telegram_sticker_converter/cmd/webm_file_convert/webm_file_convert.go

76 lines
1.9 KiB
Go

package main
import (
"context"
"flag"
"fmt"
"os"
converter "github.com/yazmeyaa/telegram_sticker_converter"
"github.com/yazmeyaa/telegram_sticker_converter/webm"
)
func main() {
filePath := flag.String("file", "", "path to input .tgs file")
outPath := flag.String("out", "", "path to output file")
format := flag.String("format", "png", "output format (png|jpeg|webp|gif|webm|mp4|lottie)")
frame := flag.String("frame", "all", "frame selector (first|all|n)")
frameIndex := flag.Uint("frame-index", 0, "frame index (used only with frame=n)")
resizeW := flag.Uint("resize-width", 0, "resize width (0 = keep original)")
resizeH := flag.Uint("resize-height", 0, "resize height (0 = keep original)")
flag.Parse()
if *filePath == "" {
fmt.Fprintln(os.Stderr, "error: -file is required")
os.Exit(1)
}
if *outPath == "" {
fmt.Fprintln(os.Stderr, "error: -out is required")
os.Exit(1)
}
in, err := os.Open(*filePath)
if err != nil {
fmt.Fprintf(os.Stderr, "error opening file: %v\n", err)
os.Exit(1)
}
defer in.Close()
out, err := os.Create(*outPath)
if err != nil {
fmt.Fprintf(os.Stderr, "error creating output: %v\n", err)
os.Exit(1)
}
defer out.Close()
var frameSel converter.FrameSelector
switch *frame {
case "first":
frameSel = converter.FrameFirst
case "all":
frameSel = converter.FrameAll
case "n":
frameSel = converter.FrameN
default:
fmt.Fprintf(os.Stderr, "unknown frame selector: %s\n", *frame)
os.Exit(1)
}
opts := converter.WEBMTransformOptions{
Format: converter.OutputFormat(*format),
Frame: frameSel,
FrameIndex: *frameIndex,
Width: *resizeW,
Height: *resizeH,
}
converter := converter.WEBMConverter(webm.NewConverter())
if err := converter.Transform(context.Background(), in, out, opts); err != nil {
fmt.Fprintf(os.Stderr, "transform failed: %v\n", err)
os.Exit(1)
}
os.Exit(0)
}