mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-02-17 03:35:21 +00:00
Code Issues 1 Projects Releases Wiki Activity

ext/gsm/gstgsmdec.c: Fix capsnego, simplify chain function slightly.

Browse source 
Original commit message from CVS:
* ext/gsm/gstgsmdec.c: (gst_gsmdec_init), (gst_gsmdec_getcaps),
(gst_gsmdec_link), (gst_gsmdec_chain):
Fix capsnego, simplify chain function slightly.
* gst/qtdemux/qtdemux.c: (qtdemux_audio_caps):
Add GSM.
This commit is contained in:
Ronald S. Bultje 2004-04-19 02:00:24 +00:00
parent f3acf1d3eb
commit 47e43d5a7e
3 changed files with 65 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
ChangeLog
View file

@ -1,3 +1,11 @@
2004-04-18 Ronald Bultje <rbultje@ronald.bitfreak.net>
* ext/gsm/gstgsmdec.c: (gst_gsmdec_init), (gst_gsmdec_getcaps),
(gst_gsmdec_link), (gst_gsmdec_chain):
Fix capsnego, simplify chain function slightly.
* gst/qtdemux/qtdemux.c: (qtdemux_audio_caps):
Add GSM.
2004-04-18 Ronald Bultje <rbultje@ronald.bitfreak.net>
* gst/wavparse/gstwavparse.c: (gst_wavparse_init),

78
ext/gsm/gstgsmdec.c
View file

@ -51,8 +51,8 @@ static void gst_gsmdec_class_init (GstGSMDec * klass);
static void gst_gsmdec_init (GstGSMDec * gsmdec);
static void gst_gsmdec_chain (GstPad * pad, GstData * _data);
static GstPadLinkReturn gst_gsmdec_sinkconnect (GstPad * pad,
const GstCaps * caps);
static GstCaps *gst_gsmdec_getcaps (GstPad * pad);
static GstPadLinkReturn gst_gsmdec_link (GstPad * pad, const GstCaps * caps);
static GstElementClass *parent_class = NULL;
@ -133,41 +133,77 @@ gst_gsmdec_init (GstGSMDec * gsmdec)
gsmdec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gsmdec_sink_template), "sink");
gst_element_add_pad (GST_ELEMENT (gsmdec), gsmdec->sinkpad);
gst_pad_set_chain_function (gsmdec->sinkpad, gst_gsmdec_chain);
gst_pad_set_link_function (gsmdec->sinkpad, gst_gsmdec_sinkconnect);
gst_pad_set_getcaps_function (gsmdec->sinkpad, gst_gsmdec_getcaps);
gst_pad_set_link_function (gsmdec->sinkpad, gst_gsmdec_link);
gst_element_add_pad (GST_ELEMENT (gsmdec), gsmdec->sinkpad);
gsmdec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gsmdec_src_template), "src");
gst_pad_set_getcaps_function (gsmdec->srcpad, gst_gsmdec_getcaps);
gst_pad_set_link_function (gsmdec->srcpad, gst_gsmdec_link);
gst_element_add_pad (GST_ELEMENT (gsmdec), gsmdec->srcpad);
gsmdec->state = gsm_create ();
gsmdec->bufsize = 0;
}
static GstPadLinkReturn
gst_gsmdec_sinkconnect (GstPad * pad, const GstCaps * caps)
static GstCaps *
gst_gsmdec_getcaps (GstPad * pad)
{
GstGSMDec *gsmdec;
GstGSMDec *gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
const GValue *rate_value;
GstPad *otherpad;
GstCaps *othercaps, *basecaps;
if (pad == gsmdec->srcpad) {
otherpad = gsmdec->sinkpad;
basecaps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE,
"width", G_TYPE_INT, 16, "depth", G_TYPE_INT, 16, NULL);
} else {
otherpad = gsmdec->srcpad;
basecaps = gst_caps_new_simple ("audio/x-gsm", NULL);
}
othercaps = gst_pad_get_allowed_caps (otherpad);
rate_value = gst_structure_get_value (gst_caps_get_structure (othercaps,
0), "rate");
gst_structure_set_value (gst_caps_get_structure (basecaps, 0), "rate",
rate_value);
return basecaps;
}
static GstPadLinkReturn
gst_gsmdec_link (GstPad * pad, const GstCaps * caps)
{
GstGSMDec *gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
GstPad *otherpad;
GstCaps *othercaps;
gint rate;
GstStructure *structure;
gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "rate", &rate);
if (gst_pad_try_set_caps (gsmdec->srcpad,
gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE,
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, 1, NULL)) > 0) {
return GST_PAD_LINK_OK;
if (pad == gsmdec->sinkpad) {
otherpad = gsmdec->srcpad;
othercaps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE,
"width", G_TYPE_INT, 16, "depth", G_TYPE_INT, 16, NULL);
} else {
otherpad = gsmdec->sinkpad;
othercaps = gst_caps_new_simple ("audio/x-gsm", NULL);
}
return GST_PAD_LINK_REFUSED;
gst_caps_set_simple (othercaps,
"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, 1, NULL);
return gst_pad_try_set_caps (otherpad, othercaps);
}
static void
@ -211,12 +247,8 @@ gst_gsmdec_chain (GstPad * pad, GstData * _data)
while (size >= 33) {
GstBuffer *outbuf;
outbuf = gst_buffer_new ();
GST_BUFFER_DATA (outbuf) = g_malloc (160 * sizeof (gsm_signal));
GST_BUFFER_SIZE (outbuf) = 160 * sizeof (gsm_signal);
outbuf = gst_buffer_new_and_alloc (160 * sizeof (gsm_signal));
gsm_decode (gsmdec->state, data, (gsm_signal *) GST_BUFFER_DATA (outbuf));
gst_pad_push (gsmdec->srcpad, GST_DATA (outbuf));
size -= 33;

4
gst/qtdemux/qtdemux.c
View file

@ -2031,6 +2031,8 @@ qtdemux_audio_caps (GstQTDemux * qtdemux, guint32 fourcc, const guint8 * data)
"bitrate", G_TYPE_INT, QTDEMUX_GUINT32_GET (data + 40),
"blocksize", G_TYPE_INT, QTDEMUX_GUINT32_GET (data + 44), NULL);
}
case GST_MAKE_FOURCC ('a', 'g', 's', 'm'):
return gst_caps_new_simple ("audio/x-gsm", NULL);
case GST_MAKE_FOURCC ('q', 't', 'v', 'r'):
/* ? */
case GST_MAKE_FOURCC ('Q', 'D', 'M', 'C'):
@ -2039,8 +2041,6 @@ qtdemux_audio_caps (GstQTDemux * qtdemux, guint32 fourcc, const guint8 * data)
/* IMA 4:1 */
case GST_MAKE_FOURCC ('Q', 'c', 'l', 'p'):
/* QUALCOMM PureVoice */
case GST_MAKE_FOURCC ('a', 'g', 's', 'm'):
/* ? */
default:
g_critical ("Don't know how to convert fourcc '" GST_FOURCC_FORMAT
"' to caps\n", GST_FOURCC_ARGS (fourcc));