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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;
GstMapInfo info;
if (!gst_buffer_map (buf, &info, GST_MAP_READ))
return NULL;
switch (format) {
case GST_VIDEO_FORMAT_I420:
frame = schro_frame_new_from_data_I420 (info.data, width, height);
break;
case GST_VIDEO_FORMAT_YV12:
frame = schro_frame_new_from_data_YV12 (info.data, width, height);
break;
case GST_VIDEO_FORMAT_YUY2:
frame = schro_frame_new_from_data_YUY2 (info.data, width, height);
break;
case GST_VIDEO_FORMAT_UYVY:
frame = schro_frame_new_from_data_UYVY (info.data, width, height);
break;
case GST_VIDEO_FORMAT_AYUV:
frame = schro_frame_new_from_data_AYUV (info.data, width, height);
break;
#if SCHRO_CHECK_VERSION(1,0,12)
case GST_VIDEO_FORMAT_ARGB:
frame = schro_frame_new_from_data_ARGB (info.data, width, height);
break;
#endif
#if SCHRO_CHECK_VERSION(1,0,11)
case GST_VIDEO_FORMAT_Y42B:
frame = schro_frame_new_from_data_Y42B (info.data, width, height);
break;
case GST_VIDEO_FORMAT_Y444:
frame = schro_frame_new_from_data_Y444 (info.data, width, height);
break;
case GST_VIDEO_FORMAT_v210:
frame = schro_frame_new_from_data_v210 (info.data, width, height);
break;
case GST_VIDEO_FORMAT_v216:
frame = schro_frame_new_from_data_v216 (info.data, width, height);
break;
case GST_VIDEO_FORMAT_AYUV64:
frame = schro_frame_new_from_data_AY64 (info.data, width, height);
break;
#endif
default:
g_assert_not_reached ();
return NULL;
}
schro_frame_set_free_callback (frame, gst_schro_frame_free, buf);
gst_buffer_unmap (buf, &info);
return frame;
}
static void
schro_buf_free_func (gpointer priv)
{
SchroBuffer *buffer = (SchroBuffer *) priv;
schro_buffer_unref (buffer);
}
/* takes the reference */
GstBuffer *
gst_schro_wrap_schro_buffer (SchroBuffer * buffer)
{
GstMemory *mem;
GstBuffer *buf;
mem =
gst_memory_new_wrapped (0, buffer->data, buffer->length, 0,
buffer->length, buffer, schro_buf_free_func);
buf = gst_buffer_new ();
gst_buffer_append_memory (buf, mem);
return buf;
}
static void
gst_schro_buffer_free (SchroBuffer * buffer, void *priv)
{
gst_memory_unref (GST_MEMORY_CAST (priv));
}
SchroBuffer *
gst_schro_wrap_gst_buffer (GstBuffer * buffer)
{
SchroBuffer *schrobuf;
GstMemory *mem;
GstMapInfo info;
mem = gst_buffer_get_merged_memory (buffer);
if (!gst_memory_map (mem, &info, GST_MAP_READ)) {
GST_ERROR ("Couldn't get readable memory from gstbuffer");
return NULL;
}
/* FIXME : We can't control if data won't be read/write outside
* of schro ... */
schrobuf = schro_buffer_new_with_data (info.data, info.size);
gst_memory_unmap (mem, &info);
schrobuf->free = gst_schro_buffer_free;
schrobuf->priv = mem;
return schrobuf;
}
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