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45 lines
1.2 KiB
Objective-C
45 lines
1.2 KiB
Objective-C
#import <FFMpegBinding/FFMpegAVIOContext.h>
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#import "libavformat/avformat.h"
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@interface FFMpegAVIOContext () {
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AVIOContext *_impl;
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}
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@end
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@implementation FFMpegAVIOContext
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- (instancetype _Nullable)initWithBufferSize:(int32_t)bufferSize opaqueContext:(void * const)opaqueContext readPacket:(int (* _Nullable)(void * _Nullable opaque, uint8_t * _Nullable buf, int buf_size))readPacket writePacket:(int (* _Nullable)(void * _Nullable opaque, uint8_t * _Nullable buf, int buf_size))writePacket seek:(int64_t (*)(void * _Nullable opaque, int64_t offset, int whence))seek isSeekable:(bool)isSeekable {
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self = [super init];
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if (self != nil) {
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void *avIoBuffer = av_malloc(bufferSize);
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_impl = avio_alloc_context(avIoBuffer, bufferSize, 0, opaqueContext, readPacket, writePacket, seek);
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if (_impl == nil) {
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av_free(avIoBuffer);
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return nil;
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}
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_impl->direct = 1;
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if (!isSeekable) {
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_impl->seekable = 0;
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}
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}
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return self;
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}
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- (void)dealloc {
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if (_impl != nil) {
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if (_impl->buffer != nil) {
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av_free(_impl->buffer);
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}
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av_free(_impl);
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}
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}
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- (void *)impl {
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return _impl;
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}
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@end
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