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* avformat/avformat: Add AVFMT_AVOID_NEG_TS_DISABLEDAndreas Rheinhardt2022-01-21
| | | | | | And also don't use explicit constants in the movenc test. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat: Remove deprecated AVFMT_FLAG_MP4A_LATM flag, latm optionAndreas Rheinhardt2021-04-27
| | | | | | | Deprecated in 67747c89ad4d3bfb4381c3d274603a4f0da773d8. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avformat: Remove remnants of side data mergingAndreas Rheinhardt2021-04-27
| | | | | | | | Deprecated in d682ae70b4b3a53fb73ec30281f9f4cfbc531edd, ineffective since ca4df37f06f8a47651c67693b4851ed8d7e3ef74. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
* remove CHAR_MIN/CHAR_MAX usagePaul B Mahol2020-03-17
| | | | It is not needed at all.
* avformat/options_table: err_detect compliant and aggressive should also ↵Michael Niedermayer2019-12-31
| | | | | | enable the weaker checks Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat: Add max_probe_packets optionAndriy Gelman2019-11-03
| | | | | | | Allows user to set maximum number of buffered packets when probing a codec. It was a hard-coded parameter before this commit. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat: deprecate unused MP4A_LATM flagGyan Doshi2018-06-13
| | | | | | | A generic lavf flag for AAC LATM packetization for the RTP muxer was added in ef409645f0 and then made inert 20 days later in 0832122880 when a private muxer option was added and the generic flag no longer read.
* avformat: add skip_estimate_duration_from_ptsAman Gupta2018-05-17
| | | | | | | | | | | | | | | | | | | For seekable mpegts streams, duration is calculated from pts by seeking to the end of the file for a pts and subtracting the initial pts to compute a duration. This can be expensive in terms of added latency during probe, especially when streaming over a network. This new option lets you skip the duration calculation, which is useful when you don't care about the value and want to save some overhead. This patch is particularly useful when dealing with live mpegts streams. Normally such streams are not seekable, so durations are not calculated. However in my case I am dealing with a seekable live mpegts stream (networked access to a .ts file which is still being appended to). Signed-off-by: Aman Gupta <aman@tmm1.net>
* avformat/options_table: Change the seek2any location in opt table.Jun Zhao2018-04-02
| | | | | | | | Change the seek2any location in avformat_options to make code more readable. Signed-off-by: Jun Zhao <mypopydev@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/mux: stop delaying writing the headerJames Almer2017-12-06
| | | | | | | Every bitstream filter behaves as intended now, so there's no need to wait for the first packet of every stream. Signed-off-by: James Almer <jamrial@gmail.com>
* avformat: remove use of deprecated AVFMT_FLAG_KEEP_SIDE_DATA flagJames Almer2017-10-29
| | | | | | | It has no effect whatsoever since the major bump. Replace the flag's documentation to reflect this as well. Signed-off-by: James Almer <jamrial@gmail.com>
* avformat: make flush_packets a tri-state and set it to -1 (auto) by defaultMarton Balint2017-06-24
| | | | | | | | | If flushing is not disabled, then mux.c will signal the end of the packets with an AVIO_DATA_MARKER_FLUSH_POINT, and aviobuf will be able to decide to flush or not based on the preferred minimum packet size set by the used protocol. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Marton Balint <cus@passwd.hu>
* avcodec, avformat: deprecate anything related to side data mergingwm42017-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch deprecates anything that has to do with merging/splitting side data. Automatic side data merging (and splitting), as well as all API symbols involved in it, are removed completely. Two FF_API_ defines are dedicated to deprecating API symbols related to this: FF_API_MERGE_SD_API removes av_packet_split/merge_side_data in libavcodec, and FF_API_LAVF_KEEPSIDE_FLAG deprecates AVFMT_FLAG_KEEP_SIDE_DATA in libavformat. Since it was claimed that changing the default from merging side data to not doing it is an ABI change, there are two additional FF_API_ defines, which stop using the side data merging/splitting by default (and remove any code in avformat/avcodec doing this): FF_API_MERGE_SD in libavcodec, and FF_API_LAVF_MERGE_SD in libavformat. It is very much intended that FF_API_MERGE_SD and FF_API_LAVF_MERGE_SD are quickly defined to 0 in the next ABI bump, while the API symbols are retained for a longer time for the sake of compatibility. AVFMT_FLAG_KEEP_SIDE_DATA will (very much intentionally) do nothing for most of the time it will still be defined. Keep in mind that no code exists that actually tries to unset this flag for any reason, nor does such code need to exist. Code setting this flag explicitly will work as before. Thus it's ok for AVFMT_FLAG_KEEP_SIDE_DATA to do nothing once side data merging has been removed from libavformat. In order to avoid that anyone in the future does this incorrectly, here is a small guide how to update the internal code on bumps: - next ABI bump (probably soon): - define FF_API_LAVF_MERGE_SD to 0, and remove all code covered by it - define FF_API_MERGE_SD to 0, and remove all code covered by it - next API bump (typically two years in the future or so): - define FF_API_LAVF_KEEPSIDE_FLAG to 0, and remove all code covered by it - define FF_API_MERGE_SD_API to 0, and remove all code covered by it This forces anyone who actually wants packet side data to temporarily use deprecated API to get it all. If you ask me, this is batshit fucked up crazy, but it's how we roll. Making AVFMT_FLAG_KEEP_SIDE_DATA to be set by default was rejected as an ABI change, so I'm going all the way to get rid of this once and for all. Reviewed-by: James Almer <jamrial@gmail.com> Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com> Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/options_table: Set the default maximum number of streams to 1000Michael Niedermayer2016-12-13
| | | | | | | | | Fixes CVE-2016-9561, Note the security relevance of this is disputed as running out of memory can happen with valid files Suggested-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat: Add max_streams optionMichael Niedermayer2016-12-08
| | | | | | This allows user apps to stop OOM due to excessive number of streams Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavf: add a flag to enable/disable automatic bitstream filteringRodger Combs2016-09-12
| | | | | | | This is mostly useful for muxers that wrap other muxers, such as dashenc and segment. The actual duplicated bitstream filtering is largely harmless, but delaying the header can cause problems when the muxer intended the header to be written to a separate file.
* avformat/mux: implement AVFMT_FLAG_SHORTESTMichael Niedermayer2016-09-11
| | | | | | This will allow fixing several bugs with the -shortest option Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/options_table: Add missing identifier for very strict complianceMichael Niedermayer2016-05-02
| | | | | | Fixes Ticket5443 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat: Add a protocol blacklisting APIDerek Buitenhuis2016-03-04
| | | | Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
* lavf/options_table: mark use_wallclock_as_timestamps as booleanMoritz Barsnick2016-02-18
| | | | | | | It is only used in a boolean context. Also clarify its documentation. Signed-off-by: Moritz Barsnick <barsnick@gmx.net> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat: add protocol_whitelistMichael Niedermayer2016-02-02
| | | | | | | | | | | | | Note to maintainers: update tools Note to maintainers: set a default whitelist for your protocol If that makes no sense then consider to set "none" and thus require the user to specify a white-list for sub-protocols to be opened Note, testing and checking for missing changes is needed Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat: use AV_OPT_TYPE_BOOL in a bunch of placesClément Bœsch2015-12-04
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* lavc/lavf: remove incompatible abi checks for the new 64bit fieldsJames Almer2015-09-17
| | | | | Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: James Almer <jamrial@gmail.com>
* lavf: Switch probesize and max_analyze_duration to 64bit.Carl Eugen Hoyos2015-09-15
| | | | Both are only accessible through AVOptions.
* lavf: Remove probesize32 and max_analyze_duration32 on version bump.Carl Eugen Hoyos2015-09-01
| | | | | Add FF_API_PROBESIZE_32 to allow removing 32bit probesize and 32bit max_analyze_duration after the next libavformat version bump.
* avformat: add AVFMT_FLAG_FASTSEEK, use it for mp3wm42015-04-22
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* Merge commit '1384df641994bf3d6cb51084290aa94752737bae'Michael Niedermayer2014-11-07
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '1384df641994bf3d6cb51084290aa94752737bae': lavf: Add an option for avoiding negative timestamps Conflicts: libavformat/avformat.h libavformat/mux.c libavformat/options_table.h libavformat/version.h See: 3ba0dab76ac32f0c9f50c916a73bc64e43c1fdf9 See: a89c01253190b9eb9de8e28a3252423bf7732511 Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: Add an option for avoiding negative timestampsMichael Niedermayer2014-11-07
| | | | | | | | | | | | | | | | | | | | | | This is the same logic as is invoked on AVFMT_TS_NEGATIVE, but which can be enabled manually, or can be enabled in muxers which only need it in certain conditions. Also allow using the same mechanism to force streams to start at 0. Signed-off-by: Martin Storsjö <martin@martin.st>
* | avformat: Add format_whitelistMichael Niedermayer2014-10-19
| | | | | | | | | | | | | | | | This allows restricting demuxers to a list of needed ones for improved security Note, some demuxers themselfs open other demuxers, these are only restricted if AVOptions are forwarded to them. Please check that your code does that. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | avformat: Allow choosing the dump format field separator.Michael Niedermayer2014-10-09
| | | | | | | | | | | | The default is to maintain the previous ", " for now. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | avformat/options_table: add FF_COMPLIANCE_UNOFFICIALMichael Niedermayer2014-10-05
| | | | | | | | | | | | Fixes ticket 3959 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge commit 'b263f8ffe7599d9cd27ec477a12700da8eb2790d'Michael Niedermayer2014-08-25
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'b263f8ffe7599d9cd27ec477a12700da8eb2790d': lavf: add AVFormatContext.max_ts_probe Conflicts: doc/APIchanges libavformat/avformat.h libavformat/utils.c libavformat/version.h lavf-fate/mp3 changes as the estimated input bitrate changes and that is copied to the output Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: add AVFormatContext.max_ts_probeAnton Khirnov2014-08-25
| | | | | | | | | | It allows to configure how long will avformat_find_stream_info() wait to get the first timestamp.
* | Add int64_t probesize2 instead of int probesize to AVFormatContext.Carl Eugen Hoyos2014-07-30
| | | | | | | | | | Allows to set a probesize >2G. Tested-by: Oliver Fromme
* | avformat/options_table: Fix flush_packet flag flagsMichael Niedermayer2014-06-28
| | | | | | | | | | Found-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Allow values >31bit for -analyzeduration.Carl Eugen Hoyos2014-06-10
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* | Allow >2G for skip_initial_bytes.Carl Eugen Hoyos2014-06-06
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* | Merge commit '6d212599aa684f30511fb08ca30fe2378405304e'Michael Niedermayer2014-05-29
|\| | | | | | | | | | | | | | | | | | | | | | | * commit '6d212599aa684f30511fb08ca30fe2378405304e': avformat: Provide a standard compliance flag Conflicts: doc/APIchanges libavformat/avformat.h libavformat/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * avformat: Provide a standard compliance flagLuca Barbato2014-05-28
| | | | | | | | | | | | Provide f_strict for avconv usage. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* | avformat: move default for max_analyze_duration into utils.cMichael Niedermayer2014-05-26
| | | | | | | | | | | | this way we can do better tha a single fixed constant value Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | avformat: add format_probesize to allow tuning the maximum amount of bytes ↵Michael Niedermayer2014-05-25
| | | | | | | | | | | | | | | | | | | | to identify the filetype Currently probesize is cliped at 1mb before being used for format detection. Alternatively this cliping could be removed but this would then tie various things like stream analysis to the file detection. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge commit '0c1959b056f6ccaa2eee2c824352ba93c8e36d52'Michael Niedermayer2014-05-15
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '0c1959b056f6ccaa2eee2c824352ba93c8e36d52': lavf: add AVFMT_FLAG_BITEXACT. Conflicts: doc/APIchanges libavformat/avformat.h libavformat/flacenc.c libavformat/movenc.c libavformat/oggenc.c libavformat/options_table.h libavformat/version.h tests/fate/video.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: add AVFMT_FLAG_BITEXACT.Anton Khirnov2014-05-15
| | | | | | | | | | | | | | | | Use it instead of checking CODEC_FLAG_BITEXACT in the first stream's codec context. Using codec options inside lavf is fragile and can easily break when the muxing codec context is not the encoding context.
* | avformat: add AV_EF_IGNORE_ERRMichael Niedermayer2014-05-04
| | | | | | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | avformat: extracting NTP timestamp from RTCPFred Rothganger2014-03-12
| | | | | | | | | | | | | | | | For muxing, it accepts both 0 and AV_NOPTS_VALUE. For demuxing, it will present AV_NOPTS_VALUE when start_time_realtime is unknown. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | avformat/options_table: add named constants for avoid_negative_tsMichael Niedermayer2014-02-24
| | | | | | | | | | | | | | Idea-by: ubitux Reviewed-by: Timothy Gu <timothygu99@gmail.com> Reviewed-by: Clément Bœsch <u@pkh.me> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | avformat/mux: support shifting timestamps so they start at 0Michael Niedermayer2014-02-22
| | | | | | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge commit 'd9ae1031f5edbd25c8526b4cb51aba66d3bee931'Michael Niedermayer2014-02-05
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'd9ae1031f5edbd25c8526b4cb51aba66d3bee931': lavf: improve handling of sparse streams when muxing Conflicts: doc/APIchanges libavformat/avformat.h libavformat/mux.c libavformat/options_table.h libavformat/version.h See: 37ed5df5c5e06a55724fb9eb215da1594b648282 Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: improve handling of sparse streams when muxingLuca Barbato2014-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently ff_interleave_packet_per_dts() waits until it gets a frame for each stream before outputting packets in interleaved order. Sparse streams (i.e. streams with much fewer packets than the other streams, like subtitles or audio with DTX) tend to add up latency and in specific cases end up allocating a large amount of memory. Emit the top packet from the packet_buffer if it has a time delta larger than a specified threshold. Original report of the issue and initial proposed solution by mus.svz@gmail.com. Bug-id: 31 Signed-off-by: Anton Khirnov <anton@khirnov.net>
* | lavf: add output_ts_offset option to AVFormatContextStefano Sabatini2014-02-02
| | | | | | | | | | This option can be generally useful to set an output offset, needed when setting an absolute index in the output.
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