FFmpeg

Commit Graph

Author	SHA1	Message	Date
Martin Vignali	d31770d9a6	avfilter/vf_interlace : move func init in ff_interlace_init and add depth arg for ff_interlace_init_x86	7 years ago
Thomas Mundt	d491d6a0cd	avfilter/interlace: rename two variables for consistency Signed-off-by: Thomas Mundt <tmundt75@gmail.com>	7 years ago
Thomas Mundt	40bfaa190c	avfilter/interlace: add support for 10 and 12 bit Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Thomas Mundt <tmundt75@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>	7 years ago
Thomas Mundt	ed48e22748	avfilter/interlace: simplify code Signed-off-by: Thomas Mundt <tmundt75@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Thomas Mundt	a7f6bfdc18	avfilter/interlace: prevent over-sharpening with the complex low-pass filter The complex vertical low-pass filter slightly over-sharpens the picture. This becomes visible when several transcodings are cascaded and the error potentises, e.g. some generations of HD->SD SD->HD. To prevent this behaviour the destination pixel must not exceed the source pixel when the average of the pixels above and below is less than the source pixel. And the other way around. Tested and approved in a visual transcoding cascade test by video professionals. SSIM/PSNR test with the first generation of an HD->SD file as a reference against the 6th generation(3 x SD->HD HD->SD): Results without the patch: SSIM Y:0.956508 (13.615881) U:0.991601 (20.757750) V:0.993004 (21.551382) All:0.974405 (15.918463) PSNR y:31.838009 u:48.424280 v:48.962711 average:34.759466 min:31.699297 max:40.857847 Results with the patch: SSIM Y:0.970051 (15.236232) U:0.991883 (20.905857) V:0.993174 (21.658049) All:0.981290 (17.279202) PSNR y:34.412108 u:48.504454 v:48.969496 average:37.264644 min:34.310637 max:42.373392 Signed-off-by: Thomas Mundt <tmundt75@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Thomas Mundt	2da5bf4c2f	avfilter/interlace: add complex vertical low-pass filter This complex (-1 2 6 2 -1) filter slightly less reduces interlace 'twitter' but better retain detail and subjective sharpness impression compared to the linear (1 2 1) filter. Signed-off-by: Thomas Mundt <tmundt75@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>	8 years ago
Thomas Mundt	207e6debf8	avfilter/interlace: change lowpass_line function prototype Signed-off-by: Thomas Mundt <tmundt75@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Derek Buitenhuis	21f9468402	avutil: Rename FF_CEIL_COMPAT to AV_CEIL_COMPAT Libav, for some reason, merged this as a public API function. This will aid in future merges. A define is left for backwards compat, just in case some person used it, since it is in a public header. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>	9 years ago
Vittorio Giovara	4709f72115	lavfi: Use AV_CEIL_RSHIFT where needed	9 years ago
Michael Niedermayer	65e73bc60f	vf_interlace: implement frame rate Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from ffmpeg commit `227b4458fb`) Signed-off-by: Anton Khirnov <anton@khirnov.net>	9 years ago
Nicolas George	44f660e7e7	lavfi: remove FF_LINK_FLAG_REQUEST_LOOP. It has no longer any effect.	9 years ago
Clément Bœsch	0b93c6d831	avfilter/interlace: fix opt flags	9 years ago
Clément Bœsch	f790b54d98	avfilter/interlace: use AV_OPT_TYPE_BOOL	9 years ago
Paul B Mahol	a0854c084e	avfilter: handle error in query_formats() in bunch of filters Signed-off-by: Paul B Mahol <onemda@gmail.com>	10 years ago
Vittorio Giovara	4438c25638	vf_interlace: remove the warning tag in the message The log level is already a warning.	10 years ago
Vittorio Giovara	15ea222778	vf_interlace: merge FIELD_LOWER check	10 years ago
Vittorio Giovara	046f75a970	vf_interlace: also assert for height	10 years ago
Vittorio Giovara	696141e898	vf_interlace: use image width rather than linesize Based on a patch by Michael Niedermayer <michaelni@gmx.at>.	10 years ago
Michael Niedermayer	46b64e3098	Revert "avfilter/vf_interlace: more accurate pts calculation" This reverts commit `df8248f66e`. the revert produces a timebase and timestamps that are more close to what users expect Hoped-by: koda	10 years ago
Kieran Kunhya	2e1704059a	vf_interlace: Add SIMD for lowpass filter Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	10 years ago
Aleksey Vasenev	df8248f66e	avfilter/vf_interlace: more accurate pts calculation Signed-off-by: Aleksey Vasenev <margtu-fivt@ya.ru> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Vittorio Giovara	52269f48e8	Revert "vf_interlace: deprecate lowpass option" This reverts commit `35b05c5184`. A warning is introduced in case this option is used.	10 years ago
Vittorio Giovara	58400ac133	lavfi: name anonymous structs	11 years ago
Vittorio Giovara	35b05c5184	vf_interlace: deprecate lowpass option	11 years ago
Vittorio Giovara	3a16ec19d2	vf_interlace: check one av_frame_clone allocation	11 years ago
Anton Khirnov	cd43ca0443	lavfi: do not export the filters from shared objects	11 years ago
Vittorio Giovara	06e7301a2e	vf_interlace: do not process an already interlaced frame Signed-off-by: Anton Khirnov <anton@khirnov.net>	11 years ago
Paul B Mahol	b211607b5c	avfilter: various cosmetics Signed-off-by: Paul B Mahol <onemda@gmail.com>	11 years ago
Vittorio Giovara	0ce1a7598e	vf_interlace: fix file permissions Signed-off-by: Diego Biurrun <diego@biurrun.de>	11 years ago
Michael Niedermayer	bec509db43	vf_interlace: better handling of odd video size Signed-off-by: Martin Storsjö <martin@martin.st>	12 years ago
Vittorio Giovara	cd0faeee62	lavfi: math typo in interlace filter Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Paul B Mahol	d349704eef	lavfi/interlace: make use of AVFILTER_DEFINE_CLASS Signed-off-by: Paul B Mahol <onemda@gmail.com>	12 years ago
Paul B Mahol	68def27124	lavfi/interlace: remove request frame hack Signed-off-by: Paul B Mahol <onemda@gmail.com>	12 years ago
Clément Bœsch	50e66726a2	lavfi: use ceil right shift for chroma width/height. This should fix several issues with odd dimensions inputs. lut, vflip, pad and crop video filters also need to be checked for such issues. It's possible sws is also affected.	12 years ago
Clément Bœsch	7ee2daed9b	lavfi/interlace: remove exec permissions.	12 years ago
Paul B Mahol	65efa1dbd9	lavfi/interlace: remove now unused av_opt_free() call Signed-off-by: Paul B Mahol <onemda@gmail.com>	12 years ago
Michael Niedermayer	227b4458fb	vf_interlace: fix frame rate Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Vittorio Giovara	3fce136798	lavfi: new interlace filter Signed-off-by: Anton Khirnov <anton@khirnov.net>	12 years ago

50 Commits (fd10a6e2f21f9cadc44a0415e204ea82940cd089)