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sys/oss/: Fix offset on osssrc.

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Original commit message from CVS:
* sys/oss/gstosselement.c: (gst_osselement_reset),
(gst_osselement_parse_caps):
* sys/oss/gstosselement.h:
* sys/oss/gstosssrc.c: (gst_osssrc_get):
Fix offset on osssrc.
This commit is contained in:
Wim Taymans 2004-07-07 16:11:39 +00:00
parent 87aff668ef
commit f68667a5e5
4 changed files with 21 additions and 5 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2004-07-07 Wim Taymans <wim@fluendo.com>
* sys/oss/gstosselement.c: (gst_osselement_reset),
(gst_osselement_parse_caps):
* sys/oss/gstosselement.h:
* sys/oss/gstosssrc.c: (gst_osssrc_get):
Fix offset on osssrc.
2004-07-07 Wim Taymans <wim@fluendo.com>
* ext/theora/theora.c: (plugin_init):

2
sys/oss/gstosselement.c
View file

@ -456,6 +456,7 @@ gst_osselement_reset (GstOssElement * oss)
oss->rate = 44100;
oss->fragment = 0;
oss->bps = 0;
oss->sample_width = 0;
/* AFMT_*_BE not available on all OSS includes (e.g. FBSD) */
#ifdef WORDS_BIGENDIAN
@ -545,6 +546,7 @@ gst_osselement_parse_caps (GstOssElement * oss, const GstCaps * caps)
gst_structure_get_int (structure, "channels", &oss->channels);
gst_structure_get_int (structure, "rate", &oss->rate);
oss->sample_width = bps * oss->channels;
oss->bps = bps * oss->channels * oss->rate;
oss->format = format;

3
sys/oss/gstosselement.h
View file

@ -79,6 +79,9 @@ struct _GstOssElement
/* stats bytes per *second* */
guint bps;
/* sample width in bytes */
guint sample_width;
/* parameters */
gint law;
gint endianness;

13
sys/oss/gstosssrc.c
View file

@ -335,6 +335,7 @@ gst_osssrc_get (GstPad * pad)
GstOssSrc *src;
GstBuffer *buf;
glong readbytes;
glong readsamples;
src = GST_OSSSRC (gst_pad_get_parent (pad));
@ -376,19 +377,21 @@ gst_osssrc_get (GstPad * pad)
return GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
}
readsamples = readbytes * GST_OSSELEMENT (src)->rate /
GST_OSSELEMENT (src)->bps;
GST_BUFFER_SIZE (buf) = readbytes;
GST_BUFFER_OFFSET (buf) = src->curoffset;
GST_BUFFER_OFFSET_END (buf) = src->curoffset + readsamples;
GST_BUFFER_DURATION (buf) =
(GST_SECOND * GST_BUFFER_SIZE (buf)) / (GST_OSSELEMENT (src)->bps *
GST_OSSELEMENT (src)->rate);
readsamples * GST_SECOND / GST_OSSELEMENT (src)->rate;
/* if we have a clock */
if (src->clock) {
if (src->clock == src->provided_clock) {
/* if it's our own clock, we can be very accurate */
GST_BUFFER_TIMESTAMP (buf) =
src->curoffset * GST_SECOND / GST_OSSELEMENT (src)->bps;
src->curoffset * GST_SECOND / GST_OSSELEMENT (src)->rate;
} else {
/* somebody elses clock, timestamp with that clock, no discontinuity in
* the stream since the OFFSET is updated correctly. Elements can stretch
@ -401,7 +404,7 @@ gst_osssrc_get (GstPad * pad)
GST_BUFFER_TIMESTAMP (buf) = GST_CLOCK_TIME_NONE;
}
src->curoffset += readbytes;
src->curoffset += readsamples;
GST_DEBUG ("pushed buffer from soundcard of %ld bytes, timestamp %"
G_GINT64_FORMAT, readbytes, GST_BUFFER_TIMESTAMP (buf));