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decode: Make FieldFormat usage more consistent

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Will make it easier to refactor later on
This commit is contained in:
Mattias Wadman 2022-12-19 19:12:48 +01:00
parent ec01566fea
commit a85da29544
5 changed files with 22 additions and 23 deletions
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4
format/flac/flac_metadatablocks.go
View File

@ -28,9 +28,9 @@ func metadatablocksDecode(d *decode.D, _ any) any {
isLastBlock := false
for !isLastBlock {
dv, v := d.FieldFormat("metadatablock", flacMetadatablockFormat, nil)
_, v := d.FieldFormat("metadatablock", flacMetadatablockFormat, nil)
flacMetadatablockOut, ok := v.(format.FlacMetadatablockOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected FlacMetadatablocksOut, got %#+v", flacMetadatablockOut))
}
isLastBlock = flacMetadatablockOut.IsLastBlock

16
format/matroska/matroska.go
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@ -441,9 +441,9 @@ func matroskaDecode(d *decode.D, _ any) any {
})
})
case "A_AAC":
dv, v := t.parentD.FieldFormatRange("value", t.codecPrivatePos, t.codecPrivateTagSize, mpegASCFrameFormat, nil)
_, v := t.parentD.FieldFormatRange("value", t.codecPrivatePos, t.codecPrivateTagSize, mpegASCFrameFormat, nil)
mpegASCOut, ok := v.(format.MPEGASCOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected mpegASCOut got %#+v", v))
}
//nolint:gosimple
@ -454,9 +454,9 @@ func matroskaDecode(d *decode.D, _ any) any {
t.parentD.RangeFn(t.codecPrivatePos, t.codecPrivateTagSize, func(d *decode.D) {
d.FieldStruct("value", func(d *decode.D) {
d.FieldUTF8("magic", 4, d.StrAssert("fLaC"))
dv, v := d.FieldFormat("metadatablocks", flacMetadatablocksFormat, nil)
_, v := d.FieldFormat("metadatablocks", flacMetadatablocksFormat, nil)
flacMetadatablockOut, ok := v.(format.FlacMetadatablocksOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected FlacMetadatablockOut got %#+v", v))
}
if flacMetadatablockOut.HasStreamInfo {
@ -465,16 +465,16 @@ func matroskaDecode(d *decode.D, _ any) any {
})
})
case "V_MPEG4/ISO/AVC":
dv, v := t.parentD.FieldFormatRange("value", t.codecPrivatePos, t.codecPrivateTagSize, mpegAVCDCRFormat, nil)
_, v := t.parentD.FieldFormatRange("value", t.codecPrivatePos, t.codecPrivateTagSize, mpegAVCDCRFormat, nil)
avcDcrOut, ok := v.(format.AvcDcrOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected AvcDcrOut got %#+v", v))
}
t.formatInArg = format.AvcAuIn{LengthSize: avcDcrOut.LengthSize} //nolint:gosimple
case "V_MPEGH/ISO/HEVC":
dv, v := t.parentD.FieldFormatRange("value", t.codecPrivatePos, t.codecPrivateTagSize, mpegHEVCDCRFormat, nil)
_, v := t.parentD.FieldFormatRange("value", t.codecPrivatePos, t.codecPrivateTagSize, mpegHEVCDCRFormat, nil)
hevcDcrOut, ok := v.(format.HevcDcrOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected HevcDcrOut got %#+v", v))
}
t.formatInArg = format.HevcAuIn{LengthSize: hevcDcrOut.LengthSize} //nolint:gosimple

17
format/mp4/boxes.go
View File

@ -662,18 +662,18 @@ func decodeBox(ctx *decodeContext, d *decode.D, typ string) {
i++
})
case "avcC":
dv, v := d.FieldFormat("descriptor", avcDCRFormat, nil)
_, v := d.FieldFormat("descriptor", avcDCRFormat, nil)
avcDcrOut, ok := v.(format.AvcDcrOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected AvcDcrOut got %#+v", v))
}
if t := ctx.currentTrack(); t != nil {
t.formatInArg = format.AvcAuIn{LengthSize: avcDcrOut.LengthSize} //nolint:gosimple
}
case "hvcC":
dv, v := d.FieldFormat("descriptor", hevcCDCRFormat, nil)
_, v := d.FieldFormat("descriptor", hevcCDCRFormat, nil)
hevcDcrOut, ok := v.(format.HevcDcrOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected HevcDcrOut got %#+v", v))
}
if t := ctx.currentTrack(); t != nil {
@ -682,9 +682,9 @@ func decodeBox(ctx *decodeContext, d *decode.D, typ string) {
case "dfLa":
d.FieldU8("version")
d.FieldU24("flags")
dv, v := d.FieldFormat("descriptor", flacMetadatablocksFormat, nil)
_, v := d.FieldFormat("descriptor", flacMetadatablocksFormat, nil)
flacMetadatablockOut, ok := v.(format.FlacMetadatablocksOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected FlacMetadatablockOut got %#+v", v))
}
if flacMetadatablockOut.HasStreamInfo {
@ -702,10 +702,9 @@ func decodeBox(ctx *decodeContext, d *decode.D, typ string) {
d.FieldFormat("descriptor", vpxCCRFormat, nil)
case "esds":
d.FieldU32("version")
dv, v := d.FieldFormat("descriptor", mpegESFormat, nil)
_, v := d.FieldFormat("descriptor", mpegESFormat, nil)
mpegEsOut, ok := v.(format.MpegEsOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected mpegEsOut got %#+v", v))
}

4
format/mpeg/mpeg_es.go
View File

@ -244,9 +244,9 @@ func odDecodeTag(d *decode.D, edc *esDecodeContext, _ int, fn func(d *decode.D))
switch format.MpegObjectTypeStreamType[objectType] {
case format.MPEGStreamTypeAudio:
fieldODDecodeTag(d, edc, "decoder_specific_info", -1, func(d *decode.D) {
dv, v := d.FieldFormat("audio_specific_config", mpegASCFormat, nil)
_, v := d.FieldFormat("audio_specific_config", mpegASCFormat, nil)
mpegASCout, ok := v.(format.MPEGASCOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected MPEGASCOut got %#+v", v))
}
if edc.currentDecoderConfig != nil {

4
format/ogg/ogg.go
View File

@ -142,9 +142,9 @@ func decodeOgg(d *decode.D, _ any) any {
d.FieldU8("minor")
d.FieldU16("header_packets")
d.FieldUTF8("flac_signature", 4)
dv, v := d.FieldFormat("metadatablock", flacMetadatablockFormat, nil)
_, v := d.FieldFormat("metadatablock", flacMetadatablockFormat, nil)
flacMetadatablockOut, ok := v.(format.FlacMetadatablockOut)
if dv != nil && !ok {
if !ok {
panic(fmt.Sprintf("expected FlacMetadatablockOut, got %#+v", flacMetadatablockOut))
}
s.flacStreamInfo = flacMetadatablockOut.StreamInfo