1*05767d91SRobert Wu /* 2*05767d91SRobert Wu * Copyright 2020 The Android Open Source Project 3*05767d91SRobert Wu * 4*05767d91SRobert Wu * Licensed under the Apache License, Version 2.0 (the "License"); 5*05767d91SRobert Wu * you may not use this file except in compliance with the License. 6*05767d91SRobert Wu * You may obtain a copy of the License at 7*05767d91SRobert Wu * 8*05767d91SRobert Wu * http://www.apache.org/licenses/LICENSE-2.0 9*05767d91SRobert Wu * 10*05767d91SRobert Wu * Unless required by applicable law or agreed to in writing, software 11*05767d91SRobert Wu * distributed under the License is distributed on an "AS IS" BASIS, 12*05767d91SRobert Wu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*05767d91SRobert Wu * See the License for the specific language governing permissions and 14*05767d91SRobert Wu * limitations under the License. 15*05767d91SRobert Wu */ 16*05767d91SRobert Wu 17*05767d91SRobert Wu #include "FlowGraphNode.h" 18*05767d91SRobert Wu #include "FlowgraphUtilities.h" 19*05767d91SRobert Wu #include "SinkI32.h" 20*05767d91SRobert Wu 21*05767d91SRobert Wu #if FLOWGRAPH_ANDROID_INTERNAL 22*05767d91SRobert Wu #include <audio_utils/primitives.h> 23*05767d91SRobert Wu #endif 24*05767d91SRobert Wu 25*05767d91SRobert Wu using namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph; 26*05767d91SRobert Wu SinkI32(int32_t channelCount)27*05767d91SRobert WuSinkI32::SinkI32(int32_t channelCount) 28*05767d91SRobert Wu : FlowGraphSink(channelCount) {} 29*05767d91SRobert Wu read(void * data,int32_t numFrames)30*05767d91SRobert Wuint32_t SinkI32::read(void *data, int32_t numFrames) { 31*05767d91SRobert Wu int32_t *intData = (int32_t *) data; 32*05767d91SRobert Wu const int32_t channelCount = input.getSamplesPerFrame(); 33*05767d91SRobert Wu 34*05767d91SRobert Wu int32_t framesLeft = numFrames; 35*05767d91SRobert Wu while (framesLeft > 0) { 36*05767d91SRobert Wu // Run the graph and pull data through the input port. 37*05767d91SRobert Wu int32_t framesRead = pullData(framesLeft); 38*05767d91SRobert Wu if (framesRead <= 0) { 39*05767d91SRobert Wu break; 40*05767d91SRobert Wu } 41*05767d91SRobert Wu const float *signal = input.getBuffer(); 42*05767d91SRobert Wu int32_t numSamples = framesRead * channelCount; 43*05767d91SRobert Wu #if FLOWGRAPH_ANDROID_INTERNAL 44*05767d91SRobert Wu memcpy_to_i32_from_float(intData, signal, numSamples); 45*05767d91SRobert Wu intData += numSamples; 46*05767d91SRobert Wu signal += numSamples; 47*05767d91SRobert Wu #else 48*05767d91SRobert Wu for (int i = 0; i < numSamples; i++) { 49*05767d91SRobert Wu *intData++ = FlowgraphUtilities::clamp32FromFloat(*signal++); 50*05767d91SRobert Wu } 51*05767d91SRobert Wu #endif 52*05767d91SRobert Wu framesLeft -= framesRead; 53*05767d91SRobert Wu } 54*05767d91SRobert Wu return numFrames - framesLeft; 55*05767d91SRobert Wu } 56