[FFmpeg-devel] [PATCH 1/2] avcodec/setts_bsf: stop repeatedly setting values that don't change between packets

From: James Almer <jamrial@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 1/2] avcodec/setts_bsf: stop repeatedly setting values that don't change between packets
Date: Mon, 28 Feb 2022 12:49:05 -0300
Message-ID: <20220228154906.1602-1-jamrial@gmail.com> (raw)

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/setts_bsf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/setts_bsf.c b/libavcodec/setts_bsf.c
index eadc4e4d34..d574449838 100644
--- a/libavcodec/setts_bsf.c
+++ b/libavcodec/setts_bsf.c
@@ -145,6 +145,8 @@ static int setts_init(AVBSFContext *ctx)
     s->start_pts   = AV_NOPTS_VALUE;
     s->start_dts   = AV_NOPTS_VALUE;
     s->var_values[VAR_NOPTS] = AV_NOPTS_VALUE;
+    s->var_values[VAR_TB]    = ctx->time_base_in.den ? av_q2d(ctx->time_base_in) : 0;
+    s->var_values[VAR_SR]    = ctx->par_in->sample_rate;
 
     return 0;
 }
@@ -187,8 +189,6 @@ static int setts_filter(AVBSFContext *ctx, AVPacket *pkt)
     s->var_values[VAR_NEXT_DUR]    = pkt->duration;
     s->var_values[VAR_STARTPTS]    = s->start_pts;
     s->var_values[VAR_STARTDTS]    = s->start_dts;
-    s->var_values[VAR_TB]          = ctx->time_base_out.den ? av_q2d(ctx->time_base_out) : 0;
-    s->var_values[VAR_SR]          = ctx->par_in->sample_rate;
 
     new_ts = llrint(av_expr_eval(s->ts_expr, s->var_values, NULL));
     new_duration = llrint(av_expr_eval(s->duration_expr, s->var_values, NULL));
-- 
2.35.1

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