| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include <stdint.h> | ||
| 20 | |||
| 21 | #include "libavcodec/packet.h" | ||
| 22 | |||
| 23 | #include "libavutil/common.h" | ||
| 24 | #include "libavutil/error.h" | ||
| 25 | #include "libavutil/frame.h" | ||
| 26 | #include "libavutil/mem.h" | ||
| 27 | |||
| 28 | #include "objpool.h" | ||
| 29 | |||
| 30 | struct ObjPool { | ||
| 31 | void *pool[32]; | ||
| 32 | unsigned int pool_count; | ||
| 33 | |||
| 34 | ObjPoolCBAlloc alloc; | ||
| 35 | ObjPoolCBReset reset; | ||
| 36 | ObjPoolCBFree free; | ||
| 37 | }; | ||
| 38 | |||
| 39 | 28862 | ObjPool *objpool_alloc(ObjPoolCBAlloc cb_alloc, ObjPoolCBReset cb_reset, | |
| 40 | ObjPoolCBFree cb_free) | ||
| 41 | { | ||
| 42 | 28862 | ObjPool *op = av_mallocz(sizeof(*op)); | |
| 43 | |||
| 44 |
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28862 | if (!op) |
| 45 | ✗ | return NULL; | |
| 46 | |||
| 47 | 28862 | op->alloc = cb_alloc; | |
| 48 | 28862 | op->reset = cb_reset; | |
| 49 | 28862 | op->free = cb_free; | |
| 50 | |||
| 51 | 28862 | return op; | |
| 52 | } | ||
| 53 | |||
| 54 | 28862 | void objpool_free(ObjPool **pop) | |
| 55 | { | ||
| 56 | 28862 | ObjPool *op = *pop; | |
| 57 | |||
| 58 |
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28862 | if (!op) |
| 59 | ✗ | return; | |
| 60 | |||
| 61 |
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155564 | for (unsigned int i = 0; i < op->pool_count; i++) |
| 62 | 126702 | op->free(&op->pool[i]); | |
| 63 | |||
| 64 | 28862 | av_freep(pop); | |
| 65 | } | ||
| 66 | |||
| 67 | 1695732 | int objpool_get(ObjPool *op, void **obj) | |
| 68 | { | ||
| 69 |
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1695732 | if (op->pool_count) { |
| 70 | 1568976 | *obj = op->pool[--op->pool_count]; | |
| 71 | 1568976 | op->pool[op->pool_count] = NULL; | |
| 72 | } else | ||
| 73 | 126756 | *obj = op->alloc(); | |
| 74 | |||
| 75 |
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1695732 | return *obj ? 0 : AVERROR(ENOMEM); |
| 76 | } | ||
| 77 | |||
| 78 | 1695732 | void objpool_release(ObjPool *op, void **obj) | |
| 79 | { | ||
| 80 |
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1695732 | if (!*obj) |
| 81 | ✗ | return; | |
| 82 | |||
| 83 | 1695732 | op->reset(*obj); | |
| 84 | |||
| 85 |
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1695732 | if (op->pool_count < FF_ARRAY_ELEMS(op->pool)) |
| 86 | 1695678 | op->pool[op->pool_count++] = *obj; | |
| 87 | else | ||
| 88 | 54 | op->free(obj); | |
| 89 | |||
| 90 | 1695732 | *obj = NULL; | |
| 91 | } | ||
| 92 | |||
| 93 | 66602 | static void *alloc_packet(void) | |
| 94 | { | ||
| 95 | 66602 | return av_packet_alloc(); | |
| 96 | } | ||
| 97 | 60154 | static void *alloc_frame(void) | |
| 98 | { | ||
| 99 | 60154 | return av_frame_alloc(); | |
| 100 | } | ||
| 101 | |||
| 102 | 864603 | static void reset_packet(void *obj) | |
| 103 | { | ||
| 104 | 864603 | av_packet_unref(obj); | |
| 105 | 864603 | } | |
| 106 | 831129 | static void reset_frame(void *obj) | |
| 107 | { | ||
| 108 | 831129 | av_frame_unref(obj); | |
| 109 | 831129 | } | |
| 110 | |||
| 111 | 66602 | static void free_packet(void **obj) | |
| 112 | { | ||
| 113 | 66602 | AVPacket *pkt = *obj; | |
| 114 | 66602 | av_packet_free(&pkt); | |
| 115 | 66602 | *obj = NULL; | |
| 116 | 66602 | } | |
| 117 | 60154 | static void free_frame(void **obj) | |
| 118 | { | ||
| 119 | 60154 | AVFrame *frame = *obj; | |
| 120 | 60154 | av_frame_free(&frame); | |
| 121 | 60154 | *obj = NULL; | |
| 122 | 60154 | } | |
| 123 | |||
| 124 | 13200 | ObjPool *objpool_alloc_packets(void) | |
| 125 | { | ||
| 126 | 13200 | return objpool_alloc(alloc_packet, reset_packet, free_packet); | |
| 127 | } | ||
| 128 | 15662 | ObjPool *objpool_alloc_frames(void) | |
| 129 | { | ||
| 130 | 15662 | return objpool_alloc(alloc_frame, reset_frame, free_frame); | |
| 131 | } | ||
| 132 |