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* avformat: Use ffio_read_size() where appropriateAndreas Rheinhardt2025-04-251-2/+5
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/ilbc: Check avio_read() for failureMichael Niedermayer2024-11-111-1/+2
| | | | | | | | | Fixes: use of uninitialized value Fixes: 42537627/clusterfuzz-testcase-minimized-fuzzer_protocol_memory-6656646223298560-cut Found-by: ossfuzz Reported-by: Kacper Michajlow Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/mux: Add flag for "only default codecs allowed"Andreas Rheinhardt2024-03-221-6/+2
| | | | | | | | AVOutputFormat has default codecs for audio, video and subtitle and often these are the only codecs of this type allowed. So add a flag to AVOutputFormat so that this can be checked generically. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/mux: Add flag for "not more than one stream of each type"Andreas Rheinhardt2024-03-221-7/+4
| | | | | | | | | | | | | | | | More exactly: Not more than one stream of each type for which a default codec (i.e. AVOutputFormat.(audio|video|subtitle)_codec) is set; for those types for which no such codec is set (or for which no designated default codec in AVOutputFormat exists at all) no streams are permitted. Given that with this flag set the default codecs become more important, they are now set explicitly to AV_CODEC_ID_NONE for "unset"; the earlier code relied on AV_CODEC_ID_NONE being equal to zero, so that default static initialization set it accordingly; but this is not how one is supposed to use an enum. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/avformat: Add FFInputFormat, hide internals of AVInputFormatAndreas Rheinhardt2024-03-071-4/+5
| | | | | | | | | | | | | | | | | | | | | This commit does for AVInputFormat what commit 59c9dc82f450638a3068deeb1db5c56f6d155752 did for AVOutputFormat: It adds a new type FFInputFormat, moves all the internals of AVInputFormat to it and adds a now reduced AVInputFormat as first member. This does not affect/improve extensibility of both public or private fields for demuxers (it is still a mess due to lavd). This is possible since 50f34172e0cca2cabc5836308ec66dbf93f5f2a3 (which removed the last usage of an internal field of AVInputFormat in fftools). (Hint: tools/probetest.c accesses the internals of FFInputFormat as well, but given that it is a testing tool this is not considered a problem.) Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/avformat: Move AVOutputFormat internals out of public headerAndreas Rheinhardt2023-02-091-7/+8
| | | | | | | | | | | | | | This commit does for AVOutputFormat what commit 20f972701806be20a77f808db332d9489343bb78 did for AVCodec: It adds a new type FFOutputFormat, moves all the internals of AVOutputFormat to it and adds a now reduced AVOutputFormat as first member. This does not affect/improve extensibility of both public or private fields for muxers (it is still a mess due to lavd). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Signed-off-by: Anton Khirnov <anton@khirnov.net>
* configure: Use a separate config_components.h header for $ALL_COMPONENTSMartin Storsjö2022-03-161-0/+2
| | | | | | | | This avoids unnecessary rebuilds of most source files if only the list of enabled components has changed, but not the other properties of the build, set in config.h. Signed-off-by: Martin Storsjö <martin@martin.st>
* ilbc: convert to new channel layout APIVittorio Giovara2022-03-151-1/+1
| | | | | Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avformat/ilbc: Use av_get_packetAndreas Rheinhardt2021-08-061-6/+2
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat: Constify all muxer/demuxersAndreas Rheinhardt2021-04-271-2/+2
| | | | | | | 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/ilbc: Add missing #if for muxerMichael Niedermayer2020-04-071-0/+2
| | | | | | | | Fixes: building without muxers Fixes: 21594 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avformat/ilbc: Don't reimplement ff_raw_write_packetAndreas Rheinhardt2020-04-031-7/+2
| | | | | Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
* avformat: Remove unnecessary av_packet_unref()Andreas Rheinhardt2020-02-101-1/+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: remove avio_flush() calls from the end of write_header functionsMarton Balint2020-01-071-1/+0
| | | | | | | | | | | | | | To make it consistent with other muxers. The user can still control the generic flushing behaviour after write_header (same way as after packets) using the -flush_packets option, the default typically means to flush unless a non-streamed file output is used. Therefore this change should have no adverse effect on streaming, even if it is assumed that the first packet has a clean buffer, so small seekbacks within the output buffer work even when the IO context is not seekable. Signed-off-by: Marton Balint <cus@passwd.hu>
* lavf: Constify the probe function argument.Carl Eugen Hoyos2019-03-211-1/+1
| | | | | Reviewed-by: Lauri Kasanen Reviewed-by: Tomas Härdin
* Merge commit '9200514ad8717c63f82101dc394f4378854325bf'Derek Buitenhuis2016-04-101-18/+18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Khirnov2016-02-231-18/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Leppkes2015-10-271-1/+1
|\| | | | | | | | | | | | | * 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 Barbato2015-10-261-1/+1
| | | | | | | | | | | | | | `av_packet_unref` matches the AVFrame ref-counted API and can be used as a drop in replacement. Deprecate `av_free_packet`.
| * lavf: Don't explicitly flush after each written packet in muxersClément Bœsch2013-09-161-1/+0
| | | | | | | | | | | | | | | | Since 596e5d4783, this is not necessary anymore. It also allows to actually disable the flushing, improving write performance (but possibly giving worse latency in real-time streaming). Signed-off-by: Martin Storsjö <martin@martin.st>
* | lavf: remove some flushing in write_packet muxers callbacks.Clément Bœsch2013-04-141-1/+0
| | | | | | | | | | Since 4f112a8e3, this is not necessary anymore. Also, it allows to actually disable the flushing.
* | Merge commit '36ef5369ee9b336febc2c270f8718cec4476cb85'Michael Niedermayer2012-08-071-3/+3
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Khirnov2012-08-071-3/+3
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* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2012-07-301-2/+2
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Biurrun2012-07-301-2/+2
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* | Merge remote-tracking branch 'qatar/master'Michael Niedermayer2012-06-191-4/+4
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * qatar/master: (24 commits) flvdec: remove incomplete, disabled seeking code mem: add support for _aligned_malloc() as found on Windows lavc: Extend the documentation for avcodec_init_packet flvdec: remove incomplete, disabled seeking code http: replace atoll() with strtoll() mpegts: remove unused/incomplete/broken seeking code af_amix: allow float planar sample format as input af_amix: use AVFloatDSPContext.vector_fmac_scalar() float_dsp: add x86-optimized functions for vector_fmac_scalar() float_dsp: Move vector_fmac_scalar() from libavcodec to libavutil lavr: Add x86-optimized function for flt to s32 conversion lavr: Add x86-optimized function for flt to s16 conversion lavr: Add x86-optimized functions for s32 to flt conversion lavr: Add x86-optimized functions for s32 to s16 conversion lavr: Add x86-optimized functions for s16 to flt conversion lavr: Add x86-optimized function for s16 to s32 conversion rtpenc: Support packetizing iLBC rtpdec: Add a depacketizer for iLBC Implement the iLBC storage file format mov: Support muxing/demuxing iLBC ... Conflicts: Changelog configure libavcodec/avcodec.h libavcodec/dsputil.c libavcodec/version.h libavformat/movenc.c libavformat/mpegts.c libavformat/version.h libavutil/mem.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
* Implement the iLBC storage file formatMartin Storsjö2012-06-181-0/+141
Signed-off-by: Martin Storsjö <martin@martin.st>
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