Multiple video backend in single executable

src/client.c

@@ -283,7 +283,7 @@ void client_pair(const char *address) {
   http_request(url, data);
   xml_search(data->memory, data->size, "pairingsecret", &result);
 
-  char *signature = NULL;
+  unsigned char *signature = NULL;
   size_t s_len;
   if (!sign_it(client_secret_data, 16, &signature, &s_len, privateKey)) {
       fprintf(stderr, "Failed to sign data\n");

src/main.c

@@ -64,6 +64,8 @@ static void stream(STREAM_CONFIGURATION* config, const char* address, const char
 
   client_start_app(config, address, appId, sops, localaudio);
 
+  video_init();
+
   struct addrinfo hints, *res;
   memset(&hints, 0, sizeof(hints));
   hints.ai_family = AF_INET;

src/video.c

@@ -0,0 +1,54 @@
+/*
+ * This file is part of Moonlight Embedded.
+ *
+ * Copyright (C) 2015 Iwan Timmer
+ *
+ * Moonlight is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Moonlight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Moonlight; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _GNU_SOURCE
+
+#include "video.h"
+
+#include "limelight-common/Limelight.h"
+
+#include <dlfcn.h>
+#include <stdlib.h>
+
+DECODER_RENDERER_CALLBACKS *decoder_callbacks;
+char* decoder_output_name;
+
+static int decoder_level;
+
+void video_init() {
+  decoder_callbacks = &decoder_callbacks_fake;
+  #ifdef HAVE_OMX
+  if (dlsym(RTLD_DEFAULT, "bcm_host_init") != NULL) {
+    decoder_callbacks = &decoder_callbacks_omx;
+  }
+  #endif
+  #ifdef HAVE_IMX
+  if (dlsym(RTLD_DEFAULT, "vpu_Init") != NULL) {
+    decoder_callbacks = &decoder_callbacks_imx;
+  }
+  #endif
+}
+
+int video_add_output(int level, char* name, DECODER_RENDERER_CALLBACKS *callbacks) {
+  if (level > decoder_level) {
+    decoder_output_name = name;
+    decoder_level = level;
+    decoder_callbacks = callbacks;
+  }
+}

src/video.h

@@ -19,4 +19,14 @@
 
 #include "limelight-common/Limelight.h"
 
-extern DECODER_RENDERER_CALLBACKS decoder_callbacks;
+extern DECODER_RENDERER_CALLBACKS *decoder_callbacks;
+
+void video_init();
+
+extern DECODER_RENDERER_CALLBACKS decoder_callbacks_fake;
+#ifdef HAVE_OMX
+extern DECODER_RENDERER_CALLBACKS decoder_callbacks_omx;
+#endif
+#ifdef HAVE_IMX
+extern DECODER_RENDERER_CALLBACKS decoder_callbacks_omx;
+#endif

src/video/fake.c

@@ -51,7 +51,7 @@ int decoder_renderer_submit_decode_unit(PDECODE_UNIT decodeUnit) {
   return DR_OK;
 }
 
-DECODER_RENDERER_CALLBACKS decoder_callbacks = {
+DECODER_RENDERER_CALLBACKS decoder_callbacks_fake = {
   .setup = decoder_renderer_setup,
   .start = decoder_renderer_start,
   .stop = decoder_renderer_stop,

src/video/imx.c

@@ -430,7 +430,7 @@ static void decoder_renderer_release() {
   vpu_UnInit();
 }
 
-DECODER_RENDERER_CALLBACKS decoder_callbacks = {
+DECODER_RENDERER_CALLBACKS decoder_callbacks_imx = {
   .setup = decoder_renderer_setup,
   .start = decoder_renderer_start,
   .stop = decoder_renderer_stop,

src/video/omx.c

@@ -229,7 +229,7 @@ static int decoder_renderer_submit_decode_unit(PDECODE_UNIT decodeUnit) {
   return DR_OK;
 }
 
-DECODER_RENDERER_CALLBACKS decoder_callbacks = {
+DECODER_RENDERER_CALLBACKS decoder_callbacks_omx = {
   .setup = decoder_renderer_setup,
   .start = decoder_renderer_start,
   .stop = decoder_renderer_stop,