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https://github.com/mpv-player/mpv
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4bbefcad28
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4002 b3059339-0415-0410-9bf9-f77b7e298cf2
31 lines
1.0 KiB
C
31 lines
1.0 KiB
C
#ifndef ADPCM_H
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#define ADPCM_H
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#define IMA_ADPCM_PREAMBLE_SIZE 2
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#define IMA_ADPCM_BLOCK_SIZE 0x22
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#define IMA_ADPCM_SAMPLES_PER_BLOCK \
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((IMA_ADPCM_BLOCK_SIZE - IMA_ADPCM_PREAMBLE_SIZE) * 2)
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#define MS_ADPCM_PREAMBLE_SIZE 7
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#define MS_ADPCM_SAMPLES_PER_BLOCK \
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((sh_audio->wf->nBlockAlign - MS_ADPCM_PREAMBLE_SIZE) * 2)
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#define FOX61_ADPCM_PREAMBLE_SIZE 4
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#define FOX61_ADPCM_BLOCK_SIZE 0x200
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#define FOX61_ADPCM_SAMPLES_PER_BLOCK \
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(((FOX61_ADPCM_BLOCK_SIZE - FOX61_ADPCM_PREAMBLE_SIZE) * 2) + 1)
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// pretend there's such a thing as mono for this format
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#define FOX62_ADPCM_PREAMBLE_SIZE 8
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#define FOX62_ADPCM_BLOCK_SIZE 0x400
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// this isn't exact
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#define FOX62_ADPCM_SAMPLES_PER_BLOCK 6000
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int ima_adpcm_decode_block(unsigned short *output, unsigned char *input,
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int channels);
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int ms_adpcm_decode_block(unsigned short *output, unsigned char *input,
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int channels, int block_size);
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int fox61_adpcm_decode_block(unsigned short *output, unsigned char *input);
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int fox62_adpcm_decode_block(unsigned short *output, unsigned char *input);
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#endif
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