118 lines
2.7 KiB
C++
118 lines
2.7 KiB
C++
/* //device/servers/AudioFlinger/AudioDumpInterface.cpp
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**
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** Copyright 2008, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "AudioFlingerDump"
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Log.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "AudioDumpInterface.h"
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namespace android {
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bool gFirst = true; // true if first write after a standby
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// ----------------------------------------------------------------------------
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AudioDumpInterface::AudioDumpInterface(AudioHardwareInterface* hw)
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{
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if(hw == 0) {
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LOGE("Dump construct hw = 0");
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}
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mFinalInterface = hw;
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mStreamOut = 0;
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}
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AudioDumpInterface::~AudioDumpInterface()
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{
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if(mFinalInterface) delete mFinalInterface;
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if(mStreamOut) delete mStreamOut;
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}
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AudioStreamOut* AudioDumpInterface::openOutputStream(
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int format, int channelCount, uint32_t sampleRate, status_t *status)
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{
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AudioStreamOut* outFinal = mFinalInterface->openOutputStream(format, channelCount, sampleRate, status);
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if(outFinal) {
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mStreamOut = new AudioStreamOutDump(outFinal);
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return mStreamOut;
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} else {
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LOGE("Dump outFinal=0");
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return 0;
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}
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}
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// ----------------------------------------------------------------------------
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AudioStreamOutDump::AudioStreamOutDump( AudioStreamOut* finalStream)
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{
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mFinalStream = finalStream;
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mOutFile = 0;
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}
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AudioStreamOutDump::~AudioStreamOutDump()
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{
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Close();
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delete mFinalStream;
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}
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ssize_t AudioStreamOutDump::write(const void* buffer, size_t bytes)
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{
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ssize_t ret;
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ret = mFinalStream->write(buffer, bytes);
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if(!mOutFile && gFirst) {
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gFirst = false;
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// check if dump file exist
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mOutFile = fopen(FLINGER_DUMP_NAME, "r");
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if(mOutFile) {
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fclose(mOutFile);
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mOutFile = fopen(FLINGER_DUMP_NAME, "ab");
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}
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}
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if (mOutFile) {
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fwrite(buffer, bytes, 1, mOutFile);
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}
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return ret;
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}
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status_t AudioStreamOutDump::standby()
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{
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Close();
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gFirst = true;
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return mFinalStream->standby();
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}
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void AudioStreamOutDump::Close(void)
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{
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if(mOutFile) {
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fclose(mOutFile);
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mOutFile = 0;
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}
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}
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}; // namespace android
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