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| author | wm4 <nfxjfg@googlemail.com> | 2017-08-17 15:01:44 +0200 |
|---|---|---|
| committer | wm4 <nfxjfg@googlemail.com> | 2017-09-01 17:56:33 +0200 |
| commit | 5d76674756806e3b458e484788775fcee34aac2a (patch) | |
| tree | 8565294bfa35d9205266e12d55fadf86926f0de4 /libavformat/avio.h | |
| parent | 877076ffa17bcf56badedc036cdc1adcd9f38b24 (diff) | |
| download | ffmpeg-5d76674756806e3b458e484788775fcee34aac2a.tar.gz | |
lavf: make avio_read_partial() public
Main use-case is proxying avio through a foreign I/O layer and a custom
AVIO context, without losing latency and performance characteristics.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Merged from Libav commit 173b56218f39c64.
Diffstat (limited to 'libavformat/avio.h')
| -rw-r--r-- | libavformat/avio.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavformat/avio.h b/libavformat/avio.h index 89ad5c04ea..f9c5972ada 100644 --- a/libavformat/avio.h +++ b/libavformat/avio.h @@ -599,6 +599,15 @@ void avio_flush(AVIOContext *s); int avio_read(AVIOContext *s, unsigned char *buf, int size); /** + * Read size bytes from AVIOContext into buf. Unlike avio_read(), this is allowed + * to read fewer bytes than requested. The missing bytes can be read in the next + * call. This always tries to read at least 1 byte. + * Useful to reduce latency in certain cases. + * @return number of bytes read or AVERROR + */ +int avio_read_partial(AVIOContext *s, unsigned char *buf, int size); + +/** * @name Functions for reading from AVIOContext * @{ * |