gstreamer/gst/rtp/gstrtph263pdepay.c
Stefan Kost b5af832d7b Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
Original commit message from CVS:
* ext/aalib/gstaasink.c: (gst_aasink_class_init):
* ext/esd/esdsink.c: (gst_esdsink_class_init):
* ext/flac/gstflactag.c: (gst_flac_tag_class_init):
* ext/gdk_pixbuf/gstgdkpixbuf.c: (gst_gdk_pixbuf_class_init):
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_class_init):
* ext/jpeg/gstsmokedec.c: (gst_smokedec_class_init):
* ext/jpeg/gstsmokeenc.c: (gst_smokeenc_class_init):
* ext/libcaca/gstcacasink.c: (gst_cacasink_class_init):
* ext/libmng/gstmngdec.c: (gst_mngdec_class_init):
* ext/libmng/gstmngenc.c: (gst_mngenc_class_init):
* ext/libpng/gstpngdec.c: (gst_pngdec_class_init):
* ext/libpng/gstpngenc.c: (gst_pngenc_class_init):
* ext/mikmod/gstmikmod.c: (gst_mikmod_class_init):
* ext/shout2/gstshout2.c: (gst_shout2send_class_init):
* ext/speex/gstspeexenc.c: (gst_speexenc_class_init):
* gst/alpha/gstalpha.c: (gst_alpha_class_init):
* gst/avi/gstavimux.c: (gst_avimux_class_init):
* gst/debug/efence.c: (gst_efence_class_init):
* gst/debug/negotiation.c: (gst_negotiation_class_init):
* gst/flx/gstflxdec.c: (gst_flxdec_class_init):
* gst/goom/gstgoom.c: (gst_goom_class_init):
* gst/id3demux/gstid3demux.c: (gst_id3demux_class_init):
* gst/interleave/deinterleave.c: (deinterleave_class_init):
* gst/interleave/interleave.c: (interleave_class_init):
* gst/law/alaw-decode.c: (gst_alawdec_class_init):
* gst/law/alaw-encode.c: (gst_alawenc_class_init):
* gst/law/mulaw-encode.c: (gst_mulawenc_class_init):
* gst/median/gstmedian.c: (gst_median_class_init):
* gst/monoscope/gstmonoscope.c: (gst_monoscope_class_init):
* gst/multipart/multipartmux.c: (gst_multipart_mux_class_init):
* gst/rtp/gstasteriskh263.c: (gst_asteriskh263_class_init):
* gst/rtp/gstrtpL16depay.c: (gst_rtp_L16depay_class_init):
* gst/rtp/gstrtpL16pay.c: (gst_rtpL16pay_class_init):
* gst/rtp/gstrtpamrdepay.c: (gst_rtp_amr_depay_class_init):
* gst/rtp/gstrtpamrpay.c: (gst_rtp_amr_pay_class_init):
* gst/rtp/gstrtpdepay.c: (gst_rtp_depay_class_init):
* gst/rtp/gstrtpgsmdepay.c: (gst_rtp_gsm_depay_class_init):
* gst/rtp/gstrtpgsmpay.c: (gst_rtp_gsm_pay_class_init):
* gst/rtp/gstrtph263pay.c: (gst_rtp_h263_pay_class_init):
* gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_class_init):
* gst/rtp/gstrtph263ppay.c: (gst_rtp_h263p_pay_class_init):
* gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_class_init):
* gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_class_init):
* gst/rtp/gstrtpmp4vpay.c: (gst_rtp_mp4v_pay_class_init):
* gst/rtp/gstrtpmpadepay.c: (gst_rtp_mpa_depay_class_init):
* gst/rtp/gstrtpmpapay.c: (gst_rtp_mpa_pay_class_init):
* gst/rtp/gstrtppcmadepay.c: (gst_rtp_pcma_depay_class_init):
* gst/rtp/gstrtppcmapay.c: (gst_rtp_pcma_pay_class_init):
* gst/rtp/gstrtppcmudepay.c: (gst_rtp_pcmu_depay_class_init):
* gst/rtp/gstrtppcmupay.c: (gst_rtp_pcmu_pay_class_init):
* gst/rtp/gstrtpspeexdepay.c: (gst_rtp_speex_depay_class_init):
* gst/rtp/gstrtpspeexpay.c: (gst_rtp_speex_pay_class_init):
* gst/rtsp/gstrtpdec.c: (gst_rtpdec_class_init):
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_class_init):
* gst/smpte/gstsmpte.c: (gst_smpte_class_init):
* gst/udp/gstdynudpsink.c: (gst_dynudpsink_class_init):
* gst/udp/gstmultiudpsink.c: (gst_multiudpsink_class_init):
* gst/udp/gstudpsink.c: (gst_udpsink_class_init):
* gst/videomixer/videomixer.c: (gst_videomixer_class_init):
* gst/wavenc/gstwavenc.c: (gst_wavenc_class_init):
* sys/oss/gstossdmabuffer.c: (gst_ossdmabuffer_class_init):
* sys/oss/gstosssink.c: (gst_oss_sink_class_init):
* sys/osxaudio/gstosxaudioelement.c:
(gst_osxaudioelement_class_init):
* sys/osxaudio/gstosxaudiosink.c: (gst_osxaudiosink_class_init):
* sys/osxaudio/gstosxaudiosrc.c: (gst_osxaudiosrc_class_init):
* sys/sunaudio/gstsunaudiosink.c: (gst_sunaudiosink_class_init):
Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
2006-04-08 21:21:45 +00:00

335 lines
8.4 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 <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "gstrtph263pdepay.h"
/* elementfactory information */
static GstElementDetails gst_rtp_h263pdepay_details =
GST_ELEMENT_DETAILS ("RTP packet parser",
"Codec/Depayr/Network",
"Extracts H263+ video from RTP packets (RFC 2429)",
"Wim Taymans <wim@fluendo.com>");
/* RtpH263PDepay signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_FREQUENCY
};
static GstStaticPadTemplate gst_rtp_h263p_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-h263")
);
static GstStaticPadTemplate gst_rtp_h263p_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"video\", "
"clock-rate = (int) 90000, " "encoding-name = (string) \"H263-1998\"")
);
GST_BOILERPLATE (GstRtpH263PDepay, gst_rtp_h263p_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
static void gst_rtp_h263p_depay_finalize (GObject * object);
static void gst_rtp_h263p_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtp_h263p_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_rtp_h263p_depay_change_state (GstElement *
element, GstStateChange transition);
static GstBuffer *gst_rtp_h263p_depay_process (GstBaseRTPDepayload * depayload,
GstBuffer * buf);
gboolean gst_rtp_h263p_depay_setcaps (GstBaseRTPDepayload * filter,
GstCaps * caps);
static void
gst_rtp_h263p_depay_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_h263p_depay_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_h263p_depay_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_h263pdepay_details);
}
static void
gst_rtp_h263p_depay_class_init (GstRtpH263PDepayClass * 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_peek_parent (klass);
gstbasertpdepayload_class->process = gst_rtp_h263p_depay_process;
gstbasertpdepayload_class->set_caps = gst_rtp_h263p_depay_setcaps;
gobject_class->finalize = gst_rtp_h263p_depay_finalize;
gobject_class->set_property = gst_rtp_h263p_depay_set_property;
gobject_class->get_property = gst_rtp_h263p_depay_get_property;
gstelement_class->change_state = gst_rtp_h263p_depay_change_state;
}
static void
gst_rtp_h263p_depay_init (GstRtpH263PDepay * rtph263pdepay,
GstRtpH263PDepayClass * klass)
{
rtph263pdepay->adapter = gst_adapter_new ();
}
static void
gst_rtp_h263p_depay_finalize (GObject * object)
{
GstRtpH263PDepay *rtph263pdepay;
rtph263pdepay = GST_RTP_H263P_DEPAY (object);
g_object_unref (rtph263pdepay->adapter);
rtph263pdepay->adapter = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
// only on the sink
gboolean
gst_rtp_h263p_depay_setcaps (GstBaseRTPDepayload * filter, GstCaps * caps)
{
GstStructure *structure = gst_caps_get_structure (caps, 0);
gint clock_rate = 90000; // default
if (gst_structure_has_field (structure, "clock-rate")) {
gst_structure_get_int (structure, "clock-rate", &clock_rate);
}
filter->clock_rate = clock_rate;
return TRUE;
}
static GstBuffer *
gst_rtp_h263p_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
{
GstRtpH263PDepay *rtph263pdepay;
GstBuffer *outbuf;
/* GstRTPPayload pt; */
rtph263pdepay = GST_RTP_H263P_DEPAY (depayload);
if (!gst_rtp_buffer_validate (buf))
goto bad_packet;
/*
if ((pt = gst_rtp_buffer_get_payload_type (buf)) != 0)
goto bad_payload;
*/
{
gint payload_len;
guint8 *payload;
gboolean P, V, M;
guint32 timestamp;
guint header_len;
guint8 PLEN;
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
header_len = 2;
M = gst_rtp_buffer_get_marker (buf);
P = (payload[0] & 0x04) == 0x04;
V = (payload[0] & 0x02) == 0x02;
PLEN = ((payload[0] & 0x1) << 5) | (payload[1] >> 3);
if (V) {
header_len++;
}
if (PLEN) {
header_len += PLEN;
}
if (P) {
header_len -= 2;
payload[header_len] = 0;
payload[header_len + 1] = 0;
}
/* strip off header */
payload += header_len;
payload_len -= header_len;
timestamp = gst_rtp_buffer_get_timestamp (buf);
if (M) {
/* frame is completed: append to previous, push it out */
guint len;
guint avail;
guint8 *data;
avail = gst_adapter_available (rtph263pdepay->adapter);
len = avail + payload_len;
outbuf = gst_buffer_new_and_alloc (len + (len % 4) + 4);
memset (GST_BUFFER_DATA (outbuf) + len, 0, (len % 4) + 4);
GST_BUFFER_SIZE (outbuf) = len;
/* prepend previous data */
if (avail > 0) {
data = (guint8 *) gst_adapter_peek (rtph263pdepay->adapter, avail);
memcpy (GST_BUFFER_DATA (outbuf), data, avail);
gst_adapter_flush (rtph263pdepay->adapter, avail);
}
memcpy (GST_BUFFER_DATA (outbuf) + avail, payload, payload_len);
GST_BUFFER_TIMESTAMP (outbuf) =
timestamp * GST_SECOND / depayload->clock_rate;
gst_buffer_set_caps (outbuf,
(GstCaps *) gst_pad_get_pad_template_caps (depayload->srcpad));
return outbuf;
} else {
/* frame not completed: store in adapter */
outbuf = gst_buffer_new_and_alloc (payload_len);
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
gst_adapter_push (rtph263pdepay->adapter, outbuf);
}
}
return NULL;
bad_packet:
{
GST_ELEMENT_WARNING (rtph263pdepay, STREAM, DECODE,
("Packet did not validate"), (NULL));
return NULL;
}
/*
bad_payload:
{
GST_DEBUG ("Unexpected payload type %u", pt);
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
*/
}
static void
gst_rtp_h263p_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpH263PDepay *rtph263pdepay;
rtph263pdepay = GST_RTP_H263P_DEPAY (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtp_h263p_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRtpH263PDepay *rtph263pdepay;
rtph263pdepay = GST_RTP_H263P_DEPAY (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_rtp_h263p_depay_change_state (GstElement * element,
GstStateChange transition)
{
GstRtpH263PDepay *rtph263pdepay;
GstStateChangeReturn ret;
rtph263pdepay = GST_RTP_H263P_DEPAY (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_adapter_clear (rtph263pdepay->adapter);
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_h263p_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtph263pdepay",
GST_RANK_NONE, GST_TYPE_RTP_H263P_DEPAY);
}