FFmpeg

Commit Graph

Author	SHA1	Message	Date
Vittorio Giovara	41ed7ab45f	cosmetics: Fix spelling mistakes Signed-off-by: Diego Biurrun <diego@biurrun.de>	9 years ago
Anton Khirnov	9200514ad8	lavf: replace AVStream.codec with AVStream.codecpar Currently, AVStream contains an embedded AVCodecContext instance, which is used by demuxers to export stream parameters to the caller and by muxers to receive stream parameters from the caller. It is also used internally as the codec context that is passed to parsers. In addition, it is also widely used by the callers as the decoding (when demuxer) or encoding (when muxing) context, though this has been officially discouraged since Libav 11. There are multiple important problems with this approach: - the fields in AVCodecContext are in general one of * stream parameters * codec options * codec state However, it's not clear which ones are which. It is consequently unclear which fields are a demuxer allowed to set or a muxer allowed to read. This leads to erratic behaviour depending on whether decoding or encoding is being performed or not (and whether it uses the AVStream embedded codec context). - various synchronization issues arising from the fact that the same context is used by several different APIs (muxers/demuxers, parsers, bitstream filters and encoders/decoders) simultaneously, with there being no clear rules for who can modify what and the different processes being typically delayed with respect to each other. - avformat_find_stream_info() making it necessary to support opening and closing a single codec context multiple times, thus complicating the semantics of freeing various allocated objects in the codec context. Those problems are resolved by replacing the AVStream embedded codec context with a newly added AVCodecParameters instance, which stores only the stream parameters exported by the demuxers or read by the muxers.	9 years ago
Luca Barbato	ce70f28a17	avpacket: Replace av_free_packet with av_packet_unref `av_packet_unref` matches the AVFrame ref-counted API and can be used as a drop in replacement. Deprecate `av_free_packet`.	9 years ago
Michael Niedermayer	a924b83ccc	avformat/nsvdec: remove trace log from probe(), this is better done generically not per format Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Vittorio Giovara	1a3eb042c7	Replace av_dlog with normal av_log at trace level This applies to every library where performance is not critical.	10 years ago
Michael Niedermayer	e0d8ff5ef1	avformat/nsvdec: Use av_malloc_array() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Diego Biurrun	daf8cf358a	avformat: Don't anonymously typedef structs	10 years ago
Paul B Mahol	c099783316	avformat/nsvdec: remove case which is no longer possible Check of channels !=0 is right above. Signed-off-by: Paul B Mahol <onemda@gmail.com>	10 years ago
Vittorio Giovara	7c51d79ca7	nsvdec: validate channels and samplerate Avoid a division by zero. CC: libav-stable@libav.org Bug-Id: CID 717749	10 years ago
Michael Niedermayer	8d7ce5cdb7	avformat/nsvdec: Check the return value of av_get_packet() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	edf1cb7aee	avformat/nsvdec: Check av_get_packet() return value Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	bf16872fec	avformat/nsvdec: fix out-commented asserts so the function names exist 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>	10 years ago
James Almer	d34ec64a22	replace calls to url_feof() with avio_feof() Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Anton Khirnov	27c1f82f56	nsvdec: remove commented out cruft	11 years ago
Diego Biurrun	9f84ed8cc3	nsvdec: Remove commented-out debug cruft	12 years ago
Diego Biurrun	e0f8be6413	avformat: Add AVPROBE_SCORE_EXTENSION define and use where appropriate	12 years ago
Diego Biurrun	ac9362c5d9	Move misplaced file author information where it belongs	12 years ago
Diego Biurrun	523c7bd23c	misc typo, style and wording fixes	12 years ago
Justin Ruggles	bfe5454cd2	lavf: move ff_codec_get_tag() and ff_codec_get_id() definitions to internal.h	12 years ago
Michael Niedermayer	d633e15d7d	nsvdec: fix division by 0 Fixes CID717749 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	a1fb2b935a	nsvdec: change 2 commented assert() to av_assert() they keep showing up if i grep for non av assert() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Anton Khirnov	36ef5369ee	Replace all CODEC_ID_* with AV_CODEC_ID_*	12 years ago
Diego Biurrun	30b1961c66	Mark a number of variables only used in av_dlog() calls as av_unused. This fixes a number of unused-but-set gcc warnings.	13 years ago
Diego Biurrun	6df5c528ca	Move some conditionally used variables into the block where they are used. This allows dropping the av_unused argument from them.	13 years ago
Diego Biurrun	7331b6e718	Drop some completely unnecessary av_unused attributes.	13 years ago
Joakim Plate	8dcd00eabd	nsvdec: Check return value of avio_seek and avoid modifying state if it fails Signed-off-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>	13 years ago
Alex Converse	c898431ca5	nsvdec: Propagate errors Related to CVE-2011-3940. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind	13 years ago
Alex Converse	8fd8a48263	nsvdec: Be more careful with av_malloc(). Check results for av_malloc() and fix an overflow in one call. Related to CVE-2011-3940. Based in part on work from Michael Niedermayer. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind	13 years ago
Michael Niedermayer	6a89b41d97	nsvdec: Fix use of uninitialized streams. Fixes CVE-2011-3940 (Out of bounds read resulting in out of bounds write) Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit `5c011706bc`) Signed-off-by: Alex Converse <alex.converse@gmail.com>	13 years ago
Anton Khirnov	6e9651d106	lavf: remove AVFormatParameters from AVFormatContext.read_header signature	13 years ago
Michael Niedermayer	5c011706bc	nsvdec: Fix use of uninitialized streams. Fixes CVE-2011-3940 (Out of bounds read resulting in out of bounds write) Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	b9e0e9537a	nsvdec: Check av_malloc(string_size) This can easily be NULL as string_size can be 2g in a damaged file. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Reimar Döffinger	36be045ed7	Support "VLB " audio in NSV files. See samples/nsv/vlb_audio. Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>	13 years ago
Reimar Döffinger	c3068d43a8	Support VP8 in NSV. Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>	13 years ago
Anton Khirnov	c3f9ebf743	lavf: make av_set_pts_info private. It's supposed to be called only from (de)muxers.	13 years ago
Diego Biurrun	20566eb0f0	Replace outdated references to ffmpeg tool with avconv.	13 years ago
Anton Khirnov	84ad31ff18	lavf: replace av_new_stream->avformat_new_stream part II. Manual replacements are done in this commit. In many cases, the id is some constant made up number (e.g. 0 for video and 1 for audio), which is then not used in the demuxer for anything. Those ids are removed.	13 years ago
Joakim Plate	e22155ef0e	[nsv] Check return value of avio_seek and avoid modifying state if it fails	13 years ago
Anton Khirnov	dfc2c4d900	lavf: use designated initialisers for all (de)muxers. It's more readable and less prone to breakage.	14 years ago
Mans Rullgard	0ebcdf5cda	Do not include mathematics.h in avutil.h Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Diego Biurrun	35fa0d4758	nsvdec: Propagate error values instead of returning 0 in nsv_read_header(). This eliminates a warning about a set-but-unused variable.	14 years ago
Aurelien Jacobs	eb8de45c3c	nsv: simplify probe function	14 years ago
Aurelien Jacobs	223694b404	nsv: return error code instead of discarding it in read_header()	14 years ago
Diego Biurrun	919d7a345a	Replace DEBUG_SEEK/DEBUG_SI + av_log combinations by av_dlog.	14 years ago
Anton Khirnov	d2d67e424f	Remove all uses of now deprecated metadata functions.	14 years ago
Mans Rullgard	5e1166b31b	Mark some variables with av_unused Most of these variables are only used in av_dlog statements, some are required but not used by other macros. Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago
Thierry Foucu	b7903ab16b	If a MP3 file contains the string NSVs, the NSV probe will think it is a NSV file instead of a MP3 file. Check for 0xBEEF after a Video/Audio chunck for more accuracy. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	14 years ago
Thierry Foucu	45faf7fcd3	nsv: Fix misdetection of MP3 files as NSV. If an MP3 file contains the string NSVs, the NSV probe will confuse it for an NSV file. Check for 0xBEEF after a Video/Audio chunk to achieve more accuracy. Signed-off-by: Diego Biurrun <diego@biurrun.de>	14 years ago
Mans Rullgard	2912e87a6c	Replace FFmpeg with Libav in licence headers Signed-off-by: Mans Rullgard <mans@mansr.com>	14 years ago

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147 Commits (1412e5a004eaa62f7ce4e222b0cb9e921ee233e2)