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* ffmpeg: reset the dict iterator before useAnton Khirnov2021-08-29
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* avcodec/libx264: add support for setting chroma sample locationJan Ekström2021-08-29
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* avfilter: add grayworld video filterPaul Buxton2021-08-29
| | | | | | | | Implements a gray world color correction algorithm using a log scale LAB colorspace. Signed-off-by: Paul Buxton <paulbuxton.mail@googlemail.com> Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/af_acrossover: check for rest of sample formatsPaul B Mahol2021-08-29
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* avfilter/vf_tpad: rescale EOF pts for case outlink time_base differsPaul B Mahol2021-08-29
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* avfilter/af_crystalizer: refactor some codePaul B Mahol2021-08-29
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* avfilter/af_crystalizer: fix some minor issuesPaul B Mahol2021-08-29
| | | | | Do multiplications instead of divisions and use floats where makes sense.
* avcodec/mlpdec: add flush supportPaul B Mahol2021-08-29
| | | | Fixes spurious lossless check failures when seeking.
* avformat/avidec: Use 64bit for frame number in odml index parsingMichael Niedermayer2021-08-28
| | | | | | | | Fixes: signed integer overflow: 1179337772 + 1392508928 cannot be represented in type 'int' Fixes: 34088/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5846945303232512 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mjpegbdec: Skip SOS on AVDISCARD_ALL as does mjpegMichael Niedermayer2021-08-28
| | | | | | | | | | | Fixes: NULL pointer dereference Fixes: 36342/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEGB_fuzzer-4579188072906752 Fixes: 36344/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEGB_fuzzer-5049579300061184 Fixes: 36345/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEGB_fuzzer-5301149845553152 Fixes: 36374/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEGB_fuzzer-6056312352931840 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/mjpegdec: Check for bits left in mjpeg_decode_scan_progressive_ac()Michael Niedermayer2021-08-28
| | | | | | | | Fixes: Timeout Fixes: 36262/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-4969052454912000 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/wmaprodec: return value check for init_get_bitsmaryam ebrahimzadeh2021-08-28
| | | | Also replace init_get_bits with init_get_bits8().
* avfilter/af_afreqshift: do not forget to update coeffs at runtimePaul B Mahol2021-08-28
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* avfilter: add atilt filterPaul B Mahol2021-08-28
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* avfilter: add adecorrelate filterPaul B Mahol2021-08-28
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* avformat/flac_picture: ReindentationAndreas Rheinhardt2021-08-28
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/flac_picture: Simplify parsing titleAndreas Rheinhardt2021-08-28
| | | | | | | Don't allocate the buffer for the title ourselves, leave it to av_dict_set(). This simplifies freeing. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/flac_picture: Try to reuse buffer for attached pictureAndreas Rheinhardt2021-08-28
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/oggparsevorbis: Avoid tmp bufs when parsing VorbisCommentAndreas Rheinhardt2021-08-28
| | | | | | | | | | | | | | | | | | | | | | | | A single VorbisComment consists of a length field and a non-NUL-terminated string of the form "key=value". Up until now, when parsing such a VorbisComment, zero-terminated duplicates of key and value would be created. This is wasteful if these duplicates are freed shortly afterwards, as happens in particular in case of attached pictures: In this case value is base64 encoded and only needed to decode the actual data. Therefore this commit changes this: The buffer is temporarily modified so that both key and value are zero-terminated. Then the data is used in-place and restored to its original state afterwards. This requires that the buffer has at least one byte of padding. All buffers currently have AV_INPUT_BUFFER_PADDING_SIZE bytes padding, so this is ok. Finally, this also fixes weird behaviour from ogm_chapter(): It sometimes freed given to it, leaving the caller with dangling pointers. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/oggparsevorbis: Factor parsing a single VorbisComment outAndreas Rheinhardt2021-08-28
| | | | | | This is in preparation for further commits. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* h274: remove optimization pragmaLynne2021-08-28
| | | | | | | | | | | | | | This results in warnings on compilers which don't support it, objections were raised during the review process about it but went unnoticed, and the speed benefit is highly compiler and version specific, and also not very critical. We generally hand-write assembly to optimize loops like that, rather than use compiler magic, and for 40% best case scenario, it's simply not worth it. Plus, tree vectorization is still problematic with GCC and disabled by default for a good reason, so enabling it locally is sketchy.
* doc/filters.texi: Include dnn_processing in docs of sr and derain filterShubhanshu Saxena2021-08-28
| | | | Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>
* lavfi/dnn: Rename InferenceItem to LastLevelTaskItemShubhanshu Saxena2021-08-28
| | | | | | | | | | | | | | | This patch renames the InferenceItem to LastLevelTaskItem in the three backends to avoid confusion among the meanings of these structs. The following are the renames done in this patch: 1. extract_inference_from_task -> extract_lltask_from_task 2. InferenceItem -> LastLevelTaskItem 3. inference_queue -> lltask_queue 4. inference -> lltask 5. inference_count -> lltask_count Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>
* libavfilter: Remove Async Flag from DNN Filter SideShubhanshu Saxena2021-08-28
| | | | | | | Remove async flag from filter's perspective after the unification of async and sync modes in the DNN backend. Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>
* libavfilter: Remove synchronous functions from DNN filtersShubhanshu Saxena2021-08-28
| | | | | | | | This commit removes the unused sync mode specific code from the DNN filters since the sync and async mode are now unified from the filters' perspective. Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>
* libavfilter: Unify Execution Modes in DNN FiltersShubhanshu Saxena2021-08-28
| | | | | | | | | | | | | | | | | | | | | | | This commit unifies the async and sync mode from the DNN filters' perspective. As of this commit, the Native backend only supports synchronous execution mode. Now the user can switch between async and sync mode by using the 'async' option in the backend_configs. The values can be 1 for async and 0 for sync mode of execution. This commit affects the following filters: 1. vf_dnn_classify 2. vf_dnn_detect 3. vf_dnn_processing 4. vf_sr 5. vf_derain This commit also updates the filters vf_dnn_detect and vf_dnn_classify to send only the input frame and send NULL as output frame instead of input frame to the DNN backends. Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>
* lavfi/dnn: Task-based Inference in Native BackendShubhanshu Saxena2021-08-28
| | | | | | | This commit rearranges the code in Native Backend to use the TaskItem for inference. Signed-off-by: Shubhanshu Saxena <shubhanshu.e01@gmail.com>
* avfilter/signature: fix integer rounding cast precedenceJai Luthra2021-08-28
| | | | | Co-authored-by: Oscar <oscar_davids@outlook.com> Signed-off-by: Jai Luthra <me@jailuthra.in>
* avfilter/vf_scale: reset color matrix in case of identity & non-RGBJan Ekström2021-08-28
| | | | | | | Fixes passing through mismatching metadata from the input side when RGB input (from f.ex. H.264 or HEVC) gets converted to YCbCr. Fixes #9132
* avfilter/graphdump: Use pointer to const for pointer to static stringsAndreas Rheinhardt2021-08-27
| | | | | Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter/graphdump: Don't return truncated stringAndreas Rheinhardt2021-08-27
| | | | | Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter/graphdump: Don't silently truncate channel layout stringAndreas Rheinhardt2021-08-27
| | | | | | | 64B are not enough any more. Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter/graphdump: Properly initialize AVBPrintAndreas Rheinhardt2021-08-27
| | | | | Reviewed-by: Nicolas George <george@nsup.org> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/movenc: Avoid calling strlen multiple timesAndreas Rheinhardt2021-08-27
| | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/vorbiscomment: Don't compute strlen twiceAndreas Rheinhardt2021-08-27
| | | | | Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avfilter/vf_colorcorrect: add median analyze modePaul B Mahol2021-08-27
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* avfilter/vf_blend: use float for opacity calculationsPaul B Mahol2021-08-27
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* avfilter/aeval: fix forgotten EOF case for activatePaul B Mahol2021-08-26
| | | | Bring fate test how it was previously.
* avcodec/vc1dec: return value check for init_get_bitsmaryam ebrahimzadeh2021-08-26
| | | | | | As the second argument for init_get_bits(avctx and buf) can be crafted, a return value check for this function call is necessary, so replace init_get_bits with init_get_bits8 and add return value check.
* avcodec/wmadec: handle run_level_decode errorStéphane Cerveau2021-08-26
| | | | | | | | | Consider data as invalid if ff_wma_run_level_decode gets out with an error. It avoids an unpleasant sound distorsion. See http://trac.ffmpeg.org/ticket/9358
* avcodec/wma: Return specific error codeOlivier Crête2021-08-26
| | | | | | | This way, the calling function can just forward it instead of making it up. Signed-off-by: Olivier Crête <olivier.crete@collabora.com>
* avfilter/avf_showwaves: remove invalid multiplication by 2Paul B Mahol2021-08-26
| | | | Fixes output of average filter.
* avcodec/vp6: return value check for init_get_bitsmaryam ebrahimzadeh2021-08-26
| | | | | | | | As the second argument for init_get_bits(buf) can be crafted, a return value check for this function call is necessary. Also replace init_get_bits with init_get_bits8. Signed-off-by: Peter Ross <pross@xvid.org>
* avcodec/bsf: Avoid allocation for AVBSFInternalAndreas Rheinhardt2021-08-25
| | | | | | | | | | Do this by allocating AVBSFContext together with the data that is currently in AVBSFInternal; or rather: Put AVBSFContext at the beginning of a new structure called FFBSFContext (which encompasses more than just the internal fields and is a proper context in its own right, hence the name) and remove the AVBSFInternal altogether. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/aviobuf: Use ffio_fill for paddingAndreas Rheinhardt2021-08-25
| | | | Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/aviobuf: Avoid allocation when using dynamic bufferAndreas Rheinhardt2021-08-25
| | | | | | | This can be achieved by allocating the AVIOContext and the dynamic buffer's opaque and internal write buffer together. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/avio: Move internal AVIOContext fields to avio_internal.hAndreas Rheinhardt2021-08-25
| | | | | | | | | | | | | | Currently AVIOContext's private fields are all over AVIOContext. This commit moves them into a new structure in avio_internal.h instead. Said structure contains the public AVIOContext as its first element in order to avoid having to allocate a separate AVIOContextInternal which is costly for those use cases where one just wants to access an already existing buffer via the AVIOContext-API. For these cases ffio_init_context() can't fail and always returned zero, which was typically not checked. Therefore it has been made to not return anything. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/aviobuf: Make ffio_set_buf_size() staticAndreas Rheinhardt2021-08-25
| | | | | | Possible since 9c3adb7ce23522dcceb264bc0bffd3592dd3e1a5. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/utils: Move ffio_limit() to aviobufAndreas Rheinhardt2021-08-25
| | | | | | | | It is the more natural place for it given that it only deals with I/O; in fact, the function already has the ffio prefix and its declaration already is in avio_internal.h. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
* avformat/matroskadec: Read RealAudio extradata directlyAndreas Rheinhardt2021-08-25
| | | | | | Don't use the avio-API to read a few bytes at fixed offsets. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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