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* avformat/avformat: Add FFInputFormat, hide internals of AVInputFormatAndreas Rheinhardt2024-03-07
| | | | | | | | | | | | | | | | | | | | | 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 Khirnov2024-01-20
| | | | | | | 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 Rheinhardt2023-12-22
| | | | | | | | Unnecessary since acf63d5350adeae551d412db699f8ca03f7e76b9; also avoids relocations. Reviewed-by: Anton Khirnov <anton@khirnov.net> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/internal: Don't include avcodec.hAndreas Rheinhardt2022-09-26
| | | | | | | | | | | | | | | The general demuxing API uses parsers and decoders. Therefore FFStream contains pointers to AVCodecContexts and AVCodecParserContext and lavf/internal.h includes lavc/avcodec.h. Yet actually only a few files files really use these; and it is best when this number stays small. Therefore this commit uses opaque structs in lavf/internal.h for these contexts and stops including avcodec.h. This also avoids including lavc/codec_desc.h implicitly. All other headers are implicitly included as now (mostly through codec.h). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* jack: port to new channel layout APIAnton Khirnov2022-03-15
| | | | Signed-off-by: James Almer <jamrial@gmail.com>
* lavd/jack: switch to the new FIFO APIAnton Khirnov2022-02-07
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* lavd/jack: increase buffer size for snprintf()Anton Khirnov2021-12-07
| | | | | | | | | | | | | | Maximum output size with a 32-bit int is 17 bytes, or 26 with a 64-bit int. Silences the following gcc 10 warning: src/libavdevice/jack.c: In function ‘audio_read_header’: src/libavdevice/jack.c:171:45: warning: ‘snprintf’ output may be truncated before the last format character [-Wformat-truncation=] 171 | snprintf(str, sizeof(str), "input_%d", i + 1); | ^ src/libavdevice/jack.c:171:9: note: ‘snprintf’ output between 8 and 17 bytes into a destination of size 16 171 | snprintf(str, sizeof(str), "input_%d", i + 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* avdevice: Constify all devicesAndreas Rheinhardt2021-04-27
| | | | | | | 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>
* avdevice: migrate to AVFormatContext->urlMarton Balint2018-01-28
| | | | Signed-off-by: Marton Balint <cus@passwd.hu>
* Merge commit '5a969f64b9cf40bad923c73b66c3031b0018e848'James Almer2017-10-24
|\ | | | | | | | | | | | | * commit '5a969f64b9cf40bad923c73b66c3031b0018e848': jack: Drop support for old (2012) JACK versions Merged-by: James Almer <jamrial@gmail.com>
| * jack: Drop support for old (2012) JACK versionsDiego Biurrun2017-03-28
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* | avdev/jack: remove duplicated dispatch macrosJosh de Kock2016-07-26
| | | | | | | | The macros were moved to compat/dispatch_semaphore/semaphore.h after a libav merge, and were never removed from jack.c
* | Merge commit '9200514ad8717c63f82101dc394f4378854325bf'Derek Buitenhuis2016-04-10
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Khirnov2016-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | configure&avdevice/jack: Fixed issue #43 JACK indev support on OSXJosh de Kock2016-02-22
| | | | | | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* | Merge commit 'ce70f28a1732c74a9cd7fec2d56178750bd6e457'Hendrik Leppkes2015-10-27
|\| | | | | | | | | | | | | * 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 Barbato2015-10-26
| | | | | | | | | | | | | | `av_packet_unref` matches the AVFrame ref-counted API and can be used as a drop in replacement. Deprecate `av_free_packet`.
* | Merge commit 'bc1eace1b3654c490cb2c226b3c80854244dbb9a'Michael Niedermayer2015-06-08
|\| | | | | | | | | | | | | | | | | | | * commit 'bc1eace1b3654c490cb2c226b3c80854244dbb9a': jack: Check memory allocation Conflicts: libavdevice/jack.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * jack: Check memory allocationVittorio Giovara2015-06-08
| | | | | | | | | | CC: libav-stable@libav.org Bug-Id: CID 1292520
* | Merge commit '386e2755aab73ae7075f78d92786cb5c5419597a'Michael Niedermayer2015-04-20
|\| | | | | | | | | | | | | | | | | | | * commit '386e2755aab73ae7075f78d92786cb5c5419597a': jack: Check memory allocation Conflicts: libavdevice/jack.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
| * jack: Check memory allocationFederico Tomassetti2015-04-19
| | | | | | | | | | Bug-Id: CID 1265785 Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
* | Merge commit '8d26c193fb42d08602ac93ece039d4718d029adc'Michael Niedermayer2015-04-09
|/ | | | | | | | | | | | | | * commit '8d26c193fb42d08602ac93ece039d4718d029adc': avdevice: Apply a more consistent file naming scheme Conflicts: libavdevice/Makefile libavdevice/alsa.h libavdevice/alsa_dec.c libavdevice/alsa_enc.c libavdevice/sndio_enc.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
* avdevice: Apply a more consistent file naming schemeDiego Biurrun2015-04-09
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