1 files changed, 132 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
new file mode 100644
index 0000000..c656e69
--- /dev/null
+++ b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
@@ -0,0 +1,132 @@
+/*
+ * 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 "HTTPLiveSource"
+#include <utils/Log.h>
+
+#include "HTTPLiveSource.h"
+
+#include "ATSParser.h"
+#include "AnotherPacketSource.h"
+#include "LiveDataSource.h"
+#include "LiveSession.h"
+
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/MetaData.h>
+
+namespace android {
+
+NuPlayer::HTTPLiveSource::HTTPLiveSource(const char *url)
+    : mURL(url),
+      mEOS(false),
+      mOffset(0) {
+}
+
+NuPlayer::HTTPLiveSource::~HTTPLiveSource() {
+    mLiveSession->disconnect();
+    mLiveLooper->stop();
+}
+
+void NuPlayer::HTTPLiveSource::start() {
+    mLiveLooper = new ALooper;
+    mLiveLooper->setName("http live");
+    mLiveLooper->start();
+
+    mLiveSession = new LiveSession;
+    mLiveLooper->registerHandler(mLiveSession);
+
+    mLiveSession->connect(mURL.c_str());
+
+    mTSParser = new ATSParser;
+}
+
+sp<MetaData> NuPlayer::HTTPLiveSource::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();
+}
+
+bool NuPlayer::HTTPLiveSource::feedMoreTSData() {
+    if (mEOS) {
+        return false;
+    }
+
+    sp<LiveDataSource> source =
+        static_cast<LiveDataSource *>(mLiveSession->getDataSource().get());
+
+    for (int32_t i = 0; i < 10; ++i) {
+        char buffer[188];
+        ssize_t n = source->readAtNonBlocking(mOffset, buffer, sizeof(buffer));
+
+        if (n == -EWOULDBLOCK) {
+            break;
+        } else if (n < 0) {
+            LOGI("input data EOS reached.");
+            mTSParser->signalEOS(ERROR_END_OF_STREAM);
+            mEOS = true;
+            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));
+            }
+
+            mOffset += n;
+        }
+    }
+
+    return true;
+}
+
+status_t NuPlayer::HTTPLiveSource::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
+