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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
Download patch file Download diff file Expand all files Collapse all files

32
spa/plugins/v4l2/v4l2-source.c
View file

@ -158,6 +158,7 @@ struct port {
bool have_format;
struct spa_video_info current_format;
struct spa_fraction rate;
int fd;
bool opened;
@ -178,9 +179,7 @@ struct port {
struct spa_port_info info;
struct spa_io_buffers *io;
int64_t last_ticks;
int64_t last_monotonic;
struct spa_io_clock *clock;
};
struct impl {
@ -562,6 +561,30 @@ static int impl_node_port_enum_params(struct spa_node *node,
else if (id == t->param_io.idPropsIn) {
return spa_v4l2_enum_controls(this, index, filter, result, builder);
}
else if (id == t->param_io.idBuffers) {
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
id, t->param_io.Buffers,
":", t->param_io.id, "I", t->io.Buffers,
":", t->param_io.size, "i", sizeof(struct spa_io_buffers));
break;
default:
return 0;
}
}
else if (id == t->param_io.idClock) {
switch (*index) {
case 0:
param = spa_pod_builder_object(&b,
id, t->param_io.Clock,
":", t->param_io.id, "I", t->io.Clock,
":", t->param_io.size, "i", sizeof(struct spa_io_clock));
break;
default:
return 0;
}
}
else
return -ENOENT;
@ -767,6 +790,9 @@ static int impl_node_port_set_io(struct spa_node *node,
if (id == t->io.Buffers) {
port->io = data;
}
else if (id == t->io.Clock) {
port->clock = data;
}
else if ((control = find_control(port, id))) {
if (data && size >= sizeof(struct spa_pod_double))
control->io = &SPA_POD_VALUE(struct spa_pod_double, data);

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) {