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audio stufs

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legop3
2026-06-27 02:39:31 -04:00
parent d2007976b0
commit 0172ea5150
5 changed files with 64 additions and 16 deletions
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server/src/services/audioForwardService/policy.js
+22 -6
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@@ -29,19 +29,35 @@ function createAudioForwardPolicy(deps) {
function forcePublishStreamMode(rawUrl) {
const value = String(rawUrl || '').trim();
if (!value) return '';
if (!/[?&]streamid=#!::/.test(value)) return value;
if (/,m=publish\b/.test(value)) return value;
if (/,m=[a-zA-Z]+\b/.test(value)) return value.replace(/,m=[a-zA-Z]+\b/, ',m=publish');
return value.replace(/([?&]streamid=#!::[^&]*)/, '$1,m=publish');
const normalized = value
/*
A literal "#" inside the SRT stream ID turns the rest of the URL into a
fragment for normal URL parsers. Encoding the "#!" prefix keeps MediaMTX
receiving the same stream ID while allowing latency/mode/transtype to be
parsed as real SRT options instead of being accidentally hidden inside
the stream ID text.
*/
.replace(/([?&]streamid=)#!::/, '$1%23%21::')
/*
SRT latency is expressed in microseconds by ffmpeg/libsrt. The previous
latency=10 value was both too small to be a sane target and, because of
the unescaped stream ID, was not being applied in practice. Use the same
20 ms target as rover publishing.
*/
.replace(/([?&]latency=)10\b/, (_, prefix) => `${prefix}20000`);
if (!/[?&]streamid=(?:#!::|%23%21::)/.test(normalized)) return normalized;
if (/,m=publish\b/.test(normalized)) return normalized;
if (/,m=[a-zA-Z]+\b/.test(normalized)) return normalized.replace(/,m=[a-zA-Z]+\b/, ',m=publish');
return normalized.replace(/([?&]streamid=(?:#!::|%23%21::)[^&]*)/, '$1,m=publish');
}
function resolveForwardUrl(roverId) {
const record = roverManager.rovers.get(roverId);
const configured = record?.meta?.media?.audioForwardUrl;
if (configured) return forcePublishStreamMode(configured);
return `srt://127.0.0.1:9000?streamid=#!::r=${encodeURIComponent(
return `srt://127.0.0.1:9000?streamid=%23%21::r=${encodeURIComponent(
roverId + streamSuffix,
)},m=publish&latency=10&mode=caller&transtype=live&pkt_size=1316`;
)},m=publish&latency=20000&mode=caller&transtype=live&pkt_size=1316`;
}
function resolveForwardPathId(roverId) {