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| 1 /* | 1 /* | 
| 2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 
| 3  * | 3  * | 
| 4  *  Use of this source code is governed by a BSD-style license | 4  *  Use of this source code is governed by a BSD-style license | 
| 5  *  that can be found in the LICENSE file in the root of the source | 5  *  that can be found in the LICENSE file in the root of the source | 
| 6  *  tree. An additional intellectual property rights grant can be found | 6  *  tree. An additional intellectual property rights grant can be found | 
| 7  *  in the file PATENTS.  All contributing project authors may | 7  *  in the file PATENTS.  All contributing project authors may | 
| 8  *  be found in the AUTHORS file in the root of the source tree. | 8  *  be found in the AUTHORS file in the root of the source tree. | 
| 9  */ | 9  */ | 
| 10 | 10 | 
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| 692   float scalePar = 0.5; | 692   float scalePar = 0.5; | 
| 693   uint32_t targetPct = optimalBuffersize * scalePar * codec_.maxFramerate / 10; | 693   uint32_t targetPct = optimalBuffersize * scalePar * codec_.maxFramerate / 10; | 
| 694 | 694 | 
| 695   // Don't go below 3 times the per frame bandwidth. | 695   // Don't go below 3 times the per frame bandwidth. | 
| 696   const uint32_t minIntraTh = 300; | 696   const uint32_t minIntraTh = 300; | 
| 697   return (targetPct < minIntraTh) ? minIntraTh: targetPct; | 697   return (targetPct < minIntraTh) ? minIntraTh: targetPct; | 
| 698 } | 698 } | 
| 699 | 699 | 
| 700 int VP8EncoderImpl::Encode(const VideoFrame& frame, | 700 int VP8EncoderImpl::Encode(const VideoFrame& frame, | 
| 701                            const CodecSpecificInfo* codec_specific_info, | 701                            const CodecSpecificInfo* codec_specific_info, | 
| 702                            const std::vector<VideoFrameType>* frame_types) { | 702                            const std::vector<FrameType>* frame_types) { | 
| 703   TRACE_EVENT1("webrtc", "VP8::Encode", "timestamp", frame.timestamp()); | 703   TRACE_EVENT1("webrtc", "VP8::Encode", "timestamp", frame.timestamp()); | 
| 704 | 704 | 
| 705   if (!inited_) | 705   if (!inited_) | 
| 706     return WEBRTC_VIDEO_CODEC_UNINITIALIZED; | 706     return WEBRTC_VIDEO_CODEC_UNINITIALIZED; | 
| 707   if (frame.IsZeroSize()) | 707   if (frame.IsZeroSize()) | 
| 708     return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; | 708     return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; | 
| 709   if (encoded_complete_callback_ == NULL) | 709   if (encoded_complete_callback_ == NULL) | 
| 710     return WEBRTC_VIDEO_CODEC_UNINITIALIZED; | 710     return WEBRTC_VIDEO_CODEC_UNINITIALIZED; | 
| 711 | 711 | 
| 712   // Only apply scaling to improve for single-layer streams. The scaling metrics | 712   // Only apply scaling to improve for single-layer streams. The scaling metrics | 
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| 1387     return -1; | 1387     return -1; | 
| 1388   } | 1388   } | 
| 1389   if (vpx_codec_control(copy->decoder_, VP8_SET_REFERENCE, ref_frame_) | 1389   if (vpx_codec_control(copy->decoder_, VP8_SET_REFERENCE, ref_frame_) | 
| 1390       != VPX_CODEC_OK) { | 1390       != VPX_CODEC_OK) { | 
| 1391     return -1; | 1391     return -1; | 
| 1392   } | 1392   } | 
| 1393   return 0; | 1393   return 0; | 
| 1394 } | 1394 } | 
| 1395 | 1395 | 
| 1396 }  // namespace webrtc | 1396 }  // namespace webrtc | 
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