diff options
Diffstat (limited to 'libavcodec/internal.h')
| -rw-r--r-- | libavcodec/internal.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libavcodec/internal.h b/libavcodec/internal.h index 202f82d7e5..0daf6695e6 100644 --- a/libavcodec/internal.h +++ b/libavcodec/internal.h @@ -217,9 +217,14 @@ int avpriv_unlock_avformat(void); * avpkt->size is set to the specified size. * All other AVPacket fields will be reset with av_init_packet(). * @param size the minimum required packet size - * @param min_size the smallest the packet might be down sized to, can be set to - * 0, setting this roughly correctly allows the allocation code - * to choose between several allocation stragies to improve + * @param min_size This is a hint to the allocation algorithm, which indicates + * to what minimal size the caller might later shrink the packet + * to. Encoders often allocate packets which are larger than the + * amount of data that is written into them as the exact amount is + * not known at the time of allocation. min_size represents the + * size a packet might be shrunk to by the caller. Can be set to + * 0. setting this roughly correctly allows the allocation code + * to choose between several allocation strategies to improve * speed slightly. * @return non negative on success, negative error code on failure */ |