gstreamer/gst/rtp/gstrtpmpadepay.c
Wim Taymans 629fb234a0 better/unified long descriptions
Original commit message from CVS:
* ext/aalib/gstaasink.c:
* ext/annodex/gstcmmldec.c:
* ext/annodex/gstcmmlenc.c:
* ext/cairo/gsttextoverlay.c:
* ext/cairo/gsttimeoverlay.c:
* ext/cdio/gstcdiocddasrc.c:
* ext/dv/gstdvdec.c:
* ext/esd/esdmon.c:
* ext/esd/esdsink.c:
* ext/flac/gstflacdec.c:
* ext/flac/gstflacenc.c:
* ext/flac/gstflactag.c:
* ext/gconf/gstgconfaudiosink.c: (gst_gconf_audio_sink_base_init):
* ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init):
* ext/gconf/gstgconfvideosink.c: (gst_gconf_video_sink_base_init):
* ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init):
* ext/gdk_pixbuf/gstgdkpixbuf.c:
* ext/gdk_pixbuf/pixbufscale.c:
* ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init):
* ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init):
* ext/jpeg/gstjpegdec.c:
* ext/jpeg/gstjpegenc.c:
* ext/jpeg/gstsmokedec.c:
* ext/jpeg/gstsmokeenc.c:
* ext/libcaca/gstcacasink.c:
* ext/libmng/gstmngdec.c:
* ext/libmng/gstmngenc.c:
* ext/libpng/gstpngdec.c:
* ext/libpng/gstpngenc.c:
* ext/mikmod/gstmikmod.c:
* ext/raw1394/gstdv1394src.c:
* ext/shout2/gstshout2.c:
* ext/speex/gstspeexdec.c:
* ext/speex/gstspeexenc.c:
* gst/alpha/gstalpha.c:
* gst/alpha/gstalphacolor.c:
* gst/auparse/gstauparse.c:
* gst/autodetect/gstautoaudiosink.c:
(gst_auto_audio_sink_base_init):
* gst/autodetect/gstautovideosink.c:
(gst_auto_video_sink_base_init):
* gst/avi/gstavimux.c: (gst_avimux_base_init):
* gst/cutter/gstcutter.c:
* gst/debug/breakmydata.c:
* gst/debug/efence.c:
* gst/debug/gstnavigationtest.c:
* gst/debug/negotiation.c:
* gst/debug/progressreport.c:
* gst/debug/testplugin.c:
* gst/effectv/gstaging.c:
* gst/effectv/gstdice.c:
* gst/effectv/gstedge.c:
* gst/effectv/gstquark.c:
* gst/effectv/gstrev.c:
* gst/effectv/gstvertigo.c:
* gst/effectv/gstwarp.c:
* gst/flx/gstflxdec.c:
* gst/goom/gstgoom.c:
* gst/interleave/deinterleave.c:
* gst/interleave/interleave.c:
* gst/law/alaw-decode.c: (gst_alawdec_base_init):
* gst/law/alaw-encode.c: (gst_alawenc_base_init):
* gst/law/mulaw-decode.c: (gst_mulawdec_base_init):
* gst/law/mulaw-encode.c: (gst_mulawenc_base_init):
* gst/level/gstlevel.c:
* gst/matroska/matroska-demux.c: (gst_matroska_demux_base_init):
* gst/matroska/matroska-mux.c: (gst_matroska_mux_base_init):
* gst/median/gstmedian.c:
* gst/monoscope/gstmonoscope.c:
* gst/multipart/multipartdemux.c:
* gst/multipart/multipartmux.c:
* gst/oldcore/gstmd5sink.c:
* gst/oldcore/gstmultifilesrc.c:
* gst/oldcore/gstpipefilter.c:
* gst/oldcore/gstshaper.c:
* gst/oldcore/gststatistics.c:
* gst/rtp/gstasteriskh263.c:
* gst/rtp/gstrtpL16depay.c:
* gst/rtp/gstrtpL16pay.c:
* gst/rtp/gstrtpamrdepay.c:
* gst/rtp/gstrtpamrpay.c:
* gst/rtp/gstrtpdepay.c:
* gst/rtp/gstrtpgsmpay.c:
* gst/rtp/gstrtph263pay.c:
* gst/rtp/gstrtph263pdepay.c:
* gst/rtp/gstrtph263ppay.c:
* gst/rtp/gstrtpmp4gpay.c:
* gst/rtp/gstrtpmp4vdepay.c:
* gst/rtp/gstrtpmp4vpay.c:
* gst/rtp/gstrtpmpadepay.c:
* gst/rtp/gstrtpmpapay.c:
* gst/rtp/gstrtppcmadepay.c:
* gst/rtp/gstrtppcmapay.c:
* gst/rtp/gstrtppcmudepay.c:
* gst/rtp/gstrtppcmupay.c:
* gst/rtp/gstrtpspeexdepay.c:
* gst/rtp/gstrtpspeexpay.c:
* gst/rtsp/gstrtpdec.c:
* gst/smpte/gstsmpte.c:
* gst/videobox/gstvideobox.c:
* gst/videofilter/gstgamma.c: (gst_gamma_base_init):
* gst/videofilter/gstvideobalance.c:
* gst/videofilter/gstvideoflip.c:
* gst/videofilter/gstvideotemplate.c:
(gst_videotemplate_base_init):
* gst/videomixer/videomixer.c:
* gst/wavenc/gstwavenc.c:
* gst/wavparse/gstwavparse.c: (gst_wavparse_base_init):
better/unified long descriptions
Fixed #336602
Some cleanups to auparse, don't send multiple newsegments.
2006-03-30 15:37:05 +00:00

280 lines
7.3 KiB
C

/* GStreamer
* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpmpadepay.h"
/* elementfactory information */
static GstElementDetails gst_rtp_mpadepay_details =
GST_ELEMENT_DETAILS ("RTP packet parser",
"Codec/Depayr/Network",
"Extracts MPEG audio from RTP packets (RFC 2038)",
"Wim Taymans <wim@fluendo.com>");
/* RtpMPADepay signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_FREQUENCY
};
static GstStaticPadTemplate gst_rtp_mpa_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg")
);
static GstStaticPadTemplate gst_rtp_mpa_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"audio\", "
"clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\"")
);
static void gst_rtp_mpa_depay_class_init (GstRtpMPADepayClass * klass);
static void gst_rtp_mpa_depay_base_init (GstRtpMPADepayClass * klass);
static void gst_rtp_mpa_depay_init (GstRtpMPADepay * rtpmpadepay);
static GstFlowReturn gst_rtp_mpa_depay_chain (GstPad * pad, GstBuffer * buffer);
static void gst_rtp_mpa_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtp_mpa_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_rtp_mpa_depay_change_state (GstElement *
element, GstStateChange transition);
static GstElementClass *parent_class = NULL;
static GType
gst_rtp_mpa_depay_get_type (void)
{
static GType rtpmpadepay_type = 0;
if (!rtpmpadepay_type) {
static const GTypeInfo rtpmpadepay_info = {
sizeof (GstRtpMPADepayClass),
(GBaseInitFunc) gst_rtp_mpa_depay_base_init,
NULL,
(GClassInitFunc) gst_rtp_mpa_depay_class_init,
NULL,
NULL,
sizeof (GstRtpMPADepay),
0,
(GInstanceInitFunc) gst_rtp_mpa_depay_init,
};
rtpmpadepay_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpMPADepay",
&rtpmpadepay_info, 0);
}
return rtpmpadepay_type;
}
static void
gst_rtp_mpa_depay_base_init (GstRtpMPADepayClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_mpa_depay_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_mpa_depay_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_mpadepay_details);
}
static void
gst_rtp_mpa_depay_class_init (GstRtpMPADepayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_rtp_mpa_depay_set_property;
gobject_class->get_property = gst_rtp_mpa_depay_get_property;
gstelement_class->change_state = gst_rtp_mpa_depay_change_state;
}
static void
gst_rtp_mpa_depay_init (GstRtpMPADepay * rtpmpadepay)
{
rtpmpadepay->srcpad =
gst_pad_new_from_static_template (&gst_rtp_mpa_depay_src_template, "src");
gst_element_add_pad (GST_ELEMENT (rtpmpadepay), rtpmpadepay->srcpad);
rtpmpadepay->sinkpad =
gst_pad_new_from_static_template (&gst_rtp_mpa_depay_sink_template,
"sink");
gst_pad_set_chain_function (rtpmpadepay->sinkpad, gst_rtp_mpa_depay_chain);
gst_element_add_pad (GST_ELEMENT (rtpmpadepay), rtpmpadepay->sinkpad);
}
static GstFlowReturn
gst_rtp_mpa_depay_chain (GstPad * pad, GstBuffer * buf)
{
GstRtpMPADepay *rtpmpadepay;
GstBuffer *outbuf;
guint8 pt;
GstFlowReturn ret;
rtpmpadepay = GST_RTP_MPA_DEPAY (GST_OBJECT_PARENT (pad));
if (!gst_rtp_buffer_validate (buf))
goto bad_packet;
if ((pt = gst_rtp_buffer_get_payload_type (buf)) != GST_RTP_PAYLOAD_MPA)
goto bad_payload;
{
gint payload_len;
guint8 *payload;
guint16 frag_offset;
guint32 timestamp;
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
frag_offset = (payload[2] << 8) | payload[3];
/* strip off header
*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | MBZ | Frag_offset |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
payload_len -= 4;
payload += 4;
timestamp = gst_rtp_buffer_get_timestamp (buf);
outbuf = gst_buffer_new_and_alloc (payload_len);
//GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 90000;
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
GST_DEBUG ("gst_rtp_mpa_depay_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
gst_buffer_unref (buf);
/* FIXME, we can push half mpeg frames when they are split over multiple
* RTP packets */
ret = gst_pad_push (rtpmpadepay->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_rtp_mpa_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpMPADepay *rtpmpadepay;
rtpmpadepay = GST_RTP_MPA_DEPAY (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtp_mpa_depay_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstRtpMPADepay *rtpmpadepay;
rtpmpadepay = GST_RTP_MPA_DEPAY (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_rtp_mpa_depay_change_state (GstElement * element, GstStateChange transition)
{
GstRtpMPADepay *rtpmpadepay;
GstStateChangeReturn ret;
rtpmpadepay = GST_RTP_MPA_DEPAY (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;
}
gboolean
gst_rtp_mpa_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpmpadepay",
GST_RANK_NONE, GST_TYPE_RTP_MPA_DEPAY);
}