AC-3 and EAC-3 are codecs whose packet sizes are known in advance, so one can use the min_size parameter of ff_alloc_packet2() to allocate exactly this amount. This avoids a memcpy later in av_packet_make_refcounted() in encode_simple_internal().
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> --- Is there actually a reason not to use av_new_packet() (or ff_get_encode_buffer()) directly? libavcodec/ac3enc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c index 4cfd0afe12..fc4d45651d 100644 --- a/libavcodec/ac3enc.c +++ b/libavcodec/ac3enc.c @@ -1759,7 +1759,8 @@ int ff_ac3_encode_frame_common_end(AVCodecContext *avctx, AVPacket *avpkt, ac3_quantize_mantissas(s); - if ((ret = ff_alloc_packet2(avctx, avpkt, s->frame_size, 0)) < 0) + ret = ff_alloc_packet2(avctx, avpkt, s->frame_size, s->frame_size); + if (ret < 0) return ret; ac3_output_frame(s, avpkt->data); -- 2.27.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".