Initial checkin of mpeg2 transport stream parser for stagefright.

Change-Id: I328ce77404daf7127933b48c9d58ed504fb8fc6f

1 files changed, 112 insertions, 0 deletions

diff --git a/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
new file mode 100644
index 0000000..3d51177
--- /dev/null
+++ b/media/libstagefright/mpeg2ts/AnotherPacketSource.cpp
@@ -0,0 +1,112 @@
+/*
+ * 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::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();
+
+        uint64_t timeUs;
+        CHECK(buffer->meta()->findInt64(
+                    "time", (int64_t *)&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;
+
+        mBuffers.erase(mBuffers.begin());
+        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;
+    }
+
+    Mutex::Autolock autoLock(mLock);
+    mBuffers.push_back(buffer);
+    mCondition.signal();
+}
+
+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;
+}
+
+}  // namespace android