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[chore] update go-mp4 to latest commit (#2028)

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This adds support for probing mp4 files with a co64 box instead of an stco box,
which is the case for videos recorded on newer android devices.
This commit is contained in:
Dominik Süß
2023-07-27 10:31:36 +02:00
committed by GitHub
parent 22ac4607a1
commit 98c2b8ff7e
4 changed files with 25 additions and 14 deletions
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31
vendor/github.com/abema/go-mp4/probe.go generated vendored
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@ -66,7 +66,7 @@ type Sample struct {
type Chunks []*Chunk
type Chunk struct {
DataOffset uint32
DataOffset uint64
SamplesPerChunk uint32
}
@ -195,6 +195,7 @@ func probeTrak(r io.ReadSeeker, bi *BoxInfo) (*Track, error) {
{BoxTypeMdia(), BoxTypeMinf(), BoxTypeStbl(), BoxTypeStsd(), BoxTypeEnca()},
{BoxTypeMdia(), BoxTypeMinf(), BoxTypeStbl(), BoxTypeStsd(), BoxTypeEnca(), BoxTypeEsds()},
{BoxTypeMdia(), BoxTypeMinf(), BoxTypeStbl(), BoxTypeStco()},
{BoxTypeMdia(), BoxTypeMinf(), BoxTypeStbl(), BoxTypeCo64()},
{BoxTypeMdia(), BoxTypeMinf(), BoxTypeStbl(), BoxTypeStts()},
{BoxTypeMdia(), BoxTypeMinf(), BoxTypeStbl(), BoxTypeCtts()},
{BoxTypeMdia(), BoxTypeMinf(), BoxTypeStbl(), BoxTypeStsc()},
@ -215,6 +216,7 @@ func probeTrak(r io.ReadSeeker, bi *BoxInfo) (*Track, error) {
var stsc *Stsc
var ctts *Ctts
var stsz *Stsz
var co64 *Co64
for _, bip := range bips {
switch bip.Info.Type {
case BoxTypeTkhd():
@ -250,6 +252,8 @@ func probeTrak(r io.ReadSeeker, bi *BoxInfo) (*Track, error) {
ctts = bip.Payload.(*Ctts)
case BoxTypeStsz():
stsz = bip.Payload.(*Stsz)
case BoxTypeCo64():
co64 = bip.Payload.(*Co64)
}
}
@ -299,14 +303,21 @@ func probeTrak(r io.ReadSeeker, bi *BoxInfo) (*Track, error) {
}
}
if stco == nil {
return nil, errors.New("stco box not found")
}
track.Chunks = make([]*Chunk, 0)
for _, offset := range stco.ChunkOffset {
track.Chunks = append(track.Chunks, &Chunk{
DataOffset: offset,
})
if stco != nil {
for _, offset := range stco.ChunkOffset {
track.Chunks = append(track.Chunks, &Chunk{
DataOffset: uint64(offset),
})
}
} else if co64 != nil {
for _, offset := range co64.ChunkOffset {
track.Chunks = append(track.Chunks, &Chunk{
DataOffset: offset,
})
}
} else {
return nil, errors.New("stco/co64 box not found")
}
if stts == nil {
@ -572,7 +583,7 @@ func FindIDRFrames(r io.ReadSeeker, trackInfo *TrackInfo) ([]int, error) {
continue
}
for nalOffset := uint32(0); nalOffset+lengthSize+1 <= sample.Size; {
if _, err := r.Seek(int64(dataOffset+nalOffset), io.SeekStart); err != nil {
if _, err := r.Seek(int64(dataOffset+uint64(nalOffset)), io.SeekStart); err != nil {
return nil, err
}
data := make([]byte, lengthSize+1)
@ -591,7 +602,7 @@ func FindIDRFrames(r io.ReadSeeker, trackInfo *TrackInfo) ([]int, error) {
}
nalOffset += lengthSize + length
}
dataOffset += sample.Size
dataOffset += uint64(sample.Size)
}
}
return idxs, nil