X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=nageru%2Fflags.cpp;h=965cdc7402d5aeac372fbadc9e618f7dacb4037e;hp=3c1575589b6a33169e1f922c9eb726fd55218188;hb=e2b654d6a8cc8c64142a9a8ef8bcd82e9d9a9289;hpb=0a087eeaf663c3f7b1d9431c725fcae10f60d732 diff --git a/nageru/flags.cpp b/nageru/flags.cpp index 3c15755..965cdc7 100644 --- a/nageru/flags.cpp +++ b/nageru/flags.cpp @@ -51,6 +51,11 @@ enum LongOption { OPTION_HTTP_PORT, OPTION_SRT_PORT, OPTION_NO_SRT, + OPTION_SRT_DESTINATION, + OPTION_SRT_STREAMID, + OPTION_SRT_PASSPHRASE, + OPTION_SRT_YOUTUBE_STREAM_KEY, + OPTION_SRT_LATENCY, OPTION_NO_TRANSCODE_VIDEO, OPTION_NO_TRANSCODE_AUDIO, OPTION_DISABLE_AUDIO, @@ -186,7 +191,7 @@ void usage(Program program) fprintf(stderr, " --x264-separate-disk-param=NAME[,VALUE] set any x264 parameter, for fine tuning\n"); } #ifdef HAVE_AV1 - fprintf(stderr, " --http-av1-video send AV1-compressed video to HTTP clients\n"); + fprintf(stderr, " --http-av1-video send AV1-compressed video to HTTP clients and SRT output\n"); fprintf(stderr, " --av1-preset SVT-AV1 quality preset (default %d, from -2 to 13)\n", DEFAULT_AV1_PRESET); fprintf(stderr, " --av1-bitrate AV1 bitrate (in kilobit/sec, default %d)\n", @@ -196,9 +201,9 @@ void usage(Program program) fprintf(stderr, " --av1-param=NAME[,VALUE] set any SVT-AV1 parameter, for fine tuning\n"); #endif 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, " --http-audio-codec=NAME audio codec to use for HTTP streams and SRT output\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, " --http-audio-bitrate=KBITS audio codec bit rate to use for HTTP streams and SRT output\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"); @@ -216,6 +221,15 @@ void usage(Program program) fprintf(stderr, " --disable-audio do not include any audio in the stream\n"); } if (program == PROGRAM_NAGERU) { +#ifdef HAVE_SRT + fprintf(stderr, " --srt-destination=HOST:PORT send HTTP video stream also to given destination\n"); + fprintf(stderr, " --srt-streamid=STREAMID SRT stream identifying ID\n"); + fprintf(stderr, " --srt-passphrase=PASSPHRASE SRT encryption key\n"); + fprintf(stderr, " --srt-youtube-stream-key=KEY shortcut for --srt-destination=a.srt.youtube.com:2010\n"); + fprintf(stderr, " --srt-streamid=#!::u=,copy=0,encoder=Nageru\n"); + fprintf(stderr, " --srt-latency=MS output SRT latency in milliseconds (default is %d)\n", DEFAULT_SRT_OUTPUT_LATENCY_MS); + fprintf(stderr, " --srt-streamid=#!::u=,copy=0,encoder=Nageru\n"); +#endif 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"); @@ -306,6 +320,13 @@ void parse_flags(Program program, int argc, char * const argv[]) { "srt-port", required_argument, 0, OPTION_SRT_PORT }, #endif { "no-srt", no_argument, 0, OPTION_NO_SRT }, // We silently allow this even without HAVE_SRT. +#ifdef HAVE_SRT + { "srt-destination", required_argument, 0, OPTION_SRT_DESTINATION }, + { "srt-streamid", required_argument, 0, OPTION_SRT_STREAMID }, + { "srt-passphrase", required_argument, 0, OPTION_SRT_PASSPHRASE }, + { "srt-youtube-stream-key", required_argument, 0, OPTION_SRT_YOUTUBE_STREAM_KEY }, + { "srt-latency", required_argument, 0, OPTION_SRT_LATENCY }, +#endif { "no-transcode-video", no_argument, 0, OPTION_NO_TRANSCODE_VIDEO }, { "no-transcode-audio", no_argument, 0, OPTION_NO_TRANSCODE_AUDIO }, { "disable-audio", no_argument, 0, OPTION_DISABLE_AUDIO }, @@ -446,6 +467,37 @@ void parse_flags(Program program, int argc, char * const argv[]) case OPTION_NO_SRT: global_flags.srt_port = -1; break; +#ifdef HAVE_SRT + case OPTION_SRT_DESTINATION: { + const char *ptr = strrchr(optarg, ':'); + if (ptr == nullptr || strlen(optarg) < 3) { + fprintf(stderr, "ERROR: --srt-destination must be of the form host:port\n"); + exit(1); + } + global_flags.srt_destination_host = string(optarg, ptr - optarg); + if (global_flags.srt_destination_host[0] == '[' && + global_flags.srt_destination_host.back() == ']') { + // Support [IPv6]:port, in a sort of hackish way. + global_flags.srt_destination_host = global_flags.srt_destination_host.substr(1, global_flags.srt_destination_host.size() - 2); + } + global_flags.srt_destination_port = ptr + 1; + break; + } + case OPTION_SRT_STREAMID: + global_flags.srt_streamid = optarg; + break; + case OPTION_SRT_PASSPHRASE: + global_flags.srt_passphrase = optarg; + break; + case OPTION_SRT_YOUTUBE_STREAM_KEY: + global_flags.srt_destination_host = "a.srt.youtube.com"; + global_flags.srt_destination_port = "2010"; + global_flags.srt_streamid = string("#!::u=") + optarg + ",copy=0,encoder=Nageru " NAGERU_VERSION; + break; + case OPTION_SRT_LATENCY: + global_flags.srt_output_latency = atoi(optarg); + break; +#endif case OPTION_NO_TRANSCODE_VIDEO: global_flags.transcode_video = false; break; @@ -831,4 +883,9 @@ void parse_flags(Program program, int argc, char * const argv[]) global_flags.card_to_mjpeg_stream_export[card_idx] = card_idx; } } + + if (global_flags.srt_destination_host == "a.srt.youtube.com" && global_flags.srt_passphrase.empty()) { + fprintf(stderr, "ERROR: Cannot stream to YouTube without --srt-passphrase (get it from the YouTube streaming console)\n"); + exit(1); + } }