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gpu-screen-recorder/src/args_parser.c

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#include "../include/args_parser.h"
#include "../include/defs.h"
#include "../include/egl.h"
#include "../include/window/window.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <limits.h>
#include <assert.h>
#include <errno.h>
#include <libgen.h>
#include <sys/stat.h>
#ifndef GSR_VERSION
#define GSR_VERSION "unknown"
#endif
static const ArgEnum video_codec_enums[] = {
{ .name = "auto", .value = GSR_VIDEO_CODEC_AUTO },
{ .name = "h264", .value = GSR_VIDEO_CODEC_H264 },
{ .name = "h265", .value = GSR_VIDEO_CODEC_HEVC },
{ .name = "hevc", .value = GSR_VIDEO_CODEC_HEVC },
{ .name = "hevc_hdr", .value = GSR_VIDEO_CODEC_HEVC_HDR },
{ .name = "hevc_10bit", .value = GSR_VIDEO_CODEC_HEVC_10BIT },
{ .name = "av1", .value = GSR_VIDEO_CODEC_AV1 },
{ .name = "av1_hdr", .value = GSR_VIDEO_CODEC_AV1_HDR },
{ .name = "av1_10bit", .value = GSR_VIDEO_CODEC_AV1_10BIT },
{ .name = "vp8", .value = GSR_VIDEO_CODEC_VP8 },
{ .name = "vp9", .value = GSR_VIDEO_CODEC_VP9 },
};
static const ArgEnum audio_codec_enums[] = {
{ .name = "opus", .value = GSR_AUDIO_CODEC_OPUS },
{ .name = "aac", .value = GSR_AUDIO_CODEC_AAC },
{ .name = "flac", .value = GSR_AUDIO_CODEC_FLAC },
};
static const ArgEnum video_encoder_enums[] = {
{ .name = "gpu", .value = GSR_VIDEO_ENCODER_HW_GPU },
{ .name = "cpu", .value = GSR_VIDEO_ENCODER_HW_CPU },
};
static const ArgEnum pixel_format_enums[] = {
{ .name = "yuv420", .value = GSR_PIXEL_FORMAT_YUV420 },
{ .name = "yuv444", .value = GSR_PIXEL_FORMAT_YUV444 },
};
static const ArgEnum framerate_mode_enums[] = {
{ .name = "vfr", .value = GSR_FRAMERATE_MODE_VARIABLE },
{ .name = "cfr", .value = GSR_FRAMERATE_MODE_CONSTANT },
{ .name = "content", .value = GSR_FRAMERATE_MODE_CONTENT },
};
static const ArgEnum bitrate_mode_enums[] = {
{ .name = "auto", .value = GSR_BITRATE_MODE_AUTO },
{ .name = "qp", .value = GSR_BITRATE_MODE_QP },
{ .name = "cbr", .value = GSR_BITRATE_MODE_CBR },
{ .name = "vbr", .value = GSR_BITRATE_MODE_VBR },
};
static const ArgEnum color_range_enums[] = {
{ .name = "limited", .value = GSR_COLOR_RANGE_LIMITED },
{ .name = "full", .value = GSR_COLOR_RANGE_FULL },
};
static const ArgEnum tune_enums[] = {
{ .name = "performance", .value = GSR_TUNE_PERFORMANCE },
{ .name = "quality", .value = GSR_TUNE_QUALITY },
};
static const ArgEnum replay_storage_enums[] = {
{ .name = "ram", .value = GSR_REPLAY_STORAGE_RAM },
{ .name = "disk", .value = GSR_REPLAY_STORAGE_DISK },
};
static void arg_deinit(Arg *arg) {
if(arg->values) {
free(arg->values);
arg->values = NULL;
}
}
static bool arg_append_value(Arg *arg, const char *value) {
if(arg->num_values + 1 >= arg->capacity_num_values) {
const int new_capacity_num_values = arg->capacity_num_values == 0 ? 4 : arg->capacity_num_values*2;
void *new_data = realloc(arg->values, new_capacity_num_values * sizeof(const char*));
if(!new_data)
return false;
arg->values = new_data;
arg->capacity_num_values = new_capacity_num_values;
}
arg->values[arg->num_values] = value;
++arg->num_values;
return true;
}
static bool arg_get_enum_value_by_name(const Arg *arg, const char *name, int *enum_value) {
assert(arg->type == ARG_TYPE_ENUM);
assert(arg->enum_values);
for(int i = 0; i < arg->num_enum_values; ++i) {
if(strcmp(arg->enum_values[i].name, name) == 0) {
*enum_value = arg->enum_values[i].value;
return true;
}
}
return false;
}
static void arg_print_expected_enum_names(const Arg *arg) {
assert(arg->type == ARG_TYPE_ENUM);
assert(arg->enum_values);
for(int i = 0; i < arg->num_enum_values; ++i) {
if(i > 0) {
if(i == arg->num_enum_values -1)
fprintf(stderr, " or ");
else
fprintf(stderr, ", ");
}
fprintf(stderr, "'%s'", arg->enum_values[i].name);
}
}
static Arg* args_get_by_key(Arg *args, int num_args, const char *key) {
for(int i = 0; i < num_args; ++i) {
if(strcmp(args[i].key, key) == 0)
return &args[i];
}
return NULL;
}
static const char* args_get_value_by_key(Arg *args, int num_args, const char *key) {
for(int i = 0; i < num_args; ++i) {
if(strcmp(args[i].key, key) == 0) {
if(args[i].num_values == 0)
return NULL;
else
return args[i].values[0];
}
}
return NULL;
}
static bool args_get_boolean_by_key(Arg *args, int num_args, const char *key, bool default_value) {
Arg *arg = args_get_by_key(args, num_args, key);
assert(arg);
if(arg->num_values == 0) {
return default_value;
} else {
assert(arg->type == ARG_TYPE_BOOLEAN);
return arg->typed_value.boolean;
}
}
static int args_get_enum_by_key(Arg *args, int num_args, const char *key, int default_value) {
Arg *arg = args_get_by_key(args, num_args, key);
assert(arg);
if(arg->num_values == 0) {
return default_value;
} else {
assert(arg->type == ARG_TYPE_ENUM);
return arg->typed_value.enum_value;
}
}
static int64_t args_get_i64_by_key(Arg *args, int num_args, const char *key, int64_t default_value) {
Arg *arg = args_get_by_key(args, num_args, key);
assert(arg);
if(arg->num_values == 0) {
return default_value;
} else {
assert(arg->type == ARG_TYPE_I64);
return arg->typed_value.i64_value;
}
}
static double args_get_double_by_key(Arg *args, int num_args, const char *key, double default_value) {
Arg *arg = args_get_by_key(args, num_args, key);
assert(arg);
if(arg->num_values == 0) {
return default_value;
} else {
assert(arg->type == ARG_TYPE_DOUBLE);
return arg->typed_value.d_value;
}
}
static void usage_header(void) {
const bool inside_flatpak = getenv("FLATPAK_ID") != NULL;
const char *program_name = inside_flatpak ? "flatpak run --command=gpu-screen-recorder com.dec05eba.gpu_screen_recorder" : "gpu-screen-recorder";
printf("usage: %s -w <window_id|monitor|focused|portal|region|v4l2_device_path> [-c <container_format>] [-s WxH] [-region WxH+X+Y] [-f <fps>] [-a <audio_input>] "
"[-q <quality>] [-r <replay_buffer_size_sec>] [-replay-storage ram|disk] [-restart-replay-on-save yes|no] "
"[-k h264|hevc|av1|vp8|vp9|hevc_hdr|av1_hdr|hevc_10bit|av1_10bit] [-ac aac|opus|flac] [-ab <bitrate>] [-oc yes|no] [-fm cfr|vfr|content] "
"[-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] [-v yes|no] [-gl-debug yes|no] [--version] [-h|--help]\n", program_name);
fflush(stdout);
}
static void usage_full(void) {
const bool inside_flatpak = getenv("FLATPAK_ID") != NULL;
usage_header();
printf("\n");
printf("NOTES:\n");
if(inside_flatpak)
printf(" Run \"man /var/lib/flatpak/app/com.dec05eba.gpu_screen_recorder/current/active/files/share/man/man1/gpu-screen-recorder.1\" to open the man page for GPU Screen Recorder to see an explanation for each option and examples\n");
else
printf(" Run \"man gpu-screen-recorder.1\" to open the man page for GPU Screen Recorder to see an explanation for each option and examples\n");
fflush(stdout);
}
static void usage(void) {
usage_header();
}
// TODO: Does this match all livestreaming cases?
static bool is_livestream_path(const char *str) {
const int len = strlen(str);
if((len >= 7 && memcmp(str, "http://", 7) == 0) || (len >= 8 && memcmp(str, "https://", 8) == 0))
return true;
else if((len >= 7 && memcmp(str, "rtmp://", 7) == 0) || (len >= 8 && memcmp(str, "rtmps://", 8) == 0))
return true;
else if((len >= 7 && memcmp(str, "rtsp://", 7) == 0))
return true;
else if((len >= 6 && memcmp(str, "srt://", 6) == 0))
return true;
else if((len >= 6 && memcmp(str, "tcp://", 6) == 0))
return true;
else if((len >= 6 && memcmp(str, "udp://", 6) == 0))
return true;
else
return false;
}
static bool args_parser_set_values(args_parser *self) {
self->video_encoder = (gsr_video_encoder_hardware)args_get_enum_by_key(self->args, NUM_ARGS, "-encoder", GSR_VIDEO_ENCODER_HW_GPU);
self->pixel_format = (gsr_pixel_format)args_get_enum_by_key(self->args, NUM_ARGS, "-pixfmt", GSR_PIXEL_FORMAT_YUV420);
self->framerate_mode = (gsr_framerate_mode)args_get_enum_by_key(self->args, NUM_ARGS, "-fm", GSR_FRAMERATE_MODE_VARIABLE);
self->color_range = (gsr_color_range)args_get_enum_by_key(self->args, NUM_ARGS, "-cr", GSR_COLOR_RANGE_LIMITED);
self->tune = (gsr_tune)args_get_enum_by_key(self->args, NUM_ARGS, "-tune", GSR_TUNE_PERFORMANCE);
self->video_codec = (gsr_video_codec)args_get_enum_by_key(self->args, NUM_ARGS, "-k", GSR_VIDEO_CODEC_AUTO);
self->audio_codec = (gsr_audio_codec)args_get_enum_by_key(self->args, NUM_ARGS, "-ac", GSR_AUDIO_CODEC_OPUS);
self->bitrate_mode = (gsr_bitrate_mode)args_get_enum_by_key(self->args, NUM_ARGS, "-bm", GSR_BITRATE_MODE_AUTO);
self->replay_storage = (gsr_replay_storage)args_get_enum_by_key(self->args, NUM_ARGS, "-replay-storage", GSR_REPLAY_STORAGE_RAM);
self->capture_source = args_get_value_by_key(self->args, NUM_ARGS, "-w");
self->verbose = args_get_boolean_by_key(self->args, NUM_ARGS, "-v", true);
self->gl_debug = args_get_boolean_by_key(self->args, NUM_ARGS, "-gl-debug", false);
self->record_cursor = args_get_boolean_by_key(self->args, NUM_ARGS, "-cursor", true);
self->date_folders = args_get_boolean_by_key(self->args, NUM_ARGS, "-df", false);
self->restore_portal_session = args_get_boolean_by_key(self->args, NUM_ARGS, "-restore-portal-session", false);
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->audio_bitrate = args_get_i64_by_key(self->args, NUM_ARGS, "-ab", 0);
self->audio_bitrate *= 1000LL;
self->keyint = args_get_double_by_key(self->args, NUM_ARGS, "-keyint", 2.0);
if(self->audio_codec == GSR_AUDIO_CODEC_FLAC) {
fprintf(stderr, "gsr warning: flac audio codec is temporary disabled, using opus audio codec instead\n");
self->audio_codec = GSR_AUDIO_CODEC_OPUS;
}
self->portal_session_token_filepath = args_get_value_by_key(self->args, NUM_ARGS, "-portal-session-token-filepath");
if(self->portal_session_token_filepath) {
int len = strlen(self->portal_session_token_filepath);
if(len > 0 && self->portal_session_token_filepath[len - 1] == '/') {
fprintf(stderr, "gsr error: -portal-session-token-filepath should be a path to a file but it ends with a /: %s\n", self->portal_session_token_filepath);
return false;
}
}
self->recording_saved_script = args_get_value_by_key(self->args, NUM_ARGS, "-sc");
if(self->recording_saved_script) {
struct stat buf;
if(stat(self->recording_saved_script, &buf) == -1 || !S_ISREG(buf.st_mode)) {
fprintf(stderr, "gsr error: Script \"%s\" either doesn't exist or it's not a file\n", self->recording_saved_script);
usage();
return false;
}
if(!(buf.st_mode & S_IXUSR)) {
fprintf(stderr, "gsr error: Script \"%s\" is not executable\n", self->recording_saved_script);
usage();
return false;
}
}
const char *quality_str = args_get_value_by_key(self->args, NUM_ARGS, "-q");
self->video_quality = GSR_VIDEO_QUALITY_VERY_HIGH;
self->video_bitrate = 0;
if(self->bitrate_mode == GSR_BITRATE_MODE_CBR) {
if(!quality_str) {
fprintf(stderr, "gsr error: option '-q' is required when using '-bm cbr' option\n");
usage();
return false;
}
if(sscanf(quality_str, "%" PRIi64, &self->video_bitrate) != 1) {
fprintf(stderr, "gsr error: -q argument \"%s\" is not an integer value. When using '-bm cbr' option '-q' is expected to be an integer value\n", quality_str);
usage();
return false;
}
if(self->video_bitrate < 0) {
fprintf(stderr, "gsr error: -q is expected to be 0 or larger, got %" PRIi64 "\n", self->video_bitrate);
usage();
return false;
}
self->video_bitrate *= 1000LL;
} else {
if(!quality_str)
quality_str = "very_high";
if(strcmp(quality_str, "medium") == 0) {
self->video_quality = GSR_VIDEO_QUALITY_MEDIUM;
} else if(strcmp(quality_str, "high") == 0) {
self->video_quality = GSR_VIDEO_QUALITY_HIGH;
} else if(strcmp(quality_str, "very_high") == 0) {
self->video_quality = GSR_VIDEO_QUALITY_VERY_HIGH;
} else if(strcmp(quality_str, "ultra") == 0) {
self->video_quality = GSR_VIDEO_QUALITY_ULTRA;
} else {
fprintf(stderr, "gsr error: -q should either be 'medium', 'high', 'very_high' or 'ultra', got: '%s'\n", quality_str);
usage();
return false;
}
}
self->output_resolution = (vec2i){0, 0};
const char *output_resolution_str = args_get_value_by_key(self->args, NUM_ARGS, "-s");
if(output_resolution_str) {
if(sscanf(output_resolution_str, "%dx%d", &self->output_resolution.x, &self->output_resolution.y) != 2) {
fprintf(stderr, "gsr error: invalid value for option -s '%s', expected a value in format WxH\n", output_resolution_str);
usage();
return false;
}
if(self->output_resolution.x < 0 || self->output_resolution.y < 0) {
fprintf(stderr, "gsr error: invalid value for option -s '%s', expected width and height to be greater or equal to 0\n", output_resolution_str);
usage();
return false;
}
}
self->region_size = (vec2i){0, 0};
self->region_position = (vec2i){0, 0};
const char *region_str = args_get_value_by_key(self->args, NUM_ARGS, "-region");
if(region_str) {
if(sscanf(region_str, "%dx%d+%d+%d", &self->region_size.x, &self->region_size.y, &self->region_position.x, &self->region_position.y) != 4) {
fprintf(stderr, "gsr error: invalid value for option -region '%s', expected a value in format WxH+X+Y\n", region_str);
usage();
return false;
}
if(self->region_size.x < 0 || self->region_size.y < 0) {
fprintf(stderr, "gsr error: invalid value for option -region '%s', expected width and height to be greater or equal to 0\n", region_str);
usage();
return false;
}
}
self->fps = args_get_i64_by_key(self->args, NUM_ARGS, "-f", 60);
self->replay_buffer_size_secs = args_get_i64_by_key(self->args, NUM_ARGS, "-r", -1);
if(self->replay_buffer_size_secs != -1)
self->replay_buffer_size_secs += (int64_t)(self->keyint + 0.5); // Add a few seconds to account of lost packets because of non-keyframe packets skipped
self->container_format = args_get_value_by_key(self->args, NUM_ARGS, "-c");
if(self->container_format && strcmp(self->container_format, "mkv") == 0)
self->container_format = "matroska";
const bool is_replaying = self->replay_buffer_size_secs != -1;
self->is_livestream = false;
self->filename = args_get_value_by_key(self->args, NUM_ARGS, "-o");
if(self->filename) {
self->is_livestream = is_livestream_path(self->filename);
if(self->is_livestream) {
if(is_replaying) {
fprintf(stderr, "gsr error: replay mode is not applicable to live streaming\n");
return false;
}
} else {
if(!is_replaying) {
char directory_buf[PATH_MAX];
snprintf(directory_buf, sizeof(directory_buf), "%s", self->filename);
char *directory = dirname(directory_buf);
if(strcmp(directory, ".") != 0 && strcmp(directory, "/") != 0) {
if(create_directory_recursive(directory) != 0) {
fprintf(stderr, "gsr error: failed to create directory for output file: %s\n", self->filename);
return false;
}
}
} else {
if(!self->container_format) {
fprintf(stderr, "gsr error: option -c is required when using option -r\n");
usage();
return false;
}
struct stat buf;
if(stat(self->filename, &buf) != -1 && !S_ISDIR(buf.st_mode)) {
fprintf(stderr, "gsr error: File \"%s\" exists but it's not a directory\n", self->filename);
usage();
return false;
}
}
}
} else {
if(!is_replaying) {
self->filename = "/dev/stdout";
} else {
fprintf(stderr, "gsr error: Option -o is required when using option -r\n");
usage();
return false;
}
if(!self->container_format) {
fprintf(stderr, "gsr error: option -c is required when not using option -o\n");
usage();
return false;
}
}
self->is_output_piped = strcmp(self->filename, "/dev/stdout") == 0;
self->low_latency_recording = self->is_livestream || self->is_output_piped;
self->replay_recording_directory = args_get_value_by_key(self->args, NUM_ARGS, "-ro");
if(self->is_livestream && self->recording_saved_script) {
fprintf(stderr, "gsr warning: live stream detected, -sc script is ignored\n");
self->recording_saved_script = NULL;
}
self->ffmpeg_opts = args_get_value_by_key(self->args, NUM_ARGS, "-ffmpeg-opts");
return true;
}
bool args_parser_parse(args_parser *self, int argc, char **argv, const args_handlers *arg_handlers, void *userdata) {
assert(arg_handlers);
memset(self, 0, sizeof(*self));
if(argc <= 1) {
usage_full();
return false;
}
if(argc == 2 && (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0)) {
usage_full();
return false;
}
if(argc == 2 && strcmp(argv[1], "--info") == 0) {
arg_handlers->info(userdata);
return true;
}
if(argc == 2 && strcmp(argv[1], "--list-audio-devices") == 0) {
arg_handlers->list_audio_devices(userdata);
return true;
}
if(argc == 2 && strcmp(argv[1], "--list-application-audio") == 0) {
arg_handlers->list_application_audio(userdata);
return true;
}
if(argc == 2 && strcmp(argv[1], "--list-v4l2-devices") == 0) {
arg_handlers->list_v4l2_devices(userdata);
return true;
}
if(strcmp(argv[1], "--list-capture-options") == 0) {
if(argc == 2) {
arg_handlers->list_capture_options(NULL, userdata);
return true;
} else if(argc == 3 || argc == 4) {
const char *card_path = argv[2];
arg_handlers->list_capture_options(card_path, userdata);
return true;
} else {
fprintf(stderr, "gsr error: expected --list-capture-options to be called with either no extra arguments or 1 extra argument (card path)\n");
return false;
}
}
if(argc == 2 && strcmp(argv[1], "--version") == 0) {
arg_handlers->version(userdata);
return true;
}
int arg_index = 0;
self->args[arg_index++] = (Arg){ .key = "-w", .optional = false, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-c", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-f", .optional = true, .list = false, .type = ARG_TYPE_I64, .integer_value_min = 1, .integer_value_max = 1000 };
self->args[arg_index++] = (Arg){ .key = "-s", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-region", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-a", .optional = true, .list = true, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-q", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-o", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-ro", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-r", .optional = true, .list = false, .type = ARG_TYPE_I64, .integer_value_min = 2, .integer_value_max = 86400 };
self->args[arg_index++] = (Arg){ .key = "-restart-replay-on-save", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-k", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = video_codec_enums, .num_enum_values = sizeof(video_codec_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-ac", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = audio_codec_enums, .num_enum_values = sizeof(audio_codec_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-ab", .optional = true, .list = false, .type = ARG_TYPE_I64, .integer_value_min = 0, .integer_value_max = 50000 };
self->args[arg_index++] = (Arg){ .key = "-oc", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-fm", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = framerate_mode_enums, .num_enum_values = sizeof(framerate_mode_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-bm", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = bitrate_mode_enums, .num_enum_values = sizeof(bitrate_mode_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-pixfmt", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = pixel_format_enums, .num_enum_values = sizeof(pixel_format_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-v", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-gl-debug", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-df", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-sc", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-cr", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = color_range_enums, .num_enum_values = sizeof(color_range_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-tune", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = tune_enums, .num_enum_values = sizeof(tune_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-cursor", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-keyint", .optional = true, .list = false, .type = ARG_TYPE_DOUBLE, .integer_value_min = 0, .integer_value_max = 500 };
self->args[arg_index++] = (Arg){ .key = "-restore-portal-session", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-portal-session-token-filepath", .optional = true, .list = false, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-encoder", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = video_encoder_enums, .num_enum_values = sizeof(video_encoder_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-fallback-cpu-encoding", .optional = true, .list = false, .type = ARG_TYPE_BOOLEAN };
self->args[arg_index++] = (Arg){ .key = "-replay-storage", .optional = true, .list = false, .type = ARG_TYPE_ENUM, .enum_values = replay_storage_enums, .num_enum_values = sizeof(replay_storage_enums)/sizeof(ArgEnum) };
self->args[arg_index++] = (Arg){ .key = "-p", .optional = true, .list = true, .type = ARG_TYPE_STRING };
self->args[arg_index++] = (Arg){ .key = "-ffmpeg-opts", .optional = true, .list = false, .type = ARG_TYPE_STRING };
assert(arg_index == NUM_ARGS);
for(int i = 1; i < argc; i += 2) {
const char *arg_name = argv[i];
Arg *arg = args_get_by_key(self->args, NUM_ARGS, arg_name);
if(!arg) {
fprintf(stderr, "gsr error: invalid argument '%s'\n", arg_name);
usage();
return false;
}
if(arg->num_values > 0 && !arg->list) {
fprintf(stderr, "gsr error: expected argument '%s' to only be specified once\n", arg_name);
usage();
return false;
}
if(i + 1 >= argc) {
fprintf(stderr, "gsr error: missing value for argument '%s'\n", arg_name);
usage();
return false;
}
const char *arg_value = argv[i + 1];
switch(arg->type) {
case ARG_TYPE_STRING: {
break;
}
case ARG_TYPE_BOOLEAN: {
if(strcmp(arg_value, "yes") == 0) {
arg->typed_value.boolean = true;
} else if(strcmp(arg_value, "no") == 0) {
arg->typed_value.boolean = false;
} else {
fprintf(stderr, "gsr error: %s should either be 'yes' or 'no', got: '%s'\n", arg_name, arg_value);
usage();
return false;
}
break;
}
case ARG_TYPE_ENUM: {
if(!arg_get_enum_value_by_name(arg, arg_value, &arg->typed_value.enum_value)) {
fprintf(stderr, "gsr error: %s should either be ", arg_name);
arg_print_expected_enum_names(arg);
fprintf(stderr, ", got: '%s'\n", arg_value);
usage();
return false;
}
break;
}
case ARG_TYPE_I64: {
if(sscanf(arg_value, "%" PRIi64, &arg->typed_value.i64_value) != 1) {
fprintf(stderr, "gsr error: %s argument \"%s\" is not an integer\n", arg_name, arg_value);
usage();
return false;
}
if(arg->typed_value.i64_value < arg->integer_value_min) {
fprintf(stderr, "gsr error: %s argument is expected to be larger than %" PRIi64 ", got %" PRIi64 "\n", arg_name, arg->integer_value_min, arg->typed_value.i64_value);
usage();
return false;
}
if(arg->typed_value.i64_value > arg->integer_value_max) {
fprintf(stderr, "gsr error: %s argument is expected to be less than %" PRIi64 ", got %" PRIi64 "\n", arg_name, arg->integer_value_max, arg->typed_value.i64_value);
usage();
return false;
}
break;
}
case ARG_TYPE_DOUBLE: {
if(sscanf(arg_value, "%lf", &arg->typed_value.d_value) != 1) {
fprintf(stderr, "gsr error: %s argument \"%s\" is not an floating-point number\n", arg_name, arg_value);
usage();
return false;
}
if(arg->typed_value.d_value < arg->integer_value_min) {
fprintf(stderr, "gsr error: %s argument is expected to be larger than %" PRIi64 ", got %lf\n", arg_name, arg->integer_value_min, arg->typed_value.d_value);
usage();
return false;
}
if(arg->typed_value.d_value > arg->integer_value_max) {
fprintf(stderr, "gsr error: %s argument is expected to be less than %" PRIi64 ", got %lf\n", arg_name, arg->integer_value_max, arg->typed_value.d_value);
usage();
return false;
}
break;
}
}
if(!arg_append_value(arg, arg_value)) {
fprintf(stderr, "gsr error: failed to append argument, out of memory\n");
return false;
}
}
for(int i = 0; i < NUM_ARGS; ++i) {
const Arg *arg = &self->args[i];
if(!arg->optional && arg->num_values == 0) {
fprintf(stderr, "gsr error: missing argument '%s'\n", arg->key);
usage();
return false;
}
}
return args_parser_set_values(self);
}
void args_parser_deinit(args_parser *self) {
for(int i = 0; i < NUM_ARGS; ++i) {
arg_deinit(&self->args[i]);
}
}
bool args_parser_validate_with_gl_info(args_parser *self, gsr_egl *egl) {
const bool wayland = gsr_window_get_display_server(egl->window) == GSR_DISPLAY_SERVER_WAYLAND;
if(self->bitrate_mode == (gsr_bitrate_mode)GSR_BITRATE_MODE_AUTO) {
// QP is broken on steam deck, see https://github.com/ValveSoftware/SteamOS/issues/1609
self->bitrate_mode = egl->gpu_info.is_steam_deck ? GSR_BITRATE_MODE_VBR : GSR_BITRATE_MODE_QP;
}
if(egl->gpu_info.is_steam_deck && self->bitrate_mode == GSR_BITRATE_MODE_QP) {
fprintf(stderr, "gsr warning: qp bitrate mode is not supported on Steam Deck because of Steam Deck driver bugs. Using vbr instead\n");
self->bitrate_mode = GSR_BITRATE_MODE_VBR;
}
if(self->video_encoder == GSR_VIDEO_ENCODER_HW_CPU && self->bitrate_mode == GSR_BITRATE_MODE_VBR) {
fprintf(stderr, "gsr warning: bitrate mode has been forcefully set to qp because software encoding option doesn't support vbr option\n");
self->bitrate_mode = GSR_BITRATE_MODE_QP;
}
if(egl->gpu_info.vendor != GSR_GPU_VENDOR_NVIDIA && self->overclock) {
fprintf(stderr, "gsr info: overclock option has no effect on amd/intel, ignoring option\n");
self->overclock = false;
}
if(egl->gpu_info.vendor == GSR_GPU_VENDOR_NVIDIA && self->overclock && wayland) {
fprintf(stderr, "gsr info: overclocking is not possible on nvidia on wayland, ignoring option\n");
self->overclock = false;
}
if(egl->gpu_info.is_steam_deck) {
fprintf(stderr, "gsr warning: steam deck has multiple driver issues. One of them has been reported here: https://github.com/ValveSoftware/SteamOS/issues/1609\n"
"If you have issues with GPU Screen Recorder on steam deck that you don't have on a desktop computer then report the issue to Valve and/or AMD.\n");
}
self->very_old_gpu = false;
if(egl->gpu_info.vendor == GSR_GPU_VENDOR_NVIDIA && egl->gpu_info.gpu_version != 0 && egl->gpu_info.gpu_version < 900) {
fprintf(stderr, "gsr info: your gpu appears to be very old (older than maxwell architecture). Switching to lower preset\n");
self->very_old_gpu = true;
}
if(video_codec_is_hdr(self->video_codec) && !wayland) {
fprintf(stderr, "gsr error: hdr video codec option %s is not available on X11\n", video_codec_to_string(self->video_codec));
usage();
return false;
}
return true;
}
void args_parser_print_usage(void) {
usage();
}
Arg* args_parser_get_arg(args_parser *self, const char *arg_name) {
return args_get_by_key(self->args, NUM_ARGS, arg_name);
}
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