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From ef86b05da8ad38c9c83e6f075536635647e6b799 Mon Sep 17 00:00:00 2001
From: Rainer Hochecker <fernetmenta@online.de>
Date: Thu, 12 Mar 2015 12:49:48 +0100
Subject: [PATCH] hevc: avoid unnecessary calls to get_format
Patch part of the XBMC patch set for ffmpeg, downloaded from
https://github.com/xbmc/FFmpeg/.
Upstream status: committed to master
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=786032cad8ecabe577d9cff0356da6e9e9488a2d
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
libavcodec/hevc.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index b7ad29a..77b0c0c 100644
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -280,7 +280,7 @@ static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb)
return 0;
}
-static int set_sps(HEVCContext *s, const HEVCSPS *sps)
+static int set_sps(HEVCContext *s, const HEVCSPS *sps, enum AVPixelFormat pix_fmt)
{
#define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL)
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
@@ -304,13 +304,18 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps)
#endif
}
- *fmt++ = sps->pix_fmt;
- *fmt = AV_PIX_FMT_NONE;
+ if (pix_fmt == AV_PIX_FMT_NONE) {
+ *fmt++ = sps->pix_fmt;
+ *fmt = AV_PIX_FMT_NONE;
- ret = ff_thread_get_format(s->avctx, pix_fmts);
- if (ret < 0)
- goto fail;
- s->avctx->pix_fmt = ret;
+ ret = ff_thread_get_format(s->avctx, pix_fmts);
+ if (ret < 0)
+ goto fail;
+ s->avctx->pix_fmt = ret;
+ }
+ else {
+ s->avctx->pix_fmt = pix_fmt;
+ }
ff_set_sar(s->avctx, sps->vui.sar);
@@ -420,7 +425,7 @@ static int hls_slice_header(HEVCContext *s)
sh->no_output_of_prior_pics_flag = 0;
}
ff_hevc_clear_refs(s);
- ret = set_sps(s, s->sps);
+ ret = set_sps(s, s->sps, AV_PIX_FMT_NONE);
if (ret < 0)
return ret;
@@ -3335,7 +3340,7 @@ static int hevc_update_thread_context(AVCodecContext *dst,
}
if (s->sps != s0->sps)
- if ((ret = set_sps(s, s0->sps)) < 0)
+ if ((ret = set_sps(s, s0->sps, src->pix_fmt)) < 0)
return ret;
s->seq_decode = s0->seq_decode;
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