From patchwork Wed Apr 12 04:37:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Steven X-Patchwork-Id: 41109 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a05:6a20:4645:b0:e3:3194:9d20 with SMTP id eb5csp201526pzb; Tue, 11 Apr 2023 21:39:08 -0700 (PDT) X-Google-Smtp-Source: AKy350bEfF1mZsH2AOHYSDNVTCY0Fu9C+t07cjfnpmqXx4rraf6/tMPlwW/+gfNBM8MUUqRjtdB5 X-Received: by 2002:a17:906:4812:b0:94e:4523:b0d8 with SMTP id w18-20020a170906481200b0094e4523b0d8mr2092114ejq.73.1681274347938; Tue, 11 Apr 2023 21:39:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1681274347; cv=none; d=google.com; s=arc-20160816; b=ZuyL4hRg/jeSOZh1cTlz9sE+w+afIwjwmx7e3jDKuag7UaWSAIVxmEnnaGgzjFQ8BD FbXS+KsADKXq6CifS5cOParzGudWWbLqhwInur/iWNIhAFizarzRYfLgyIck6veDw5h8 ZE1qJ0BMVvk7LvNOKuemOSFA30NRwkAXc4fu7cFI2JSM3sh0yBYqFA8m+tUw5eELZg1h lrSRFI6WhNJZFDQgQuZhLFd+hHdvQf0PKVP0K6hficlFHsA4las3Em43Y2vkran5mULT WEQZHnKldquXFOHUdVMS50wkWjY1WOQvaEuIk2lVS2PPs9qcRiBJjscASr0rHawJB++Z Bt5Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:cc:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:feedback-id:mime-version:references :in-reply-to:message-id:date:to:from:delivered-to; bh=YioaGeoWSJQZiby+yIpiB7jHaeq70CJqapu6n3k2TIM=; b=KRW8J+e35djNDS0DTiYOYNzx13UmcsVOgsjc/yr2E66RJoZcmzLWQbH+jEjrTDt6vV Otrc9xywZriIwNvAFB6DP4FoL1pUGrqYnEtIHnl/bdRmz7B0wDjYdG48plxl1zg9jIdH Iu6fksbmwC7OCYmbhk5VZ4x66aO8KsUrkw08Croe7aw4WrzKXGh8C2hljJraeuL3cowh BkWHmnfQ/Ulrc9cpqO7SGzr8vncejl1Djlz0ayfW73g7B6kk9/Z98DO0Tw77ap7WZ6n5 C3s303Zxxz21apX7hzzpz11BAPZP+aD+9bElBC9v+uX7DZu6oNKLCY6bGAapRFo03A2Y eKwg== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id lf11-20020a170906ae4b00b0094a62ae398bsi956834ejb.477.2023.04.11.21.39.07; Tue, 11 Apr 2023 21:39:07 -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 7EDE468BD88; Wed, 12 Apr 2023 07:39:05 +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 [43.155.67.158]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3D490688373 for ; Wed, 12 Apr 2023 07:38:56 +0300 (EEST) X-QQ-mid: bizesmtpipv603t1681274262txw7 Received: from localhost ( [255.142.19.15]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 12 Apr 2023 12:37:41 +0800 (CST) X-QQ-SSF: 01100000000000Z0Z000000A0000000 X-QQ-FEAT: G46xFj+wOV8wClRQfwFK0QYiVSJCC1Gatodc82Dpnew0hfuWXzlCQTx2wxRsy PXK2JLE2GNVWrTQMivqW+sR6PxbmTP7L/mJdS+Uzw1tYBj0y7JvGmf5cA9Ykx6z7yv6caxt w/mC+qXEvnvqFDADZOW0Dh0WS8q/Sibqry1V1zKWcd8qEvIZ+X1n6v1ifGfDO94J2iUq5qZ VOL13xJgmjxMh5GIlksHRAz021ILpwjbPJR6j+QMyNP3XviRXMW8b37c5ydl0cH5i+qlSmU cq1+MJVXGDAwh35wipxGDIk8ATWEaqPRbP7rE2G+n3XgdhFp+8at/zxwGc4sj/u7xiGhxhi QA0MNUUpCKyD/ir+/fQCkUZB50IunOXqGYmQeM2uZPw0prte8nF6bX9upD2Vg== X-QQ-GoodBg: 0 X-BIZMAIL-ID: 18145156121578205778 From: Steven Liu To: ffmpeg-devel@ffmpeg.org Date: Wed, 12 Apr 2023 12:37:34 +0800 Message-Id: <20230412043737.8841-1-lq@chinaffmpeg.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: References: MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtpipv:chinaffmpeg.org:qybglogicsvr:qybglogicsvr2 Subject: [FFmpeg-devel] [PATCH v5 1/4] avformat/flvenc: Add support for HEVC over flv in muxer 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: 825/dmCq0iku Implements HEVC according to Enhanced FLV spec found at https://github.com/veovera/enhanced-rtmp And it has beed supported by OBS, Simple Realtime Server, mpegts.js. And the enhanced FLV documentation contributors include Jean-Baptiste Kempf (FFmpeg, VideoLAN). So this should be support by ffmpeg too. Signed-off-by: Steven Liu --- libavformat/flv.h | 16 ++++++++++++++ libavformat/flvenc.c | 50 +++++++++++++++++++++++++++++++++----------- 2 files changed, 54 insertions(+), 12 deletions(-) diff --git a/libavformat/flv.h b/libavformat/flv.h index 3571b90279..44d3b04ff9 100644 --- a/libavformat/flv.h +++ b/libavformat/flv.h @@ -35,6 +35,12 @@ #define FLV_VIDEO_FRAMETYPE_OFFSET 4 +/* Extended VideoTagHeader + * defined in reference link: + * https://github.com/veovera/enhanced-rtmp/blob/main/enhanced-rtmp-v1.pdf + * */ +#define FLV_IS_EX_HEADER 0x80 + /* bitmasks to isolate specific values */ #define FLV_AUDIO_CHANNEL_MASK 0x01 #define FLV_AUDIO_SAMPLESIZE_MASK 0x02 @@ -110,6 +116,16 @@ enum { FLV_CODECID_H264 = 7, FLV_CODECID_REALH263= 8, FLV_CODECID_MPEG4 = 9, + FLV_CODECID_HEVC = 10, +}; + +enum { + PacketTypeSequenceStart = 0, + PacketTypeCodedFrames = 1, + PacketTypeSequenceEnd = 2, + PacketTypeCodedFramesX = 3, + PacketTypeMetadata = 4, + PacketTypeMPEG2TSSequenceStart = 5, }; enum { diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index fbf7eabaf8..0f26ff99e8 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -28,6 +28,7 @@ #include "libavcodec/mpeg4audio.h" #include "avio.h" #include "avc.h" +#include "hevc.h" #include "avformat.h" #include "flv.h" #include "internal.h" @@ -46,6 +47,7 @@ static const AVCodecTag flv_video_codec_ids[] = { { AV_CODEC_ID_VP6, FLV_CODECID_VP6 }, { AV_CODEC_ID_VP6A, FLV_CODECID_VP6A }, { AV_CODEC_ID_H264, FLV_CODECID_H264 }, + { AV_CODEC_ID_HEVC, FLV_CODECID_HEVC }, { AV_CODEC_ID_NONE, 0 } }; @@ -492,7 +494,7 @@ static void flv_write_codec_header(AVFormatContext* s, AVCodecParameters* par, i FLVContext *flv = s->priv_data; if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264 - || par->codec_id == AV_CODEC_ID_MPEG4) { + || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC) { int64_t pos; avio_w8(pb, par->codec_type == AVMEDIA_TYPE_VIDEO ? @@ -535,10 +537,19 @@ static void flv_write_codec_header(AVFormatContext* s, AVCodecParameters* par, i } avio_write(pb, par->extradata, par->extradata_size); } else { - avio_w8(pb, par->codec_tag | FLV_FRAME_KEY); // flags - avio_w8(pb, 0); // AVC sequence header - avio_wb24(pb, 0); // composition time - ff_isom_write_avcc(pb, par->extradata, par->extradata_size); + if (par->codec_id == AV_CODEC_ID_HEVC) { + avio_w8(pb, FLV_IS_EX_HEADER | PacketTypeSequenceStart); // ExVideoTagHeader mode with PacketTypeSequenceStart + avio_write(pb, "hvc1", 4); + } else { + avio_w8(pb, par->codec_tag | FLV_FRAME_KEY); // flags + avio_w8(pb, 0); // AVC sequence header + avio_wb24(pb, 0); // composition time + } + + if (par->codec_id == AV_CODEC_ID_HEVC) + ff_isom_write_hvcc(pb, par->extradata, par->extradata_size, 0); + else + ff_isom_write_avcc(pb, par->extradata, par->extradata_size); } data_size = avio_tell(pb) - pos; avio_seek(pb, -data_size - 10, SEEK_CUR); @@ -628,7 +639,8 @@ static int flv_init(struct AVFormatContext *s) return unsupported_codec(s, "Video", par->codec_id); if (par->codec_id == AV_CODEC_ID_MPEG4 || - par->codec_id == AV_CODEC_ID_H263) { + par->codec_id == AV_CODEC_ID_H263 || + par->codec_id == AV_CODEC_ID_HEVC) { int error = s->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL; av_log(s, error ? AV_LOG_ERROR : AV_LOG_WARNING, "Codec %s is not supported in the official FLV specification,\n", avcodec_get_name(par->codec_id)); @@ -784,8 +796,11 @@ end: for (i = 0; i < s->nb_streams; i++) { AVCodecParameters *par = s->streams[i]->codecpar; FLVStreamContext *sc = s->streams[i]->priv_data; - if (par->codec_type == AVMEDIA_TYPE_VIDEO && - (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4)) + if (par->codec_id == AV_CODEC_ID_HEVC) { + avio_w8(pb, 0x82); + avio_write(pb, "hvc1", 4); + } else if (par->codec_type == AVMEDIA_TYPE_VIDEO && + (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC)) put_eos_tag(pb, sc->last_ts, par->codec_id); } } @@ -836,13 +851,13 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A || par->codec_id == AV_CODEC_ID_VP6 || par->codec_id == AV_CODEC_ID_AAC) flags_size = 2; - else if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4) + else if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC) flags_size = 5; else flags_size = 1; if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264 - || par->codec_id == AV_CODEC_ID_MPEG4) { + || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC) { size_t side_size; uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size); if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) { @@ -862,7 +877,7 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) "Packets are not in the proper order with respect to DTS\n"); return AVERROR(EINVAL); } - if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4) { + if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC) { if (pkt->pts == AV_NOPTS_VALUE) { av_log(s, AV_LOG_ERROR, "Packet is missing PTS\n"); return AVERROR(EINVAL); @@ -907,6 +922,10 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) if (par->extradata_size > 0 && *(uint8_t*)par->extradata != 1) if ((ret = ff_avc_parse_nal_units_buf(pkt->data, &data, &size)) < 0) return ret; + } else if (par->codec_id == AV_CODEC_ID_HEVC) { + if (par->extradata_size > 0 && *(uint8_t*)par->extradata != 1) + if ((ret = ff_hevc_annexb2mp4_buf(pkt->data, &data, &size, 0, NULL)) < 0) + return ret; } else if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) { if (!s->streams[pkt->stream_index]->nb_frames) { @@ -968,7 +987,12 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) avio_wb32(pb, data_size + 11); } else { av_assert1(flags>=0); - avio_w8(pb,flags); + if (par->codec_id == AV_CODEC_ID_HEVC) { + avio_w8(pb, FLV_IS_EX_HEADER | PacketTypeCodedFrames); // ExVideoTagHeader mode with PacketTypeCodedFrames + avio_write(pb, "hvc1", 4); + } else { + avio_w8(pb, flags); + } if (par->codec_id == AV_CODEC_ID_VP6) avio_w8(pb,0); if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A) { @@ -982,6 +1006,8 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) else if (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4) { avio_w8(pb, 1); // AVC NALU avio_wb24(pb, pkt->pts - pkt->dts); + } else if (par->codec_id == AV_CODEC_ID_HEVC) { + avio_wb24(pb, pkt->pts - pkt->dts); } avio_write(pb, data ? data : pkt->data, size);