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[188.152.196.102]) by smtp.gmail.com with ESMTPSA id c129sm481707wmh.31.2017.05.23.03.28.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 May 2017 03:28:51 -0700 (PDT) Received: by barisone (Postfix, from userid 1000) id 00F5C1A82AB; Tue, 23 May 2017 12:28:48 +0200 (CEST) From: Stefano Sabatini To: FFmpeg development discussions and patches Date: Tue, 23 May 2017 12:28:48 +0200 Message-Id: <1495535328-32223-1-git-send-email-stefasab@gmail.com> X-Mailer: git-send-email 1.9.1 Subject: [FFmpeg-devel] [PATCH] lavc/mpegvideo_enc: allow to force low_delay by increasing strict_std_compliance X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Stefano Sabatini MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Forcing low_delay can be useful, even if not officially supported. --- libavcodec/mpegvideo_enc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index db241c8..1123788 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -671,9 +671,10 @@ FF_ENABLE_DEPRECATION_WARNINGS } if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY) { - if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO) { + if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO && + s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) { av_log(avctx, AV_LOG_ERROR, - "low delay forcing is only available for mpeg2\n"); + "low delay forcing is only available for mpeg2, increase strict_std_compliance to force it\n"); return -1; } if (s->max_b_frames != 0) {