fprintf(stderr, " --http-x264-video send x264-compressed video to HTTP clients\n");
fprintf(stderr, " --x264-preset x264 quality preset (default " X264_DEFAULT_PRESET ")\n");
fprintf(stderr, " --x264-tune x264 tuning (default " X264_DEFAULT_TUNE ", can be blank)\n");
+ fprintf(stderr, " --x264-speedcontrol try to match x264 preset to available CPU speed\n");
+ fprintf(stderr, " --x264-speedcontrol-verbose output speedcontrol debugging statistics\n");
fprintf(stderr, " --x264-bitrate x264 bitrate (in kilobit/sec, default %d)\n",
DEFAULT_X264_OUTPUT_BIT_RATE);
fprintf(stderr, " --x264-vbv-bufsize x264 VBV size (in kilobits, 0 = one-frame VBV,\n");
{ "http-x264-video", no_argument, 0, 1008 },
{ "x264-preset", required_argument, 0, 1009 },
{ "x264-tune", required_argument, 0, 1010 },
+ { "x264-speedcontrol", no_argument, 0, 1015 },
+ { "x264-speedcontrol-verbose", no_argument, 0, 1016 },
{ "x264-bitrate", required_argument, 0, 1011 },
{ "x264-vbv-bufsize", required_argument, 0, 1012 },
{ "x264-vbv-max-bitrate", required_argument, 0, 1013 },
case 1010:
global_flags.x264_tune = optarg;
break;
+ case 1015:
+ global_flags.x264_speedcontrol = true;
+ break;
+ case 1016:
+ global_flags.x264_speedcontrol_verbose = true;
+ break;
case 1011:
global_flags.x264_bitrate = atoi(optarg);
break;
fprintf(stderr, "ERROR: --http-uncompressed-video and --http-x264-video are mutually incompatible\n");
exit(1);
}
+ if (global_flags.x264_speedcontrol) {
+ if (!global_flags.x264_preset.empty() && global_flags.x264_preset != "faster") {
+ fprintf(stderr, "WARNING: --x264-preset is overridden by --x264-speedcontrol (implicitly uses \"faster\" as base preset)\n");
+ }
+ global_flags.x264_preset = "faster";
+ } else if (global_flags.x264_preset.empty()) {
+ global_flags.x264_preset = X264_DEFAULT_PRESET;
+ }
+
for (pair<int, int> mapping : global_flags.default_stream_mapping) {
if (mapping.second >= global_flags.num_cards) {
fprintf(stderr, "ERROR: Signal %d mapped to card %d, which doesn't exist (try adjusting --num-cards)\n",