98 lines
3.2 KiB
Go
98 lines
3.2 KiB
Go
package app
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import "git.leaktechnologies.dev/stu/VideoTools/internal/convert"
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// DVDConvertConfig wraps the convert.convertConfig for DVD-specific operations
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// This adapter allows main.go to work with the convert package without refactoring
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type DVDConvertConfig struct {
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cfg convert.ConvertConfig
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}
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// NewDVDConfig creates a new DVD-NTSC preset configuration
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func NewDVDConfig() *DVDConvertConfig {
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return &DVDConvertConfig{
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cfg: convert.DVDNTSCPreset(),
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}
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}
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// GetFFmpegArgs builds the complete FFmpeg command arguments for DVD encoding
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// This is the main interface that main.go should use for DVD conversions
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func (d *DVDConvertConfig) GetFFmpegArgs(inputPath, outputPath string, videoWidth, videoHeight int, videoFramerate float64, audioSampleRate int, isProgressive bool) []string {
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// Create a minimal videoSource for passing to BuildDVDFFmpegArgs
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tempSrc := &convert.VideoSource{
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Width: videoWidth,
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Height: videoHeight,
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FrameRate: videoFramerate,
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AudioRate: audioSampleRate,
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FieldOrder: fieldOrderFromProgressive(isProgressive),
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}
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return convert.BuildDVDFFmpegArgs(inputPath, outputPath, d.cfg, tempSrc)
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}
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// ValidateForDVD performs all DVD validation checks
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// Returns a list of validation warnings/errors
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func (d *DVDConvertConfig) ValidateForDVD(videoWidth, videoHeight int, videoFramerate float64, audioSampleRate int, isProgressive bool) []convert.DVDValidationWarning {
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tempSrc := &convert.VideoSource{
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Width: videoWidth,
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Height: videoHeight,
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FrameRate: videoFramerate,
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AudioRate: audioSampleRate,
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FieldOrder: fieldOrderFromProgressive(isProgressive),
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}
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return convert.ValidateDVDNTSC(tempSrc, d.cfg)
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}
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// GetPresetInfo returns a description of the DVD-NTSC preset
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func (d *DVDConvertConfig) GetPresetInfo() string {
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return convert.DVDNTSCInfo()
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}
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// helper function to convert boolean to field order string
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func fieldOrderFromProgressive(isProgressive bool) string {
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if isProgressive {
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return "progressive"
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}
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return "interlaced"
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}
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// DVDPresetInfo provides information about DVD-NTSC capability
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type DVDPresetInfo struct {
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Name string
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Description string
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VideoCodec string
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AudioCodec string
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Container string
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Resolution string
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FrameRate string
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DefaultBitrate string
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MaxBitrate string
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Features []string
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}
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// GetDVDPresetInfo returns detailed information about the DVD-NTSC preset
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func GetDVDPresetInfo() DVDPresetInfo {
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return DVDPresetInfo{
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Name: "DVD-NTSC (Region-Free)",
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Description: "Professional DVD-Video output compatible with DVD authoring tools and PS2",
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VideoCodec: "MPEG-2",
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AudioCodec: "AC-3 (Dolby Digital)",
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Container: "MPEG Program Stream (.mpg)",
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Resolution: "720x480 (NTSC Full D1)",
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FrameRate: "29.97 fps",
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DefaultBitrate: "6000 kbps",
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MaxBitrate: "9000 kbps (PS2-safe)",
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Features: []string{
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"DVDStyler-compatible output (no re-encoding)",
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"PlayStation 2 compatible",
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"Standalone DVD player compatible",
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"Automatic aspect ratio handling (4:3 or 16:9)",
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"Automatic audio resampling to 48kHz",
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"Framerate conversion (23.976p, 24p, 30p, 60p support)",
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"Interlacing detection and preservation",
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"Region-free authoring support",
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},
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}
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}
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