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authorkapil <kapil@fluendo.com>2008-03-31 16:24:42 +0000
committerWim Taymans <wim.taymans@gmail.com>2008-03-31 16:24:42 +0000
commitb891ea8e813463c9e54113c3c02e8c8ffb3d2f9a (patch)
tree8b7ee84df565dd625b71a75b7ef7617e65b79def /ext
parent71c066af7a9bf1c0a08c51fdcae01f0d31dc6015 (diff)
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ext/gsm/gstgsmdec.*: Increase the allowed samplerates for the ms-gsm format.
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.
Diffstat (limited to 'ext')
-rw-r--r--ext/gsm/gstgsmdec.c49
-rw-r--r--ext/gsm/gstgsmdec.h4
2 files changed, 38 insertions, 15 deletions
diff --git a/ext/gsm/gstgsmdec.c b/ext/gsm/gstgsmdec.c
index c20c72a8..35dd1774 100644
--- a/ext/gsm/gstgsmdec.c
+++ b/ext/gsm/gstgsmdec.c
@@ -87,12 +87,14 @@ gst_gsmdec_get_type (void)
return gsmdec_type;
}
+#define ENCODED_SAMPLES 160
+
static GstStaticPadTemplate gsmdec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
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 =
@@ -103,7 +105,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
"endianness = (int) BYTE_ORDER, "
"signed = (boolean) true, "
"width = (int) 16, "
- "depth = (int) 16, " "rate = (int) 8000, " "channels = (int) 1")
+ "depth = (int) 16, " "rate = (int) [1, MAX], " "channels = (int) 1")
);
static void
@@ -175,6 +177,7 @@ gst_gsmdec_sink_setcaps (GstPad * pad, GstCaps * caps)
GstGSMDec *gsmdec;
GstCaps *srccaps;
GstStructure *s;
+ gboolean ret = FALSE;
gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
@@ -190,25 +193,41 @@ gst_gsmdec_sink_setcaps (GstPad * pad, GstCaps * caps)
else
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 */
gsm_option (gsmdec->state, GSM_OPT_WAV49, &gsmdec->use_wav49);
- /* we only have one possible source caps, which is the same as our template. */
- srccaps = gst_static_pad_template_get_caps (&gsmdec_src_template);
+ gsmdec->duration = gst_util_uint64_scale (ENCODED_SAMPLES,
+ 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);
- return TRUE;
+ return ret;
/* ERRORS */
wrong_caps:
- {
- GST_ERROR_OBJECT (gsmdec, "invalid caps received");
- gst_object_unref (gsmdec);
- return FALSE;
- }
+
+ GST_ERROR_OBJECT (gsmdec, "invalid caps received");
+
+beach:
+ gst_object_unref (gsmdec);
+
+ return ret;
}
static gboolean
@@ -283,7 +302,7 @@ gst_gsmdec_chain (GstPad * pad, GstBuffer * buf)
GstBuffer *outbuf;
/* 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
* timestamp (if any). */
@@ -294,13 +313,13 @@ gst_gsmdec_chain (GstPad * pad, GstBuffer * buf)
/* interpolate in the next run */
if (timestamp != GST_CLOCK_TIME_NONE)
- gsmdec->next_ts = timestamp + (20 * GST_MSECOND);
+ gsmdec->next_ts = timestamp + gsmdec->duration;
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;
if (gsmdec->next_of != -1)
- gsmdec->next_of += 160;
+ gsmdec->next_of += ENCODED_SAMPLES;
GST_BUFFER_OFFSET_END (outbuf) = gsmdec->next_of;
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmdec->srcpad));
diff --git a/ext/gsm/gstgsmdec.h b/ext/gsm/gstgsmdec.h
index cc633d86..0013aa47 100644
--- a/ext/gsm/gstgsmdec.h
+++ b/ext/gsm/gstgsmdec.h
@@ -60,6 +60,10 @@ struct _GstGSMDec
GstAdapter *adapter;
GstSegment segment;
+
+ gint rate;
+
+ GstClockTime duration;
};
struct _GstGSMDecClass