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151 lines
4 KiB
C
151 lines
4 KiB
C
/* Schrodinger
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* Copyright (C) 2008 David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstschroutils.h"
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//#define SCHRO_ENABLE_UNSTABLE_API
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <schroedinger/schro.h>
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#include <schroedinger/schrobitstream.h>
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#include <schroedinger/schrovirtframe.h>
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#include <math.h>
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#include <string.h>
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GST_DEBUG_CATEGORY_EXTERN (schro_debug);
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#define GST_CAT_DEFAULT schro_debug
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static void
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gst_schro_frame_free (SchroFrame * frame, void *priv)
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{
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gst_buffer_unref (GST_BUFFER (priv));
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}
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SchroFrame *
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gst_schro_buffer_wrap (GstBuffer * buf, GstVideoFormat format, int width,
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int height)
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{
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SchroFrame *frame;
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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frame =
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schro_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_YV12:
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frame =
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schro_frame_new_from_data_YV12 (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_YUY2:
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frame =
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schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_UYVY:
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frame =
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schro_frame_new_from_data_UYVY (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_AYUV:
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frame =
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schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
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break;
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#if 0
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case GST_VIDEO_FORMAT_ARGB:
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{
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SchroFrame *rgbframe =
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schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
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SchroFrame *vframe1;
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SchroFrame *vframe2;
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SchroFrame *vframe3;
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vframe1 = schro_virt_frame_new_unpack (rgbframe);
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vframe2 = schro_virt_frame_new_color_matrix (vframe1);
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vframe3 =
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schro_virt_frame_new_subsample (vframe2, SCHRO_FRAME_FORMAT_U8_420);
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frame = schro_frame_new_and_alloc (NULL, SCHRO_FRAME_FORMAT_U8_420,
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width, height);
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schro_virt_frame_render (vframe3, frame);
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schro_frame_unref (vframe3);
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}
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break;
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#endif
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default:
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g_assert_not_reached ();
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}
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schro_frame_set_free_callback (frame, gst_schro_frame_free, buf);
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return frame;
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}
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#ifdef GST_BUFFER_FREE_FUNC
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static void
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schro_buf_free_func (gpointer priv)
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{
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SchroBuffer *buffer = (SchroBuffer *) priv;
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schro_buffer_unref (buffer);
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}
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#endif
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/* takes the reference */
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GstBuffer *
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gst_schro_wrap_schro_buffer (SchroBuffer * buffer)
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{
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GstBuffer *gstbuf;
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#ifdef GST_BUFFER_FREE_FUNC
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gstbuf = gst_buffer_new ();
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GST_BUFFER_DATA (gstbuf) = buffer->data;
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GST_BUFFER_SIZE (gstbuf) = buffer->length;
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GST_BUFFER_MALLOCDATA (gstbuf) = (void *) buffer;
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GST_BUFFER_FREE_FUNC (gstbuf) = schro_buf_free_func;
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#else
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gstbuf = gst_buffer_new_and_alloc (buffer->length);
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memcpy (GST_BUFFER_DATA (gstbuf), buffer->data, buffer->length);
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#endif
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return gstbuf;
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}
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static void
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gst_schro_buffer_free (SchroBuffer * buffer, void *priv)
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{
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gst_buffer_unref (GST_BUFFER (priv));
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}
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SchroBuffer *
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gst_schro_wrap_gst_buffer (GstBuffer * buffer)
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{
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SchroBuffer *schrobuf;
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schrobuf = schro_buffer_new_with_data (GST_BUFFER_DATA (buffer),
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GST_BUFFER_SIZE (buffer));
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schrobuf->free = gst_schro_buffer_free;
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schrobuf->priv = buffer;
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return schrobuf;
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}
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