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* lavf: replace AVStream.codec with AVStream.codecparAnton Khirnov2016-02-231-15/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Replace all CODEC_ID_* with AV_CODEC_ID_*Anton Khirnov2012-08-071-2/+2
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* avformat: Drop pointless "format" from container long namesDiego Biurrun2012-07-301-1/+1
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* libavformat: Add an ff_ prefix to some lavf internal symbolsMartin Storsjö2012-02-151-1/+1
| | | | | | | | | | Prefix the functions/tables brktimegm, pcm_read_seek, dv_offset_reset, voc_get_packet, codec_movaudio_tags, codec_movvideo_tags. After this, lavf has no global symbols without the proper prefix. Signed-off-by: Martin Storsjö <martin@martin.st>
* lavf: remove AVFormatParameters from AVFormatContext.read_header signatureAnton Khirnov2012-01-271-2/+1
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* lavu: replace int/float punning functionsMans Rullgard2011-12-111-3/+3
| | | | | | | | | | | | | | | | | | The existing functions defined in intfloat_readwrite.[ch] are both slow and incorrect (infinities are not handled). This introduces a new header with fast, inline conversion functions using direct union punning assuming an IEEE-754 system, an assumption already made throughout the code. The one use of Intel/Motorola extended 80-bit format is replaced by simpler code sufficient under the present constraints (positive normal values). The old functions are marked deprecated and retained for compatibility. Signed-off-by: Mans Rullgard <mans@mansr.com>
* lavf: make av_set_pts_info private.Anton Khirnov2011-11-301-1/+2
| | | | It's supposed to be called only from (de)muxers.
* lavf,lavd: replace av_new_stream->avformat_new_stream part I.Anton Khirnov2011-10-191-1/+1
| | | | | 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 Khirnov2011-07-171-8/+6
| | | | It's more readable and less prone to breakage.
* doxygen: replace @sa tag by the more readable but equivalent @seeDiego Biurrun2011-07-151-1/+1
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* doxygen: consistently place brief descriptionDiego Biurrun2011-07-141-1/+1
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* Do not include intfloat_readwrite.h in avutil.hMans Rullgard2011-07-031-0/+1
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* Remove all uses of now deprecated metadata functions.Anton Khirnov2011-06-081-2/+3
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* Replace FFmpeg with Libav in licence headersMans Rullgard2011-03-191-4/+4
| | | | Signed-off-by: Mans Rullgard <mans@mansr.com>
* lavf: replace avio_seek(SEEK_CUR) with avio_skip where it makes senseAnton Khirnov2011-03-161-3/+3
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* avio: deprecate url_feofAnton Khirnov2011-03-071-1/+1
| | | | | | AVIOContext.eof_reached should be used directly instead. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* lavf: replace all uses of url_fskip with avio_seekAnton Khirnov2011-03-011-3/+3
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* avio: avio_ prefixes for get_* functionsAnton Khirnov2011-02-211-10/+10
| | | | | | | | | | | | | | 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 Khirnov2011-02-201-1/+1
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* Prefix all _demuxer, _muxer, _protocol from libavformat and libavdevice.Diego Elio Pettenò2011-01-261-1/+1
| | | | | 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.
* move pcm demuxers to their own fileAurelien Jacobs2010-08-301-1/+1
| | | | Originally committed as revision 24993 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Remove explicit filename from Doxygen @file commands.Diego Biurrun2010-04-201-1/+1
| | | | | | | | Passing an explicit filename to this command is only necessary if the documentation in the @file block refers to a file different from the one the block resides in. Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Define AVMediaType enum, and use it instead of enum CodecType, whichStefano Sabatini2010-03-301-1/+1
| | | | | | is deprecated and will be dropped at the next major bump. Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Replace all the occurrences of AVERROR_EIO with AVERROR(EIO), and markStefano Sabatini2010-03-131-1/+1
| | | | | | AVERROR_EIO for deletion at the next major bump. Originally committed as revision 22513 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Use AV_METADATA_DONT_STRDUP* / use av_malloced metadata instead of strdupedMichael Niedermayer2009-12-131-5/+6
| | | | | | | arrays of fixed length. Code from ffmbc with changes to adapt to our metadata API. Originally committed as revision 20836 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Do not set AVCodecContext.sample_fmt in the TMV and SoX demuxers.Justin Ruggles2009-11-071-1/+0
| | | | Originally committed as revision 20471 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Add block_align to sox input.Phil Rutschman2009-07-081-3/+6
| | | | | | Patch by Phil Rutschman: name.surname modsystems com Originally committed as revision 19371 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Implement SoX native format muxer and demuxer.Daniel Verkamp2009-05-301-0/+149
Patch by Daniel Verkamp $firstname@drv DOT nu. Originally committed as revision 18998 to svn://svn.ffmpeg.org/ffmpeg/trunk
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