mirror of https://github.com/FFmpeg/FFmpeg.git
Anton Khirnov
2 weeks ago
parent
8e0cceffa0
commit
8ad34e97b6
4 changed files with 29 additions and 233 deletions
@ -1,131 +0,0 @@ |
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include "libavcodec/packet.h" |
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#include "libavutil/common.h" |
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#include "libavutil/error.h" |
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#include "libavutil/frame.h" |
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#include "libavutil/mem.h" |
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#include "objpool.h" |
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struct ObjPool { |
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void *pool[32]; |
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unsigned int pool_count; |
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ObjPoolCBAlloc alloc; |
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ObjPoolCBReset reset; |
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ObjPoolCBFree free; |
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}; |
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ObjPool *objpool_alloc(ObjPoolCBAlloc cb_alloc, ObjPoolCBReset cb_reset, |
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ObjPoolCBFree cb_free) |
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{ |
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ObjPool *op = av_mallocz(sizeof(*op)); |
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if (!op) |
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return NULL; |
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op->alloc = cb_alloc; |
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op->reset = cb_reset; |
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op->free = cb_free; |
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return op; |
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} |
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void objpool_free(ObjPool **pop) |
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{ |
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ObjPool *op = *pop; |
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if (!op) |
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return; |
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for (unsigned int i = 0; i < op->pool_count; i++) |
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op->free(&op->pool[i]); |
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av_freep(pop); |
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} |
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int objpool_get(ObjPool *op, void **obj) |
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{ |
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if (op->pool_count) { |
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*obj = op->pool[--op->pool_count]; |
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op->pool[op->pool_count] = NULL; |
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} else |
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*obj = op->alloc(); |
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return *obj ? 0 : AVERROR(ENOMEM); |
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} |
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void objpool_release(ObjPool *op, void **obj) |
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{ |
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if (!*obj) |
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return; |
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op->reset(*obj); |
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if (op->pool_count < FF_ARRAY_ELEMS(op->pool)) |
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op->pool[op->pool_count++] = *obj; |
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else |
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op->free(obj); |
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*obj = NULL; |
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} |
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static void *alloc_packet(void) |
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{ |
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return av_packet_alloc(); |
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} |
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static void *alloc_frame(void) |
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{ |
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return av_frame_alloc(); |
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} |
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static void reset_packet(void *obj) |
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{ |
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av_packet_unref(obj); |
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} |
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static void reset_frame(void *obj) |
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{ |
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av_frame_unref(obj); |
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} |
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static void free_packet(void **obj) |
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{ |
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AVPacket *pkt = *obj; |
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av_packet_free(&pkt); |
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*obj = NULL; |
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} |
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static void free_frame(void **obj) |
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{ |
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AVFrame *frame = *obj; |
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av_frame_free(&frame); |
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*obj = NULL; |
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} |
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ObjPool *objpool_alloc_packets(void) |
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{ |
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return objpool_alloc(alloc_packet, reset_packet, free_packet); |
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} |
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ObjPool *objpool_alloc_frames(void) |
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{ |
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return objpool_alloc(alloc_frame, reset_frame, free_frame); |
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} |
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@ -1,37 +0,0 @@ |
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef FFTOOLS_OBJPOOL_H |
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#define FFTOOLS_OBJPOOL_H |
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typedef struct ObjPool ObjPool; |
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typedef void* (*ObjPoolCBAlloc)(void); |
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typedef void (*ObjPoolCBReset)(void *); |
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typedef void (*ObjPoolCBFree)(void **); |
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void objpool_free(ObjPool **op); |
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ObjPool *objpool_alloc(ObjPoolCBAlloc cb_alloc, ObjPoolCBReset cb_reset, |
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ObjPoolCBFree cb_free); |
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ObjPool *objpool_alloc_packets(void); |
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ObjPool *objpool_alloc_frames(void); |
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int objpool_get(ObjPool *op, void **obj); |
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void objpool_release(ObjPool *op, void **obj); |
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#endif // FFTOOLS_OBJPOOL_H
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