From patchwork Fri Nov 22 08:56:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Steven X-Patchwork-Id: 16389 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id B826444AD80 for ; Fri, 22 Nov 2019 10:56:57 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 955CC68ADC6; Fri, 22 Nov 2019 10:56:57 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from smtpproxy21.qq.com (smtpbg704.qq.com [203.205.195.105]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id DF0CD68AD9E for ; Fri, 22 Nov 2019 10:56:50 +0200 (EET) X-QQ-mid: bizesmtp17t1574413001tp9v3kse Received: from localhost (unknown [47.90.47.25]) by esmtp6.qq.com (ESMTP) with id ; Fri, 22 Nov 2019 16:56:40 +0800 (CST) X-QQ-SSF: 01100000008000K0ZSF1B00A0000000 X-QQ-FEAT: UtAl/9+c/60IKqJMfaJsba1Riz83LOw/8ITePOB3BDvAy+O88soGDpB/DoVBj /LhAj6PZCjX7Q3l4WK2Qrja4pZ7pR6KNqIhJDukF0/hsupQrQBgojdq3cZbee/70QafE/Z3 4Xx3dhK6CP3wXbigs9XzQjUd1hsd9NX116kpYtDes9qGggvzjegWYK5kEdO/C4m/kxmOEXW U/I6gOMpBrXiIvKb5F1DekuJzVhQvFVY8MmL+WM/gN4/NH+G23P7pRM7uzb3J7m1qzJf+/g 8zXkHEc4QhpjOcdbU0VN5UabUS9nle0q4iseDC4Q0PXc4lSnIa4YU2GCvQdZ1BwD+Z0g== X-QQ-GoodBg: 0 From: Steven Liu To: ffmpeg-devel@ffmpeg.org Date: Fri, 22 Nov 2019 16:56:39 +0800 Message-Id: <20191122085639.14340-1-lq@chinaffmpeg.org> X-Mailer: git-send-email 2.10.1.382.ga23ca1b.dirty X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:chinaffmpeg.org:qybgforeign:qybgforeign7 X-QQ-Bgrelay: 1 Subject: [FFmpeg-devel] [PATCH 2/2] cmdutils: add show_help_protocol for get protocol options 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: Steven Liu MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Signed-off-by: Steven Liu --- fftools/cmdutils.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c index 84f98b7c04..fe18093ce1 100644 --- a/fftools/cmdutils.c +++ b/fftools/cmdutils.c @@ -1870,6 +1870,21 @@ static void show_help_demuxer(const char *name) show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM); } +static void show_help_protocol(const char *name) +{ + const URLProtocol *proto = av_find_protocol_by_name(name);; + + if (!proto) { + av_log(NULL, AV_LOG_ERROR, "Unknown protocol '%s'.\n", name); + return; + } + + printf("Protocol %s:\n", name); + + if (proto->priv_data_class) + show_help_children(proto->priv_data_class, AV_OPT_FLAG_DECODING_PARAM); +} + static void show_help_muxer(const char *name) { const AVCodecDescriptor *desc; @@ -2000,6 +2015,8 @@ int show_help(void *optctx, const char *opt, const char *arg) show_help_demuxer(par); } else if (!strcmp(topic, "muxer")) { show_help_muxer(par); + } else if (!strcmp(topic, "protocol")) { + show_help_protocol(par); #if CONFIG_AVFILTER } else if (!strcmp(topic, "filter")) { show_help_filter(par);