Index: chromecast/media/cma/backend/alsa/post_processing_pipeline_parser.h |
diff --git a/chromecast/media/cma/backend/alsa/post_processing_pipeline_parser.h b/chromecast/media/cma/backend/alsa/post_processing_pipeline_parser.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6b4f0252a9e3b262efa23dcb0ed4ff167235e7a3 |
--- /dev/null |
+++ b/chromecast/media/cma/backend/alsa/post_processing_pipeline_parser.h |
@@ -0,0 +1,48 @@ |
+// Copyright 2017 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 CHROMECAST_MEDIA_CMA_BACKEND_ALSA_POST_PROCESSING_PIPELINE_PARSER_H_ |
+#define CHROMECAST_MEDIA_CMA_BACKEND_ALSA_POST_PROCESSING_PIPELINE_PARSER_H_ |
+ |
+#include <memory> |
+#include <string> |
+ |
+#include "base/macros.h" |
+#include "base/values.h" |
+ |
+namespace chromecast { |
+namespace media { |
+ |
+// Helper class to parse post-processing pipeline descriptor file. |
+class PostProcessingPipelineParser { |
+ public: |
+ PostProcessingPipelineParser(); |
+ ~PostProcessingPipelineParser(); |
+ |
+ // Reads the pipeline descriptor file and does preliminary parsing. |
+ // Crashes with fatal log if parsing fails. |
+ void Initialize(); |
+ |
+ // Gets the list of processors for a given stream type. |
+ // The format will be: |
+ // [ |
+ // {"processor": "PATH_TO_SHARED_OBJECT", |
+ // "config": "CONFIGURATION_STRING"}, |
+ // {"processor": "PATH_TO_SHARED_OBJECT", |
+ // "config": "CONFIGURATION_STRING"}, |
+ // ... |
+ // ] |
+ base::ListValue* GetPipelineByDeviceId(const std::string& device_id); |
+ |
+ private: |
+ std::unique_ptr<base::Value> cast_audio_config_data_; |
+ base::DictionaryValue* pipeline_dict_ = nullptr; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(PostProcessingPipelineParser); |
+}; |
+ |
+} // namepsace media |
+} // namespace chromecast |
+ |
+#endif // CHROMECAST_MEDIA_CMA_BACKEND_ALSA_POST_PROCESSING_PIPELINE_PARSER_H_ |