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2023-10-17 15:38:39 CST W42D2

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aggresss
2023-10-17 15:38:39 +08:00
parent 3189856a17
commit 762aa14362
39 changed files with 1481 additions and 309 deletions
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10
avutil_channel_layout.go
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@@ -73,7 +73,7 @@ const (
AV_CH_LAYOUT_22POINT2 = uint64(C.AV_CH_LAYOUT_22POINT2)
)
type AvMatrixEncoding int32
type AvMatrixEncoding = C.enum_AVMatrixEncoding
const (
AV_MATRIX_ENCODING_NONE = AvMatrixEncoding(C.AV_MATRIX_ENCODING_NONE)
@@ -101,10 +101,14 @@ func AvGetExtendedChannelLayout(name string, channelLayout *uint64, nbChannels *
(*C.uint64_t)(channelLayout), (*C.int32_t)(nbChannels)))
}
const AV_CH_LAYOUT_MAX_STRING_SIZE = 256
// AvGetChannelLayoutString returns a description of a channel layout.
func AvGetChannelLayoutString(buf *int8, bufSize, nbChannels int32, channelLayout uint64) {
C.av_get_channel_layout_string((*C.char)(buf), (C.int)(bufSize),
func AvGetChannelLayoutString(nbChannels int32, channelLayout uint64) string {
buf := make([]C.char, AV_CH_LAYOUT_MAX_STRING_SIZE)
C.av_get_channel_layout_string((*C.char)(&buf[0]), (C.int)(AV_CH_LAYOUT_MAX_STRING_SIZE),
(C.int)(nbChannels), (C.uint64_t)(channelLayout))
return C.GoString((*C.char)(&buf[0]))
}
// AvBprintChannelLayout appends a description of a channel layout to a bprint buffer.