Add Dirac support through libschroedinger.

patch by Anuradha Suraparaju, anuradha rd.bbc.co uk

Originally committed as revision 13046 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 61 insertions, 0 deletions

diff --git a/libavcodec/libschroedinger.h b/libavcodec/libschroedinger.h
new file mode 100644
index 0000000000..7b5f7f2bcf
--- /dev/null
+++ b/libavcodec/libschroedinger.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com >
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+* @file libschroedinger.h
+* data structures common to libschroedingerdec.c and libschroedingerenc.c
+*/
+
+#ifndef FFMPEG_LIBSCHROEDINGER_H
+#define FFMPEG_LIBSCHROEDINGER_H
+
+#include "config.h"
+
+#ifdef CONFIG_LIBSCHROEDINGER
+
+#include <schroedinger/schrobitstream.h>
+#include <schroedinger/schroframe.h>
+#include "avcodec.h"
+
+static const struct {
+    enum PixelFormat  ff_pix_fmt;
+    SchroChromaFormat schro_pix_fmt;
+    SchroFrameFormat  schro_frame_fmt;
+} ffmpeg_schro_pixel_format_map[] = {
+    { PIX_FMT_YUV420P, SCHRO_CHROMA_420, SCHRO_FRAME_FORMAT_U8_420 },
+    { PIX_FMT_YUV422P, SCHRO_CHROMA_422, SCHRO_FRAME_FORMAT_U8_422 },
+    { PIX_FMT_YUV444P, SCHRO_CHROMA_444, SCHRO_FRAME_FORMAT_U8_444 },
+};
+
+/**
+* Returns the video format preset matching the input video dimensions and
+* time base.
+*/
+SchroVideoFormatEnum ff_get_schro_video_format_preset (AVCodecContext *avccontext);
+
+/**
+* Sets the Schroedinger frame format corresponding to the Schro chroma format
+* passed. Returns 0 on success, -1 on failure.
+*/
+int ff_get_schro_frame_format (SchroChromaFormat schro_chroma_fmt,
+                               SchroFrameFormat  *schro_frame_fmt);
+
+#endif /* CONFIG_LIBSCHROEDINGER */
+#endif /* FFMPEG_LIBSCHROEDINGER_H */