static GstFlowReturn
gst_kate_parse_push_buffer (GstKateParse * parse, GstBuffer * buf,
gint64 granulepos)
{
GST_LOG_OBJECT (parse, "granulepos %16" G_GINT64_MODIFIER "x", granulepos);
if (granulepos < 0) {
/* packets coming not from Ogg won't have a granpos in the offset end,
so we have to synthesize one here - only problem is we don't know
the backlink - pretend there's none for now */
GST_INFO_OBJECT (parse, "No granulepos on buffer, synthesizing one");
granulepos =
kate_duration_granule (&parse->ki,
GST_BUFFER_TIMESTAMP (buf) /
(double) GST_SECOND) << kate_granule_shift (&parse->ki);
}
GST_BUFFER_OFFSET (buf) =
kate_granule_time (&parse->ki, granulepos) * GST_SECOND;
GST_BUFFER_OFFSET_END (buf) = granulepos;
GST_BUFFER_TIMESTAMP (buf) = GST_BUFFER_OFFSET (buf);
/* Hack to flush each packet on its own page - taken off the CMML encoder element */
/* TODO: this is s***e and needs to go once I find a way to tell Ogg to flush
as it messes up Matroska's track duration */
GST_BUFFER_DURATION (buf) = G_MAXINT64;
gst_buffer_set_caps (buf, GST_PAD_CAPS (parse->srcpad));
return gst_pad_push (parse->srcpad, buf);
}
static GstClockTime
gst_kate_util_granule_time (kate_state * k, gint64 granulepos)
{
if (G_UNLIKELY (granulepos == -1))
return -1;
return kate_granule_time (k->ki, granulepos) * GST_SECOND;
}
static GstClockTime
gst_kate_enc_granule_time (kate_state * k, gint64 granulepos)
{
float t;
if (granulepos == -1)
return -1;
t = kate_granule_time (k->ki, granulepos);
return t * GST_SECOND;
}
static gboolean
gst_kate_parse_convert (GstPad * pad,
GstFormat src_format, gint64 src_value,
GstFormat * dest_format, gint64 * dest_value)
{
gboolean res = TRUE;
GstKateParse *parse;
parse = GST_KATE_PARSE (GST_PAD_PARENT (pad));
/* fixme: assumes atomic access to lots of instance variables modified from
* the streaming thread, including 64-bit variables */
if (!parse->streamheader_sent)
return FALSE;
if (src_format == *dest_format) {
*dest_value = src_value;
return TRUE;
}
if (parse->sinkpad == pad &&
(src_format == GST_FORMAT_BYTES || *dest_format == GST_FORMAT_BYTES))
return FALSE;
switch (src_format) {
case GST_FORMAT_TIME:
switch (*dest_format) {
default:
res = FALSE;
}
break;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = kate_granule_time (&parse->ki, src_value) * GST_SECOND;
break;
default:
res = FALSE;
}
break;
default:
res = FALSE;
}
return res;
}
static GstFlowReturn
gst_kate_parse_push_buffer (GstKateParse * parse, GstBuffer * buf,
gint64 granulepos)
{
GST_LOG_OBJECT (parse, "granulepos %16" G_GINT64_MODIFIER "x", granulepos);
if (granulepos < 0) {
/* packets coming not from Ogg won't have a granpos in the offset end,
so we have to synthesize one here - only problem is we don't know
the backlink - pretend there's none for now */
GST_INFO_OBJECT (parse, "No granulepos on buffer, synthesizing one");
granulepos =
kate_duration_granule (&parse->ki,
GST_BUFFER_TIMESTAMP (buf) /
(double) GST_SECOND) << kate_granule_shift (&parse->ki);
}
GST_BUFFER_OFFSET (buf) =
kate_granule_time (&parse->ki, granulepos) * GST_SECOND;
GST_BUFFER_OFFSET_END (buf) = granulepos;
GST_BUFFER_TIMESTAMP (buf) = GST_BUFFER_OFFSET (buf);
return gst_pad_push (parse->srcpad, buf);
}
