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1 | //buffer.h: |
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2 | |
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3 | #ifndef _LIBROAR_BUFFER_H_ |
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4 | #define _LIBROAR_BUFFER_H_ |
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5 | |
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6 | #include <roaraudio.h> |
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7 | |
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8 | struct roar_buffer { |
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9 | size_t len; |
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10 | size_t user_len; |
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11 | void * data; |
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12 | void * user_data; |
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13 | void * meta; |
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14 | struct roar_buffer * next; |
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15 | }; |
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16 | |
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17 | struct roar_buffer_stats { |
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18 | int parts; |
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19 | int bytes; |
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20 | int memory_usage; |
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21 | }; |
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22 | |
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23 | #define roar_buffer_next(a) roar_buffer_delete(*(a), (a)); |
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24 | |
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25 | int roar_buffer_new (struct roar_buffer ** buf, size_t len); |
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26 | int roar_buffer_free (struct roar_buffer * buf); |
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27 | int roar_buffer_delete (struct roar_buffer * buf, struct roar_buffer ** next); |
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28 | int roar_buffer_add (struct roar_buffer * buf, struct roar_buffer * next); |
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29 | |
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30 | int roar_buffer_get_next (struct roar_buffer * buf, struct roar_buffer ** next); |
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31 | |
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32 | int roar_buffer_get_data (struct roar_buffer * buf, void ** data); |
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33 | |
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34 | int roar_buffer_set_offset (struct roar_buffer * buf, size_t off); |
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35 | |
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36 | int roar_buffer_set_meta (struct roar_buffer * buf, void * meta); |
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37 | int roar_buffer_get_meta (struct roar_buffer * buf, void ** meta); |
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38 | |
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39 | int roar_buffer_set_len (struct roar_buffer * buf, size_t len); |
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40 | int roar_buffer_get_len (struct roar_buffer * buf, size_t * len); |
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41 | |
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42 | int roar_buffer_duplicate (struct roar_buffer * buf, struct roar_buffer ** copy); |
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43 | |
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44 | int roar_buffer_ring_stats (struct roar_buffer * buf, struct roar_buffer_stats * stats); |
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45 | |
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46 | #endif |
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47 | |
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48 | //ll |
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