update peek return type(uint32 -> uint64)

av/codec/aac/asc.go

@@ -81,7 +81,7 @@ func (asc *AudioSpecificConfig) Decode(config []byte) (err error) {
 
 	if asc.ObjectType == AOT_ALS {
 		r.Skip(5)
-		if r.Peek(24) != binary.BigEndian.Uint32([]byte{0, 'A', 'L', 'S'}) {
+		if uint32(r.Peek(24)) != binary.BigEndian.Uint32([]byte{0, 'A', 'L', 'S'}) {
 			r.Skip(24)
 		}
 

av/codec/hevc/vps.go

@@ -36,6 +36,7 @@ type H265RawProfileTierLevel struct {
 	General_profile_idc   uint8
 
 	General_profile_compatibility_flag [32]uint8
+	GeneralProfileCompatibilityFlags   uint32 // shortcut flags 32bits
 
 	General_progressive_source_flag    uint8
 	General_interlaced_source_flag     uint8
@@ -54,6 +55,7 @@ type H265RawProfileTierLevel struct {
 	General_max_14bit_constraint_flag        uint8
 
 	General_inbld_flag              uint8
+	GeneralConstraintIndicatorFlags uint64 // shortcut flags 48bits
 
 	General_level_idc uint8
 
@@ -103,10 +105,12 @@ func (ptl *H265RawProfileTierLevel) decode(r *bits.Reader,
 		ptl.General_tier_flag = r.ReadBit()
 		ptl.General_profile_idc = r.ReadUint8(5)
 
+		ptl.GeneralProfileCompatibilityFlags = uint32(r.Peek(32))
 		for j := 0; j < 32; j++ {
 			ptl.General_profile_compatibility_flag[j] = r.ReadBit()
 		}
 
+		ptl.GeneralConstraintIndicatorFlags = r.Peek(48)
 		ptl.General_progressive_source_flag = r.ReadBit()
 		ptl.General_interlaced_source_flag = r.ReadBit()
 		ptl.General_non_packed_constraint_flag = r.ReadBit()

utils/bits/reader.go

@@ -29,9 +29,9 @@ func (r *Reader) Skip(n int) {
 }
 
 // Peek peek the uint32 of n bits.
-func (r *Reader) Peek(n int) uint32 {
+func (r *Reader) Peek(n int) uint64 {
 	clone := *r
-	return uint32(clone.readUint64(n, 32))
+	return clone.readUint64(n, 64)
 }
 
 // Read read the uint32 of n bits.