---
title: 8bit使用参考
description: "以YUV文件转换为MP4文件为例，提供在FFmpeg下使用HW265Enc编码器编码8bit序列的命令使用示例。"
url: https://www.hikunpeng.com/document/detail/zh/boostmedia/hw265/kunpengcps_hw265enc_06_0023.html
sourcePath: /source/zh/boostmedia/hw265/kunpengcps_hw265enc_06_0023.html
indexId: b77d8f73f5529831da2611cc1f34c91e227b394c1c29877d8ae026e93e110df960
---
# 8bit使用参考

以YUV文件转换为MP4文件为例，提供在FFmpeg下使用HW265Enc编码器编码8bit序列的命令使用示例。

在输入命令行选项时，除了输出文件名写在末尾，其他FFmpeg内置参数写在“ffmpeg”命令后面。libhw265编码器参数写在“libhw265”后面。参数的分类和说明请参见表1。


命令举例：

```
ffmpeg -s 1920x1080 -i input.yuv -bf 0 -c:v libhw265 -wpp_threads 4 output.mp4
```

显示信息参考示例如下：

```
Input #0, rawvideo, from 'input.yuv':
  Duration: 00:01:00.00, start: 0.000000, bitrate: 622080 kb/s
    Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1920x1080, 622080 kb/s, 25 tbr, 25 tbn, 25 tbc
File 'output.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo (native) -> hevc (libhw265))
Press [q] to stop, [?] for help
Output #0, mp4, to 'output.mp4':
  Metadata:
    encoder         : Lavf58.29.100
    Stream #0:0: Video: hevc (libhw265) (hev1 / 0x31766568), yuv420p, 1920x1080, q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc
    Metadata:
      encoder         : Lavc58.54.100 libhw265
frame= 1500 fps= 13 q=-0.0 Lsize=   34439kB time=00:00:58.96 bitrate=4785.1kbits/s speed=0.504x    
video:34432kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.020906%
```