mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Getting the GSM (de)payloader working and compatible with our plans for RTP.
Original commit message from CVS: Getting the GSM (de)payloader working and compatible with our plans for RTP.
This commit is contained in:
Zeeshan Ali
parent
4f40e2e01e
commit
240bea7417
9 changed files with 180 additions and 402 deletions
14
ChangeLog
14
ChangeLog
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@ -1,3 +1,17 @@
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2005-10-25 Zeeshan Ali <zeenix@gmail.com>
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* gst/rtp/gstrtpgsmenc.c: (gst_rtpgsmenc_get_type),
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(gst_rtpgsmenc_base_init), (gst_rtpgsmenc_class_init),
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(gst_rtpgsmenc_init), (gst_rtpgsmenc_setcaps),
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(gst_rtpgsmenc_handle_buffer):
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* gst/rtp/gstrtpgsmenc.h:
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* gst/rtp/gstrtpgsmparse.c: (gst_rtpgsmparse_get_type),
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(gst_rtpgsmparse_base_init), (gst_rtpgsmparse_class_init),
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(gst_rtpgsmparse_init), (gst_rtpgsmparse_setcaps),
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(gst_rtpgsmparse_finalize), (gst_rtpgsmparse_process):
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* gst/rtp/gstrtpgsmparse.h:
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Getting the GSM (de)payloader working and compatible with our plans for RTP.
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2005-10-25 Julien MOUTTE <julien@moutte.net>
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* ext/libpng/gstpngdec.c: (user_info_callback),
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@ -28,24 +28,18 @@ static GstElementDetails gst_rtp_gsmparse_details = {
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"Zeeshan Ali <zak147@yahoo.com>"
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};
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/* RtpGSMParse signals and args */
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/* RTPGSMParse signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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ARG_FREQUENCY
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};
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static GstStaticPadTemplate gst_rtpgsmparse_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) [ 1000, 48000 ]")
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GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) 8000, " "channels = 1")
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);
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static GstStaticPadTemplate gst_rtpgsmparse_sink_template =
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@ -58,21 +52,14 @@ GST_STATIC_PAD_TEMPLATE ("sink",
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"clock-rate = (int) 8000, " "encoding-name = (string) \"GSM\"")
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);
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static void gst_rtpgsmparse_class_init (GstRtpGSMParseClass * klass);
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static void gst_rtpgsmparse_base_init (GstRtpGSMParseClass * klass);
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static void gst_rtpgsmparse_init (GstRtpGSMParse * rtpgsmparse);
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static GstFlowReturn gst_rtpgsmparse_chain (GstPad * pad, GstBuffer * buffer);
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static void gst_rtpgsmparse_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_rtpgsmparse_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstStateChangeReturn gst_rtpgsmparse_change_state (GstElement * element,
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GstStateChange transition);
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static void gst_rtpgsmparse_class_init (GstRTPGSMParseClass * klass);
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static void gst_rtpgsmparse_base_init (GstRTPGSMParseClass * klass);
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static void gst_rtpgsmparse_init (GstRTPGSMParse * rtpgsmparse);
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static GstBuffer *gst_rtpgsmparse_process (GstBaseRTPDepayload * depayload,
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GstBuffer * buf);
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static gboolean gst_rtpgsmparse_setcaps (GstBaseRTPDepayload * payload,
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GstCaps * caps);
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static void gst_rtpgsmparse_finalize (GObject * object);
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static GstElementClass *parent_class = NULL;
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static GType
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@ -82,26 +69,26 @@ gst_rtpgsmparse_get_type (void)
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if (!rtpgsmparse_type) {
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static const GTypeInfo rtpgsmparse_info = {
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sizeof (GstRtpGSMParseClass),
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sizeof (GstRTPGSMParseClass),
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(GBaseInitFunc) gst_rtpgsmparse_base_init,
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NULL,
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(GClassInitFunc) gst_rtpgsmparse_class_init,
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NULL,
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NULL,
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sizeof (GstRtpGSMParse),
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sizeof (GstRTPGSMParse),
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0,
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(GInstanceInitFunc) gst_rtpgsmparse_init,
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};
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rtpgsmparse_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstRtpGSMParse",
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g_type_register_static (GST_TYPE_BASE_RTP_DEPAYLOAD, "GstRTPGSMParse",
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&rtpgsmparse_info, 0);
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}
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return rtpgsmparse_type;
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}
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static void
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gst_rtpgsmparse_base_init (GstRtpGSMParseClass * klass)
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gst_rtpgsmparse_base_init (GstRTPGSMParseClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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@ -113,172 +100,67 @@ gst_rtpgsmparse_base_init (GstRtpGSMParseClass * klass)
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}
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static void
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gst_rtpgsmparse_class_init (GstRtpGSMParseClass * klass)
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gst_rtpgsmparse_class_init (GstRTPGSMParseClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_DEPAYLOAD);
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gobject_class->set_property = gst_rtpgsmparse_set_property;
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gobject_class->get_property = gst_rtpgsmparse_get_property;
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gstbasertpdepayload_class->process = gst_rtpgsmparse_process;
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gstbasertpdepayload_class->set_caps = gst_rtpgsmparse_setcaps;
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FREQUENCY,
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g_param_spec_int ("frequency", "frequency", "frequency",
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G_MININT, G_MAXINT, 8000, G_PARAM_READWRITE));
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gstelement_class->change_state = gst_rtpgsmparse_change_state;
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gobject_class->finalize = gst_rtpgsmparse_finalize;
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}
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static void
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gst_rtpgsmparse_init (GstRtpGSMParse * rtpgsmparse)
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gst_rtpgsmparse_init (GstRTPGSMParse * rtpgsmparse)
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{
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rtpgsmparse->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_rtpgsmparse_src_template), "src");
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rtpgsmparse->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_rtpgsmparse_sink_template), "sink");
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gst_element_add_pad (GST_ELEMENT (rtpgsmparse), rtpgsmparse->srcpad);
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gst_element_add_pad (GST_ELEMENT (rtpgsmparse), rtpgsmparse->sinkpad);
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gst_pad_set_chain_function (rtpgsmparse->sinkpad, gst_rtpgsmparse_chain);
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GST_BASE_RTP_DEPAYLOAD (rtpgsmparse)->clock_rate = 8000;
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}
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rtpgsmparse->frequency = 8000;
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static gboolean
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gst_rtpgsmparse_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
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{
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GstRTPGSMParse *rtpgsmparse;
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GstCaps *srccaps;
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rtpgsmparse = GST_RTP_GSM_PARSE (depayload);
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srccaps = gst_static_pad_template_get_caps (&gst_rtpgsmparse_src_template);
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return gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
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}
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static void
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gst_rtpgsm_caps_nego (GstRtpGSMParse * rtpgsmparse)
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gst_rtpgsmparse_finalize (GObject * object)
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{
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GstCaps *caps;
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caps = gst_caps_new_simple ("audio/x-gsm",
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"rate", G_TYPE_INT, rtpgsmparse->frequency, NULL);
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gst_pad_set_caps (rtpgsmparse->srcpad, caps);
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gst_caps_unref (caps);
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if (G_OBJECT_CLASS (parent_class)->finalize)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GstFlowReturn
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gst_rtpgsmparse_chain (GstPad * pad, GstBuffer * buf)
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static GstBuffer *
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gst_rtpgsmparse_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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{
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GstRtpGSMParse *rtpgsmparse;
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GstBuffer *outbuf;
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GstFlowReturn ret;
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guint8 pt;
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GstBuffer *outbuf = NULL;
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gint payload_len;
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guint8 *payload;
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rtpgsmparse = GST_RTP_GSM_PARSE (gst_pad_get_parent (pad));
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GST_DEBUG ("process : got %d bytes, mark %d ts %u seqn %d",
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GST_BUFFER_SIZE (buf),
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gst_rtpbuffer_get_marker (buf),
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gst_rtpbuffer_get_timestamp (buf), gst_rtpbuffer_get_seq (buf));
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if (GST_PAD_CAPS (rtpgsmparse->srcpad) == NULL) {
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gst_rtpgsm_caps_nego (rtpgsmparse);
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}
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payload_len = gst_rtpbuffer_get_payload_len (buf);
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payload = gst_rtpbuffer_get_payload (buf);
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if (!gst_rtpbuffer_validate (buf))
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goto bad_packet;
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if ((pt = gst_rtpbuffer_get_payload_type (buf)) != GST_RTP_PAYLOAD_GSM)
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goto bad_payload;
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{
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gint payload_len;
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guint8 *payload;
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guint32 timestamp;
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payload_len = gst_rtpbuffer_get_payload_len (buf);
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payload = gst_rtpbuffer_get_payload (buf);
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timestamp = gst_rtpbuffer_get_timestamp (buf);
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outbuf = gst_buffer_new_and_alloc (payload_len);
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GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 8000;
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memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
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GST_DEBUG ("pushing buffer of size %d", GST_BUFFER_SIZE (outbuf));
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gst_buffer_unref (buf);
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ret = gst_pad_push (rtpgsmparse->srcpad, outbuf);
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}
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return ret;
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bad_packet:
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{
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GST_DEBUG ("Packet did not validate");
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gst_buffer_unref (buf);
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return GST_FLOW_ERROR;
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}
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bad_payload:
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{
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GST_DEBUG ("Unexpected payload type %u", pt);
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gst_buffer_unref (buf);
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return GST_FLOW_ERROR;
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}
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}
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static void
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gst_rtpgsmparse_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstRtpGSMParse *rtpgsmparse;
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rtpgsmparse = GST_RTP_GSM_PARSE (object);
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switch (prop_id) {
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case ARG_FREQUENCY:
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rtpgsmparse->frequency = g_value_get_int (value);
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break;
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default:
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break;
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}
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}
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static void
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gst_rtpgsmparse_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstRtpGSMParse *rtpgsmparse;
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rtpgsmparse = GST_RTP_GSM_PARSE (object);
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switch (prop_id) {
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case ARG_FREQUENCY:
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g_value_set_int (value, rtpgsmparse->frequency);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static GstStateChangeReturn
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gst_rtpgsmparse_change_state (GstElement * element, GstStateChange transition)
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{
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GstRtpGSMParse *rtpgsmparse;
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GstStateChangeReturn ret;
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rtpgsmparse = GST_RTP_GSM_PARSE (element);
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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break;
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_NULL:
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break;
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default:
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break;
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}
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return ret;
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outbuf = gst_buffer_new_and_alloc (payload_len);
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memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
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return outbuf;
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}
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gboolean
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@ -21,26 +21,27 @@
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#define __GST_RTP_GSM_PARSE_H__
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#include <gst/gst.h>
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#include <gst/rtp/gstbasertpdepayload.h>
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G_BEGIN_DECLS
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typedef struct _GstRtpGSMParse GstRtpGSMParse;
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typedef struct _GstRtpGSMParseClass GstRtpGSMParseClass;
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typedef struct _GstRTPGSMParse GstRTPGSMParse;
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typedef struct _GstRTPGSMParseClass GstRTPGSMParseClass;
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#define GST_TYPE_RTP_GSM_PARSE \
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(gst_rtpgsmparse_get_type())
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#define GST_RTP_GSM_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_PARSE,GstRtpGSMParse))
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_PARSE,GstRTPGSMParse))
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#define GST_RTP_GSM_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_PARSE,GstRtpGSMParse))
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_PARSE,GstRTPGSMParse))
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#define GST_IS_RTP_GSM_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GSM_PARSE))
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#define GST_IS_RTP_GSM_PARSE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GSM_PARSE))
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struct _GstRtpGSMParse
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struct _GstRTPGSMParse
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{
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GstElement element;
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GstBaseRTPDepayload depayload;
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GstPad *sinkpad;
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GstPad *srcpad;
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@ -48,9 +49,9 @@ struct _GstRtpGSMParse
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guint frequency;
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};
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struct _GstRtpGSMParseClass
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struct _GstRTPGSMParseClass
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{
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GstElementClass parent_class;
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GstBaseRTPDepayloadClass parent_class;
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};
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gboolean gst_rtpgsmparse_plugin_init (GstPlugin * plugin);
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|
|
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@ -39,7 +39,7 @@ static GstStaticPadTemplate gst_rtpgsmenc_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) [ 1000, 48000 ]")
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GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) 8000, " "channels = (int) 1")
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);
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static GstStaticPadTemplate gst_rtpgsmenc_src_template =
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@ -53,9 +53,9 @@ GST_STATIC_PAD_TEMPLATE ("src",
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);
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static void gst_rtpgsmenc_class_init (GstRtpGSMEncClass * klass);
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static void gst_rtpgsmenc_base_init (GstRtpGSMEncClass * klass);
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static void gst_rtpgsmenc_init (GstRtpGSMEnc * rtpgsmenc);
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static void gst_rtpgsmenc_class_init (GstRTPGSMEncClass * klass);
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static void gst_rtpgsmenc_base_init (GstRTPGSMEncClass * klass);
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static void gst_rtpgsmenc_init (GstRTPGSMEnc * rtpgsmenc);
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static gboolean gst_rtpgsmenc_setcaps (GstBaseRTPPayload * payload,
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GstCaps * caps);
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|
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@ -71,26 +71,26 @@ gst_rtpgsmenc_get_type (void)
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if (!rtpgsmenc_type) {
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static const GTypeInfo rtpgsmenc_info = {
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sizeof (GstRtpGSMEncClass),
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sizeof (GstRTPGSMEncClass),
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(GBaseInitFunc) gst_rtpgsmenc_base_init,
|
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NULL,
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(GClassInitFunc) gst_rtpgsmenc_class_init,
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NULL,
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NULL,
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sizeof (GstRtpGSMEnc),
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sizeof (GstRTPGSMEnc),
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0,
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(GInstanceInitFunc) gst_rtpgsmenc_init,
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};
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rtpgsmenc_type =
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g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpGSMEnc",
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g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRTPGSMEnc",
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&rtpgsmenc_info, 0);
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}
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return rtpgsmenc_type;
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}
|
||||
|
||||
static void
|
||||
gst_rtpgsmenc_base_init (GstRtpGSMEncClass * klass)
|
||||
gst_rtpgsmenc_base_init (GstRTPGSMEncClass * klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
|
|
@ -102,7 +102,7 @@ gst_rtpgsmenc_base_init (GstRtpGSMEncClass * klass)
|
|||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmenc_class_init (GstRtpGSMEncClass * klass)
|
||||
gst_rtpgsmenc_class_init (GstRTPGSMEncClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
|
|
@ -119,15 +119,16 @@ gst_rtpgsmenc_class_init (GstRtpGSMEncClass * klass)
|
|||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmenc_init (GstRtpGSMEnc * rtpgsmenc)
|
||||
gst_rtpgsmenc_init (GstRTPGSMEnc * rtpgsmenc)
|
||||
{
|
||||
rtpgsmenc->frequency = 8000;
|
||||
GST_BASE_RTP_PAYLOAD (rtpgsmenc)->clock_rate = 8000;
|
||||
GST_BASE_RTP_PAYLOAD_PT (rtpgsmenc) = GST_RTP_PAYLOAD_GSM;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtpgsmenc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
|
||||
{
|
||||
GstRtpGSMEnc *rtpgsmenc;
|
||||
GstRTPGSMEnc *rtpgsmenc;
|
||||
GstStructure *structure;
|
||||
gboolean ret;
|
||||
GstCaps *srccaps;
|
||||
|
|
@ -136,7 +137,9 @@ gst_rtpgsmenc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
|
|||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
ret = gst_structure_get_int (structure, "rate", &rtpgsmenc->frequency);
|
||||
ret =
|
||||
gst_structure_get_int (structure, "rate",
|
||||
&(GST_BASE_RTP_PAYLOAD (rtpgsmenc)->clock_rate));
|
||||
if (!ret)
|
||||
return FALSE;
|
||||
|
||||
|
|
@ -151,7 +154,7 @@ static GstFlowReturn
|
|||
gst_rtpgsmenc_handle_buffer (GstBaseRTPPayload * basepayload,
|
||||
GstBuffer * buffer)
|
||||
{
|
||||
GstRtpGSMEnc *rtpgsmenc;
|
||||
GstRTPGSMEnc *rtpgsmenc;
|
||||
guint size, payload_len;
|
||||
GstBuffer *outbuf;
|
||||
guint8 *payload, *data;
|
||||
|
|
@ -170,8 +173,6 @@ gst_rtpgsmenc_handle_buffer (GstBaseRTPPayload * basepayload,
|
|||
/* FIXME, assert for now */
|
||||
g_assert (GST_BUFFER_SIZE (outbuf) < GST_BASE_RTP_PAYLOAD_MTU (rtpgsmenc));
|
||||
|
||||
gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND);
|
||||
|
||||
/* copy timestamp */
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
|
||||
|
||||
|
|
|
|||
|
|
@ -26,28 +26,26 @@
|
|||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _GstRtpGSMEnc GstRtpGSMEnc;
|
||||
typedef struct _GstRtpGSMEncClass GstRtpGSMEncClass;
|
||||
typedef struct _GstRTPGSMEnc GstRTPGSMEnc;
|
||||
typedef struct _GstRTPGSMEncClass GstRTPGSMEncClass;
|
||||
|
||||
#define GST_TYPE_RTP_GSM_ENC \
|
||||
(gst_rtpgsmenc_get_type())
|
||||
#define GST_RTP_GSM_ENC(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_ENC,GstRtpGSMEnc))
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_ENC,GstRTPGSMEnc))
|
||||
#define GST_RTP_GSM_ENC_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_ENC,GstRtpGSMEnc))
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_ENC,GstRTPGSMEnc))
|
||||
#define GST_IS_RTP_GSM_ENC(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GSM_ENC))
|
||||
#define GST_IS_RTP_GSM_ENC_CLASS(obj) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GSM_ENC))
|
||||
|
||||
struct _GstRtpGSMEnc
|
||||
struct _GstRTPGSMEnc
|
||||
{
|
||||
GstBaseRTPPayload payload;
|
||||
|
||||
gint frequency;
|
||||
};
|
||||
|
||||
struct _GstRtpGSMEncClass
|
||||
struct _GstRTPGSMEncClass
|
||||
{
|
||||
GstBaseRTPPayloadClass parent_class;
|
||||
};
|
||||
|
|
|
|||
|
|
@ -28,24 +28,18 @@ static GstElementDetails gst_rtp_gsmparse_details = {
|
|||
"Zeeshan Ali <zak147@yahoo.com>"
|
||||
};
|
||||
|
||||
/* RtpGSMParse signals and args */
|
||||
/* RTPGSMParse signals and args */
|
||||
enum
|
||||
{
|
||||
/* FILL ME */
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
ARG_0,
|
||||
ARG_FREQUENCY
|
||||
};
|
||||
|
||||
static GstStaticPadTemplate gst_rtpgsmparse_src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) [ 1000, 48000 ]")
|
||||
GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) 8000, " "channels = 1")
|
||||
);
|
||||
|
||||
static GstStaticPadTemplate gst_rtpgsmparse_sink_template =
|
||||
|
|
@ -58,21 +52,14 @@ GST_STATIC_PAD_TEMPLATE ("sink",
|
|||
"clock-rate = (int) 8000, " "encoding-name = (string) \"GSM\"")
|
||||
);
|
||||
|
||||
|
||||
static void gst_rtpgsmparse_class_init (GstRtpGSMParseClass * klass);
|
||||
static void gst_rtpgsmparse_base_init (GstRtpGSMParseClass * klass);
|
||||
static void gst_rtpgsmparse_init (GstRtpGSMParse * rtpgsmparse);
|
||||
|
||||
static GstFlowReturn gst_rtpgsmparse_chain (GstPad * pad, GstBuffer * buffer);
|
||||
|
||||
static void gst_rtpgsmparse_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec);
|
||||
static void gst_rtpgsmparse_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec);
|
||||
|
||||
static GstStateChangeReturn gst_rtpgsmparse_change_state (GstElement * element,
|
||||
GstStateChange transition);
|
||||
|
||||
static void gst_rtpgsmparse_class_init (GstRTPGSMParseClass * klass);
|
||||
static void gst_rtpgsmparse_base_init (GstRTPGSMParseClass * klass);
|
||||
static void gst_rtpgsmparse_init (GstRTPGSMParse * rtpgsmparse);
|
||||
static GstBuffer *gst_rtpgsmparse_process (GstBaseRTPDepayload * depayload,
|
||||
GstBuffer * buf);
|
||||
static gboolean gst_rtpgsmparse_setcaps (GstBaseRTPDepayload * payload,
|
||||
GstCaps * caps);
|
||||
static void gst_rtpgsmparse_finalize (GObject * object);
|
||||
static GstElementClass *parent_class = NULL;
|
||||
|
||||
static GType
|
||||
|
|
@ -82,26 +69,26 @@ gst_rtpgsmparse_get_type (void)
|
|||
|
||||
if (!rtpgsmparse_type) {
|
||||
static const GTypeInfo rtpgsmparse_info = {
|
||||
sizeof (GstRtpGSMParseClass),
|
||||
sizeof (GstRTPGSMParseClass),
|
||||
(GBaseInitFunc) gst_rtpgsmparse_base_init,
|
||||
NULL,
|
||||
(GClassInitFunc) gst_rtpgsmparse_class_init,
|
||||
NULL,
|
||||
NULL,
|
||||
sizeof (GstRtpGSMParse),
|
||||
sizeof (GstRTPGSMParse),
|
||||
0,
|
||||
(GInstanceInitFunc) gst_rtpgsmparse_init,
|
||||
};
|
||||
|
||||
rtpgsmparse_type =
|
||||
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpGSMParse",
|
||||
g_type_register_static (GST_TYPE_BASE_RTP_DEPAYLOAD, "GstRTPGSMParse",
|
||||
&rtpgsmparse_info, 0);
|
||||
}
|
||||
return rtpgsmparse_type;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmparse_base_init (GstRtpGSMParseClass * klass)
|
||||
gst_rtpgsmparse_base_init (GstRTPGSMParseClass * klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
|
|
@ -113,172 +100,67 @@ gst_rtpgsmparse_base_init (GstRtpGSMParseClass * klass)
|
|||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmparse_class_init (GstRtpGSMParseClass * klass)
|
||||
gst_rtpgsmparse_class_init (GstRTPGSMParseClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
|
||||
|
||||
gobject_class = (GObjectClass *) klass;
|
||||
gstelement_class = (GstElementClass *) klass;
|
||||
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
|
||||
|
||||
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
|
||||
parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_DEPAYLOAD);
|
||||
|
||||
gobject_class->set_property = gst_rtpgsmparse_set_property;
|
||||
gobject_class->get_property = gst_rtpgsmparse_get_property;
|
||||
gstbasertpdepayload_class->process = gst_rtpgsmparse_process;
|
||||
gstbasertpdepayload_class->set_caps = gst_rtpgsmparse_setcaps;
|
||||
|
||||
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FREQUENCY,
|
||||
g_param_spec_int ("frequency", "frequency", "frequency",
|
||||
G_MININT, G_MAXINT, 8000, G_PARAM_READWRITE));
|
||||
|
||||
gstelement_class->change_state = gst_rtpgsmparse_change_state;
|
||||
gobject_class->finalize = gst_rtpgsmparse_finalize;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmparse_init (GstRtpGSMParse * rtpgsmparse)
|
||||
gst_rtpgsmparse_init (GstRTPGSMParse * rtpgsmparse)
|
||||
{
|
||||
rtpgsmparse->srcpad =
|
||||
gst_pad_new_from_template (gst_static_pad_template_get
|
||||
(&gst_rtpgsmparse_src_template), "src");
|
||||
rtpgsmparse->sinkpad =
|
||||
gst_pad_new_from_template (gst_static_pad_template_get
|
||||
(&gst_rtpgsmparse_sink_template), "sink");
|
||||
gst_element_add_pad (GST_ELEMENT (rtpgsmparse), rtpgsmparse->srcpad);
|
||||
gst_element_add_pad (GST_ELEMENT (rtpgsmparse), rtpgsmparse->sinkpad);
|
||||
gst_pad_set_chain_function (rtpgsmparse->sinkpad, gst_rtpgsmparse_chain);
|
||||
GST_BASE_RTP_DEPAYLOAD (rtpgsmparse)->clock_rate = 8000;
|
||||
}
|
||||
|
||||
rtpgsmparse->frequency = 8000;
|
||||
static gboolean
|
||||
gst_rtpgsmparse_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
|
||||
{
|
||||
GstRTPGSMParse *rtpgsmparse;
|
||||
GstCaps *srccaps;
|
||||
|
||||
rtpgsmparse = GST_RTP_GSM_PARSE (depayload);
|
||||
|
||||
srccaps = gst_static_pad_template_get_caps (&gst_rtpgsmparse_src_template);
|
||||
return gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsm_caps_nego (GstRtpGSMParse * rtpgsmparse)
|
||||
gst_rtpgsmparse_finalize (GObject * object)
|
||||
{
|
||||
GstCaps *caps;
|
||||
|
||||
caps = gst_caps_new_simple ("audio/x-gsm",
|
||||
"rate", G_TYPE_INT, rtpgsmparse->frequency, NULL);
|
||||
|
||||
gst_pad_set_caps (rtpgsmparse->srcpad, caps);
|
||||
gst_caps_unref (caps);
|
||||
if (G_OBJECT_CLASS (parent_class)->finalize)
|
||||
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_rtpgsmparse_chain (GstPad * pad, GstBuffer * buf)
|
||||
static GstBuffer *
|
||||
gst_rtpgsmparse_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
|
||||
{
|
||||
GstRtpGSMParse *rtpgsmparse;
|
||||
GstBuffer *outbuf;
|
||||
GstFlowReturn ret;
|
||||
guint8 pt;
|
||||
GstBuffer *outbuf = NULL;
|
||||
gint payload_len;
|
||||
guint8 *payload;
|
||||
|
||||
rtpgsmparse = GST_RTP_GSM_PARSE (gst_pad_get_parent (pad));
|
||||
GST_DEBUG ("process : got %d bytes, mark %d ts %u seqn %d",
|
||||
GST_BUFFER_SIZE (buf),
|
||||
gst_rtpbuffer_get_marker (buf),
|
||||
gst_rtpbuffer_get_timestamp (buf), gst_rtpbuffer_get_seq (buf));
|
||||
|
||||
if (GST_PAD_CAPS (rtpgsmparse->srcpad) == NULL) {
|
||||
gst_rtpgsm_caps_nego (rtpgsmparse);
|
||||
}
|
||||
payload_len = gst_rtpbuffer_get_payload_len (buf);
|
||||
payload = gst_rtpbuffer_get_payload (buf);
|
||||
|
||||
if (!gst_rtpbuffer_validate (buf))
|
||||
goto bad_packet;
|
||||
|
||||
if ((pt = gst_rtpbuffer_get_payload_type (buf)) != GST_RTP_PAYLOAD_GSM)
|
||||
goto bad_payload;
|
||||
|
||||
{
|
||||
gint payload_len;
|
||||
guint8 *payload;
|
||||
guint32 timestamp;
|
||||
|
||||
payload_len = gst_rtpbuffer_get_payload_len (buf);
|
||||
payload = gst_rtpbuffer_get_payload (buf);
|
||||
|
||||
timestamp = gst_rtpbuffer_get_timestamp (buf);
|
||||
|
||||
outbuf = gst_buffer_new_and_alloc (payload_len);
|
||||
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 8000;
|
||||
|
||||
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
|
||||
|
||||
GST_DEBUG ("pushing buffer of size %d", GST_BUFFER_SIZE (outbuf));
|
||||
|
||||
gst_buffer_unref (buf);
|
||||
|
||||
ret = gst_pad_push (rtpgsmparse->srcpad, outbuf);
|
||||
}
|
||||
|
||||
return ret;
|
||||
|
||||
bad_packet:
|
||||
{
|
||||
GST_DEBUG ("Packet did not validate");
|
||||
gst_buffer_unref (buf);
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
bad_payload:
|
||||
{
|
||||
GST_DEBUG ("Unexpected payload type %u", pt);
|
||||
gst_buffer_unref (buf);
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmparse_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstRtpGSMParse *rtpgsmparse;
|
||||
|
||||
rtpgsmparse = GST_RTP_GSM_PARSE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_FREQUENCY:
|
||||
rtpgsmparse->frequency = g_value_get_int (value);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmparse_get_property (GObject * object, guint prop_id, GValue * value,
|
||||
GParamSpec * pspec)
|
||||
{
|
||||
GstRtpGSMParse *rtpgsmparse;
|
||||
|
||||
rtpgsmparse = GST_RTP_GSM_PARSE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_FREQUENCY:
|
||||
g_value_set_int (value, rtpgsmparse->frequency);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_rtpgsmparse_change_state (GstElement * element, GstStateChange transition)
|
||||
{
|
||||
GstRtpGSMParse *rtpgsmparse;
|
||||
GstStateChangeReturn ret;
|
||||
|
||||
rtpgsmparse = GST_RTP_GSM_PARSE (element);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
outbuf = gst_buffer_new_and_alloc (payload_len);
|
||||
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
|
||||
return outbuf;
|
||||
}
|
||||
|
||||
gboolean
|
||||
|
|
|
|||
|
|
@ -21,26 +21,27 @@
|
|||
#define __GST_RTP_GSM_PARSE_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstbasertpdepayload.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _GstRtpGSMParse GstRtpGSMParse;
|
||||
typedef struct _GstRtpGSMParseClass GstRtpGSMParseClass;
|
||||
typedef struct _GstRTPGSMParse GstRTPGSMParse;
|
||||
typedef struct _GstRTPGSMParseClass GstRTPGSMParseClass;
|
||||
|
||||
#define GST_TYPE_RTP_GSM_PARSE \
|
||||
(gst_rtpgsmparse_get_type())
|
||||
#define GST_RTP_GSM_PARSE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_PARSE,GstRtpGSMParse))
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_PARSE,GstRTPGSMParse))
|
||||
#define GST_RTP_GSM_PARSE_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_PARSE,GstRtpGSMParse))
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_PARSE,GstRTPGSMParse))
|
||||
#define GST_IS_RTP_GSM_PARSE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GSM_PARSE))
|
||||
#define GST_IS_RTP_GSM_PARSE_CLASS(obj) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GSM_PARSE))
|
||||
|
||||
struct _GstRtpGSMParse
|
||||
struct _GstRTPGSMParse
|
||||
{
|
||||
GstElement element;
|
||||
GstBaseRTPDepayload depayload;
|
||||
|
||||
GstPad *sinkpad;
|
||||
GstPad *srcpad;
|
||||
|
|
@ -48,9 +49,9 @@ struct _GstRtpGSMParse
|
|||
guint frequency;
|
||||
};
|
||||
|
||||
struct _GstRtpGSMParseClass
|
||||
struct _GstRTPGSMParseClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
GstBaseRTPDepayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtpgsmparse_plugin_init (GstPlugin * plugin);
|
||||
|
|
|
|||
|
|
@ -39,7 +39,7 @@ static GstStaticPadTemplate gst_rtpgsmenc_sink_template =
|
|||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) [ 1000, 48000 ]")
|
||||
GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) 8000, " "channels = (int) 1")
|
||||
);
|
||||
|
||||
static GstStaticPadTemplate gst_rtpgsmenc_src_template =
|
||||
|
|
@ -53,9 +53,9 @@ GST_STATIC_PAD_TEMPLATE ("src",
|
|||
);
|
||||
|
||||
|
||||
static void gst_rtpgsmenc_class_init (GstRtpGSMEncClass * klass);
|
||||
static void gst_rtpgsmenc_base_init (GstRtpGSMEncClass * klass);
|
||||
static void gst_rtpgsmenc_init (GstRtpGSMEnc * rtpgsmenc);
|
||||
static void gst_rtpgsmenc_class_init (GstRTPGSMEncClass * klass);
|
||||
static void gst_rtpgsmenc_base_init (GstRTPGSMEncClass * klass);
|
||||
static void gst_rtpgsmenc_init (GstRTPGSMEnc * rtpgsmenc);
|
||||
|
||||
static gboolean gst_rtpgsmenc_setcaps (GstBaseRTPPayload * payload,
|
||||
GstCaps * caps);
|
||||
|
|
@ -71,26 +71,26 @@ gst_rtpgsmenc_get_type (void)
|
|||
|
||||
if (!rtpgsmenc_type) {
|
||||
static const GTypeInfo rtpgsmenc_info = {
|
||||
sizeof (GstRtpGSMEncClass),
|
||||
sizeof (GstRTPGSMEncClass),
|
||||
(GBaseInitFunc) gst_rtpgsmenc_base_init,
|
||||
NULL,
|
||||
(GClassInitFunc) gst_rtpgsmenc_class_init,
|
||||
NULL,
|
||||
NULL,
|
||||
sizeof (GstRtpGSMEnc),
|
||||
sizeof (GstRTPGSMEnc),
|
||||
0,
|
||||
(GInstanceInitFunc) gst_rtpgsmenc_init,
|
||||
};
|
||||
|
||||
rtpgsmenc_type =
|
||||
g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpGSMEnc",
|
||||
g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRTPGSMEnc",
|
||||
&rtpgsmenc_info, 0);
|
||||
}
|
||||
return rtpgsmenc_type;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmenc_base_init (GstRtpGSMEncClass * klass)
|
||||
gst_rtpgsmenc_base_init (GstRTPGSMEncClass * klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
|
|
@ -102,7 +102,7 @@ gst_rtpgsmenc_base_init (GstRtpGSMEncClass * klass)
|
|||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmenc_class_init (GstRtpGSMEncClass * klass)
|
||||
gst_rtpgsmenc_class_init (GstRTPGSMEncClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
|
|
@ -119,15 +119,16 @@ gst_rtpgsmenc_class_init (GstRtpGSMEncClass * klass)
|
|||
}
|
||||
|
||||
static void
|
||||
gst_rtpgsmenc_init (GstRtpGSMEnc * rtpgsmenc)
|
||||
gst_rtpgsmenc_init (GstRTPGSMEnc * rtpgsmenc)
|
||||
{
|
||||
rtpgsmenc->frequency = 8000;
|
||||
GST_BASE_RTP_PAYLOAD (rtpgsmenc)->clock_rate = 8000;
|
||||
GST_BASE_RTP_PAYLOAD_PT (rtpgsmenc) = GST_RTP_PAYLOAD_GSM;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtpgsmenc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
|
||||
{
|
||||
GstRtpGSMEnc *rtpgsmenc;
|
||||
GstRTPGSMEnc *rtpgsmenc;
|
||||
GstStructure *structure;
|
||||
gboolean ret;
|
||||
GstCaps *srccaps;
|
||||
|
|
@ -136,7 +137,9 @@ gst_rtpgsmenc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
|
|||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
ret = gst_structure_get_int (structure, "rate", &rtpgsmenc->frequency);
|
||||
ret =
|
||||
gst_structure_get_int (structure, "rate",
|
||||
&(GST_BASE_RTP_PAYLOAD (rtpgsmenc)->clock_rate));
|
||||
if (!ret)
|
||||
return FALSE;
|
||||
|
||||
|
|
@ -151,7 +154,7 @@ static GstFlowReturn
|
|||
gst_rtpgsmenc_handle_buffer (GstBaseRTPPayload * basepayload,
|
||||
GstBuffer * buffer)
|
||||
{
|
||||
GstRtpGSMEnc *rtpgsmenc;
|
||||
GstRTPGSMEnc *rtpgsmenc;
|
||||
guint size, payload_len;
|
||||
GstBuffer *outbuf;
|
||||
guint8 *payload, *data;
|
||||
|
|
@ -170,8 +173,6 @@ gst_rtpgsmenc_handle_buffer (GstBaseRTPPayload * basepayload,
|
|||
/* FIXME, assert for now */
|
||||
g_assert (GST_BUFFER_SIZE (outbuf) < GST_BASE_RTP_PAYLOAD_MTU (rtpgsmenc));
|
||||
|
||||
gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND);
|
||||
|
||||
/* copy timestamp */
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
|
||||
|
||||
|
|
|
|||
|
|
@ -26,28 +26,26 @@
|
|||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _GstRtpGSMEnc GstRtpGSMEnc;
|
||||
typedef struct _GstRtpGSMEncClass GstRtpGSMEncClass;
|
||||
typedef struct _GstRTPGSMEnc GstRTPGSMEnc;
|
||||
typedef struct _GstRTPGSMEncClass GstRTPGSMEncClass;
|
||||
|
||||
#define GST_TYPE_RTP_GSM_ENC \
|
||||
(gst_rtpgsmenc_get_type())
|
||||
#define GST_RTP_GSM_ENC(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_ENC,GstRtpGSMEnc))
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_GSM_ENC,GstRTPGSMEnc))
|
||||
#define GST_RTP_GSM_ENC_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_ENC,GstRtpGSMEnc))
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_GSM_ENC,GstRTPGSMEnc))
|
||||
#define GST_IS_RTP_GSM_ENC(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_GSM_ENC))
|
||||
#define GST_IS_RTP_GSM_ENC_CLASS(obj) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_GSM_ENC))
|
||||
|
||||
struct _GstRtpGSMEnc
|
||||
struct _GstRTPGSMEnc
|
||||
{
|
||||
GstBaseRTPPayload payload;
|
||||
|
||||
gint frequency;
|
||||
};
|
||||
|
||||
struct _GstRtpGSMEncClass
|
||||
struct _GstRTPGSMEncClass
|
||||
{
|
||||
GstBaseRTPPayloadClass parent_class;
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in a new issue