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avio: add more documentation for AVIOContext.

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This commit is contained in:
Anton Khirnov 2011-04-10 08:14:26 +02:00
parent 768c525114
commit d1c5fdf892
1 changed files with 13 additions and 0 deletions
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13
libavformat/avio.h
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@ -41,6 +41,11 @@
* Removal, reordering and changes to existing fields require a major
* version bump.
* sizeof(AVIOContext) must not be used outside libav*.
*
* @note None of the function pointers in AVIOContext should be called
* directly, they should only be set by the client application
* when implementing custom I/O. Normally these are set to the
* function pointers specified in avio_alloc_context()
*/
typedef struct {
unsigned char *buffer; /**< Start of the buffer. */
@ -67,7 +72,15 @@ typedef struct {
unsigned char *checksum_ptr;
unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
int error; /**< contains the error code or 0 if no error happened */
/**
* Pause or resume playback for network streaming protocols - e.g. MMS.
*/
int (*read_pause)(void *opaque, int pause);
/**
* Seek to a given timestamp in stream with the specified stream_index.
* Needed for some network streaming protocols which don't support seeking
* to byte position.
*/
int64_t (*read_seek)(void *opaque, int stream_index,
int64_t timestamp, int flags);
/**