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