diff options
Diffstat (limited to 'libavformat/avio.h')
| -rw-r--r-- | libavformat/avio.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavformat/avio.h b/libavformat/avio.h index be14e3c89d..a4041cb770 100644 --- a/libavformat/avio.h +++ b/libavformat/avio.h @@ -36,6 +36,22 @@ #define AVIO_SEEKABLE_NORMAL 0x0001 /**< Seeking works like for a local file */ /** + * Callback for checking whether to abort blocking functions. + * AVERROR_EXIT is returned in this case by the interrupted + * function. During blocking operations, callback is called with + * opaque as parameter. If the callback returns 1, the + * blocking operation will be aborted. + * + * No members can be added to this struct without a major bump, if + * new elements have been added after this struct in AVFormatContext + * or AVIOContext. + */ +typedef struct { + int (*callback)(void*); + void *opaque; +} AVIOInterruptCB; + +/** * Bytestream IO Context. * New fields can be added to the end with minor version bumps. * Removal, reordering and changes to existing fields require a major @@ -109,6 +125,7 @@ typedef struct URLContext { void *priv_data; char *filename; /**< specified URL */ int is_connected; + AVIOInterruptCB interrupt_callback; } URLContext; #define URL_PROTOCOL_FLAG_NESTED_SCHEME 1 /*< The protocol name can be the first part of a nested protocol scheme */ |