1/* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10#ifndef WEBRTC_VIDEO_ENGINE_TEST_LIBVIETEST_INCLUDE_VIE_EXTERNAL_RENDER_H_ 11#define WEBRTC_VIDEO_ENGINE_TEST_LIBVIETEST_INCLUDE_VIE_EXTERNAL_RENDER_H_ 12 13#include "webrtc/system_wrappers/interface/tick_util.h" 14#include "webrtc/video_engine/include/vie_render.h" 15 16namespace webrtc { 17 18// A render filter which passes frames directly to an external renderer. This 19// is different from plugging the external renderer directly into the sending 20// side since this will only run on frames that actually get sent and not on 21// frames that only get captured. 22class ExternalRendererEffectFilter : public webrtc::ViEEffectFilter { 23 public: 24 explicit ExternalRendererEffectFilter(webrtc::ExternalRenderer* renderer) 25 : width_(0), height_(0), renderer_(renderer) {} 26 virtual ~ExternalRendererEffectFilter() {} 27 virtual int Transform(int size, 28 unsigned char* frame_buffer, 29 int64_t ntp_time_ms, 30 unsigned int timestamp, 31 unsigned int width, 32 unsigned int height) { 33 if (width != width_ || height_ != height) { 34 renderer_->FrameSizeChange(width, height, 1); 35 width_ = width; 36 height_ = height; 37 } 38 return renderer_->DeliverFrame(frame_buffer, 39 size, 40 ntp_time_ms, 41 timestamp, 42 webrtc::TickTime::MillisecondTimestamp(), 43 NULL); 44 } 45 46 private: 47 unsigned int width_; 48 unsigned int height_; 49 webrtc::ExternalRenderer* renderer_; 50}; 51 52} // namespace webrtc 53 54#endif // WEBRTC_VIDEO_ENGINE_TEST_LIBVIETEST_INCLUDE_VIE_EXTERNAL_RENDER_H_ 55