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* lavf: replace AVStream.codec with AVStream.codecparAnton Khirnov2016-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* avpacket: Replace av_free_packet with av_packet_unrefLuca Barbato2015-10-26
| | | | | | | `av_packet_unref` matches the AVFrame ref-counted API and can be used as a drop in replacement. Deprecate `av_free_packet`.
* avformat: Add AVPROBE_SCORE_EXTENSION define and use where appropriateDiego Biurrun2013-05-04
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* avformat: av_log_ask_for_sample() ---> avpriv_request_sample()Diego Biurrun2013-03-13
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* av_log_missing_feature() ---> avpriv_report_missing_feature()Diego Biurrun2013-03-13
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* Improve wording and spelling of av_log_missing_feature messages.Diego Biurrun2012-10-23
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* Replace all CODEC_ID_* with AV_CODEC_ID_*Anton Khirnov2012-08-07
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* cosmetics: Align muxer/demuxer declarationsMartin Storsjö2012-04-06
| | | | | | | Also add missing trailing commas, break long codec_tag lines and add spaces in codec_tag declarations. Signed-off-by: Martin Storsjö <martin@martin.st>
* lavf: remove AVFormatParameters from AVFormatContext.read_header signatureAnton Khirnov2012-01-27
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* lavc: use avpriv_ prefix for ff_aac_parse_header().Anton Khirnov2011-10-20
| | | | It's used in lavf.
* lavf,lavd: replace av_new_stream->avformat_new_stream part I.Anton Khirnov2011-10-19
| | | | | Trivial replacements with sed are done in this commit: sed 's/av_new_stream(\([^)]*\), 0)/avformat_new_stream(\1, NULL)/'
* lavf: use designated initialisers for all (de)muxers.Anton Khirnov2011-07-17
| | | | It's more readable and less prone to breakage.
* Replace FFmpeg with Libav in licence headersMans Rullgard2011-03-19
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* lavf: replace avio_seek(SEEK_CUR) with avio_skip where it makes senseAnton Khirnov2011-03-16
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* avio: deprecate url_feofAnton Khirnov2011-03-07
| | | | | | AVIOContext.eof_reached should be used directly instead. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* avio: add avio_tell macro as a replacement for url_ftellAnton Khirnov2011-03-04
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* lavf: replace all uses of url_fskip with avio_seekAnton Khirnov2011-03-01
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* avio: avio_ prefixes for get_* functionsAnton Khirnov2011-02-21
| | | | | | | | | | | | | | In the name of consistency: get_byte -> avio_r8 get_<type> -> avio_r<type> get_buffer -> avio_read get_partial_buffer will be made private later get_strz is left out becase I want to change it later to return something useful. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* avio: rename ByteIOContext to AVIOContext.Anton Khirnov2011-02-20
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* Prefix all _demuxer, _muxer, _protocol from libavformat and libavdevice.Diego Elio Pettenò2011-01-26
| | | | | This also lists the objects from those two libraries as internal (by adding the ff_ prefix) so that they can then be hidden via linker scripts.
* s/IEC958/IEC 61937 - IEC958 is a lower level format.Anssi Hannula2010-12-29
| | | | | | Patch by Anssi Hannula, anssi d hannula a iki d fi Originally committed as revision 26141 to svn://svn.ffmpeg.org/ffmpeg/trunk
* S/PDIF demuxerAnssi Hannula2010-11-22
Patch by Anssi Hannula, anssi d hannula a iki d fi Originally committed as revision 25804 to svn://svn.ffmpeg.org/ffmpeg/trunk
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