m3u8d/merge.go

67 lines
1.4 KiB
Go

package m3u8d
import (
"bytes"
"errors"
"github.com/yapingcat/gomedia/mp4"
"github.com/yapingcat/gomedia/mpeg2"
"io/ioutil"
"os"
"strconv"
)
type MergeTsFileListToSingleMp4_Req struct {
TsFileList []string
OutputMp4 string
}
func MergeTsFileListToSingleMp4(req MergeTsFileListToSingleMp4_Req) (err error) {
mp4file, err := os.OpenFile(req.OutputMp4, os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0666)
if err != nil {
return err
}
defer mp4file.Close()
muxer := mp4.CreateMp4Muxer(mp4file)
vtid := muxer.AddVideoTrack(mp4.MP4_CODEC_H264)
atid := muxer.AddAudioTrack(mp4.MP4_CODEC_AAC, 0, 16, 44100)
demuxer := mpeg2.NewTSDemuxer()
var OnFrameErr error
demuxer.OnFrame = func(cid mpeg2.TS_STREAM_TYPE, frame []byte, pts uint64, dts uint64) {
if OnFrameErr != nil {
return
}
if cid == mpeg2.TS_STREAM_AAC {
OnFrameErr = muxer.Write(atid, frame, pts, dts)
} else if cid == mpeg2.TS_STREAM_H264 {
OnFrameErr = muxer.Write(vtid, frame, pts, dts)
} else {
OnFrameErr = errors.New("unknown cid " + strconv.Itoa(int(cid)))
}
}
for idx, tsFile := range req.TsFileList {
DrawProgressBar(len(req.TsFileList), idx)
var buf []byte
buf, err = ioutil.ReadFile(tsFile)
if err != nil {
return err
}
err = demuxer.Input(bytes.NewReader(buf))
if err != nil {
return err
}
if OnFrameErr != nil {
return OnFrameErr
}
}
err = muxer.WriteTrailer()
if err != nil {
return err
}
DrawProgressBar(1, 1)
return err
}