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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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5f580c3791
This uses the automatic YCoCg conversion inside Schroedinger to encode/decode RGB. Only works in intra-only mode, similar to 10- and 16-bit, since RGB is technically a >8-bit format for Dirac purposes. This depends on schroedinger-1.0.12, which is unreleased.
159 lines
4.2 KiB
C
159 lines
4.2 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 SCHRO_CHECK_VERSION(1,0,12)
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case GST_VIDEO_FORMAT_ARGB:
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frame =
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schro_frame_new_from_data_ARGB (GST_BUFFER_DATA (buf), width, height);
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break;
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#endif
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#if SCHRO_CHECK_VERSION(1,0,11)
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case GST_VIDEO_FORMAT_Y42B:
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frame =
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schro_frame_new_from_data_Y42B (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_Y444:
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frame =
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schro_frame_new_from_data_Y444 (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_v210:
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frame =
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schro_frame_new_from_data_v210 (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_v216:
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frame =
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schro_frame_new_from_data_v216 (GST_BUFFER_DATA (buf), width, height);
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break;
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case GST_VIDEO_FORMAT_AYUV64:
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frame =
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schro_frame_new_from_data_AY64 (GST_BUFFER_DATA (buf), width, height);
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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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return NULL;
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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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