diff options
| -rw-r--r-- | libavformat/avio_internal.h | 7 | ||||
| -rw-r--r-- | libavformat/aviobuf.c | 11 |
2 files changed, 18 insertions, 0 deletions
diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h index eb628ac493..c575df8035 100644 --- a/libavformat/avio_internal.h +++ b/libavformat/avio_internal.h @@ -172,6 +172,13 @@ int ffio_open_whitelist(AVIOContext **s, const char *url, int flags, int ffio_close_null_buf(AVIOContext *s); /** + * Reset a dynamic buffer. + * + * Resets everything, but keeps the allocated buffer for later use. + */ +void ffio_reset_dyn_buf(AVIOContext *s); + +/** * Free a dynamic buffer. * * @param s a pointer to an IO context opened by avio_open_dyn_buf() diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index c4f168e49b..85c01c938a 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -1407,6 +1407,17 @@ int avio_get_dyn_buf(AVIOContext *s, uint8_t **pbuffer) return d->size; } +void ffio_reset_dyn_buf(AVIOContext *s) +{ + DynBuffer *d = s->opaque; + int max_packet_size = s->max_packet_size; + + ffio_init_context(s, d->io_buffer, d->io_buffer_size, 1, d, NULL, + s->write_packet, s->seek); + s->max_packet_size = max_packet_size; + d->pos = d->size = 0; +} + int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer) { DynBuffer *d; |