1. 增加配置持久化
2. 完善细节
This commit is contained in:
sansen
+84
-55
@@ -5,14 +5,12 @@ import (
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"log"
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)
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// GPUInfo holds detected GPU information.
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type GPUInfo struct {
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Name string `json:"name"`
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Vendor string `json:"vendor"`
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Encoders []EncoderCap `json:"encoders"`
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}
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// EncoderCap describes an encoder capability.
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type EncoderCap struct {
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Name string `json:"name"`
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Codec string `json:"codec"`
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@@ -20,10 +18,7 @@ type EncoderCap struct {
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Available bool `json:"available"`
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}
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// knownEncoders defines all known hardware encoders by vendor.
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type knownEnc struct {
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Name, Vendor, Codec, Label string
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}
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type knownEnc struct{ Name, Vendor, Codec, Label string }
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var allEncoders = []knownEnc{
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{"h264_nvenc", "nvidia", "h264", "H.264 NVENC"},
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@@ -37,72 +32,111 @@ var allEncoders = []knownEnc{
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{"av1_amf", "amd", "av1", "AV1 AMF"},
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}
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// DetectGPUs detects GPUs and their encoder capabilities.
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// Uses a single ffmpeg -encoders call for speed.
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var cpuEncoders = []knownEnc{
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{"libx264", "cpu", "h264", "H.264 (libx264)"},
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{"libx265", "cpu", "hevc", "H.265/HEVC (libx265)"},
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{"libsvtav1", "cpu", "av1", "AV1 (libsvtav1)"},
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}
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func DetectGPUs(exec *ffmpeg.Executor) []GPUInfo {
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encList, err := exec.RunSync("-encoders")
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if err != nil {
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log.Printf("[gpu] ffmpeg -encoders failed: %v", err)
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return fallbackGPUs()
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}
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// Group encoders by vendor
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vendorEncs := map[string][]EncoderCap{}
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for _, ke := range allEncoders {
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available := containsWord(encList, ke.Name)
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vendorEncs[ke.Vendor] = append(vendorEncs[ke.Vendor], EncoderCap{
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Name: ke.Name, Codec: ke.Codec, Label: ke.Label, Available: available,
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})
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}
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// Get GPU names
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// Step 1: Get GPU names (DXGI/Registry/PS — no ffmpeg needed)
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gpuNames := detectGPUNames()
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log.Printf("[gpu] detected GPU names: %v", gpuNames)
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log.Printf("[gpu] names: %v", gpuNames)
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// Step 2: Detect encoder availability via ffmpeg (best effort)
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var encList string
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var ffmpegOK bool
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if exec != nil {
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out, err := exec.RunSync("-encoders")
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if err == nil {
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encList = out
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ffmpegOK = true
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} else {
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log.Printf("[gpu] ffmpeg -encoders failed: %v (showing GPUs without encoder info)", err)
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}
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}
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// Fall back to ffmpeg if no GPU names were found
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if len(gpuNames) == 0 && ffmpegOK {
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gpuNames = ffmpegFallback(exec)
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}
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if len(gpuNames) == 0 {
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gpuNames = []gpuName{{Name: "Unknown GPU", Vendor: "unknown"}}
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}
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// Build result
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var result []GPUInfo
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for _, gn := range gpuNames {
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encs := vendorEncs[gn.Vendor]
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if encs == nil {
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encs = []EncoderCap{}
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}
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result = append(result, GPUInfo{
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Name: gn.Name,
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Vendor: gn.Vendor,
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Encoders: encs,
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Encoders: capsForVendor(encList, gn.Vendor, ffmpegOK),
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})
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}
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// Add CPU entry
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// CPU
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cpuName := detectCPUName()
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log.Printf("[gpu] CPU: %s", cpuName)
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result = append(result, GPUInfo{
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Name: "CPU",
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Vendor: "cpu",
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Encoders: []EncoderCap{
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{Name: "libx264", Codec: "h264", Label: "H.264 (libx264)", Available: containsWord(encList, "libx264")},
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{Name: "libx265", Codec: "hevc", Label: "H.265/HEVC (libx265)", Available: containsWord(encList, "libx265")},
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{Name: "libsvtav1", Codec: "av1", Label: "AV1 (libsvtav1)", Available: containsWord(encList, "libsvtav1")},
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},
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Name: cpuName,
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Vendor: "cpu",
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Encoders: capsForVendor(encList, "cpu", ffmpegOK),
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})
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log.Printf("[gpu] returning %d GPU entries", len(result))
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return result
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}
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func containsWord(text, word string) bool {
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// Simple substring match — the encoder list has one encoder per line
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return len(text) > 0 && len(word) > 0 && containsLine(text, word)
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func capsForVendor(encList, vendor string, ffmpegOK bool) []EncoderCap {
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var src []knownEnc
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switch vendor {
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case "cpu":
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src = cpuEncoders
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default:
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src = allEncoders
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}
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var caps []EncoderCap
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for _, ke := range src {
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if ke.Vendor == vendor || vendor == "cpu" {
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avail := ffmpegOK && containsWord(encList, ke.Name)
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if !ffmpegOK && vendor == "cpu" && ke.Name == "libx264" {
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avail = true // always assume x264 is available
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}
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caps = append(caps, EncoderCap{
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Name: ke.Name, Codec: ke.Codec, Label: ke.Label, Available: avail,
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})
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}
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}
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return caps
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}
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func containsLine(text, word string) bool {
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for i := 0; i < len(text); i++ {
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if i+len(word) > len(text) {
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break
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}
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func ffmpegFallback(exec ffmpegExecutor) []gpuName {
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out, err := exec.RunSync("-encoders")
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if err != nil {
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return nil
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}
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var gpus []gpuName
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if wordIn(out, "h264_nvenc") || wordIn(out, "hevc_nvenc") {
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gpus = append(gpus, gpuName{Name: "NVIDIA GPU", Vendor: "nvidia"})
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}
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if wordIn(out, "h264_qsv") || wordIn(out, "hevc_qsv") {
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gpus = append(gpus, gpuName{Name: "Intel GPU", Vendor: "intel"})
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}
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if wordIn(out, "h264_amf") || wordIn(out, "hevc_amf") {
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gpus = append(gpus, gpuName{Name: "AMD GPU", Vendor: "amd"})
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}
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return gpus
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}
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type ffmpegExecutor interface {
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RunSync(args ...string) (string, error)
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}
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func containsWord(text, word string) bool {
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if len(word) == 0 || len(text) < len(word) {
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return false
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}
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for i := 0; i <= len(text)-len(word); i++ {
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if text[i:i+len(word)] == word {
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// Check word boundaries: should be preceded by space/newline and followed by space/newline
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before := i == 0 || text[i-1] == ' ' || text[i-1] == '\n' || text[i-1] == '\r'
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after := i+len(word) >= len(text) || text[i+len(word)] == ' ' || text[i+len(word)] == '\n' || text[i+len(word)] == '\r'
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if before && after {
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@@ -113,11 +147,6 @@ func containsLine(text, word string) bool {
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return false
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}
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func fallbackGPUs() []GPUInfo {
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return []GPUInfo{
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{Name: "CPU", Vendor: "cpu", Encoders: []EncoderCap{
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{Name: "libx264", Codec: "h264", Label: "H.264 (libx264)", Available: true},
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{Name: "libx265", Codec: "hevc", Label: "H.265/HEVC (libx265)", Available: true},
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}},
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}
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func wordIn(text, word string) bool {
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return containsWord(text, word)
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}
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@@ -10,3 +10,5 @@ type gpuName struct {
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func detectGPUNames() []gpuName {
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return []gpuName{{Name: "Default GPU", Vendor: "unknown"}}
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}
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func detectCPUName() string { return "CPU" }
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+288
-126
@@ -5,141 +5,231 @@ package gpu
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import (
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"log"
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"os/exec"
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"strings"
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"syscall"
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"unsafe"
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)
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var hideWindow = &syscall.SysProcAttr{HideWindow: true}
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type gpuName struct {
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Name string
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Vendor string
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}
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// --- Method 1: DXGI ---
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var (
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dxgi = syscall.NewLazyDLL("dxgi.dll")
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createDXGIFactory1 = dxgi.NewProc("CreateDXGIFactory1")
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IID_IDXGIFactory1 = &syscall.GUID{0x770aae78, 0xf26f, 0x4dba, [8]byte{0xa8, 0x29, 0x25, 0x3c, 0x83, 0xd1, 0xb3, 0x87}}
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)
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type dxgiDesc struct {
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Description [128]uint16
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VendorId uint32
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DeviceId uint32
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SubSysId uint32
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Revision uint32
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DedicatedVideoMemory uint64
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_ uint64
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_ uint64
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_ [8]byte
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}
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func dxgiGPUList() []gpuName {
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var factory uintptr
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r, _, _ := createDXGIFactory1.Call(uintptr(unsafe.Pointer(IID_IDXGIFactory1)), uintptr(unsafe.Pointer(&factory)))
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if r != 0 {
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return nil
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}
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defer release(factory)
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var gpus []gpuName
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for i := uint32(0); ; i++ {
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var adapter uintptr
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fn := callVtable(factory, 12) // EnumAdapters1
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r, _, _ = syscall.SyscallN(fn, factory, uintptr(i), uintptr(unsafe.Pointer(&adapter)))
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if r != 0 {
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break
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}
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var desc dxgiDesc
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syscall.SyscallN(callVtable(adapter, 8), adapter, uintptr(unsafe.Pointer(&desc))) // GetDesc
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release(adapter)
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name := syscall.UTF16ToString(desc.Description[:])
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vendor := classifyByVID(desc.VendorId)
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log.Printf("[gpu][dxgi] %d: %s (VID=0x%04x)", i, name, desc.VendorId)
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if name == "" || isVirtualGPU(name) || vendor == "unknown" {
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continue
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}
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gpus = append(gpus, gpuName{Name: name, Vendor: vendor})
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}
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return gpus
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}
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func callVtable(obj uintptr, idx int) uintptr {
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vtablePtr := *(**uintptr)(unsafe.Pointer(obj))
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arr := (*[64]uintptr)(unsafe.Pointer(vtablePtr))
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return arr[idx]
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}
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func release(obj uintptr) { syscall.SyscallN(callVtable(obj, 2), obj) }
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// --- Method 2: Registry ---
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func registryGPUList() []gpuName {
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cmd := exec.Command("reg", "query",
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`HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}`,
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"/s", "/v", "DriverDesc")
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cmd.SysProcAttr = hideWindow
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out, err := cmd.CombinedOutput()
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if err != nil {
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return nil
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}
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return parseRegOutput(string(out))
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}
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func parseRegOutput(out string) []gpuName {
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var gpus []gpuName
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seen := map[string]bool{}
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for _, line := range splitLines(out) {
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line = trim(line)
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if !startsWith(line, "DriverDesc") {
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continue
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}
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// Format: " DriverDesc REG_SZ NVIDIA GeForce RTX 4090"
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parts := splitN(line, "REG_SZ", 2)
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if len(parts) < 2 {
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continue
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}
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name := trim(parts[1])
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if name == "" || seen[name] || isVirtualGPU(name) {
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continue
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}
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vendor := classifyByName(name)
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if vendor == "unknown" {
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log.Printf("[gpu][reg] unknown vendor: %s", name)
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continue
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}
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seen[name] = true
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gpus = append(gpus, gpuName{Name: name, Vendor: vendor})
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}
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return gpus
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}
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// --- Method 3: PowerShell ---
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func psGPUList() []gpuName {
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cmd := exec.Command("powershell", "-NoProfile", "-Command",
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`Get-CimInstance Win32_VideoController | ForEach-Object { $_.Name + "|" + $_.AdapterCompatibility }`,
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)
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cmd.SysProcAttr = hideWindow
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out, err := cmd.CombinedOutput()
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if err != nil {
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return nil
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}
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var gpus []gpuName
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seen := map[string]bool{}
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for _, line := range splitLines(string(out)) {
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line = trim(line)
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if line == "" {
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continue
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}
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parts := splitN(line, "|", 2)
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name := trim(parts[0])
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vendorStr := ""
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if len(parts) > 1 {
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vendorStr = trim(parts[1])
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}
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if name == "" || seen[name] || isVirtualGPU(name) {
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continue
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}
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vendor := classifyByName(vendorStr + " " + name)
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if vendor == "unknown" {
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continue
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}
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seen[name] = true
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gpus = append(gpus, gpuName{Name: name, Vendor: vendor})
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}
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return gpus
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}
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// --- CPU Detection ---
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func detectCPUName() string {
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cmd := exec.Command("reg", "query",
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`HKLM\HARDWARE\DESCRIPTION\System\CentralProcessor\0`,
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"/v", "ProcessorNameString")
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cmd.SysProcAttr = hideWindow
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out, err := cmd.CombinedOutput()
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if err != nil {
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return detectCPUByEnv()
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}
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for _, line := range splitLines(string(out)) {
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line = trim(line)
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if !startsWith(line, "ProcessorNameString") {
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continue
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}
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parts := splitN(line, "REG_SZ", 2)
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if len(parts) >= 2 {
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return trim(parts[1])
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}
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}
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return detectCPUByEnv()
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}
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func detectCPUByEnv() string {
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cmd := exec.Command("cmd", "/c", "echo %PROCESSOR_IDENTIFIER%")
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cmd.SysProcAttr = hideWindow
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out, err := cmd.CombinedOutput()
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if err != nil {
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return "CPU"
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}
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name := trim(string(out))
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if name == "" {
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return "CPU"
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}
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return name
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}
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// --- Orchestrator ---
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func detectGPUNames() []gpuName {
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// Try PowerShell first, then wmic
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gpus := psGPUList()
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if len(gpus) > 0 {
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log.Printf("[gpu] PowerShell found %d GPUs", len(gpus))
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for _, g := range gpus {
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log.Printf("[gpu] %s -> vendor=%s", g.Name, g.Vendor)
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}
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return gpus
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methods := []struct {
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name string
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fn func() []gpuName
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}{
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{"DXGI", dxgiGPUList},
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{"Registry", registryGPUList},
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{"PowerShell", psGPUList},
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}
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gpus = wmicGPUList()
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if len(gpus) > 0 {
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log.Printf("[gpu] WMIC found %d GPUs", len(gpus))
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for _, g := range gpus {
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log.Printf("[gpu] %s -> vendor=%s", g.Name, g.Vendor)
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for _, m := range methods {
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gpus := m.fn()
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if len(gpus) > 0 {
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log.Printf("[gpu] %s detected %d GPU(s)", m.name, len(gpus))
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return gpus
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}
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return gpus
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log.Printf("[gpu] %s returned empty", m.name)
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}
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log.Printf("[gpu] No GPUs detected via PowerShell or WMIC")
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return nil
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}
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func psGPUList() []gpuName {
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out, err := exec.Command("powershell", "-NoProfile", "-Command",
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"Get-CimInstance Win32_VideoController | Select-Object Name,AdapterCompatibility,DriverVersion | ConvertTo-Csv -NoTypeInformation",
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).CombinedOutput()
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log.Printf("[gpu] PS output:\n%s", string(out))
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if err != nil {
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log.Printf("[gpu] PS error: %v", err)
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return nil
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}
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return parseCSV(string(out))
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}
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func wmicGPUList() []gpuName {
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out, err := exec.Command("wmic", "path", "win32_VideoController",
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"get", "Name,AdapterCompatibility", "/format:csv").CombinedOutput()
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log.Printf("[gpu] WMIC output:\n%s", string(out))
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if err != nil {
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log.Printf("[gpu] WMIC error: %v", err)
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return nil
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}
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return parseWMIC(string(out))
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}
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func parseCSV(out string) []gpuName {
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var gpus []gpuName
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seen := map[string]bool{}
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lines := strings.Split(out, "\n")
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for _, line := range lines {
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line = strings.TrimSpace(line)
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if line == "" || strings.HasPrefix(line, "\"Name\"") || strings.HasPrefix(line, "Name") {
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continue
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}
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// Remove quotes: "Name","AdapterCompatibility"
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line = strings.ReplaceAll(line, "\"", "")
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parts := strings.SplitN(line, ",", 2)
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if len(parts) < 1 {
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continue
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}
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name := strings.TrimSpace(parts[0])
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vendor := ""
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if len(parts) >= 2 {
|
||||
vendor = strings.TrimSpace(parts[1])
|
||||
}
|
||||
if name == "" || seen[name] {
|
||||
continue
|
||||
}
|
||||
if isVirtualGPU(name) {
|
||||
log.Printf("[gpu] SKIP virtual: %s", name)
|
||||
continue
|
||||
}
|
||||
vendor = classifyVendor(vendor, name)
|
||||
if vendor == "unknown" {
|
||||
log.Printf("[gpu] SKIP unknown vendor (vendor=%q name=%q)", vendor, name)
|
||||
continue
|
||||
}
|
||||
seen[name] = true
|
||||
gpus = append(gpus, gpuName{Name: name, Vendor: vendor})
|
||||
}
|
||||
return gpus
|
||||
}
|
||||
|
||||
func parseWMIC(out string) []gpuName {
|
||||
var gpus []gpuName
|
||||
seen := map[string]bool{}
|
||||
lines := strings.Split(out, "\n")
|
||||
for _, line := range lines {
|
||||
line = strings.TrimSpace(line)
|
||||
if line == "" || strings.HasPrefix(line, "Node,") {
|
||||
continue
|
||||
}
|
||||
parts := strings.SplitN(line, ",", 3)
|
||||
if len(parts) < 3 {
|
||||
continue
|
||||
}
|
||||
name := strings.TrimSpace(parts[2])
|
||||
vendor := strings.TrimSpace(parts[1])
|
||||
if name == "" || seen[name] {
|
||||
continue
|
||||
}
|
||||
if isVirtualGPU(name) {
|
||||
log.Printf("[gpu] SKIP virtual: %s", name)
|
||||
continue
|
||||
}
|
||||
vendor = classifyVendor(vendor, name)
|
||||
if vendor == "unknown" {
|
||||
log.Printf("[gpu] SKIP unknown vendor (vendor=%q name=%q)", vendor, name)
|
||||
continue
|
||||
}
|
||||
seen[name] = true
|
||||
gpus = append(gpus, gpuName{Name: name, Vendor: vendor})
|
||||
}
|
||||
return gpus
|
||||
}
|
||||
|
||||
func classifyVendor(vendor, name string) string {
|
||||
lower := strings.ToLower(vendor + " " + name)
|
||||
switch {
|
||||
case strings.Contains(lower, "nvidia"):
|
||||
func classifyByVID(vid uint32) string {
|
||||
switch vid {
|
||||
case 0x10DE:
|
||||
return "nvidia"
|
||||
case strings.Contains(lower, "intel") || strings.Contains(lower, "uhd graphics") ||
|
||||
strings.Contains(lower, "iris") || strings.Contains(lower, "hd graphics"):
|
||||
case 0x8086, 0x1414:
|
||||
return "intel"
|
||||
case strings.Contains(lower, "amd") || strings.Contains(lower, "radeon") || strings.Contains(lower, "ati"):
|
||||
case 0x1002:
|
||||
return "amd"
|
||||
default:
|
||||
return "unknown"
|
||||
}
|
||||
}
|
||||
|
||||
func classifyByName(name string) string {
|
||||
l := toLower(name)
|
||||
switch {
|
||||
case strContains(l, "nvidia"):
|
||||
return "nvidia"
|
||||
case strContains(l, "intel") || strContains(l, "uhd") || strContains(l, "iris") || strContains(l, "hd graphics") || strContains(l, "arc"):
|
||||
return "intel"
|
||||
case strContains(l, "amd") || strContains(l, "radeon") || strContains(l, "ati") || strContains(l, "firepro"):
|
||||
return "amd"
|
||||
default:
|
||||
return "unknown"
|
||||
@@ -147,18 +237,90 @@ func classifyVendor(vendor, name string) string {
|
||||
}
|
||||
|
||||
func isVirtualGPU(name string) bool {
|
||||
lower := strings.ToLower(name)
|
||||
// Filter out virtual/remote/display-only adapters that don't have encoders
|
||||
virtual := []string{
|
||||
l := toLower(name)
|
||||
for _, v := range []string{
|
||||
"virtual", "remote", "rdp", "citrix", "vmware", "hyper-v",
|
||||
"mirror", "indirect", "parsec", "splashtop", "idm",
|
||||
"mirror", "indirect", "parsec", "splashtop",
|
||||
"mirage", "vnc", "displayonly", "basicdisplay",
|
||||
"microsoft basic", "microsoft remote",
|
||||
}
|
||||
for _, v := range virtual {
|
||||
if strings.Contains(lower, v) {
|
||||
} {
|
||||
if strContains(l, v) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func toLower(s string) string {
|
||||
b := make([]byte, len(s))
|
||||
for i := 0; i < len(s); i++ {
|
||||
c := s[i]
|
||||
if c >= 'A' && c <= 'Z' {
|
||||
c += 32
|
||||
}
|
||||
b[i] = c
|
||||
}
|
||||
return string(b)
|
||||
}
|
||||
|
||||
func strContains(s, sub string) bool {
|
||||
return len(sub) <= len(s) && indexOf(s, sub) >= 0
|
||||
}
|
||||
|
||||
func indexOf(s, sub string) int {
|
||||
for i := 0; i <= len(s)-len(sub); i++ {
|
||||
if s[i:i+len(sub)] == sub {
|
||||
return i
|
||||
}
|
||||
}
|
||||
return -1
|
||||
}
|
||||
|
||||
func splitLines(s string) []string {
|
||||
var lines []string
|
||||
for {
|
||||
i := indexOf(s, "\n")
|
||||
if i < 0 {
|
||||
if s != "" {
|
||||
lines = append(lines, s)
|
||||
}
|
||||
break
|
||||
}
|
||||
if i > 0 && s[i-1] == '\r' {
|
||||
lines = append(lines, s[:i-1])
|
||||
} else {
|
||||
lines = append(lines, s[:i])
|
||||
}
|
||||
s = s[i+1:]
|
||||
}
|
||||
return lines
|
||||
}
|
||||
|
||||
func trim(s string) string {
|
||||
for len(s) > 0 && (s[0] == ' ' || s[0] == '\t' || s[0] == '\r' || s[0] == '\n') {
|
||||
s = s[1:]
|
||||
}
|
||||
for len(s) > 0 && (s[len(s)-1] == ' ' || s[len(s)-1] == '\t' || s[len(s)-1] == '\r' || s[len(s)-1] == '\n') {
|
||||
s = s[:len(s)-1]
|
||||
}
|
||||
return s
|
||||
}
|
||||
|
||||
func startsWith(s, prefix string) bool {
|
||||
return len(s) >= len(prefix) && s[:len(prefix)] == prefix
|
||||
}
|
||||
|
||||
func splitN(s, sep string, n int) []string {
|
||||
var r []string
|
||||
for n > 1 {
|
||||
i := indexOf(s, sep)
|
||||
if i < 0 {
|
||||
break
|
||||
}
|
||||
r = append(r, s[:i])
|
||||
s = s[i+len(sep):]
|
||||
n--
|
||||
}
|
||||
r = append(r, s)
|
||||
return r
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user