From 46bfc1562f187e3c04ea1b9baa1a1d0580530485 Mon Sep 17 00:00:00 2001 From: Jun Zhao Date: Thu, 11 Aug 2016 15:34:01 +0800 Subject: [PATCH] ffmpeg/qsv: fix QSV-accelerated transcode performance drop issue. the merge commit 1b04ea1 "avconv: create simple filtergraphs earlier" will init the filtergraphs earlier, then init the QSV transcode can't suppose the nb_filters's value, else lead to the QSV transcode performance drop. Signed-off-by: Jun Zhao Reviewed-by: Ivan Uskov --- ffmpeg_qsv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/ffmpeg_qsv.c b/ffmpeg_qsv.c index 95a2351602..acc54dd27a 100644 --- a/ffmpeg_qsv.c +++ b/ffmpeg_qsv.c @@ -210,8 +210,7 @@ int qsv_transcode_init(OutputStream *ost) /* check if the decoder supports QSV and the output only goes to this stream */ ist = input_streams[ost->source_index]; - if (ist->nb_filters || ist->hwaccel_id != HWACCEL_QSV || - !ist->dec || !ist->dec->pix_fmts) + if (ist->hwaccel_id != HWACCEL_QSV || !ist->dec || !ist->dec->pix_fmts) return 0; for (pix_fmt = ist->dec->pix_fmts; *pix_fmt != AV_PIX_FMT_NONE; pix_fmt++) if (*pix_fmt == AV_PIX_FMT_QSV)