From a4ce3706595edd9b537861f0e5447e31babf2100 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Wed, 23 Mar 2022 16:15:06 +0100 Subject: [PATCH] lavc/snow: only allocate mconly_picture for decoding It is not used in the encoder. --- libavcodec/snow.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/libavcodec/snow.c b/libavcodec/snow.c index 0a500695ce..97b0448dbf 100644 --- a/libavcodec/snow.c +++ b/libavcodec/snow.c @@ -513,16 +513,20 @@ int ff_snow_common_init_after_header(AVCodecContext *avctx) { int ret, emu_buf_size; if(!s->scratchbuf) { - if ((ret = ff_get_buffer(s->avctx, s->mconly_picture, - AV_GET_BUFFER_FLAG_REF)) < 0) - return ret; + if (av_codec_is_decoder(avctx->codec)) { + if ((ret = ff_get_buffer(s->avctx, s->mconly_picture, + AV_GET_BUFFER_FLAG_REF)) < 0) + return ret; + } + emu_buf_size = FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256) * (2 * MB_SIZE + HTAPS_MAX - 1); if (!FF_ALLOCZ_TYPED_ARRAY(s->scratchbuf, FFMAX(s->mconly_picture->linesize[0], 2*avctx->width+256) * 7 * MB_SIZE) || !FF_ALLOCZ_TYPED_ARRAY(s->emu_edge_buffer, emu_buf_size)) return AVERROR(ENOMEM); } - if(s->mconly_picture->format != avctx->pix_fmt) { + if (av_codec_is_decoder(avctx->codec) && + s->mconly_picture->format != avctx->pix_fmt) { av_log(avctx, AV_LOG_ERROR, "pixel format changed\n"); return AVERROR_INVALIDDATA; }