mirror of
https://github.com/aler9/gortsplib
synced 2025-10-04 14:52:46 +08:00
447 lines
12 KiB
Go
447 lines
12 KiB
Go
package rtpaac
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import (
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"bytes"
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"testing"
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"time"
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"github.com/pion/rtp/v2"
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"github.com/stretchr/testify/require"
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)
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func mergeBytes(vals ...[]byte) []byte {
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size := 0
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for _, v := range vals {
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size += len(v)
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}
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res := make([]byte, size)
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pos := 0
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for _, v := range vals {
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n := copy(res[pos:], v)
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pos += n
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}
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return res
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}
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var cases = []struct {
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name string
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aus [][]byte
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pts time.Duration
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enc [][]byte
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}{
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{
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"single",
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[][]byte{
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{
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0x21, 0x1a, 0xd4, 0xf5, 0x9e, 0x20, 0xc5, 0x42,
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0x89, 0x40, 0xa2, 0x9b, 0x3c, 0x94, 0xdd, 0x28,
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0x94, 0x48, 0xd5, 0x8b, 0xb0, 0x2, 0xdb, 0x1b,
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0xeb, 0xe0, 0xfa, 0x9f, 0xea, 0x91, 0xa7, 0x3,
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0xe8, 0x6b, 0xe5, 0x5, 0x95, 0x6, 0x62, 0x88,
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0x13, 0xa, 0x15, 0xa0, 0xeb, 0xef, 0x40, 0x82,
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0xdf, 0x49, 0xf2, 0xe0, 0x26, 0xfc, 0x52, 0x5b,
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0x6c, 0x2a, 0x2d, 0xe8, 0xa5, 0x70, 0xc5, 0xaf,
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0xfc, 0x98, 0x9a, 0x2f, 0x1f, 0xbb, 0xa2, 0xcb,
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0xb8, 0x26, 0xb6, 0x6e, 0x4c, 0x15, 0x6c, 0x21,
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0x3d, 0x35, 0xf6, 0xcf, 0xa4, 0x3b, 0x72, 0x26,
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0xe1, 0x3a, 0x3a, 0x99, 0xd8, 0x2d, 0x6a, 0x22,
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0xcd, 0x97, 0xa, 0xef, 0x52, 0x9c, 0x5f, 0xcd,
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0x5c, 0xd9, 0xd3, 0x12, 0x7e, 0x45, 0x45, 0xb3,
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0x24, 0xef, 0xd3, 0x4f, 0x2f, 0x96, 0xd9, 0x8b,
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0x9c, 0xc2, 0xcd, 0x54, 0xb, 0x6e, 0x19, 0x84,
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0x56, 0xeb, 0x85, 0x52, 0x63, 0x64, 0x28, 0xb2,
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0xf2, 0xcf, 0xb8, 0xa8, 0x71, 0x53, 0x6, 0x82,
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0x88, 0xf2, 0xc4, 0xe1, 0x7d, 0x65, 0x54, 0xe0,
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0x5e, 0xc8, 0x38, 0x75, 0x9d, 0xb0, 0x58, 0x65,
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0x41, 0xa2, 0xcd, 0xdb, 0x1b, 0x9e, 0xac, 0xd1,
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0xbe, 0xc9, 0x22, 0xf5, 0xe9, 0xc6, 0x6f, 0xaf,
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0xf8, 0xb1, 0x4c, 0xcb, 0xa2, 0x56, 0x11, 0xa4,
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0xd7, 0xfd, 0xe5, 0xef, 0x8e, 0xbf, 0xce, 0x4b,
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0xef, 0xe1, 0xd, 0xc0, 0x27, 0x18, 0xe2, 0x64,
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0x63, 0x5, 0x16, 0x6, 0xc, 0x34, 0xe, 0xf3, 0x62,
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0xc2, 0xd6, 0x42, 0x5d, 0x66, 0x81, 0x4, 0x65,
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0x76, 0xaa, 0xe7, 0x39, 0xdd, 0x8e, 0xfe, 0x48,
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0x23, 0x3a, 0x1, 0xc4, 0xd3, 0x65, 0x80, 0x28,
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0x6f, 0x9b, 0xc9, 0xb7, 0x4e, 0x44, 0x4c, 0x98,
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0x6a, 0x5f, 0x3b, 0x97, 0x81, 0x9b, 0xa9, 0xab,
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0xfd, 0xcf, 0x8e, 0x78, 0xbd, 0x4d, 0x70, 0x81,
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0x9b, 0x2d, 0x85, 0x94, 0x74, 0x2a, 0x3a, 0xb4,
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0xff, 0x4a, 0x13, 0x70, 0x76, 0x2c, 0x2f, 0x13,
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0x5b, 0x43, 0xf9, 0x17, 0xee, 0x26, 0x37, 0x1,
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0xbc, 0x9f, 0xb, 0xe, 0x68, 0xcb, 0x87, 0x65,
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0x86, 0xcc, 0x4c, 0x2f, 0x7a, 0x14, 0xd, 0xd1,
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0xb9, 0x57, 0xbd, 0x50, 0xb6, 0x95, 0x44, 0x1a,
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0xd, 0xc0, 0x15, 0xf, 0xd2, 0xc3, 0x72, 0x4d,
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0x6e, 0x4f, 0x8e, 0x6d, 0x64, 0xdc, 0x64, 0x1f,
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0x33, 0x53, 0x4e, 0xd8, 0xa4, 0x74, 0xf3, 0x33,
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0x4, 0x68, 0xd9, 0x92, 0xf3, 0x6e, 0xb7, 0x5b,
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0xe6, 0xf6, 0xc3, 0x55, 0x14, 0x54, 0x87, 0x0,
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0xaf, 0x7,
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},
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},
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20 * time.Millisecond,
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x6a, 0x15,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x0a, 0xd8,
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0x21, 0x1a, 0xd4, 0xf5, 0x9e, 0x20, 0xc5, 0x42,
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0x89, 0x40, 0xa2, 0x9b, 0x3c, 0x94, 0xdd, 0x28,
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0x94, 0x48, 0xd5, 0x8b, 0xb0, 0x02, 0xdb, 0x1b,
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0xeb, 0xe0, 0xfa, 0x9f, 0xea, 0x91, 0xa7, 0x03,
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0xe8, 0x6b, 0xe5, 0x05, 0x95, 0x06, 0x62, 0x88,
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0x13, 0x0a, 0x15, 0xa0, 0xeb, 0xef, 0x40, 0x82,
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0xdf, 0x49, 0xf2, 0xe0, 0x26, 0xfc, 0x52, 0x5b,
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0x6c, 0x2a, 0x2d, 0xe8, 0xa5, 0x70, 0xc5, 0xaf,
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0xfc, 0x98, 0x9a, 0x2f, 0x1f, 0xbb, 0xa2, 0xcb,
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0xb8, 0x26, 0xb6, 0x6e, 0x4c, 0x15, 0x6c, 0x21,
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0x3d, 0x35, 0xf6, 0xcf, 0xa4, 0x3b, 0x72, 0x26,
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0xe1, 0x3a, 0x3a, 0x99, 0xd8, 0x2d, 0x6a, 0x22,
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0xcd, 0x97, 0x0a, 0xef, 0x52, 0x9c, 0x5f, 0xcd,
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0x5c, 0xd9, 0xd3, 0x12, 0x7e, 0x45, 0x45, 0xb3,
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0x24, 0xef, 0xd3, 0x4f, 0x2f, 0x96, 0xd9, 0x8b,
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0x9c, 0xc2, 0xcd, 0x54, 0x0b, 0x6e, 0x19, 0x84,
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0x56, 0xeb, 0x85, 0x52, 0x63, 0x64, 0x28, 0xb2,
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0xf2, 0xcf, 0xb8, 0xa8, 0x71, 0x53, 0x06, 0x82,
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0x88, 0xf2, 0xc4, 0xe1, 0x7d, 0x65, 0x54, 0xe0,
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0x5e, 0xc8, 0x38, 0x75, 0x9d, 0xb0, 0x58, 0x65,
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0x41, 0xa2, 0xcd, 0xdb, 0x1b, 0x9e, 0xac, 0xd1,
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0xbe, 0xc9, 0x22, 0xf5, 0xe9, 0xc6, 0x6f, 0xaf,
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0xf8, 0xb1, 0x4c, 0xcb, 0xa2, 0x56, 0x11, 0xa4,
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0xd7, 0xfd, 0xe5, 0xef, 0x8e, 0xbf, 0xce, 0x4b,
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0xef, 0xe1, 0x0d, 0xc0, 0x27, 0x18, 0xe2, 0x64,
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0x63, 0x05, 0x16, 0x06, 0x0c, 0x34, 0x0e, 0xf3,
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0x62, 0xc2, 0xd6, 0x42, 0x5d, 0x66, 0x81, 0x04,
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0x65, 0x76, 0xaa, 0xe7, 0x39, 0xdd, 0x8e, 0xfe,
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0x48, 0x23, 0x3a, 0x01, 0xc4, 0xd3, 0x65, 0x80,
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0x28, 0x6f, 0x9b, 0xc9, 0xb7, 0x4e, 0x44, 0x4c,
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0x98, 0x6a, 0x5f, 0x3b, 0x97, 0x81, 0x9b, 0xa9,
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0xab, 0xfd, 0xcf, 0x8e, 0x78, 0xbd, 0x4d, 0x70,
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0x81, 0x9b, 0x2d, 0x85, 0x94, 0x74, 0x2a, 0x3a,
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0xb4, 0xff, 0x4a, 0x13, 0x70, 0x76, 0x2c, 0x2f,
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0x13, 0x5b, 0x43, 0xf9, 0x17, 0xee, 0x26, 0x37,
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0x01, 0xbc, 0x9f, 0x0b, 0x0e, 0x68, 0xcb, 0x87,
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0x65, 0x86, 0xcc, 0x4c, 0x2f, 0x7a, 0x14, 0x0d,
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0xd1, 0xb9, 0x57, 0xbd, 0x50, 0xb6, 0x95, 0x44,
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0x1a, 0x0d, 0xc0, 0x15, 0x0f, 0xd2, 0xc3, 0x72,
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0x4d, 0x6e, 0x4f, 0x8e, 0x6d, 0x64, 0xdc, 0x64,
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0x1f, 0x33, 0x53, 0x4e, 0xd8, 0xa4, 0x74, 0xf3,
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0x33, 0x04, 0x68, 0xd9, 0x92, 0xf3, 0x6e, 0xb7,
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0x5b, 0xe6, 0xf6, 0xc3, 0x55, 0x14, 0x54, 0x87,
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0x00, 0xaf, 0x07,
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},
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},
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},
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{
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"aggregated",
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[][]byte{
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{0x00, 0x01, 0x02, 0x03},
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{0x04, 0x05, 0x06, 0x07},
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{0x08, 0x09, 0x0A, 0x0B},
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},
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0,
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x66, 0x55,
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0x9d, 0xbb, 0x78, 0x12, 0x0, 0x30, 0x0, 0x20,
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0x0, 0x20, 0x0, 0x20, 0x0, 0x1, 0x2, 0x3,
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0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb,
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},
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},
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},
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{
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"fragmented",
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[][]byte{
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bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 512),
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},
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0,
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[][]byte{
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mergeBytes(
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[]byte{
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0x80, 0x60, 0x44, 0xed, 0x88, 0x77, 0x66, 0x55,
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0x9d, 0xbb, 0x78, 0x12, 0x0, 0x10, 0x5, 0xb0,
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},
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bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 182),
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),
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mergeBytes(
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[]byte{
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0x80, 0x60, 0x44, 0xee, 0x88, 0x77, 0x66, 0x55,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x05, 0xb0,
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},
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bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 182),
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),
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mergeBytes(
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[]byte{
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0x80, 0xe0, 0x44, 0xef, 0x88, 0x77, 0x66, 0x55,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x04, 0xa0,
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},
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bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 148),
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),
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},
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},
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{
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"aggregated followed by fragmented",
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[][]byte{
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{0x00, 0x01, 0x02, 0x03},
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{0x04, 0x05, 0x06, 0x07},
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{0x08, 0x09, 0x0A, 0x0B},
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bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 256),
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},
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0,
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x66, 0x55,
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0x9d, 0xbb, 0x78, 0x12, 0x0, 0x30, 0x0, 0x20,
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0x0, 0x20, 0x0, 0x20, 0x0, 0x1, 0x2, 0x3,
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0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb,
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},
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mergeBytes(
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[]byte{
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0x80, 0x60, 0x44, 0xee, 0x88, 0x77, 0x72, 0x0d,
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0x9d, 0xbb, 0x78, 0x12, 0x0, 0x10, 0x5, 0xb0,
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},
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bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 182),
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),
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mergeBytes(
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[]byte{
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0x80, 0xe0, 0x44, 0xef, 0x88, 0x77, 0x72, 0x0d,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x02, 0x50,
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},
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bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 74),
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),
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},
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},
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}
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func TestDecode(t *testing.T) {
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for _, ca := range cases {
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t.Run(ca.name, func(t *testing.T) {
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d := NewDecoder(48000)
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// send an initial packet downstream
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// in order to compute the right timestamp,
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// that is relative to the initial packet
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var pkt rtp.Packet
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err := pkt.Unmarshal([]byte{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x66, 0x55,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x00, 0x08, 0x0,
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})
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require.NoError(t, err)
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_, _, err = d.Decode(&pkt)
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require.NoError(t, err)
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var aus [][]byte
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expPTS := ca.pts
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for _, byts := range ca.enc {
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var pkt rtp.Packet
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err := pkt.Unmarshal(byts)
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require.NoError(t, err)
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copy := pkt.Clone()
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addAUs, pts, err := d.Decode(&pkt)
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if err == ErrMorePacketsNeeded {
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continue
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}
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require.NoError(t, err)
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require.Equal(t, expPTS, pts)
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aus = append(aus, addAUs...)
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expPTS += time.Duration(len(aus)) * 1000 * time.Second / 48000
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// test packet integrity
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require.Equal(t, copy, &pkt)
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}
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require.Equal(t, ca.aus, aus)
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})
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}
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}
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func TestDecodeErrors(t *testing.T) {
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for _, ca := range []struct {
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name string
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pkts [][]byte
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err string
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}{
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{
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"missing payload",
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x6a, 0x15,
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0x9d, 0xbb, 0x78, 0x12,
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},
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},
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"payload is too short",
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},
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{
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"missing au header",
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x6a, 0x15,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10,
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},
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},
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"payload is too short",
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},
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{
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"missing au",
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x6a, 0x15,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x0a, 0xd8,
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},
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},
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"payload is too short",
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},
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{
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"invalid au headers length",
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x6a, 0x15,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x09,
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},
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},
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"invalid AU-headers-length (9)",
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},
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{
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"au index not zero",
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[][]byte{
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{
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0x80, 0xe0, 0x44, 0xed, 0x88, 0x77, 0x6a, 0x15,
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0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x0a, 0xd8 | 0x01,
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},
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},
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"AU-index field is not zero",
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},
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{
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"fragmented with multiple AUs",
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[][]byte{
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{
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0x80, 0x60, 0x0e, 0xa2, 0x0e, 0x01, 0x9b, 0xb7,
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0x35, 0x6e, 0xcb, 0x3b, 0x00, 0x20,
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},
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},
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"a fragmented packet can only contain one AU",
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},
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{
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"fragmented with AU index not zero",
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[][]byte{
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{
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0x80, 0x60, 0x0e, 0xa2, 0x0e, 0x01, 0x9b, 0xb7,
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0x35, 0x6e, 0xcb, 0x3b, 0x00, 0x10, 0x0a, 0xd8 | 0x01,
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},
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},
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"AU-index field is not zero",
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},
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{
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"fragmented with missing au",
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[][]byte{
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{
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0x80, 0x60, 0x0e, 0xa2, 0x0e, 0x01, 0x9b, 0xb7,
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0x35, 0x6e, 0xcb, 0x3b, 0x00, 0x10, 0x0a, 0xd8,
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},
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},
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"payload is too short",
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},
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{
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"fragmented with multiple AUs in 2nd packet",
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[][]byte{
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mergeBytes(
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[]byte{
|
|
0x80, 0x60, 0x44, 0xed, 0x88, 0x77, 0x66, 0x55,
|
|
0x9d, 0xbb, 0x78, 0x12, 0x0, 0x10, 0x5, 0xb0,
|
|
},
|
|
bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 182),
|
|
),
|
|
mergeBytes(
|
|
[]byte{
|
|
0x80, 0xe0, 0x44, 0xee, 0x88, 0x77, 0x66, 0x55,
|
|
0x9d, 0xbb, 0x78, 0x12, 0x00, 0x20,
|
|
},
|
|
),
|
|
},
|
|
"a fragmented packet can only contain one AU",
|
|
},
|
|
{
|
|
"fragmented with au index not zero in 2nd packet",
|
|
[][]byte{
|
|
mergeBytes(
|
|
[]byte{
|
|
0x80, 0x60, 0x44, 0xed, 0x88, 0x77, 0x66, 0x55,
|
|
0x9d, 0xbb, 0x78, 0x12, 0x0, 0x10, 0x5, 0xb0,
|
|
},
|
|
bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 182),
|
|
),
|
|
mergeBytes(
|
|
[]byte{
|
|
0x80, 0xe0, 0x44, 0xee, 0x88, 0x77, 0x66, 0x55,
|
|
0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x0a, 0xd8 | 0x01,
|
|
},
|
|
),
|
|
},
|
|
"AU-index field is not zero",
|
|
},
|
|
{
|
|
"fragmented without payload in 2nd packet",
|
|
[][]byte{
|
|
mergeBytes(
|
|
[]byte{
|
|
0x80, 0x60, 0x44, 0xed, 0x88, 0x77, 0x66, 0x55,
|
|
0x9d, 0xbb, 0x78, 0x12, 0x0, 0x10, 0x5, 0xb0,
|
|
},
|
|
bytes.Repeat([]byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}, 182),
|
|
),
|
|
mergeBytes(
|
|
[]byte{
|
|
0x80, 0xe0, 0x44, 0xee, 0x88, 0x77, 0x66, 0x55,
|
|
0x9d, 0xbb, 0x78, 0x12, 0x00, 0x10, 0x0a, 0xd8,
|
|
},
|
|
),
|
|
},
|
|
"payload is too short",
|
|
},
|
|
} {
|
|
t.Run(ca.name, func(t *testing.T) {
|
|
d := NewDecoder(48000)
|
|
var lastErr error
|
|
for _, byts := range ca.pkts {
|
|
var pkt rtp.Packet
|
|
err := pkt.Unmarshal(byts)
|
|
require.NoError(t, err)
|
|
_, _, lastErr = d.Decode(&pkt)
|
|
}
|
|
require.EqualError(t, lastErr, ca.err)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestEncode(t *testing.T) {
|
|
for _, ca := range cases {
|
|
t.Run(ca.name, func(t *testing.T) {
|
|
sequenceNumber := uint16(0x44ed)
|
|
ssrc := uint32(0x9dbb7812)
|
|
initialTs := uint32(0x88776655)
|
|
e := NewEncoder(96, 48000, &sequenceNumber, &ssrc, &initialTs)
|
|
|
|
enc, err := e.Encode(ca.aus, ca.pts)
|
|
require.NoError(t, err)
|
|
|
|
var bytss [][]byte
|
|
for _, pkt := range enc {
|
|
byts, err := pkt.Marshal()
|
|
require.NoError(t, err)
|
|
bytss = append(bytss, byts)
|
|
}
|
|
|
|
require.Equal(t, ca.enc, bytss)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestEncodeRandomInitialState(t *testing.T) {
|
|
NewEncoder(96, 48000, nil, nil, nil)
|
|
}
|