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[79.124.17.100]) by mx.google.com with ESMTP id n17-20020a05640206d100b0050c064800a9si2011428edy.100.2023.05.22.02.56.49; Mon, 22 May 2023 02:56:49 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@qq.com header.s=s201512 header.b=hHG6UYDT; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=qq.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 814A768BF6F; Mon, 22 May 2023 12:56:45 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from out203-205-251-27.mail.qq.com (out203-205-251-27.mail.qq.com [203.205.251.27]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D4B1C68BE1B for ; Mon, 22 May 2023 12:56:37 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1684749394; bh=wrOMpEx/f9fR4cJMNMeDPPiPirGdR9wUxW7B6YVnRs8=; h=From:To:Cc:Subject:Date; b=hHG6UYDTZRn2XMgYp5Ej79MUP9z8UksSRbKqhETjZf0fw3Mo4d8s4t/2PN8AzWckI RS8u0Zuvgrzk0n2KxyVUjSOLY8DZOFAxLL47AqI2h8tw4zL2glNQOInYjZKir4iSyE JvVqbmGcPZ29pKcekL7mC7mqn6Zi50bokpj4up0k= Received: from localhost.localdomain ([113.65.131.36]) by newxmesmtplogicsvrszb9-0.qq.com (NewEsmtp) with SMTP id E20BE262; Mon, 22 May 2023 17:56:32 +0800 X-QQ-mid: xmsmtpt1684749392txm66xn5o Message-ID: X-QQ-XMAILINFO: NMGzQWUSIfvTW6eFr91X8sDwA3a8CKERJslxiQLHkSjSVKAUU9XmgG/HHFdfbM mEyftwh3BitFGuugBhQ/Icgkw86JaZmH6KfOu6Tgsrp7WW/yxBUXa74z6x4tF4bkX1mro9TtscO6 XYFwE+bRfabHkUrbXMqVu2IVJK93t9yfgs85AHtnZsvjH2v1gQkfzcRDoSb84A2khczr3fPKZ/Pe R7YRXzLi4KuaP374MTOz+8hsbZWQwcxGsG/fPW1wOO0E4vf/DIH2RuT3R9hXOqyIbrycbeSdP/n0 Cm3SCf8op7Z6dwA7wy7iDbtW/gV92EPSJY7l42+I6FzwI/SefWRJzfL05cs1GDm1hLCofnDkiXZc +8/6IQe+7sQg8sFILPSlByq99s6V/MpBiHk3mkn+I/qiFD1I96GAJAP1Mup9VAN7F73IFM+OBe+p wRmB1dqYNdVjm6OWNVwQm/mSoWkWot4Qp3SV9Yo34M5yobOkLeDVM+VstUCV+QN1Owy2nQIPkBtT +dALDcInPOeIq5arR3I4jhd6KtFmQL2Ye7qqBuPq0TM+QVP96PcT3jaDidNXmNtfcxi/B8iXCzKU mnpEp5995feueHyyyhd9naPKsxbEdKK5+ot2eCobAweQf+47geR+xCJMV1aZCFIrXoRkhhZCCkR0 VX4FE/zzXvLpqNyqxyICqBiU1sWRyOF3ILNogcz339iNNRd0DbriRt79TD1yFomHTNRJ1JozRMrX MsT5+nK+T0Sqki6hX5gz60VGNhQuTjAGN5RhdwdmASY5uBm76k4aReTfZKHqHYHOhRfkyTLewvWG Zlb25TgZ8n5GM/uwYVzL+g5xQRJ0dfkMK9qD767o1Qnqq0rc7+q3zuBFchjYth0mK6RFESGEq/kF Nbi9FHROmqadpN9qXBiTTsVPhRooGDZDmMoQ/6Txuvu/S04TgAtiMGLYDDIE9lyO6XbHsGH7i65K uqmeVwPV8Lqjk8C6A8P62jrwY/GDhVuSr8gDVU1IZS/gR9jZurIzgzThiVsEOGX0Km8wNOgzc= From: xufuji456 <839789740@qq.com> To: ffmpeg-devel@ffmpeg.org Date: Mon, 22 May 2023 17:56:31 +0800 X-OQ-MSGID: <20230522095631.36338-1-839789740@qq.com> X-Mailer: git-send-email 2.32.0 (Apple Git-132) MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/mediacodecdec: add low-latency decoding X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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: xufuji456 <839789740@qq.com> Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: /JQdl8H71Imh The low-latency decoding mode has available in Android api 30. It will keep less buffer internally, and output frame as fast as possible. See https://developer.android.google.cn/reference/android/media/MediaCodec?hl=en#PARAMETER_KEY_LOW_LATENCY Signed-off-by: xufuji456 <839789740@qq.com> --- libavcodec/mediacodecdec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/mediacodecdec.c b/libavcodec/mediacodecdec.c index 21464900d1..5fece6ee5b 100644 --- a/libavcodec/mediacodecdec.c +++ b/libavcodec/mediacodecdec.c @@ -394,6 +394,10 @@ static av_cold int mediacodec_decode_init(AVCodecContext *avctx) ff_AMediaFormat_setString(format, "mime", codec_mime); ff_AMediaFormat_setInt32(format, "width", avctx->width); ff_AMediaFormat_setInt32(format, "height", avctx->height); + // low-latency mode: available in Android api 30 + if (avctx->flags & AV_CODEC_FLAG_LOW_DELAY) { + ff_AMediaFormat_setInt32(format, "low-latency", 1); + } s->ctx = av_mallocz(sizeof(*s->ctx)); if (!s->ctx) {