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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this |
| 2 // source code is governed by a BSD-style license that can be found in the | 2 // source code is governed by a BSD-style license that can be found in the |
| 3 // LICENSE file. | 3 // LICENSE file. |
| 4 | 4 |
| 5 #include "media/base/buffers.h" | 5 #include "media/base/buffers.h" |
| 6 #include "media/base/filter_host.h" | 6 #include "media/base/filter_host.h" |
| 7 #include "media/filters/video_renderer_base.h" | 7 #include "media/filters/video_renderer_base.h" |
| 8 | 8 |
| 9 namespace media { | 9 namespace media { |
| 10 | 10 |
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| 181 current_frame_ = frames_.front(); | 181 current_frame_ = frames_.front(); |
| 182 if (frames_.size() >= 2) { | 182 if (frames_.size() >= 2) { |
| 183 next_frame = frames_[1]; | 183 next_frame = frames_[1]; |
| 184 } | 184 } |
| 185 } | 185 } |
| 186 | 186 |
| 187 // Notify subclass that |current_frame_| has been updated. | 187 // Notify subclass that |current_frame_| has been updated. |
| 188 OnFrameAvailable(); | 188 OnFrameAvailable(); |
| 189 | 189 |
| 190 // Determine the current and next presentation timestamps. | 190 // Determine the current and next presentation timestamps. |
| 191 base::TimeDelta now = host_->GetPipelineStatus()->GetTime(); | 191 base::TimeDelta now = host_->GetTime(); |
| 192 base::TimeDelta this_pts = current_frame_->GetTimestamp(); | 192 base::TimeDelta this_pts = current_frame_->GetTimestamp(); |
| 193 base::TimeDelta next_pts; | 193 base::TimeDelta next_pts; |
| 194 if (next_frame) { | 194 if (next_frame) { |
| 195 next_pts = next_frame->GetTimestamp(); | 195 next_pts = next_frame->GetTimestamp(); |
| 196 } else { | 196 } else { |
| 197 next_pts = this_pts + current_frame_->GetDuration(); | 197 next_pts = this_pts + current_frame_->GetDuration(); |
| 198 } | 198 } |
| 199 | 199 |
| 200 // Determine our sleep duration based on whether time advanced. | 200 // Determine our sleep duration based on whether time advanced. |
| 201 base::TimeDelta sleep; | 201 base::TimeDelta sleep; |
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| 272 if (state_ == STOPPED) { | 272 if (state_ == STOPPED) { |
| 273 return false; | 273 return false; |
| 274 } | 274 } |
| 275 } | 275 } |
| 276 DCHECK_EQ(state_, INITIALIZED); | 276 DCHECK_EQ(state_, INITIALIZED); |
| 277 DCHECK(current_frame_); | 277 DCHECK(current_frame_); |
| 278 return true; | 278 return true; |
| 279 } | 279 } |
| 280 | 280 |
| 281 } // namespace media | 281 } // namespace media |
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