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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-06-30 18:18:13 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-07-04 19:13:38 +0200 |
| commit | 186ec1784336df11df48e646595e2ec646f82329 (patch) | |
| tree | 517c54149f39834c172b7d00369002755a5fedc8 /libavformat/avio_internal.h | |
| parent | 2ca48e466675a8a3630061cd2c15325eab8eda97 (diff) | |
| download | ffmpeg-186ec1784336df11df48e646595e2ec646f82329.tar.gz | |
avformat/aviobuf: Add ffio_ensure_seekback()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/avio_internal.h')
| -rw-r--r-- | libavformat/avio_internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h index cf3676402b..311e297e9a 100644 --- a/libavformat/avio_internal.h +++ b/libavformat/avio_internal.h @@ -71,6 +71,15 @@ uint64_t ffio_read_varlen(AVIOContext *bc); /** @warning must be called before any I/O */ int ffio_set_buf_size(AVIOContext *s, int buf_size); +/** + * Ensures that the requested seekback buffer size will be available + * + * Will ensure that when reading sequentially up to buf_size, seeking + * within the current pos and pos+buf_size is possible. + * Once the stream position moves outside this window this gurantee is lost. + */ +int ffio_ensure_seekback(AVIOContext *s, int buf_size); + int ffio_limit(AVIOContext *s, int size); void ffio_init_checksum(AVIOContext *s, |