static gboolean
gst_speex_enc_src_query (GstPad * pad, GstQuery * query)
{
gboolean res = TRUE;
GstSpeexEnc *enc;
enc = GST_SPEEX_ENC (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat fmt, req_fmt;
gint64 pos, val;
gst_query_parse_position (query, &req_fmt, NULL);
if ((res = gst_pad_query_peer_position (enc->sinkpad, &req_fmt, &val))) {
gst_query_set_position (query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if (!(res = gst_pad_query_peer_position (enc->sinkpad, &fmt, &pos)))
break;
if ((res =
gst_pad_query_peer_convert (enc->sinkpad, fmt, pos, &req_fmt,
&val)))
gst_query_set_position (query, req_fmt, val);
break;
}
case GST_QUERY_DURATION:
{
GstFormat fmt, req_fmt;
gint64 dur, val;
gst_query_parse_duration (query, &req_fmt, NULL);
if ((res = gst_pad_query_peer_duration (enc->sinkpad, &req_fmt, &val))) {
gst_query_set_duration (query, req_fmt, val);
break;
}
fmt = GST_FORMAT_TIME;
if (!(res = gst_pad_query_peer_duration (enc->sinkpad, &fmt, &dur)))
break;
if ((res =
gst_pad_query_peer_convert (enc->sinkpad, fmt, dur, &req_fmt,
&val))) {
gst_query_set_duration (query, req_fmt, val);
}
break;
}
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (!(res = gst_speex_enc_convert_src (pad, src_fmt, src_val, &dest_fmt,
&dest_val)))
goto error;
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break;
}
case GST_QUERY_LATENCY:
{
gboolean live;
GstClockTime min_latency, max_latency;
gint64 latency;
if ((res = gst_pad_peer_query (enc->sinkpad, query))) {
gst_query_parse_latency (query, &live, &min_latency, &max_latency);
GST_LOG_OBJECT (pad, "Upstream latency: %" GST_PTR_FORMAT, query);
latency = gst_speex_enc_get_latency (enc);
/* add our latency */
min_latency += latency;
if (max_latency != -1)
max_latency += latency;
gst_query_set_latency (query, live, min_latency, max_latency);
GST_LOG_OBJECT (pad, "Adjusted latency: %" GST_PTR_FORMAT, query);
}
break;
}
default:
res = gst_pad_peer_query (enc->sinkpad, query);
break;
}
error:
gst_object_unref (enc);
return res;
}
static gboolean
speed_src_query (GstPad * pad, GstQuery * query)
{
gboolean ret = TRUE;
GstSpeed *filter;
filter = GST_SPEED (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
{
GstFormat format;
GstFormat rformat = GST_FORMAT_TIME;
gint64 cur;
GstFormat conv_format = GST_FORMAT_TIME;
/* save requested format */
gst_query_parse_position (query, &format, NULL);
/* query peer for current position in time */
gst_query_set_position (query, GST_FORMAT_TIME, -1);
if (!gst_pad_query_peer_position (filter->sinkpad, &rformat, &cur)) {
GST_LOG_OBJECT (filter, "query on peer pad failed");
goto error;
}
if (rformat == GST_FORMAT_BYTES)
GST_LOG_OBJECT (filter,
"peer pad returned current=%" G_GINT64_FORMAT " bytes", cur);
else if (rformat == GST_FORMAT_TIME)
GST_LOG_OBJECT (filter, "peer pad returned time=%" G_GINT64_FORMAT,
cur);
/* convert to time format */
if (!gst_speed_convert (pad, rformat, cur, &conv_format, &cur)) {
ret = FALSE;
break;
}
/* adjust for speed factor */
cur /= filter->speed;
/* convert to time format */
if (!gst_speed_convert (pad, conv_format, cur, &format, &cur)) {
ret = FALSE;
break;
}
gst_query_set_position (query, format, cur);
GST_LOG_OBJECT (filter,
"position query: we return %" G_GUINT64_FORMAT " (format %u)", cur,
format);
break;
}
case GST_QUERY_DURATION:
{
GstFormat format;
GstFormat rformat = GST_FORMAT_TIME;
gint64 end;
GstFormat conv_format = GST_FORMAT_TIME;
/* save requested format */
gst_query_parse_duration (query, &format, NULL);
/* query peer for total length in time */
gst_query_set_duration (query, GST_FORMAT_TIME, -1);
if (!gst_pad_query_peer_duration (filter->sinkpad, &rformat, &end)) {
GST_LOG_OBJECT (filter, "query on peer pad failed");
goto error;
}
if (rformat == GST_FORMAT_BYTES)
GST_LOG_OBJECT (filter,
"peer pad returned total=%" G_GINT64_FORMAT " bytes", end);
else if (rformat == GST_FORMAT_TIME)
GST_LOG_OBJECT (filter, "peer pad returned time=%" G_GINT64_FORMAT,
end);
/* convert to time format */
if (!gst_speed_convert (pad, rformat, end, &conv_format, &end)) {
ret = FALSE;
break;
}
/* adjust for speed factor */
end /= filter->speed;
/* convert to time format */
if (!gst_speed_convert (pad, conv_format, end, &format, &end)) {
ret = FALSE;
break;
}
gst_query_set_duration (query, format, end);
GST_LOG_OBJECT (filter,
"duration query: we return %" G_GUINT64_FORMAT " (format %u)", end,
format);
break;
}
default:
ret = FALSE;
break;
}
gst_object_unref (filter);
return ret;
error:
gst_object_unref (filter);
GST_DEBUG ("error handling query");
return FALSE;
}
static gboolean
gst_au_parse_src_query (GstPad * pad, GstQuery * query)
{
GstAuParse *auparse;
gboolean ret = FALSE;
auparse = GST_AU_PARSE (gst_pad_get_parent (pad));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:{
GstFormat bformat = GST_FORMAT_BYTES;
GstFormat format;
gint64 len, val;
gst_query_parse_duration (query, &format, NULL);
if (!gst_pad_query_peer_duration (auparse->sinkpad, &bformat, &len)) {
GST_DEBUG_OBJECT (auparse, "failed to query upstream length");
break;
}
GST_OBJECT_LOCK (auparse);
len -= auparse->offset;
GST_OBJECT_UNLOCK (auparse);
ret = gst_au_parse_src_convert (auparse, bformat, len, format, &val);
if (ret) {
gst_query_set_duration (query, format, val);
}
break;
}
case GST_QUERY_POSITION:{
GstFormat bformat = GST_FORMAT_BYTES;
GstFormat format;
gint64 pos, val;
gst_query_parse_position (query, &format, NULL);
if (!gst_pad_query_peer_position (auparse->sinkpad, &bformat, &pos)) {
GST_DEBUG_OBJECT (auparse, "failed to query upstream position");
break;
}
GST_OBJECT_LOCK (auparse);
pos -= auparse->offset;
GST_OBJECT_UNLOCK (auparse);
ret = gst_au_parse_src_convert (auparse, GST_FORMAT_BYTES, pos,
format, &val);
if (ret) {
gst_query_set_position (query, format, val);
}
break;
}
case GST_QUERY_SEEKING:{
GstFormat format;
gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
/* FIXME: query duration in 'format'
gst_query_set_seeking (query, format, TRUE, 0, duration);
*/
gst_query_set_seeking (query, format, TRUE, 0, GST_CLOCK_TIME_NONE);
ret = TRUE;
break;
}
default:
ret = gst_pad_query_default (pad, query);
break;
}
gst_object_unref (auparse);
return ret;
}
static gboolean
gst_live_adder_query_pos_dur (GstLiveAdder * adder, GstFormat informat,
gboolean position, gint64 * outvalue)
{
gint64 max = G_MININT64;
gboolean res = TRUE;
GstIterator *it;
gboolean done = FALSE;
it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (adder));
while (!done) {
GstIteratorResult ires;
gpointer item;
GstFormat format = informat;
ires = gst_iterator_next (it, &item);
switch (ires) {
case GST_ITERATOR_DONE:
done = TRUE;
break;
case GST_ITERATOR_OK:
{
GstPad *pad = GST_PAD_CAST (item);
gint64 value;
gboolean curres;
/* ask sink peer for duration */
if (position)
curres = gst_pad_query_peer_position (pad, &format, &value);
else
curres = gst_pad_query_peer_duration (pad, &format, &value);
/* take max from all valid return values */
/* Only if the format is the one we requested, otherwise ignore it ?
*/
if (curres && format == informat) {
res &= curres;
/* valid unknown length, stop searching */
if (value == -1) {
max = value;
done = TRUE;
} else if (value > max) {
max = value;
}
}
break;
}
case GST_ITERATOR_RESYNC:
max = -1;
res = TRUE;
break;
default:
res = FALSE;
done = TRUE;
break;
}
}
gst_iterator_free (it);
if (res)
*outvalue = max;
return res;
}
