aux platform

extract/trans_frame.go

@@ -50,6 +50,7 @@ func (p *Extractor) ExtractOriginalImageData() ([]string, error) {
 	var sData []string
 	name := filepath.Base(p.params.InputData)
 	aosDataFile := filepath.Join(p.params.TempPath, AOSTempDataPrefix+name)
+	nullFrmCnt := 0
 
 	aosData, err := os.ReadFile(aosDataFile)
 	if err != nil {
@@ -60,6 +61,9 @@ func (p *Extractor) ExtractOriginalImageData() ([]string, error) {
 	snRange := map[int][]uint32{}
 	datSet := map[int][]byte{}
 
+	fsn, _ := os.Create("demo/temp/tf_sn.txt")
+	defer fsn.Close()
+
 	var i int
 	for i < len(aosData) {
 		if i+4 > len(aosData) {
@@ -69,7 +73,7 @@ func (p *Extractor) ExtractOriginalImageData() ([]string, error) {
 
 		if aosData[i] == 0xE7 && aosData[i+1] == 0x7E && aosData[i+2] == 0xE7 && aosData[i+3] == 0x7E {
 			if i+TransImageFrameLength > len(aosData) {
-				log.Println("trans frame length error")
+				log.Println("there are not enough data for a trans frame", len(aosData)-i)
 				break
 			}
 
@@ -77,10 +81,13 @@ func (p *Extractor) ExtractOriginalImageData() ([]string, error) {
 			tf.Decode(aosData[i : i+TransImageFrameLength])
 			fileno := int(tf.FileNo)
 			snRange[fileno] = append(snRange[fileno], tf.SNo)
+			fsn.WriteString(fmt.Sprintf("%d 	%d 		%d\n", i, tf.SNo, fileno))
 
 			// 只保留非空帧
 			if tf.FrameFlag != 0x55 && fileno != 0 {
 				datSet[fileno] = append(datSet[fileno], tf.Data...)
+			} else {
+				nullFrmCnt++
 			}
 
 			i += TransImageFrameLength
@@ -89,6 +96,8 @@ func (p *Extractor) ExtractOriginalImageData() ([]string, error) {
 		i++
 	}
 
+	fmt.Println("nullFrmCnt:", nullFrmCnt)
+
 	for k, v := range snRange {
 		vv := slice.Unique(v)
 		sort.Slice(vv, func(i, j int) bool { return vv[i] < vv[j] })