| /* |
| *Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| *Not a Contribution, Apache license notifications and license are retained |
| *for attribution purposes only. |
| *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 "DashPacketSource.h" |
| #include "DashPlayer.h" |
| #include <media/stagefright/MediaBuffer.h> |
| #include <media/stagefright/MediaDefs.h> |
| #include <media/stagefright/MetaData.h> |
| #include <utils/Vector.h> |
| #include <cutils/properties.h> |
| |
| #define DPS_MSG_ERROR(...) ALOGE(__VA_ARGS__) |
| #define DPS_MSG_HIGH(...) if(mLogLevel >= 1){ALOGE(__VA_ARGS__);} |
| #define DPS_MSG_MEDIUM(...) if(mLogLevel >= 2){ALOGE(__VA_ARGS__);} |
| #define DPS_MSG_LOW(...) if(mLogLevel >= 3){ALOGE(__VA_ARGS__);} |
| |
| namespace android { |
| |
| DashPacketSource::DashPacketSource(const sp<MetaData> &meta) |
| : mIsAudio(false), |
| mFormat(meta), |
| mEOSResult(OK), |
| mLogLevel(0) { |
| |
| char property_value[PROPERTY_VALUE_MAX] = {0}; |
| property_get("persist.dash.debug.level", property_value, NULL); |
| if(*property_value) { |
| mLogLevel = atoi(property_value); |
| } |
| |
| const char *mime; |
| CHECK(meta->findCString(kKeyMIMEType, &mime)); |
| |
| if (!strncasecmp("audio/", mime, 6)) { |
| mIsAudio = true; |
| } |
| } |
| |
| void DashPacketSource::setFormat(const sp<MetaData> &meta) { |
| Mutex::Autolock autoLock(mLock); |
| CHECK(mFormat == NULL); |
| mFormat = meta; |
| } |
| |
| void DashPacketSource::updateFormat(const sp<MetaData> &meta) { |
| Mutex::Autolock autoLock(mLock); |
| mFormat = meta; |
| } |
| |
| DashPacketSource::~DashPacketSource() { |
| } |
| |
| status_t DashPacketSource::start(MetaData * /*params*/) { |
| return OK; |
| } |
| |
| status_t DashPacketSource::stop() { |
| return OK; |
| } |
| |
| sp<MetaData> DashPacketSource::getFormat() { |
| Mutex::Autolock autoLock(mLock); |
| return mFormat; |
| } |
| |
| status_t DashPacketSource::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)) { |
| if (wasFormatChange(discontinuity)) { |
| mFormat.clear(); |
| } |
| |
| return INFO_DISCONTINUITY; |
| } |
| |
| return OK; |
| } |
| |
| return mEOSResult; |
| } |
| |
| status_t DashPacketSource::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)) { |
| if (wasFormatChange(discontinuity)) { |
| mFormat.clear(); |
| } |
| |
| return INFO_DISCONTINUITY; |
| } else { |
| int64_t timeUs; |
| CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); |
| |
| MediaBuffer *mediaBuffer = new MediaBuffer(buffer); |
| |
| mediaBuffer->meta_data()->setInt64(kKeyTime, timeUs); |
| |
| *out = mediaBuffer; |
| return OK; |
| } |
| } |
| |
| return mEOSResult; |
| } |
| |
| bool DashPacketSource::wasFormatChange( |
| int32_t discontinuityType) const { |
| if (mIsAudio) { |
| return (discontinuityType & ATSParser::DISCONTINUITY_AUDIO_FORMAT) != 0; |
| } |
| |
| return (discontinuityType & ATSParser::DISCONTINUITY_VIDEO_FORMAT) != 0; |
| } |
| |
| void DashPacketSource::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)); |
| DPS_MSG_LOW("queueAccessUnit timeUs=%lld us (%.2f secs)", timeUs, (double)timeUs / 1E6); |
| |
| Mutex::Autolock autoLock(mLock); |
| mBuffers.push_back(buffer); |
| DPS_MSG_LOW("@@@@:: DashPacketSource --> size is %d ",mBuffers.size() ); |
| mCondition.signal(); |
| } |
| |
| int DashPacketSource::getQueueSize() { |
| return (int)mBuffers.size(); |
| } |
| |
| void DashPacketSource::queueDiscontinuity( |
| ATSParser::DiscontinuityType type, |
| const sp<AMessage> &extra) { |
| Mutex::Autolock autoLock(mLock); |
| |
| if (type == ATSParser::DISCONTINUITY_TIME) { |
| DPS_MSG_HIGH("Flushing all Access units for seek"); |
| mBuffers.clear(); |
| mEOSResult = OK; |
| mCondition.signal(); |
| return; |
| } |
| |
| mEOSResult = OK; |
| |
| sp<ABuffer> buffer = new ABuffer(0); |
| buffer->meta()->setInt32("discontinuity", static_cast<int32_t>(type)); |
| buffer->meta()->setMessage("extra", extra); |
| |
| mBuffers.push_back(buffer); |
| mCondition.signal(); |
| } |
| |
| void DashPacketSource::signalEOS(status_t result) { |
| CHECK(result != OK); |
| |
| Mutex::Autolock autoLock(mLock); |
| mEOSResult = result; |
| mCondition.signal(); |
| } |
| |
| bool DashPacketSource::hasBufferAvailable(status_t *finalResult) { |
| Mutex::Autolock autoLock(mLock); |
| if (!mBuffers.empty()) { |
| return true; |
| } |
| |
| *finalResult = mEOSResult; |
| return false; |
| } |
| |
| int64_t DashPacketSource::getBufferedDurationUs(status_t *finalResult) { |
| Mutex::Autolock autoLock(mLock); |
| |
| *finalResult = mEOSResult; |
| |
| if (mBuffers.empty()) { |
| return 0; |
| } |
| |
| int64_t time1 = -1; |
| int64_t time2 = -1; |
| |
| List<sp<ABuffer> >::iterator it = mBuffers.begin(); |
| while (it != mBuffers.end()) { |
| const sp<ABuffer> &buffer = *it; |
| |
| int64_t timeUs; |
| if (buffer->meta()->findInt64("timeUs", &timeUs)) { |
| if (time1 < 0) { |
| time1 = timeUs; |
| } |
| |
| time2 = timeUs; |
| } else { |
| // This is a discontinuity, reset everything. |
| time1 = time2 = -1; |
| } |
| |
| ++it; |
| } |
| |
| return time2 - time1; |
| } |
| |
| status_t DashPacketSource::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 |