FFmpeg

Commit Graph

Author	SHA1	Message	Date
Carl Eugen Hoyos	a75ef1506a	lavc/jpeg2000dec: Fix jp2 inner atom size used for overread checks.	8 years ago
Paul B Mahol	585cfabb79	avcodec/jpeg2000dec: add slice threading support Signed-off-by: Paul B Mahol <onemda@gmail.com>	9 years ago
Paul B Mahol	e2298b3fcc	avcodec/jpeg2000dec: account two last bytes from end of bytestream as EOC marker This silences missing EOC marker when decoding j2k files with Psot set to 0. Signed-off-by: Paul B Mahol <onemda@gmail.com>	9 years ago
Michael Niedermayer	0aada30510	avcodec/jpeg2000dec: More completely check cdef Fixes out of array read Fixes: j2k-poc.bin Found-by: Lucas Leong <wmliang.tw@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Anton Khirnov	2c6811397b	lavc: add profiles to AVCodecDescriptor The profiles are a property of the codec, so it makes sense to export them through AVCodecDescriptors, not just the codec implementations.	9 years ago
Michael Niedermayer	a85b02dcf7	avcodec/jpeg2000dec: Check bpno in decode_cblk() Fixes: undefined shift Fixes: c409ef86f892335a0a164b5871174d5a/asan_heap-oob_1dff564_2159_162b7234616deab02b544410455eb07b.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	0eb7de1973	avcodec/jpeg2000: Change coord to 32bit to support larger than 32k width or height Fixes: 03e0abe721b1174856d41a1eb5d6a896/signal_sigabrt_7ffff6ae7cc9_3813_e71bf3541abed3ccba031cd5ba0269a4.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	65d3359fb3	avcodec/jpeg2000dec: Fix potential integer overflow with tile dimensions Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	6ef819c40b	avcodec/jpeg2000dec: Check SIZ dimensions to be within the supported range Fixes potential integer overflows Fixes: 03e0abe721b1174856d41a1eb5d6a896/signal_sigabrt_7ffff6ae7cc9_3813_e71bf3541abed3ccba031cd5ba0269a4.avi This fix is choosen to be simple to backport, better solution for master is planed Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	44a7f17d0b	avcodec/jpeg2000dec: Check for duplicate SIZ marker Fixes: 0231a17345734228011c6f35a64e4594/asan_heap-oob_1d92a72_3218_1213809a9e3affec77e4c191fdfdc0a9.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	43492ff3ab	avcodec/jpeg2000dec: Clip all tile coordinates Fixes out of array access Fixes: b877a6b788a25c70e8b1d014f8628549/asan_heap-oob_1da2c3f_2324_5a1b329b0b3c4bb6b1d775660ac56717.r3d Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	c980c5e54d	avcodec/jpeg2000dec: Clear properties in jpeg2000_dec_cleanup() too Fixes: Ticket4878 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	c08b06c225	avcodec/jpeg2000dec: Check that step_x/y are valid before use in JPEG2000_PGOD_PCRL Fixes: CID1322305 and CID1322304 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Luca Barbato	1b709f23fb	jpeg2000: Refactor decode_packets Move the packet-specific parsers in separate functions.	9 years ago
Luca Barbato	29b00f880f	jpeg2000: Templatize the frame writer	9 years ago
Luca Barbato	41bcc3d152	jpeg2000: Split codeblock decoding from the main tile decoding That loop is completely stand-alone.	9 years ago
Luca Barbato	5788623d29	jpeg2000: Split codeblock decoding from the main tile decoding That loop is completely stand-alone.	9 years ago
Luca Barbato	db53a2306f	jpeg2000: Do not warn about known and skippable markers Matches the openjpeg behaviour.	9 years ago
Hendrik Leppkes	5d8e836d0e	Replace all remaining occurances of step/depth_minus1 and offset_plus1	9 years ago
Michael Niedermayer	a87ada53c3	avcodec/jpeg2000dec: Initialize ret to avoid warning and make the code more robust "Fixes" CID1322361 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	9e70475551	avcodec/jpeg2000dec: Assert that step_x/y are valid Fixes CID1322304, CID1322305 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Carl Eugen Hoyos	daf2c35f52	lavc: Remove newline from avpriv_request_sample() calls.	10 years ago
Vittorio Giovara	def97856de	lavc: AV-prefix all codec capabilities Express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Vittorio Giovara	7c6eb0a1b7	lavc: AV-prefix all codec flags Convert doxygen to multiline and express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Carl Eugen Hoyos	c239fcb948	lavc/jpeg2000: Signal lossless / bit-exact video stream.	10 years ago
Michael Niedermayer	d554715f67	avcodec/jpeg2000dec: Fix decoding of subsampled multi tile images Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Janne Grunau	007e27d363	avcodec: add missing CODEC_CAP_DR1 to codecs using get_buffer()	10 years ago
Michael Niedermayer	ecbd111768	avcodec/jpeg2000dec: Remove unused variables Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	96e73fa649	avcodec/jpeg2000dec: Merge i_stepsize/2 decoder special case into dequant Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	5cccbc3b74	avcodec/jpeg2000dec: Check for mismatching per expected termination not just at the end Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	8672c0a643	avcodec/jpeg2000dec: Limit poc end fields to whats available in jpeg2000_decode_packets() Fixes: Ticket4677 Solution based on information from https://code.google.com/p/openjpeg/issues/detail?id=80 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	b75c0a72ed	avcodec/jpeg2000dec: Fix tp_index for POC Fixes Ticket2586 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	c56ba5c270	avcodec/jpeg2000dec: Print what is found in place of EPH if EPH is not found Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	c72a831931	avcodec/jpeg2000dec: Support progression order changes Fixes Ticket4657 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	2ec0ba1e22	avcodec/jpeg2000dec: Parse POCs Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	7ca0cd5831	avcodec/jpeg2000dec: iterate in tile sample space for CPRL & RPCL Thats what the spec says should be done aka iterate in the wrong space and use special cases to patch that up. It sometimes can result in different order Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	f5822ea379	avcodec/jpeg2000dec: Add missing \n to av_log() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	50b77e364f	avcodec/jpeg2000dec: iterate over positions with the special cases from jpeg2000 The order in j2k is not the simple and logic one Fixes Ticket4670 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	6c4a2f11dd	avcodec/jpeg2000dec: Add coords to Jpeg2000Tile These will be needed in subsequent commits Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	f1e173049e	avcodec/jpeg2000: Remove CBLK limit This also reduces the amount of memory needed Fixes Ticket4672 The new code seems slightly faster as well, probably due to better cache usage Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	9ff5e7974a	avcodec/jpeg2000dec: Limit x/y step to 1<<30 Fixes infinite loop Fixes Ticket4663 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	2d8bf3d126	avcodec/jpeg2000dec: Check PPx / PPy values Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	d580255571	vcodec/jpeg2000: Increase cblk size limit to 128 Fixes Ticket4649 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	ffa1de8a3b	avcodec/jpeg2000dec: Use 32x32->64bit for 9/7i dequantization Like the 5/3 case this is needed to avoid overflows and similarly for 16bpp output pure 32bit operations are insufficient if high quality is wanted Note, this code-path is only used in bitexact mode, so this should not affect the speed of any real use-case Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	05ef6324d1	avcodec/jpeg2000dec: Add 5/3 de-quantization special case for the lossless case This avoids a multiplication and 64bits Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	8ff09e9098	avcodec/jpeg2000dec: Use 32x32->64bit for 5/3 dequantization This fixes overflows, using fewer bits would impact high bit depth quality Fixes Ticket4654 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	bb9f4f94ac	avcodec/jpeg2000dec: Replace TPsot check by assert The condition is impossible now. the TPsot type is changed to unsigned int to prevent gcc from producing warnings Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	5ba9ec824a	avcodec/jpeg2000dec: Increase tile part limit to 256 This is the maximum that the syntax of jpeg2000 is capable to store Fixes Ticket4639 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	08326e73a2	avcodec/jpeg2000dec: Continue decoding reslevels even when empty ones are encountered Fixes Ticket4635 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	2687a51a3f	avcodec/jpeg2000dec: Drop unneeded rlevel variable Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago

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275 Commits (36cf42252152cf2c385c43a9053deac03ed2dcd9)