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-rw-r--r--media/libmediaplayerservice/nuplayer/StreamingSource.cpp120
1 files changed, 120 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
new file mode 100644
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+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
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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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "StreamingSource"
+#include <utils/Log.h>
+
+#include "StreamingSource.h"
+
+#include "ATSParser.h"
+#include "AnotherPacketSource.h"
+#include "NuPlayerStreamListener.h"
+
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/MetaData.h>
+
+namespace android {
+
+NuPlayer::StreamingSource::StreamingSource(const sp<IStreamSource> &source)
+ : mSource(source),
+ mEOS(false) {
+}
+
+NuPlayer::StreamingSource::~StreamingSource() {
+}
+
+void NuPlayer::StreamingSource::start() {
+ mStreamListener = new NuPlayerStreamListener(mSource, 0);
+ mTSParser = new ATSParser;
+
+ mStreamListener->start();
+}
+
+bool NuPlayer::StreamingSource::feedMoreTSData() {
+ if (mEOS) {
+ return false;
+ }
+
+ for (int32_t i = 0; i < 10; ++i) {
+ char buffer[188];
+ ssize_t n = mStreamListener->read(buffer, sizeof(buffer));
+
+ if (n == 0) {
+ LOGI("input data EOS reached.");
+ mTSParser->signalEOS(ERROR_END_OF_STREAM);
+ mEOS = true;
+ break;
+ } else if (n == INFO_DISCONTINUITY) {
+ mTSParser->signalDiscontinuity(ATSParser::DISCONTINUITY_SEEK);
+ } else if (n < 0) {
+ CHECK_EQ(n, -EWOULDBLOCK);
+ break;
+ } else {
+ if (buffer[0] == 0x00) {
+ // XXX legacy
+ mTSParser->signalDiscontinuity(
+ buffer[1] == 0x00
+ ? ATSParser::DISCONTINUITY_SEEK
+ : ATSParser::DISCONTINUITY_FORMATCHANGE);
+ } else {
+ mTSParser->feedTSPacket(buffer, sizeof(buffer));
+ }
+ }
+ }
+
+ return true;
+}
+
+sp<MetaData> NuPlayer::StreamingSource::getFormat(bool audio) {
+ ATSParser::SourceType type =
+ audio ? ATSParser::MPEG2ADTS_AUDIO : ATSParser::AVC_VIDEO;
+
+ sp<AnotherPacketSource> source =
+ static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get());
+
+ if (source == NULL) {
+ return NULL;
+ }
+
+ return source->getFormat();
+}
+
+status_t NuPlayer::StreamingSource::dequeueAccessUnit(
+ bool audio, sp<ABuffer> *accessUnit) {
+ ATSParser::SourceType type =
+ audio ? ATSParser::MPEG2ADTS_AUDIO : ATSParser::AVC_VIDEO;
+
+ sp<AnotherPacketSource> source =
+ static_cast<AnotherPacketSource *>(mTSParser->getSource(type).get());
+
+ if (source == NULL) {
+ return -EWOULDBLOCK;
+ }
+
+ status_t finalResult;
+ if (!source->hasBufferAvailable(&finalResult)) {
+ return finalResult == OK ? -EWOULDBLOCK : finalResult;
+ }
+
+ return source->dequeueAccessUnit(accessUnit);
+}
+
+} // namespace android
+