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libavcodec/libschroedinger.c

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00001 /*
00002  * Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com >
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00026 #include "libdirac_libschro.h"
00027 #include "libschroedinger.h"
00028 
00033 static const SchroVideoFormatEnum ff_schro_video_formats[]={
00034     SCHRO_VIDEO_FORMAT_CUSTOM     ,
00035     SCHRO_VIDEO_FORMAT_QSIF       ,
00036     SCHRO_VIDEO_FORMAT_QCIF       ,
00037     SCHRO_VIDEO_FORMAT_SIF        ,
00038     SCHRO_VIDEO_FORMAT_CIF        ,
00039     SCHRO_VIDEO_FORMAT_4SIF       ,
00040     SCHRO_VIDEO_FORMAT_4CIF       ,
00041     SCHRO_VIDEO_FORMAT_SD480I_60  ,
00042     SCHRO_VIDEO_FORMAT_SD576I_50  ,
00043     SCHRO_VIDEO_FORMAT_HD720P_60  ,
00044     SCHRO_VIDEO_FORMAT_HD720P_50  ,
00045     SCHRO_VIDEO_FORMAT_HD1080I_60 ,
00046     SCHRO_VIDEO_FORMAT_HD1080I_50 ,
00047     SCHRO_VIDEO_FORMAT_HD1080P_60 ,
00048     SCHRO_VIDEO_FORMAT_HD1080P_50 ,
00049     SCHRO_VIDEO_FORMAT_DC2K_24    ,
00050     SCHRO_VIDEO_FORMAT_DC4K_24    ,
00051 };
00052 
00053 SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avccontext)
00054 {
00055     unsigned int num_formats = sizeof(ff_schro_video_formats) /
00056                                sizeof(ff_schro_video_formats[0]);
00057 
00058     unsigned int idx = ff_dirac_schro_get_video_format_idx (avccontext);
00059 
00060     return (idx < num_formats) ?
00061                  ff_schro_video_formats[idx] : SCHRO_VIDEO_FORMAT_CUSTOM;
00062 }
00063 
00064 int ff_get_schro_frame_format (SchroChromaFormat schro_pix_fmt,
00065                                SchroFrameFormat  *schro_frame_fmt)
00066 {
00067     unsigned int num_formats = sizeof(ffmpeg_schro_pixel_format_map) /
00068                                sizeof(ffmpeg_schro_pixel_format_map[0]);
00069 
00070     int idx;
00071 
00072     for (idx = 0; idx < num_formats; ++idx) {
00073         if (ffmpeg_schro_pixel_format_map[idx].schro_pix_fmt == schro_pix_fmt) {
00074             *schro_frame_fmt =
00075                          ffmpeg_schro_pixel_format_map[idx].schro_frame_fmt;
00076             return 0;
00077         }
00078     }
00079     return -1;
00080 }

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