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