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mallknow

bilibili_danmaku's Issues

录播渲染一段时间后画面声音不动,弹幕SC正常。直播结束后希望能继续监控该直播间

录播渲染一段时间后画面声音不动,弹幕SC正常。第一次是录播25分钟时候出现,第二次测试录播是1小时15分后出现。
第二次录播渲染log和配置文件和一小段不正常画面视频.zip

用LosslessCut-win-x64裁剪下正常部分和一小部分不正常画面B站上传是这样的提示
image

直播结束后希望能继续监控该直播间。
image

无法录制

部分主播能录制
截图_20230512174644

大部分主播都是 无法与直播流建立连接,重试 段错误
截图_20230512173631
windows这里直接停止工作了
截图_20230512174200

作者大大,请问下这个参数!

"font_alpha_fix": true,
    "#font_alpha_fix": [ "为false时,采用默认的alpha混合策略(速度优先)。弹幕可能变暗,尤其是当不透明度小于0.6时",

请问下这个参数是在ffmpeg里添加某个参数进行压制的吗,我想用原生ffmpeg的命令压制,但是透明度50%就很暗淡...
008CFD52
救救救!

开播时不自动开始录制

版本为0.0.25,提前打开录制的话开播时大概率没反应,似乎只有马上开播时候打开才能正常录,而且也有可能录了但是弹幕没有压制到视频里
a9d83ba40bd5da29392e7d5d3c03ddb6
图中是下午四点左右打开的录制,七点开播时没有开始

想输出4K,但强制设置分辨率无效,也无法追加使用-vf scale

录的直播最近推流变成了20M,1080P下B站转码后会糊很多,想使用4K进行上传,但经测试强制设置分辨率无效,也无法追加使用-vf scale
image
设置分辨率无效,文件仍为1080P
image
使用-vf scale无效,报错提示Filtergraph 'scale=3840:2160' was specified through the -vf/-af/-filter option for output stream 0:0, which is fed from a complex filtergraph.

小白,请问配置文件错误怎么弄?不知道哪里有问题

{
    "version": "0.0.20",

    "ffmpeg_path": "ffmpeg/",
    "#ffmpeg_path": "ffmpeg所在的路径,例如ffmpeg位于tool文件夹下",

    "output_path": "video/",
    "#output_path": "视频存放路径,例如存放在video文件夹下",

    "video_bitrate": "32M",
    "#video_bitrate": "视频流比特率,按照ffmpeg接受的格式输入",

    "audio_bitrate": "320K",
    "#audio_bitrate": "音频流比特率,按照ffmpeg接受的格式输入。如果需要输出原始音频流,请设置为copy",

    "decoder": "nvdec",
    "#decoder": [
        " 视频的硬件解码器类型,可能的值有",
        " none (不使用硬件解码器) , nvdec (nvidia gpu), qsv (intel gpu), dxav2 (仅用于windows), d3d11va (仅用于windows) ",
        " 注意,这些值并未经过广泛测试,且不建议采取其他值(如:不支持cuda)"
    ],

    "encoder": "hevc_nvenc",
    "#encoder": [
        " 视频的软/硬件编码器类型,可能的值有",
        " hevc_nvenc (nvidia gpu h265), h264_nvenc (nvidia gpu h264)",
        " h264_amf (amd gpu h264), hevc_amf (amd gpu h265), libx264 (cpu h264 软件编码), libx265 (cpu h265 软件编码)",
        " h264_qsv (intel gpu h264), hevc_qsv (intel gpu h265) 等。",
        " 或者您可以选择一个ffmpeg接受的编码器"
    ],

    "extra_encoder_info": [ ""
    ],
    "#extra_encoder_info": [
        "您希望传递给编码器的额外信息,例如您可能想要调整预设,如果您想传递的参数为 `-preset 15` 需要这样做:",
        ["-preset", "15"],
        "每个字段用空格隔开即可。如果您不想传递额外信息,保持上面的项目不变即可。"
    ],

    "extra_input_stream_info": "",
    "#extra_input_info": [ "额外的ffmpeg输入流选项,可用于实现水印、裁剪、缩放等高级功能",
        "详见https://github.com/windowsair/bilibili_danmaku/blob/master/doc/live_render_custom_feature.md",
        "如果您不想传递额外信息,保持上面的项目不变即可。"
    ],

    "extra_filter_info": "[v0]hwupload_cuda[v1];[v1]scale_cuda=2564:1442:interp_algo=bicubic[v]",
    "#extra_filter_info": [ "额外的ffmpeg filter选项,可用于实现水印、裁剪、缩放等高级功能",
        "详见https://github.com/windowsair/bilibili_danmaku/blob/master/doc/live_render_custom_feature.md",
        "如果您不想传递额外信息,保持上面的项目不变即可。"
    ],

    "segment_time": 0,
    "#segment_time" : "视频切片长度(以秒计),0表示不切片",

    "ffmpeg_thread_queue_size": 20000,
    "#ffmpeg_thread_queue_size": "拉流线程队列大小,一般不调节此项。详见FAQ",

    "render_thread_queue_size": 64,
    "#render_thread_queue_size": "渲染线程队列大小,详见FAQ",


    "post_convert": true,
    "#post_convert": "是否在录制结束后自动将格式转换为faststart形式(faststart可以加快视频加载的时间)",

    "use_custom_style": false,
    "#use_custom_style": [ "是否使用自定义的ASS样式。(谨慎使用)",
        "设置为true后,将读取相同目录下的custom_style.ass文件", "每一行弹幕对应一个样式",
        "如第一行弹幕对应Danmu1, 第二行对应Danmu2,以此类推。"
    ],

    "font_family": "微软雅黑",
    "#font_family": "采用的字体集",

    "font_scale": 1.8,
    "#font_scale": "字体缩放倍数,为1.0时保持原始大小(基础字号为25)",

    "font_alpha": 0.7,
    "#font_alpha": "字体不透明度,取值为0~1.0,为0时完全透明",

    "font_alpha_fix": false,
    "#font_alpha_fix": [ "为false时,采用默认的alpha混合策略(速度优先)。弹幕可能变暗,尤其是当不透明度小于0.6时",
        "为true时,采用符合自觉的alpha混合策略(质量优先),但是会降低渲染速度",
        "根据对渲染效果和渲染速度的要求选择合适的项目。"
    ],

    "font_bold": true,
    "#font_bold": "是否设置字体加粗,true加粗,false不加粗",

    "font_outline": 0.6,
    "#font_outline": "字体描边(边框)值",

    "font_shadow": 0.0,
    "#font_shadow": "字体阴影值",

    "danmaku_show_range": 0.5,
    "#danmaku_show_range": "弹幕在屏幕上的显示范围,取值为0~1.0,为1时全屏显示",

    "danmaku_move_time": 12,
    "#danmaku_move_time": "滚动弹幕的停留时间(以秒计)",

    "danmaku_pos_time": 0,
    "#danmaku_pos_time": "固定弹幕的停留时间(以秒计),为0时忽略固定弹幕",

    "danmaku_lead_time_compensation": -6000,
    "#danmaku_pos_time": [ "弹幕超前补偿时间(以毫秒计)", "注意将您的本机时间与北京时间同步",
        "该值必须小于等于0", "当该值的绝对值越大时,弹幕越后出现",
        "例如-7000的弹幕将比-6000的弹幕更晚出现"
    ],

    "vertical_danmaku_strategy": 2,
    "#vertical_danmaku_strategy": [ "竖版弹幕处理策略", "0不处理",
        "1直接丢弃所有竖版弹幕", "2将竖版弹幕转为横版弹幕"
    ],

    "verbose": 0,
    "#verbose": [ "控制台输出等级设定", "0为默认输出", "1屏蔽所有ffmpeg输出", "2屏蔽所有弹幕信息输出",
       "3屏蔽所有ffmpeg和弹幕信息输出", "4屏蔽所有一般统计信息", "5屏蔽所有ffmpeg和一般统计信息输出",
       "6屏蔽所有统计信息和弹幕信息输出", "7屏蔽所有ffmpeg、弹幕信息和一般统计信息输出"
    ],

    "bilibili_proxy_address": "",
    "#bilibili_proxy_address": "bilibili的代理地址,仅用于获取直播流地址。如果您不清楚这是做什么的,不要修改此项。例子: https://api.live.bilibili.com/",


    "adjust_input_video_width": 0,
    "#adjust_input_video_width": [ "重新调整原始直播源视频的宽度,如果不需要调整,设置为0即可",
        "在一般情况下,live_render会使用FFmpeg中的scale对原始直播源视频的尺寸进行调整。",
        "特别地,如果原始直播视频源是一个竖版视频,而此处设置的调整后的视频为横版视频,",
        "live_render将尝试先在原始直播源视频上添加黑边,然后再调整为相应的视频尺寸。",
        "这一特性可以用于将720P的竖版直播视频转换为1080P的横版视频",
        "随意调整此项,可能会影响性能"
    ],

    "adjust_input_video_height": 0,
    "#adjust_input_video_height": [ "重新调整原始直播源视频的高度,如果不需要调整,设置为0即可",
        "随意调整此项,可能会影响性能"
    ],

    "adjust_input_video_fps": 0,
    "#adjust_input_video_fps": [ "重新调整原始直播源视频的帧率,如果不需要调整,设置为0即可",
        "如果设置了此项,会使用FFmpeg中的fps filter对原始直播源视频的帧率进行预调整",
        "随意调整此项,可能会影响性能"
    ],

}

image
image
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文件结构如图

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