Jean-Marc Valin | d4e9340 | 2011-08-27 00:52:26 -0400 | [diff] [blame] | 1 | /* Copyright (c) 2011 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 FOUNDATION OR |
| 19 | 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_MULTISTREAM_H |
| 30 | #define OPUS_MULTISTREAM_H |
| 31 | |
| 32 | #include "opus.h" |
| 33 | |
| 34 | typedef struct OpusMSEncoder OpusMSEncoder; |
| 35 | typedef struct OpusMSDecoder OpusMSDecoder; |
| 36 | |
| 37 | OPUS_EXPORT OpusMSEncoder *opus_multistream_encoder_create( |
| 38 | int Fs, /* Sampling rate of input signal (Hz) */ |
| 39 | int channels, /* Number of channels (1/2) in input signal */ |
| 40 | int streams, |
| 41 | int coupled_streams, |
| 42 | unsigned char *mapping, |
Jean-Marc Valin | 9d48deb | 2011-08-29 09:56:14 -0400 | [diff] [blame] | 43 | int application, /* Coding mode (OPUS_APPLICATION_VOIP/OPUS_APPLICATION_AUDIO) */ |
| 44 | int *error /* Error code */ |
Jean-Marc Valin | d4e9340 | 2011-08-27 00:52:26 -0400 | [diff] [blame] | 45 | ); |
| 46 | |
| 47 | OPUS_EXPORT int opus_multistream_encoder_init( |
| 48 | OpusMSEncoder *st, /* Encoder state */ |
| 49 | int Fs, /* Sampling rate of input signal (Hz) */ |
| 50 | int channels, /* Number of channels (1/2) in input signal */ |
| 51 | int streams, |
| 52 | int coupled_streams, |
| 53 | unsigned char *mapping, |
| 54 | int application /* Coding mode (OPUS_APPLICATION_VOIP/OPUS_APPLICATION_AUDIO) */ |
| 55 | ); |
| 56 | |
| 57 | /* Returns length of the data payload (in bytes) */ |
| 58 | OPUS_EXPORT int opus_multistream_encode( |
| 59 | OpusMSEncoder *st, /* Encoder state */ |
| 60 | const opus_int16 *pcm, /* Input signal (interleaved if 2 channels). length is frame_size*channels */ |
| 61 | int frame_size, /* Number of samples per frame of input signal */ |
| 62 | unsigned char *data, /* Output payload (no more than max_data_bytes long) */ |
| 63 | int max_data_bytes /* Allocated memory for payload; don't use for controlling bitrate */ |
| 64 | ); |
| 65 | |
| 66 | /* Returns length of the data payload (in bytes) */ |
| 67 | OPUS_EXPORT int opus_multistream_encode_float( |
| 68 | OpusMSEncoder *st, /* Encoder state */ |
| 69 | const float *pcm, /* Input signal (interleaved if 2 channels). length is frame_size*channels */ |
| 70 | int frame_size, /* Number of samples per frame of input signal */ |
| 71 | unsigned char *data, /* Output payload (no more than max_data_bytes long) */ |
| 72 | int max_data_bytes /* Allocated memory for payload; don't use for controlling bitrate */ |
| 73 | ); |
| 74 | |
| 75 | OPUS_EXPORT void opus_multistream_encoder_destroy(OpusMSEncoder *st); |
| 76 | |
| 77 | OPUS_EXPORT int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...); |
| 78 | |
| 79 | OPUS_EXPORT OpusMSDecoder *opus_multistream_decoder_create( |
| 80 | int Fs, /* Sampling rate of input signal (Hz) */ |
| 81 | int channels, /* Number of channels (1/2) in input signal */ |
| 82 | int streams, |
| 83 | int coupled_streams, |
Jean-Marc Valin | 9d48deb | 2011-08-29 09:56:14 -0400 | [diff] [blame] | 84 | unsigned char *mapping, |
| 85 | int *error /* Error code */ |
Jean-Marc Valin | d4e9340 | 2011-08-27 00:52:26 -0400 | [diff] [blame] | 86 | ); |
| 87 | |
| 88 | OPUS_EXPORT int opus_multistream_decoder_init( |
| 89 | OpusMSDecoder *st, /* Encoder state */ |
| 90 | int Fs, /* Sampling rate of input signal (Hz) */ |
| 91 | int channels, /* Number of channels (1/2) in input signal */ |
| 92 | int streams, |
| 93 | int coupled_streams, |
| 94 | unsigned char *mapping |
| 95 | ); |
| 96 | |
| 97 | /* Returns the number of samples decoded or a negative error code */ |
| 98 | OPUS_EXPORT int opus_multistream_decode( |
| 99 | OpusMSDecoder *st, /* Decoder state */ |
| 100 | const unsigned char *data, /* Input payload. Use a NULL pointer to indicate packet loss */ |
| 101 | int len, /* Number of bytes in payload */ |
| 102 | opus_int16 *pcm, /* Output signal (interleaved if 2 channels). length is frame_size*channels */ |
| 103 | int frame_size, /* Number of samples per frame of input signal */ |
| 104 | int decode_fec /* Flag (0/1) to request that any in-band forward error correction data be */ |
| 105 | /* decoded. If no such data is available the frame is decoded as if it were lost. */ |
| 106 | ); |
| 107 | |
| 108 | /* Returns the number of samples decoded or a negative error code */ |
| 109 | OPUS_EXPORT int opus_multistream_decode_float( |
| 110 | OpusMSDecoder *st, /* Decoder state */ |
| 111 | const unsigned char *data, /* Input payload. Use a NULL pointer to indicate packet loss */ |
| 112 | int len, /* Number of bytes in payload */ |
| 113 | float *pcm, /* Output signal (interleaved if 2 channels). length is frame_size*channels */ |
| 114 | int frame_size, /* Number of samples per frame of input signal */ |
| 115 | int decode_fec /* Flag (0/1) to request that any in-band forward error correction data be */ |
| 116 | /* decoded. If no such data is available the frame is decoded as if it were lost. */ |
| 117 | ); |
| 118 | |
| 119 | OPUS_EXPORT int opus_multistream_decoder_ctl(OpusMSDecoder *st, int request, ...); |
| 120 | |
| 121 | OPUS_EXPORT void opus_multistream_decoder_destroy(OpusMSDecoder *st); |
| 122 | |
| 123 | #endif /* OPUS_MULTISTREAM_H */ |