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ext/vorbis/vorbisenc.c: Report the encoder latency. Fixes #538232.

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Original commit message from CVS:
* ext/vorbis/vorbisenc.c: (gst_vorbis_enc_get_latency),
(gst_vorbis_enc_src_query), (gst_vorbis_enc_chain):
Report the encoder latency. Fixes #538232.
This commit is contained in:
Wim Taymans 2008-06-20 09:25:44 +00:00
parent cf7da52701
commit 5ff8a9437e
2 changed files with 38 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-06-20 Wim Taymans <wim.taymans@collabora.co.uk>
* ext/vorbis/vorbisenc.c: (gst_vorbis_enc_get_latency),
(gst_vorbis_enc_src_query), (gst_vorbis_enc_chain):
Report the encoder latency. Fixes #538232.
2008-06-20 Wim Taymans <wim.taymans@collabora.co.uk> 2008-06-20 Wim Taymans <wim.taymans@collabora.co.uk>
* gst/playback/gstplaybin2.c: (gst_play_bin_get_property), * gst/playback/gstplaybin2.c: (gst_play_bin_get_property),

33
ext/vorbis/vorbisenc.c
View file

@ -491,6 +491,15 @@ gst_vorbis_enc_convert_sink (GstPad * pad, GstFormat src_format,
return res; return res;
} }
static gint64
gst_vorbis_enc_get_latency (GstVorbisEnc * vorbisenc)
{
/* FIXME, this probably depends on the bitrate and other setting but for now
* we return this value, which was obtained by totally unscientific
* measurements */
return 58 * GST_MSECOND;
}
static const GstQueryType * static const GstQueryType *
gst_vorbis_enc_get_query_types (GstPad * pad) gst_vorbis_enc_get_query_types (GstPad * pad)
{ {
@ -568,8 +577,28 @@ gst_vorbis_enc_src_query (GstPad * pad, GstQuery * query)
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val); gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
break; break;
} }
case GST_QUERY_LATENCY:
{
gboolean live;
GstClockTime min_latency, max_latency;
gint64 latency;
if ((res = gst_pad_query (peerpad, query))) {
gst_query_parse_latency (query, &live, &min_latency, &max_latency);
latency = gst_vorbis_enc_get_latency (vorbisenc);
/* add our latency */
min_latency += latency;
if (max_latency != -1)
max_latency += latency;
gst_query_set_latency (query, live, min_latency, max_latency);
}
break;
}
default: default:
res = gst_pad_query_default (pad, query); res = gst_pad_query (peerpad, query);
break; break;
} }
@ -1198,6 +1227,8 @@ gst_vorbis_enc_chain (GstPad * pad, GstBuffer * buffer)
/* tell the library how much we actually submitted */ /* tell the library how much we actually submitted */
vorbis_analysis_wrote (&vorbisenc->vd, size); vorbis_analysis_wrote (&vorbisenc->vd, size);
GST_LOG_OBJECT (vorbisenc, "wrote %lu samples to vorbis", size);
vorbisenc->samples_in += size; vorbisenc->samples_in += size;
gst_buffer_unref (buffer); gst_buffer_unref (buffer);