Clear framebuffer for both amlogic and pi

src/main.c

@@ -109,6 +109,8 @@ static void stream(PSERVER_DATA server, PCONFIGURATION config, enum platform sys
     drFlags |= FORCE_HARDWARE_ACCELERATION;
 
   printf("Stream %d x %d, %d fps, %d kbps\n", config->stream.width, config->stream.height, config->stream.fps, config->stream.bitrate);
+
+  platform_start(system);
   LiStartConnection(&server->serverInfo, &config->stream, &connection_callbacks, platform_get_video(system), platform_get_audio(system), NULL, drFlags);
 
   if (IS_EMBEDDED(system)) {
@@ -122,6 +124,7 @@ static void stream(PSERVER_DATA server, PCONFIGURATION config, enum platform sys
   #endif
 
   LiStopConnection();
+  platform_stop(system);
 }
 
 static void help() {

src/platform.c

@@ -21,6 +21,8 @@
 
 #include "platform.h"
 
+#include "util.h"
+
 #include "audio/audio.h"
 #include "video/video.h"
 
@@ -71,6 +73,38 @@ enum platform platform_check(char* name) {
   return 0;
 }
 
+void platform_start(enum platform system) {
+  switch (system) {
+  #ifdef HAVE_AML
+  case AML:
+    blank_fb("/sys/class/graphics/fb0/blank", true);
+    blank_fb("/sys/class/graphics/fb1/blank", true);
+    break;
+  #endif
+  #ifdef HAVE_PI
+  case PI:
+    blank_fb("/sys/class/graphics/fb0/blank", true);
+    break;
+  #endif
+  }
+}
+
+void platform_stop(enum platform system) {
+  switch (system) {
+  #ifdef HAVE_AML
+  case AML:
+    blank_fb("/sys/class/graphics/fb0/blank", false);
+    blank_fb("/sys/class/graphics/fb1/blank", false);
+    break;
+  #endif
+  #ifdef HAVE_PI
+  case PI:
+    blank_fb("/sys/class/graphics/fb0/blank", false);
+    break;
+  #endif
+  }
+}
+
 DECODER_RENDERER_CALLBACKS* platform_get_video(enum platform system) {
   switch (system) {
   #ifdef HAVE_X11

src/platform.h

@@ -32,3 +32,6 @@ enum platform platform_check(char*);
 PDECODER_RENDERER_CALLBACKS platform_get_video(enum platform system);
 PAUDIO_RENDERER_CALLBACKS platform_get_audio(enum platform system);
 bool platform_supports_hevc(enum platform system);
+
+void platform_start(enum platform system);
+void platform_stop(enum platform system);

src/util.c

@@ -0,0 +1,39 @@
+/*
+ * This file is part of Moonlight Embedded.
+ *
+ * Copyright (C) 2017 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/>.
+ */
+
+#include "util.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
+
+int blank_fb(char *path, bool clear) {
+  int fd = open(path, O_RDWR);
+
+  if(fd >= 0) {
+    int ret = write(fd, clear ? "1" : "0", 1);
+    if (ret < 0)
+      fprintf(stderr, "Failed to clear framebuffer %s: %d\n", path, ret);
+
+    close(fd);
+    return 0;
+  } else
+    return -1;
+}

src/util.h

@@ -0,0 +1,22 @@
+/*
+ * This file is part of Moonlight Embedded.
+ *
+ * Copyright (C) 2017 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/>.
+ */
+
+#include <stdbool.h>
+
+int blank_fb(char *path, bool clear);

src/video/aml.c

@@ -35,29 +35,7 @@
 
 static codec_para_t codecParam = { 0 };
 
-static int osd_blank(char *path,int cmd) {
-  int fd;
-  char bcmd[16];
-
-  fd = open(path, O_CREAT|O_RDWR | O_TRUNC, 0644);
-
-  if(fd>=0) {
-    sprintf(bcmd,"%d",cmd);
-    int ret = write(fd,bcmd,strlen(bcmd));
-    if (ret < 0) {
-      printf("osd_blank error during write: %x\n", ret);
-    }
-    close(fd);
-    return 0;
-  }
-
-  return -1;
-}
-
 int aml_setup(int videoFormat, int width, int height, int redrawRate, void* context, int drFlags) {
-  osd_blank("/sys/class/graphics/fb0/blank",1);
-  osd_blank("/sys/class/graphics/fb1/blank",0);
-
   codecParam.stream_type = STREAM_TYPE_ES_VIDEO;
   codecParam.has_video = 1;
   codecParam.noblock = 0;
@@ -108,9 +86,7 @@ int aml_setup(int videoFormat, int width, int height, int redrawRate, void* cont
 }
 
 void aml_cleanup() {
-  int api = codec_close(&codecParam);
+  codec_close(&codecParam);
-  osd_blank("/sys/class/graphics/fb0/blank",0);
-  osd_blank("/sys/class/graphics/fb1/blank",0);
 }
 
 int aml_submit_decode_unit(PDECODE_UNIT decodeUnit) {