mirror of
https://github.com/AlexxIT/go2rtc.git
synced 2025-09-27 04:36:12 +08:00
70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package opus
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import (
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"time"
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"github.com/AlexxIT/go2rtc/pkg/core"
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"github.com/pion/rtp"
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"github.com/rs/zerolog/log"
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)
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func Log(handler core.HandlerFunc) core.HandlerFunc {
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var ts uint32
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return func(pkt *rtp.Packet) {
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if ts == 0 {
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ts = pkt.Timestamp
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}
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toc := pkt.Payload[0]
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//config := toc >> 3
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code := toc & 0b11
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frame := parseFrameSize(toc)
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rate := parseSampleRate(toc)
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log.Printf(
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"[RTP/OPUS] frame=%s rate=%5d code=%d size=%6d ts=%10d dt=%5d pt=%2d ssrc=%d seq=%d mark=%t",
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frame, rate, code, len(pkt.Payload), pkt.Timestamp, pkt.Timestamp-ts, pkt.PayloadType, pkt.SSRC, pkt.SequenceNumber, pkt.Marker,
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)
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ts = pkt.Timestamp
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handler(pkt)
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}
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}
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func parseFrameSize(toc byte) time.Duration {
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switch toc >> 3 {
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case 0, 4, 8, 12, 14, 18, 22, 26, 30:
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return 10_000_000
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case 1, 5, 9, 13, 15, 19, 23, 27, 31:
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return 20_000_000
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case 2, 6, 10:
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return 40_000_000
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case 3, 7, 11:
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return 60_000_000
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case 16, 20, 24, 28:
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return 2_500_000
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case 17, 21, 25, 29:
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return 5_000_000
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}
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return 0
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}
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func parseSampleRate(toc byte) uint16 {
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switch toc >> 3 {
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case 0, 1, 2, 3, 16, 17, 18, 19:
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return 8000
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case 4, 5, 6, 7:
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return 12000
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case 8, 9, 10, 11, 20, 21, 22, 23:
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return 16000
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case 12, 13, 24, 25, 26, 27:
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return 24000
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case 14, 15, 28, 29, 30, 31:
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return 48000
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}
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return 0
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}
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