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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 "content/common/gpu/media/fake_video_decode_accelerator.h" | 5 #include "content/common/gpu/media/fake_video_decode_accelerator.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 #include <string.h> | 8 #include <string.h> |
| 9 | 9 |
| 10 #include "base/bind.h" | 10 #include "base/bind.h" |
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| 52 return false; | 52 return false; |
| 53 } | 53 } |
| 54 if (config.is_encrypted) { | 54 if (config.is_encrypted) { |
| 55 NOTREACHED() << "encrypted streams are not supported"; | 55 NOTREACHED() << "encrypted streams are not supported"; |
| 56 return false; | 56 return false; |
| 57 } | 57 } |
| 58 | 58 |
| 59 // V4L2VideoDecodeAccelerator waits until first decode call to ask for buffers | 59 // V4L2VideoDecodeAccelerator waits until first decode call to ask for buffers |
| 60 // This class asks for it on initialization instead. | 60 // This class asks for it on initialization instead. |
| 61 client_ = client; | 61 client_ = client; |
| 62 client_->ProvidePictureBuffers(kNumBuffers, | 62 client_->ProvidePictureBuffers(kNumBuffers, 1, frame_buffer_size_, |
| 63 frame_buffer_size_, | |
| 64 kDefaultTextureTarget); | 63 kDefaultTextureTarget); |
| 65 return true; | 64 return true; |
| 66 } | 65 } |
| 67 | 66 |
| 68 void FakeVideoDecodeAccelerator::Decode( | 67 void FakeVideoDecodeAccelerator::Decode( |
| 69 const media::BitstreamBuffer& bitstream_buffer) { | 68 const media::BitstreamBuffer& bitstream_buffer) { |
| 70 // We won't really read from the bitstream_buffer, close the handle. | 69 // We won't really read from the bitstream_buffer, close the handle. |
| 71 if (base::SharedMemory::IsHandleValid(bitstream_buffer.handle())) | 70 if (base::SharedMemory::IsHandleValid(bitstream_buffer.handle())) |
| 72 base::SharedMemory::CloseHandle(bitstream_buffer.handle()); | 71 base::SharedMemory::CloseHandle(bitstream_buffer.handle()); |
| 73 | 72 |
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| 101 new uint8_t[frame_buffer_size_.width() * frame_buffer_size_.height() * | 100 new uint8_t[frame_buffer_size_.width() * frame_buffer_size_.height() * |
| 102 4]); | 101 4]); |
| 103 memset(black_data.get(), | 102 memset(black_data.get(), |
| 104 0, | 103 0, |
| 105 frame_buffer_size_.width() * frame_buffer_size_.height() * 4); | 104 frame_buffer_size_.width() * frame_buffer_size_.height() * 4); |
| 106 if (!make_context_current_.Run()) { | 105 if (!make_context_current_.Run()) { |
| 107 LOG(ERROR) << "ReusePictureBuffer(): could not make context current"; | 106 LOG(ERROR) << "ReusePictureBuffer(): could not make context current"; |
| 108 return; | 107 return; |
| 109 } | 108 } |
| 110 for (size_t index = 0; index < buffers.size(); ++index) { | 109 for (size_t index = 0; index < buffers.size(); ++index) { |
| 111 glBindTexture(GL_TEXTURE_2D, buffers[index].texture_id()); | 110 DCHECK_LE(1u, buffers[index].texture_ids().size()); |
| 111 glBindTexture(GL_TEXTURE_2D, buffers[index].texture_ids()[0]); |
| 112 // Every other frame white and the rest black. | 112 // Every other frame white and the rest black. |
| 113 uint8_t* data = index % 2 ? white_data.get() : black_data.get(); | 113 uint8_t* data = index % 2 ? white_data.get() : black_data.get(); |
| 114 glTexImage2D(GL_TEXTURE_2D, | 114 glTexImage2D(GL_TEXTURE_2D, |
| 115 0, | 115 0, |
| 116 GL_RGBA, | 116 GL_RGBA, |
| 117 frame_buffer_size_.width(), | 117 frame_buffer_size_.width(), |
| 118 frame_buffer_size_.height(), | 118 frame_buffer_size_.height(), |
| 119 0, | 119 0, |
| 120 GL_RGBA, | 120 GL_RGBA, |
| 121 GL_UNSIGNED_BYTE, | 121 GL_UNSIGNED_BYTE, |
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| 186 // Bitstream no longer needed. | 186 // Bitstream no longer needed. |
| 187 client_->NotifyEndOfBitstreamBuffer(bitstream_id); | 187 client_->NotifyEndOfBitstreamBuffer(bitstream_id); |
| 188 if (flushing_ && queued_bitstream_ids_.empty()) { | 188 if (flushing_ && queued_bitstream_ids_.empty()) { |
| 189 flushing_ = false; | 189 flushing_ = false; |
| 190 client_->NotifyFlushDone(); | 190 client_->NotifyFlushDone(); |
| 191 } | 191 } |
| 192 } | 192 } |
| 193 } | 193 } |
| 194 | 194 |
| 195 } // namespace content | 195 } // namespace content |
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