Commit Graph
100 Commits
Author SHA1 Message Date
Luca Barbato 816e5b9970 hevc: Reject impossible slice segment
A dependent slice cannot have address 0.
Prevent an out of array bound load in ff_hevc_cabac_init().

Sample-Id: 00001406-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2014-02-01 17:04:49 +01:00
Luca Barbato 09e2203b8b hevc: Consider first quantization group any reference to 0, 0
According to my understanding of T-REC-H.265-2013044 chapter 8.6.1.

Sample-Id: 00001438-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2014-02-01 17:02:35 +01:00
Luca Barbato 7d56f2fffc mxf: Handle negative edit_rate
Default to 1/25.
2014-02-01 16:25:07 +01:00
Luca Barbato e22ebd04bc hevc: Bound check cu_qp_delta
The T-REC-H.265-2013044 page 91 states it has to be in the range
[-(26 + s->sps->qp_bd_offset / 2), (25 + s->sps->qp_bd_offset / 2)].
2014-01-21 11:59:54 +01:00
Luca Barbato 0d999333f9 hevc: Bound check slice_qp
The T-REC-H.265-2013044 page 79 states it has to be in the range
[-s->sps->qp_bd_offset, 51].

Sample-Id: 00001386-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2014-01-21 11:59:30 +01:00
Luca Barbato 838740e642 hevc: Prevent some integer overflows
get_ue_golomb_long() returns an unsigned.

Sample-Id: 00001541-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2014-01-21 11:59:18 +01:00
Luca Barbato b37e796082 hevc: Use uint64 to check for tile dimensions
And use unsigned datatypes.

Otherwise it would overflow.

Sample-Id: 00001315-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2014-01-21 11:57:51 +01:00
Luca Barbato 045654f422 doxy: Document better the available AVFrame flags 2014-01-17 10:00:18 +01:00
Luca Barbato ff23c4e493 doxy: Add AVFrame to the structured modules 2014-01-17 10:00:18 +01:00
Luca Barbato 1a4e4ad0e0 mxf: Use av_malloc_array 2014-01-14 18:13:29 +01:00
Luca Barbato f5fbbbc022 mxf: Drop unnecessary checks
av_reallocp_array does the check already.
2014-01-14 18:13:29 +01:00
Luca Barbato 42f9132218 mxf: Do not use int to check the seek position
Overly large files are to be expected.

Reported-by: Jean-Baptiste Kempf <jb@videolan.org>
2014-01-14 17:29:03 +01:00
Luca Barbato c798a6fedc vc1: Factorize out chroma MC 2014-01-13 10:21:53 +01:00
Luca BarbatoandDiego Biurrun a1f5164814 vc1dsp: K&R formatting cosmetics
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2014-01-12 18:33:25 +01:00
Luca Barbato e61b8fa560 configure: Update freetype check to follow upstream
The freetype tutorial suggests to use #include FT_FREETYPE_H.

Bug-Id: 616
2014-01-06 11:44:10 +01:00
Luca Barbato d68dc3c944 drawtext: Drop pointless header
It should be forward compatible with newer freetype.
2014-01-06 11:44:10 +01:00
Luca Barbato 9a4c10e3af lavu: Move preprocessor macros in a separate file
And remove all the circular inclusions of avutil.h while at it.
2013-12-29 22:52:04 +01:00
Luca Barbato 4d2bb28931 h264: namespace the decode function
Make much easier debugging.
2013-12-27 07:48:13 +01:00
Luca Barbato 1ab91c7d4a doxy: Update the css to have a flat style
Drop references to the doxy image gradients and style a the code blocks to
keep the whitespace and indent properly.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-12-27 02:53:25 +01:00
Luca Barbato 9ace13db77 doxy: Fix link in badge color
Green on blue was not exactly optimal.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-12-27 02:53:25 +01:00
Luca Barbato 1716b4c7b8 mms: Remove non-utf8 characters
Certain softwares get badly confused.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-12-26 06:07:35 +01:00
Luca Barbato f412b2c9f3 flv: Use the correct type to hold the file offset 2013-12-20 17:44:20 +01:00
Luca Barbato 15739a9bd1 jvdec: Do not feed the decoder with known wrong data
Still assume the size value is right in non-explode mode.
2013-12-20 17:44:20 +01:00
Luca Barbato 027712e851 jvdec: Return EOF on end of file 2013-12-20 17:44:20 +01:00
Luca BarbatoandVittorio Giovara 3a149e23d3 hevc: Refactor decode_nal_sei_frame_packing_arrangement
Directly set the fields when necessary.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2013-12-17 09:34:08 +01:00
Luca Barbato c85aad9cb2 doxy: Define a group for libswscale documentation
Uniform the style and eliminate a warning on newer doxygen version..
2013-12-13 23:53:30 +01:00
Luca Barbato a5a3b398fd configure: Reorder pthreads checks
Some pthreads symbols might be present in libc (as shown on various *BSD)
but not all of them, leading to false positives.

Check for the most common compiler flags before the plain symbol check
to avoid known pitfalls.
2013-12-13 23:53:30 +01:00
Luca Barbato 7cbe1ea9df configure: Move the bz2 and zlib checks below phtreads
There are alternate implementations of those libraries that use pthreads.
2013-12-13 23:53:30 +01:00
Luca Barbato f058f384a0 configure: Do not use pthread_create to check for pthread
Certain instrumentation addons leads to a false positive in configure
and link failures at the end of the build phase.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-11-30 13:01:35 +01:00
Luca Barbato 08303d7741 hwaccel: Simplify ff_find_hwaccel
It is always called by passing fields from an AVCodecContext.
2013-11-10 13:59:48 +01:00
Luca BarbatoandDiego Biurrun 037fea388e flashsv: K&R formatting cosmetics
Also improve some log message wording/spelling.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
2013-11-01 22:32:53 +01:00
Luca Barbato 4a64e67988 flashsv: Refactor a little 2013-11-01 19:38:53 +01:00
Luca Barbato e789130522 configure: Provide an hardened toolchain option 2013-10-29 11:36:00 +01:00
Luca Barbato dcd3eda6cb configure: Move gcc-only -W option where it belongs 2013-10-29 11:36:00 +01:00
Luca Barbato 53151723e3 avio: K&R formatting cosmetics 2013-10-28 00:04:50 +01:00
Luca Barbato 0749314886 h263: Return meaningful errors 2013-10-28 00:04:49 +01:00
Luca Barbato de6061203e configure: Disable -Wmaybe-uninitialized by default
It is by definition unreliable and causes pointless noise on valid
code.
2013-10-28 00:04:49 +01:00
Luca BarbatoandDiego Biurrun 1ce3ec24b3 h263: K&R formatting cosmetics
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2013-10-23 13:17:23 +02:00
Luca Barbato 72072bf9de mpegvideo: Drop a faulty assert
That check is easily reachable by faulty input.

CC:libav-stable@libav.org
Reported-by: Torsten Sadowski <tsadowski@gmx.net>
2013-10-23 10:49:48 +02:00
Luca Barbato f825d42bcc avplay: Accept cpuflags option
Quite useful for debugging.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-10-22 10:49:31 +02:00
Luca Barbato ea71aafd68 avio: Use AVERROR_PROTOCOL_NOT_FOUND
When the protocol is missing ffurl_alloc() should return
AVERROR_PROTOCOL_NOT_FOUND instead of AVERROR(ENOENT).

Bug-Id: 577
CC: libav-stable@libav.org
2013-10-21 15:55:20 +02:00
Luca Barbato 2b72f8ac32 wtv: Seek by sector properly
Use an helper function to seek by sector to avoid possible mistakes
due shifting by WTV_SECTOR_BITS a 32bit integer.

Contrary to common intuition, a 32 bit integer left shifted
by a 64 bit integer does not promote the 32 bit integer to
64 bit before shifting.
2013-10-18 15:08:18 +02:00
Luca Barbato 825c7c62bb mpegvideo: Move 8x8 in a separate function 2013-10-15 23:58:20 +02:00
Luca Barbato 95587859cc mpegvideo: Move obmc in a separate function 2013-10-15 23:58:20 +02:00
Luca Barbato a90905db2e ffv1: Assume bitdepth 0 means 8bit
CC: libav-stable@libav.org
Reported-by: debian/726189
2013-10-15 23:58:20 +02:00
Luca Barbato a84616b736 mpegvideo: K&R formatting cosmetics 2013-10-15 23:58:20 +02:00
Luca Barbato 39185ec4fa cavs: Check for negative cbp
Sample-Id: 00000647-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-13 17:52:53 +02:00
Luca Barbato 1b20d0f581 cavs: Return meaningful error values 2013-10-13 17:52:53 +02:00
Luca Barbato 14ddbb477f cavs: K&R formatting cosmetics 2013-10-13 17:52:53 +02:00
Luca Barbato c9ef6b0932 indeo4: Check the inherited quant_mat
Invalidate it if not supported.

Sample-Id: 00000262-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-13 01:38:21 +02:00
Luca Barbato 0cb83c5638 indeo4: Check the block size if reusing the band configuration
Sample-Id: 00000287-google

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-13 01:38:20 +02:00
Luca Barbato c0de9a23c7 prores: Reject negative run and level values
Sample-Id: 00000611-google

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-10 21:02:10 +02:00
Luca Barbato 2df7f7714a prores: Error out only on surely incomplete ac_coeffs 2013-10-10 10:26:31 +02:00
Luca Barbato 44690dfa68 prores: Add a codepath for decoding errors 2013-10-10 09:47:03 +02:00
Luca Barbato ceec6e792e avi: directly resync on DV in AVI read failure
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-10 07:28:17 +02:00
Luca Barbato 756547ce7f avi: DV in AVI must be considered single stream
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-10 07:28:03 +02:00
Luca Barbato 1cac9accbd avi: properly fail if the dv demuxer is missing
CC: libav-stable@libav.org
2013-10-10 07:27:50 +02:00
Luca Barbato 1018a92219 jpeg2000: Check block length
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-09 22:25:19 +02:00
Luca Barbato 071e29af4d vmnc: Use meaningful return values 2013-10-09 22:25:01 +02:00
Luca Barbato 5e992a4682 vmnc: Check the cursor dimensions
And manage the reallocation failure path.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-09 22:25:01 +02:00
Luca Barbato 61cd19b8bc vmnc: Port to bytestream2
Fix some buffer overreads.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-09 22:25:01 +02:00
Luca Barbato a66aa0daf2 vmnc: K&R formatting cosmetics
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2013-10-09 22:25:01 +02:00
Luca Barbato b2148faca9 shorten: Extend fixed_coeffs to properly support pred_order 0
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-09 03:34:10 +02:00
Luca Barbato 4272bb6ef1 doxy: Document avlog
Provide some information for every function and add a group.
2013-10-05 18:09:45 +02:00
Luca Barbato 628a17d78a rtmp: alias rtmp_listen to listen
Make it uniform with the other protocols.
2013-10-01 15:42:06 +02:00
Luca Barbato ad0560fe74 mxf: Remove a typo
Introduced in 93370d1216
2013-10-01 13:43:48 +02:00
Luca Barbato 5c349ad08a lxf: check the nb_streams instead of relying on padding
Remove the now unneeded stream pointer while at it.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-09-27 01:33:46 +02:00
Luca Barbato c951e4b442 flv: Make onTextData parsing robust
Certain streaming servers do not preserve the order of the fields.
2013-09-22 01:10:17 +02:00
Luca Barbato ba77757a7e rtmp: Replace a magic number with a macro
11 is the RTMP header size.
2013-09-22 01:09:33 +02:00
Luca Barbato 5840473890 rtmp: Rewrite embedded flv handling
Use update_offset() as done for rtmp audio, video and notifications and
read update and write the fields instead of replacing them in the rtmp
packet and then memcpying it to the output buffer.
2013-09-22 01:09:33 +02:00
Luca Barbato e40a0e8228 rtmp: Refactor get_packet 2013-09-22 01:09:33 +02:00
Luca Barbato 32a414f316 rtmp: Support AMF_DATA_TYPE_MIXEDARRAY
And fix the AMF_DATA_TYPE_ARRAY parsing while at it.

A MIXEDARRAY type, as the ARRAY, store the number of elements in
an uint32 before the list. The ARRAY is strict and does not have
an OBJECT terminator, MIXEDARRAY behaves like an OBJECT type and
a different than stated number of element can be present.
2013-09-22 01:06:42 +02:00
Luca Barbato 5532ee6d7d rtmp: Unbreak get_packet
Commit 5626f994f2 broke it.
2013-09-20 13:38:22 +02:00
Luca Barbato e5d45e028c build: Support cparser 2013-09-19 21:53:21 +02:00
Luca Barbato ae0f316a47 rtmp: Unbreak handle_notify
Commit 5626f994f2 broke it.
2013-09-19 09:13:04 +02:00
Luca Barbato c38854c399 doc: Add missing hashes and dates to APIChanges
Also fix the typo in the last entry version.
2013-09-17 13:31:54 +02:00
Luca BarbatoandMartin Storsjö 596e5d4783 lavf: Add a flag to enable/disable per-packet flushing
This is enabled by default and can be disabled with
"-fflags -flush_packets".

Inspired by a patch from Nicolas George <nicolas.george@normalesup.org>.

Signed-off-by: Martin Storsjö <martin@martin.st>
2013-09-16 22:11:08 +03:00
Luca Barbato 0a9425d7cf flv: Do not export datastream as metadata
It is used internally.
2013-09-16 19:36:37 +02:00
Luca Barbato 92ed83e393 rtmp: Store all the notify messages
The onTextData is used to implement text data streams in flv.
2013-09-16 19:36:37 +02:00
Luca Barbato fe0337e89b rtmp: Do not send the first field twice within the handshake 2013-09-16 19:36:37 +02:00
Luca Barbato 666ed7eda1 rtmp: Drop an unneeded warning
Apparently a widely used streaming server requires that the second
field always presents a version during C1 phase.
2013-09-16 19:36:37 +02:00
Luca Barbato ffb7669e47 rtmp: Support play method in listen mode 2013-09-16 19:36:37 +02:00
Luca Barbato 97d35fa89f rtmp: Factor out publish specific code
Will be reused for supporting play.
2013-09-16 19:36:37 +02:00
Luca Barbato 3feb3d6ce4 mem: Introduce av_reallocp 2013-09-16 19:36:37 +02:00
Luca Barbato 7ee191cab0 dv: Add a guard to not overread the ppcm array
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-09-07 11:18:01 +02:00
Luca Barbato 85ac12587b nuv: check ff_rtjpeg_decode_frame_yuv420 return value
CC: libav-stable@libav.org
2013-09-07 11:11:52 +02:00
Luca Barbato b4ec7a5fee mem: Document the av_realloc family of functions properly
realloc() does not accept pointers from memalign().
2013-09-04 10:56:41 +02:00
Luca Barbato 7f9e893f56 build: Report an error message when a pc file is not found
Ease tracking path problems.
2013-09-04 09:47:06 +02:00
Luca Barbato 48f2e53ad0 doc: document the asf demuxer
And drop a typo from the previous FLV entry.
2013-08-28 11:02:56 +02:00
Luca Barbato b1f9cdc37f ac3: Return proper error codes 2013-08-27 16:19:12 +02:00
Luca Barbato 818d1f1a3e ac3: Clean up the error paths 2013-08-27 16:19:12 +02:00
Luca Barbato 6258d362b8 ac3: Do not clash with normal AVERROR
The parsing function return AVERROR and AAC_AC3_PARSE_ERROR values,
make sure they are not misunderstood.
2013-08-27 16:19:12 +02:00
Luca Barbato f4634ae8a8 flv: Fix the help string 2013-08-27 14:38:54 +02:00
Luca Barbato 21015109ec doc: Document the flv demuxer 2013-08-27 14:38:19 +02:00
Luca Barbato b89e8759e0 mov: Write tmcd extradata 2013-08-25 13:49:21 +02:00
Luca Barbato 5b41eb91e0 mov: Parse tmcd extradata 2013-08-25 13:49:13 +02:00
Luca Barbato 0b5af5cf12 mov: Refactor multiple stsd skipping in mov_mov_skip_multiple_stsd 2013-08-24 17:02:23 +02:00
Luca Barbato 08504380dd mov: Refactor codec specific final steps in mov_finalize_stsd_codec 2013-08-24 17:02:23 +02:00
Luca Barbato dc518a3ae2 mov: Refactor subtitle specific parsing in mov_parse_stsd_subtitle 2013-08-24 17:02:23 +02:00
Luca Barbato ef196beeb5 mov: Refactor audio specific parsing in mov_parse_stsd_audio 2013-08-24 17:02:23 +02:00