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By setting the earliest time to timestamp + 2 * diff there would be a difference of 1 * diff between the current clock time and the earliest time the element would let through in the future. If e.g. a frame is arriving 30s late at the sink, then not just all frames up to that point would be dropped but also 30s of frames after the current clock time. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7518> |
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| .. | ||
| blend.c | ||
| blend.h | ||
| meson.build | ||
| README | ||
| videomixer2.c | ||
| videomixer2.h | ||
| videomixer2pad.h | ||
| videomixerorc-dist.c | ||
| videomixerorc-dist.h | ||
| videomixerorc.orc | ||
Video Mixer ----------- A generice video mixer, it blends the ayuv buffers from all pads onto a new buffer. The new buffer has by default a checkerboard pattern but its color can be changed with a property. The mixer can mix streams with different framerates and video sizes. It uses the duration value of the buffer to schedule the rendering of the buffers. For streams with a different resolution than the final output resolution one can specify the position of the top left corner where this image should be placed with the pad properties xpos and ypos. The overall alpha value of a stream can also be specified with a pad property. By default, the streams are blended in the order that the pads were requested from the element. This can be overridden by changing the zorder pad property of the stream, a stream with lower zorder gets drawn first. TODO ---- - really implement zorder - take I420 yuv as well - output AYUV if possible. - implement different blend modes, some code is already done - use filter caps on srcpad to decide on the final output size