Files
gpu-screen-recorder-ui/src/GsrInfo.cpp

455 lines
16 KiB
C++

#include "../include/GsrInfo.hpp"
#include "../include/Utils.hpp"
#include "../include/Process.hpp"
#include <optional>
#include <string.h>
namespace gsr {
bool GsrVersion::operator>(const GsrVersion &other) const {
return major > other.major || (major == other.major && minor > other.minor) || (major == other.major && minor == other.minor && patch > other.patch);
}
bool GsrVersion::operator>=(const GsrVersion &other) const {
return major > other.major || (major == other.major && minor > other.minor) || (major == other.major && minor == other.minor && patch >= other.patch);
}
bool GsrVersion::operator<(const GsrVersion &other) const {
return !operator>=(other);
}
bool GsrVersion::operator<=(const GsrVersion &other) const {
return !operator>(other);
}
bool GsrVersion::operator==(const GsrVersion &other) const {
return major == other.major && minor == other.minor && patch == other.patch;
}
bool GsrVersion::operator!=(const GsrVersion &other) const {
return !operator==(other);
}
std::string GsrVersion::to_string() const {
std::string result;
if(major == 0 && minor == 0 && patch == 0)
result = "Unknown";
else
result = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(patch);
return result;
}
/* Returns -1 on error */
static int parse_u8(const char *str, int size) {
if(size <= 0)
return -1;
int result = 0;
for(int i = 0; i < size; ++i) {
char c = str[i];
if(c >= '0' && c <= '9') {
result = result * 10 + (c - '0');
if(result > 255)
return -1;
} else {
return -1;
}
}
return result;
}
static GsrVersion parse_gsr_version(const std::string_view str) {
GsrVersion result;
uint8_t numbers[3];
int number_index = 0;
size_t index = 0;
while(true) {
size_t next_index = str.find('.', index);
if(next_index == std::string::npos)
next_index = str.size();
const int number = parse_u8(str.data() + index, next_index - index);
if(number == -1) {
fprintf(stderr, "Error: gpu-screen-recorder --info contains invalid gsr version: %.*s\n", (int)str.size(), str.data());
return {0, 0, 0};
}
if(number_index >= 3) {
fprintf(stderr, "Error: gpu-screen-recorder --info contains invalid gsr version: %.*s\n", (int)str.size(), str.data());
return {0, 0, 0};
}
numbers[number_index] = number;
++number_index;
index = next_index + 1;
if(next_index == str.size())
break;
}
result.major = numbers[0];
result.minor = numbers[1];
result.patch = numbers[2];
return result;
}
static std::optional<KeyValue> parse_key_value(std::string_view line) {
const size_t space_index = line.find('|');
if(space_index == std::string_view::npos)
return std::nullopt;
return KeyValue{line.substr(0, space_index), line.substr(space_index + 1)};
}
static void parse_system_info_line(GsrInfo *gsr_info, std::string_view line) {
const std::optional<KeyValue> key_value = parse_key_value(line);
if(!key_value)
return;
if(key_value->key == "display_server") {
if(key_value->value == "x11")
gsr_info->system_info.display_server = DisplayServer::X11;
else if(key_value->value == "wayland")
gsr_info->system_info.display_server = DisplayServer::WAYLAND;
} else if(key_value->key == "supports_app_audio") {
gsr_info->system_info.supports_app_audio = key_value->value == "yes";
} else if(key_value->key == "gsr_version") {
gsr_info->system_info.gsr_version = parse_gsr_version(key_value->value);
}
}
static void parse_gpu_info_line(GsrInfo *gsr_info, std::string_view line) {
const std::optional<KeyValue> key_value = parse_key_value(line);
if(!key_value)
return;
if(key_value->key == "vendor") {
if(key_value->value == "amd")
gsr_info->gpu_info.vendor = GpuVendor::AMD;
else if(key_value->value == "intel")
gsr_info->gpu_info.vendor = GpuVendor::INTEL;
else if(key_value->value == "nvidia")
gsr_info->gpu_info.vendor = GpuVendor::NVIDIA;
else if(key_value->value == "broadcom")
gsr_info->gpu_info.vendor = GpuVendor::BROADCOM;
} else if(key_value->key == "card_path") {
gsr_info->gpu_info.card_path = key_value->value;
}
}
static void parse_video_codecs_line(GsrInfo *gsr_info, std::string_view line) {
if(line == "h264")
gsr_info->supported_video_codecs.h264 = true;
else if(line == "h264_software")
gsr_info->supported_video_codecs.h264_software = true;
else if(line == "hevc")
gsr_info->supported_video_codecs.hevc = true;
else if(line == "hevc_hdr")
gsr_info->supported_video_codecs.hevc_hdr = true;
else if(line == "hevc_10bit")
gsr_info->supported_video_codecs.hevc_10bit = true;
else if(line == "av1")
gsr_info->supported_video_codecs.av1 = true;
else if(line == "av1_hdr")
gsr_info->supported_video_codecs.av1_hdr = true;
else if(line == "av1_10bit")
gsr_info->supported_video_codecs.av1_10bit = true;
else if(line == "vp8")
gsr_info->supported_video_codecs.vp8 = true;
else if(line == "vp9")
gsr_info->supported_video_codecs.vp9 = true;
}
static void parse_image_formats_line(GsrInfo *gsr_info, std::string_view line) {
if(line == "jpeg")
gsr_info->supported_image_formats.jpeg = true;
else if(line == "png")
gsr_info->supported_image_formats.png = true;
}
enum class GsrInfoSection {
UNKNOWN,
SYSTEM_INFO,
GPU_INFO,
VIDEO_CODECS,
IMAGE_FORMATS,
CAPTURE_OPTIONS
};
GsrInfoExitStatus get_gpu_screen_recorder_info(GsrInfo *gsr_info) {
*gsr_info = GsrInfo{};
std::string stdout_str;
const char *args[] = { "gpu-screen-recorder", "--info", nullptr };
const int exit_status = exec_program_get_stdout(args, stdout_str);
switch(exit_status) {
case 0: break;
case 14: return GsrInfoExitStatus::BROKEN_DRIVERS;
case 22: return GsrInfoExitStatus::OPENGL_FAILED;
case 23: return GsrInfoExitStatus::NO_DRM_CARD;
default: return GsrInfoExitStatus::FAILED_TO_RUN_COMMAND;
}
GsrInfoSection section = GsrInfoSection::UNKNOWN;
string_split_char(stdout_str, '\n', [&](std::string_view line) {
if(starts_with(line, "section=")) {
const std::string_view section_name = line.substr(8);
if(section_name == "system_info")
section = GsrInfoSection::SYSTEM_INFO;
else if(section_name == "gpu_info")
section = GsrInfoSection::GPU_INFO;
else if(section_name == "video_codecs")
section = GsrInfoSection::VIDEO_CODECS;
else if(section_name == "image_formats")
section = GsrInfoSection::IMAGE_FORMATS;
else if(section_name == "capture_options")
section = GsrInfoSection::CAPTURE_OPTIONS;
else
section = GsrInfoSection::UNKNOWN;
return true;
}
switch(section) {
case GsrInfoSection::UNKNOWN: {
break;
}
case GsrInfoSection::SYSTEM_INFO: {
parse_system_info_line(gsr_info, line);
break;
}
case GsrInfoSection::GPU_INFO: {
parse_gpu_info_line(gsr_info, line);
break;
}
case GsrInfoSection::VIDEO_CODECS: {
parse_video_codecs_line(gsr_info, line);
break;
}
case GsrInfoSection::IMAGE_FORMATS: {
parse_image_formats_line(gsr_info, line);
break;
}
case GsrInfoSection::CAPTURE_OPTIONS: {
// Intentionally ignore, get capture options with get_supported_capture_options instead
break;
}
}
return true;
});
return GsrInfoExitStatus::OK;
}
static std::optional<AudioDevice> parse_audio_device_line(std::string_view line) {
std::optional<AudioDevice> audio_device;
const std::optional<KeyValue> key_value = parse_key_value(line);
if(!key_value)
return audio_device;
audio_device = AudioDevice{std::string(key_value->key), std::string(key_value->value)};
return audio_device;
}
std::vector<AudioDevice> get_audio_devices() {
std::vector<AudioDevice> audio_devices;
std::string stdout_str;
const char *args[] = { "gpu-screen-recorder", "--list-audio-devices", nullptr };
if(exec_program_get_stdout(args, stdout_str, false) != 0) {
fprintf(stderr, "error: 'gpu-screen-recorder --list-audio-devices' failed\n");
return audio_devices;
}
string_split_char(stdout_str, '\n', [&](std::string_view line) {
std::optional<AudioDevice> audio_device = parse_audio_device_line(line);
if(audio_device)
audio_devices.push_back(std::move(audio_device.value()));
return true;
});
return audio_devices;
}
std::vector<std::string> get_application_audio() {
std::vector<std::string> application_audio;
std::string stdout_str;
const char *args[] = { "gpu-screen-recorder", "--list-application-audio", nullptr };
if(exec_program_get_stdout(args, stdout_str) != 0) {
fprintf(stderr, "error: 'gpu-screen-recorder --list-application-audio' failed\n");
return application_audio;
}
string_split_char(stdout_str, '\n', [&](std::string_view line) {
application_audio.emplace_back(line);
return true;
});
return application_audio;
}
struct KeyValue3 {
std::string_view value1;
std::string_view value2;
std::string_view value3;
};
static std::optional<KeyValue3> parse_3(std::string_view line) {
const size_t space_index1 = line.find('|');
if(space_index1 == std::string_view::npos)
return std::nullopt;
const size_t space_index2 = line.find('|', space_index1 + 1);
if(space_index2 == std::string_view::npos)
return std::nullopt;
return KeyValue3{
line.substr(0, space_index1),
line.substr(space_index1 + 1, space_index2 - (space_index1 + 1)),
line.substr(space_index2 + 1),
};
}
static bool parse_camera_pixel_format(std::string_view line, GsrCameraPixelFormat &pixel_format) {
if(line == "yuyv") {
pixel_format = YUYV;
return true;
} else if(line == "mjpeg") {
pixel_format = MJPEG;
return true;
} else {
return false;
}
}
static bool capture_option_line_to_camera(std::string_view line, std::string &path, GsrCameraSetup &camera_setup, GsrCameraPixelFormat &pixel_format) {
const std::optional<KeyValue3> key_value3 = parse_3(line);
if(!key_value3)
return false;
path = key_value3->value1;
char value_buffer[256];
snprintf(value_buffer, sizeof(value_buffer), "%.*s", (int)key_value3->value2.size(), key_value3->value2.data());
if(sscanf(value_buffer, "%dx%d@%dhz", &camera_setup.resolution.x, &camera_setup.resolution.y, &camera_setup.fps) != 3)
return false;
if(!parse_camera_pixel_format(key_value3->value3, pixel_format))
return false;
return true;
}
static std::optional<GsrMonitor> capture_option_line_to_monitor(std::string_view line) {
std::optional<GsrMonitor> monitor;
const std::optional<KeyValue> key_value = parse_key_value(line);
if(!key_value)
return monitor;
char value_buffer[256];
snprintf(value_buffer, sizeof(value_buffer), "%.*s", (int)key_value->value.size(), key_value->value.data());
monitor = GsrMonitor{std::string(key_value->key), mgl::vec2i{0, 0}};
if(sscanf(value_buffer, "%dx%d", &monitor->size.x, &monitor->size.y) != 2)
monitor->size = {0, 0};
return monitor;
}
static GsrCamera* get_gsr_camera_by_path(std::vector<GsrCamera> &cameras, const std::string &path) {
for(GsrCamera &camera : cameras) {
if(camera.path == path)
return &camera;
}
return nullptr;
}
static void parse_camera_line(std::string_view line, std::vector<GsrCamera> &cameras) {
std::string camera_path;
GsrCameraSetup camera_setup;
GsrCameraPixelFormat pixel_format;
if(!capture_option_line_to_camera(line, camera_path, camera_setup, pixel_format))
return;
GsrCamera *existing_camera = get_gsr_camera_by_path(cameras, camera_path);
if(!existing_camera) {
cameras.push_back(GsrCamera{camera_path, std::vector<GsrCameraSetup>{}, std::vector<GsrCameraSetup>{}});
existing_camera = &cameras.back();
}
switch(pixel_format) {
case YUYV:
existing_camera->yuyv_setups.push_back(camera_setup);
break;
case MJPEG:
existing_camera->mjpeg_setups.push_back(camera_setup);
break;
}
}
static void parse_capture_options_line(SupportedCaptureOptions &capture_options, std::string_view line) {
if(line == "window") {
capture_options.window = true;
} else if(line == "region") {
capture_options.region = true;
} else if(line == "focused") {
capture_options.focused = true;
} else if(line == "portal") {
capture_options.portal = true;
} else if(!line.empty() && line[0] == '/') {
parse_camera_line(line, capture_options.cameras);
} else {
std::optional<GsrMonitor> monitor = capture_option_line_to_monitor(line);
if(monitor)
capture_options.monitors.push_back(std::move(monitor.value()));
}
}
static const char* gpu_vendor_to_string(GpuVendor vendor) {
switch(vendor) {
case GpuVendor::UNKNOWN: return "unknown";
case GpuVendor::AMD: return "amd";
case GpuVendor::INTEL: return "intel";
case GpuVendor::NVIDIA: return "nvidia";
case GpuVendor::BROADCOM: return "broadcom";
}
return "unknown";
}
SupportedCaptureOptions get_supported_capture_options(const GsrInfo &gsr_info) {
SupportedCaptureOptions capture_options;
std::string stdout_str;
const char *args[] = { "gpu-screen-recorder", "--list-capture-options", gsr_info.gpu_info.card_path.c_str(), gpu_vendor_to_string(gsr_info.gpu_info.vendor), nullptr };
if(exec_program_get_stdout(args, stdout_str) != 0) {
fprintf(stderr, "error: 'gpu-screen-recorder --list-capture-options' failed\n");
return capture_options;
}
string_split_char(stdout_str, '\n', [&](std::string_view line) {
parse_capture_options_line(capture_options, line);
return true;
});
return capture_options;
}
std::vector<GsrCamera> get_v4l2_devices() {
std::vector<GsrCamera> cameras;
std::string stdout_str;
const char *args[] = { "gpu-screen-recorder", "--list-v4l2-devices", nullptr };
if(exec_program_get_stdout(args, stdout_str) != 0) {
fprintf(stderr, "error: 'gpu-screen-recorder --list-v4l2-devices' failed\n");
return cameras;
}
string_split_char(stdout_str, '\n', [&](std::string_view line) {
parse_camera_line(line, cameras);
return true;
});
return cameras;
}
}