commit ba3e254483c18238b25445b48d9d3592d40689a3
author Tomasz Wasilczyk <twasilczyk@google.com> Mon Jul 17 13:59:21 2017 -0700
committer Tomasz Wasilczyk <twasilczyk@google.com> Wed Jul 19 13:38:26 2017 -0700
tree 3ed5f9844354765ac9fac440e8dc411964504e5b
parent 9400122ce8c91e3edb25bba7da16cdca48eca295

Implement out-of-band metadata images.

This saves a lot of HIDL bandwidth, by not including raw image data in
metadata vector.

Bug: b/63702941
Test: VTS
Change-Id: I73d5218095e4af34c58da8dcfc520abd4cb46c26

broadcastradio/1.1/default/VirtualProgram.cpp

diff --git a/broadcastradio/1.1/default/VirtualProgram.cpp b/broadcastradio/1.1/default/VirtualProgram.cpp
index babf0d8..1f3b693 100644
--- a/broadcastradio/1.1/default/VirtualProgram.cpp
+++ b/broadcastradio/1.1/default/VirtualProgram.cpp
@@ -17,6 +17,8 @@
 
 #include <Utils.h>
 
+#include "resources.h"
+
 namespace android {
 namespace hardware {
 namespace broadcastradio {
@@ -27,6 +29,23 @@
 using V1_0::MetadataKey;
 using V1_0::MetadataType;
 
+// TODO (b/36864090): inject this data in a more elegant way
+static int gHalVersion = 2;  // 1 = 1.0, 2 = 1.1
+
+void setCompatibilityLevel(int halversion) {
+    gHalVersion = halversion;
+}
+
+static MetaData createDemoBitmap(MetadataKey key) {
+    MetaData bmp = {MetadataType::INT, key, resources::demoPngId, {}, {}, {}};
+    if (gHalVersion < 2) {
+        bmp.type = MetadataType::RAW;
+        bmp.intValue = 0;
+        bmp.rawValue = std::vector<uint8_t>(resources::demoPng, std::end(resources::demoPng));
+    }
+    return bmp;
+}
+
 VirtualProgram::operator ProgramInfo() const {
     ProgramInfo info11 = {};
     auto& info10 = info11.base;
@@ -42,6 +61,8 @@
         {MetadataType::TEXT, MetadataKey::RDS_PS, {}, {}, programName, {}},
         {MetadataType::TEXT, MetadataKey::TITLE, {}, {}, songTitle, {}},
         {MetadataType::TEXT, MetadataKey::ARTIST, {}, {}, songArtist, {}},
+        createDemoBitmap(MetadataKey::ICON),
+        createDemoBitmap(MetadataKey::ART),
     });
 
     return info11;