Mpeg2 TS stream parser for media source.

media/mpeg2/mpeg2ts_section_parser.h

Index: media/mpeg2/mpeg2ts_section_parser.h
diff --git a/media/mpeg2/mpeg2ts_section_parser.h b/media/mpeg2/mpeg2ts_section_parser.h
new file mode 100644
index 0000000000000000000000000000000000000000..fc299a329aefc75927a9d4110bf6a9da6e648da7
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+++ b/media/mpeg2/mpeg2ts_section_parser.h
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+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_MPEG2_MPEG2TS_SECTION_PARSER_H_
+#define MEDIA_MPEG2_MPEG2TS_SECTION_PARSER_H_
+
+namespace media {
+namespace mpeg2ts {
+
+class Mpeg2TsSectionParser {
+ public:
+  // From ISO/IEC 13818-1 or ITU H.222 spec: Table 2-3 - PID table.
+  enum SpecialPid {
+    kPidPat = 0x0,
+    kPidCat = 0x1,
+    kPidTsdt = 0x2,
+    kPidNullPacket = 0x1fff,
+    kPidMax = 0x1fff,
+  };
+
+  virtual ~Mpeg2TsSectionParser() {}
+
+  // Parse the data bytes of the TS packet.
+  // Return true if parsing is successful.
+  virtual bool Parse(bool payload_unit_start_indicator,
+                     const uint8* buf, int size) = 0;
+
+  // Process bytes that have not been processed yet (pending buffers in the
+  // pipe). Flush might thus results in frame emission, as an example.
+  virtual void Flush() = 0;
+
+  // Reset the state of the parser to its initial state.
+  virtual void Reset() = 0;
+};
+
+}  // namespace mpeg2ts
+}  // namespace media
+
+#endif