mp4: fix H265 + iOS compatibility (#290)

On iOS, H265 requires the hvc1 box instead of the hev1 box.

Co-authored-by: aler9 <46489434+aler9@users.noreply.github.com>

Author: mainavinhoon

internal/mp4/codec_boxes.go

@@ -257,7 +257,7 @@ func (r *CodecBoxesReader) Read(h *amp4.ReadHandle) (any, error) {
 		}
 		r.state = waitingAdditional
 
-	case "hev1", "hvc1":
+	case "hvc1", "hev1":
 		if r.state != initial {
 			return nil, fmt.Errorf("unexpected box '%v'", h.BoxInfo.Type)
 		}
@@ -584,7 +584,7 @@ func WriteCodecBoxes(w *Writer, codec codecs.Codec, trackID int, info *CodecInfo
 		|    |av1C|
 		|vp09| (VP9)
 		|    |vpcC|
-		|hev1| (H265)
+		|hvc1| (H265)
 		|    |hvcC|
 		|avc1| (H264)
 		|    |avcC|
@@ -682,10 +682,10 @@ func WriteCodecBoxes(w *Writer, codec codecs.Codec, trackID int, info *CodecInfo
 		}
 
 	case *codecs.H265:
-		_, err := w.WriteBoxStart(&amp4.VisualSampleEntry{ // <hev1>
+		_, err := w.WriteBoxStart(&amp4.VisualSampleEntry{ // <hvc1>
 			SampleEntry: amp4.SampleEntry{
 				AnyTypeBox: amp4.AnyTypeBox{
-					Type: amp4.BoxTypeHev1(),
+					Type: amp4.BoxTypeHvc1(),
 				},
 				DataReferenceIndex: 1,
 			},

pkg/formats/fmp4/init_test.go

@@ -242,15 +242,12 @@ var casesInit = []struct {
 	{
 		"h265",
 		[]byte{
-			0x00, 0x00, 0x00, 0x20,
-			'f', 't', 'y', 'p',
+			0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70,
 			0x6d, 0x70, 0x34, 0x32, 0x00, 0x00, 0x00, 0x01,
 			0x6d, 0x70, 0x34, 0x31, 0x6d, 0x70, 0x34, 0x32,
 			0x69, 0x73, 0x6f, 0x6d, 0x68, 0x6c, 0x73, 0x66,
-			0x00, 0x00, 0x02, 0xb8,
-			'm', 'o', 'o', 'v',
-			0x00, 0x00, 0x00, 0x6c,
-			'm', 'v', 'h', 'd',
+			0x00, 0x00, 0x02, 0xb8, 0x6d, 0x6f, 0x6f, 0x76,
+			0x00, 0x00, 0x00, 0x6c, 0x6d, 0x76, 0x68, 0x64,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xe8,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
@@ -298,7 +295,7 @@ var casesInit = []struct {
 			0x23, 0x73, 0x74, 0x62, 0x6c, 0x00, 0x00, 0x00,
 			0xd7, 0x73, 0x74, 0x73, 0x64, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
-			0xc7, 0x68, 0x65, 0x76, 0x31, 0x00, 0x00, 0x00,
+			0xc7, 0x68, 0x76, 0x63, 0x31, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x80, 0x04,

pkg/formats/pmp4/presentation_test.go

@@ -393,7 +393,7 @@ var casesPresentation = []struct {
 			0x00, 0x00, 0x01, 0x43, 0x73, 0x74, 0x62, 0x6c,
 			0x00, 0x00, 0x00, 0xc3, 0x73, 0x74, 0x73, 0x64,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
-			0x00, 0x00, 0x00, 0xb3, 0x68, 0x65, 0x76, 0x31,
+			0x00, 0x00, 0x00, 0xb3, 0x68, 0x76, 0x63, 0x31,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -1197,7 +1197,7 @@ var casesPresentation = []struct {
 			0x01, 0x00, 0x00, 0x01, 0x43, 0x73, 0x74, 0x62,
 			0x6c, 0x00, 0x00, 0x00, 0xc3, 0x73, 0x74, 0x73,
 			0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			0x01, 0x00, 0x00, 0x00, 0xb3, 0x68, 0x65, 0x76,
+			0x01, 0x00, 0x00, 0x00, 0xb3, 0x68, 0x76, 0x63,
 			0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 			0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,