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-rw-r--r--ext/mimic/.git-darcs-dir0
-rw-r--r--ext/mimic/Makefile.am9
-rw-r--r--ext/mimic/gstmimdec.c346
-rw-r--r--ext/mimic/gstmimdec.h69
-rw-r--r--ext/mimic/gstmimenc.c416
-rw-r--r--ext/mimic/gstmimenc.h69
-rw-r--r--ext/mimic/gstmimic.c53
7 files changed, 962 insertions, 0 deletions
diff --git a/ext/mimic/.git-darcs-dir b/ext/mimic/.git-darcs-dir
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/ext/mimic/.git-darcs-dir
diff --git a/ext/mimic/Makefile.am b/ext/mimic/Makefile.am
new file mode 100644
index 00000000..2bbd5f10
--- /dev/null
+++ b/ext/mimic/Makefile.am
@@ -0,0 +1,9 @@
+plugin_LTLIBRARIES = libgstmimic.la
+
+libgstmimic_la_SOURCES = gstmimic.c gstmimdec.c gstmimenc.c
+
+libgstmimic_la_CFLAGS = $(GST_CFLAGS) $(MIMIC_CFLAGS) $(GST_BASE_CFLAGS)
+libgstmimic_la_LIBADD = $(GST_LIBS) $(MIMIC_LIBS)
+libgstmimic_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_BASE_LIBS)
+
+noinst_HEADERS = gstmimdec.h gstmimenc.h
diff --git a/ext/mimic/gstmimdec.c b/ext/mimic/gstmimdec.c
new file mode 100644
index 00000000..abdd5e12
--- /dev/null
+++ b/ext/mimic/gstmimdec.c
@@ -0,0 +1,346 @@
+/*
+ * GStreamer
+ * Copyright (c) 2005 INdT.
+ * @author Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
+ * @author Rob Taylor <robtaylor@fastmail.fm>
+ * @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 "gstmimdec.h"
+
+GST_DEBUG_CATEGORY (mimdec_debug);
+#define GST_CAT_DEFAULT (mimdec_debug)
+
+static GstStaticPadTemplate sink_factory =
+GST_STATIC_PAD_TEMPLATE (
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-msnwebcam")
+);
+
+static GstStaticPadTemplate src_factory =
+GST_STATIC_PAD_TEMPLATE (
+ "src",
+ GST_PAD_SRC,
+ 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, "
+ "height = (int) [16, 4096], "
+ "width = (int) [16, 4096]"
+ )
+);
+
+static void gst_mimdec_class_init (GstMimDecClass *klass);
+static void gst_mimdec_base_init (GstMimDecClass *klass);
+static void gst_mimdec_init (GstMimDec *mimdec);
+static void gst_mimdec_dispose (GObject *object);
+
+static GstFlowReturn gst_mimdec_chain (GstPad *pad,
+ GstBuffer *in);
+static GstCaps *gst_mimdec_src_getcaps (GstPad *pad);
+#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
+static GstElementStateReturn
+ gst_mimdec_change_state (GstElement *element);
+#else
+static GstStateChangeReturn
+ gst_mimdec_change_state (GstElement *element,
+ GstStateChange transition);
+#endif
+
+static GstElementClass *parent_class = NULL;
+
+GType
+gst_gst_mimdec_get_type (void)
+{
+ static GType plugin_type = 0;
+
+ if (!plugin_type)
+ {
+ static const GTypeInfo plugin_info =
+ {
+ sizeof (GstMimDecClass),
+ (GBaseInitFunc) gst_mimdec_base_init,
+ NULL,
+ (GClassInitFunc) gst_mimdec_class_init,
+ NULL,
+ NULL,
+ sizeof (GstMimDec),
+ 0,
+ (GInstanceInitFunc) gst_mimdec_init,
+ };
+ plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
+ "GstMimDec",
+ &plugin_info, 0);
+ }
+ return plugin_type;
+}
+
+static void
+gst_mimdec_base_init (GstMimDecClass *klass)
+{
+ static GstElementDetails plugin_details = {
+ "MimDec",
+ "Codec/Decoder/Video",
+ "Mimic decoder",
+ "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_mimdec_class_init (GstMimDecClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*) klass;
+ gstelement_class = (GstElementClass*) klass;
+ gstelement_class->change_state = gst_mimdec_change_state;
+
+ gobject_class->dispose = gst_mimdec_dispose;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ GST_DEBUG_CATEGORY_INIT (mimdec_debug, "mimdec", 0, "Mimic decoder plugin");
+}
+
+static void
+gst_mimdec_init (GstMimDec *mimdec)
+{
+ mimdec->sinkpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&sink_factory), "sink");
+ gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->sinkpad);
+ gst_pad_set_chain_function (mimdec->sinkpad, gst_mimdec_chain);
+
+ mimdec->srcpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&src_factory), "src");
+ gst_pad_set_getcaps_function (mimdec->srcpad, gst_mimdec_src_getcaps);
+ gst_element_add_pad (GST_ELEMENT (mimdec), mimdec->srcpad);
+
+ mimdec->adapter = gst_adapter_new ();
+
+ mimdec->dec = NULL;
+ mimdec->buffer_size = -1;
+ mimdec->have_header = FALSE;
+ mimdec->payload_size = -1;
+}
+
+static void
+gst_mimdec_dispose (GObject *object)
+{
+ GstMimDec *mimdec = GST_MIMDEC (object);
+
+ gst_adapter_clear (mimdec->adapter);
+ g_object_unref (mimdec->adapter);
+}
+
+static GstFlowReturn
+gst_mimdec_chain (GstPad *pad, GstBuffer *in)
+{
+ GstMimDec *mimdec;
+ GstBuffer *out_buf, *buf;
+ guchar *header, *frame_body;
+ guint32 fourcc;
+ guint16 header_size;
+ gint width, height;
+ GstCaps *caps;
+
+ g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
+
+ mimdec = GST_MIMDEC (GST_OBJECT_PARENT (pad));
+ g_return_val_if_fail (GST_IS_MIMDEC (mimdec), GST_FLOW_ERROR);
+
+ g_return_val_if_fail(GST_PAD_IS_LINKED(mimdec->srcpad), GST_FLOW_ERROR);
+
+ buf = GST_BUFFER (in);
+ gst_adapter_push (mimdec->adapter, buf);
+
+ // do we have enough bytes to read a header
+ while (gst_adapter_available (mimdec->adapter) >= (mimdec->have_header ? mimdec->payload_size : 24)) {
+ if (!mimdec->have_header) {
+ header = (guchar *) gst_adapter_peek (mimdec->adapter, 24);
+ header_size = GUINT16_FROM_LE (*(guint16 *) (header + 0));
+ if (header_size != 24) {
+ GST_WARNING ("invalid frame: header size %d incorrect", header_size);
+ gst_adapter_flush (mimdec->adapter, 24);
+ return GST_FLOW_ERROR;
+ }
+
+ fourcc = GST_MAKE_FOURCC ('M', 'L', '2', '0');
+ if (GUINT32_FROM_LE (*((guint32 *) (header + 12))) != fourcc) {
+ GST_WARNING ("invalid frame: unknown FOURCC code %d", fourcc);
+ gst_adapter_flush (mimdec->adapter, 24);
+ return GST_FLOW_ERROR;
+ }
+
+ mimdec->payload_size = GUINT32_FROM_LE (*((guint32 *) (header + 8)));
+ GST_DEBUG ("Got packet, payload size %d", mimdec->payload_size);
+
+ gst_adapter_flush (mimdec->adapter, 24);
+
+ mimdec->have_header = TRUE;
+ }
+
+ if (gst_adapter_available (mimdec->adapter) < mimdec->payload_size)
+ {
+ return GST_FLOW_OK;
+ }
+
+ frame_body = (guchar *) gst_adapter_peek (mimdec->adapter, mimdec->payload_size);
+
+ if (mimdec->dec == NULL) {
+ mimdec->dec = mimic_open ();
+ if (mimdec->dec == NULL) {
+ GST_WARNING ("mimic_open error\n");
+
+ gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
+ mimdec->have_header = FALSE;
+ return GST_FLOW_ERROR;
+ }
+
+ if (!mimic_decoder_init (mimdec->dec, frame_body)) {
+ GST_WARNING ("mimic_decoder_init error\n");
+ mimic_close (mimdec->dec);
+ mimdec->dec = NULL;
+
+ gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
+ mimdec->have_header = FALSE;
+ return GST_FLOW_ERROR;
+ }
+
+ if (!mimic_get_property (mimdec->dec, "buffer_size", &mimdec->buffer_size)) {
+ GST_WARNING ("mimic_get_property('buffer_size') error\n");
+ mimic_close (mimdec->dec);
+ mimdec->dec = NULL;
+
+ gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
+ mimdec->have_header = FALSE;
+ return GST_FLOW_ERROR;
+ }
+ }
+
+ out_buf = gst_buffer_new_and_alloc (mimdec->buffer_size);
+ GST_BUFFER_TIMESTAMP(out_buf) = GST_BUFFER_TIMESTAMP(buf);
+ if (!mimic_decode_frame (mimdec->dec, frame_body, GST_BUFFER_DATA (out_buf))) {
+ GST_WARNING ("mimic_decode_frame error\n");
+
+ gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
+ mimdec->have_header = FALSE;
+
+ gst_buffer_unref (out_buf);
+ return GST_FLOW_ERROR;
+ }
+
+ mimic_get_property(mimdec->dec, "width", &width);
+ mimic_get_property(mimdec->dec, "height", &height);
+ GST_DEBUG ("got WxH %d x %d payload size %d buffer_size %d", width, height, mimdec->payload_size, mimdec->buffer_size);
+ caps = gst_caps_new_simple ("video/x-raw-rgb",
+ "bpp", G_TYPE_INT, 24,
+ "depth", G_TYPE_INT, 24,
+ "endianness", G_TYPE_INT, 4321,
+ "framerate", G_TYPE_DOUBLE, 30.0,
+ "red_mask", G_TYPE_INT, 16711680,
+ "green_mask", G_TYPE_INT, 65280,
+ "blue_mask", G_TYPE_INT, 255,
+ "width", G_TYPE_INT, width,
+ "height", G_TYPE_INT, height, NULL);
+ // gst_pad_set_caps (mimdec->srcpad, caps);
+ gst_buffer_set_caps (out_buf, caps);
+ gst_caps_unref (caps);
+ gst_pad_push (mimdec->srcpad, out_buf);
+
+ gst_adapter_flush (mimdec->adapter, mimdec->payload_size);
+ mimdec->have_header = FALSE;
+
+ return GST_FLOW_OK;
+ }
+
+ return GST_FLOW_OK;
+}
+
+#if (GST_VERSION_MAJOR == 0) && (GST_VERSION_MINOR == 9) && (GST_VERSION_MICRO <= 1)
+static GstElementStateReturn
+gst_mimdec_change_state (GstElement *element)
+{
+ GstMimDec *mimdec;
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_READY_TO_NULL:
+#else
+static GstStateChangeReturn
+gst_mimdec_change_state (GstElement *element, GstStateChange transition)
+{
+ GstMimDec *mimdec;
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+#endif
+ mimdec = GST_MIMDEC (element);
+ if (mimdec->dec != NULL) {
+ mimic_close (mimdec->dec);
+ mimdec->dec = NULL;
+ mimdec->buffer_size = -1;
+ mimdec->have_header = FALSE;
+ mimdec->payload_size = -1;
+ }
+ 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
+}
+
+static GstCaps *
+gst_mimdec_src_getcaps (GstPad *pad)
+{
+ GstCaps *caps;
+
+ GST_LOCK (pad);
+ if (!(caps = GST_PAD_CAPS (pad)))
+ caps = (GstCaps *) gst_pad_get_pad_template_caps (pad);
+ caps = gst_caps_ref (caps);
+ GST_UNLOCK (pad);
+
+ return caps;
+}
diff --git a/ext/mimic/gstmimdec.h b/ext/mimic/gstmimdec.h
new file mode 100644
index 00000000..7f930529
--- /dev/null
+++ b/ext/mimic/gstmimdec.h
@@ -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__ */
diff --git a/ext/mimic/gstmimenc.c b/ext/mimic/gstmimenc.c
new file mode 100644
index 00000000..34e5da97
--- /dev/null
+++ b/ext/mimic/gstmimenc.c
@@ -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;
+ }
+}
+*/
diff --git a/ext/mimic/gstmimenc.h b/ext/mimic/gstmimenc.h
new file mode 100644
index 00000000..150e9c83
--- /dev/null
+++ b/ext/mimic/gstmimenc.h
@@ -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__ */
diff --git a/ext/mimic/gstmimic.c b/ext/mimic/gstmimic.c
new file mode 100644
index 00000000..6931ebdb
--- /dev/null
+++ b/ext/mimic/gstmimic.c
@@ -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/")
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-18 15:46:12 +0000