Dmitry Sergeev
92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
package video
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import (
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"fmt"
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"sort"
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"mxl-pattern-generator/kernels"
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)
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type PatternInfo struct {
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Name string
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Description string
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}
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type pattern struct {
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PatternInfo
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kernelSource string
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dynamic bool
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}
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var patterns = map[string]pattern{
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"ebu75": {
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PatternInfo: PatternInfo{Name: "ebu75", Description: "EBU 75% Color Bar Signal"},
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kernelSource: mustReadKernel("static/ebu75.wgsl"),
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},
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"ebu75-move": {
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PatternInfo: PatternInfo{Name: "ebu75-move", Description: "EBU 75% Color Bar Signal with moving square"},
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kernelSource: mustReadKernel("dynamic/ebu75.wgsl"),
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dynamic: true,
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},
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"ebu100": {
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PatternInfo: PatternInfo{Name: "ebu100", Description: "EBU 100% Color Bar Signal"},
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kernelSource: mustReadKernel("static/ebu100.wgsl"),
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},
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"ebu100-move": {
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PatternInfo: PatternInfo{Name: "ebu100-move", Description: "EBU 100% Color Bar Signal with moving square"},
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kernelSource: mustReadKernel("dynamic/ebu100.wgsl"),
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dynamic: true,
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},
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"smpte": {
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PatternInfo: PatternInfo{Name: "smpte", Description: "SMPTE RP-219 Color Bar Signal"},
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kernelSource: mustReadKernel("static/smpteBars.wgsl"),
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},
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"smpte-move": {
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PatternInfo: PatternInfo{Name: "smpte-move", Description: "SMPTE RP-219 Color Bar Signal with moving square"},
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kernelSource: mustReadKernel("dynamic/smpteBars.wgsl"),
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dynamic: true,
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},
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"gray-bars": {
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PatternInfo: PatternInfo{Name: "gray-bars", Description: "13-step grayscale bars (Y 64..940)"},
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kernelSource: mustReadKernel("static/yBars.wgsl"),
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},
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"gray-bars-move": {
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PatternInfo: PatternInfo{Name: "gray-bars-move", Description: "13-step grayscale bars (Y 64..940) with moving square"},
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kernelSource: mustReadKernel("dynamic/yBars.wgsl"),
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dynamic: true,
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},
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"gray-ramp": {
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PatternInfo: PatternInfo{Name: "gray-ramp", Description: "Y gradient (black -> 100% white)"},
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kernelSource: mustReadKernel("static/yRamp.wgsl"),
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},
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"gray-ramp-move": {
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PatternInfo: PatternInfo{Name: "gray-ramp-move", Description: "Y gradient with moving square"},
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kernelSource: mustReadKernel("dynamic/yRamp.wgsl"),
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dynamic: true,
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},
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}
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func mustReadKernel(name string) string {
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source, err := kernels.Read(name)
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if err != nil {
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panic(fmt.Sprintf("read embedded video kernel %q: %v", name, err))
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}
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return string(source)
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}
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func HasPattern(name string) bool {
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_, ok := patterns[name]
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return ok
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}
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func Patterns() []PatternInfo {
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result := make([]PatternInfo, 0, len(patterns))
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for _, pattern := range patterns {
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result = append(result, pattern.PatternInfo)
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}
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sort.Slice(result, func(i, j int) bool {
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return result[i].Name < result[j].Name
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})
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return result
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}
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