MediaCodec: add methods to query/subscribe vendor parameters
Bug: 183242434
Test: atest android.media.cts.MediaCodecTest
Change-Id: Ie6ffd648c6f8d89ba6ecadf5a3dbfb7f55963e50
diff --git a/media/codec2/sfplugin/CCodecConfig.h b/media/codec2/sfplugin/CCodecConfig.h
index 7e060f6..2e16bc9 100644
--- a/media/codec2/sfplugin/CCodecConfig.h
+++ b/media/codec2/sfplugin/CCodecConfig.h
@@ -35,6 +35,7 @@
namespace android {
struct AMessage;
+struct CodecParameterDescriptor;
class NativeHandle;
struct StandardParams;
@@ -137,8 +138,8 @@
/// For now support a validation function.
std::map<C2Param::Index, LocalParamValidator> mLocalParams;
- /// Vendor field name -> index map.
- std::map<std::string, C2Param::Index> mVendorParamIndices;
+ /// Vendor field name -> desc map.
+ std::map<std::string, std::shared_ptr<C2ParamDescriptor>> mVendorParams;
std::set<std::string> mLastConfig;
@@ -326,6 +327,41 @@
return Watcher<T>(index, this);
}
+ /**
+ * Queries supported parameters and put the keys to |names|.
+ * TODO: currently this method queries vendor parameter keys only.
+ *
+ * \return OK if successful.
+ * BAD_VALUE if |names| is nullptr.
+ */
+ status_t querySupportedParameters(std::vector<std::string> *names);
+
+ /**
+ * Describe the parameter with |name|, filling the information into |desc|
+ * TODO: currently this method works only for vendor parameters.
+ *
+ * \return OK if successful.
+ * BAD_VALUE if |desc| is nullptr.
+ * NAME_NOT_FOUND if |name| is not a recognized parameter name.
+ */
+ status_t describe(const std::string &name, CodecParameterDescriptor *desc);
+
+ /**
+ * Find corresponding indices for |names| and subscribe to them.
+ */
+ status_t subscribeToVendorConfigUpdate(
+ const std::shared_ptr<Codec2Client::Configurable> &configurable,
+ const std::vector<std::string> &names,
+ c2_blocking_t blocking = C2_DONT_BLOCK);
+
+ /**
+ * Find corresponding indices for |names| and unsubscribe from them.
+ */
+ status_t unsubscribeFromVendorConfigUpdate(
+ const std::shared_ptr<Codec2Client::Configurable> &configurable,
+ const std::vector<std::string> &names,
+ c2_blocking_t blocking = C2_DONT_BLOCK);
+
private:
/// initializes the standard MediaCodec to Codec 2.0 params mapping