96 int ExtractBuffer(const rtc::scoped_refptr<I420BufferInterface>& input_frame,  in ExtractBuffer()  argument
100   if (!input_frame)  in ExtractBuffer()
102   int width = input_frame->width();  in ExtractBuffer()
103   int height = input_frame->height();  in ExtractBuffer()
109   int chroma_width = input_frame->ChromaWidth();  in ExtractBuffer()
110   int chroma_height = input_frame->ChromaHeight();  in ExtractBuffer()
112   libyuv::I420Copy(input_frame->DataY(), input_frame->StrideY(),  in ExtractBuffer()
113                    input_frame->DataU(), input_frame->StrideU(),  in ExtractBuffer()
114                    input_frame->DataV(), input_frame->StrideV(), buffer, width,  in ExtractBuffer()
122 int ExtractBuffer(const VideoFrame& input_frame, size_t size, uint8_t* buffer) {  in ExtractBuffer()  argument
123   return ExtractBuffer(input_frame.video_frame_buffer()->ToI420(), size,  in ExtractBuffer()