diff options
Diffstat (limited to 'libavcodec/avpacket.c')
-rw-r--r-- | libavcodec/avpacket.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c index e0e4df46f2..9b549e7190 100644 --- a/libavcodec/avpacket.c +++ b/libavcodec/avpacket.c @@ -196,3 +196,19 @@ uint8_t* av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type, } return NULL; } + +int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type, + int size) +{ + int i; + + for (i = 0; i < pkt->side_data_elems; i++) { + if (pkt->side_data[i].type == type) { + if (size > pkt->side_data[i].size) + return AVERROR(ENOMEM); + pkt->side_data[i].size = size; + return 0; + } + } + return AVERROR(ENOENT); +} |