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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <algorithm> | 5 #include <algorithm> |
6 | 6 |
7 #include <CoreVideo/CoreVideo.h> | 7 #include <CoreVideo/CoreVideo.h> |
8 #include <OpenGL/CGLIOSurface.h> | 8 #include <OpenGL/CGLIOSurface.h> |
9 #include <OpenGL/gl.h> | 9 #include <OpenGL/gl.h> |
10 | 10 |
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26 using content_common_gpu_media::StubPathMap; | 26 using content_common_gpu_media::StubPathMap; |
27 | 27 |
28 #define NOTIFY_STATUS(name, status, session_failure) \ | 28 #define NOTIFY_STATUS(name, status, session_failure) \ |
29 do { \ | 29 do { \ |
30 OSSTATUS_DLOG(ERROR, status) << name; \ | 30 OSSTATUS_DLOG(ERROR, status) << name; \ |
31 NotifyError(PLATFORM_FAILURE, session_failure); \ | 31 NotifyError(PLATFORM_FAILURE, session_failure); \ |
32 } while (0) | 32 } while (0) |
33 | 33 |
34 namespace content { | 34 namespace content { |
35 | 35 |
| 36 // Only H.264 with 4:2:0 chroma sampling is supported. |
| 37 static const media::VideoCodecProfile kSupportedProfiles[] = { |
| 38 media::H264PROFILE_BASELINE, |
| 39 media::H264PROFILE_MAIN, |
| 40 media::H264PROFILE_EXTENDED, |
| 41 media::H264PROFILE_HIGH, |
| 42 media::H264PROFILE_HIGH10PROFILE, |
| 43 media::H264PROFILE_SCALABLEBASELINE, |
| 44 media::H264PROFILE_SCALABLEHIGH, |
| 45 media::H264PROFILE_STEREOHIGH, |
| 46 media::H264PROFILE_MULTIVIEWHIGH, |
| 47 }; |
| 48 |
36 // Size to use for NALU length headers in AVC format (can be 1, 2, or 4). | 49 // Size to use for NALU length headers in AVC format (can be 1, 2, or 4). |
37 static const int kNALUHeaderLength = 4; | 50 static const int kNALUHeaderLength = 4; |
38 | 51 |
39 // We request 5 picture buffers from the client, each of which has a texture ID | 52 // We request 5 picture buffers from the client, each of which has a texture ID |
40 // that we can bind decoded frames to. We need enough to satisfy preroll, and | 53 // that we can bind decoded frames to. We need enough to satisfy preroll, and |
41 // enough to avoid unnecessary stalling, but no more than that. The resource | 54 // enough to avoid unnecessary stalling, but no more than that. The resource |
42 // requirements are low, as we don't need the textures to be backed by storage. | 55 // requirements are low, as we don't need the textures to be backed by storage. |
43 static const int kNumPictureBuffers = media::limits::kMaxVideoFrames + 1; | 56 static const int kNumPictureBuffers = media::limits::kMaxVideoFrames + 1; |
44 | 57 |
45 // Maximum number of frames to queue for reordering before we stop asking for | 58 // Maximum number of frames to queue for reordering before we stop asking for |
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282 | 295 |
283 bool VTVideoDecodeAccelerator::Initialize( | 296 bool VTVideoDecodeAccelerator::Initialize( |
284 media::VideoCodecProfile profile, | 297 media::VideoCodecProfile profile, |
285 Client* client) { | 298 Client* client) { |
286 DCHECK(gpu_thread_checker_.CalledOnValidThread()); | 299 DCHECK(gpu_thread_checker_.CalledOnValidThread()); |
287 client_ = client; | 300 client_ = client; |
288 | 301 |
289 if (!InitializeVideoToolbox()) | 302 if (!InitializeVideoToolbox()) |
290 return false; | 303 return false; |
291 | 304 |
292 // Only H.264 with 4:2:0 chroma sampling is supported. | 305 bool profile_supported = false; |
293 if (profile < media::H264PROFILE_MIN || | 306 for (const auto& supported_profile : kSupportedProfiles) { |
294 profile > media::H264PROFILE_MAX || | 307 if (profile == supported_profile) { |
295 profile == media::H264PROFILE_HIGH422PROFILE || | 308 profile_supported = true; |
296 profile == media::H264PROFILE_HIGH444PREDICTIVEPROFILE) { | 309 break; |
| 310 } |
| 311 } |
| 312 if (!profile_supported) |
297 return false; | 313 return false; |
298 } | |
299 | 314 |
300 // Spawn a thread to handle parsing and calling VideoToolbox. | 315 // Spawn a thread to handle parsing and calling VideoToolbox. |
301 if (!decoder_thread_.Start()) | 316 if (!decoder_thread_.Start()) |
302 return false; | 317 return false; |
303 | 318 |
304 // Count the session as successfully initialized. | 319 // Count the session as successfully initialized. |
305 UMA_HISTOGRAM_ENUMERATION("Media.VTVDA.SessionFailureReason", | 320 UMA_HISTOGRAM_ENUMERATION("Media.VTVDA.SessionFailureReason", |
306 SFT_SUCCESSFULLY_INITIALIZED, | 321 SFT_SUCCESSFULLY_INITIALIZED, |
307 SFT_MAX + 1); | 322 SFT_MAX + 1); |
308 return true; | 323 return true; |
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1025 client_->NotifyEndOfBitstreamBuffer(bitstream_id); | 1040 client_->NotifyEndOfBitstreamBuffer(bitstream_id); |
1026 assigned_bitstream_ids_.clear(); | 1041 assigned_bitstream_ids_.clear(); |
1027 state_ = STATE_DESTROYING; | 1042 state_ = STATE_DESTROYING; |
1028 QueueFlush(TASK_DESTROY); | 1043 QueueFlush(TASK_DESTROY); |
1029 } | 1044 } |
1030 | 1045 |
1031 bool VTVideoDecodeAccelerator::CanDecodeOnIOThread() { | 1046 bool VTVideoDecodeAccelerator::CanDecodeOnIOThread() { |
1032 return false; | 1047 return false; |
1033 } | 1048 } |
1034 | 1049 |
| 1050 // static |
| 1051 media::VideoDecodeAccelerator::SupportedProfiles |
| 1052 VTVideoDecodeAccelerator::GetSupportedProfiles() { |
| 1053 SupportedProfiles profiles; |
| 1054 for (const auto& supported_profile : kSupportedProfiles) { |
| 1055 SupportedProfile profile; |
| 1056 profile.profile = supported_profile; |
| 1057 profile.min_resolution.SetSize(480, 360); |
| 1058 profile.max_resolution.SetSize(4096, 2160); |
| 1059 profiles.push_back(profile); |
| 1060 } |
| 1061 return profiles; |
| 1062 } |
| 1063 |
1035 } // namespace content | 1064 } // namespace content |
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