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2021-09-20Replace all occurences of av_mallocz_array() by av_calloc()Andreas Rheinhardt
They do the same. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2019-09-21avutil/encryption_info: Don't pass NULL to memcpyAndreas Rheinhardt
The pointer arguments to memcpy (and several other functions of the C standard library) are not allowed to be NULL, not even when the number of bytes to copy is zero. An AVEncryptionInitInfo's data pointer is explicitly allowed to be NULL and yet av_encryption_init_info_add_side_data unconditionally used it as a source pointer to copy from. This commit changes this so that copying is only done if the number of bytes to copy is > 0. Fixes ticket #8141 as well as a part of ticket #8150. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-08-15avutil/encryption_info: Fix size calculation.Jacob Trimble
Found by Chrome's ClusterFuzz: https://crbug.com/873693 Signed-off-by: Jacob Trimble <modmaker@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-23libavutil/encryption_info: Allow multiple init info.Jacob Trimble
It is possible for there to be multiple encryption init info structure. For example, to support multiple key systems or in key rotation. This changes the AVEncryptionInitInfo struct to be a linked list so there can be multiple structs without breaking ABI. Signed-off-by: Jacob Trimble <modmaker@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-03-24avcodec/avcodec.h: Add encryption info side data.Jacob Trimble
This new side-data will contain info on how a packet is encrypted. This allows the app to handle packet decryption. Signed-off-by: Jacob Trimble <modmaker@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>