1 /* Copyright (c) 2012 Xiph.Org Foundation 2 Written by Jean-Marc Valin */ 3 /* 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 8 - Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 11 - Redistributions in binary form must reproduce the above copyright 12 notice, this list of conditions and the following disclaimer in the 13 documentation and/or other materials provided with the distribution. 14 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 19 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 23 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 24 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 29 #ifndef OPUS_PRIVATE_H 30 #define OPUS_PRIVATE_H 31 32 #include "arch.h" 33 #include "opus.h" 34 35 struct OpusRepacketizer { 36 unsigned char toc; 37 int nb_frames; 38 const unsigned char *frames[48]; 39 short len[48]; 40 int framesize; 41 }; 42 43 44 #define MODE_SILK_ONLY 1000 45 #define MODE_HYBRID 1001 46 #define MODE_CELT_ONLY 1002 47 48 #define OPUS_SET_VOICE_RATIO_REQUEST 11018 49 #define OPUS_GET_VOICE_RATIO_REQUEST 11019 50 51 /** Configures the encoder's expected percentage of voice 52 * opposed to music or other signals. 53 * 54 * @note This interface is currently more aspiration than actuality. It's 55 * ultimately expected to bias an automatic signal classifier, but it currently 56 * just shifts the static bitrate to mode mapping around a little bit. 57 * 58 * @param[in] x <tt>int</tt>: Voice percentage in the range 0-100, inclusive. 59 * @hideinitializer */ 60 #define OPUS_SET_VOICE_RATIO(x) OPUS_SET_VOICE_RATIO_REQUEST, __opus_check_int(x) 61 /** Gets the encoder's configured voice ratio value, @see OPUS_SET_VOICE_RATIO 62 * 63 * @param[out] x <tt>int*</tt>: Voice percentage in the range 0-100, inclusive. 64 * @hideinitializer */ 65 #define OPUS_GET_VOICE_RATIO(x) OPUS_GET_VOICE_RATIO_REQUEST, __opus_check_int_ptr(x) 66 67 68 #define OPUS_SET_FORCE_MODE_REQUEST 11002 69 #define OPUS_SET_FORCE_MODE(x) OPUS_SET_FORCE_MODE_REQUEST, __opus_check_int(x) 70 71 72 int encode_size(int size, unsigned char *data); 73 74 int opus_decode_native(OpusDecoder *st, const unsigned char *data, opus_int32 len, 75 opus_val16 *pcm, int frame_size, int decode_fec, int self_delimited, int *packet_offset); 76 77 /* Make sure everything's aligned to sizeof(void *) bytes */ 78 static inline int align(int i) 79 { 80 return (i+sizeof(void *)-1)&-((int)sizeof(void *)); 81 } 82 83 opus_int32 opus_repacketizer_out_range_impl(OpusRepacketizer *rp, int begin, int end, unsigned char *data, opus_int32 maxlen, int self_delimited); 84 85 #endif /* OPUS_PRIVATE_H */ 86