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fix(deltacast-bridge): pin buffer packing + sdi interface + f_setpipe_sz

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This commit is contained in:
Zac Gaetano 2026-06-02 14:21:44 -04:00
parent 3ac685ed3b
commit a200cabad4
1 changed files with 24 additions and 0 deletions
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24
services/capture/deltacast-bridge/main.c
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@ -228,6 +228,10 @@ static void *audio_thread(void *arg) {
continue;
}
fprintf(stderr, "[audio:%u] FIFO writer connected\n", ps->port);
#ifndef F_SETPIPE_SZ
#define F_SETPIPE_SZ 1031
#endif
fcntl(fd, F_SETPIPE_SZ, 1024 * 1024);
/* Reset wall-clock baseline after potentially blocking on open(). */
struct timespec next;
@ -311,6 +315,14 @@ static void *video_thread(void *arg) {
continue;
}
fprintf(stderr, "[video:%u] FIFO writer connected\n", ps->port);
#ifndef F_SETPIPE_SZ
#define F_SETPIPE_SZ 1031
#endif
if (fcntl(fd, F_SETPIPE_SZ, 8 * 1024 * 1024) < 0) {
fprintf(stderr, "[video:%u] fcntl F_SETPIPE_SZ failed: %s\n", ps->port, strerror(errno));
} else {
fprintf(stderr, "[video:%u] FIFO pipe size increased to 8MB\n", ps->port);
}
HANDLE slot = NULL;
int fatal = 0;
@ -336,6 +348,13 @@ static void *video_thread(void *arg) {
}
}
VHD_UnlockSlotHandle(slot);
static __thread unsigned long processed = 0;
if (++processed % 60 == 0) {
ULONG sc = 0, sd = 0;
VHD_GetStreamProperty(ps->video_stream, VHD_CORE_SP_SLOTS_COUNT, &sc);
VHD_GetStreamProperty(ps->video_stream, VHD_CORE_SP_SLOTS_DROPPED, &sd);
fprintf(stderr, "[video:%u] locked=%lu (sc=%lu, sd=%lu)\n", ps->port, processed, sc, sd);
}
} else if (r != VHDERR_TIMEOUT) {
fprintf(stderr, "[video:%u] VHD_LockSlotHandle error %lu — stopping port\n",
ps->port, r);
@ -575,6 +594,11 @@ int main(int argc, char *argv[]) {
VHD_SetStreamProperty(vs, VHD_SDI_SP_CLOCK_SYSTEM, p->clock_div);
VHD_SetStreamProperty(vs, VHD_CORE_SP_TRANSFER_SCHEME, VHD_TRANSFER_SLAVED);
VHD_SetStreamProperty(vs, VHD_CORE_SP_BUFFERQUEUE_DEPTH, 8);
ULONG iface = 0;
if (VHD_GetStreamProperty(vs, VHD_SDI_SP_INTERFACE, &iface) == VHDERR_NOERROR) {
VHD_SetStreamProperty(vs, VHD_SDI_SP_INTERFACE, iface);
fprintf(stderr, "[board] port %u explicitly set SDI Interface to %lu\n", ports[pi], iface);
}
/* Pin to tightly-packed 8-bit UYVY. Relying on SDK default caused
* the board to deliver frames whose size != width*height*2,
* producing rolled/sheared ("bouncing and bending") video. */