bumptech/glide

Reading GIF information and getting playback callbacks

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#1,499 创建于 2016年10月5日

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 (3 评论) (0 反应) (0 负责人)Java (35,023 star) (6,176 fork)batch import
GIFenhancementhelp wanted

描述

In a similar way to #192, this would be a feature request to get information from the loaded gif in terms of playback time, and being able to get callbacks on each frame to update the playback position. Think of implementing a video like UI on top of gif playback. Did look through the API and didn't find how this would be possible. Desired features:

  • Get total playback of the gif in milliseconds and/or frames.
  • Get current playback position in milliseconds and/or frames.
  • Seek to a specific playback frame.
  • Be updated on each frame through a callback.

贡献者指南

技术栈
javaandroid
领域
mobile
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-2 days
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
mostly clear
前置要求
Basic Android developmentFamiliarity with Glide libraryUnderstanding of GIF animation
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
30
研究方向
Review the existing GIF decoding implementation in Glide, particularly the GifDrawable and GifDecoder classes. Investigate how frame timing is handled and if there are any existing callbacks. Based on the desired features, consider adding a new interface for playback callbacks and methods to query total duration and seek to specific frames. Look at related issues like #192 for prior context.