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/*
* Copyright (C) 2010 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.
*/
#include "AnotherPacketSource.h"
#include <media/stagefright/foundation/ABuffer.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/foundation/AString.h>
#include <media/stagefright/foundation/hexdump.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MetaData.h>
#include <utils/Vector.h>
namespace android {
AnotherPacketSource::AnotherPacketSource(const sp<MetaData> &meta)
: mFormat(meta),
mEOSResult(OK) {
}
AnotherPacketSource::~AnotherPacketSource() {
}
status_t AnotherPacketSource::start(MetaData *params) {
return OK;
}
status_t AnotherPacketSource::stop() {
return OK;
}
sp<MetaData> AnotherPacketSource::getFormat() {
return mFormat;
}
status_t AnotherPacketSource::dequeueAccessUnit(sp<ABuffer> *buffer) {
buffer->clear();
Mutex::Autolock autoLock(mLock);
while (mEOSResult == OK && mBuffers.empty()) {
mCondition.wait(mLock);
}
if (!mBuffers.empty()) {
*buffer = *mBuffers.begin();
mBuffers.erase(mBuffers.begin());
int32_t discontinuity;
if ((*buffer)->meta()->findInt32("discontinuity", &discontinuity)
&& discontinuity) {
return INFO_DISCONTINUITY;
}
return OK;
}
return mEOSResult;
}
status_t AnotherPacketSource::read(
MediaBuffer **out, const ReadOptions *) {
*out = NULL;
Mutex::Autolock autoLock(mLock);
while (mEOSResult == OK && mBuffers.empty()) {
mCondition.wait(mLock);
}
if (!mBuffers.empty()) {
const sp<ABuffer> buffer = *mBuffers.begin();
mBuffers.erase(mBuffers.begin());
int32_t discontinuity;
if (buffer->meta()->findInt32("discontinuity", &discontinuity)
&& discontinuity) {
return INFO_DISCONTINUITY;
} else {
int64_t timeUs;
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
MediaBuffer *mediaBuffer = new MediaBuffer(buffer->size());
mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs);
// hexdump(buffer->data(), buffer->size());
memcpy(mediaBuffer->data(), buffer->data(), buffer->size());
*out = mediaBuffer;
return OK;
}
}
return mEOSResult;
}
void AnotherPacketSource::queueAccessUnit(const sp<ABuffer> &buffer) {
int32_t damaged;
if (buffer->meta()->findInt32("damaged", &damaged) && damaged) {
// LOG(VERBOSE) << "discarding damaged AU";
return;
}
int64_t timeUs;
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
LOGV("queueAccessUnit timeUs=%lld us (%.2f secs)", timeUs, timeUs / 1E6);
Mutex::Autolock autoLock(mLock);
mBuffers.push_back(buffer);
mCondition.signal();
}
void AnotherPacketSource::queueDiscontinuity(bool formatChange) {
sp<ABuffer> buffer = new ABuffer(0);
buffer->meta()->setInt32("discontinuity", true);
if (formatChange) {
buffer->meta()->setInt32("format-change", true);
}
Mutex::Autolock autoLock(mLock);
mBuffers.push_back(buffer);
mCondition.signal();
}
void AnotherPacketSource::clear() {
Mutex::Autolock autoLock(mLock);
mBuffers.clear();
mEOSResult = OK;
}
void AnotherPacketSource::signalEOS(status_t result) {
CHECK(result != OK);
Mutex::Autolock autoLock(mLock);
mEOSResult = result;
mCondition.signal();
}
bool AnotherPacketSource::hasBufferAvailable(status_t *finalResult) {
Mutex::Autolock autoLock(mLock);
if (!mBuffers.empty()) {
return true;
}
*finalResult = mEOSResult;
return false;
}
status_t AnotherPacketSource::nextBufferTime(int64_t *timeUs) {
*timeUs = 0;
Mutex::Autolock autoLock(mLock);
if (mBuffers.empty()) {
return mEOSResult != OK ? mEOSResult : -EWOULDBLOCK;
}
sp<ABuffer> buffer = *mBuffers.begin();
CHECK(buffer->meta()->findInt64("timeUs", timeUs));
return OK;
}
} // namespace android
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