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ext/gsm/gstgsmdec.*: Increase the allowed samplerates for the ms-gsm format.

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Original commit message from CVS:
Patch by: kapil <kapil at fluendo dot com>
* ext/gsm/gstgsmdec.c: (gst_gsmdec_sink_setcaps),
(gst_gsmdec_chain):
* ext/gsm/gstgsmdec.h:
Increase the allowed samplerates for the ms-gsm format.
Fixes #481354.
This commit is contained in:
kapil 2008-03-31 16:24:42 +00:00 committed by Wim Taymans
parent 71c066af7a
commit b891ea8e81
3 changed files with 48 additions and 15 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2008-03-31 Wim Taymans <wim.taymans@collabora.co.uk>
Patch by: kapil <kapil at fluendo dot com>
* ext/gsm/gstgsmdec.c: (gst_gsmdec_sink_setcaps),
(gst_gsmdec_chain):
* ext/gsm/gstgsmdec.h:
Increase the allowed samplerates for the ms-gsm format.
Fixes #481354.
2008-03-30 Tim-Philipp Müller <tim at centricular dot net> 2008-03-30 Tim-Philipp Müller <tim at centricular dot net>
Patch by: Jan de Groot <jan at jgc homeip net> Patch by: Jan de Groot <jan at jgc homeip net>

49
ext/gsm/gstgsmdec.c
View file

@ -87,12 +87,14 @@ gst_gsmdec_get_type (void)
return gsmdec_type; return gsmdec_type;
} }
#define ENCODED_SAMPLES 160
static GstStaticPadTemplate gsmdec_sink_template = static GstStaticPadTemplate gsmdec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink", GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK, GST_PAD_SINK,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-gsm, rate = (int) 8000, channels = (int) 1; " GST_STATIC_CAPS ("audio/x-gsm, rate = (int) 8000, channels = (int) 1; "
"audio/ms-gsm, rate = (int) 8000, channels = (int) 1") "audio/ms-gsm, rate = (int) [1, MAX], channels = (int) 1")
); );
static GstStaticPadTemplate gsmdec_src_template = static GstStaticPadTemplate gsmdec_src_template =
@ -103,7 +105,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
"endianness = (int) BYTE_ORDER, " "endianness = (int) BYTE_ORDER, "
"signed = (boolean) true, " "signed = (boolean) true, "
"width = (int) 16, " "width = (int) 16, "
"depth = (int) 16, " "rate = (int) 8000, " "channels = (int) 1") "depth = (int) 16, " "rate = (int) [1, MAX], " "channels = (int) 1")
); );
static void static void
@ -175,6 +177,7 @@ gst_gsmdec_sink_setcaps (GstPad * pad, GstCaps * caps)
GstGSMDec *gsmdec; GstGSMDec *gsmdec;
GstCaps *srccaps; GstCaps *srccaps;
GstStructure *s; GstStructure *s;
gboolean ret = FALSE;
gsmdec = GST_GSMDEC (gst_pad_get_parent (pad)); gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
@ -190,25 +193,41 @@ gst_gsmdec_sink_setcaps (GstPad * pad, GstCaps * caps)
else else
goto wrong_caps; goto wrong_caps;
if (!gst_structure_get_int (s, "rate", &gsmdec->rate)) {
GST_WARNING_OBJECT (gsmdec, "missing sample rate parameter from sink caps");
goto beach;
}
/* MSGSM needs different framing */ /* MSGSM needs different framing */
gsm_option (gsmdec->state, GSM_OPT_WAV49, &gsmdec->use_wav49); gsm_option (gsmdec->state, GSM_OPT_WAV49, &gsmdec->use_wav49);
/* we only have one possible source caps, which is the same as our template. */ gsmdec->duration = gst_util_uint64_scale (ENCODED_SAMPLES,
srccaps = gst_static_pad_template_get_caps (&gsmdec_src_template); GST_SECOND, gsmdec->rate);
gst_pad_set_caps (gsmdec->srcpad, srccaps); /* Setting up src caps based on the input sample rate. */
srccaps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE,
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
"rate", G_TYPE_INT, gsmdec->rate, "channels", G_TYPE_INT, 1, NULL);
ret = gst_pad_set_caps (gsmdec->srcpad, srccaps);
gst_caps_unref (srccaps);
gst_object_unref (gsmdec); gst_object_unref (gsmdec);
return TRUE; return ret;
/* ERRORS */ /* ERRORS */
wrong_caps: wrong_caps:
{
GST_ERROR_OBJECT (gsmdec, "invalid caps received"); GST_ERROR_OBJECT (gsmdec, "invalid caps received");
gst_object_unref (gsmdec);
return FALSE; beach:
} gst_object_unref (gsmdec);
return ret;
} }
static gboolean static gboolean
@ -283,7 +302,7 @@ gst_gsmdec_chain (GstPad * pad, GstBuffer * buf)
GstBuffer *outbuf; GstBuffer *outbuf;
/* always the same amount of output samples */ /* always the same amount of output samples */
outbuf = gst_buffer_new_and_alloc (160 * sizeof (gsm_signal)); outbuf = gst_buffer_new_and_alloc (ENCODED_SAMPLES * sizeof (gsm_signal));
/* If we are not given any timestamp, interpolate from last seen /* If we are not given any timestamp, interpolate from last seen
* timestamp (if any). */ * timestamp (if any). */
@ -294,13 +313,13 @@ gst_gsmdec_chain (GstPad * pad, GstBuffer * buf)
/* interpolate in the next run */ /* interpolate in the next run */
if (timestamp != GST_CLOCK_TIME_NONE) if (timestamp != GST_CLOCK_TIME_NONE)
gsmdec->next_ts = timestamp + (20 * GST_MSECOND); gsmdec->next_ts = timestamp + gsmdec->duration;
timestamp = GST_CLOCK_TIME_NONE; timestamp = GST_CLOCK_TIME_NONE;
GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND; GST_BUFFER_DURATION (outbuf) = gsmdec->duration;
GST_BUFFER_OFFSET (outbuf) = gsmdec->next_of; GST_BUFFER_OFFSET (outbuf) = gsmdec->next_of;
if (gsmdec->next_of != -1) if (gsmdec->next_of != -1)
gsmdec->next_of += 160; gsmdec->next_of += ENCODED_SAMPLES;
GST_BUFFER_OFFSET_END (outbuf) = gsmdec->next_of; GST_BUFFER_OFFSET_END (outbuf) = gsmdec->next_of;
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmdec->srcpad)); gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmdec->srcpad));

4
ext/gsm/gstgsmdec.h
View file

@ -60,6 +60,10 @@ struct _GstGSMDec
GstAdapter *adapter; GstAdapter *adapter;
GstSegment segment; GstSegment segment;
gint rate;
GstClockTime duration;
}; };
struct _GstGSMDecClass struct _GstGSMDecClass