1 files changed, 78 insertions, 0 deletions
diff --git a/media/libstagefright/timedtext/TimedTextSRTSource.h b/media/libstagefright/timedtext/TimedTextSRTSource.h
new file mode 100644
index 0000000..e1371b8
--- /dev/null
+++ b/media/libstagefright/timedtext/TimedTextSRTSource.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef TIMED_TEXT_SRT_SOURCE_H_
+#define TIMED_TEXT_SRT_SOURCE_H_
+
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/MediaSource.h>
+#include <utils/Compat.h>  // off64_t
+
+#include "TimedTextSource.h"
+
+namespace android {
+
+class AString;
+class DataSource;
+class MediaBuffer;
+class Parcel;
+
+class TimedTextSRTSource : public TimedTextSource {
+public:
+    TimedTextSRTSource(const sp<DataSource>& dataSource);
+    virtual status_t start();
+    virtual status_t stop();
+    virtual status_t read(
+            int64_t *startTimeUs,
+            int64_t *endTimeUs,
+            Parcel *parcel,
+            const MediaSource::ReadOptions *options = NULL);
+    virtual sp<MetaData> getFormat();
+
+protected:
+    virtual ~TimedTextSRTSource();
+
+private:
+    sp<DataSource> mSource;
+    sp<MetaData> mMetaData;
+
+    struct TextInfo {
+        int64_t endTimeUs;
+        // The offset of the text in the original file.
+        off64_t offset;
+        int textLen;
+    };
+
+    int mIndex;
+    KeyedVector<int64_t, TextInfo> mTextVector;
+
+    void reset();
+    status_t scanFile();
+    status_t getNextSubtitleInfo(
+            off64_t *offset, int64_t *startTimeUs, TextInfo *info);
+    status_t readNextLine(off64_t *offset, AString *data);
+    status_t getText(
+            const MediaSource::ReadOptions *options,
+            AString *text, int64_t *startTimeUs, int64_t *endTimeUs);
+    status_t extractAndAppendLocalDescriptions(
+            int64_t timeUs, const AString &text, Parcel *parcel);
+
+    DISALLOW_EVIL_CONSTRUCTORS(TimedTextSRTSource);
+};
+
+}  // namespace android
+
+#endif  // TIMED_TEXT_SRT_SOURCE_H_