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Add -write-first-frame-ts switch

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Add -write-first-frame-ts switch that creates a .ts file next to the output
file with values from CLOCK_MONOTONIC and CLOCK_REALTIME corresponding to the
first frame to be able to synchronize video with other timestamped data.
This commit is contained in:
Victor Nova
2026-01-27 10:27:36 -05:00
committed by dec05eba
parent f4ee71a094
commit 144b481526
6 changed files with 100 additions and 3 deletions
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8
src/args_parser.c
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@@ -196,7 +196,7 @@ static void usage_header(void) {
"[-bm auto|qp|vbr|cbr] [-cr limited|full] [-tune performance|quality] [-df yes|no] [-sc <script_path>] [-p <plugin_path>] "
"[-cursor yes|no] [-keyint <value>] [-restore-portal-session yes|no] [-portal-session-token-filepath filepath] [-encoder gpu|cpu] "
"[-fallback-cpu-encoding yes|no] [-o <output_file>] [-ro <output_directory>] [-ffmpeg-opts <options>] [--list-capture-options [card_path]] "
"[--list-audio-devices] [--list-application-audio] [--list-v4l2-devices] [-low-power yes|no] [-v yes|no] [-gl-debug yes|no] [--version] [-h|--help]\n", program_name);
"[--list-audio-devices] [--list-application-audio] [--list-v4l2-devices] [-write-first-frame-ts yes|no] [-low-power yes|no] [-v yes|no] [-gl-debug yes|no] [--version] [-h|--help]\n", program_name);
fflush(stdout);
}
@@ -255,6 +255,7 @@ static bool args_parser_set_values(args_parser *self) {
self->restart_replay_on_save = args_get_boolean_by_key(self->args, NUM_ARGS, "-restart-replay-on-save", false);
self->overclock = args_get_boolean_by_key(self->args, NUM_ARGS, "-oc", false);
self->fallback_cpu_encoding = args_get_boolean_by_key(self->args, NUM_ARGS, "-fallback-cpu-encoding", false);
self->write_first_frame_ts = args_get_boolean_by_key(self->args, NUM_ARGS, "-write-first-frame-ts", false);
self->low_power = args_get_boolean_by_key(self->args, NUM_ARGS, "-low-power", false);
self->audio_bitrate = args_get_i64_by_key(self->args, NUM_ARGS, "-ab", 0);
@@ -432,6 +433,10 @@ static bool args_parser_set_values(args_parser *self) {
self->is_output_piped = strcmp(self->filename, "/dev/stdout") == 0;
self->low_latency_recording = self->is_livestream || self->is_output_piped;
if(self->write_first_frame_ts && (self->is_livestream || self->is_output_piped)) {
fprintf(stderr, "gsr warning: -write-first-frame-ts is ignored for livestreaming or when output is piped\n");
self->write_first_frame_ts = false;
}
self->replay_recording_directory = args_get_value_by_key(self->args, NUM_ARGS, "-ro");
@@ -536,6 +541,7 @@ bool args_parser_parse(args_parser *self, int argc, char **argv, const args_hand
self->args[arg_index++] = (Arg){ .key = "-ffmpeg-opts", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-ffmpeg-video-opts", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-ffmpeg-audio-opts", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-write-first-frame-ts", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-low-power", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
assert(arg_index == NUM_ARGS);