From f7e85ee996b3886c2b13e928b83277382311af96 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Wed, 1 Jan 2014 20:03:05 +0100 Subject: [PATCH] lavc: allow the caller to override dimensions in ff_get_buffer() This will be useful for allocating edges in the encoders. --- libavcodec/utils.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 1b29b1b884..ed68d0f555 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -572,12 +572,16 @@ FF_ENABLE_DEPRECATION_WARNINGS int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags) { + int override_dimensions = 1; int ret; switch (avctx->codec_type) { case AVMEDIA_TYPE_VIDEO: - frame->width = FFMAX(avctx->width, avctx->coded_width); - frame->height = FFMAX(avctx->height, avctx->coded_height); + if (frame->width <= 0 || frame->height <= 0) { + frame->width = FFMAX(avctx->width, avctx->coded_width); + frame->height = FFMAX(avctx->height, avctx->coded_height); + override_dimensions = 0; + } if (frame->format < 0) frame->format = avctx->pix_fmt; if (!frame->sample_aspect_ratio.num) @@ -738,7 +742,7 @@ FF_ENABLE_DEPRECATION_WARNINGS ret = avctx->get_buffer2(avctx, frame, flags); - if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { + if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) { frame->width = avctx->width; frame->height = avctx->height; } -- 2.11.0