1/*
2 * Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com >
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21/**
22* @file
23* data structures common to libschroedingerdec.c and libschroedingerenc.c
24*/
25
26#ifndef AVCODEC_LIBSCHROEDINGER_H
27#define AVCODEC_LIBSCHROEDINGER_H
28
29#include <schroedinger/schrobitstream.h>
30#include <schroedinger/schroframe.h>
31#include "avcodec.h"
32
33static const struct {
34    enum PixelFormat  ff_pix_fmt;
35    SchroChromaFormat schro_pix_fmt;
36    SchroFrameFormat  schro_frame_fmt;
37} ffmpeg_schro_pixel_format_map[] = {
38    { PIX_FMT_YUV420P, SCHRO_CHROMA_420, SCHRO_FRAME_FORMAT_U8_420 },
39    { PIX_FMT_YUV422P, SCHRO_CHROMA_422, SCHRO_FRAME_FORMAT_U8_422 },
40    { PIX_FMT_YUV444P, SCHRO_CHROMA_444, SCHRO_FRAME_FORMAT_U8_444 },
41};
42
43/**
44* Returns the video format preset matching the input video dimensions and
45* time base.
46*/
47SchroVideoFormatEnum ff_get_schro_video_format_preset (AVCodecContext *avccontext);
48
49/**
50* Sets the Schroedinger frame format corresponding to the Schro chroma format
51* passed. Returns 0 on success, -1 on failure.
52*/
53int ff_get_schro_frame_format(SchroChromaFormat schro_chroma_fmt,
54                              SchroFrameFormat  *schro_frame_fmt);
55
56/**
57* Create a Schro frame based on the dimensions and frame format
58* passed. Returns a pointer to a frame on success, NULL on failure.
59*/
60SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
61                                  SchroFrameFormat schro_frame_fmt);
62
63#endif /* AVCODEC_LIBSCHROEDINGER_H */
64