mirror of https://github.com/mpv-player/mpv
89 lines
1.7 KiB
C
89 lines
1.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "../config.h"
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#include "afmt.h"
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char *audio_out_format_name(int format)
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{
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switch (format)
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{
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case AFMT_MU_LAW:
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return("Mu-Law");
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case AFMT_A_LAW:
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return("A-Law");
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case AFMT_IMA_ADPCM:
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return("Ima-ADPCM");
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case AFMT_S8:
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return("Signed 8-bit");
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case AFMT_U8:
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return("Unsigned 8-bit");
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case AFMT_U16_LE:
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return("Unsigned 16-bit (Little-Endian)");
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case AFMT_U16_BE:
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return("Unsigned 16-bit (Big-Endian)");
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case AFMT_S16_LE:
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return("Signed 16-bit (Little-Endian)");
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case AFMT_S16_BE:
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return("Signed 16-bit (Big-Endian)");
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case AFMT_MPEG:
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return("MPEG (2) audio");
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case AFMT_AC3:
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return("AC3");
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/*
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the following two formats are not available with old linux kernel
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headers (e.g. in 2.2.16)
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*/
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#ifdef AFMT_S32_LE
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case AFMT_S32_LE:
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return("Signed 32-bit (Little-Endian)");
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#endif
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#ifdef AFMT_S32_BE
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case AFMT_S32_BE:
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return("Signed 32-bit (Big-Endian)");
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#endif
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case AFMT_FLOAT:
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return("Floating Point");
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}
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return("Unknown");
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}
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// return number of bits for 1 sample in one channel, or 8 bits for compressed
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int audio_out_format_bits(int format){
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switch (format)
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{
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case AFMT_S16_LE:
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case AFMT_S16_BE:
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case AFMT_U16_LE:
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case AFMT_U16_BE:
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return 16;//16 bits
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/*
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the following two formats are not available with old linux kernel
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headers (e.g. in 2.2.16)
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*/
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#ifdef AFMT_S32_LE
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case AFMT_S32_LE:
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return 32;
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#endif
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#ifdef AFMT_S32_BE
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case AFMT_S32_BE:
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return 32;
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#endif
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case AFMT_FLOAT:
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return 32;
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case AFMT_MU_LAW:
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case AFMT_A_LAW:
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case AFMT_IMA_ADPCM:
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case AFMT_S8:
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case AFMT_U8:
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case AFMT_MPEG:
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case AFMT_AC3:
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default:
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return 8;//default 1 byte
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}
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return 8;
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}
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