VideoTools/author_dvd_functions.go

261 lines
7.3 KiB
Go

package main
import (
"fmt"
"os"
"path/filepath"
"strings"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/widget"
)
// buildDVDRipTab creates a DVD/ISO ripping tab with import support
func buildDVDRipTab(state *appState) fyne.CanvasObject {
// DVD/ISO source
var sourceType string // "dvd" or "iso"
var isDVD5 bool
var isDVD9 bool
var titles []DVDTitle
sourceLabel := widget.NewLabel("No DVD/ISO selected")
sourceLabel.TextStyle = fyne.TextStyle{Bold: true}
var updateTitleList func()
importBtn := widget.NewButton("Import DVD/ISO", func() {
dialog.ShowFileOpen(func(reader fyne.URIReadCloser, err error) {
if err != nil || reader == nil {
return
}
defer reader.Close()
path := reader.URI().Path()
if strings.ToLower(filepath.Ext(path)) == ".iso" {
sourceType = "iso"
sourceLabel.SetText(fmt.Sprintf("ISO: %s", filepath.Base(path)))
} else if isDVDPath(path) {
sourceType = "dvd"
sourceLabel.SetText(fmt.Sprintf("DVD: %s", path))
} else {
dialog.ShowError(fmt.Errorf("not a valid DVD or ISO file"), state.window)
return
}
// Analyze DVD/ISO
analyzedTitles, dvd5, dvd9 := analyzeDVDStructure(path, sourceType)
titles = analyzedTitles
isDVD5 = dvd5
isDVD9 = dvd9
updateTitleList()
}, state.window)
})
importBtn.Importance = widget.HighImportance
// Title list
titleList := container.NewVBox()
updateTitleList = func() {
titleList.Objects = nil
if len(titles) == 0 {
emptyLabel := widget.NewLabel("Import a DVD or ISO to analyze")
emptyLabel.Alignment = fyne.TextAlignCenter
titleList.Add(container.NewCenter(emptyLabel))
return
}
// Add DVD5/DVD9 indicators
if isDVD5 {
dvd5Label := widget.NewLabel("🎞 DVD-5 Detected (Single Layer)")
dvd5Label.Importance = widget.LowImportance
titleList.Add(dvd5Label)
}
if isDVD9 {
dvd9Label := widget.NewLabel("🎞 DVD-9 Detected (Dual Layer)")
dvd9Label.Importance = widget.LowImportance
titleList.Add(dvd9Label)
}
// Add titles
for i, title := range titles {
idx := i
titleCard := widget.NewCard(
fmt.Sprintf("Title %d: %s", idx+1, title.Name),
fmt.Sprintf("%.2fs (%.1f GB)", title.Duration, title.SizeGB),
nil,
)
// Title details
details := container.NewVBox(
widget.NewLabel(fmt.Sprintf("Duration: %.2f seconds", title.Duration)),
widget.NewLabel(fmt.Sprintf("Size: %.1f GB", title.SizeGB)),
widget.NewLabel(fmt.Sprintf("Video: %s", title.VideoCodec)),
widget.NewLabel(fmt.Sprintf("Audio: %d tracks", len(title.AudioTracks))),
widget.NewLabel(fmt.Sprintf("Subtitles: %d tracks", len(title.SubtitleTracks))),
widget.NewLabel(fmt.Sprintf("Chapters: %d", len(title.Chapters))),
)
titleCard.SetContent(details)
// Rip button for this title
ripBtn := widget.NewButton("Rip Title", func() {
ripTitle(title, state)
})
ripBtn.Importance = widget.HighImportance
// Add to controls
controls := container.NewVBox(details, widget.NewSeparator(), ripBtn)
titleCard.SetContent(controls)
titleList.Add(titleCard)
}
}
// Rip all button
ripAllBtn := widget.NewButton("Rip All Titles", func() {
if len(titles) == 0 {
dialog.ShowInformation("No Titles", "Please import a DVD or ISO first", state.window)
return
}
ripAllTitles(titles, state)
})
ripAllBtn.Importance = widget.HighImportance
controls := container.NewVBox(
widget.NewLabel("DVD/ISO Source:"),
sourceLabel,
importBtn,
widget.NewSeparator(),
widget.NewLabel("Titles Found:"),
container.NewScroll(titleList),
widget.NewSeparator(),
container.NewHBox(ripAllBtn),
)
return container.NewPadded(controls)
}
// DVDTitle represents a DVD title
type DVDTitle struct {
Number int
Name string
Duration float64
SizeGB float64
VideoCodec string
AudioTracks []DVDTrack
SubtitleTracks []DVDTrack
Chapters []DVDChapter
AngleCount int
IsPAL bool
}
// DVDTrack represents an audio/subtitle track
type DVDTrack struct {
ID int
Language string
Codec string
Channels int
SampleRate int
Bitrate int
}
// DVDChapter represents a chapter
type DVDChapter struct {
Number int
Title string
StartTime float64
Duration float64
}
// isDVDPath checks if path is likely a DVD structure
func isDVDPath(path string) bool {
// Check for VIDEO_TS directory
videoTS := filepath.Join(path, "VIDEO_TS")
if _, err := os.Stat(videoTS); err == nil {
return true
}
// Check for common DVD file patterns
dirs, err := os.ReadDir(path)
if err != nil {
return false
}
for _, dir := range dirs {
name := strings.ToUpper(dir.Name())
if strings.Contains(name, "VIDEO_TS") ||
strings.Contains(name, "VTS_") {
return true
}
}
return false
}
// analyzeDVDStructure analyzes a DVD or ISO file for titles
func analyzeDVDStructure(path string, sourceType string) ([]DVDTitle, bool, bool) {
// This is a placeholder implementation
// In reality, you would use FFmpeg with DVD input support
dialog.ShowInformation("DVD Analysis",
fmt.Sprintf("Analyzing %s: %s\n\nThis will extract DVD structure and find all titles, audio tracks, and subtitles.", sourceType, filepath.Base(path)),
nil)
// Return sample titles
return []DVDTitle{
{
Number: 1,
Name: "Main Feature",
Duration: 7200, // 2 hours
SizeGB: 7.8,
VideoCodec: "MPEG-2",
AudioTracks: []DVDTrack{
{ID: 1, Language: "en", Codec: "AC-3", Channels: 6, SampleRate: 48000, Bitrate: 448000},
{ID: 2, Language: "es", Codec: "AC-3", Channels: 2, SampleRate: 48000, Bitrate: 192000},
},
SubtitleTracks: []DVDTrack{
{ID: 1, Language: "en", Codec: "SubRip"},
{ID: 2, Language: "es", Codec: "SubRip"},
},
Chapters: []DVDChapter{
{Number: 1, Title: "Chapter 1", StartTime: 0, Duration: 1800},
{Number: 2, Title: "Chapter 2", StartTime: 1800, Duration: 1800},
{Number: 3, Title: "Chapter 3", StartTime: 3600, Duration: 1800},
{Number: 4, Title: "Chapter 4", StartTime: 5400, Duration: 1800},
},
AngleCount: 1,
IsPAL: false,
},
}, false, false // DVD-5 by default for this example
}
// ripTitle rips a single DVD title to MKV format
func ripTitle(title DVDTitle, state *appState) {
// Default to AV1 in MKV for best quality
outputPath := fmt.Sprintf("%s_%s_Title%d.mkv",
strings.TrimSuffix(strings.TrimSuffix(filepath.Base(state.authorFile.Path), filepath.Ext(state.authorFile.Path)), ".dvd"),
title.Name,
title.Number)
dialog.ShowInformation("Rip Title",
fmt.Sprintf("Ripping Title %d: %s\n\nOutput: %s\nFormat: MKV (AV1)\nAudio: All tracks\nSubtitles: All tracks",
title.Number, title.Name, outputPath),
state.window)
// TODO: Implement actual ripping with FFmpeg
// This would use FFmpeg to extract the title with selected codec
// For DVD: ffmpeg -i dvd://1 -c:v libaom-av1 -c:a libopus -map_metadata 0 output.mkv
// For ISO: ffmpeg -i path/to/iso -map 0:v:0 -map 0:a -c:v libaom-av1 -c:a libopus output.mkv
}
// ripAllTitles rips all DVD titles
func ripAllTitles(titles []DVDTitle, state *appState) {
dialog.ShowInformation("Rip All Titles",
fmt.Sprintf("Ripping all %d titles\n\nThis will extract each title to separate MKV files with AV1 encoding.", len(titles)),
state.window)
// TODO: Implement batch ripping
for _, title := range titles {
ripTitle(title, state)
}
}