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* avformat/rpl: Use 64bit for duration computationMichael Niedermayer2022-09-241-1/+1
| | | | | | | | Fixes: signed integer overflow: 24709512 * 88 cannot be represented in type 'int' Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6737973728641024 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* rpl: convert to new channel layout APIVittorio Giovara2022-03-151-2/+4
| | | | | Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avformat: Avoid allocation for AVStreamInternalAndreas Rheinhardt2021-09-171-2/+4
| | | | | | | | | | Do this by allocating AVStream together with the data that is currently in AVStreamInternal; or rather: Put AVStream at the beginning of a new structure called FFStream (which encompasses more than just the internal fields and is a proper context in its own right, hence the name) and remove AVStreamInternal altogether. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/rpl: The associative law doesnt hold for signed integers in CMichael Niedermayer2021-06-121-1/+1
| | | | | | | | | Add () to avoid undefined behavior Fixes: signed integer overflow: 9223372036854775790 + 57 cannot be represented in type 'long' Fixes: 34983/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5765822923538432 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/rpl: Check for EOF and zero framesizeMichael Niedermayer2021-06-081-1/+1
| | | | | | | | | Fixes: Infinite loop Fixes: 34751/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5439330800762880 Fixes: 34774/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5851571660390400 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/rpl: Use 64bit in bitrate computation and check itMichael Niedermayer2021-06-051-2/+4
| | | | | | | | Fixes: signed integer overflow: 777777776 * 4 cannot be represented in type 'int' Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-6726188921913344 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/rpl: Support files containing Replay IMA ADPCM audioCameron Cawley2021-05-091-3/+11
| | | | Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
* avformat/rpl: cosmeticsZane van Iperen2021-05-061-16/+10
| | | | Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
* avformat: Constify all muxer/demuxersAndreas Rheinhardt2021-04-271-1/+1
| | | | | | | This is possible now that the next-API is gone. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avformat/rpl: Check the number of streamsMichael Niedermayer2020-12-091-0/+3
| | | | | | | | | Fixes: out of memory access Fixes: 27787/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-4743666463408128.fuzz Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavf: move AVStream.*index_entries* to AVStreamInternalAnton Khirnov2020-10-281-2/+2
| | | | | | | Those are private fields, no reason to have them exposed in a public header. Since there are some (semi-)public fields located after these, even though this section is supposed to be private, keep some dummy padding there until the next major bump to preserve ABI compatibility.
* avformat: Remove unnecessary av_packet_unref()Andreas Rheinhardt2020-02-101-2/+0
| | | | | | | | | Since bae8844e the packet will always be unreferenced when a demuxer returns an error, so that a lot of calls to av_packet_unref() in lots of demuxers are now redundant and can be removed. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: Marton Balint <cus@passwd.hu>
* avformat/rpl: Replace strcpy with av_strlcpyCameron Cawley2019-07-101-1/+1
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/rpl: Calculate the duration of the video trackCameron Cawley2019-07-051-1/+3
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/rpl: Allow a file to have audio, but not videoCameron Cawley2019-07-051-34/+44
| | | | | Signed-off-by: Cameron Cawley <ccawley2011@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/rpl: Fix detection of 8-bit linear formatsCameron Cawley2019-07-051-2/+2
| | | | | | | | Was previously broken by commit 8cf5f94. Fixes ticket #7859 Signed-off-by: Cameron Cawley <ccawley2011@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lavf/rpl: Don't be case-sensitive detecting codecs.Carl Eugen Hoyos2019-05-051-2/+2
| | | | | Fixes ticket #7859 Reported and tested by Steffen Ohrendorf, steffen d ohrendorf a gmx d de
* lavf: Constify the probe function argument.Carl Eugen Hoyos2019-03-211-1/+1
| | | | | Reviewed-by: Lauri Kasanen Reviewed-by: Tomas Härdin
* avformat/rpl: Support files containing 8 bit PCM or VIDC audioCameron Cawley2018-10-261-1/+16
| | | | Signed-off-by: Cameron Cawley <ccawley2011@gmail.com>
* Fix all -Wformat warnings raised by DJGPPClément Bœsch2017-03-291-4/+4
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* Merge commit '9200514ad8717c63f82101dc394f4378854325bf'Derek Buitenhuis2016-04-101-36/+36
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '9200514ad8717c63f82101dc394f4378854325bf': lavf: replace AVStream.codec with AVStream.codecpar This has been a HUGE effort from: - Derek Buitenhuis <derek.buitenhuis@gmail.com> - Hendrik Leppkes <h.leppkes@gmail.com> - wm4 <nfxjfg@googlemail.com> - Clément Bœsch <clement@stupeflix.com> - James Almer <jamrial@gmail.com> - Michael Niedermayer <michael@niedermayer.cc> - Rostislav Pehlivanov <atomnuker@gmail.com> Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
| * lavf: replace AVStream.codec with AVStream.codecparAnton Khirnov2016-02-231-36/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | Merge commit 'ce70f28a1732c74a9cd7fec2d56178750bd6e457'Hendrik Leppkes2015-10-271-2/+2
|\ \ | |/ | | | | | | | | | | * commit 'ce70f28a1732c74a9cd7fec2d56178750bd6e457': avpacket: Replace av_free_packet with av_packet_unref Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
| * avpacket: Replace av_free_packet with av_packet_unrefLuca Barbato2015-10-261-2/+2
| | | | | | | | | | | | | | `av_packet_unref` matches the AVFrame ref-counted API and can be used as a drop in replacement. Deprecate `av_free_packet`.
* | avformat/rpl: check av_get_packet() for failurePaul B Mahol2015-02-061-1/+5
| | | | | | | | | | | | Also make ret signed as it should be from start. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* | replace calls to url_feof() with avio_feof()James Almer2014-08-081-1/+1
| | | | | | | | | | Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge commit 'd92024f18fa3d69937cb2575f3a8bf973df02430'Michael Niedermayer2014-03-111-2/+3
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit 'd92024f18fa3d69937cb2575f3a8bf973df02430': lavf: more correct printf format specifiers Conflicts: libavformat/asfdec.c libavformat/cafdec.c libavformat/dxa.c libavformat/framecrcenc.c libavformat/hnm.c libavformat/iff.c libavformat/mov.c libavformat/mxfdec.c libavformat/rmdec.c libavformat/rpl.c libavformat/smacker.c libavformat/xmv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: more correct printf format specifiersDiego Biurrun2014-03-111-2/+2
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* | rpl: Dont fill the index with entries that failed to be parsedMichael Niedermayer2013-12-191-1/+3
| | | | | | | | | | | | | | Fixes use of uninitialized memory Fixes: msan_uninit-mem_7fd10a199a3c_6204_landing.rpl Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2013-11-241-1/+3
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: Add missing #includes for *INT64_MAX and *INT64_C Conflicts: ffmpeg.c ffmpeg_filter.c ffplay.c libavformat/assdec.c libavformat/avidec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * Add missing #includes for *INT64_MAX and *INT64_CDiego Biurrun2013-11-231-1/+3
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| * Escape 130 (RPL) decoderEli Friedman2013-05-181-2/+0
| | | | | | | | | | | | | | | | Some fixes provided by Paul B Mahol <onemda@gmail.com> and Michael Niedermayer <michaelni@gmx.at> and me. Signed-off-by: Diego Biurrun <diego@biurrun.de> Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
* | avformat/rpl: use avpriv_report_missing_feature/avpriv_request_samplePaul B Mahol2013-10-141-8/+4
| | | | | | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* | Replace all occurrences of PRI in sscanf() calls with SCNJames Almer2013-04-101-1/+1
| | | | | | | | Signed-off-by: James Almer <jamrial@gmail.com>
* | rpl: return AVERROR_EOF instead of -1Piotr Bandurski2012-11-211-1/+1
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* | Merge commit '36ef5369ee9b336febc2c270f8718cec4476cb85'Michael Niedermayer2012-08-071-9/+9
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * commit '36ef5369ee9b336febc2c270f8718cec4476cb85': Replace all CODEC_ID_* with AV_CODEC_ID_* lavc: add AV prefix to codec ids. Conflicts: doc/APIchanges doc/examples/decoding_encoding.c doc/examples/muxing.c ffmpeg.c ffprobe.c ffserver.c libavcodec/8svx.c libavcodec/avcodec.h libavcodec/dnxhd_parser.c libavcodec/dvdsubdec.c libavcodec/error_resilience.c libavcodec/h263dec.c libavcodec/libvorbisenc.c libavcodec/mjpeg_parser.c libavcodec/mjpegenc.c libavcodec/mpeg12.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/mpegvideo_enc.c libavcodec/pcm.c libavcodec/r210dec.c libavcodec/utils.c libavcodec/v210dec.c libavcodec/version.h libavdevice/alsa-audio-dec.c libavdevice/bktr.c libavdevice/v4l2.c libavformat/asfdec.c libavformat/asfenc.c libavformat/avformat.h libavformat/avidec.c libavformat/caf.c libavformat/electronicarts.c libavformat/flacdec.c libavformat/flvdec.c libavformat/flvenc.c libavformat/framecrcenc.c libavformat/img2.c libavformat/img2dec.c libavformat/img2enc.c libavformat/ipmovie.c libavformat/isom.c libavformat/matroska.c libavformat/matroskadec.c libavformat/matroskaenc.c libavformat/mov.c libavformat/movenc.c libavformat/mp3dec.c libavformat/mpeg.c libavformat/mpegts.c libavformat/mxf.c libavformat/mxfdec.c libavformat/mxfenc.c libavformat/nsvdec.c libavformat/nut.c libavformat/oggenc.c libavformat/pmpdec.c libavformat/rawdec.c libavformat/rawenc.c libavformat/riff.c libavformat/sdp.c libavformat/utils.c libavformat/vocenc.c libavformat/wtv.c libavformat/xmv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * Replace all CODEC_ID_* with AV_CODEC_ID_*Anton Khirnov2012-08-071-9/+9
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* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2012-07-301-1/+1
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: avformat: Drop pointless "format" from container long names swscale: bury one more piece of inline asm under HAVE_INLINE_ASM. wv: K&R formatting cosmetics configure: Add missing descriptions to help output h264_ps: declare array of colorspace strings on its own line. fate: amix: specify f32 sample format for comparison tiny_psnr: support 32-bit float samples eamad/eatgq/eatqi: call special EA IDCT directly eamad: remove use of MpegEncContext mpegvideo: remove unnecessary inclusions of faandct.h af_asyncts: avoid overflow in out_size with large delta values af_asyncts: add first_pts option Conflicts: configure libavcodec/eamad.c libavcodec/h264_ps.c libavformat/crcenc.c libavformat/ffmdec.c libavformat/ffmenc.c libavformat/framecrcenc.c libavformat/md5enc.c libavformat/nutdec.c libavformat/rawenc.c libavformat/yuv4mpeg.c tests/tiny_psnr.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * avformat: Drop pointless "format" from container long namesDiego Biurrun2012-07-301-1/+1
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* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2012-01-281-1/+1
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: (71 commits) movenc: Allow writing to a non-seekable output if using empty moov movenc: Support adding isml (smooth streaming live) metadata libavcodec: Don't crash in avcodec_encode_audio if time_base isn't set sunrast: Document the different Sun Raster file format types. sunrast: Add a check for experimental type. libspeexenc: use AVSampleFormat instead of deprecated/removed SampleFormat lavf: remove disabled FF_API_SET_PTS_INFO cruft lavf: remove disabled FF_API_OLD_INTERRUPT_CB cruft lavf: remove disabled FF_API_REORDER_PRIVATE cruft lavf: remove disabled FF_API_SEEK_PUBLIC cruft lavf: remove disabled FF_API_STREAM_COPY cruft lavf: remove disabled FF_API_PRELOAD cruft lavf: remove disabled FF_API_NEW_STREAM cruft lavf: remove disabled FF_API_RTSP_URL_OPTIONS cruft lavf: remove disabled FF_API_MUXRATE cruft lavf: remove disabled FF_API_FILESIZE cruft lavf: remove disabled FF_API_TIMESTAMP cruft lavf: remove disabled FF_API_LOOP_OUTPUT cruft lavf: remove disabled FF_API_LOOP_INPUT cruft lavf: remove disabled FF_API_AVSTREAM_QUALITY cruft ... Conflicts: doc/APIchanges libavcodec/8bps.c libavcodec/avcodec.h libavcodec/libx264.c libavcodec/mjpegbdec.c libavcodec/options.c libavcodec/sunrast.c libavcodec/utils.c libavcodec/version.h libavcodec/x86/h264_deblock.asm libavdevice/libdc1394.c libavdevice/v4l2.c libavformat/avformat.h libavformat/avio.c libavformat/avio.h libavformat/aviobuf.c libavformat/dv.c libavformat/mov.c libavformat/utils.c libavformat/version.h libavformat/wtv.c libavutil/Makefile libavutil/file.c libswscale/x86/input.asm libswscale/x86/swscale_mmx.c libswscale/x86/swscale_template.c tests/ref/lavf/ffm Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: remove AVFormatParameters from AVFormatContext.read_header signatureAnton Khirnov2012-01-271-1/+1
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* | rpl: Fix near infinite loop in index reading due to missing eof check.Michael Niedermayer2011-12-241-2/+2
| | | | | | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* | rpl: enable escape130 codecPaul B Mahol2011-12-011-2/+0
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* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2011-12-011-2/+3
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: rtpdec: Templatize the code for different g726 bitrate variants rv40: move loop filter to rv34dsp context lavf: make av_set_pts_info private. rtpdec: Add support for G726 audio rtpdec: Add an init function that can do custom codec context initialization avconv: make copy_tb on by default. matroskadec: don't set codec timebase. rmdec: don't set codec timebase. avconv: compute next_pts from input packet duration when possible. lavf: estimate frame duration from r_frame_rate. avconv: update InputStream.pts in the streamcopy case. Conflicts: avconv.c libavdevice/alsa-audio-dec.c libavdevice/bktr.c libavdevice/fbdev.c libavdevice/libdc1394.c libavdevice/oss_audio.c libavdevice/v4l.c libavdevice/v4l2.c libavdevice/vfwcap.c libavdevice/x11grab.c libavformat/au.c libavformat/eacdata.c libavformat/flvdec.c libavformat/mpegts.c libavformat/mxfenc.c libavformat/rtpdec_g726.c libavformat/wtv.c libavformat/xmv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: make av_set_pts_info private.Anton Khirnov2011-11-301-2/+3
| | | | | | | | It's supposed to be called only from (de)muxers.
* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2011-10-201-2/+2
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: presets: rename presets directory lavc: make avcodec_get_context_defaults3 "officially" public lavf: replace av_new_stream->avformat_new_stream part II. lavf,lavd: replace av_new_stream->avformat_new_stream part I. lavf: add avformat_new_stream as a replacement for av_new_stream. Use correct scaling table for bwd-pred MVs in second B-field Ut Video decoder Makefile: change presets extension to .avpreset lavfi: add rgbtestsrc source, ported from MPlayer libmpcodecs lavfi: add testsrc source AVOptions: add documentation. presets: update libx264 ffpresets Conflicts: Changelog doc/APIchanges doc/ffmpeg.texi ffpresets/libx264-ipod320.ffpreset ffpresets/libx264-ipod640.ffpreset ffserver.c libavcodec/avcodec.h libavcodec/options.c libavcodec/version.h libavdevice/libdc1394.c libavfilter/avfilter.h libavfilter/vsrc_testsrc.c libavformat/flvdec.c libavformat/riff.c libavformat/version.h libavformat/wtv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf,lavd: replace av_new_stream->avformat_new_stream part I.Anton Khirnov2011-10-191-2/+2
| | | | | | | | | | Trivial replacements with sed are done in this commit: sed 's/av_new_stream(\([^)]*\), 0)/avformat_new_stream(\1, NULL)/'
* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2011-07-171-6/+6
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: ffmpeg: fix some indentation ffmpeg: fix operation with --disable-avfilter simple_idct: remove disabled code motion_est: remove disabled code vc1: remove disabled code fate: separate lavf-mxf_d10 test from lavf-mxf cabac: Move code only used in the cabac test program to cabac.c. ffplay: warn that -pix_fmt is no longer working, suggest alternative ffplay: warn that -s is no longer working, suggest alternative lavf: rename enc variable in utils.c:has_codec_parameters() lavf: use designated initialisers for all (de)muxers. wav: remove a use of deprecated AV_METADATA_ macro rmdec: remove useless ap parameter from rm_read_header_old() dct-test: remove write-only variable des: fix #if conditional around P_shuffle Use LOCAL_ALIGNED in ff_check_alignment() Conflicts: ffmpeg.c libavformat/avidec.c libavformat/matroskaenc.c libavformat/mp3enc.c libavformat/oggenc.c libavformat/utils.c tests/ref/lavf/mxf Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * lavf: use designated initialisers for all (de)muxers.Anton Khirnov2011-07-171-6/+6
| | | | | | | | It's more readable and less prone to breakage.
* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2011-06-091-3/+4
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: crypto: Use av_freep instead of av_free lavf: don't try to free private options if priv_data is NULL. swscale: fix types of assembly arguments. swscale: move two macros that are only used once into caller. swscale: remove unused function. options: Add missing braces around struct initializer. mov: Remove leftover crufty debug statement with references to a local file. dvbsubdec: Fix compilation of debug code. Remove all uses of now deprecated metadata functions. Move metadata API from lavf to lavu. Conflicts: doc/APIchanges libavformat/aiffdec.c libavformat/asfdec.c libavformat/avformat.h libavformat/avidec.c libavformat/cafdec.c libavformat/matroskaenc.c libavformat/mov.c libavformat/mp3enc.c libavformat/wtv.c libavutil/avutil.h libavutil/internal.h libswscale/swscale.c libswscale/x86/swscale_template.c Merged-by: Michael Niedermayer <michaelni@gmx.at>