[1b86a8b] | 1 | |
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| 2 | |
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| 3 | #include "aubio_priv.h" |
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| 4 | #include "fvec.h" |
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| 5 | #include "utils/ringbuffer.h" |
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| 6 | #include <assert.h> |
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| 7 | |
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| 8 | struct _aubio_ringbuffer_t |
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| 9 | { |
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| 10 | uint_t maxwrite; |
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| 11 | uint_t maxrequest; |
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| 12 | fvec_t *buffer; |
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| 13 | uint_t write_pos; |
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| 14 | uint_t read_pos; |
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| 15 | sint_t available; |
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| 16 | }; |
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| 17 | |
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| 18 | aubio_ringbuffer_t * new_aubio_ringbuffer(uint_t maxwrite, uint_t maxrequest) |
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| 19 | { |
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| 20 | aubio_ringbuffer_t *p = AUBIO_NEW (aubio_ringbuffer_t); |
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| 21 | p->maxwrite = maxwrite; |
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| 22 | p->maxrequest = maxrequest; |
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| 23 | //p->buffer = new_fvec(MAX(maxwrite, maxrequest)); |
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| 24 | p->buffer = new_fvec(maxwrite + maxrequest); |
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| 25 | p->write_pos = p->read_pos = p->available = 0; |
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| 26 | return p; |
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| 27 | } |
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| 28 | |
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| 29 | uint_t aubio_ringbuffer_push(aubio_ringbuffer_t *o, fvec_t *input, uint_t write) { |
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| 30 | if ((sint_t)o->buffer->length < o->available + (sint_t)write) { |
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| 31 | AUBIO_ERR("ringbuffer: push: writing %d but capacity is %d and %d are available\n", |
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| 32 | write, o->buffer->length, o->available); |
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| 33 | return AUBIO_FAIL; |
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| 34 | } |
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| 35 | if (write > o->maxwrite) { |
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| 36 | AUBIO_ERR("ringbuffer: push: trying to write %d but maxwrite is %d\n", |
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| 37 | write, o->maxwrite); |
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| 38 | return AUBIO_FAIL; |
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| 39 | } else |
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| 40 | if (write > input->length) { |
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| 41 | AUBIO_ERR("ringbuffer: push: trying to write %d, but input vector is %d long\n", |
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| 42 | write, input->length); |
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| 43 | return AUBIO_FAIL; |
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| 44 | } else |
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| 45 | if (o->write_pos + write <= o->buffer->length) { |
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| 46 | // write everything at once |
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| 47 | fvec_t tmp; tmp.data = o->buffer->data + o->write_pos; tmp.length = write; |
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| 48 | fvec_t tmpin; tmpin.data = input->data; tmpin.length = write; |
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[128589e] | 49 | //assert(tmpin.length == tmp.length); |
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[1b86a8b] | 50 | fvec_copy(&tmpin, &tmp); |
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| 51 | |
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| 52 | //AUBIO_WRN("ringbuffer: push1: changing write_pos from %d\n", o->write_pos); |
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| 53 | o->write_pos = (o->write_pos % o->buffer->length); |
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| 54 | o->write_pos += write; |
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| 55 | o->available += write; |
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| 56 | //AUBIO_WRN("ringbuffer: push1: changed write_pos to %d\n", o->write_pos); |
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| 57 | |
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| 58 | //AUBIO_WRN("ringbuffer: push1: wrote %d, %d available\n", write, |
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| 59 | // o->available); |
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| 60 | |
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| 61 | return AUBIO_OK; |
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| 62 | } else { |
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| 63 | // write in two folds |
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| 64 | uint_t remaining = o->buffer->length - o->write_pos; |
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| 65 | fvec_t tmp, tmpin; |
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| 66 | // write end |
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| 67 | if (remaining) { |
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| 68 | tmp.data = o->buffer->data + o->write_pos; |
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| 69 | tmp.length = remaining; |
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| 70 | tmpin.data = input->data; |
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| 71 | tmpin.length = remaining; |
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[128589e] | 72 | //assert(tmpin.length == tmp.length); |
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[1b86a8b] | 73 | fvec_copy(&tmpin, &tmp); |
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| 74 | } |
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| 75 | // write start |
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| 76 | tmp.data = o->buffer->data; |
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| 77 | tmp.length = write - remaining; |
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| 78 | tmpin.data = input->data + remaining; |
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| 79 | tmpin.length = write - remaining; |
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[128589e] | 80 | //assert(tmpin.length == tmp.length); |
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[1b86a8b] | 81 | fvec_copy(&tmpin, &tmp); |
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| 82 | //AUBIO_WRN("ringbuffer: push2: changing write_pos from %d\n", o->write_pos); |
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| 83 | o->write_pos += write; |
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| 84 | o->write_pos = (o->write_pos % o->buffer->length); |
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| 85 | o->available += write; |
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| 86 | //AUBIO_WRN("ringbuffer: push2: changed write_pos to %d\n", o->write_pos); |
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| 87 | |
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| 88 | //AUBIO_WRN("ringbuffer: push2: wrote %d, %d available\n", write, |
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| 89 | // o->available); |
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| 90 | |
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| 91 | return AUBIO_OK; |
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| 92 | } |
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| 93 | } |
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| 94 | |
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| 95 | uint_t aubio_ringbuffer_pull(aubio_ringbuffer_t *o, fvec_t *output, uint_t request) { |
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[128589e] | 96 | if (o->available < (sint_t)request) { |
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[1b86a8b] | 97 | AUBIO_ERR("ringbuffer: pull: requested %d but %d available\n", |
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| 98 | request, o->available); |
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| 99 | return AUBIO_FAIL; |
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| 100 | } |
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| 101 | if (request > o->maxrequest) { |
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| 102 | AUBIO_ERR("ringbuffer: pull: trying to request %d but maxrequest is %d\n", |
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| 103 | request, o->maxrequest); |
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| 104 | return AUBIO_FAIL; |
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| 105 | } else |
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| 106 | if (request > output->length) { |
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| 107 | AUBIO_ERR("ringbuffer: pull: trying to request %d, but output vector is %d long\n", |
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| 108 | request, output->length); |
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| 109 | return AUBIO_FAIL; |
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| 110 | } else |
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| 111 | if (o->read_pos + request <= o->buffer->length) { |
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| 112 | // read everything at once |
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| 113 | fvec_t tmp; tmp.data = o->buffer->data + o->read_pos; tmp.length = request; |
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| 114 | fvec_t tmpout; tmpout.data = output->data; tmpout.length = request; |
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[128589e] | 115 | //assert(tmpout.length == tmp.length); |
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[1b86a8b] | 116 | fvec_copy(&tmp, &tmpout); |
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| 117 | //AUBIO_WRN("ringbuffer: pull1: changing read_pos from %d\n", o->read_pos); |
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| 118 | o->read_pos += request; |
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| 119 | o->read_pos %= o->buffer->length; |
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| 120 | o->available -= request; |
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| 121 | //AUBIO_WRN("ringbuffer: pull1: read %d, %d available\n", request, |
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| 122 | // o->available); |
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| 123 | //AUBIO_WRN("ringbuffer: pull1: changed read_pos to %d\n", o->read_pos); |
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| 124 | return AUBIO_OK; |
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| 125 | } else { |
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| 126 | // read in two folds |
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| 127 | uint_t remaining = o->buffer->length - o->read_pos; |
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| 128 | fvec_t tmp, tmpout; |
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| 129 | tmp.data = o->buffer->data + o->read_pos; |
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| 130 | tmp.length = remaining; |
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| 131 | tmpout.data = output->data; |
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| 132 | tmpout.length = remaining; |
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[128589e] | 133 | //assert(tmpout.length == tmp.length); |
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[1b86a8b] | 134 | fvec_copy(&tmpout, &tmp); |
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| 135 | // write start |
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| 136 | tmp.data = o->buffer->data; |
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| 137 | tmp.length = request - remaining; |
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| 138 | tmpout.data = output->data + remaining; |
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| 139 | tmpout.length = request - remaining; |
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[128589e] | 140 | //assert(tmpout.length == tmp.length); |
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[1b86a8b] | 141 | fvec_copy(&tmp, &tmpout); |
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| 142 | //AUBIO_WRN("ringbuffer: pull2: changing read_pos from %d\n", o->read_pos); |
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| 143 | o->read_pos += request; |
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| 144 | o->read_pos %= o->buffer->length; |
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| 145 | o->available -= request; |
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| 146 | //AUBIO_WRN("ringbuffer: pull2: changed read_pos to %d\n", o->read_pos); |
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| 147 | //AUBIO_WRN("ringbuffer: pull2: read %d, %d available\n", request, |
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| 148 | // o->available); |
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| 149 | return AUBIO_OK; |
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| 150 | } |
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| 151 | } |
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| 152 | |
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| 153 | uint_t aubio_ringbuffer_reset(aubio_ringbuffer_t *o) { |
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| 154 | o->read_pos = o->write_pos = 0; |
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| 155 | o->available = 0; |
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| 156 | return AUBIO_OK; |
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| 157 | } |
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| 158 | |
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| 159 | sint_t aubio_ringbuffer_get_available(aubio_ringbuffer_t *o) { |
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| 160 | //AUBIO_WRN("ringbuffer: got %d available (%d ... %d)\n", |
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| 161 | // o->available, o->read_pos, o->write_pos); |
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| 162 | return o->available; |
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| 163 | } |
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| 164 | |
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| 165 | void del_aubio_ringbuffer(aubio_ringbuffer_t *o) { |
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| 166 | del_fvec(o->buffer); |
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| 167 | AUBIO_FREE(o); |
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| 168 | } |
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