B 站针对特殊类型视频提高码率上限？

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这是一个创建于 135 天前的主题，其中的信息可能已经有所发展或是发生改变。

根据我的经验，b 站码率存在上限

大约是这样

清晰度	avc	hevc
1080p60	6000kbps	≈4000kbps
4K	≈18000kbps	≈12000kbps

但我发现了几个明显超出规则的视频，都是《阿凡达: 潘多拉边境》的游戏视频，是 b 站针对这个游戏开放了更高的码率上限吗

我尝试找了几个该游戏的最新投稿视频，又好像还是在传统码率限制内的

下面是超过常规码率限制的视频

BV1cC4y197Eu

ID     EXT RESOLUTION FPS │   FILESIZE    TBR PROTO │ VCODEC           VBR ACODEC      ABR
──────────────────────────────────────────────────────────────────────────────────────────
30216  m4a audio only     │ ≈  2.90MiB    48k https │ audio only           mp4a.40.5   48k
30232  m4a audio only     │ ≈  7.28MiB   121k https │ audio only           mp4a.40.2  121k
30280  m4a audio only     │ ≈ 11.51MiB   192k https │ audio only           mp4a.40.2  192k
30016  mp4 640x360     30 │ ≈ 21.23MiB   353k https │ avc1.64001E     353k video only
100109 mp4 640x360     30 │ ≈ 18.58MiB   309k https │ hev1.1.6.L120   309k video only
30032  mp4 852x480     30 │ ≈ 47.48MiB   790k https │ avc1.64001F     790k video only
100110 mp4 852x480     30 │ ≈ 41.69MiB   694k https │ hev1.1.6.L120   694k video only
30064  mp4 1280x720    30 │ ≈105.35MiB  1753k https │ avc1.640028    1753k video only
100111 mp4 1280x720    30 │ ≈ 78.17MiB  1301k https │ hev1.1.6.L120  1301k video only
30080  mp4 1920x1080   30 │ ≈283.30MiB  4715k https │ avc1.640032    4715k video only
100113 mp4 1920x1080   30 │ ≈202.27MiB  3367k https │ hev1.1.6.L150  3367k video only
30116  mp4 1920x1080   59 │ ≈612.00MiB 10186k https │ avc1.640032   10186k video only
100144 mp4 1920x1080   59 │ ≈426.55MiB  7099k https │ hev1.1.6.L150  7099k video only
30120  mp4 3840x2160   59 │ ≈  1.50GiB 25598k https │ avc1.640034   25598k video only
100145 mp4 3840x2160   62 │ ≈  1.05GiB 17821k https │ hev1.1.6.L153 17821k video only

BV1PQ4y1V7zw P3

ID    EXT RESOLUTION FPS │   FILESIZE    TBR PROTO │ VCODEC           VBR ACODEC      ABR
─────────────────────────────────────────────────────────────────────────────────────────
30216 m4a audio only     │ ≈ 14.62MiB    48k https │ audio only           mp4a.40.5   48k
30232 m4a audio only     │ ≈ 36.10MiB   118k https │ audio only           mp4a.40.2  118k
30280 m4a audio only     │ ≈ 58.76MiB   192k https │ audio only           mp4a.40.2  192k
30016 mp4 640x360     30 │ ≈108.44MiB   354k https │ avc1.64001E     354k video only
30011 mp4 640x360     30 │ ≈ 78.11MiB   255k https │ hev1.1.6.L120   255k video only
30032 mp4 852x480     30 │ ≈240.16MiB   783k https │ avc1.64001F     783k video only
30033 mp4 852x480     30 │ ≈139.12MiB   454k https │ hev1.1.6.L120   454k video only
30064 mp4 1280x720    30 │ ≈519.16MiB  1693k https │ avc1.640028    1693k video only
30066 mp4 1280x720    30 │ ≈300.23MiB   979k https │ hev1.1.6.L120   979k video only
30080 mp4 1920x1080   30 │ ≈  1.28GiB  4277k https │ avc1.640032    4277k video only
30077 mp4 1920x1080   30 │ ≈797.99MiB  2602k https │ hev1.1.6.L150  2602k video only
30116 mp4 1920x1080   59 │ ≈  2.30GiB  7686k https │ avc1.640032    7686k video only
30106 mp4 1920x1080   59 │ ≈  1.47GiB  4895k https │ hev1.1.6.L150  4895k video only
30120 mp4 3840x2160   62 │ ≈  7.03GiB 23467k https │ avc1.640034   23467k video only
30121 mp4 3840x2160   62 │ ≈  4.95GiB 16514k https │ hev1.1.6.L153 16514k video only

BV1PQ4y1V7zw P5

ID     EXT RESOLUTION FPS │   FILESIZE    TBR PROTO │ VCODEC           VBR ACODEC      ABR
──────────────────────────────────────────────────────────────────────────────────────────
30216  m4a audio only     │ ≈  8.86MiB    46k https │ audio only           mp4a.40.5   46k
30232  m4a audio only     │ ≈ 21.82MiB   113k https │ audio only           mp4a.40.2  113k
30280  m4a audio only     │ ≈ 36.18MiB   187k https │ audio only           mp4a.40.2  187k
100022 mp4 640x360     30 │ ≈ 41.98MiB   217k https │ av01.0.08M.08   217k video only
30016  mp4 640x360     30 │ ≈ 68.40MiB   353k https │ avc1.64001E     353k video only
100109 mp4 640x360     30 │ ≈ 55.96MiB   289k https │ hev1.1.6.L120   289k video only
100023 mp4 852x480     30 │ ≈ 70.90MiB   366k https │ av01.0.08M.08   366k video only
30032  mp4 852x480     30 │ ≈152.97MiB   790k https │ avc1.64001F     790k video only
100110 mp4 852x480     30 │ ≈105.46MiB   545k https │ hev1.1.6.L120   545k video only
100024 mp4 1280x720    30 │ ≈181.19MiB   936k https │ av01.0.08M.08   936k video only
30064  mp4 1280x720    30 │ ≈337.87MiB  1746k https │ avc1.640028    1746k video only
100111 mp4 1280x720    30 │ ≈199.25MiB  1029k https │ hev1.1.6.L120  1029k video only
100026 mp4 1920x1080   30 │ ≈576.65MiB  2979k https │ av01.0.08M.08  2979k video only
30080  mp4 1920x1080   30 │ ≈825.98MiB  4268k https │ avc1.640032    4268k video only
100113 mp4 1920x1080   30 │ ≈498.53MiB  2576k https │ hev1.1.6.L150  2576k video only
30116  mp4 1920x1080   59 │ ≈  1.39GiB  7330k https │ avc1.640032    7330k video only
100144 mp4 1920x1080   59 │ ≈896.59MiB  4633k https │ hev1.1.6.L150  4633k video only
100028 mp4 1920x1080   60 │ ≈  1.03GiB  5439k https │ av01.0.09M.08  5439k video only
100029 mp4 3840x2160   60 │ ≈  2.97GiB 15704k https │ av01.0.13M.08 15704k video only
30120  mp4 3840x2160   62 │ ≈  4.38GiB 23178k https │ avc1.640034   23178k video only
100145 mp4 3840x2160   62 │ ≈  2.96GiB 15647k https │ hev1.1.6.L153 15647k video only

2 条回复 • 2024-01-12 00:49:02 +08:00

LZWDRWEB

108 天前

我非常好奇您下面这个视频信息是从哪获取的

lns103

107 天前

@LZWDRWEB 用 yt-dlp -F 查看的，下载下来验证码率没问题（ b 站杜比视界清晰度会虚报码率，其它似乎不会）