# ffmpeg_filter

**Repository Path**: jsjxsy/ffmpeg_filter

## Basic Information

- **Project Name**: ffmpeg_filter
- **Description**: ffmpeg7.0 使用滤镜 给视频画方形水印
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-08-08
- **Last Updated**: 2024-08-21

## Categories & Tags

**Categories**: Uncategorized

**Tags**: ffmpeg

## README

1. args中的参数错误导致avfilter_graph_create_filter 失败
 avfilter_graph_create_filter(&buf_ctx, buf_src, "in", args, NULL, graph)

2. 在输出sink中 args必须为空
 avfilter_graph_create_filter(&buf_sink_ctx, buf_sink, "out", NULL, NULL, graph);
 
 解码后原始数据保存
 ffplay -i new.yuv -pixel_format GRAY8 -video_size 1920x1080