Add TsMuxer class

- Simple implementation of MPEG2 TS muxer.
- This does not take MuxerListener so a manifest cannot be generated.
- Encryption is not supported.

Issue #84

Change-Id: I117b772dbbce5437398defbd564883ad758916d5

packager/media/formats/mp2t/mp2t.gyp

@@ -26,6 +26,8 @@
         'pes_packet.h',
         'pes_packet_generator.cc',
         'pes_packet_generator.h',
+        'ts_muxer.cc',
+        'ts_muxer.h',
         'ts_packet.cc',
         'ts_packet.h',
         'ts_section_pat.cc',

packager/media/formats/mp2t/ts_muxer.cc

@@ -0,0 +1,34 @@
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#include "packager/media/formats/mp2t/ts_muxer.h"
+
+namespace edash_packager {
+namespace media {
+namespace mp2t {
+
+TsMuxer::TsMuxer(const MuxerOptions& muxer_options)
+    : Muxer(muxer_options), segmenter_(options()) {}
+TsMuxer::~TsMuxer() {}
+
+Status TsMuxer::Initialize() {
+  if (streams().size() > 1u)
+    return Status(error::MUXER_FAILURE, "Cannot handle more than one streams.");
+  return segmenter_.Initialize(*streams()[0]->info());
+}
+
+Status TsMuxer::Finalize() {
+  return segmenter_.Finalize();
+}
+
+Status TsMuxer::DoAddSample(const MediaStream* stream,
+                            scoped_refptr<MediaSample> sample) {
+  return segmenter_.AddSample(sample);
+}
+
+}  // namespace mp2t
+}  // namespace media
+}  // namespace edash_packager

packager/media/formats/mp2t/ts_muxer.h

@@ -0,0 +1,41 @@
+// Copyright 2016 Google Inc. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#ifndef PACKAGER_MEDIA_FORMATS_MP2T_TS_MUXER_H_
+#define PACKAGER_MEDIA_FORMATS_MP2T_TS_MUXER_H_
+
+#include "packager/base/macros.h"
+#include "packager/media/base/muxer.h"
+#include "packager/media/formats/mp2t/ts_segmenter.h"
+
+namespace edash_packager {
+namespace media {
+namespace mp2t {
+
+/// MPEG2 TS muxer.
+/// This is a single program, single elementary stream TS muxer.
+class TsMuxer : public Muxer {
+ public:
+  explicit TsMuxer(const MuxerOptions& muxer_options);
+  ~TsMuxer() override;
+
+ private:
+  // Muxer implementation.
+  Status Initialize() override;
+  Status Finalize() override;
+  Status DoAddSample(const MediaStream* stream,
+                     scoped_refptr<MediaSample> sample) override;
+
+  TsSegmenter segmenter_;
+
+  DISALLOW_COPY_AND_ASSIGN(TsMuxer);
+};
+
+}  // namespace mp2t
+}  // namespace media
+}  // namespace edash_packager
+
+#endif  // PACKAGER_MEDIA_FORMATS_MP2T_TS_MUXER_H_