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https://gitee.com/openharmony/third_party_ffmpeg
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28 lines
717 B
C
28 lines
717 B
C
/* mpeg audio declarations for both encoder and decoder */
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/* max frame size, in samples */
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#define MPA_FRAME_SIZE 1152
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/* max compressed frame size */
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#define MPA_MAX_CODED_FRAME_SIZE 1792
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#define MPA_MAX_CHANNELS 2
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#define SBLIMIT 32 /* number of subbands */
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#define MPA_STEREO 0
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#define MPA_JSTEREO 1
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#define MPA_DUAL 2
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#define MPA_MONO 3
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int l2_select_table(int bitrate, int nb_channels, int freq, int lsf);
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const UINT16 mpa_bitrate_tab[2][3][15];
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const UINT16 mpa_freq_tab[3];
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extern const unsigned char *alloc_tables[5];
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extern const double enwindow[512];
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extern const int sblimit_table[5];
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extern const int quant_steps[17];
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extern const int quant_bits[17];
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extern const INT32 mpa_enwindow[257];
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