Connect AdCueGenerator in the pipeline.

Change-Id: Iaae73661bc57ddecd2cc103dbd34d0c3102ffdaa

packager/media/ad_cue_generator/ad_cue_generator.cc

@@ -9,11 +9,33 @@
 namespace shaka {
 namespace media {
 
+namespace {
+
+// The AdCuGenerator only supports single input and single output.
+const size_t kStreamIndex = 0;
+
+}  // namespace
+
 AdCueGenerator::AdCueGenerator(
     const AdCueGeneratorParams& ad_cue_generator_params)
     : ad_cue_generator_params_(ad_cue_generator_params) {}
 
 AdCueGenerator::~AdCueGenerator() {}
 
+Status AdCueGenerator::InitializeInternal() {
+  return Status::OK;
+}
+
+Status AdCueGenerator::Process(std::unique_ptr<StreamData> stream_data) {
+  switch (stream_data->stream_data_type) {
+    case StreamDataType::kStreamInfo:
+      // TODO(kdevarakonda): dispatch scte35 events.
+      return DispatchStreamInfo(kStreamIndex,
+                                std::move(stream_data->stream_info));
+    default:
+      return Dispatch(std::move(stream_data));
+  }
+}
+
 }  // namespace media
 }  // namespace shaka

packager/media/ad_cue_generator/ad_cue_generator.h

@@ -23,6 +23,9 @@ class AdCueGenerator : public MediaHandler {
   AdCueGenerator(const AdCueGenerator&) = delete;
   AdCueGenerator& operator=(const AdCueGenerator&) = delete;
 
+  Status InitializeInternal() override;
+  Status Process(std::unique_ptr<StreamData> stream_data) override;
+
   const AdCueGeneratorParams ad_cue_generator_params_;
 };
 

packager/packager.cc

@@ -21,6 +21,7 @@
 #include "packager/file/file.h"
 #include "packager/hls/base/hls_notifier.h"
 #include "packager/hls/base/simple_hls_notifier.h"
+#include "packager/media/ad_cue_generator/ad_cue_generator.h"
 #include "packager/media/base/container_names.h"
 #include "packager/media/base/fourccs.h"
 #include "packager/media/base/key_source.h"
@@ -495,6 +496,8 @@ Status CreateAudioVideoJobs(
 
   // Demuxers are shared among all streams with the same input.
   std::shared_ptr<Demuxer> demuxer;
+  // AdCueGenerator is shared among all streams.
+  std::shared_ptr<AdCueGenerator> ad_cue_generator;
   // Replicators are shared among all streams with the same input and stream
   // selector.
   std::shared_ptr<MediaHandler> replicator;
@@ -506,6 +509,11 @@ Status CreateAudioVideoJobs(
   // iteration.
   int stream_number = first_stream_number - 1;
 
+  if (!packaging_params.ad_cue_generator_params.cue_points.empty()) {
+    ad_cue_generator = std::make_shared<AdCueGenerator>(
+        packaging_params.ad_cue_generator_params);
+  }
+
   for (const StreamDescriptor& stream : streams) {
     stream_number += 1;
 
@@ -555,16 +563,17 @@ Status CreateAudioVideoJobs(
           packaging_params, stream, encryption_key_source);
 
       Status status;
-
-      // The path is different if there is encryption. Even though there are
-      // common elements, it is easier to understand the path if they are
-      // expressed independently of each other.
-      if (encryptor) {
+      if (ad_cue_generator) {
+        status.Update(
+            demuxer->SetHandler(stream.stream_selector, ad_cue_generator));
+        status.Update(ad_cue_generator->AddHandler(chunker));
+      } else {
         status.Update(demuxer->SetHandler(stream.stream_selector, chunker));
+      }
+      if (encryptor) {
         status.Update(chunker->AddHandler(encryptor));
         status.Update(encryptor->AddHandler(replicator));
       } else {
-        status.Update(demuxer->SetHandler(stream.stream_selector, chunker));
         status.Update(chunker->AddHandler(replicator));
       }
 

packager/packager.gyp

@@ -24,8 +24,10 @@
       'dependencies': [
         'file/file.gyp:file',
         'hls/hls.gyp:hls_builder',
+        'media/ad_cue_generator/ad_cue_generator.gyp:ad_cue_generator',
         'media/chunking/chunking.gyp:chunking',
         'media/codecs/codecs.gyp:codecs',
+        'media/crypto/crypto.gyp:crypto',
         'media/demuxer/demuxer.gyp:demuxer',
         'media/event/media_event.gyp:media_event',
         'media/formats/mp2t/mp2t.gyp:mp2t',