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for sony preview capture use a timeout of 1 second

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might help https://github.com/gphoto/libgphoto2/issues/693
This commit is contained in:
Marcus Meissner
2021-08-25 15:50:08 +02:00
parent 2d0d0bd4ae
commit 9692591576
1 changed files with 4 additions and 1 deletions
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5
camlibs/ptp2/library.c
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@@ -3615,12 +3615,14 @@ enable_liveview:
uint32_t preview_object = 0xffffc002; /* this is where the liveview image is accessed */
unsigned char *ximage = NULL;
int tries = 50;
int res;
int res, oldtimeout;
#if 0
/* this times out, with 0.3 seconds wait ... bad */
ptp_check_event (params); /* will stall for some reason */
#endif
CR (gp_port_get_timeout (camera->port, &oldtimeout));
CR (gp_port_set_timeout (camera->port, 1*1000));
do {
PTPObjectInfo oi;
@@ -3640,6 +3642,7 @@ enable_liveview:
C_PTP (ret);
usleep(20*1000);
} while (tries--);
CR (gp_port_set_timeout (camera->port, oldtimeout));
jpgStartPtr = ximage;
/* There is an initial blob, and we had a case where 0xff 0xd8 was in the initial blob