From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 4F73A465A3 for ; Mon, 22 May 2023 06:53:00 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 2DC0668C109; Mon, 22 May 2023 09:52:58 +0300 (EEST) Received: from out162-62-57-64.mail.qq.com (out162-62-57-64.mail.qq.com [162.62.57.64]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 61DEA68BF43 for ; Mon, 22 May 2023 09:52:50 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1684738366; bh=SgiShXb76ORl9v6wlerPd7vH0lfpsag8TOcOqSoL4Ro=; h=From:To:Cc:Subject:Date; b=Xqg0ADuQqmvaBvSZbby+8bZV5ytw2JTmtUxEpOWpqsheNftvW4zkOPcQf+RZ3RuO6 C+BIHQrG3Odg348LUrbVEwbfXwOU5v0Ty5GVypd9poyo6NVj6mmwncNaeLMDFHPd5h F+kWddpdIdiipEcQbs0calTHfiGaLB0WPVbocWIs= Received: from localhost.localdomain ([113.65.131.36]) by newxmesmtplogicsvrszb9-0.qq.com (NewEsmtp) with SMTP id D2B8CCBB; Mon, 22 May 2023 14:52:43 +0800 X-QQ-mid: xmsmtpt1684738363tk0w3f2sh Message-ID: X-QQ-XMAILINFO: MmpliBmRb3iC7G7Ji9mVc5iB9UhnpSboiygwgLbUixe0ysEh1OXHv0cWOyR1b4 4FPBjsMP0V1FYExqa61coIoTe4wwrizVStB1HE7Zmp/m+M4FI7lA6hHru2wSjU3tX7LgkjIwcOaE wiSxmN9MJPOLbx7ZfhfeLFA0r2bvFrvjbLteAxw2UXbwRjM7b0+5+caxqT/lVQ2VRshAYzT6lKfn wn8gQiOcvBk2QRioB8Dqes2FBmbh2xM7gHOzrCtHTb83zweG61M+ZAa2l1iO2+ytIMj+Uu6KeCh2 psQJTQ7QXK8LwT85G2fl2nYaU45F4BPEeLZ5tFke+Ny0pEXKyvm9b6cvGlxMNKw84P/HyIN2L9pa e6PMdl0PdsWrl0CrxHzgvxoqo9UpKdIFZXl5ET/HfDsfdh4ZDeTUB79pF/NtuZ1poA86+zZHcuwD lUB326dD++WOml9RPMEDAvyNS93T7xSaMBjdpTLBNM5rqfgaACnI/3ySS/OP2SWrzI9+tKiCRS0Y yb3Z7jdebMkJNVU5OwYQuTCYWm+e66pqFihhJAe7xxLOu5KYuEfB5gigAs+kt6xz8sQIN4Dfy3ki sxZ34C6ITvuJQihrv9BQyol3EgvMxkrS7mc6NOYYrsp8vkVb9XBtUqXlYnpsm+n//A/EYZWEZhXC nzMGZKViiIgY7YabGXi/j5F6omx+Q6gpjjJ++znM5ug95GEKea3RPU0GTaJXDFHpimxenF6eIGLt kud0ntS4M5gVaiIEYJhV6Dp9bJhzz08Nofj++Gt/WpXIPmv736+6JG2FeQzvKsyRef1JVhpQzaKB nU7AHh08OjSvlrW8GMb0ydbGJhx6+be/rmXu4z7w60gH6qbrJ/fQnSAQlmuEi8X2T2cZ8SeEPyks rUyStUh75rw1XA+BpZAmFj12EN0YxMe3hvvwggLhnjU87UWEfxrKRp8mygd43NlkysATOlwXM2Nt NsfK4SKQux+xqvEVWsXf9o8HfEMtfK2Cg37/exQfzgRra/7Q/GG8up41pxCOf1N2vh7mHHQbo= From: xufuji456 <839789740@qq.com> To: ffmpeg-devel@ffmpeg.org Date: Mon, 22 May 2023 14:52:41 +0800 X-OQ-MSGID: <20230522065241.26893-1-839789740@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> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: The low-latency decoding mode has available in Android api 30. 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 | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libavcodec/mediacodecdec.c b/libavcodec/mediacodecdec.c index 21464900d1..52c30e1173 100644 --- a/libavcodec/mediacodecdec.c +++ b/libavcodec/mediacodecdec.c @@ -395,6 +395,12 @@ static av_cold int mediacodec_decode_init(AVCodecContext *avctx) ff_AMediaFormat_setInt32(format, "width", avctx->width); ff_AMediaFormat_setInt32(format, "height", avctx->height); + sdk_int = ff_Build_SDK_INT(avctx); + // low-latency mode: available in Android api 30 + if (sdk_int >= 30 && (avctx->flags & AV_CODEC_FLAG_LOW_DELAY)) { + ff_AMediaFormat_setInt32(format, "low-latency", 1); + } + s->ctx = av_mallocz(sizeof(*s->ctx)); if (!s->ctx) { av_log(avctx, AV_LOG_ERROR, "Failed to allocate MediaCodecDecContext\n"); @@ -414,7 +420,6 @@ static av_cold int mediacodec_decode_init(AVCodecContext *avctx) "MediaCodec started successfully: codec = %s, ret = %d\n", s->ctx->codec_name, ret); - sdk_int = ff_Build_SDK_INT(avctx); /* ff_Build_SDK_INT can fail when target API < 24 and JVM isn't available. * If we don't check sdk_int > 0, the workaround might be enabled by * mistake. -- 2.32.0 (Apple Git-132) _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".