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avutil/buffer: separate public and internal flags inside AVBuffers

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It's better to not mix user provided flags and internal flags set by
AVBufferRef helper functions.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2020-06-01 11:22:01 -03:00
parent f2ad89beff
commit b6c8444e23
2 changed files with 10 additions and 10 deletions
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7
libavutil/buffer.c
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@@ -44,8 +44,7 @@ AVBufferRef *av_buffer_create(uint8_t *data, int size,
atomic_init(&buf->refcount, 1);
if (flags & AV_BUFFER_FLAG_READONLY)
buf->flags |= BUFFER_FLAG_READONLY;
buf->flags = flags;
ref = av_mallocz(sizeof(*ref));
if (!ref) {
@@ -185,14 +184,14 @@ int av_buffer_realloc(AVBufferRef **pbuf, int size)
return AVERROR(ENOMEM);
}
buf->buffer->flags |= BUFFER_FLAG_REALLOCATABLE;
buf->buffer->flags_internal |= BUFFER_FLAG_REALLOCATABLE;
*pbuf = buf;
return 0;
} else if (buf->size == size)
return 0;
if (!(buf->buffer->flags & BUFFER_FLAG_REALLOCATABLE) ||
if (!(buf->buffer->flags_internal & BUFFER_FLAG_REALLOCATABLE) ||
!av_buffer_is_writable(buf) || buf->data != buf->buffer->data) {
/* cannot realloc, allocate a new reallocable buffer and copy data */
AVBufferRef *new = NULL;