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[MOVED FROM GST-P-FARSIGHT] Import from CVS to darcs

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Philipe Kalaf 2005-07-16 19:50:21 +00:00 committed by Olivier Crête
parent 855789c37f
commit b6350f6f5a
7 changed files with 962 additions and 0 deletions
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0
ext/mimic/.git-darcs-dir Normal file
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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

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/*
* 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;
}

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/*
* 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__ */

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/*
* 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;
}
}
*/

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/*
* 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__ */

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/*
* 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/")