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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`.
* rtpdec_asf: Check memory allocation and free memory on errorVittorio Giovara2015-06-08
| | | | | CC: libav-stable@libav.org Bug-Id: CID 1257774
* rtpdec_asf: Don't set RTP_FLAG_KEYMartin Storsjö2015-03-05
| | | | | | | | Nothing in the framework nor in the rest of the depacketizer actually uses this flag - the chained demuxer sets the keyframe flag properly on demuxed packets already. Signed-off-by: Martin Storsjö <martin@martin.st>
* rtpdec_asf: Don't free the payload context in the .close functionMartin Storsjö2015-03-04
| | | | | | This was missed in bb4a310bb. This fixes a double free on close. Signed-off-by: Martin Storsjö <martin@martin.st>
* rtpdec: Rename the free method to closeMartin Storsjö2015-02-24
| | | | | | | | | Many of these functions were named foo_free_context, and since the functions no longer should free the context itself, only allocated elements within it, the previous naming was slightly misleading. Signed-off-by: Martin Storsjö <martin@martin.st>
* rtpdec: Use ffio_free_dyn_bufMartin Storsjö2015-02-24
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* rtpdec: Get rid of all trivial .alloc/.free functionsMartin Storsjö2015-02-24
| | | | Signed-off-by: Martin Storsjö <martin@martin.st>
* rtpdec_asf: Copy the need_parsing field from the chained demuxerMartin Storsjö2014-01-23
| | | | | | | This fixes playback of mp3 streams in rtp/asf. This used to work until c6f1dc8, but mostly by coincidence. Signed-off-by: Martin Storsjö <martin@martin.st>
* avformat: Use av_reallocp() where suitableAlexandra Khirnova2013-09-18
| | | | Signed-off-by: Diego Biurrun <diego@biurrun.de>
* rtpdec: Pass the sequence number to depacketizersMartin Storsjö2012-12-21
| | | | | | This allows depacketizers to figure out if packets have been lost. Signed-off-by: Martin Storsjö <martin@martin.st>
* Replace all CODEC_ID_* with AV_CODEC_ID_*Anton Khirnov2012-08-07
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* rtsp: Don't expose the MS-RTSP RTX data stream to the callerMartin Storsjö2012-04-08
| | | | | | | | This avoids exposing a dummy AVStream which won't get any data and which will make avformat_find_stream_info wait for info about this stream. Signed-off-by: Martin Storsjö <martin@martin.st>
* rtpdec_asf: Set the no_resync_search option for the chained asf demuxerMartin Storsjö2012-04-07
| | | | | | | | | | Searching for packet markers doesn't make sense for this use case, where packets are fed one at a time to the demuxer. This fixes playing back streams that have packets not starting with the 0x82, 0x00, 0x00 marker. Signed-off-by: Martin Storsjö <martin@martin.st>
* lavf: deprecate av_read_packet().Anton Khirnov2012-03-20
| | | | | | The caller can achieve the same effect (i.e. getting raw unparsed/mangled packets) with av_read_frame() and AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN
* Replace all uses of av_close_input_file() with avformat_close_input().Anton Khirnov2011-12-12
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* lavf: make av_set_pts_info private.Anton Khirnov2011-11-30
| | | | It's supposed to be called only from (de)muxers.
* rtpdec_asf: Fix integer underflow that could allow remote code executionMichael Niedermayer2011-09-07
| | | | | | | | Fixes MSVR-11-0088. Credit: Jeong Wook Oh of Microsoft and Microsoft Vulnerability Research (MSVR) Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Martin Storsjö <martin@martin.st>
* Deprecate av_open_input_* and remove their uses.Anton Khirnov2011-06-16
| | | | Deprecate the last remaining member of AVFormatParameters.
* Remove all uses of now deprecated metadata functions.Anton Khirnov2011-06-08
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* rtp: Rename the open/close functions to alloc/freeMartin Storsjö2011-04-24
| | | | | | | This avoids clashes if we internally want to override the global open function. Signed-off-by: Martin Storsjö <martin@martin.st>
* avio: avio_ prefix for url_close_dyn_bufAnton Khirnov2011-04-03
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* avio: avio_ prefix for url_open_dyn_bufAnton Khirnov2011-04-03
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* 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: 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: avio_ prefixes for put_* functionsAnton Khirnov2011-02-21
| | | | | | | | | | | | In the name of consistency: put_byte -> avio_w8 put_<type> -> avio_w<type> put_buffer -> avio_write put_nbyte will be made private put_tag will be merged with avio_put_str 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: move init_put_byte() to a new private header and rename itAnton Khirnov2011-02-20
| | | | | | | init_put_byte should never be used outside of lavf, since sizeof(AVIOContext) isn't part of public ABI. 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>
* Remove final semicolon from some macrosMans Rullgard2011-02-10
| | | | | | This avoids double semicolons after macro expansion. Signed-off-by: Mans Rullgard <mans@mansr.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.
* Copy metadata from ASF files contained in RTSP streams from ASF to RTSP layer,Ronald S. Bultje2011-01-14
| | | | | | so that applications can read it also. Originally committed as revision 26332 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Prevent overflow on random input.Ronald S. Bultje2010-08-13
| | | | Originally committed as revision 24795 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Remove mostly unnecessary rtpdec_*.h files, store the declarations in one fileMartin Storsjö2010-07-30
| | | | Originally committed as revision 24596 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Reindent, rewrap long comment lines to keep line length below 80 charsMartin Storsjö2010-07-21
| | | | Originally committed as revision 24390 to svn://svn.ffmpeg.org/ffmpeg/trunk
* rtpdec_asf: Handle RTSP-MS packet splittingMartin Storsjö2010-07-21
| | | | Originally committed as revision 24389 to svn://svn.ffmpeg.org/ffmpeg/trunk
* rtpdec_asf: Include lavu headers using quotes instead of angle bracketsMartin Storsjö2010-07-19
| | | | Originally committed as revision 24325 to svn://svn.ffmpeg.org/ffmpeg/trunk
* rtpdec_asf: Propagate errors from the chained av_open_input_streamMartin Storsjö2010-07-05
| | | | | | This fixes the crash in issue 2070. Originally committed as revision 24059 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Fix implicit cast warningEli Friedman2010-06-27
| | | | | | Patch by Eli Friedman, eli dot friedman at gmail Originally committed as revision 23817 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Remove explicit filename from Doxygen @file commands.Diego Biurrun2010-04-20
| | | | | | | | 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 Sabatini2010-03-30
| | | | | | is deprecated and will be dropped at the next major bump. Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Rename RTP depacketizer files from rtp_* to rtpdec_*Martin Storsjö2010-02-28
Originally committed as revision 22109 to svn://svn.ffmpeg.org/ffmpeg/trunk
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