+++ /dev/null
-#include "flags.h"
-
-#include <getopt.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <utility>
-
-using namespace std;
-
-Flags global_flags;
-
-// Long options that have no corresponding short option.
-enum LongOption {
- OPTION_HELP = 1000,
- OPTION_FULLSCREEN,
- OPTION_MULTICHANNEL,
- OPTION_MIDI_MAPPING,
- OPTION_DEFAULT_HDMI_INPUT,
- 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_HTTP_MUX,
- OPTION_HTTP_COARSE_TIMEBASE,
- OPTION_HTTP_AUDIO_CODEC,
- OPTION_HTTP_AUDIO_BITRATE,
- OPTION_HTTP_PORT,
- OPTION_NO_TRANSCODE_AUDIO,
- OPTION_FLAT_AUDIO,
- OPTION_GAIN_STAGING,
- OPTION_DISABLE_LOCUT,
- OPTION_ENABLE_LOCUT,
- OPTION_DISABLE_GAIN_STAGING_AUTO,
- OPTION_ENABLE_GAIN_STAGING_AUTO,
- OPTION_DISABLE_COMPRESSOR,
- OPTION_ENABLE_COMPRESSOR,
- OPTION_DISABLE_LIMITER,
- OPTION_ENABLE_LIMITER,
- OPTION_DISABLE_MAKEUP_GAIN_AUTO,
- OPTION_ENABLE_MAKEUP_GAIN_AUTO,
- OPTION_DISABLE_ALSA_OUTPUT,
- OPTION_NO_FLUSH_PBOS,
- OPTION_PRINT_VIDEO_LATENCY,
- OPTION_MAX_INPUT_QUEUE_FRAMES,
- OPTION_AUDIO_QUEUE_LENGTH_MS,
- OPTION_OUTPUT_YCBCR_COEFFICIENTS,
- OPTION_OUTPUT_BUFFER_FRAMES,
- OPTION_OUTPUT_SLOP_FRAMES,
- OPTION_TIMECODE_STREAM,
- OPTION_TIMECODE_STDOUT,
- OPTION_QUICK_CUT_KEYS,
- OPTION_10_BIT_INPUT,
- OPTION_10_BIT_OUTPUT,
- OPTION_INPUT_YCBCR_INTERPRETATION,
-};
-
-void usage(Program program)
-{
- if (program == PROGRAM_KAERU) {
- fprintf(stderr, "Usage: kaeru [OPTION]... SOURCE_URL\n");
- } else {
- fprintf(stderr, "Usage: nageru [OPTION]...\n");
- }
- fprintf(stderr, "\n");
- fprintf(stderr, " --help print usage information\n");
- if (program == PROGRAM_NAGERU) {
- fprintf(stderr, " --fullscreen run in full screen, with no decorations\n");
- }
- fprintf(stderr, " -w, --width output width in pixels (default 1280)\n");
- fprintf(stderr, " -h, --height output height in pixels (default 720)\n");
- if (program == PROGRAM_NAGERU) {
- fprintf(stderr, " -c, --num-cards set number of input cards (default 2)\n");
- fprintf(stderr, " -o, --output-card=CARD also output signal to the given card (default none)\n");
- fprintf(stderr, " -t, --theme=FILE choose theme (default theme.lua)\n");
- fprintf(stderr, " -I, --theme-dir=DIR search for theme in this directory (can be given multiple times)\n");
- fprintf(stderr, " -r, --recording-dir=DIR where to store disk recording\n");
- fprintf(stderr, " -v, --va-display=SPEC VA-API device for H.264 encoding\n");
- fprintf(stderr, " ($DISPLAY spec or /dev/dri/render* path)\n");
- fprintf(stderr, " -m, --map-signal=SIGNAL,CARD set a default card mapping (can be given multiple times)\n");
- fprintf(stderr, " -M, --input-mapping=FILE start with the given audio input mapping (implies --multichannel)\n");
- fprintf(stderr, " --multichannel start in multichannel audio mapping mode\n");
- fprintf(stderr, " --midi-mapping=FILE start with the given MIDI controller mapping (implies --multichannel)\n");
- fprintf(stderr, " --default-hdmi-input default to HDMI over SDI inputs for cards that have both\n");
- 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, " 0 = no limit, default: same as --x264-bitrate, i.e., CBR)\n");
- fprintf(stderr, " --x264-param=NAME[,VALUE] set any x264 parameter, for fine tuning\n");
- fprintf(stderr, " --http-mux=NAME mux to use for HTTP streams (default " DEFAULT_STREAM_MUX_NAME ")\n");
- fprintf(stderr, " --http-audio-codec=NAME audio codec to use for HTTP streams\n");
- fprintf(stderr, " (default is to use the same as for the recording)\n");
- fprintf(stderr, " --http-audio-bitrate=KBITS audio codec bit rate to use for HTTP streams\n");
- fprintf(stderr, " (default is %d, ignored unless --http-audio-codec is set)\n",
- DEFAULT_AUDIO_OUTPUT_BIT_RATE / 1000);
- fprintf(stderr, " --http-port=PORT which port to use for the built-in HTTP server\n");
- fprintf(stderr, " (default is %d)\n", DEFAULT_HTTPD_PORT);
- if (program == PROGRAM_KAERU) {
- fprintf(stderr, " --no-transcode-audio copy encoded audio raw from the source stream\n");
- fprintf(stderr, " (requires --http-audio-codec= to be set)\n");
- }
- if (program == PROGRAM_NAGERU) {
- fprintf(stderr, " --flat-audio start with most audio processing turned off\n");
- fprintf(stderr, " (can be overridden by e.g. --enable-limiter)\n");
- fprintf(stderr, " --gain-staging=DB set initial gain staging to the given value\n");
- fprintf(stderr, " (--disable-gain-staging-auto)\n");
- fprintf(stderr, " --disable-locut turn off locut filter (also --enable)\n");
- fprintf(stderr, " --disable-gain-staging-auto turn off automatic gain staging (also --enable)\n");
- fprintf(stderr, " --disable-compressor turn off regular compressor (also --enable)\n");
- fprintf(stderr, " --disable-limiter turn off limiter (also --enable)\n");
- fprintf(stderr, " --disable-makeup-gain-auto turn off auto-adjustment of final makeup gain (also --enable)\n");
- fprintf(stderr, " --disable-alsa-output disable audio monitoring via ALSA\n");
- fprintf(stderr, " --no-flush-pbos do not explicitly signal texture data uploads\n");
- fprintf(stderr, " (will give display corruption, but makes it\n");
- fprintf(stderr, " possible to run with apitrace in real time)\n");
- fprintf(stderr, " --print-video-latency print out measurements of video latency on stdout\n");
- fprintf(stderr, " --max-input-queue-frames=FRAMES never keep more than FRAMES frames for each card\n");
- fprintf(stderr, " (default 6, minimum 1)\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 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, " --output-slop-frames=NUM if more less than this number of frames behind for\n");
- fprintf(stderr, " --output-card, try to submit anyway instead of\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, " --quick-cut-keys enable direct cutting by Q, W, E, ... keys\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");
- fprintf(stderr, " --input-ycbcr-interpretation=CARD,{rec601,rec709,auto}[,{limited,full}]\n");
- fprintf(stderr, " Y'CbCr coefficient standard of card CARD (default auto)\n");
- fprintf(stderr, " auto is rec601 for SD, rec709 for HD, always limited\n");
- fprintf(stderr, " limited means standard 0-240/0-235 input range (for 8-bit)\n");
- }
-}
-
-void parse_flags(Program program, int argc, char * const argv[])
-{
- static const option long_options[] = {
- { "help", no_argument, 0, OPTION_HELP },
- { "fullscreen", no_argument, 0, OPTION_FULLSCREEN },
- { "width", required_argument, 0, 'w' },
- { "height", required_argument, 0, 'h' },
- { "num-cards", required_argument, 0, 'c' },
- { "output-card", required_argument, 0, 'o' },
- { "theme", required_argument, 0, 't' },
- { "theme-dir", required_argument, 0, 'I' },
- { "recording-dir", required_argument, 0, 'r' },
- { "map-signal", required_argument, 0, 'm' },
- { "input-mapping", required_argument, 0, 'M' },
- { "va-display", required_argument, 0, 'v' },
- { "multichannel", no_argument, 0, OPTION_MULTICHANNEL },
- { "midi-mapping", required_argument, 0, OPTION_MIDI_MAPPING },
- { "default-hdmi-input", no_argument, 0, OPTION_DEFAULT_HDMI_INPUT },
- { "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 },
- { "http-mux", required_argument, 0, OPTION_HTTP_MUX },
- { "http-audio-codec", required_argument, 0, OPTION_HTTP_AUDIO_CODEC },
- { "http-audio-bitrate", required_argument, 0, OPTION_HTTP_AUDIO_BITRATE },
- { "http-port", required_argument, 0, OPTION_HTTP_PORT },
- { "no-transcode-audio", no_argument, 0, OPTION_NO_TRANSCODE_AUDIO },
- { "flat-audio", no_argument, 0, OPTION_FLAT_AUDIO },
- { "gain-staging", required_argument, 0, OPTION_GAIN_STAGING },
- { "disable-locut", no_argument, 0, OPTION_DISABLE_LOCUT },
- { "enable-locut", no_argument, 0, OPTION_ENABLE_LOCUT },
- { "disable-gain-staging-auto", no_argument, 0, OPTION_DISABLE_GAIN_STAGING_AUTO },
- { "enable-gain-staging-auto", no_argument, 0, OPTION_ENABLE_GAIN_STAGING_AUTO },
- { "disable-compressor", no_argument, 0, OPTION_DISABLE_COMPRESSOR },
- { "enable-compressor", no_argument, 0, OPTION_ENABLE_COMPRESSOR },
- { "disable-limiter", no_argument, 0, OPTION_DISABLE_LIMITER },
- { "enable-limiter", no_argument, 0, OPTION_ENABLE_LIMITER },
- { "disable-makeup-gain-auto", no_argument, 0, OPTION_DISABLE_MAKEUP_GAIN_AUTO },
- { "enable-makeup-gain-auto", no_argument, 0, OPTION_ENABLE_MAKEUP_GAIN_AUTO },
- { "disable-alsa-output", no_argument, 0, OPTION_DISABLE_ALSA_OUTPUT },
- { "no-flush-pbos", no_argument, 0, OPTION_NO_FLUSH_PBOS },
- { "print-video-latency", no_argument, 0, OPTION_PRINT_VIDEO_LATENCY },
- { "max-input-queue-frames", required_argument, 0, OPTION_MAX_INPUT_QUEUE_FRAMES },
- { "audio-queue-length-ms", required_argument, 0, OPTION_AUDIO_QUEUE_LENGTH_MS },
- { "output-ycbcr-coefficients", required_argument, 0, OPTION_OUTPUT_YCBCR_COEFFICIENTS },
- { "output-buffer-frames", required_argument, 0, OPTION_OUTPUT_BUFFER_FRAMES },
- { "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 },
- { "quick-cut-keys", no_argument, 0, OPTION_QUICK_CUT_KEYS },
- { "10-bit-input", no_argument, 0, OPTION_10_BIT_INPUT },
- { "10-bit-output", no_argument, 0, OPTION_10_BIT_OUTPUT },
- { "input-ycbcr-interpretation", required_argument, 0, OPTION_INPUT_YCBCR_INTERPRETATION },
- { 0, 0, 0, 0 }
- };
- vector<string> theme_dirs;
- string output_ycbcr_coefficients = "auto";
- for ( ;; ) {
- int option_index = 0;
- int c = getopt_long(argc, argv, "c:t:I:r:v:m:M:w:h:", long_options, &option_index);
-
- if (c == -1) {
- break;
- }
- switch (c) {
- case 'w':
- global_flags.width = atoi(optarg);
- break;
- case 'h':
- global_flags.height = atoi(optarg);
- break;
- case 'c':
- global_flags.num_cards = atoi(optarg);
- break;
- case 'o':
- global_flags.output_card = atoi(optarg);
- break;
- case 't':
- global_flags.theme_filename = optarg;
- break;
- case 'I':
- theme_dirs.push_back(optarg);
- break;
- case 'r':
- global_flags.recording_dir = optarg;
- break;
- case 'm': {
- char *ptr = strchr(optarg, ',');
- if (ptr == nullptr) {
- fprintf(stderr, "ERROR: Invalid argument '%s' to --map-signal (needs a signal and a card number, separated by comma)\n", optarg);
- exit(1);
- }
- *ptr = '\0';
- const int signal_num = atoi(optarg);
- const int card_num = atoi(ptr + 1);
- if (global_flags.default_stream_mapping.count(signal_num)) {
- fprintf(stderr, "ERROR: Signal %d already mapped to card %d\n",
- signal_num, global_flags.default_stream_mapping[signal_num]);
- exit(1);
- }
- global_flags.default_stream_mapping[signal_num] = card_num;
- break;
- }
- case 'M':
- global_flags.input_mapping_filename = optarg;
- break;
- case OPTION_MULTICHANNEL:
- global_flags.multichannel_mapping_mode = true;
- break;
- case 'v':
- global_flags.va_display = optarg;
- break;
- case OPTION_MIDI_MAPPING:
- global_flags.midi_mapping_filename = optarg;
- global_flags.multichannel_mapping_mode = true;
- break;
- case OPTION_DEFAULT_HDMI_INPUT:
- global_flags.default_hdmi_input = true;
- break;
- case OPTION_FAKE_CARDS_AUDIO:
- global_flags.fake_cards_audio = true;
- break;
- case OPTION_HTTP_UNCOMPRESSED_VIDEO:
- global_flags.uncompressed_video_to_http = true;
- break;
- case OPTION_HTTP_MUX:
- global_flags.stream_mux_name = optarg;
- break;
- case OPTION_HTTP_AUDIO_CODEC:
- global_flags.stream_audio_codec_name = optarg;
- break;
- case OPTION_HTTP_AUDIO_BITRATE:
- global_flags.stream_audio_codec_bitrate = atoi(optarg) * 1000;
- break;
- case OPTION_HTTP_PORT:
- global_flags.http_port = atoi(optarg);
- break;
- case OPTION_NO_TRANSCODE_AUDIO:
- global_flags.transcode_audio = false;
- break;
- 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_TUNE:
- global_flags.x264_tune = optarg;
- break;
- case OPTION_X264_SPEEDCONTROL:
- global_flags.x264_speedcontrol = true;
- break;
- case OPTION_X264_SPEEDCONTROL_VERBOSE:
- global_flags.x264_speedcontrol_verbose = true;
- 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_X264_VBV_MAX_BITRATE:
- global_flags.x264_vbv_max_bitrate = atoi(optarg);
- break;
- case OPTION_X264_PARAM:
- global_flags.x264_extra_param.push_back(optarg);
- break;
- case OPTION_FLAT_AUDIO:
- // If --flat-audio is given, turn off everything that messes with the sound,
- // except the final makeup gain.
- global_flags.locut_enabled = false;
- global_flags.gain_staging_auto = false;
- global_flags.compressor_enabled = false;
- global_flags.limiter_enabled = false;
- break;
- case OPTION_GAIN_STAGING:
- global_flags.initial_gain_staging_db = atof(optarg);
- global_flags.gain_staging_auto = false;
- break;
- case OPTION_DISABLE_LOCUT:
- global_flags.locut_enabled = false;
- break;
- case OPTION_ENABLE_LOCUT:
- global_flags.locut_enabled = true;
- break;
- case OPTION_DISABLE_GAIN_STAGING_AUTO:
- global_flags.gain_staging_auto = false;
- break;
- case OPTION_ENABLE_GAIN_STAGING_AUTO:
- global_flags.gain_staging_auto = true;
- break;
- case OPTION_DISABLE_COMPRESSOR:
- global_flags.compressor_enabled = false;
- break;
- case OPTION_ENABLE_COMPRESSOR:
- global_flags.compressor_enabled = true;
- break;
- case OPTION_DISABLE_LIMITER:
- global_flags.limiter_enabled = false;
- break;
- case OPTION_ENABLE_LIMITER:
- global_flags.limiter_enabled = true;
- break;
- case OPTION_DISABLE_MAKEUP_GAIN_AUTO:
- global_flags.final_makeup_gain_auto = false;
- break;
- case OPTION_ENABLE_MAKEUP_GAIN_AUTO:
- global_flags.final_makeup_gain_auto = true;
- break;
- case OPTION_DISABLE_ALSA_OUTPUT:
- global_flags.enable_alsa_output = false;
- break;
- case OPTION_NO_FLUSH_PBOS:
- global_flags.flush_pbos = false;
- break;
- case OPTION_PRINT_VIDEO_LATENCY:
- global_flags.print_video_latency = true;
- break;
- case OPTION_MAX_INPUT_QUEUE_FRAMES:
- global_flags.max_input_queue_frames = atoi(optarg);
- break;
- case OPTION_AUDIO_QUEUE_LENGTH_MS:
- global_flags.audio_queue_length_ms = atof(optarg);
- break;
- case OPTION_OUTPUT_YCBCR_COEFFICIENTS:
- output_ycbcr_coefficients = optarg;
- break;
- case OPTION_OUTPUT_BUFFER_FRAMES:
- global_flags.output_buffer_frames = atof(optarg);
- break;
- case OPTION_OUTPUT_SLOP_FRAMES:
- global_flags.output_slop_frames = atof(optarg);
- break;
- case OPTION_TIMECODE_STREAM:
- global_flags.display_timecode_in_stream = true;
- break;
- case OPTION_TIMECODE_STDOUT:
- global_flags.display_timecode_on_stdout = true;
- break;
- case OPTION_QUICK_CUT_KEYS:
- global_flags.enable_quick_cut_keys = 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_INPUT_YCBCR_INTERPRETATION: {
- char *ptr = strchr(optarg, ',');
- if (ptr == nullptr) {
- fprintf(stderr, "ERROR: Invalid argument '%s' to --input-ycbcr-interpretation (needs a card and an interpretation, separated by comma)\n", optarg);
- exit(1);
- }
- *ptr = '\0';
- const int card_num = atoi(optarg);
- if (card_num < 0 || card_num >= MAX_VIDEO_CARDS) {
- fprintf(stderr, "ERROR: Invalid card number %d\n", card_num);
- exit(1);
- }
-
- YCbCrInterpretation interpretation;
- char *interpretation_str = ptr + 1;
- ptr = strchr(interpretation_str, ',');
- if (ptr != nullptr) {
- *ptr = '\0';
- const char *range = ptr + 1;
- if (strcmp(range, "full") == 0) {
- interpretation.full_range = true;
- } else if (strcmp(range, "limited") == 0) {
- interpretation.full_range = false;
- } else {
- fprintf(stderr, "ERROR: Invalid Y'CbCr range '%s' (must be “full” or “limited”)\n", range);
- exit(1);
- }
- }
-
- if (strcmp(interpretation_str, "rec601") == 0) {
- interpretation.ycbcr_coefficients_auto = false;
- interpretation.ycbcr_coefficients = movit::YCBCR_REC_601;
- } else if (strcmp(interpretation_str, "rec709") == 0) {
- interpretation.ycbcr_coefficients_auto = false;
- interpretation.ycbcr_coefficients = movit::YCBCR_REC_709;
- } else if (strcmp(interpretation_str, "auto") == 0) {
- interpretation.ycbcr_coefficients_auto = true;
- if (interpretation.full_range) {
- fprintf(stderr, "ERROR: Cannot use “auto” Y'CbCr coefficients with full range\n");
- exit(1);
- }
- } else {
- fprintf(stderr, "ERROR: Invalid Y'CbCr coefficients '%s' (must be “rec601”, “rec709” or “auto”)\n", interpretation_str);
- exit(1);
- }
- global_flags.ycbcr_interpretation[card_num] = interpretation;
- break;
- }
- case OPTION_FULLSCREEN:
- global_flags.fullscreen = true;
- break;
- case OPTION_HELP:
- usage(program);
- exit(0);
- default:
- fprintf(stderr, "Unknown option '%s'\n", argv[option_index]);
- fprintf(stderr, "\n");
- usage(program);
- exit(1);
- }
- }
-
- if (global_flags.uncompressed_video_to_http &&
- global_flags.x264_video_to_http) {
- fprintf(stderr, "ERROR: --http-uncompressed-video and --http-x264-video are mutually incompatible\n");
- exit(1);
- }
- if (global_flags.num_cards <= 0) {
- fprintf(stderr, "ERROR: --num-cards must be at least 1\n");
- exit(1);
- }
- if (global_flags.output_card < -1 ||
- global_flags.output_card >= global_flags.num_cards) {
- fprintf(stderr, "ERROR: --output-card points to a nonexistant card\n");
- exit(1);
- }
- if (!global_flags.transcode_audio && global_flags.stream_audio_codec_name.empty()) {
- fprintf(stderr, "ERROR: If not transcoding audio, you must specify ahead-of-time what audio codec is in use\n");
- fprintf(stderr, " (using --http-audio-codec).\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;
- }
- if (!theme_dirs.empty()) {
- global_flags.theme_dirs = theme_dirs;
- }
-
- // In reality, we could probably do with any even value (we subsample
- // by two in some places), but it's better to be on the safe side
- // wrt. video codecs and such. (I'd set 16 if I could, but 1080 isn't
- // divisible by 16.)
- if (global_flags.width <= 0 || (global_flags.width % 8) != 0 ||
- global_flags.height <= 0 || (global_flags.height % 8) != 0) {
- fprintf(stderr, "ERROR: --width and --height must be positive integers divisible by 8\n");
- exit(1);
- }
-
- 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",
- mapping.first, mapping.second);
- exit(1);
- }
- }
-
- // Rec. 709 would be the sane thing to do, but it seems many players
- // just default to BT.601 coefficients no matter what. We _do_ set
- // the right flags, so that a player that works properly doesn't have
- // to guess, but it's frequently ignored. See discussions
- // in e.g. https://trac.ffmpeg.org/ticket/4978; the situation with
- // browsers is complicated and depends on things like hardware acceleration
- // (https://bugs.chromium.org/p/chromium/issues/detail?id=333619 for
- // extensive discussion). VLC generally fixed this as part of 3.0.0
- // (see e.g. https://github.com/videolan/vlc/commit/bc71288b2e38c07d6921472824b92eef1aa85f7e
- // and https://github.com/videolan/vlc/commit/c3fc2683a9cde1d42674ebf9935dced05733a215),
- // but earlier versions were pretty random.
- //
- // 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 if it is active, but the user can override this.
- if (output_ycbcr_coefficients == "auto") {
- // 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.output_buffer_frames < 0.0f) {
- // Actually, even zero probably won't make sense; there is some internal
- // delay to the card.
- fprintf(stderr, "ERROR: --output-buffer-frames can't be negative.\n");
- exit(1);
- }
- if (global_flags.output_slop_frames < 0.0f) {
- fprintf(stderr, "ERROR: --output-slop-frames can't be negative.\n");
- exit(1);
- }
- if (global_flags.max_input_queue_frames < 1) {
- fprintf(stderr, "ERROR: --max-input-queue-frames must be at least 1.\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;
- }
-}
projects / nageru / blobdiff