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/* Schrodinger
* 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
#include "gstschroutils.h"
//#define SCHRO_ENABLE_UNSTABLE_API
#include <gst/gst.h>
#include <gst/video/video.h>
#include <schroedinger/schro.h>
#include <schroedinger/schrobitstream.h>
#include <schroedinger/schrovirtframe.h>
#include <math.h>
#include <string.h>
GST_DEBUG_CATEGORY_EXTERN (schro_debug);
#define GST_CAT_DEFAULT schro_debug
static void
gst_schro_frame_free (SchroFrame * frame, void *priv)
{
gst_buffer_unref (GST_BUFFER (priv));
}
SchroFrame *
gst_schro_buffer_wrap (GstBuffer * buf, GstVideoFormat format, int width,
int height)
{
SchroFrame *frame;
switch (format) {
case GST_VIDEO_FORMAT_I420:
frame =
schro_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_YV12:
frame =
schro_frame_new_from_data_YV12 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_YUY2:
frame =
schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_UYVY:
frame =
schro_frame_new_from_data_UYVY (GST_BUFFER_DATA (buf), width, height);
break;
case GST_VIDEO_FORMAT_AYUV:
frame =
schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
break;
#if 0
case GST_VIDEO_FORMAT_ARGB:
{
SchroFrame *rgbframe =
schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
SchroFrame *vframe1;
SchroFrame *vframe2;
SchroFrame *vframe3;
vframe1 = schro_virt_frame_new_unpack (rgbframe);
vframe2 = schro_virt_frame_new_color_matrix (vframe1);
vframe3 =
schro_virt_frame_new_subsample (vframe2, SCHRO_FRAME_FORMAT_U8_420);
frame = schro_frame_new_and_alloc (NULL, SCHRO_FRAME_FORMAT_U8_420,
width, height);
schro_virt_frame_render (vframe3, frame);
schro_frame_unref (vframe3);
}
break;
#endif
default:
g_assert_not_reached ();
return NULL;
}
schro_frame_set_free_callback (frame, gst_schro_frame_free, buf);
return frame;
}
#ifdef GST_BUFFER_FREE_FUNC
static void
schro_buf_free_func (gpointer priv)
{
SchroBuffer *buffer = (SchroBuffer *) priv;
schro_buffer_unref (buffer);
}
#endif
/* takes the reference */
GstBuffer *
gst_schro_wrap_schro_buffer (SchroBuffer * 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) = schro_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_schro_buffer_free (SchroBuffer * buffer, void *priv)
{
gst_buffer_unref (GST_BUFFER (priv));
}
SchroBuffer *
gst_schro_wrap_gst_buffer (GstBuffer * buffer)
{
SchroBuffer *schrobuf;
schrobuf = schro_buffer_new_with_data (GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
schrobuf->free = gst_schro_buffer_free;
schrobuf->priv = buffer;
return schrobuf;
}
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