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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 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 "base/logging.h" | 5 #include "base/logging.h" |
| 6 #include "services/media/common/media_pipe_base.h" | 6 #include "services/media/common/media_pipe_base.h" |
| 7 | 7 |
| 8 namespace mojo { | 8 namespace mojo { |
| 9 namespace media { | 9 namespace media { |
| 10 | 10 |
| 11 MediaPipeBase::MediaPipeBase() | 11 MediaPipeBase::MediaPipeBase() |
| 12 : binding_(this) { | 12 : binding_(this) { |
| 13 } | 13 } |
| 14 | 14 |
| 15 MediaPipeBase::~MediaPipeBase() { | 15 MediaPipeBase::~MediaPipeBase() { |
| 16 } | 16 } |
| 17 | 17 |
| 18 MojoResult MediaPipeBase::Init(InterfaceRequest<MediaConsumer> request) { | 18 MojoResult MediaPipeBase::Init(InterfaceRequest<MediaPacketConsumer> request) { |
| 19 // Double init? | 19 // Double init? |
| 20 if (IsInitialized()) { | 20 if (IsInitialized()) { |
| 21 return MOJO_RESULT_ALREADY_EXISTS; | 21 return MOJO_RESULT_ALREADY_EXISTS; |
| 22 } | 22 } |
| 23 | 23 |
| 24 binding_.Bind(request.Pass()); | 24 binding_.Bind(request.Pass()); |
| 25 binding_.set_connection_error_handler([this]() -> void { | 25 binding_.set_connection_error_handler([this]() -> void { |
| 26 Reset(); | 26 Reset(); |
| 27 }); | 27 }); |
| 28 return MOJO_RESULT_OK; | 28 return MOJO_RESULT_OK; |
| 29 } | 29 } |
| 30 | 30 |
| 31 bool MediaPipeBase::IsInitialized() const { | 31 bool MediaPipeBase::IsInitialized() const { |
| 32 return binding_.is_bound(); | 32 return binding_.is_bound(); |
| 33 } | 33 } |
| 34 | 34 |
| 35 void MediaPipeBase::Reset() { | 35 void MediaPipeBase::Reset() { |
| 36 if (binding_.is_bound()) { | 36 if (binding_.is_bound()) { |
| 37 binding_.Close(); | 37 binding_.Close(); |
| 38 } | 38 } |
| 39 buffer_ = nullptr; | 39 buffer_ = nullptr; |
| 40 } | 40 } |
| 41 | 41 |
| 42 void MediaPipeBase::SetBuffer(ScopedSharedBufferHandle handle, | 42 void MediaPipeBase::SetBuffer(ScopedSharedBufferHandle handle, |
| 43 const SetBufferCallback& cbk) { | 43 const SetBufferCallback& cbk) { |
| 44 DCHECK(handle.is_valid()); | 44 DCHECK(handle.is_valid()); |
| 45 | 45 |
| 46 // Double init? Close the connection. | 46 // Double init? Close the connection. |
| 47 if (buffer_) { | 47 if (buffer_) { |
| 48 LOG(ERROR) << "Attempting to set a new buffer on a MediaConsumer which " | 48 LOG(ERROR) << "Attempting to set a new buffer on a MediaPacketConsumer " |
| 49 "already has a buffer assigned. (size = " | 49 "which already has a buffer assigned. (size = " |
| 50 << buffer_->size() | 50 << buffer_->size() |
| 51 << ")"; | 51 << ")"; |
| 52 Reset(); | 52 Reset(); |
| 53 return; | 53 return; |
| 54 } | 54 } |
| 55 | 55 |
| 56 // Query the buffer for its size. If we fail to query the info, close the | 56 // Query the buffer for its size. If we fail to query the info, close the |
| 57 // connection. | 57 // connection. |
| 58 MojoResult res; | 58 MojoResult res; |
| 59 MojoBufferInformation info; | 59 MojoBufferInformation info; |
| 60 res = MojoGetBufferInformation(handle.get().value(), &info, sizeof(info)); | 60 res = MojoGetBufferInformation(handle.get().value(), &info, sizeof(info)); |
| 61 if (res != MOJO_RESULT_OK) { | 61 if (res != MOJO_RESULT_OK) { |
| 62 LOG(ERROR) << "Failed to query shared buffer info (res = " << res << ")"; | 62 LOG(ERROR) << "Failed to query shared buffer info (res = " << res << ")"; |
| 63 Reset(); | 63 Reset(); |
| 64 return; | 64 return; |
| 65 } | 65 } |
| 66 | 66 |
| 67 // Invalid size? Close the connection. | 67 // Invalid size? Close the connection. |
| 68 uint64_t size = info.num_bytes; | 68 uint64_t size = info.num_bytes; |
| 69 if (!size || (size > MediaConsumer::kMaxBufferLen)) { | 69 if (!size || (size > MediaPacketConsumer::kMaxBufferLen)) { |
| 70 LOG(ERROR) << "Invalid shared buffer size (size = " << size << ")"; | 70 LOG(ERROR) << "Invalid shared buffer size (size = " << size << ")"; |
| 71 Reset(); | 71 Reset(); |
| 72 return; | 72 return; |
| 73 } | 73 } |
| 74 | 74 |
| 75 // Failed to map the buffer? Close the connection. | 75 // Failed to map the buffer? Close the connection. |
| 76 buffer_ = MappedSharedBuffer::Create(handle.Pass(), size); | 76 buffer_ = MappedSharedBuffer::Create(handle.Pass(), size); |
| 77 if (!buffer_) { | 77 if (!buffer_) { |
| 78 LOG(ERROR) << "Failed to map shared memory buffer (size = " << size << ")"; | 78 LOG(ERROR) << "Failed to map shared memory buffer (size = " << size << ")"; |
| 79 Reset(); | 79 Reset(); |
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| 156 } | 156 } |
| 157 } | 157 } |
| 158 | 158 |
| 159 MediaPipeBase::MediaPacketState::MediaPacketState( | 159 MediaPipeBase::MediaPacketState::MediaPacketState( |
| 160 MediaPacketPtr packet, | 160 MediaPacketPtr packet, |
| 161 const MappedSharedBufferPtr& buffer, | 161 const MappedSharedBufferPtr& buffer, |
| 162 const SendPacketCallback& cbk) | 162 const SendPacketCallback& cbk) |
| 163 : packet_(packet.Pass()), | 163 : packet_(packet.Pass()), |
| 164 buffer_(buffer), | 164 buffer_(buffer), |
| 165 cbk_(cbk), | 165 cbk_(cbk), |
| 166 result_(MediaConsumer::SendResult::CONSUMED) { | 166 result_(MediaPacketConsumer::SendResult::CONSUMED) { |
| 167 DCHECK(packet_); | 167 DCHECK(packet_); |
| 168 DCHECK(packet_->payload); | 168 DCHECK(packet_->payload); |
| 169 } | 169 } |
| 170 | 170 |
| 171 MediaPipeBase::MediaPacketState::~MediaPacketState() { | 171 MediaPipeBase::MediaPacketState::~MediaPacketState() { |
| 172 cbk_.Run(result_); | 172 cbk_.Run(result_); |
| 173 } | 173 } |
| 174 | 174 |
| 175 void MediaPipeBase::MediaPacketState::SetResult( | 175 void MediaPipeBase::MediaPacketState::SetResult( |
| 176 MediaConsumer::SendResult result) { | 176 MediaPacketConsumer::SendResult result) { |
| 177 MediaConsumer::SendResult tmp = MediaConsumer::SendResult::CONSUMED; | 177 MediaPacketConsumer::SendResult tmp = |
| 178 MediaPacketConsumer::SendResult::CONSUMED; |
| 178 result_.compare_exchange_strong(tmp, result); | 179 result_.compare_exchange_strong(tmp, result); |
| 179 } | 180 } |
| 180 | 181 |
| 181 MediaPipeBase::MappedSharedBufferPtr MediaPipeBase::MappedSharedBuffer::Create( | 182 MediaPipeBase::MappedSharedBufferPtr MediaPipeBase::MappedSharedBuffer::Create( |
| 182 ScopedSharedBufferHandle handle, | 183 ScopedSharedBufferHandle handle, |
| 183 uint64_t size) { | 184 uint64_t size) { |
| 184 MappedSharedBufferPtr ret(new MappedSharedBuffer(handle.Pass(), size)); | 185 MappedSharedBufferPtr ret(new MappedSharedBuffer(handle.Pass(), size)); |
| 185 return ret->base() ? ret : nullptr; | 186 return ret->base() ? ret : nullptr; |
| 186 } | 187 } |
| 187 | 188 |
| (...skipping 18 matching lines...) Expand all Loading... |
| 206 if (MOJO_RESULT_OK != res) { | 207 if (MOJO_RESULT_OK != res) { |
| 207 LOG(ERROR) << "Failed to map shared buffer of size " << size_ | 208 LOG(ERROR) << "Failed to map shared buffer of size " << size_ |
| 208 << " (res " << res << ")"; | 209 << " (res " << res << ")"; |
| 209 DCHECK(base_ == nullptr); | 210 DCHECK(base_ == nullptr); |
| 210 handle_.reset(); | 211 handle_.reset(); |
| 211 } | 212 } |
| 212 } | 213 } |
| 213 | 214 |
| 214 } // namespace media | 215 } // namespace media |
| 215 } // namespace mojo | 216 } // namespace mojo |
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