gstreamer/ext/cog/gstcogutils.c

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/* Cog
* Copyright (C) 2008 David Schleef <ds@schleef.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
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#include "gstcogutils.h"
#include <gst/gst.h>
#include <gst/video/video.h>
#include <cog/cog.h>
#include <cog/cogvirtframe.h>
#include <math.h>
#include <string.h>
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GST_DEBUG_CATEGORY_EXTERN (cog_debug);
#define GST_CAT_DEFAULT cog_debug
static void
gst_cog_frame_free (CogFrame * frame, void *priv)
{
gst_buffer_unref (GST_BUFFER (priv));
}
CogFrame *
gst_cog_buffer_wrap (GstBuffer * buf, GstVideoFormat format, int width,
int height)
{
CogFrame *frame;
int size;
size = gst_video_format_get_size (format, width, height);
if (GST_BUFFER_SIZE (buf) != size) {
GST_ERROR ("size incorrect, expected %d, got %d", size,
GST_BUFFER_SIZE (buf));
}
switch (format) {
case GST_VIDEO_FORMAT_I420:
frame =
cog_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_YV12:
frame =
cog_frame_new_from_data_YV12 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_YUY2:
frame =
cog_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_UYVY:
frame =
cog_frame_new_from_data_UYVY (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_AYUV:
frame =
cog_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_Y42B:
frame =
cog_frame_new_from_data_Y42B (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_Y444:
frame =
cog_frame_new_from_data_Y444 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_v210:
frame =
cog_frame_new_from_data_v210 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_v216:
frame =
cog_frame_new_from_data_v216 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_RGBx:
frame =
cog_frame_new_from_data_RGBx (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_BGRx:
frame =
cog_frame_new_from_data_BGRx (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_xRGB:
frame =
cog_frame_new_from_data_xRGB (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_xBGR:
frame =
cog_frame_new_from_data_xBGR (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_RGBA:
frame =
cog_frame_new_from_data_RGBA (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_BGRA:
frame =
cog_frame_new_from_data_BGRA (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_ARGB:
frame =
cog_frame_new_from_data_ARGB (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_ABGR:
frame =
cog_frame_new_from_data_ABGR (GST_BUFFER_DATA (buf), width, height);
break;
default:
g_assert_not_reached ();
return NULL;
}
cog_frame_set_free_callback (frame, gst_cog_frame_free, buf);
return frame;
}
#if 0
#ifdef GST_BUFFER_FREE_FUNC
static void
cog_buf_free_func (gpointer priv)
{
CogBuffer *buffer = (CogBuffer *) priv;
cog_buffer_unref (buffer);
}
#endif
/* takes the reference */
GstBuffer *
gst_cog_wrap_cog_buffer (CogBuffer * buffer)
{
GstBuffer *gstbuf;
#ifdef GST_BUFFER_FREE_FUNC
gstbuf = gst_buffer_new ();
GST_BUFFER_DATA (gstbuf) = buffer->data;
GST_BUFFER_SIZE (gstbuf) = buffer->length;
GST_BUFFER_MALLOCDATA (gstbuf) = (void *) buffer;
GST_BUFFER_FREE_FUNC (gstbuf) = cog_buf_free_func;
#else
gstbuf = gst_buffer_new_and_alloc (buffer->length);
memcpy (GST_BUFFER_DATA (gstbuf), buffer->data, buffer->length);
#endif
return gstbuf;
}
static void
gst_cog_buffer_free (CogBuffer * buffer, void *priv)
{
gst_buffer_unref (GST_BUFFER (priv));
}
CogBuffer *
gst_cog_wrap_gst_buffer (GstBuffer * buffer)
{
CogBuffer *cogbuf;
cogbuf = cog_buffer_new_with_data (GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
cogbuf->free = gst_cog_buffer_free;
cogbuf->priv = buffer;
return cogbuf;
}
#endif