diff options
author | Wim Taymans <wim.taymans@gmail.com> | 2005-08-18 10:33:15 +0000 |
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committer | Wim Taymans <wim.taymans@gmail.com> | 2005-08-18 10:33:15 +0000 |
commit | 9a5c8cd25ef8fe33fb8b189f88725bfac5c68768 (patch) | |
tree | 8f14b039669348a7bb805c680293f30a4c560828 /gst/rtp/gstrtph263ppay.c | |
parent | a6c633b9ab883eee91c855dbec9a620acbdb944a (diff) |
gst/rtp/: Remove old code that is now in gst-libs/gst/rtp/.
Original commit message from CVS:
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp-common.h:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpL16enc.h:
* gst/rtp/gstrtpdec.c: (gst_rtpdec_get_type),
(gst_rtpdec_class_init), (gst_rtpdec_chain_rtp),
(gst_rtpdec_chain_rtcp), (gst_rtpdec_change_state),
(gst_rtpdec_plugin_init):
* gst/rtp/gstrtph263pdec.c: (gst_rtph263pdec_get_type),
(gst_rtph263pdec_base_init), (gst_rtph263pdec_class_init),
(gst_rtph263pdec_init), (gst_rtph263pdec_chain),
(gst_rtph263pdec_set_property), (gst_rtph263pdec_get_property),
(gst_rtph263pdec_change_state), (gst_rtph263pdec_plugin_init):
* gst/rtp/gstrtph263pdec.h:
* gst/rtp/gstrtph263penc.c: (gst_rtph263penc_get_type),
(gst_rtph263penc_base_init), (gst_rtph263penc_class_init),
(gst_rtph263penc_init), (gst_rtph263penc_flush),
(gst_rtph263penc_chain), (gst_rtph263penc_set_property),
(gst_rtph263penc_get_property), (gst_rtph263penc_change_state),
(gst_rtph263penc_plugin_init):
* gst/rtp/gstrtph263penc.h:
* gst/rtp/gstrtpmpadec.c: (gst_rtpmpadec_get_type),
(gst_rtpmpadec_base_init), (gst_rtpmpadec_class_init),
(gst_rtpmpadec_init), (gst_rtpmpadec_chain),
(gst_rtpmpadec_set_property), (gst_rtpmpadec_get_property),
(gst_rtpmpadec_change_state), (gst_rtpmpadec_plugin_init):
* gst/rtp/gstrtpmpadec.h:
* gst/rtp/gstrtpmpaenc.c: (gst_rtpmpaenc_get_type),
(gst_rtpmpaenc_base_init), (gst_rtpmpaenc_class_init),
(gst_rtpmpaenc_init), (gst_rtpmpaenc_flush), (gst_rtpmpaenc_chain),
(gst_rtpmpaenc_set_property), (gst_rtpmpaenc_get_property),
(gst_rtpmpaenc_change_state), (gst_rtpmpaenc_plugin_init):
* gst/rtp/gstrtpmpaenc.h:
* gst/rtp/rtp-packet.c:
* gst/rtp/rtp-packet.h:
Remove old code that is now in gst-libs/gst/rtp/.
Added some payload/depayloaders.
* gst/udp/gstudpsink.c: (gst_udpsink_class_init):
Fix port number range.
Diffstat (limited to 'gst/rtp/gstrtph263ppay.c')
-rw-r--r-- | gst/rtp/gstrtph263ppay.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/gst/rtp/gstrtph263ppay.c b/gst/rtp/gstrtph263ppay.c new file mode 100644 index 00000000..14c28c03 --- /dev/null +++ b/gst/rtp/gstrtph263ppay.c @@ -0,0 +1,303 @@ +/* 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 "gstrtph263penc.h" + +/* elementfactory information */ +static GstElementDetails gst_rtp_h263penc_details = { + "RTP packet parser", + "Codec/Parser/Network", + "Extracts H263+ video from RTP packets", + "Wim Taymans <wim@fluendo.com>" +}; + +/* RtpH263PEnc signals and args */ +enum +{ + /* FILL ME */ + LAST_SIGNAL +}; + +#define DEFAULT_MTU 1024 + +enum +{ + PROP_0, + PROP_MTU +}; + +static GstStaticPadTemplate gst_rtph263penc_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("video/x-h263") + ); + +static GstStaticPadTemplate gst_rtph263penc_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp") + ); + + +static void gst_rtph263penc_class_init (GstRtpH263PEncClass * klass); +static void gst_rtph263penc_base_init (GstRtpH263PEncClass * klass); +static void gst_rtph263penc_init (GstRtpH263PEnc * rtph263penc); + +static GstFlowReturn gst_rtph263penc_chain (GstPad * pad, GstBuffer * buffer); + +static void gst_rtph263penc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_rtph263penc_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static GstElementStateReturn gst_rtph263penc_change_state (GstElement * + element); + +static GstElementClass *parent_class = NULL; + +static GType +gst_rtph263penc_get_type (void) +{ + static GType rtph263penc_type = 0; + + if (!rtph263penc_type) { + static const GTypeInfo rtph263penc_info = { + sizeof (GstRtpH263PEncClass), + (GBaseInitFunc) gst_rtph263penc_base_init, + NULL, + (GClassInitFunc) gst_rtph263penc_class_init, + NULL, + NULL, + sizeof (GstRtpH263PEnc), + 0, + (GInstanceInitFunc) gst_rtph263penc_init, + }; + + rtph263penc_type = + g_type_register_static (GST_TYPE_ELEMENT, "GstRtpH263PEnc", + &rtph263penc_info, 0); + } + return rtph263penc_type; +} + +static void +gst_rtph263penc_base_init (GstRtpH263PEncClass * klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtph263penc_src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtph263penc_sink_template)); + + gst_element_class_set_details (element_class, &gst_rtp_h263penc_details); +} + +static void +gst_rtph263penc_class_init (GstRtpH263PEncClass * 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_rtph263penc_set_property; + gobject_class->get_property = gst_rtph263penc_get_property; + + g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MTU, + g_param_spec_uint ("mtu", "MTU", + "Maximum size of one packet", + 28, G_MAXUINT, DEFAULT_MTU, G_PARAM_READWRITE)); + + gstelement_class->change_state = gst_rtph263penc_change_state; +} + +static void +gst_rtph263penc_init (GstRtpH263PEnc * rtph263penc) +{ + rtph263penc->srcpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtph263penc_src_template), "src"); + gst_element_add_pad (GST_ELEMENT (rtph263penc), rtph263penc->srcpad); + + rtph263penc->sinkpad = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_rtph263penc_sink_template), "sink"); + gst_pad_set_chain_function (rtph263penc->sinkpad, gst_rtph263penc_chain); + gst_element_add_pad (GST_ELEMENT (rtph263penc), rtph263penc->sinkpad); + + rtph263penc->adapter = gst_adapter_new (); + rtph263penc->mtu = DEFAULT_MTU; +} + +static GstFlowReturn +gst_rtph263penc_flush (GstRtpH263PEnc * rtph263penc) +{ + guint avail; + GstBuffer *outbuf; + GstFlowReturn ret; + gboolean fragmented; + + avail = gst_adapter_available (rtph263penc->adapter); + if (avail == 0) + return GST_FLOW_OK; + + fragmented = FALSE; + + while (avail > 0) { + guint towrite; + guint8 *payload; + guint8 *data; + guint payload_len; + gint header_len; + + /* FIXME, do better mtu packing, header len etc should be + * included in this calculation. */ + towrite = MIN (avail, rtph263penc->mtu); + /* for fragmented frames we need 2 bytes header, for other + * frames we must reuse the first 2 bytes of the data as the + * header */ + header_len = (fragmented ? 2 : 0); + payload_len = header_len + towrite; + + outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0); + gst_rtpbuffer_set_padding (outbuf, 0); + gst_rtpbuffer_set_timestamp (outbuf, + rtph263penc->first_ts * 90000 / GST_SECOND); + gst_rtpbuffer_set_payload_type (outbuf, 0); + /* last fragment gets the marker bit set */ + gst_rtpbuffer_set_marker (outbuf, avail > towrite ? 0 : 1); + + payload = gst_rtpbuffer_get_payload (outbuf); + + data = (guint8 *) gst_adapter_peek (rtph263penc->adapter, towrite); + memcpy (&payload[header_len], data, towrite); + + payload[0] = fragmented ? 0x00 : 0x04; + payload[1] = 0; + + GST_BUFFER_TIMESTAMP (outbuf) = rtph263penc->first_ts; + gst_adapter_flush (rtph263penc->adapter, towrite); + + ret = gst_pad_push (rtph263penc->srcpad, outbuf); + + avail -= towrite; + fragmented = TRUE; + } + + return ret; +} + +static GstFlowReturn +gst_rtph263penc_chain (GstPad * pad, GstBuffer * buffer) +{ + GstRtpH263PEnc *rtph263penc; + GstFlowReturn ret; + guint size; + + rtph263penc = GST_RTP_H263P_ENC (GST_OBJECT_PARENT (pad)); + + size = GST_BUFFER_SIZE (buffer); + rtph263penc->first_ts = GST_BUFFER_TIMESTAMP (buffer); + + /* we always encode and flush a full picture */ + gst_adapter_push (rtph263penc->adapter, buffer); + ret = gst_rtph263penc_flush (rtph263penc); + + return ret; +} + +static void +gst_rtph263penc_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstRtpH263PEnc *rtph263penc; + + rtph263penc = GST_RTP_H263P_ENC (object); + + switch (prop_id) { + case PROP_MTU: + rtph263penc->mtu = g_value_get_uint (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_rtph263penc_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + GstRtpH263PEnc *rtph263penc; + + rtph263penc = GST_RTP_H263P_ENC (object); + + switch (prop_id) { + case PROP_MTU: + g_value_set_uint (value, rtph263penc->mtu); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GstElementStateReturn +gst_rtph263penc_change_state (GstElement * element) +{ + GstRtpH263PEnc *rtph263penc; + gint transition; + GstElementStateReturn ret; + + rtph263penc = GST_RTP_H263P_ENC (element); + transition = GST_STATE_TRANSITION (element); + + switch (transition) { + case GST_STATE_NULL_TO_READY: + break; + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element); + + switch (transition) { + case GST_STATE_READY_TO_NULL: + break; + default: + break; + } + return ret; +} + +gboolean +gst_rtph263penc_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtph263penc", + GST_RANK_NONE, GST_TYPE_RTP_H263P_ENC); +} |