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milan-avb: stream: wire Milan Section 5.4.5 stream counters, TX heartbeat, and MAX_TRANSIT_TIME plumbing

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This commit is contained in:
hackerman-kl 2026-04-26 16:19:29 +02:00 • committed by Wim Taymans
parent 16d793db38
commit 9c0007173b
11 changed files with 487 additions and 46 deletions
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42
src/modules/module-avb/aecp-aem-cmds-resps/cmd-get-counters.c
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@ -360,6 +360,8 @@ static void emit_avb_interface_counters(struct aecp *aecp, uint16_t desc_index,
* here, gated by last_counters_emit_ns. */
#define COUNTER_UNSOL_MIN_INTERVAL_NS ((int64_t)SPA_NSEC_PER_SEC)
#define MEDIA_UNLOCK_TIMEOUT_NS ((int64_t)(2 * SPA_NSEC_PER_MSEC))
static bool counter_rate_limit_elapsed(int64_t now, int64_t last_emit)
{
if (last_emit == 0)
@ -386,18 +388,34 @@ void cmd_get_counters_periodic_milan_v12(struct aecp *aecp, int64_t now)
ifs->last_counters_emit_ns = now;
}
}
for (i = 0; i < UINT16_MAX; i++) {
struct descriptor *d = server_find_descriptor(server,
AVB_AEM_DESC_STREAM_INPUT, i);
struct aecp_aem_stream_input_state *si;
if (d == NULL)
break;
si = d->ptr;
if (si->counters_dirty &&
counter_rate_limit_elapsed(now, si->last_counters_emit_ns)) {
emit_stream_input_counters(aecp, i, si);
si->counters_dirty = false;
si->last_counters_emit_ns = now;
{
struct timespec mono_ts;
int64_t mono_now = 0;
clock_gettime(CLOCK_MONOTONIC, &mono_ts);
mono_now = SPA_TIMESPEC_TO_NSEC(&mono_ts);
for (i = 0; i < UINT16_MAX; i++) {
struct descriptor *d = server_find_descriptor(server,
AVB_AEM_DESC_STREAM_INPUT, i);
struct aecp_aem_stream_input_state *si;
if (d == NULL)
break;
si = d->ptr;
if (si->media_locked_state &&
si->last_frame_rx_ns != 0 &&
(mono_now - si->last_frame_rx_ns) > MEDIA_UNLOCK_TIMEOUT_NS) {
si->counters.media_unlocked++;
si->media_locked_state = false;
si->counters_dirty = true;
}
if (si->counters_dirty &&
counter_rate_limit_elapsed(now, si->last_counters_emit_ns)) {
emit_stream_input_counters(aecp, i, si);
si->counters_dirty = false;
si->last_counters_emit_ns = now;
}
}
}
for (i = 0; i < UINT16_MAX; i++) {