FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	319898bba2	swscale/utils: handle gray+alpha formats like gray for luma ranges Its illogic to handle gray differently depending on the existence of an alpha channel Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	816cf5181e	swscale/utils: If the source has no alpha then disable alpha blendaway Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Hendrik Leppkes	5d8e836d0e	Replace all remaining occurances of step/depth_minus1 and offset_plus1	9 years ago
Vittorio Giovara	2268db2cd0	lavu: Drop the {minus,plus}1 suffix from AVComponentDescriptor fields The new fields can be accessed directly and are more intelligible. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	9 years ago
Pedro Arthur	3059562aa1	swscale: re-enable gamma +added gamma conversion to refactored code	9 years ago
Michael Niedermayer	1acd6311a1	swscale/utils: If cascaded contexts are used forward sws_setColorspaceDetails() to the first context Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	8e05f9217a	swscale/utils: Split scaling if possible and yuv->yuv with different matrixes is requested This uses a RGB intermediate, a more optimal solution would be to perform the rematrixing directly in subsampled YUV, this is quite a bit more complicated though Fixes Ticket4805 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Pedro Arthur	e0a3173a94	swscale: refactor horizontal scaling + split color conversion from scaling - disabled gamma correction, until it's refactored too Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	0f9d46b70d	swscale/alphablend: Support chroma subsampling Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	b7faa9d314	swscale/alphablend: support packed pixel formats Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	d0e0757e9a	swscale: Implement alphablendaway for planar 4:4:4 formats Fixes Ticket4746 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	c382d9e8cb	swscale: Add sws_alloc_set_opts() This simplifies allocating and initializing swscale contexts with custom options. The function is internal currently but could be moved into the public header Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Paul B Mahol	3cb8eee6f7	swscale: ayuv64le output support Signed-off-by: Paul B Mahol <onemda@gmail.com>	9 years ago
Paul B Mahol	052f64ecb2	swscale: ayuv64le input support Signed-off-by: Paul B Mahol <onemda@gmail.com>	9 years ago
Michael Niedermayer	a5d44d5c22	swscale/utils: Clear pix buffers Fixes use of uninitialized memory Fixes: a96874b9466b6edc660a519c7ad47977_signal_sigsegv_7ffff713351a_744_nc_sample.avi with memlimit 2147483648 Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Paul B Mahol	2778fdbe54	swscale: implement YA8 output Signed-off-by: Paul B Mahol <onemda@gmail.com>	10 years ago
Michael Niedermayer	e29d996149	swscale/output: Add rgba64/rgb48/bgra64/bgr48 output functions with full chroma interpolation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	80b5a1e2ee	Mark vectors as NAN instead of dereferencing NULL pointers on malloc failure Found-by: Daemon404 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	ae0148ff60	swscale: Assert that pixel format descriptor is not NULL This may help static analyzers, the pixel format is checked during initialization Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Ronald S. Bultje	711d8812ad	swscale: add yuv440p10/12 pixfmts.	10 years ago
Michael Niedermayer	b57f9f5724	swscale/swscale: Get rid of the SWS_GAMMA_CORRECT flag This avoids using up a bit of the public flags Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Pedro Arthur	2a7128f4ed	Add gamma encodign/decoding before/after scaling in libswscale Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Federico Tomassetti	7ebb302229	swscale: Check memory allocation Bug-Id: CID 1267890 CC: libav-stable@libav.org Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	10 years ago
Michael Niedermayer	fa74058dd3	swscale/utils: Fix undefined shift in initFilter() Found-by: Clang -fsanitize=shift Reported-by: Thierry Foucu <tfoucu@google.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	007498fc1a	swscale/utils: clear formatConvBuffer on allocation Fixes use of uninitialized memory Fixes: asan_heap-oob_35ca682_1474_cov_3230122439_aletrek_tga_16bit.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	fb8e5044b4	swscale/utils: add asserts to check filterpos Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	1895d414aa	swscale/utils: More carefully merge and clear coefficients outside the input Fixes out of array read Fixes: asan_heap-oob_35ca682_1474_cov_3230122439_aletrek_tga_16bit.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Federico Tomassetti	e51f22122d	swscale: Check memory allocations CC: libav-stable@libav.org Bug-Id: CID 1267888 / CID 1267890 Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Michael Niedermayer	692b22626e	swscale/utils: Limit filter shifting so as not to read from prior the array Fixes out of array read Fixes: asan_heap-oob_1fb2f9b_3780_cov_3984375136_usf.mkv Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Paul B Mahol	928061670e	libswscale: GBRAP input & output and GBRAP16 input support Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Kieran Kunhya	18982f084c	swscale: Pass through chroma positions in sws_getCachedContext Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	2f6bb86f85	swscale/utils: support bayer input + scaling, and bayer input + any supported output Fixes Ticket4053 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	fba894615d	swscale: support internal scaler cascades Fixes Ticket3170 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
James Almer	fb7d8d50bc	swscale: remove obsolete FF_API_SWS_FORMAT_NAME cruft Signed-off-by: James Almer <jamrial@gmail.com>	10 years ago
Michael Niedermayer	61af6bebb4	swscale: Allow chroma samples to be above and to the left of luma samples Found-by: Kierank Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Diego Biurrun	bb789016d4	swscale: Undeprecate sws_getContext() sws_getCachedContext is not a full replacement for the function.	10 years ago
Vittorio Giovara	f84a1b597c	swscale: support AV_PIX_FMT_YA16 as input Based on a long debug session with Kostya.	10 years ago
Vittorio Giovara	e96c3b81ca	avutil: rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 The rationale is that you have a packed format in form <greyscale sample> <alpha sample> <greyscale sample> <alpha sample> and shortening greyscale to 'G' might make one thing about Greenscale instead. An alias pixel format and color space name are provided for compatibility.	10 years ago
Michael Niedermayer	b53bdae11f	swscale/utils: fix rgb -> fullrange yuv Fixes part of Ticket3785 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	d84abf35c0	swscale/utils: remove unused define Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	6532a1a828	sws/x86: split mmxext fast bilinear scaler out Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Derek Buitenhuis	a4bd4733c0	swscale: Allow the max filter size to be set at compile time This can help "extreme" resizes, e.g with some 4k stuff. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>	11 years ago
Michael Niedermayer	ce4d91ba2a	sws: document color range >8bit oddity	11 years ago
Michael Niedermayer	c3417ed7fd	swscale/utils: Add check that ensures that the hardcoded struct offsets are valid Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	656fe7ecce	swscale/utils: use FF_ALLOC(Z)_ARRAY_OR_GOTO() and av_malloc(z)_array() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Luca Barbato	3a177a9cca	swscale: Fix an undefined behaviour Prevent a division by zero down the codepath. Sample-Id: 00001721-google Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org	11 years ago
Michael Niedermayer	4959a4fcf7	swscale/utils: fix changing src/dst range after initializing the context Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	fa98885be4	swscale/utils: move handling of unscaled case to the end of init function This way all context fields get initialized and can be used without needing to reinit the context Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	1752b1459d	swscale/utils: scale filter_size in warning so that it can be used as max for the compile time define Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	7b2b06eb43	swscale/utils: dont print message about filter size when the cause is a malloc failure Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago

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418 Commits (403d10a8b3cd9c0c9a4a034b95a4cb5ffc4b1112)