From 7b677a25ac08940b78bf7d24908ae76757c60475 Mon Sep 17 00:00:00 2001
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From: Hertz Wang <wangh@rock-chips.com>
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Date: Mon, 29 Oct 2018 11:28:40 +0800
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Subject: [PATCH 01/11] find_codec prefer hardware capability
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Change-Id: Ib885af15b8942ea13cc1e944ab84ecb6b939ac70
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Signed-off-by: Hertz Wang <wangh@rock-chips.com>
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---
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libavcodec/allcodecs.c | 13 +++++++++----
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1 file changed, 9 insertions(+), 4 deletions(-)
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diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
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index 1b8144a..a8fa898 100644
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--- a/libavcodec/allcodecs.c
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+++ b/libavcodec/allcodecs.c
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@@ -853,7 +853,7 @@ static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
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static AVCodec *find_codec(enum AVCodecID id, int (*x)(const AVCodec *))
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{
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- const AVCodec *p, *experimental = NULL;
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+ const AVCodec *p, *experimental = NULL, *first = NULL;
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void *i = 0;
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id = remap_deprecated_codec_id(id);
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@@ -864,12 +864,17 @@ static AVCodec *find_codec(enum AVCodecID id, int (*x)(const AVCodec *))
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if (p->id == id) {
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if (p->capabilities & AV_CODEC_CAP_EXPERIMENTAL && !experimental) {
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experimental = p;
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- } else
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- return (AVCodec*)p;
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+ } else {
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+ if (!first)
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+ first = p;
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+ // prefer hardware
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+ if (p->capabilities & AV_CODEC_CAP_HARDWARE)
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+ return (AVCodec*)p;
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+ }
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}
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}
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- return (AVCodec*)experimental;
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+ return first ? (AVCodec*)first : (AVCodec*)experimental;
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}
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AVCodec *avcodec_find_encoder(enum AVCodecID id)
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--
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2.7.4
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