Keep queued video frames during in-place bitrate changes

This commit is contained in:
evgeny committed 2026-10-15 01:30:55 +02:00
1 parent 1376f9f059
commit e1b29af8ce
1 file changed
+15 -14
@@ -232,26 +232,27 @@ class CallVideoEngine(private val context: Context, private val id: Long) {
val pts = (image.timestamp + offset) / 1000
// Camera2 уже ограничена 30 fps. Порог 33333 мкс отбрасывал каждый второй кадр при дрожании часов.
if (pts <= lastPts) return@setOnImageAvailableListener
val key = needKey || lastKey < 0 || pts - lastKey >= 1_000_000
val key = needKey || confirmingRequest != 0L || lastKey < 0 || pts - lastKey >= 1_000_000
if (key && pendingRequest != 0L) {
val requestId = pendingRequest; pendingRequest = 0
val old = checkNotNull(encoder); val oldRate = old.bitrate; val name = old.name
confirmingPts = pts
if (old.setBitrate(pendingRate)) {
confirmingRequest = requestId; needKey = true
// References сохранены: уже закодированные P-кадры остаются пригодны до нового KEY.
confirmingRequest = requestId
} else {
old.close(); encoder = null
try {
encoder = CallVideoCodec(f, pendingRate, name)
encoder!!.prepare(); check(encoder!!.format == f) { "Bitrate change altered encoder format" }
confirmingRequest = requestId; needKey = true
report("Applying ${pendingRate / 1000} kbit/s on IDR")
} catch (e: Exception) {
LogManager.addLog("WARN", "call", "video bitrate replacement failed: ${e.message}; restoring $oldRate")
encoder?.close(); encoder = CallVideoCodec(f, oldRate, name)
encoder!!.prepare(); check(encoder!!.format == f)
confirmingRequest = requestId; needKey = true
}
old.close(); encoder = null
try {
encoder = CallVideoCodec(f, pendingRate, name)
encoder!!.prepare(); check(encoder!!.format == f) { "Bitrate change altered encoder format" }
confirmingRequest = requestId; needKey = true
report("Applying ${pendingRate / 1000} kbit/s on IDR")
} catch (e: Exception) {
LogManager.addLog("WARN", "call", "video bitrate replacement failed: ${e.message}; restoring $oldRate")
encoder?.close(); encoder = CallVideoCodec(f, oldRate, name)
encoder!!.prepare(); check(encoder!!.format == f)
confirmingRequest = requestId; needKey = true
}
}
}
if (encoder?.submit(image, pts, key) == true) lastPts = pts