Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

update docs #116

Merged
merged 1 commit into from
Apr 9, 2024
Merged

update docs #116

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
38 changes: 19 additions & 19 deletions pkg/formats/fmp4/init_track.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ type InitTrack struct {
Codec Codec
}

func (track *InitTrack) marshal(w *mp4Writer) error {
func (it *InitTrack) marshal(w *mp4Writer) error {
/*
|trak|
| |tkhd|
Expand Down Expand Up @@ -84,7 +84,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
var width int
var height int

switch codec := track.Codec.(type) {
switch codec := it.Codec.(type) {
case *CodecAV1:
av1SequenceHeader = &av1.SequenceHeader{}
err = av1SequenceHeader.Unmarshal(codec.SequenceHeader)
Expand Down Expand Up @@ -158,12 +158,12 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
height = codec.Height
}

if track.Codec.IsVideo() {
if it.Codec.IsVideo() {
_, err = w.writeBox(&mp4.Tkhd{ // <tkhd/>
FullBox: mp4.FullBox{
Flags: [3]byte{0, 0, 3},
},
TrackID: uint32(track.ID),
TrackID: uint32(it.ID),
Width: uint32(width * 65536),
Height: uint32(height * 65536),
Matrix: [9]int32{0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000},
Expand All @@ -176,7 +176,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
FullBox: mp4.FullBox{
Flags: [3]byte{0, 0, 3},
},
TrackID: uint32(track.ID),
TrackID: uint32(it.ID),
AlternateGroup: 1,
Volume: 256,
Matrix: [9]int32{0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000},
Expand All @@ -192,14 +192,14 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
}

_, err = w.writeBox(&mp4.Mdhd{ // <mdhd/>
Timescale: track.TimeScale,
Timescale: it.TimeScale,
Language: [3]byte{'u', 'n', 'd'},
})
if err != nil {
return err
}

if track.Codec.IsVideo() {
if it.Codec.IsVideo() {
_, err = w.writeBox(&mp4.Hdlr{ // <hdlr/>
HandlerType: [4]byte{'v', 'i', 'd', 'e'},
Name: "VideoHandler",
Expand All @@ -222,7 +222,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
return err
}

if track.Codec.IsVideo() {
if it.Codec.IsVideo() {
_, err = w.writeBox(&mp4.Vmhd{ // <vmhd/>
FullBox: mp4.FullBox{
Flags: [3]byte{0, 0, 1},
Expand Down Expand Up @@ -281,7 +281,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
return err
}

switch codec := track.Codec.(type) {
switch codec := it.Codec.(type) {
case *CodecAV1:
_, err = w.writeBoxStart(&mp4.VisualSampleEntry{ // <av01>
SampleEntry: mp4.SampleEntry{
Expand Down Expand Up @@ -504,7 +504,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
Tag: mp4.ESDescrTag,
Size: 32 + uint32(len(codec.Config)),
ESDescriptor: &mp4.ESDescriptor{
ESID: uint16(track.ID),
ESID: uint16(it.ID),
},
},
{
Expand Down Expand Up @@ -560,7 +560,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
Tag: mp4.ESDescrTag,
Size: 32 + uint32(len(codec.Config)),
ESDescriptor: &mp4.ESDescriptor{
ESID: uint16(track.ID),
ESID: uint16(it.ID),
},
},
{
Expand Down Expand Up @@ -616,7 +616,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
Tag: mp4.ESDescrTag,
Size: 27,
ESDescriptor: &mp4.ESDescriptor{
ESID: uint16(track.ID),
ESID: uint16(it.ID),
},
},
{
Expand Down Expand Up @@ -690,7 +690,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
Tag: mp4.ESDescrTag,
Size: 32 + uint32(len(enc)),
ESDescriptor: &mp4.ESDescriptor{
ESID: uint16(track.ID),
ESID: uint16(it.ID),
},
},
{
Expand Down Expand Up @@ -742,7 +742,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
Tag: mp4.ESDescrTag,
Size: 27,
ESDescriptor: &mp4.ESDescriptor{
ESID: uint16(track.ID),
ESID: uint16(it.ID),
},
},
{
Expand Down Expand Up @@ -830,7 +830,7 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
}
}

if track.Codec.IsVideo() {
if it.Codec.IsVideo() {
_, err = w.writeBox(&mp4.Btrt{ // <btrt/>
MaxBitrate: 1000000,
AvgBitrate: 1000000,
Expand Down Expand Up @@ -858,25 +858,25 @@ func (track *InitTrack) marshal(w *mp4Writer) error {
return err
}

_, err = w.writeBox(&mp4.Stts{ // <stts>
_, err = w.writeBox(&mp4.Stts{ // <stts/>
})
if err != nil {
return err
}

_, err = w.writeBox(&mp4.Stsc{ // <stsc>
_, err = w.writeBox(&mp4.Stsc{ // <stsc/>
})
if err != nil {
return err
}

_, err = w.writeBox(&mp4.Stsz{ // <stsz>
_, err = w.writeBox(&mp4.Stsz{ // <stsz/>
})
if err != nil {
return err
}

_, err = w.writeBox(&mp4.Stco{ // <stco>
_, err = w.writeBox(&mp4.Stco{ // <stco/>
})
if err != nil {
return err
Expand Down
Loading