FFmpeg

Commit Graph

Author	SHA1	Message	Date
Carl Eugen Hoyos	9bd35a76fc	lavc/h264_ps: Be more verbose when truncating likely oversized PPS.	9 years ago
Benoit Fouet	879330c561	h264: make H264ParamSets sps const	9 years ago
Benoit Fouet	4cc1ce4a91	h264: straighten dimensions check ff_h264_decode_seq_parameter_set The MBS only flag was not taken into account when checking macroblock dimensions. Also removes the unneeded check in init_dimensions for slices.	9 years ago
Benoit Fouet	3e8cda1eb1	h264_ps: change decode_scaling_matrices so that it takes const {s,p}ps In order to be able to make SPS const in H264ParamSets, modify decode_scaling_matrices so that it returns if the scaling matrix are present in the SPS, instead of altering the input SPS structure.	9 years ago
Anton Khirnov	70b1dcef2d	h264: tighten the valid range for ref_frame_count This field (which the spec calls max_num_ref_frames) must be less than or equal to MaxDpbFrames, which is at most 16.	9 years ago
Anton Khirnov	f638b67e57	h264: move the parameter set definitions to a new header file The PS parsing code is independent from the decoder, so it makes more sense for it to have its own separate header.	9 years ago
Anton Khirnov	9df889a5f1	h264: rename h264.[ch] to h264dec.[ch] This is more consistent with the naming of other decoders.	9 years ago
Matthieu Bouron	0ea58059d6	lavc/h264_ps: add ff_h264_ps_uninit and use it	9 years ago
Anton Mitrofanov	a833ff68f6	h264: Fix decoding delay for Intra only streams Signed-off-by: Anton Khirnov <anton@khirnov.net>	9 years ago
Vittorio Giovara	41ed7ab45f	cosmetics: Fix spelling mistakes Signed-off-by: Diego Biurrun <diego@biurrun.de>	9 years ago
Anton Khirnov	3176217c60	h264: decouple h264_ps from the h264 decoder Make the SPS/PPS parsing independent of the H264Context, to allow decoupling the parser from the decoder. The change is modelled after the one done earlier for HEVC. Move the dequant buffers to the PPS to avoid complex checks whether they changed and an expensive copy for frame threads.	9 years ago
Anton Khirnov	add1467e5e	svq3: drop the build dependency on the h264 decoder	9 years ago
Diego Biurrun	f4d581cda3	lavc: Deduplicate zigzag_scan table	9 years ago
Anton Khirnov	b09ad37c83	h264: derive the delay from the level when it's not present Fall back to maximum DPB size if the level is unknown. This should be more spec-compliant and does not depend on the caller setting has_b_frames before opening the decoder. The old behaviour, when the delay is supplied by the caller setting has_b_frames, can still be obtained by setting strict_std_compliance below normal.	9 years ago
Michael Niedermayer	85c92789b6	avcodec/h264_ps: Fix copying oversized pps&sps data Fixes: https://trac.ffmpeg.org/attachment/ticket/685/movie.264 In the available testcase the actual PPS only uses a few bits while there are 7kbyte of apparently random data after it Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
wm4	069190f707	avcodec/h264: keep SPS and PPS bitstream data We assume an upper bound of 4096 bytes for each raw SPS/PPS. It's hard to determine an exact maximum size, but this value was was considered high enough and safe. Needed for the following VideotoolBox commit.	9 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
Vittorio Giovara	86e1a35802	h264_ps: Return meaningful error codes and address a memory leak Bug-Id: CID 1026763	10 years ago
Michael Niedermayer	c658269cd1	avcodec/h264_ps: Validate num_units_in_tick/time_scale before setting them in the context This probably makes no big difference but it is more correct Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Vittorio Giovara	7498f2221e	h264: Do not fail on unsupported timing info The spec madandate both time_scale and num_units_in_tick greater than 0, however since they are not essential for decoding, just ignore the whole block and try to finish parsing the VUI. Related to Ticket4445. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Michael Niedermayer	bc48c88918	avcodec/h264: Do not fail with randomly truncated VUIs Fixes Ticket4445 Tested-by: Vittorio Giovara <vittorio.giovara@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	32e06c485b	avcodec/h264_ps: Move truncation check from VUI to SPS This more completely checks for truncation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Anton Khirnov	84f226a3bc	h264: use the correct SPS during PPS parsing There is in general no reason for the currently active SPS to be the one referenced by the PPS being parsed.	10 years ago
Anton Khirnov	d8a45d2d49	h264_ps: properly check cropping parameters against overflow CC: libav-stable@libav.org	10 years ago
Michael Niedermayer	69aa79365c	avcodec/h264_ps: More completely check the bit depths Fixes out of array read Fixes: asan_static-oob_30328b6_719_cov_3325483287_H264_artifacts_motion.h264 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Christophe Gisquet	6a2bfd52e5	h264_ps: move and export aspect_ratio Needed for filters that may need it, like an SPS bsf. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Gabriel Dume	f929ab0569	cosmetics: Write NULL pointer equality checks more compactly Signed-off-by: Diego Biurrun <diego@biurrun.de>	11 years ago
Diego Biurrun	cba4e6062a	More correct printf format specifiers This avoids compiler warnings about argument and specifier type mismatch.	11 years ago
Diego Biurrun	cc8163e1a3	avcodec: more correct printf specifiers	11 years ago
Vittorio Giovara	5d1c2e53ab	h264: Replace mpegvideo-specific MAX_PICTURE_COUNT by private define	11 years ago
Vittorio Giovara	ee6280ca12	h264: parse two additional constraint flags	11 years ago
Vittorio Giovara	e70ab7c1f5	h264: add MVCD to the list of High profiles in SPS Also comment all previous profiles.	11 years ago
Michael Niedermayer	44b22bba42	avcodec/h264_ps: fix printed num_reorder_frames value Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Vittorio Giovara	614b9e4db8	h264: use avpriv_request_sample for chroma_format_idc	11 years ago
Vittorio Giovara	3a05767028	h264: store current_sps_id inside the current sps In preparation for MVC support.	11 years ago
Vittorio Giovara	73e8fab31d	h264: print values in case of error Also make error style consistent and drop redundant information.	11 years ago
Anton Khirnov	9ecabd7892	h264: reset num_reorder_frames if it is invalid An invalid VUI is not considered a fatal error, so the SPS containing it may still be used. Leaving an invalid value of num_reorder_frames there can result in writing over the bounds of H264Context.delayed_pic. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:libav-stable@libav.org	11 years ago
Anton Khirnov	bfd26b7ce6	h264: reject mismatching luma/chroma bit depths during sps parsing There is no point in delaying the check and it avoids bugs with a half-initialized context. Fixes invalid reads. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:libav-stable@libav.org	11 years ago
Anton Khirnov	94603feb1b	h264_ps: when parsing a VUI fails, only abort when explode is set A VUI doesn't contain anything strictly necessary for decoding. Apparently there are many samples with truncated VUIs in the wild, this commit should allow decoding them.	11 years ago
Diego Biurrun	c18838f5eb	h264_ps: Use more meaningful error values	12 years ago
Diego Biurrun	330ad1f6a5	h264_ps: K&R formatting cosmetics	12 years ago
Diego Biurrun	8fed466b0a	h264_ps: Drop commented-out cruft	12 years ago
Diego Biurrun	2a61592573	avcodec: Remove some commented-out debug cruft	12 years ago
Michael Niedermayer	00b1401df6	avcodec/h264_ps: try to support Ambarella AVC Fixes Ticket2763 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	6952e2f82a	h264_ps: fix memleak in ff_h264_decode_picture_parameter_set() Fixes: CID1026763 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	edabbfbaf2	ff_h264_decode_seq_parameter_set: dont set h->sps Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	ccdaa31d86	ff_h264_decode_picture_parameter_set: fix return code Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	dc35b77b28	ff_h264_decode_picture_parameter_set: use the correct sps Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	c3bd306e78	h264_ps: check croping values Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Anton Khirnov	5e83d9aced	h264: fully support cropping. Based on a patch by Vittorio Giovara <vittorio.giovara@gmail.com> Fixes Bug 378.	12 years ago

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163 Commits (500662784341373d625af629cad94826beca3bc8)