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* vf_dlopen examples: add copyright headers (LGPL 2.1+)Rudolf Polzer2013-04-087-0/+147
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* TOOLS: fix first frame pts for dlopen/telecine.soRudolf Polzer2012-09-281-6/+13
| | | | | | | | | | | | | | | When the first frame of a telecine pattern did not generate an output frame (because it is a 0 or a 1), this could lead to the first two output frames getting equal pts values. When the first frame of a telecine pattern generates exactly one output frame (i.e. when the telecine pattern starts with 2 or 3), then the output was correct before this comment, and still is unchanged. When the first frame of a telecine pattern generates more than one output frame (i.e. when it starts with 4 to 9), then output pts are still broken. This is not really solvable without knowing the frame duration, or delaying output by one frame.
* vf_dlopen: vf_rectangle filter moved to dlopen (unix only)Rudolf Polzer2012-09-182-1/+348
| | | | It is unix only, because vf_dlopen filters have no way to receive input (yet)
* vf_dlopen: improve performance for 1-frame-for-1-frame filtersRudolf Polzer2012-09-181-1/+6
| | | | | | This is done by requesting a buffer from the next filter in the chain, instead of always allocating our own. This allows the next filter to e.g. ensure its own preferred memory layout.
* vf_dlopen: add a generic filter to load external filtersRudolf Polzer2012-08-236-0/+547
Usage: -vf dlopen=filename.so:args... Examples of such filters are provided in TOOLS/vf_dlopen/