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rpicamsrc: Fix buffer PTS calculation

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Timestamps from MMAL are in microseconds,
so make sure to convert to nanoseconds before
using them to adjust the GStreamer buffer time
This commit is contained in:
Jan Schmidt 2015-07-19 01:48:35 +10:00 committed by Tim-Philipp Müller
parent cda483cb3c
commit e97b50af51
1 changed files with 6 additions and 4 deletions
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10
sys/rpicamsrc/RaspiCapture.c
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@ -951,13 +951,15 @@ raspi_capture_fill_buffer(RASPIVID_STATE *state, GstBuffer **bufp,
mmal_port_parameter_get(state->encoder_output_port, &param.hdr); mmal_port_parameter_get(state->encoder_output_port, &param.hdr);
if (param.value != -1 && param.value >= buffer->pts) { if (param.value != -1 && param.value >= buffer->pts) {
GstClockTime offset = param.value - buffer->pts; /* Convert microsecond RPi TS to GStreamer clock: */
GstClockTime offset = (param.value - buffer->pts) * 1000;
if (runtime >= offset) if (runtime >= offset)
gst_pts = runtime - offset; gst_pts = runtime - offset;
} }
GST_LOG ("Buf PTS %" G_GINT64_FORMAT " DTS %" G_GINT64_FORMAT GST_LOG ("Buf (uS) PTS %" G_GINT64_FORMAT " DTS %" G_GINT64_FORMAT
" STC %" G_GINT64_FORMAT " TS %" GST_TIME_FORMAT, " STC %" G_GINT64_FORMAT " (latency %" G_GINT64_FORMAT
buffer->pts, buffer->dts, param.value, "uS) TS %" GST_TIME_FORMAT,
buffer->pts, buffer->dts, param.value, param.value - buffer->pts,
GST_TIME_ARGS (gst_pts)); GST_TIME_ARGS (gst_pts));
} }