stream-server/rtmp/data_loop.go

54 lines
1.6 KiB
Go

package rtmp
import (
"stream_server/rtmp/flv"
"os"
"time"
"path/filepath"
)
func HandleDataLoop(chnk_wrp_ptr *ChunkWrapper) {
StreamCleanup(chnk_wrp_ptr.params.stream_key, 0, nil) // remove any unwanted media files still left over
file_writer, err := flv.NewFLVWriter(chnk_wrp_ptr.params.stream_key) // create a file writer (techincally a pipe to ffmpeg)
defer file_writer.Close()
if err != nil {
return
}
// first data message must always be metadata
if err = chnk_wrp_ptr.ReadMetadata(file_writer); err != nil {
return
}
for {
msg_ptr, err := chnk_wrp_ptr.ReadChunk()
if err != nil {
return
} else if msg_ptr == nil { // if message was not fully read (mostly first video chunk)
continue // skip until full message
}
switch msg_ptr.msg_type {
case 20:
return // should try to process and check specifically for unpublish, works about the same either way
case 8, 9: // audio or video data
if err = file_writer.WriteMediaTag(&(msg_ptr.data), msg_ptr.timestamp, msg_ptr.msg_type); err != nil {
return
}
}
}
}
// find all files in given directory and delete, simple as
func StreamCleanup(stream_key string, delay time.Duration, stream_live *bool) {
time.Sleep(delay * time.Second)
base_dir, _ := os.UserHomeDir() // why would this ever need error handling? if it throws a problem something went very wrong somewhere anyway
if stream_live != nil && *stream_live == true {
return
}
stream_dir := base_dir + "/live/" + stream_key
leftover_files, _ := filepath.Glob(stream_dir + "/*")
for _, file := range leftover_files {
os.Remove(file)
}
}