[MOVED FROM GST-P-FARSIGHT] Import from CVS to darcs
This commit is contained in:
Philipe Kalaf
Olivier Crête
parent
855789c37f
commit
b6350f6f5a
0
ext/mimic/.git-darcs-dir
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0
ext/mimic/.git-darcs-dir
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9
ext/mimic/Makefile.am
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9
ext/mimic/Makefile.am
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plugin_LTLIBRARIES = libgstmimic.la
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libgstmimic_la_SOURCES = gstmimic.c gstmimdec.c gstmimenc.c
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libgstmimic_la_CFLAGS = $(GST_CFLAGS) $(MIMIC_CFLAGS) $(GST_BASE_CFLAGS)
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libgstmimic_la_LIBADD = $(GST_LIBS) $(MIMIC_LIBS)
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libgstmimic_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_BASE_LIBS)
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noinst_HEADERS = gstmimdec.h gstmimenc.h
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346
ext/mimic/gstmimdec.c
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346
ext/mimic/gstmimdec.c
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/*
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* GStreamer
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* Copyright (c) 2005 INdT.
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* @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
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* @author Rob Taylor <robtaylor@fastmail.fm>
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* @author Philippe Khalaf <burger@speedy.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include "gstmimdec.h"
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GST_DEBUG_CATEGORY (mimdec_debug);
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#define GST_CAT_DEFAULT (mimdec_debug)
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static GstStaticPadTemplate sink_factory =
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GST_STATIC_PAD_TEMPLATE (
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"sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-msnwebcam")
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);
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static GstStaticPadTemplate src_factory =
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GST_STATIC_PAD_TEMPLATE (
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-rgb, "
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"bpp = (int) 24, "
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"depth = (int) 24, "
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"endianness = (int) 4321, "
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"framerate = (double) [1.0, 30.0], "
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"red_mask = (int) 16711680, "
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"green_mask = (int) 65280, "
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"blue_mask = (int) 255, "
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"height = (int) [16, 4096], "
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"width = (int) [16, 4096]"
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)
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);
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static void gst_mimdec_class_init (GstMimDecClass *klass);
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static void gst_mimdec_base_init (GstMimDecClass *klass);
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static void gst_mimdec_init (GstMimDec *mimdec);
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static void gst_mimdec_dispose (GObject *object);
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static GstFlowReturn gst_mimdec_chain (GstPad *pad,
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GstBuffer *in);
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static GstCaps *gst_mimdec_src_getcaps (GstPad *pad);
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#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
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static GstElementStateReturn
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gst_mimdec_change_state (GstElement *element);
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#else
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static GstStateChangeReturn
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gst_mimdec_change_state (GstElement *element,
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GstStateChange transition);
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#endif
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static GstElementClass *parent_class = NULL;
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GType
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gst_gst_mimdec_get_type (void)
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{
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static GType plugin_type = 0;
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if (!plugin_type)
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{
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static const GTypeInfo plugin_info =
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{
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sizeof (GstMimDecClass),
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(GBaseInitFunc) gst_mimdec_base_init,
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NULL,
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(GClassInitFunc) gst_mimdec_class_init,
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NULL,
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NULL,
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sizeof (GstMimDec),
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0,
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(GInstanceInitFunc) gst_mimdec_init,
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};
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plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
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"GstMimDec",
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&plugin_info, 0);
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}
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return plugin_type;
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}
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static void
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gst_mimdec_base_init (GstMimDecClass *klass)
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{
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static GstElementDetails plugin_details = {
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"MimDec",
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"Codec/Decoder/Video",
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"Mimic decoder",
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"Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>"
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};
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_factory));
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gst_element_class_set_details (element_class, &plugin_details);
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}
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static void
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gst_mimdec_class_init (GstMimDecClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*) klass;
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gstelement_class = (GstElementClass*) klass;
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gstelement_class->change_state = gst_mimdec_change_state;
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gobject_class->dispose = gst_mimdec_dispose;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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GST_DEBUG_CATEGORY_INIT (mimdec_debug, "mimdec", 0, "Mimic decoder plugin");
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}
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static void
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gst_mimdec_init (GstMimDec *mimdec)
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{
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mimdec->sinkpad = gst_pad_new_from_template (
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gst_static_pad_template_get (&sink_factory), "sink");
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gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->sinkpad);
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gst_pad_set_chain_function (mimdec->sinkpad, gst_mimdec_chain);
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mimdec->srcpad = gst_pad_new_from_template (
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gst_static_pad_template_get (&src_factory), "src");
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gst_pad_set_getcaps_function (mimdec->srcpad, gst_mimdec_src_getcaps);
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gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->srcpad);
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mimdec->adapter = gst_adapter_new ();
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mimdec->dec = NULL;
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mimdec->buffer_size = -1;
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mimdec->have_header = FALSE;
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mimdec->payload_size = -1;
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}
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static void
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gst_mimdec_dispose (GObject *object)
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{
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GstMimDec *mimdec = GST_MIMDEC (object);
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gst_adapter_clear (mimdec->adapter);
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g_object_unref (mimdec->adapter);
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}
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static GstFlowReturn
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gst_mimdec_chain (GstPad *pad, GstBuffer *in)
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{
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GstMimDec *mimdec;
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GstBuffer *out_buf, *buf;
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guchar *header, *frame_body;
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guint32 fourcc;
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guint16 header_size;
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gint width, height;
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GstCaps *caps;
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g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
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mimdec = GST_MIMDEC (GST_OBJECT_PARENT (pad));
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g_return_val_if_fail (GST_IS_MIMDEC (mimdec), GST_FLOW_ERROR);
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g_return_val_if_fail(GST_PAD_IS_LINKED(mimdec->srcpad), GST_FLOW_ERROR);
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buf = GST_BUFFER (in);
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gst_adapter_push (mimdec->adapter, buf);
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// do we have enough bytes to read a header
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while (gst_adapter_available (mimdec->adapter) >= (mimdec->have_header ? mimdec->payload_size : 24)) {
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if (!mimdec->have_header) {
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header = (guchar *) gst_adapter_peek (mimdec->adapter, 24);
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header_size = GUINT16_FROM_LE (*(guint16 *) (header + 0));
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if (header_size != 24) {
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GST_WARNING ("invalid frame: header size %d incorrect", header_size);
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gst_adapter_flush (mimdec->adapter, 24);
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return GST_FLOW_ERROR;
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}
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fourcc = GST_MAKE_FOURCC ('M', 'L', '2', '0');
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if (GUINT32_FROM_LE (*((guint32 *) (header + 12))) != fourcc) {
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GST_WARNING ("invalid frame: unknown FOURCC code %d", fourcc);
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gst_adapter_flush (mimdec->adapter, 24);
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return GST_FLOW_ERROR;
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}
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mimdec->payload_size = GUINT32_FROM_LE (*((guint32 *) (header + 8)));
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GST_DEBUG ("Got packet, payload size %d", mimdec->payload_size);
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gst_adapter_flush (mimdec->adapter, 24);
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mimdec->have_header = TRUE;
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}
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if (gst_adapter_available (mimdec->adapter) < mimdec->payload_size)
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{
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return GST_FLOW_OK;
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}
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frame_body = (guchar *) gst_adapter_peek (mimdec->adapter, mimdec->payload_size);
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if (mimdec->dec == NULL) {
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mimdec->dec = mimic_open ();
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if (mimdec->dec == NULL) {
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GST_WARNING ("mimic_open error\n");
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gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
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mimdec->have_header = FALSE;
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return GST_FLOW_ERROR;
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}
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if (!mimic_decoder_init (mimdec->dec, frame_body)) {
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GST_WARNING ("mimic_decoder_init error\n");
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mimic_close (mimdec->dec);
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mimdec->dec = NULL;
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gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
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mimdec->have_header = FALSE;
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return GST_FLOW_ERROR;
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}
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if (!mimic_get_property (mimdec->dec, "buffer_size", &mimdec->buffer_size)) {
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GST_WARNING ("mimic_get_property('buffer_size') error\n");
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mimic_close (mimdec->dec);
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mimdec->dec = NULL;
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gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
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mimdec->have_header = FALSE;
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return GST_FLOW_ERROR;
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}
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}
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out_buf = gst_buffer_new_and_alloc (mimdec->buffer_size);
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GST_BUFFER_TIMESTAMP(out_buf) = GST_BUFFER_TIMESTAMP(buf);
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if (!mimic_decode_frame (mimdec->dec, frame_body, GST_BUFFER_DATA (out_buf))) {
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GST_WARNING ("mimic_decode_frame error\n");
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gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
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mimdec->have_header = FALSE;
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gst_buffer_unref (out_buf);
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return GST_FLOW_ERROR;
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}
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mimic_get_property(mimdec->dec, "width", &width);
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mimic_get_property(mimdec->dec, "height", &height);
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GST_DEBUG ("got WxH %d x %d payload size %d buffer_size %d", width, height, mimdec->payload_size, mimdec->buffer_size);
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caps = gst_caps_new_simple ("video/x-raw-rgb",
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"bpp", G_TYPE_INT, 24,
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"depth", G_TYPE_INT, 24,
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"endianness", G_TYPE_INT, 4321,
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"framerate", G_TYPE_DOUBLE, 30.0,
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"red_mask", G_TYPE_INT, 16711680,
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"green_mask", G_TYPE_INT, 65280,
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"blue_mask", G_TYPE_INT, 255,
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"width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height, NULL);
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// gst_pad_set_caps (mimdec->srcpad, caps);
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gst_buffer_set_caps (out_buf, caps);
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gst_caps_unref (caps);
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gst_pad_push (mimdec->srcpad, out_buf);
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gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
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mimdec->have_header = FALSE;
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return GST_FLOW_OK;
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}
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return GST_FLOW_OK;
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}
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#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
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static GstElementStateReturn
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gst_mimdec_change_state (GstElement *element)
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{
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GstMimDec *mimdec;
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switch (GST_STATE_TRANSITION (element)) {
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case GST_STATE_READY_TO_NULL:
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#else
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static GstStateChangeReturn
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gst_mimdec_change_state (GstElement *element, GstStateChange transition)
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{
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GstMimDec *mimdec;
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_NULL:
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#endif
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mimdec = GST_MIMDEC (element);
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if (mimdec->dec != NULL) {
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mimic_close (mimdec->dec);
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mimdec->dec = NULL;
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mimdec->buffer_size = -1;
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mimdec->have_header = FALSE;
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mimdec->payload_size = -1;
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}
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break;
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default:
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break;
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}
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#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
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return GST_ELEMENT_CLASS (parent_class)->change_state (element);
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#else
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return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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#endif
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}
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static GstCaps *
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gst_mimdec_src_getcaps (GstPad *pad)
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{
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GstCaps *caps;
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GST_LOCK (pad);
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if (!(caps = GST_PAD_CAPS (pad)))
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caps = (GstCaps *) gst_pad_get_pad_template_caps (pad);
|
||||||
|
caps = gst_caps_ref (caps);
|
||||||
|
GST_UNLOCK (pad);
|
||||||
|
|
||||||
|
return caps;
|
||||||
|
}
|
||||||
69
ext/mimic/gstmimdec.h
Normal file
69
ext/mimic/gstmimdec.h
Normal file
@ -0,0 +1,69 @@
|
|||||||
|
/*
|
||||||
|
* GStreamer
|
||||||
|
* Copyright (c) 2005 INdT.
|
||||||
|
* @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
|
||||||
|
* @author Philippe Khalaf <burger@speedy.org>
|
||||||
|
*
|
||||||
|
* 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 details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_MIMDEC_H__
|
||||||
|
#define __GST_MIMDEC_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/base/gstadapter.h>
|
||||||
|
#include <mimic.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_MIMDEC \
|
||||||
|
(gst_gst_mimdec_get_type())
|
||||||
|
#define GST_MIMDEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MIMDEC,GstMimDec))
|
||||||
|
#define GST_MIMDEC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MIMDEC,GstMimDec))
|
||||||
|
#define GST_IS_MIMDEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MIMDEC))
|
||||||
|
#define GST_IS_MIMDEC_CLASS(obj) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MIMDEC))
|
||||||
|
|
||||||
|
typedef struct _GstMimDec GstMimDec;
|
||||||
|
typedef struct _GstMimDecClass GstMimDecClass;
|
||||||
|
|
||||||
|
struct _GstMimDec
|
||||||
|
{
|
||||||
|
GstElement element;
|
||||||
|
|
||||||
|
GstPad *sinkpad, *srcpad;
|
||||||
|
GstAdapter *adapter;
|
||||||
|
|
||||||
|
MimCtx *dec;
|
||||||
|
|
||||||
|
gint buffer_size;
|
||||||
|
gboolean have_header;
|
||||||
|
guint32 payload_size;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstMimDecClass
|
||||||
|
{
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_gst_mimdec_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_MIMDEC_H__ */
|
||||||
416
ext/mimic/gstmimenc.c
Normal file
416
ext/mimic/gstmimenc.c
Normal file
@ -0,0 +1,416 @@
|
|||||||
|
/*
|
||||||
|
* GStreamer
|
||||||
|
* Copyright (c) 2005 INdT.
|
||||||
|
* @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
|
||||||
|
* @author Philippe Khalaf <burger@speedy.org>
|
||||||
|
*
|
||||||
|
* 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 details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
|
||||||
|
#include "gstmimenc.h"
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY (mimenc_debug);
|
||||||
|
#define GST_CAT_DEFAULT (mimenc_debug)
|
||||||
|
|
||||||
|
#define MAX_INTERFRAMES 15
|
||||||
|
|
||||||
|
static GstStaticPadTemplate sink_factory =
|
||||||
|
GST_STATIC_PAD_TEMPLATE (
|
||||||
|
"sink",
|
||||||
|
GST_PAD_SINK,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS (
|
||||||
|
"video/x-raw-rgb, "
|
||||||
|
"bpp = (int) 24, "
|
||||||
|
"depth = (int) 24, "
|
||||||
|
"endianness = (int) 4321, "
|
||||||
|
"framerate = (double) [1.0, 30.0], "
|
||||||
|
"red_mask = (int) 16711680, "
|
||||||
|
"green_mask = (int) 65280, "
|
||||||
|
"blue_mask = (int) 255, "
|
||||||
|
"width = (int) 320, "
|
||||||
|
"height = (int) 240"
|
||||||
|
";video/x-raw-rgb, "
|
||||||
|
"bpp = (int) 24, "
|
||||||
|
"depth = (int) 24, "
|
||||||
|
"endianness = (int) 4321, "
|
||||||
|
"framerate = (double) [1.0, 30.0], "
|
||||||
|
"red_mask = (int) 16711680, "
|
||||||
|
"green_mask = (int) 65280, "
|
||||||
|
"blue_mask = (int) 255, "
|
||||||
|
"width = (int) 160, "
|
||||||
|
"height = (int) 120"
|
||||||
|
)
|
||||||
|
);
|
||||||
|
|
||||||
|
static GstStaticPadTemplate src_factory =
|
||||||
|
GST_STATIC_PAD_TEMPLATE (
|
||||||
|
"src",
|
||||||
|
GST_PAD_SRC,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS ("video/x-msnwebcam")
|
||||||
|
);
|
||||||
|
|
||||||
|
/* props */
|
||||||
|
// FIXME remove or fix
|
||||||
|
/*
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
ARG_0,
|
||||||
|
ARG_RESOLUTION
|
||||||
|
};
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void gst_mimenc_class_init (GstMimEncClass *klass);
|
||||||
|
static void gst_mimenc_base_init (GstMimEncClass *klass);
|
||||||
|
static void gst_mimenc_init (GstMimEnc *mimenc);
|
||||||
|
|
||||||
|
// FIXME remove or fix
|
||||||
|
/*
|
||||||
|
static void gst_mimenc_set_property (GObject *object,
|
||||||
|
guint prop_id,
|
||||||
|
const GValue *value,
|
||||||
|
GParamSpec *spec);
|
||||||
|
static void gst_mimenc_get_property (GObject *object,
|
||||||
|
guint prop_id,
|
||||||
|
GValue *value,
|
||||||
|
GParamSpec *spec);
|
||||||
|
*/
|
||||||
|
|
||||||
|
static gboolean gst_mimenc_setcaps (GstPad *pad,
|
||||||
|
GstCaps *caps);
|
||||||
|
static GstFlowReturn gst_mimenc_chain (GstPad *pad,
|
||||||
|
GstBuffer *in);
|
||||||
|
static GstBuffer* gst_mimenc_create_tcp_header (GstMimEnc *mimenc,
|
||||||
|
gint payload_size);
|
||||||
|
|
||||||
|
#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
|
||||||
|
static GstElementStateReturn
|
||||||
|
gst_mimenc_change_state (GstElement *element);
|
||||||
|
#else
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_mimenc_change_state (GstElement *element,
|
||||||
|
GstStateChange transition);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
static GstElementClass *parent_class = NULL;
|
||||||
|
|
||||||
|
GType
|
||||||
|
gst_gst_mimenc_get_type (void)
|
||||||
|
{
|
||||||
|
static GType plugin_type = 0;
|
||||||
|
|
||||||
|
if (!plugin_type)
|
||||||
|
{
|
||||||
|
static const GTypeInfo plugin_info =
|
||||||
|
{
|
||||||
|
sizeof (GstMimEncClass),
|
||||||
|
(GBaseInitFunc) gst_mimenc_base_init,
|
||||||
|
NULL,
|
||||||
|
(GClassInitFunc) gst_mimenc_class_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
sizeof (GstMimEnc),
|
||||||
|
0,
|
||||||
|
(GInstanceInitFunc) gst_mimenc_init,
|
||||||
|
};
|
||||||
|
plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
|
||||||
|
"GstMimEnc",
|
||||||
|
&plugin_info, 0);
|
||||||
|
}
|
||||||
|
return plugin_type;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_mimenc_base_init (GstMimEncClass *klass)
|
||||||
|
{
|
||||||
|
static GstElementDetails plugin_details = {
|
||||||
|
"MimEnc",
|
||||||
|
"Codec/Encoder/Video",
|
||||||
|
"Mimic encoder",
|
||||||
|
"Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>"
|
||||||
|
};
|
||||||
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&src_factory));
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&sink_factory));
|
||||||
|
gst_element_class_set_details (element_class, &plugin_details);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_mimenc_class_init (GstMimEncClass *klass)
|
||||||
|
{
|
||||||
|
GObjectClass *gobject_class;
|
||||||
|
GstElementClass *gstelement_class;
|
||||||
|
|
||||||
|
gobject_class = (GObjectClass*) klass;
|
||||||
|
gstelement_class = (GstElementClass*) klass;
|
||||||
|
gstelement_class->change_state = gst_mimenc_change_state;
|
||||||
|
|
||||||
|
/*
|
||||||
|
gobject_class->set_property = gst_mimenc_set_property;
|
||||||
|
gobject_class->get_property = gst_mimenc_get_property;
|
||||||
|
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RESOLUTION,
|
||||||
|
g_param_spec_uint ("resolution", "Input resolution",
|
||||||
|
"The input resolution (1 = 320x240 default) (2 = 160x120)",
|
||||||
|
0, G_MAXUINT16, 0, G_PARAM_READWRITE));
|
||||||
|
*/
|
||||||
|
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_INIT (mimenc_debug, "mimenc", 0, "Mimic encoder plugin");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_mimenc_init (GstMimEnc *mimenc)
|
||||||
|
{
|
||||||
|
mimenc->sinkpad = gst_pad_new_from_template (
|
||||||
|
gst_static_pad_template_get (&sink_factory), "sink");
|
||||||
|
gst_element_add_pad (GST_ELEMENT (mimenc), mimenc->sinkpad);
|
||||||
|
gst_pad_set_setcaps_function (mimenc->sinkpad, gst_mimenc_setcaps);
|
||||||
|
gst_pad_set_chain_function (mimenc->sinkpad, gst_mimenc_chain);
|
||||||
|
|
||||||
|
mimenc->srcpad = gst_pad_new_from_template (
|
||||||
|
gst_static_pad_template_get (&src_factory), "src");
|
||||||
|
gst_element_add_pad (GST_ELEMENT (mimenc), mimenc->srcpad);
|
||||||
|
|
||||||
|
mimenc->enc = NULL;
|
||||||
|
|
||||||
|
// TODO property to set resolution
|
||||||
|
mimenc->res = MIMIC_RES_HIGH;
|
||||||
|
mimenc->buffer_size = -1;
|
||||||
|
mimenc->width = 0;
|
||||||
|
mimenc->height = 0;
|
||||||
|
mimenc->frames = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_mimenc_setcaps (GstPad *pad, GstCaps *caps)
|
||||||
|
{
|
||||||
|
GstMimEnc *filter;
|
||||||
|
GstStructure *structure;
|
||||||
|
int ret, height, width;
|
||||||
|
|
||||||
|
filter = GST_MIMENC (gst_pad_get_parent (pad));
|
||||||
|
g_return_val_if_fail (filter != NULL, FALSE);
|
||||||
|
g_return_val_if_fail (GST_IS_MIMENC (filter), FALSE);
|
||||||
|
|
||||||
|
structure = gst_caps_get_structure( caps, 0 );
|
||||||
|
ret = gst_structure_get_int( structure, "width", &width );
|
||||||
|
ret = gst_structure_get_int( structure, "height", &height );
|
||||||
|
filter->width = (guint16)width;
|
||||||
|
filter->height = (guint16)height;
|
||||||
|
filter->res = (width == 320) ? MIMIC_RES_HIGH : MIMIC_RES_LOW;
|
||||||
|
GST_DEBUG ("Got info from caps w : %d, h : %d", filter->width, filter->height);
|
||||||
|
if (!ret) {
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_mimenc_chain (GstPad *pad, GstBuffer *in)
|
||||||
|
{
|
||||||
|
GstMimEnc *mimenc;
|
||||||
|
GstBuffer *out_buf, *buf;
|
||||||
|
guchar *data;
|
||||||
|
gint buffer_size;
|
||||||
|
GstBuffer * header = NULL;
|
||||||
|
|
||||||
|
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
|
||||||
|
mimenc = GST_MIMENC (GST_OBJECT_PARENT (pad));
|
||||||
|
|
||||||
|
g_return_val_if_fail (GST_IS_MIMENC (mimenc), GST_FLOW_ERROR);
|
||||||
|
g_return_val_if_fail (GST_PAD_IS_LINKED (mimenc->srcpad), GST_FLOW_ERROR);
|
||||||
|
|
||||||
|
if (mimenc->enc == NULL) {
|
||||||
|
mimenc->enc = mimic_open ();
|
||||||
|
if (mimenc->enc == NULL) {
|
||||||
|
GST_WARNING ("mimic_open error\n");
|
||||||
|
return GST_FLOW_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!mimic_encoder_init (mimenc->enc, mimenc->res)) {
|
||||||
|
GST_WARNING ("mimic_encoder_init error\n");
|
||||||
|
mimic_close (mimenc->enc);
|
||||||
|
mimenc->enc = NULL;
|
||||||
|
return GST_FLOW_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!mimic_get_property (mimenc->enc, "buffer_size", &mimenc->buffer_size)) {
|
||||||
|
GST_WARNING ("mimic_get_property('buffer_size') error\n");
|
||||||
|
mimic_close (mimenc->enc);
|
||||||
|
mimenc->enc = NULL;
|
||||||
|
return GST_FLOW_ERROR;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
buf = in;
|
||||||
|
data = GST_BUFFER_DATA (buf);
|
||||||
|
|
||||||
|
out_buf = gst_buffer_new_and_alloc (mimenc->buffer_size);
|
||||||
|
GST_BUFFER_TIMESTAMP(out_buf) = GST_BUFFER_TIMESTAMP(buf);
|
||||||
|
buffer_size = mimenc->buffer_size;
|
||||||
|
if (!mimic_encode_frame (mimenc->enc, data, GST_BUFFER_DATA (out_buf),
|
||||||
|
&buffer_size, ((mimenc->frames % MAX_INTERFRAMES) == 0 ? TRUE : FALSE))) {
|
||||||
|
GST_WARNING ("mimic_encode_frame error\n");
|
||||||
|
gst_buffer_unref (out_buf);
|
||||||
|
gst_buffer_unref (buf);
|
||||||
|
return GST_FLOW_ERROR;
|
||||||
|
}
|
||||||
|
GST_BUFFER_SIZE (out_buf) = buffer_size;
|
||||||
|
|
||||||
|
GST_DEBUG ("incoming buf size %d, encoded size %d", GST_BUFFER_SIZE(buf), GST_BUFFER_SIZE(out_buf));
|
||||||
|
++mimenc->frames;
|
||||||
|
|
||||||
|
// now let's create that tcp header
|
||||||
|
header = gst_mimenc_create_tcp_header (mimenc, buffer_size);
|
||||||
|
|
||||||
|
if (header)
|
||||||
|
{
|
||||||
|
gst_pad_push (mimenc->srcpad, header);
|
||||||
|
gst_pad_push (mimenc->srcpad, out_buf);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
GST_DEBUG("header not created succesfully");
|
||||||
|
return GST_FLOW_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_buffer_unref (buf);
|
||||||
|
|
||||||
|
return GST_FLOW_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstBuffer*
|
||||||
|
gst_mimenc_create_tcp_header (GstMimEnc *mimenc, gint payload_size)
|
||||||
|
{
|
||||||
|
// 24 bytes
|
||||||
|
GstBuffer *buf_header = gst_buffer_new_and_alloc (24);
|
||||||
|
guchar *p = (guchar *) GST_BUFFER_DATA(buf_header);
|
||||||
|
|
||||||
|
p[0] = 24;
|
||||||
|
*((guchar *) (p + 1)) = 0;
|
||||||
|
*((guint16 *) (p + 2)) = GUINT16_TO_LE(mimenc->width);
|
||||||
|
*((guint16 *) (p + 4)) = GUINT16_TO_LE(mimenc->height);
|
||||||
|
*((guint16 *) (p + 6)) = 0;
|
||||||
|
*((guint32 *) (p + 8)) = GUINT32_TO_LE(payload_size);
|
||||||
|
*((guint32 *) (p + 12)) = GUINT32_TO_LE(GST_MAKE_FOURCC ('M', 'L', '2', '0'));
|
||||||
|
*((guint32 *) (p + 16)) = 0;
|
||||||
|
*((guint32 *) (p + 20)) = 0;
|
||||||
|
|
||||||
|
return buf_header;
|
||||||
|
}
|
||||||
|
|
||||||
|
#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
|
||||||
|
static GstElementStateReturn
|
||||||
|
gst_mimenc_change_state (GstElement * element)
|
||||||
|
{
|
||||||
|
GstMimEnc *mimenc;
|
||||||
|
|
||||||
|
switch (GST_STATE_TRANSITION (element)) {
|
||||||
|
case GST_STATE_READY_TO_NULL:
|
||||||
|
#else
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_mimenc_change_state (GstElement * element, GstStateChange transition)
|
||||||
|
{
|
||||||
|
GstMimEnc *mimenc;
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||||
|
#endif
|
||||||
|
mimenc = GST_MIMENC (element);
|
||||||
|
if (mimenc->enc != NULL) {
|
||||||
|
mimic_close (mimenc->enc);
|
||||||
|
mimenc->enc = NULL;
|
||||||
|
mimenc->buffer_size = -1;
|
||||||
|
mimenc->frames = 0;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
|
||||||
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
||||||
|
#else
|
||||||
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
// FIXME remove or fix
|
||||||
|
/*
|
||||||
|
static void
|
||||||
|
gst_mimenc_set_property (GObject *object,
|
||||||
|
guint prop_id,
|
||||||
|
const GValue *value,
|
||||||
|
GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
GstMimEnc *mimenc;
|
||||||
|
guint res;
|
||||||
|
|
||||||
|
g_return_if_fail (GST_IS_MIMENC (object));
|
||||||
|
|
||||||
|
mimenc = GST_MIMENC (object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case ARG_RESOLUTION:
|
||||||
|
res = g_value_get_uint(value);
|
||||||
|
if (res == 1)
|
||||||
|
mimenc->res = MIMIC_RES_HIGH;
|
||||||
|
else
|
||||||
|
mimenc->res = MIMIC_RES_LOW;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_mimenc_get_property (GObject *object,
|
||||||
|
guint prop_id,
|
||||||
|
GValue *value,
|
||||||
|
GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
GstMimEnc *mimenc;
|
||||||
|
|
||||||
|
g_return_if_fail (GST_IS_MIMENC (object));
|
||||||
|
|
||||||
|
mimenc = GST_MIMENC (object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case ARG_RESOLUTION:
|
||||||
|
if (mimenc->res == MIMIC_RES_HIGH)
|
||||||
|
g_value_set_uint (value, 1);
|
||||||
|
else
|
||||||
|
g_value_set_uint (value, 2);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
*/
|
||||||
69
ext/mimic/gstmimenc.h
Normal file
69
ext/mimic/gstmimenc.h
Normal file
@ -0,0 +1,69 @@
|
|||||||
|
/*
|
||||||
|
* GStreamer
|
||||||
|
* Copyright (c) 2005 INdT.
|
||||||
|
* @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
|
||||||
|
* @author Philippe Khalaf <burger@speedy.org>
|
||||||
|
*
|
||||||
|
* 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 details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_MIMENC_H__
|
||||||
|
#define __GST_MIMENC_H__
|
||||||
|
|
||||||
|
#include <glib.h>
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <mimic.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_MIMENC \
|
||||||
|
(gst_gst_mimenc_get_type())
|
||||||
|
#define GST_MIMENC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MIMENC,GstMimEnc))
|
||||||
|
#define GST_MIMENC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MIMENC,GstMimEnc))
|
||||||
|
#define GST_IS_MIMENC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MIMENC))
|
||||||
|
#define GST_IS_MIMENC_CLASS(obj) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MIMENC))
|
||||||
|
|
||||||
|
typedef struct _GstMimEnc GstMimEnc;
|
||||||
|
typedef struct _GstMimEncClass GstMimEncClass;
|
||||||
|
|
||||||
|
struct _GstMimEnc
|
||||||
|
{
|
||||||
|
GstElement element;
|
||||||
|
|
||||||
|
GstPad *sinkpad, *srcpad;
|
||||||
|
|
||||||
|
MimCtx *enc;
|
||||||
|
|
||||||
|
MimicResEnum res;
|
||||||
|
gint buffer_size;
|
||||||
|
guint32 frames;
|
||||||
|
guint16 height, width;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstMimEncClass
|
||||||
|
{
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_gst_mimenc_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_MIMENC_H__ */
|
||||||
53
ext/mimic/gstmimic.c
Normal file
53
ext/mimic/gstmimic.c
Normal file
@ -0,0 +1,53 @@
|
|||||||
|
/*
|
||||||
|
* GStreamer
|
||||||
|
* Copyright (c) 2005 INdT.
|
||||||
|
* @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
|
||||||
|
* @author Philippe Khalaf <burger@speedy.org>
|
||||||
|
*
|
||||||
|
* 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 details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "gstmimenc.h"
|
||||||
|
#include "gstmimdec.h"
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
if (
|
||||||
|
!gst_element_register (plugin, "mimenc",
|
||||||
|
GST_RANK_NONE, GST_TYPE_MIMENC) ||
|
||||||
|
!gst_element_register (plugin, "mimdec",
|
||||||
|
GST_RANK_NONE, GST_TYPE_MIMDEC)
|
||||||
|
)
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (
|
||||||
|
GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"mimic",
|
||||||
|
"Mimic codec",
|
||||||
|
plugin_init,
|
||||||
|
VERSION,
|
||||||
|
"GPL",
|
||||||
|
"Farsight",
|
||||||
|
"http://farsight.sf.net/")
|
||||||
Loading…
x
Reference in New Issue
Block a user