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https://github.com/mpv-player/mpv
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ddc9733446
af_str2fmt_short(), which is used by the command line option parser, allowed passing a hex number. The user could set arbitrary integers as internal audio formats, even formats which don't exist or make no sense. This is not very useful, so get rid of it.
122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/*
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* Copyright (C) 2005 Alex Beregszaszi
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <limits.h>
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#include "audio/filter/af.h"
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int af_fmt2bits(int format)
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{
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if (AF_FORMAT_IS_AC3(format)) return 16;
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if (format == AF_FORMAT_UNKNOWN)
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return 0;
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switch(format & AF_FORMAT_BITS_MASK)
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{
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case AF_FORMAT_8BIT: return 8;
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case AF_FORMAT_16BIT: return 16;
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case AF_FORMAT_24BIT: return 24;
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case AF_FORMAT_32BIT: return 32;
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case AF_FORMAT_64BIT: return 64;
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}
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return 0;
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}
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/* Convert format to str input str is a buffer for the
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converted string, size is the size of the buffer */
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char* af_fmt2str(int format, char* str, int size)
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{
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const char *name = af_fmt2str_short(format);
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snprintf(str, size, "%s", name);
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return str;
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}
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const struct af_fmt_entry af_fmtstr_table[] = {
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{ "mpeg2", AF_FORMAT_MPEG2 },
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{ "ac3le", AF_FORMAT_AC3_LE },
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{ "ac3be", AF_FORMAT_AC3_BE },
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{ "ac3ne", AF_FORMAT_AC3_NE },
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{ "iec61937le", AF_FORMAT_IEC61937_LE },
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{ "iec61937be", AF_FORMAT_IEC61937_BE },
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{ "iec61937ne", AF_FORMAT_IEC61937_NE },
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{ "u8", AF_FORMAT_U8 },
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{ "s8", AF_FORMAT_S8 },
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{ "u16le", AF_FORMAT_U16_LE },
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{ "u16be", AF_FORMAT_U16_BE },
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{ "u16ne", AF_FORMAT_U16_NE },
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{ "s16le", AF_FORMAT_S16_LE },
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{ "s16be", AF_FORMAT_S16_BE },
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{ "s16ne", AF_FORMAT_S16_NE },
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{ "u24le", AF_FORMAT_U24_LE },
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{ "u24be", AF_FORMAT_U24_BE },
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{ "u24ne", AF_FORMAT_U24_NE },
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{ "s24le", AF_FORMAT_S24_LE },
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{ "s24be", AF_FORMAT_S24_BE },
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{ "s24ne", AF_FORMAT_S24_NE },
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{ "u32le", AF_FORMAT_U32_LE },
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{ "u32be", AF_FORMAT_U32_BE },
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{ "u32ne", AF_FORMAT_U32_NE },
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{ "s32le", AF_FORMAT_S32_LE },
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{ "s32be", AF_FORMAT_S32_BE },
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{ "s32ne", AF_FORMAT_S32_NE },
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{ "floatle", AF_FORMAT_FLOAT_LE },
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{ "floatbe", AF_FORMAT_FLOAT_BE },
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{ "floatne", AF_FORMAT_FLOAT_NE },
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{ "doublele", AF_FORMAT_DOUBLE_LE },
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{ "doublebe", AF_FORMAT_DOUBLE_BE },
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{ "doublene", AF_FORMAT_DOUBLE_NE },
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{0}
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};
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const char *af_fmt2str_short(int format)
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{
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int i;
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for (i = 0; af_fmtstr_table[i].name; i++)
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if (af_fmtstr_table[i].format == format)
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return af_fmtstr_table[i].name;
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return "??";
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}
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int af_fmt_seconds_to_bytes(int format, float seconds, int channels, int samplerate)
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{
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int bps = (af_fmt2bits(format) / 8);
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int framelen = channels * bps;
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int bytes = seconds * bps * samplerate;
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if (bytes % framelen)
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bytes += framelen - (bytes % framelen);
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return bytes;
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}
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int af_str2fmt_short(bstr str)
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{
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for (int i = 0; af_fmtstr_table[i].name; i++)
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if (!bstrcasecmp0(str, af_fmtstr_table[i].name))
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return af_fmtstr_table[i].format;
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return 0;
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}
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