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add clock

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Add a gstreamer pinos clock that reports the time at the server
This commit is contained in:
Wim Taymans 2016-09-12 12:28:51 +02:00
parent 0b380dd43e
commit f86b50d202
11 changed files with 259 additions and 72 deletions
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10
spa/plugins/v4l2/v4l2-utils.c
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@ -788,7 +788,8 @@ spa_v4l2_set_format (SpaV4l2Source *this, V4l2Format *f, bool try_only)
state->info.flags = SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS |
SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS;
state->info.maxbuffering = -1;
state->info.latency = -1;
state->info.latency = (streamparm.parm.capture.timeperframe.numerator * 1000000000LL) /
streamparm.parm.capture.timeperframe.denominator;
state->info.n_params = 1;
state->info.params = state->params;
@ -834,12 +835,13 @@ mmap_read (SpaV4l2Source *this)
if (buf.flags & V4L2_BUF_FLAG_ERROR)
b->header.flags |= SPA_BUFFER_FLAG_CORRUPTED;
state->last_ticks = (int64_t)buf.timestamp.tv_sec * 1000000 + (uint64_t)buf.timestamp.tv_usec;
b->header.seq = buf.sequence;
b->header.pts = (uint64_t)buf.timestamp.tv_sec * 1000000000lu + (uint64_t)buf.timestamp.tv_usec * 1000lu;
state->last_timestamp = b->header.pts;
b->header.pts = state->last_ticks * 1000;
if (buf.flags & V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC)
state->last_monotonic = state->last_timestamp;
state->last_monotonic = b->header.pts;
else
state->last_monotonic = SPA_TIME_INVALID;