Add hardware acceleration force option

src/config.c

@@ -62,6 +62,7 @@ static struct option long_options[] = {
   {"windowed", no_argument, NULL, 't'},
   {"surround", no_argument, NULL, 'u'},
   {"fps", required_argument, NULL, 'v'},
+  {"forcehw", no_argument, NULL, 'w'},
   {0, 0, 0, 0},
 };
 
@@ -196,6 +197,8 @@ static void parse_argument(int c, char* value, PCONFIGURATION config) {
   case 'v':
     config->stream.fps = atoi(value);
     break;
+  case 'w':
+    config->forcehw = true;
   case 1:
     if (config->action == NULL)
       config->action = value;
@@ -303,7 +306,7 @@ void config_parse(int argc, char* argv[], PCONFIGURATION config) {
   } else {
     int option_index = 0;
     int c;
-    while ((c = getopt_long_only(argc, argv, "-abc:d:efg:h:i:j:k:lm:no:p:q:r:s", long_options, &option_index)) != -1) {
+    while ((c = getopt_long_only(argc, argv, "-abc:d:efg:h:i:j:k:lm:no:p:q:r:stuv:w", long_options, &option_index)) != -1) {
       parse_argument(c, optarg, config);
     }
   }

src/config.h

@@ -40,6 +40,7 @@ typedef struct _CONFIGURATION {
   bool sops;
   bool localaudio;
   bool fullscreen;
+  bool forcehw;
   struct input_config inputs[MAX_INPUTS];
   int inputsCount;
 } CONFIGURATION, *PCONFIGURATION;

src/main.c

@@ -89,6 +89,9 @@ static void stream(PSERVER_DATA server, PCONFIGURATION config, enum platform sys
   if (config->fullscreen)
     drFlags |= DISPLAY_FULLSCREEN;
 
+  if (config->forcehw)
+    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);
   LiStartConnection(server->address, &config->stream, &connection_callbacks, platform_get_video(system), platform_get_audio(system), NULL, drFlags, server->serverMajorVersion);
 
@@ -142,6 +145,7 @@ static void help() {
   printf("\t-mapping <file>\t\tUse <file> as gamepad mapping configuration file (use before -input)\n");
   printf("\t-input <device>\t\tUse <device> as input. Can be used multiple times\n");
   printf("\t-audio <device>\t\tUse <device> as ALSA audio output device (default sysdefault)\n");
+  printf("\t-forcehw \t\tTry to use video hardware acceleration\n");
   #endif
   printf("\nUse Ctrl+Alt+Shift+Q to exit streaming session\n\n");
   exit(0);

src/video.h

@@ -18,3 +18,4 @@
  */
 
 #define DISPLAY_FULLSCREEN 1
+#define FORCE_HARDWARE_ACCELERATION 2

src/video/ffmpeg.c

@@ -51,9 +51,11 @@ int ffmpeg_init(int width, int height, int perf_lvl, int thread_count) {
   av_init_packet(&pkt);
 
   #ifdef HAVE_VDPAU
+  if (perf_lvl & HARDWARE_ACCELERATION) {
     decoder = avcodec_find_decoder_by_name("h264_vdpau");
     if (decoder != NULL)
       decoder_system = VDPAU;
+  }
   #endif
 
   if (decoder == NULL) {

src/video/ffmpeg.h

@@ -31,6 +31,8 @@
 #define BILINEAR_FILTERING 0x10
 // Uses a faster bilinear filtering with lower image quality
 #define FAST_BILINEAR_FILTERING 0x20
+// Uses hardware acceleration
+#define HARDWARE_ACCELERATION 0x40
 
 int ffmpeg_init(int width, int height, int perf_lvl, int thread_count);
 void ffmpeg_destroy(void);