diff options
Diffstat (limited to 'gst/rtp/gstrtpmp4vdec.c')
-rw-r--r-- | gst/rtp/gstrtpmp4vdec.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/gst/rtp/gstrtpmp4vdec.c b/gst/rtp/gstrtpmp4vdec.c deleted file mode 100644 index 60ee390d..00000000 --- a/gst/rtp/gstrtpmp4vdec.c +++ /dev/null @@ -1,330 +0,0 @@ -/* 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 "gstrtpmp4vdec.h" - -/* elementfactory information */ -static GstElementDetails gst_rtp_mp4vdec_details = { - "RTP packet parser", - "Codec/Parser/Network", - "Extracts MPEG4 video from RTP packets (RFC 3016)", - "Wim Taymans <wim@fluendo.com>" -}; - -/* RtpMP4VDec signals and args */ -enum -{ - /* FILL ME */ - LAST_SIGNAL -}; - -enum -{ - ARG_0, - ARG_FREQUENCY -}; - -static GstStaticPadTemplate gst_rtpmp4vdec_src_template = -GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("video/mpeg," - "mpegversion=(int) 4," "systemstream=(boolean)false") - ); - -static GstStaticPadTemplate gst_rtpmp4vdec_sink_template = -GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("application/x-rtp, " - "media = (string) \"video\", " - "payload = (int) [ 96, 255 ], " - "clock-rate = (int) [1, MAX ], " "encoding-name = (string) \"MP4V-ES\"" - /* All optional parameters - * - * "profile-level-id=[1,MAX]" - * "config=" - */ - ) - ); - - -static void gst_rtpmp4vdec_class_init (GstRtpMP4VDecClass * klass); -static void gst_rtpmp4vdec_base_init (GstRtpMP4VDecClass * klass); -static void gst_rtpmp4vdec_init (GstRtpMP4VDec * rtpmp4vdec); - -static gboolean gst_rtpmp4vdec_setcaps (GstPad * pad, GstCaps * caps); -static GstFlowReturn gst_rtpmp4vdec_chain (GstPad * pad, GstBuffer * buffer); - -static void gst_rtpmp4vdec_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_rtpmp4vdec_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); - -static GstStateChangeReturn gst_rtpmp4vdec_change_state (GstElement * element, - GstStateChange transition); - -static GstElementClass *parent_class = NULL; - -static GType -gst_rtpmp4vdec_get_type (void) -{ - static GType rtpmp4vdec_type = 0; - - if (!rtpmp4vdec_type) { - static const GTypeInfo rtpmp4vdec_info = { - sizeof (GstRtpMP4VDecClass), - (GBaseInitFunc) gst_rtpmp4vdec_base_init, - NULL, - (GClassInitFunc) gst_rtpmp4vdec_class_init, - NULL, - NULL, - sizeof (GstRtpMP4VDec), - 0, - (GInstanceInitFunc) gst_rtpmp4vdec_init, - }; - - rtpmp4vdec_type = - g_type_register_static (GST_TYPE_ELEMENT, "GstRtpMP4VDec", - &rtpmp4vdec_info, 0); - } - return rtpmp4vdec_type; -} - -static void -gst_rtpmp4vdec_base_init (GstRtpMP4VDecClass * klass) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_rtpmp4vdec_src_template)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_rtpmp4vdec_sink_template)); - - gst_element_class_set_details (element_class, &gst_rtp_mp4vdec_details); -} - -static void -gst_rtpmp4vdec_class_init (GstRtpMP4VDecClass * 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_rtpmp4vdec_set_property; - gobject_class->get_property = gst_rtpmp4vdec_get_property; - - gstelement_class->change_state = gst_rtpmp4vdec_change_state; -} - -static void -gst_rtpmp4vdec_init (GstRtpMP4VDec * rtpmp4vdec) -{ - rtpmp4vdec->srcpad = - gst_pad_new_from_template (gst_static_pad_template_get - (&gst_rtpmp4vdec_src_template), "src"); - gst_element_add_pad (GST_ELEMENT (rtpmp4vdec), rtpmp4vdec->srcpad); - - rtpmp4vdec->sinkpad = - gst_pad_new_from_template (gst_static_pad_template_get - (&gst_rtpmp4vdec_sink_template), "sink"); - gst_pad_set_setcaps_function (rtpmp4vdec->sinkpad, gst_rtpmp4vdec_setcaps); - gst_pad_set_chain_function (rtpmp4vdec->sinkpad, gst_rtpmp4vdec_chain); - gst_element_add_pad (GST_ELEMENT (rtpmp4vdec), rtpmp4vdec->sinkpad); -} - -static gboolean -gst_rtpmp4vdec_setcaps (GstPad * pad, GstCaps * caps) -{ - GstStructure *structure; - GstRtpMP4VDec *rtpmp4vdec; - GstCaps *srccaps; - const gchar *str; - - rtpmp4vdec = GST_RTP_MP4V_DEC (GST_OBJECT_PARENT (pad)); - - structure = gst_caps_get_structure (caps, 0); - - if (!gst_structure_get_int (structure, "clock-rate", &rtpmp4vdec->rate)) - rtpmp4vdec->rate = 90000; - - srccaps = gst_caps_new_simple ("video/mpeg", - "mpegversion", G_TYPE_INT, 4, - "systemstream", G_TYPE_BOOLEAN, FALSE, NULL); - gst_pad_set_caps (rtpmp4vdec->srcpad, srccaps); - gst_caps_unref (srccaps); - - if ((str = gst_structure_get_string (structure, "config"))) { - GValue v = { 0 }; - - g_value_init (&v, GST_TYPE_BUFFER); - if (gst_value_deserialize (&v, str)) { - GstBuffer *buffer; - - buffer = gst_value_get_buffer (&v); - gst_buffer_ref (buffer); - g_value_unset (&v); - - gst_buffer_set_caps (buffer, GST_PAD_CAPS (rtpmp4vdec->srcpad)); - - gst_pad_push (rtpmp4vdec->srcpad, buffer); - } else { - g_warning ("cannot convert config to buffer"); - } - } - - return TRUE; -} - -static GstFlowReturn -gst_rtpmp4vdec_chain (GstPad * pad, GstBuffer * buf) -{ - GstRtpMP4VDec *rtpmp4vdec; - GstBuffer *outbuf; - GstFlowReturn ret; - - rtpmp4vdec = GST_RTP_MP4V_DEC (gst_pad_get_parent (pad)); - - if (!gst_rtpbuffer_validate (buf)) - goto bad_packet; - - { - 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); - memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len); - - gst_adapter_push (rtpmp4vdec->adapter, outbuf); - - /* if this was the last packet of the VOP, create and push a buffer */ - if (gst_rtpbuffer_get_marker (buf)) { - guint avail; - - avail = gst_adapter_available (rtpmp4vdec->adapter); - - outbuf = gst_buffer_new_and_alloc (avail); - GST_BUFFER_MALLOCDATA (outbuf) = - gst_adapter_take (rtpmp4vdec->adapter, avail); - GST_BUFFER_DATA (outbuf) = GST_BUFFER_MALLOCDATA (outbuf); - gst_buffer_set_caps (outbuf, GST_PAD_CAPS (rtpmp4vdec->srcpad)); - GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / rtpmp4vdec->rate; - - GST_DEBUG ("gst_rtpmp4vdec_chain: pushing buffer of size %d", - GST_BUFFER_SIZE (outbuf)); - - ret = gst_pad_push (rtpmp4vdec->srcpad, outbuf); - } else { - ret = GST_FLOW_OK; - } - gst_buffer_unref (buf); - } - gst_object_unref (rtpmp4vdec); - - return ret; -bad_packet: - { - GST_DEBUG ("Packet did not validate"); - gst_buffer_unref (buf); - gst_object_unref (rtpmp4vdec); - - return GST_FLOW_ERROR; - } -} - -static void -gst_rtpmp4vdec_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstRtpMP4VDec *rtpmp4vdec; - - rtpmp4vdec = GST_RTP_MP4V_DEC (object); - - switch (prop_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_rtpmp4vdec_get_property (GObject * object, guint prop_id, GValue * value, - GParamSpec * pspec) -{ - GstRtpMP4VDec *rtpmp4vdec; - - rtpmp4vdec = GST_RTP_MP4V_DEC (object); - - switch (prop_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static GstStateChangeReturn -gst_rtpmp4vdec_change_state (GstElement * element, GstStateChange transition) -{ - GstRtpMP4VDec *rtpmp4vdec; - GstStateChangeReturn ret; - - rtpmp4vdec = GST_RTP_MP4V_DEC (element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - rtpmp4vdec->adapter = gst_adapter_new (); - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - gst_adapter_clear (rtpmp4vdec->adapter); - break; - default: - break; - } - - ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - - switch (transition) { - case GST_STATE_CHANGE_READY_TO_NULL: - g_object_unref (rtpmp4vdec->adapter); - rtpmp4vdec->adapter = NULL; - break; - default: - break; - } - return ret; -} - -gboolean -gst_rtpmp4vdec_plugin_init (GstPlugin * plugin) -{ - return gst_element_register (plugin, "rtpmp4vdec", - GST_RANK_NONE, GST_TYPE_RTP_MP4V_DEC); -} |