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${ noResults }
5 Commits (ebd0ca9fee85891262979b2c9d320ff69abdc104)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Andreas Rheinhardt
|
1a52cbd404 |
avfilter/ccfifo: Improve included headers
We don't need to include fifo.h, because we don't need AVFifo as a complete type. Also add the other used headers directly. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> |
11 months ago |
|
Andreas Rheinhardt
|
9b67c5a684 |
avfilter/ccfifo: Inline trivial functions
Besides being extremly simple this also avoids including ff_ccfifo_ccdetected() unnecessarily (it is only used by decklink). This is possible because this is not avpriv, but duplicated into lavd if necessary. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> |
11 months ago |
James Almer
|
8564b4ab05 |
avfilter/ccfifo: constify some parameters
Signed-off-by: James Almer <jamrial@gmail.com> |
2 years ago |
|
James Almer
|
7f890b2fbb |
avfilter/ccfifo: remove unnecessary context allocations
This is not public API, no it has no need for an alloc() and free() functions. The struct can reside on stack. Signed-off-by: James Almer <jamrial@gmail.com> |
2 years ago |
Devin Heitmueller
|
2b0e794ffc |
avfilter/ccfifo: Properly handle CEA-708 captions through framerate conversion
When transcoding video that contains 708 closed captions, the caption data is tied to the frames as side data. Simply dropping or adding frames to change the framerate will result in loss of data, so the caption data needs to be preserved and reformatted. For example, without this patch converting 720p59 to 1080i59 would result in loss of 50% of the caption bytes, resulting in garbled 608 captions and 708 probably wouldn't render at all. Further, the frames that are there will have an illegal cc_count for the target framerate, so some decoders may ignore the packets entirely. Extract the 608 and 708 tuples and insert them onto queues. Then after dropping/adding frames, re-write the tuples back into the resulting frames at the appropriate rate given the target framerate. This includes both having the correct cc_count as well as clocking out the 608 pairs at the appropriate rate. Thanks to Lance Wang <lance.lmwang@gmail.com>, Anton Khirnov <anton@khirnov.net>, and Michael Niedermayer <michael@niedermayer.cc> for providing review/feedback. Signed-off-by: Devin Heitmueller <dheitmueller@ltnglobal.com> Signed-off-by: Limin Wang <lance.lmwang@gmail.com> |
2 years ago |