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* avformat/mux: Add flag for "only default codecs allowed"Andreas Rheinhardt2024-03-221-7/+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 Rheinhardt2024-03-221-5/+2
| | | | | | | | | | | | | | | | 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 Rheinhardt2024-03-071-3/+4
| | | | | | | | | | | | | | | | | | | | | 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>
* Revert "all: Don't set AVClass.item_name to its default value"Anton Khirnov2024-01-201-0/+1
| | | | | | | Some callers assume that item_name is always set, so this may be considered an API break. This reverts commit 0c6203c97a99f69dbaa6e4011d48c331e1111f5e.
* all: Don't set AVClass.item_name to its default valueAndreas Rheinhardt2023-12-221-1/+0
| | | | | | | | Unnecessary since acf63d5350adeae551d412db699f8ca03f7e76b9; also avoids relocations. Reviewed-by: Anton Khirnov <anton@khirnov.net> 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>
* avformat/alp: Check num_channelsMichael Niedermayer2022-03-271-1/+1
| | | | | | | | | | | Fixes: division by 0 Fixes: 45615/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-582660348405350 Fixes: 45625/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-4821437943250944 Fixes: 45839/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5857286998851584.fuzz Fixes: 45844/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6552705772945408 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* 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>
* alp: convert to new channel layout APIJames Almer2022-03-151-10/+6
| | | | Signed-off-by: James Almer <jamrial@gmail.com>
* avcodec/avcodec: Stop including channel_layout.h in avcodec.hAndreas Rheinhardt2021-07-221-0/+2
| | | | | | Also include channel_layout.h directly wherever used. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/alp: don't set bits_per_raw_sampleZane van Iperen2021-07-191-1/+0
| | | | Signed-off-by: Zane van Iperen <zane@zanevaniperen.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/alp: allow seeking to startZane van Iperen2021-03-251-18/+32
| | | | | | Allows "ffplay -loop" to work. Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
* avformat: add alp muxerZane van Iperen2020-10-251-1/+147
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* avformat/alp: fix handling of TUN filesZane van Iperen2020-10-251-1/+1
| | | | Sample rate is always 22050. Verified by trying various files in the game.
* avformat/alp: tweak probe function to return MAX-1Zane van Iperen2020-03-091-1/+1
| | | | Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
* avformat: add demuxer for LEGO Racers' ALP formatZane van Iperen2020-03-091-0/+146
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com> Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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