mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-24 17:20:36 +00:00
Code Issues 1 Projects Releases Wiki Activity

rtpdtmfsrc: Put the inter digit interval at the end, not at the start

Browse source 
The reason is to let rtpdtmfmux drop buffers during the inter digit interval,
this way, there will be more silence around the DTMF tones so IVFs will have
a better chance recognizing them.
This commit is contained in:
Olivier Crête 2011-07-11 20:46:20 -04:00
parent 340a65b484
commit 3a5d14993a
1 changed files with 13 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
gst/dtmf/gstrtpdtmfsrc.c
View file

@ -514,8 +514,7 @@ gst_rtp_dtmf_prepare_timestamps (GstRTPDTMFSrc * dtmfsrc)
if (clock == NULL)
return FALSE;
dtmfsrc->timestamp = gst_clock_get_time (clock)
+ (MIN_INTER_DIGIT_INTERVAL * GST_MSECOND)
dtmfsrc->start_timestamp = gst_clock_get_time (clock)
- gst_element_get_base_time (GST_ELEMENT (dtmfsrc));
dtmfsrc->start_timestamp = dtmfsrc->timestamp;
gst_object_unref (clock);
@ -591,7 +590,6 @@ gst_rtp_dtmf_prepare_buffer_data (GstRTPDTMFSrc * dtmfsrc, GstBuffer * buf)
GST_BUFFER_DURATION (buf) = dtmfsrc->ptime * GST_MSECOND;
GST_BUFFER_TIMESTAMP (buf) = dtmfsrc->timestamp;
dtmfsrc->timestamp += GST_BUFFER_DURATION (buf);
payload = (GstRTPDTMFPayload *) gst_rtp_buffer_get_payload (buf);
@ -606,6 +604,18 @@ gst_rtp_dtmf_prepare_buffer_data (GstRTPDTMFSrc * dtmfsrc, GstBuffer * buf)
if (dtmfsrc->redundancy_count == 0)
dtmfsrc->payload->duration += dtmfsrc->ptime * dtmfsrc->clock_rate / 1000;
if (dtmfsrc->redundancy_count == 0 && dtmfsrc->last_packet) {
GstClockTime inter_digit_interval = MIN_INTER_DIGIT_INTERVAL;
if (inter_digit_interval % dtmfsrc->ptime != 0)
inter_digit_interval += dtmfsrc->ptime -
(MIN_INTER_DIGIT_INTERVAL % dtmfsrc->ptime);
GST_BUFFER_DURATION (buf) += inter_digit_interval * GST_MSECOND;
}
if (GST_CLOCK_TIME_IS_VALID (dtmfsrc->timestamp))
dtmfsrc->timestamp += GST_BUFFER_DURATION (buf);
}
static GstBuffer *