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ffmpeg-0.6.3
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${ noResults }
FFmpeg/fftools
Andreas Rheinhardt
d53d48c799
Besides being nicer code this also has the advantage of not making assumptions about the internal implementation: While it is documented that the AVFilter.inputs and AVFilter.outputs arrays are terminated by a zeroed sentinel, one is not allowed to infer that one can just check avfilter_pad_get_name(padarray, i) to see whether one has reached the sentinel: It could be that the pointer to the string is contained in a different structure than AVFilterPad that needs to be accessed first: return pad->struct->string. It could be that for small strings an internal buffer in AVFilterPad is used (to avoid a relocation) whereas for longer strings an external string is used; this is useful to avoid relocations: return pad->string_ptr ? pad->string_ptr : pad->interal_string Or it could be that the name has a default value: return pad->name ? pad->name : "default" (This actually made sense for us because the name of most of our AVFilterPads is just "default"; doing so would save lots of relocations.) The only thing one is allowed to infer from the existence of the sentinel is that one is allowed to use avfilter_pad_count() to get the number of pads. Therefore it is used. Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> |
3 years ago | |
---|---|---|
.. | ||
Makefile | qsvdec: add support for HW_DEVICE_CTX method | 3 years ago |
cmdutils.c | fftools/cmdutils: Use avfilter_pad_count() for AVFilter's number of pads | 3 years ago |
cmdutils.h | fftools/cmdutils: Remove unused cpu_count | 3 years ago |
ffmpeg.c | ffmpeg: fix order between field order autodetection and override | 3 years ago |
ffmpeg.h | qsvdec: add support for HW_DEVICE_CTX method | 3 years ago |
ffmpeg_filter.c | fftools/ffmpeg_filter: add a return at the end of non-void functions | 3 years ago |
ffmpeg_hw.c | ffmpeg_hw: Don't ignore key parameters when initializing a hw device | 3 years ago |
ffmpeg_opt.c | qsvdec: add support for HW_DEVICE_CTX method | 3 years ago |
ffmpeg_videotoolbox.c |
…
|
|
ffplay.c | fftools: Don't set default swscale flags in ffmpeg/ffprobe/ffplay | 3 years ago |
ffprobe.c | ffprobe: remove references to frame->pkt_pts | 3 years ago |