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 libavcodec/libschroedinger.c
23* function definitions common to libschroedingerdec.c and libschroedingerenc.c
24*/
25
26#include "libdirac_libschro.h"
27#include "libschroedinger.h"
28
29/**
30* Schroedinger video preset table. Ensure that this tables matches up correctly
31* with the ff_dirac_schro_video_format_info table in libdirac_libschro.c.
32*/
33static const SchroVideoFormatEnum ff_schro_video_formats[]={
34    SCHRO_VIDEO_FORMAT_CUSTOM     ,
35    SCHRO_VIDEO_FORMAT_QSIF       ,
36    SCHRO_VIDEO_FORMAT_QCIF       ,
37    SCHRO_VIDEO_FORMAT_SIF        ,
38    SCHRO_VIDEO_FORMAT_CIF        ,
39    SCHRO_VIDEO_FORMAT_4SIF       ,
40    SCHRO_VIDEO_FORMAT_4CIF       ,
41    SCHRO_VIDEO_FORMAT_SD480I_60  ,
42    SCHRO_VIDEO_FORMAT_SD576I_50  ,
43    SCHRO_VIDEO_FORMAT_HD720P_60  ,
44    SCHRO_VIDEO_FORMAT_HD720P_50  ,
45    SCHRO_VIDEO_FORMAT_HD1080I_60 ,
46    SCHRO_VIDEO_FORMAT_HD1080I_50 ,
47    SCHRO_VIDEO_FORMAT_HD1080P_60 ,
48    SCHRO_VIDEO_FORMAT_HD1080P_50 ,
49    SCHRO_VIDEO_FORMAT_DC2K_24    ,
50    SCHRO_VIDEO_FORMAT_DC4K_24    ,
51};
52
53SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avccontext)
54{
55    unsigned int num_formats = sizeof(ff_schro_video_formats) /
56                               sizeof(ff_schro_video_formats[0]);
57
58    unsigned int idx = ff_dirac_schro_get_video_format_idx (avccontext);
59
60    return (idx < num_formats) ?
61                 ff_schro_video_formats[idx] : SCHRO_VIDEO_FORMAT_CUSTOM;
62}
63
64int ff_get_schro_frame_format (SchroChromaFormat schro_pix_fmt,
65                               SchroFrameFormat  *schro_frame_fmt)
66{
67    unsigned int num_formats = sizeof(ffmpeg_schro_pixel_format_map) /
68                               sizeof(ffmpeg_schro_pixel_format_map[0]);
69
70    int idx;
71
72    for (idx = 0; idx < num_formats; ++idx) {
73        if (ffmpeg_schro_pixel_format_map[idx].schro_pix_fmt == schro_pix_fmt) {
74            *schro_frame_fmt =
75                         ffmpeg_schro_pixel_format_map[idx].schro_frame_fmt;
76            return 0;
77        }
78    }
79    return -1;
80}
81