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spa: use clock info

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Use the port clock io area to get timing info and use this as
the time in the graph when we wake up.
This commit is contained in:
Wim Taymans 2018-07-17 17:37:55 +02:00
parent 2b1b356455
commit d3c203b744
10 changed files with 134 additions and 15 deletions
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14
spa/plugins/v4l2/v4l2-utils.c
View file

@ -911,6 +911,7 @@ static int spa_v4l2_set_format(struct impl *this, struct spa_video_info *format,
SPA_PORT_INFO_FLAG_PHYSICAL |
SPA_PORT_INFO_FLAG_TERMINAL;
port->info.rate = streamparm.parm.capture.timeperframe.denominator;
port->rate = *framerate;
return 0;
}
@ -1156,14 +1157,13 @@ static int mmap_read(struct impl *this)
if (xioctl(port->fd, VIDIOC_DQBUF, &buf) < 0)
return -errno;
port->last_ticks = (int64_t) buf.timestamp.tv_sec * SPA_USEC_PER_SEC +
(uint64_t) buf.timestamp.tv_usec;
pts = port->last_ticks * 1000;
pts = SPA_TIMEVAL_TO_TIME(&buf.timestamp);
if (buf.flags & V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC)
port->last_monotonic = pts;
else
port->last_monotonic = SPA_TIME_INVALID;
if (port->clock) {
port->clock->nsec = pts;
port->clock->rate = port->rate;
port->clock->position = buf.sequence;
}
b = &port->buffers[buf.index];
if (b->h) {