FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/fftools/objpool.c
Date: 2023-01-27 00:32:08
Exec Total Coverage
Lines: 50 53 94.3%
Functions: 12 12 100.0%
Branches: 10 14 71.4%

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 9046 ObjPool *objpool_alloc(ObjPoolCBAlloc cb_alloc, ObjPoolCBReset cb_reset,
40 ObjPoolCBFree cb_free)
41 {
42 9046 ObjPool *op = av_mallocz(sizeof(*op));
43
44
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9046 if (!op)
45 return NULL;
46
47 9046 op->alloc = cb_alloc;
48 9046 op->reset = cb_reset;
49 9046 op->free = cb_free;
50
51 9046 return op;
52 }
53
54 9046 void objpool_free(ObjPool **pop)
55 {
56 9046 ObjPool *op = *pop;
57
58
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9046 if (!op)
59 return;
60
61
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27758 for (unsigned int i = 0; i < op->pool_count; i++)
62 18712 op->free(&op->pool[i]);
63
64 9046 av_freep(pop);
65 }
66
67 492866 int objpool_get(ObjPool *op, void **obj)
68 {
69
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492866 if (op->pool_count) {
70 474133 *obj = op->pool[--op->pool_count];
71 474133 op->pool[op->pool_count] = NULL;
72 } else
73 18733 *obj = op->alloc();
74
75
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492866 return *obj ? 0 : AVERROR(ENOMEM);
76 }
77
78 492866 void objpool_release(ObjPool *op, void **obj)
79 {
80
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492866 if (!*obj)
81 return;
82
83 492866 op->reset(*obj);
84
85
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492866 if (op->pool_count < FF_ARRAY_ELEMS(op->pool))
86 492845 op->pool[op->pool_count++] = *obj;
87 else
88 21 op->free(obj);
89
90 492866 *obj = NULL;
91 }
92
93 16154 static void *alloc_packet(void)
94 {
95 16154 return av_packet_alloc();
96 }
97 2579 static void *alloc_frame(void)
98 {
99 2579 return av_frame_alloc();
100 }
101
102 482511 static void reset_packet(void *obj)
103 {
104 482511 av_packet_unref(obj);
105 482511 }
106 10355 static void reset_frame(void *obj)
107 {
108 10355 av_frame_unref(obj);
109 10355 }
110
111 16154 static void free_packet(void **obj)
112 {
113 16154 AVPacket *pkt = *obj;
114 16154 av_packet_free(&pkt);
115 16154 *obj = NULL;
116 16154 }
117 2579 static void free_frame(void **obj)
118 {
119 2579 AVFrame *frame = *obj;
120 2579 av_frame_free(&frame);
121 2579 *obj = NULL;
122 2579 }
123
124 6470 ObjPool *objpool_alloc_packets(void)
125 {
126 6470 return objpool_alloc(alloc_packet, reset_packet, free_packet);
127 }
128 2576 ObjPool *objpool_alloc_frames(void)
129 {
130 2576 return objpool_alloc(alloc_frame, reset_frame, free_frame);
131 }
132