OPTION_FAKE_CARDS_AUDIO,
OPTION_HTTP_UNCOMPRESSED_VIDEO,
OPTION_HTTP_X264_VIDEO,
+ OPTION_RECORD_X264_VIDEO,
OPTION_X264_PRESET,
OPTION_X264_TUNE,
OPTION_X264_SPEEDCONTROL,
OPTION_X264_SPEEDCONTROL_VERBOSE,
OPTION_X264_BITRATE,
+ OPTION_X264_CRF,
OPTION_X264_VBV_BUFSIZE,
OPTION_X264_VBV_MAX_BITRATE,
OPTION_X264_PARAM,
OPTION_OUTPUT_SLOP_FRAMES,
OPTION_TIMECODE_STREAM,
OPTION_TIMECODE_STDOUT,
+ OPTION_10_BIT_INPUT,
+ OPTION_10_BIT_OUTPUT,
};
void usage()
fprintf(stderr, " --fake-cards-audio make fake (disconnected) cards output a simple tone\n");
fprintf(stderr, " --http-uncompressed-video send uncompressed NV12 video to HTTP clients\n");
fprintf(stderr, " --http-x264-video send x264-compressed video to HTTP clients\n");
+ fprintf(stderr, " --record-x264-video store x264-compressed video to disk (implies --http-x264-video,\n");
+ fprintf(stderr, " removes the need for working VA-API encoding)\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-crf=VALUE quality-based VBR (-12 to 51), incompatible with --x264-bitrate and VBV\n");
fprintf(stderr, " --x264-vbv-bufsize x264 VBV size (in kilobits, 0 = one-frame VBV,\n");
fprintf(stderr, " default: same as --x264-bitrate, that is, one-second VBV)\n");
fprintf(stderr, " --x264-vbv-max-bitrate x264 local max bitrate (in kilobit/sec per --vbv-bufsize,\n");
fprintf(stderr, " --audio-queue-length-ms=MS length of audio resampling queue (default 100.0)\n");
fprintf(stderr, " --output-ycbcr-coefficients={rec601,rec709,auto}\n");
fprintf(stderr, " Y'CbCr coefficient standard of output (default auto)\n");
- fprintf(stderr, " auto is rec709 if and only if --output-card is used\n");
- fprintf(stderr, " and a HD resolution is set\n");
+ fprintf(stderr, " auto is rec601, unless --output-card is used\n");
+ fprintf(stderr, " and a Rec. 709 mode (typically HD modes) is in use\n");
fprintf(stderr, " --output-buffer-frames=NUM number of frames in output buffer for --output-card,\n");
fprintf(stderr, " can be fractional (default 6.0); note also\n");
fprintf(stderr, " the audio queue can't be much longer than this\n");
fprintf(stderr, " dropping the frame (default 0.5)\n");
fprintf(stderr, " --timecode-stream show timestamp and timecode in stream\n");
fprintf(stderr, " --timecode-stdout show timestamp and timecode on standard output\n");
+ fprintf(stderr, " --10-bit-input use 10-bit video input (requires compute shaders)\n");
+ fprintf(stderr, " --10-bit-output use 10-bit video output (requires compute shaders,\n");
+ fprintf(stderr, " implies --record-x264-video)\n");
}
void parse_flags(int argc, char * const argv[])
{ "fake-cards-audio", no_argument, 0, OPTION_FAKE_CARDS_AUDIO },
{ "http-uncompressed-video", no_argument, 0, OPTION_HTTP_UNCOMPRESSED_VIDEO },
{ "http-x264-video", no_argument, 0, OPTION_HTTP_X264_VIDEO },
+ { "record-x264-video", no_argument, 0, OPTION_RECORD_X264_VIDEO },
{ "x264-preset", required_argument, 0, OPTION_X264_PRESET },
{ "x264-tune", required_argument, 0, OPTION_X264_TUNE },
{ "x264-speedcontrol", no_argument, 0, OPTION_X264_SPEEDCONTROL },
{ "x264-speedcontrol-verbose", no_argument, 0, OPTION_X264_SPEEDCONTROL_VERBOSE },
{ "x264-bitrate", required_argument, 0, OPTION_X264_BITRATE },
+ { "x264-crf", required_argument, 0, OPTION_X264_CRF },
{ "x264-vbv-bufsize", required_argument, 0, OPTION_X264_VBV_BUFSIZE },
{ "x264-vbv-max-bitrate", required_argument, 0, OPTION_X264_VBV_MAX_BITRATE },
{ "x264-param", required_argument, 0, OPTION_X264_PARAM },
{ "output-slop-frames", required_argument, 0, OPTION_OUTPUT_SLOP_FRAMES },
{ "timecode-stream", no_argument, 0, OPTION_TIMECODE_STREAM },
{ "timecode-stdout", no_argument, 0, OPTION_TIMECODE_STDOUT },
+ { "10-bit-input", no_argument, 0, OPTION_10_BIT_INPUT },
+ { "10-bit-output", no_argument, 0, OPTION_10_BIT_OUTPUT },
{ 0, 0, 0, 0 }
};
vector<string> theme_dirs;
case OPTION_HTTP_X264_VIDEO:
global_flags.x264_video_to_http = true;
break;
+ case OPTION_RECORD_X264_VIDEO:
+ global_flags.x264_video_to_disk = true;
+ global_flags.x264_video_to_http = true;
+ break;
case OPTION_X264_PRESET:
global_flags.x264_preset = optarg;
break;
case OPTION_X264_BITRATE:
global_flags.x264_bitrate = atoi(optarg);
break;
+ case OPTION_X264_CRF:
+ global_flags.x264_crf = atof(optarg);
+ break;
case OPTION_X264_VBV_BUFSIZE:
global_flags.x264_vbv_buffer_size = atoi(optarg);
break;
case OPTION_TIMECODE_STDOUT:
global_flags.display_timecode_on_stdout = true;
break;
+ case OPTION_10_BIT_INPUT:
+ global_flags.ten_bit_input = true;
+ break;
+ case OPTION_10_BIT_OUTPUT:
+ global_flags.ten_bit_output = true;
+ global_flags.x264_video_to_disk = true;
+ global_flags.x264_video_to_http = true;
+ global_flags.x264_bit_depth = 10;
+ break;
case OPTION_HELP:
usage();
exit(0);
// On the other hand, HDMI/SDI output typically requires Rec. 709 for
// HD resolutions (with no way of signaling anything else), which is
// a conflicting demand. In this case, we typically let the HDMI/SDI
- // output win, but the user can override this.
+ // output win if it is active, but the user can override this.
if (output_ycbcr_coefficients == "auto") {
- if (global_flags.output_card >= 0 && global_flags.width >= 1280) {
- global_flags.ycbcr_rec709_coefficients = true;
- } else {
- global_flags.ycbcr_rec709_coefficients = false;
- }
+ // Essentially: BT.709 if HDMI/SDI output is on, otherwise BT.601.
+ global_flags.ycbcr_rec709_coefficients = false;
+ global_flags.ycbcr_auto_coefficients = true;
} else if (output_ycbcr_coefficients == "rec709") {
global_flags.ycbcr_rec709_coefficients = true;
+ global_flags.ycbcr_auto_coefficients = false;
} else if (output_ycbcr_coefficients == "rec601") {
global_flags.ycbcr_rec709_coefficients = false;
+ global_flags.ycbcr_auto_coefficients = false;
} else {
fprintf(stderr, "ERROR: --output-ycbcr-coefficients must be “rec601”, “rec709” or “auto”\n");
exit(1);
if (global_flags.max_input_queue_frames > 10) {
fprintf(stderr, "WARNING: --max-input-queue-frames has little effect over 10.\n");
}
+
+ if (!isinf(global_flags.x264_crf)) { // CRF mode is selected.
+ if (global_flags.x264_bitrate != -1) {
+ fprintf(stderr, "ERROR: --x264-bitrate and --x264-crf are mutually incompatible.\n");
+ exit(1);
+ }
+ if (global_flags.x264_vbv_max_bitrate != -1 && global_flags.x264_vbv_buffer_size != -1) {
+ fprintf(stderr, "WARNING: VBV settings are ignored with --x264-crf.\n");
+ }
+ } else if (global_flags.x264_bitrate == -1) {
+ global_flags.x264_bitrate = DEFAULT_X264_OUTPUT_BIT_RATE;
+ }
}