Any
The nearest indexed frame, whether or not it is a keyframe. A demuxer without its own two-sided seek, which includes MP4, Matroska, MPEG-TS, AVI and FLV, looks backward from the target only.
The nearest indexed frame, whether or not it is a keyframe. A demuxer without its own two-sided seek, which includes MP4, Matroska, MPEG-TS, AVI and FLV, looks backward from the target only.
The nearest frame, keyframe or not.
Only useful for a container whose index is trustworthy. On anything else the decoder cannot produce output until the next keyframe anyway, so this lands somewhere unpredictable.
The nearest indexed frame, whether or not it is a keyframe. A demuxer without its own two-sided seek, which includes MP4, Matroska, MPEG-TS, AVI and FLV, looks backward from the target only.
The nearest indexed frame, whether or not it is a keyframe. A demuxer without its own two-sided seek, which includes MP4, Matroska, MPEG-TS, AVI and FLV, looks backward from the target only.