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| 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 "content/common/gpu/media/mac_video_decode_accelerator.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/files/file_path.h" | |
| 9 #include "base/location.h" | |
| 10 #import "base/mac/foundation_util.h" | |
| 11 #import "base/memory/ref_counted_memory.h" | |
| 12 #import "base/message_loop.h" | |
| 13 #include "base/native_library.h" | |
| 14 #include "ui/gfx/video_decode_acceleration_support_mac.h" | |
| 15 #include "ui/surface/io_surface_support_mac.h" | |
| 16 | |
| 17 namespace content { | |
| 18 | |
| 19 // Helper macros for dealing with failure. If |result| evaluates false, emit | |
| 20 // |log| to ERROR, register |error| with the decoder, and return |ret_val| | |
| 21 // (which may be omitted for functions that return void). | |
| 22 #define RETURN_ON_FAILURE(result, log, error, ret_val) \ | |
| 23 do { \ | |
| 24 if (!(result)) { \ | |
| 25 DLOG(ERROR) << log; \ | |
| 26 StopOnError(error); \ | |
| 27 return ret_val; \ | |
| 28 } \ | |
| 29 } while (0) | |
| 30 | |
| 31 namespace { | |
| 32 | |
| 33 enum { kNumPictureBuffers = 4 }; | |
| 34 | |
| 35 class ScopedContextSetter { | |
| 36 public: | |
| 37 ScopedContextSetter(CGLContextObj context) | |
| 38 : old_context_(NULL), | |
| 39 did_succeed_(false) { | |
| 40 old_context_ = CGLGetCurrentContext(); | |
| 41 did_succeed_ = CGLSetCurrentContext(context) == kCGLNoError; | |
| 42 } | |
| 43 | |
| 44 ~ScopedContextSetter() { | |
| 45 if (did_succeed_) | |
| 46 CGLSetCurrentContext(old_context_); | |
| 47 } | |
| 48 | |
| 49 bool did_succeed() const { | |
| 50 return did_succeed_; | |
| 51 } | |
| 52 | |
| 53 private: | |
| 54 CGLContextObj old_context_; | |
| 55 bool did_succeed_; | |
| 56 }; | |
| 57 | |
| 58 } // namespace | |
| 59 | |
| 60 static bool BindImageToTexture(CGLContextObj context, | |
| 61 CVImageBufferRef image, | |
| 62 uint32 texture_id) { | |
| 63 ScopedContextSetter scoped_context_setter(context); | |
| 64 if (!scoped_context_setter.did_succeed()) { | |
| 65 DVLOG(1) << "Unable to set OpenGL context."; | |
| 66 return false; | |
| 67 } | |
| 68 | |
| 69 IOSurfaceSupport* io_surface_support = IOSurfaceSupport::Initialize(); | |
| 70 DCHECK(io_surface_support); | |
| 71 | |
| 72 CFTypeRef io_surface = | |
| 73 io_surface_support->CVPixelBufferGetIOSurface(image); | |
| 74 if (!io_surface) { | |
| 75 DVLOG(1) << "Unable to get IOSurface for CVPixelBuffer."; | |
| 76 return false; | |
| 77 } | |
| 78 | |
| 79 glEnable(GL_TEXTURE_RECTANGLE_ARB); | |
| 80 glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture_id); | |
| 81 if (io_surface_support->CGLTexImageIOSurface2D( | |
| 82 context, | |
| 83 GL_TEXTURE_RECTANGLE_ARB, | |
| 84 GL_RGB, | |
| 85 io_surface_support->IOSurfaceGetWidth(io_surface), | |
| 86 io_surface_support->IOSurfaceGetHeight(io_surface), | |
| 87 GL_YCBCR_422_APPLE, | |
| 88 GL_UNSIGNED_SHORT_8_8_APPLE, | |
| 89 io_surface, | |
| 90 0) != kCGLNoError) { | |
| 91 DVLOG(1) << "Failed to bind image to texture."; | |
| 92 return false; | |
| 93 } | |
| 94 return glGetError() == GL_NO_ERROR; | |
| 95 } | |
| 96 | |
| 97 MacVideoDecodeAccelerator::MacVideoDecodeAccelerator( | |
| 98 CGLContextObj cgl_context, media::VideoDecodeAccelerator::Client* client) | |
| 99 : client_(client), | |
| 100 cgl_context_(cgl_context), | |
| 101 did_build_config_record_(false) { | |
| 102 } | |
| 103 | |
| 104 bool MacVideoDecodeAccelerator::Initialize(media::VideoCodecProfile profile) { | |
| 105 DCHECK(CalledOnValidThread()); | |
| 106 | |
| 107 // MacVDA still fails on too many videos to be useful, even to users who | |
| 108 // ignore the GPU blacklist. Fail unconditionally here until enough of | |
| 109 // crbug.com/133828's blockers are resolved. | |
| 110 if (true) | |
| 111 return false; | |
| 112 | |
| 113 if (profile < media::H264PROFILE_MIN || profile > media::H264PROFILE_MAX) | |
| 114 return false; | |
| 115 | |
| 116 IOSurfaceSupport* io_surface_support = IOSurfaceSupport::Initialize(); | |
| 117 if (!io_surface_support) | |
| 118 return false; | |
| 119 | |
| 120 base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind( | |
| 121 &MacVideoDecodeAccelerator::NotifyInitializeDone, base::AsWeakPtr(this))); | |
| 122 return true; | |
| 123 } | |
| 124 | |
| 125 void MacVideoDecodeAccelerator::Decode( | |
| 126 const media::BitstreamBuffer& bitstream_buffer) { | |
| 127 DCHECK(CalledOnValidThread()); | |
| 128 RETURN_ON_FAILURE(client_, | |
| 129 "Call to Decode() during invalid state.", ILLEGAL_STATE,); | |
| 130 | |
| 131 base::SharedMemory memory(bitstream_buffer.handle(), true); | |
| 132 RETURN_ON_FAILURE(memory.Map(bitstream_buffer.size()), | |
| 133 "Failed to SharedMemory::Map().", UNREADABLE_INPUT,); | |
| 134 | |
| 135 h264_parser_.SetStream(static_cast<const uint8_t*>(memory.memory()), | |
| 136 bitstream_buffer.size()); | |
| 137 while (true) { | |
| 138 H264NALU nalu; | |
| 139 H264Parser::Result result = h264_parser_.AdvanceToNextNALU(&nalu); | |
| 140 if (result == H264Parser::kEOStream) { | |
| 141 if (bitstream_nalu_count_.count(bitstream_buffer.id()) == 0) { | |
| 142 base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind( | |
| 143 &MacVideoDecodeAccelerator::NotifyInputBufferRead, | |
| 144 base::AsWeakPtr(this), bitstream_buffer.id())); | |
| 145 } | |
| 146 return; | |
| 147 } | |
| 148 RETURN_ON_FAILURE(result == H264Parser::kOk, | |
| 149 "Unable to parse bitstream.", UNREADABLE_INPUT,); | |
| 150 if (!did_build_config_record_) { | |
| 151 std::vector<uint8_t> config_record; | |
| 152 RETURN_ON_FAILURE(config_record_builder_.ProcessNALU(&h264_parser_, nalu, | |
| 153 &config_record), | |
| 154 "Unable to build AVC configuraiton record.", | |
| 155 UNREADABLE_INPUT,); | |
| 156 if (!config_record.empty()) { | |
| 157 did_build_config_record_ = true; | |
| 158 if (!CreateDecoder(config_record)) | |
| 159 return; | |
| 160 } | |
| 161 } | |
| 162 // If the decoder has been created and this is a slice type then pass it | |
| 163 // to the decoder. | |
| 164 if (vda_support_.get() && nalu.nal_unit_type >= 1 && | |
| 165 nalu.nal_unit_type <= 5) { | |
| 166 bitstream_nalu_count_[bitstream_buffer.id()]++; | |
| 167 DecodeNALU(nalu, bitstream_buffer.id()); | |
| 168 } | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 void MacVideoDecodeAccelerator::AssignPictureBuffers( | |
| 173 const std::vector<media::PictureBuffer>& buffers) { | |
| 174 DCHECK(CalledOnValidThread()); | |
| 175 RETURN_ON_FAILURE(client_, | |
| 176 "Call to AssignPictureBuffers() during invalid state.", | |
| 177 ILLEGAL_STATE,); | |
| 178 available_pictures_.insert( | |
| 179 available_pictures_.end(), buffers.begin(), buffers.end()); | |
| 180 SendImages(); | |
| 181 } | |
| 182 | |
| 183 void MacVideoDecodeAccelerator::ReusePictureBuffer(int32 picture_buffer_id) { | |
| 184 DCHECK(CalledOnValidThread()); | |
| 185 RETURN_ON_FAILURE(client_, | |
| 186 "Call to ReusePictureBuffe() during invalid state.", | |
| 187 ILLEGAL_STATE,); | |
| 188 | |
| 189 std::map<int32, UsedPictureInfo>::iterator it = | |
| 190 used_pictures_.find(picture_buffer_id); | |
| 191 RETURN_ON_FAILURE(it != used_pictures_.end(), | |
| 192 "Missing picture buffer id: " << picture_buffer_id, | |
| 193 INVALID_ARGUMENT,); | |
| 194 UsedPictureInfo info = it->second; | |
| 195 used_pictures_.erase(it); | |
| 196 available_pictures_.push_back(info.picture_buffer); | |
| 197 SendImages(); | |
| 198 } | |
| 199 | |
| 200 void MacVideoDecodeAccelerator::Flush() { | |
| 201 DCHECK(CalledOnValidThread()); | |
| 202 RETURN_ON_FAILURE(vda_support_, | |
| 203 "Call to Flush() during invalid state.", ILLEGAL_STATE,); | |
| 204 vda_support_->Flush(true); | |
| 205 base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind( | |
| 206 &MacVideoDecodeAccelerator::NotifyFlushDone, base::AsWeakPtr(this))); | |
| 207 } | |
| 208 | |
| 209 void MacVideoDecodeAccelerator::Reset() { | |
| 210 DCHECK(CalledOnValidThread()); | |
| 211 RETURN_ON_FAILURE(vda_support_, | |
| 212 "Call to Reset() during invalid state.", ILLEGAL_STATE,); | |
| 213 vda_support_->Flush(false); | |
| 214 base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind( | |
| 215 &MacVideoDecodeAccelerator::NotifyResetDone, base::AsWeakPtr(this))); | |
| 216 } | |
| 217 | |
| 218 void MacVideoDecodeAccelerator::Cleanup() { | |
| 219 DCHECK(CalledOnValidThread()); | |
| 220 if (vda_support_) { | |
| 221 vda_support_->Destroy(); | |
| 222 vda_support_ = NULL; | |
| 223 } | |
| 224 client_ = NULL; | |
| 225 decoded_images_.clear(); | |
| 226 } | |
| 227 | |
| 228 void MacVideoDecodeAccelerator::Destroy() { | |
| 229 DCHECK(CalledOnValidThread()); | |
| 230 Cleanup(); | |
| 231 delete this; | |
| 232 } | |
| 233 | |
| 234 MacVideoDecodeAccelerator::~MacVideoDecodeAccelerator() { | |
| 235 DCHECK(CalledOnValidThread()); | |
| 236 DCHECK(!vda_support_); | |
| 237 DCHECK(!client_); | |
| 238 DCHECK(decoded_images_.empty()); | |
| 239 } | |
| 240 | |
| 241 void MacVideoDecodeAccelerator::OnFrameReady( | |
| 242 int32 bitstream_buffer_id, | |
| 243 scoped_refptr<base::RefCountedBytes> bytes, | |
| 244 CVImageBufferRef image, | |
| 245 int status) { | |
| 246 DCHECK(CalledOnValidThread()); | |
| 247 RETURN_ON_FAILURE(status == noErr, | |
| 248 "Decoding image failed with error code: " << status, | |
| 249 PLATFORM_FAILURE,); | |
| 250 if (!client_) | |
| 251 return; | |
| 252 if (image) { | |
| 253 DecodedImageInfo info; | |
| 254 info.image.reset(image, base::scoped_policy::RETAIN); | |
| 255 info.bitstream_buffer_id = bitstream_buffer_id; | |
| 256 decoded_images_.push_back(info); | |
| 257 SendImages(); | |
| 258 } | |
| 259 std::map<int32, int>::iterator bitstream_count_it = | |
| 260 bitstream_nalu_count_.find(bitstream_buffer_id); | |
| 261 if (--bitstream_count_it->second == 0) { | |
| 262 bitstream_nalu_count_.erase(bitstream_count_it); | |
| 263 base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind( | |
| 264 &MacVideoDecodeAccelerator::NotifyInputBufferRead, | |
| 265 base::AsWeakPtr(this), bitstream_buffer_id)); | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 void MacVideoDecodeAccelerator::SendImages() { | |
| 270 if (!client_) { | |
| 271 DCHECK(decoded_images_.empty()); | |
| 272 return; | |
| 273 } | |
| 274 | |
| 275 while (available_pictures_.size() && decoded_images_.size()) { | |
| 276 DecodedImageInfo info = decoded_images_.front(); | |
| 277 decoded_images_.pop_front(); | |
| 278 media::PictureBuffer picture_buffer = available_pictures_.front(); | |
| 279 available_pictures_.pop_front(); | |
| 280 | |
| 281 RETURN_ON_FAILURE(BindImageToTexture( | |
| 282 cgl_context_, info.image, picture_buffer.texture_id()), | |
| 283 "Error binding image to texture.", PLATFORM_FAILURE,); | |
| 284 | |
| 285 used_pictures_.insert(std::make_pair( | |
| 286 picture_buffer.id(), UsedPictureInfo(picture_buffer, info.image))); | |
| 287 client_->PictureReady( | |
| 288 media::Picture(picture_buffer.id(), info.bitstream_buffer_id)); | |
| 289 } | |
| 290 } | |
| 291 | |
| 292 void MacVideoDecodeAccelerator::StopOnError( | |
| 293 media::VideoDecodeAccelerator::Error error) { | |
| 294 if (client_) | |
| 295 client_->NotifyError(error); | |
| 296 Cleanup(); | |
| 297 } | |
| 298 | |
| 299 bool MacVideoDecodeAccelerator::CreateDecoder( | |
| 300 const std::vector<uint8_t>& extra_data) { | |
| 301 DCHECK(client_); | |
| 302 DCHECK(!vda_support_.get()); | |
| 303 | |
| 304 vda_support_ = new gfx::VideoDecodeAccelerationSupport(); | |
| 305 gfx::VideoDecodeAccelerationSupport::Status status = vda_support_->Create( | |
| 306 config_record_builder_.coded_width(), | |
| 307 config_record_builder_.coded_height(), | |
| 308 kCVPixelFormatType_422YpCbCr8, | |
| 309 &extra_data[0], extra_data.size()); | |
| 310 RETURN_ON_FAILURE(status == gfx::VideoDecodeAccelerationSupport::SUCCESS, | |
| 311 "Creating video decoder failed with error: " << status, | |
| 312 PLATFORM_FAILURE, false); | |
| 313 | |
| 314 base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind( | |
| 315 &MacVideoDecodeAccelerator::RequestPictures, base::AsWeakPtr(this))); | |
| 316 return true; | |
| 317 } | |
| 318 | |
| 319 void MacVideoDecodeAccelerator::DecodeNALU(const H264NALU& nalu, | |
| 320 int32 bitstream_buffer_id) { | |
| 321 // Assume the NALU length field size is 4 bytes. | |
| 322 const int kNALULengthFieldSize = 4; | |
| 323 std::vector<uint8_t> data(kNALULengthFieldSize + nalu.size); | |
| 324 | |
| 325 // Store the buffer size at the beginning of the buffer as the decoder | |
| 326 // expects. | |
| 327 for (size_t i = 0; i < kNALULengthFieldSize; ++i) { | |
| 328 size_t shift = kNALULengthFieldSize * 8 - (i + 1) * 8; | |
| 329 data[i] = (nalu.size >> shift) & 0xff; | |
| 330 } | |
| 331 | |
| 332 // Copy the NALU data. | |
| 333 memcpy(&data[kNALULengthFieldSize], nalu.data, nalu.size); | |
| 334 | |
| 335 // Keep a ref counted copy of the buffer. | |
| 336 scoped_refptr<base::RefCountedBytes> bytes( | |
| 337 base::RefCountedBytes::TakeVector(&data)); | |
| 338 vda_support_->Decode(bytes->front(), bytes->size(), base::Bind( | |
| 339 &MacVideoDecodeAccelerator::OnFrameReady, | |
| 340 base::AsWeakPtr(this), bitstream_buffer_id, bytes)); | |
| 341 } | |
| 342 | |
| 343 void MacVideoDecodeAccelerator::NotifyInitializeDone() { | |
| 344 if (client_) | |
| 345 client_->NotifyInitializeDone(); | |
| 346 } | |
| 347 | |
| 348 void MacVideoDecodeAccelerator::RequestPictures() { | |
| 349 if (client_) { | |
| 350 client_->ProvidePictureBuffers( | |
| 351 kNumPictureBuffers, | |
| 352 gfx::Size(config_record_builder_.coded_width(), | |
| 353 config_record_builder_.coded_height()), | |
| 354 GL_TEXTURE_RECTANGLE_ARB); | |
| 355 } | |
| 356 } | |
| 357 | |
| 358 void MacVideoDecodeAccelerator::NotifyFlushDone() { | |
| 359 if (client_) | |
| 360 client_->NotifyFlushDone(); | |
| 361 } | |
| 362 | |
| 363 void MacVideoDecodeAccelerator::NotifyResetDone() { | |
| 364 decoded_images_.clear(); | |
| 365 if (client_) | |
| 366 client_->NotifyResetDone(); | |
| 367 } | |
| 368 | |
| 369 void MacVideoDecodeAccelerator::NotifyInputBufferRead(int input_buffer_id) { | |
| 370 if (client_) | |
| 371 client_->NotifyEndOfBitstreamBuffer(input_buffer_id); | |
| 372 } | |
| 373 | |
| 374 MacVideoDecodeAccelerator::UsedPictureInfo::UsedPictureInfo( | |
| 375 const media::PictureBuffer& pic, | |
| 376 const base::mac::ScopedCFTypeRef<CVImageBufferRef>& image) | |
| 377 : picture_buffer(pic), | |
| 378 image(image, base::scoped_policy::RETAIN) { | |
| 379 } | |
| 380 | |
| 381 MacVideoDecodeAccelerator::UsedPictureInfo::~UsedPictureInfo() { | |
| 382 } | |
| 383 | |
| 384 MacVideoDecodeAccelerator::DecodedImageInfo::DecodedImageInfo() { | |
| 385 } | |
| 386 | |
| 387 MacVideoDecodeAccelerator::DecodedImageInfo::~DecodedImageInfo() { | |
| 388 } | |
| 389 | |
| 390 } // namespace content | |
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Chromium Code Reviews
Issue 14401013:
Delete MacVDA from the codebase since it is dead code and not being worked on. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src