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[79.124.17.100]) by mx.google.com with ESMTP id v9-20020a170906488900b009a19ed38f2fsi1960013ejq.398.2023.08.27.19.01.06; Sun, 27 Aug 2023 19:01:07 -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; 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 Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 724B768C613; Mon, 28 Aug 2023 05:00:54 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from bg4.exmail.qq.com (bg4.exmail.qq.com [43.155.65.254]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 02A4D68BE34 for ; Mon, 28 Aug 2023 05:00:46 +0300 (EEST) X-QQ-mid: bizesmtp85t1693188042t920hdzj Received: from localhost ( [103.102.203.200]) by bizesmtp.qq.com (ESMTP) with id ; Mon, 28 Aug 2023 10:00:40 +0800 (CST) X-QQ-SSF: 01100000000000Z0Z000000A0000000 X-QQ-FEAT: dFVR8TEWHmt0+qWA3jwioH3rjTt9FTzj2IgCa25W+bobLuT819LIM63cifRqI bbSJz+GpPeKcDfRC4BvQxF8F64ouBHmjW5Q4TeQ2+z6bWVycR4ZQGl+LuX+AY54aeU+FC9C gh4oneZWBOeypL3lC8nb9Jlrw8s9nhLr4ZtnW7RITJfTta2ZbjrA4I9Crz+0+BhP31SpmnJ gMIN94Z+s2nXgRsmZiFjaQ0Z1YH9cnpIbG8zBwny7FVS4a4577JmmAYKekByU7MxIruHOVS Qb7aGTAfeD6OhOwgwvXgT+NYNclJHNUZXVEVpTFB+OuzSwmNm4dqJe9n7ZUSIKEvDye+eAw aLv7D92PIknxkwhdMvNc3DgbQabVvrWRneatQYG2Mx+QAGuD0k= X-QQ-GoodBg: 0 X-BIZMAIL-ID: 9361067446484523045 From: Steven Liu To: ffmpeg-devel@ffmpeg.org Date: Mon, 28 Aug 2023 10:00:35 +0800 Message-Id: <20230828020035.83831-2-lq@chinaffmpeg.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230828020035.83831-1-lq@chinaffmpeg.org> References: <20230828020035.83831-1-lq@chinaffmpeg.org> MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:chinaffmpeg.org:qybglogicsvrsz:qybglogicsvrsz3a-0 Subject: [FFmpeg-devel] [PATCH v4 2/2] avformat/rtmpproto: support enhanced rtmp 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: Steven Liu Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: 5vleA7eyMYfk add option named rtmp_enhanced_codec, it would support hvc1,av01,vp09 now, the fourcc is using Array of strings. Signed-off-by: Steven Liu --- doc/protocols.texi | 11 +++++++++++ libavformat/rtmpproto.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+) diff --git a/doc/protocols.texi b/doc/protocols.texi index b3fad55591..c7637c11c9 100644 --- a/doc/protocols.texi +++ b/doc/protocols.texi @@ -896,6 +896,17 @@ be named, by prefixing the type with 'N' and specifying the name before the value (i.e. @code{NB:myFlag:1}). This option may be used multiple times to construct arbitrary AMF sequences. +@item rtmp_enhanced_codecs +Specify the list of codecs the client advertises to support in an +enhanced RTMP stream. This option should be set to a comma separated +list of fourcc values, like @code{hvc1,av01,vp09} for multiple codecs +or @code{hvc1} for only one codec. The specified list will be presented +in the "fourCcLive" property of the Connect Command Message. + +This option should set a string like @code{hvc1,av01,vp09} +for multiple codecs, or @code{hvc1} for only one codec, +set codec fourcc into fourCcLive property into Connect Command Message, + @item rtmp_flashver Version of the Flash plugin used to run the SWF player. The default is LNX 9,0,124,2. (When publishing, the default is FMLE/3.0 (compatible; diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c index f0ef223f05..98718bc6da 100644 --- a/libavformat/rtmpproto.c +++ b/libavformat/rtmpproto.c @@ -127,6 +127,7 @@ typedef struct RTMPContext { int nb_streamid; ///< The next stream id to return on createStream calls double duration; ///< Duration of the stream in seconds as returned by the server (only valid if non-zero) int tcp_nodelay; ///< Use TCP_NODELAY to disable Nagle's algorithm if set to 1 + char *enhanced_codecs; ///< codec list in enhanced rtmp char username[50]; char password[50]; char auth_params[500]; @@ -336,6 +337,38 @@ static int gen_connect(URLContext *s, RTMPContext *rt) ff_amf_write_field_name(&p, "app"); ff_amf_write_string2(&p, rt->app, rt->auth_params); + if (rt->enhanced_codecs) { + uint32_t list_len = 0; + char *fourcc_data = rt->enhanced_codecs; + int fourcc_str_len = strlen(fourcc_data); + + // check the string, fourcc + ',' + ... + end fourcc correct length should be (4+1)*n+4 + if ((fourcc_str_len + 1) % 5 != 0) { + av_log(s, AV_LOG_ERROR, "Malformed rtmp_enhanched_codecs, " + "should be of the form hvc1[,av01][,vp09][,...]\n"); + return AVERROR(EINVAL); + } + + list_len = (fourcc_str_len + 1) / 5; + ff_amf_write_field_name(&p, "fourCcList"); + ff_amf_write_array_start(&p, list_len); + + while(fourcc_data - rt->enhanced_codecs < fourcc_str_len) { + unsigned char fourcc[5]; + if (!strncmp(fourcc_data, "hvc1", 4) || + !strncmp(fourcc_data, "av01", 4) || + !strncmp(fourcc_data, "vp09", 4)) { + av_strlcpy(fourcc, fourcc_data, sizeof(fourcc)); + ff_amf_write_string(&p, fourcc); + } else { + av_log(s, AV_LOG_ERROR, "Unsupported codec fourcc, %.*s\n", 4, fourcc_data); + return AVERROR_PATCHWELCOME; + } + + fourcc_data += 5; + } + } + if (!rt->is_input) { ff_amf_write_field_name(&p, "type"); ff_amf_write_string(&p, "nonprivate"); @@ -3104,6 +3137,7 @@ static const AVOption rtmp_options[] = { {"rtmp_conn", "Append arbitrary AMF data to the Connect message", OFFSET(conn), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC}, {"rtmp_flashver", "Version of the Flash plugin used to run the SWF player.", OFFSET(flashver), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC}, {"rtmp_flush_interval", "Number of packets flushed in the same request (RTMPT only).", OFFSET(flush_interval), AV_OPT_TYPE_INT, {.i64 = 10}, 0, INT_MAX, ENC}, + {"rtmp_enhanced_codecs", "Specify the codec(s) to use in an enhanced rtmp live stream", OFFSET(enhanced_codecs), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, ENC}, {"rtmp_live", "Specify that the media is a live stream.", OFFSET(live), AV_OPT_TYPE_INT, {.i64 = -2}, INT_MIN, INT_MAX, DEC, "rtmp_live"}, {"any", "both", 0, AV_OPT_TYPE_CONST, {.i64 = -2}, 0, 0, DEC, "rtmp_live"}, {"live", "live stream", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, DEC, "rtmp_live"},