpectFrameColor(frame.get(), 0xFF000000);
 140   }
 141   base::MD5Digest digest;
 142   base::MD5Context context;
 143   base::MD5Init(&context);
 144   frame->HashFrameForTesting(&context);
 145   base::MD5Final(&digest, &context);
 146   EXPECT_EQ(MD5DigestToBase16(digest), "9065c841d9fca49186ef8b4ef547e79b");
 147   {
 148     SCOPED_TRACE("");
 149     InitializeYV12Frame(frame.get(), 1.0f);
 150     ExpectFrameColor(frame.get(), 0xFFFFFFFF);
 151   }
 152   base::MD5Init(&context);
 153   frame->HashFrameForTesting(&context);
 154   base::MD5Final(&digest, &context);
 155   EXPECT_EQ(MD5DigestToBase16(digest), "911991d51438ad2e1a40ed5f6fc7c796");
 156
 157   // Test an empty frame.
 158   frame = VideoFrame::CreateEOSFrame();
 159   EXPECT_TRUE(frame->end_of_stream());
 160 }
 161
 162 TEST(VideoFrame, CreateBlackFrame) {
 163   const int kWidth = 2;
 164   const int kHeight = 2;
 165   const uint8 kExpectedYRow[] = { 0, 0 };
 166   const uint8 kExpectedUVRow[] = { 128 };
 167
 168   scoped_refptr<media::VideoFrame> frame =
 169       VideoFrame::CreateBlackFrame(gfx::Size(kWidth, kHeight));
 170   ASSERT_TRUE(frame.get());
 171
 172   // Test basic properties.
 173   EXPECT_EQ(0, frame->timestamp().InMicroseconds());
 174   EXPECT_FALSE(frame->end_of_stream());
 175
 176   // Test |frame| properties.
 177   EXPECT_EQ(VideoFrame::YV12, frame->format());
 178   EXPECT_EQ(kWidth, frame->coded_size().width());
 179   EXPECT_EQ(kHeight, frame->coded_size().height());
 180
 181   // Test frames themselves.
 182   uint8* y_plane = frame->data(VideoFrame::kYPlane);
 183   for (int y = 0; y < frame->coded_size().height(); ++y) {
 184     EXPECT_EQ(0, memcmp(kExpectedYRow, y_plane, arraysize(kExpectedYRow)));
 185     y_plane += frame->stride(VideoFrame::kYPlane);
 186   }
 187
 188   uint8* u_plane = frame->data(VideoFrame::kUPlane);
 189   uint8* v_plane = frame->data(VideoFrame::kVPlane);
 190   for (int y = 0; y < frame->coded_size().height() / 2; ++y) {
 191     EXPECT_EQ(0, memcmp(kExpectedUVRow, u_plane, arraysize(kExpectedUVRow)));
 192     EXPECT_EQ(0, memcmp(kExpectedUVRow, v_plane, arraysize(kExpectedUVRow)));
 193     u_plane += frame->stride(VideoFrame::kUPlane);
 194     v_plane += frame->stride(VideoFrame::kVPlane);
 195   }
 196 }
 197
 198 static void FrameNoLongerNeededCallback(
 199     const scoped_refptr<media::VideoFrame>& frame,
 200     bool* triggered) {
 201   *triggered = true;
 202 }
 203
 204 TEST(VideoFrame, WrapVideoFrame) {
 205   const int kWidth = 4;
 206   const int kHeight = 4;
 207   scoped_refptr<media::VideoFrame> frame;
 208   bool no_longer_needed_triggered = false;
 209   {
 210     scoped_refptr<media::VideoFrame> wrapped_frame =
 211         VideoFrame::CreateBlackFrame(gfx::Size(kWidth, kHeight));
 212     ASSERT_TRUE(wrapped_frame.get());
 213
 214     gfx::Rect visible_rect(1, 1, 1, 1);
 215     gfx::Size natural_size = visible_rect.size();
 216     frame = media::VideoFrame::WrapVideoFrame(
 217         wrapped_frame, visible_rect, natural_size,
 218         base::Bind(&FrameNoLongerNeededCallback, wrapped_frame,
 219                    &no_longer_needed_triggered));
 220     EXPECT_EQ(wrapped_frame->coded_size(), frame->coded_size());
 221     EXPECT_EQ(wrapped_frame->data(media::VideoFrame::kYPlane),
 222               frame->data(media::VideoFrame::kYPlane));
 223     EXPECT_NE(wrapped_frame->visible_rect(), frame->visible_rect());
 224     EXPECT_EQ(visible_rect, frame->visible_rect());
 225     EXPECT_NE(wrapped_frame->natural_size(), frame->natural_size());
 226     EXPECT_EQ(natural_size, frame->natural_size());
 227   }
 228
 229   EXPECT_FALSE(no_longer_needed_triggered);
 230   frame = NULL;
 231   EXPECT_TRUE(no_longer_needed_triggered);
 232 }
 233
 234 // Ensure each frame is properly sized and allocated.  Will trigger OOB reads
 235 // and writes as well as incorrect frame hashes otherwise.
 236 TEST(VideoFrame, CheckFrameExtents) {
 237   // Each call consists of a VideoFrame::Format and the expected hash of all
 238   // planes if filled with kFillByte (defined in ExpectFrameExtents).
 239   ExpectFrameExtents(VideoFrame::YV12, "8e5d54cb23cd0edca111dd35ffb6ff05");
 240   ExpectFrameExtents(VideoFrame::YV16, "cce408a044b212db42a10dfec304b3ef");
 241 }
 242
 243 static void TextureCallback(std::vector<uint32>* called_sync_point,
 244                             const std::vector<uint32>& release_sync_points) {
 245   called_sync_point->assign(release_sync_points.begin(),
 246                             release_sync_points.end());
 247 }
 248
 249 // Verify the gpu::MailboxHolder::ReleaseCallback is called when VideoFrame is
 250 // destroyed with the default release sync points.
 251 TEST(VideoFrame, TextureNoLongerNeededCallbackIsCalled) {
 252   std::vector<uint32> called_sync_points;
 253   called_sync_points.push_back(1);
 254
 255   {
 256     scoped_refptr<VideoFrame> frame = VideoFrame::WrapNativeTexture(
 257         make_scoped_ptr(
 258             new gpu::MailboxHolder(gpu::Mailbox(), 5, 0 /* sync_point */)),
 259         base::Bind(&TextureCallback, &called_sync_points),
 260         gfx::Size(10, 10),            // coded_size
 261         gfx::Rect(10, 10),            // visible_rect
 262         gfx::Size(10, 10),            // natural_size
 263         base::TimeDelta(),            // timestamp
 264         VideoFrame::ReadPixelsCB());  // read_pixels_cb
 265
 266     EXPECT_EQ(1u, called_sync_points.size());
 267   }
 268   EXPECT_TRUE(called_sync_points.empty());
 269 }
 270
 271 // Verify the gpu::MailboxHolder::ReleaseCallback is called when VideoFrame is
 272 // destroyed with the release sync points, which was updated by clients.
 273 // (i.e. the compositor, webgl).
 274 TEST(VideoFrame, TextureNoLongerNeededCallbackAfterTakingAndReleasingMailbox) {
 275   std::vector<uint32> called_sync_points;
 276
 277   gpu::Mailbox mailbox;
 278   mailbox.name[0] = 50;
 279   uint32 sync_point = 7;
 280   uint32 target = 9;
 281   std::vector<uint32> release_sync_points;
 282   release_sync_points.push_back(1);
 283   release_sync_points.push_back(2);
 284   release_sync_points.push_back(3);
 285
 286   {
 287     scoped_refptr<VideoFrame> frame = VideoFrame::WrapNativeTexture(
 288         make_scoped_ptr(new gpu::MailboxHolder(mailbox, target, sync_point)),
 289         base::Bind(&TextureCallback, &called_sync_points),
 290         gfx::Size(10, 10),            // coded_size
 291         gfx::Rect(10, 10),            // visible_rect
 292         gfx::Size(10, 10),            // natural_size
 293         base::TimeDelta(),            // timestamp
 294         VideoFrame::ReadPixelsCB());  // read_pixels_cb
 295     EXPECT_TRUE(called_sync_points.empty());
 296
 297     const gpu::MailboxHolder* mailbox_holder = frame->mailbox_holder();
 298
 299     EXPECT_EQ(mailbox.name[0], mailbox_holder->mailbox.name[0]);
 300     EXPECT_EQ(target, mailbox_holder->texture_target);
 301     EXPECT_EQ(sync_point, mailbox_holder->sync_point);
 302
 303     frame->AppendReleaseSyncPoint(release_sync_points[0]);
 304     frame->AppendReleaseSyncPoint(release_sync_points[1]);
 305     frame->AppendReleaseSyncPoint(release_sync_points[2]);
 306     EXPECT_EQ(sync_point, mailbox_holder->sync_point);
 307   }
 308   EXPECT_EQ(release_sync_points, called_sync_points);
 309 }
 310
 311 }  // namespace media