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avio: simplify url_open_dyn_buf_internal by using avio_alloc_context()

This commit is contained in:
Anton Khirnov 2011-04-03 22:55:31 +02:00
parent 724f6a0fa4
commit 8bea72f7eb
1 changed files with 6 additions and 14 deletions
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20
libavformat/aviobuf.c
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@ -1136,7 +1136,6 @@ static int64_t dyn_buf_seek(void *opaque, int64_t offset, int whence)
static int url_open_dyn_buf_internal(AVIOContext **s, int max_packet_size)
{
DynBuffer *d;
int ret;
unsigned io_buffer_size = max_packet_size ? max_packet_size : 1024;
if(sizeof(DynBuffer) + io_buffer_size < io_buffer_size)
@ -1144,23 +1143,16 @@ static int url_open_dyn_buf_internal(AVIOContext **s, int max_packet_size)
d = av_mallocz(sizeof(DynBuffer) + io_buffer_size);
if (!d)
return AVERROR(ENOMEM);
*s = av_mallocz(sizeof(AVIOContext));
d->io_buffer_size = io_buffer_size;
*s = avio_alloc_context(d->io_buffer, d->io_buffer_size, 1, d, NULL,
max_packet_size ? dyn_packet_buf_write : dyn_buf_write,
max_packet_size ? NULL : dyn_buf_seek);
if(!*s) {
av_free(d);
return AVERROR(ENOMEM);
}
d->io_buffer_size = io_buffer_size;
ret = ffio_init_context(*s, d->io_buffer, io_buffer_size,
1, d, NULL,
max_packet_size ? dyn_packet_buf_write : dyn_buf_write,
max_packet_size ? NULL : dyn_buf_seek);
if (ret == 0) {
(*s)->max_packet_size = max_packet_size;
} else {
av_free(d);
av_freep(s);
}
return ret;
(*s)->max_packet_size = max_packet_size;
return 0;
}
int avio_open_dyn_buf(AVIOContext **s)