Update libgamestream for h265

docs/README.pod

@@ -95,6 +95,11 @@ Change the network packetsize to I<PACKETSIZE>.
 The packetsize should the smaller than the MTU of the network.
 By default a safe value of 1024 is used.
 
+=item B<-forcehevc>
+
+Request a h265/HEVC from the server.
+Will still use h264 if server doesn't support HEVC.
+
 =item B<-remote>
 
 Enable the optimizations for remote connections in GFE.

libgamestream/client.c

@@ -172,6 +172,7 @@ static int load_server_status(PSERVER_DATA server) {
   char *stateText = NULL;
   char *heightText = NULL;
   char *serverCodecModeSupportText = NULL;
+  char *maxLumaPixelsHEVC = NULL;
 
   uuid_t uuid;
   char uuid_str[37];
@@ -211,9 +212,13 @@ static int load_server_status(PSERVER_DATA server) {
   if (xml_search(data->memory, data->size, "ServerCodecModeSupport", &serverCodecModeSupportText) != GS_OK)
     goto cleanup;
 
+  if (xml_search(data->memory, data->size, "gputype", &server->gpuType) != GS_OK)
+    goto cleanup;
+
   server->paired = pairedText != NULL && strcmp(pairedText, "1") == 0;
   server->currentGame = currentGameText == NULL ? 0 : atoi(currentGameText);
   server->supports4K = heightText != NULL && serverCodecModeSupportText != NULL && atoi(heightText) >= 2160;
+  server->maxLumaPixelsHEVC = maxLumaPixelsHEVC == NULL ? 0 : atol(maxLumaPixelsHEVC);
   char *versionSep = strstr(versionText, ".");
   if (versionSep != NULL) {
     *versionSep = 0;
@@ -246,6 +251,9 @@ static int load_server_status(PSERVER_DATA server) {
   if (serverCodecModeSupportText != NULL)
     free(serverCodecModeSupportText);
 
+  if (maxLumaPixelsHEVC != NULL)
+    free(maxLumaPixelsHEVC);
+
   return ret;
 }
 
@@ -477,6 +485,11 @@ int gs_start_app(PSERVER_DATA server, STREAM_CONFIGURATION *config, int appId, b
   if (data == NULL)
     return GS_OUT_OF_MEMORY;
 
+  //Check support for H.265 video
+  //TODO: Find a better way to detect this
+  if (!(config->supportsHevc && server->maxLumaPixelsHEVC > 0 && server->gpuType != NULL && strstr(server->gpuType, "GTX 9")))
+    config->supportsHevc = VIDEO_FORMAT_H264;
+
   uuid_generate_random(uuid);
   uuid_unparse(uuid, uuid_str);
   if (server->currentGame == 0) {

libgamestream/client.h

@@ -27,10 +27,12 @@
 
 typedef struct _SERVER_DATA {
   const char* address;
+  char* gpuType;
   bool paired;
   bool supports4K;
   int currentGame;
   int serverMajorVersion;
+  long maxLumaPixelsHEVC;
 } SERVER_DATA, *PSERVER_DATA;
 
 int gs_init(PSERVER_DATA server, const char *keyDirectory);

moonlight.conf

@@ -17,6 +17,9 @@
 ## Size of network packets should be lower than MTU
 #packetsize = 1024
 
+## Use of h265/HEVC video codec
+#h265 = false
+
 ## Default started application on host
 #app = Steam
 

src/config.c

@@ -202,7 +202,7 @@ static void parse_argument(int c, char* value, PCONFIGURATION config) {
     config->forcehw = true;
     break;
   case 'x':
-    config->hevc = true;
+    config->stream.supportsHevc = true;
     break;
   case 1:
     if (config->action == NULL)
@@ -285,6 +285,7 @@ void config_parse(int argc, char* argv[], PCONFIGURATION config) {
   config->stream.packetSize = 1024;
   config->stream.streamingRemotely = 0;
   config->stream.audioConfiguration = AUDIO_CONFIGURATION_STEREO;
+  config->stream.supportsHevc = false;
 
   config->platform = "default";
   config->app = "Steam";
@@ -294,7 +295,6 @@ void config_parse(int argc, char* argv[], PCONFIGURATION config) {
   config->sops = true;
   config->localaudio = false;
   config->fullscreen = true;
-  config->hevc = false;
 
   config->inputsCount = 0;
   config->mapping = get_path("mappings/default.conf", getenv("XDG_DATA_DIRS"));

src/config.h

@@ -43,7 +43,6 @@ typedef struct _CONFIGURATION {
   bool forcehw;
   struct input_config inputs[MAX_INPUTS];
   int inputsCount;
-  bool hevc;
 } CONFIGURATION, *PCONFIGURATION;
 
 bool inputAdded;

src/main.c

@@ -83,11 +83,6 @@ static void stream(PSERVER_DATA server, PCONFIGURATION config, enum platform sys
     exit(-1);
   }
 
-  // h265
-  if (config->hevc) {
-    config->stream.supportsHevc = 1;
-  }
-
   int ret = gs_start_app(server, &config->stream, appId, config->sops, config->localaudio);
   if (ret < 0) {
     if (ret == GS_NOT_SUPPORTED_4K)
@@ -142,7 +137,7 @@ static void help() {
   printf("\t-60fps\t\t\tUse 60fps [default]\n");
   printf("\t-bitrate <bitrate>\tSpecify the bitrate in Kbps\n");
   printf("\t-packetsize <size>\tSpecify the maximum packetsize in bytes\n");
-  printf("\t-hevc \t\tUse high efficiency video decoding (HEVC)\n");
+  printf("\t-forcehevc\t\tUse high efficiency video decoding (HEVC)\n");
   printf("\t-remote\t\t\tEnable remote optimizations\n");
   printf("\t-app <app>\t\tName of app to stream\n");
   printf("\t-nosops\t\t\tDon't allow GFE to modify game settings\n");