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| 1 /* Copyright (c) 2012 Xiph.Org Foundation | 1 /* Copyright (c) 2012 Xiph.Org Foundation | 
| 2    Written by Jean-Marc Valin */ | 2    Written by Jean-Marc Valin */ | 
| 3 /* | 3 /* | 
| 4    Redistribution and use in source and binary forms, with or without | 4    Redistribution and use in source and binary forms, with or without | 
| 5    modification, are permitted provided that the following conditions | 5    modification, are permitted provided that the following conditions | 
| 6    are met: | 6    are met: | 
| 7 | 7 | 
| 8    - Redistributions of source code must retain the above copyright | 8    - Redistributions of source code must retain the above copyright | 
| 9    notice, this list of conditions and the following disclaimer. | 9    notice, this list of conditions and the following disclaimer. | 
| 10 | 10 | 
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| 80 | 80 | 
| 81 | 81 | 
| 82 #define OPUS_SET_FORCE_MODE_REQUEST    11002 | 82 #define OPUS_SET_FORCE_MODE_REQUEST    11002 | 
| 83 #define OPUS_SET_FORCE_MODE(x) OPUS_SET_FORCE_MODE_REQUEST, __opus_check_int(x) | 83 #define OPUS_SET_FORCE_MODE(x) OPUS_SET_FORCE_MODE_REQUEST, __opus_check_int(x) | 
| 84 | 84 | 
| 85 typedef void (*downmix_func)(const void *, opus_val32 *, int, int, int, int, int
     ); | 85 typedef void (*downmix_func)(const void *, opus_val32 *, int, int, int, int, int
     ); | 
| 86 void downmix_float(const void *_x, opus_val32 *sub, int subframe, int offset, in
     t c1, int c2, int C); | 86 void downmix_float(const void *_x, opus_val32 *sub, int subframe, int offset, in
     t c1, int c2, int C); | 
| 87 void downmix_int(const void *_x, opus_val32 *sub, int subframe, int offset, int 
     c1, int c2, int C); | 87 void downmix_int(const void *_x, opus_val32 *sub, int subframe, int offset, int 
     c1, int c2, int C); | 
| 88 | 88 | 
| 89 int optimize_framesize(const opus_val16 *x, int len, int C, opus_int32 Fs, | 89 int optimize_framesize(const opus_val16 *x, int len, int C, opus_int32 Fs, | 
| 90                 int bitrate, opus_val16 tonality, opus_val32 *mem, int buffering
     , | 90                 int bitrate, opus_val16 tonality, float *mem, int buffering, | 
| 91                 downmix_func downmix); | 91                 downmix_func downmix); | 
| 92 | 92 | 
| 93 int encode_size(int size, unsigned char *data); | 93 int encode_size(int size, unsigned char *data); | 
| 94 | 94 | 
| 95 opus_int32 frame_size_select(opus_int32 frame_size, int variable_duration, opus_
     int32 Fs); | 95 opus_int32 frame_size_select(opus_int32 frame_size, int variable_duration, opus_
     int32 Fs); | 
| 96 | 96 | 
| 97 opus_int32 compute_frame_size(const void *analysis_pcm, int frame_size, | 97 opus_int32 compute_frame_size(const void *analysis_pcm, int frame_size, | 
| 98       int variable_duration, int C, opus_int32 Fs, int bitrate_bps, | 98       int variable_duration, int C, opus_int32 Fs, int bitrate_bps, | 
| 99       int delay_compensation, downmix_func downmix, opus_val32 *subframe_mem); | 99       int delay_compensation, downmix_func downmix | 
|  | 100 #ifndef DISABLE_FLOAT_API | 
|  | 101       , float *subframe_mem | 
|  | 102 #endif | 
|  | 103       ); | 
| 100 | 104 | 
| 101 opus_int32 opus_encode_native(OpusEncoder *st, const opus_val16 *pcm, int frame_
     size, | 105 opus_int32 opus_encode_native(OpusEncoder *st, const opus_val16 *pcm, int frame_
     size, | 
| 102       unsigned char *data, opus_int32 out_data_bytes, int lsb_depth, | 106       unsigned char *data, opus_int32 out_data_bytes, int lsb_depth, | 
| 103       const void *analysis_pcm, opus_int32 analysis_size, int c1, int c2, int an
     alysis_channels, downmix_func downmix); | 107       const void *analysis_pcm, opus_int32 analysis_size, int c1, int c2, int an
     alysis_channels, downmix_func downmix); | 
| 104 | 108 | 
| 105 int opus_decode_native(OpusDecoder *st, const unsigned char *data, opus_int32 le
     n, | 109 int opus_decode_native(OpusDecoder *st, const unsigned char *data, opus_int32 le
     n, | 
| 106       opus_val16 *pcm, int frame_size, int decode_fec, int self_delimited, | 110       opus_val16 *pcm, int frame_size, int decode_fec, int self_delimited, | 
| 107       int *packet_offset, int soft_clip); | 111       opus_int32 *packet_offset, int soft_clip); | 
| 108 | 112 | 
| 109 /* Make sure everything's aligned to sizeof(void *) bytes */ | 113 /* Make sure everything's aligned to sizeof(void *) bytes */ | 
| 110 static inline int align(int i) | 114 static OPUS_INLINE int align(int i) | 
| 111 { | 115 { | 
| 112     return (i+(int)sizeof(void *)-1)&-(int)sizeof(void *); | 116     return (i+(int)sizeof(void *)-1)&-(int)sizeof(void *); | 
| 113 } | 117 } | 
| 114 | 118 | 
| 115 opus_int32 opus_repacketizer_out_range_impl(OpusRepacketizer *rp, int begin, int
      end, unsigned char *data, opus_int32 maxlen, int self_delimited); | 119 int opus_packet_parse_impl(const unsigned char *data, opus_int32 len, | 
|  | 120       int self_delimited, unsigned char *out_toc, | 
|  | 121       const unsigned char *frames[48], opus_int16 size[48], | 
|  | 122       int *payload_offset, opus_int32 *packet_offset); | 
|  | 123 | 
|  | 124 opus_int32 opus_repacketizer_out_range_impl(OpusRepacketizer *rp, int begin, int
      end, | 
|  | 125       unsigned char *data, opus_int32 maxlen, int self_delimited, int pad); | 
|  | 126 | 
|  | 127 int pad_frame(unsigned char *data, opus_int32 len, opus_int32 new_len); | 
| 116 | 128 | 
| 117 #endif /* OPUS_PRIVATE_H */ | 129 #endif /* OPUS_PRIVATE_H */ | 
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