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${ noResults }
2 Commits (58dce6f010dd1c083308a7f582990e90432e2967)
Author | SHA1 | Message | Date |
---|---|---|---|
Vadym Bezdushnyi | bc04ea39a5 |
avformat/movenccenc: Fix memory leak for muxing CENC-encrypted files
Memory for auxillary_info was not freed after usage. Leak can be reproduced with following commands: Optionally, generate input video: ffmpeg -f lavfi -i testsrc=duration=10:size=1280x720:rate=30 input.mp4 Run ffmpeg with valgrind: valgrind --leak-check=full --show-leak-kinds=all \ ffmpeg -y -i input.mp4 -vcodec copy -acodec copy \ -encryption_scheme cenc-aes-ctr \ -encryption_key 00000000000000000000000000000000 \ -encryption_kid 00000000000000000000000000000000 \ ffmpeg_encrypted.mp4 For test video which has duration of 10 sec, leak is 4 Kb. For 100 sec video, leak will be 33 Kb. Most likely, leaked memory will grow linearly to the number of input frames. Signed-off-by: Vadym Bezdushnyi <vadim.bezdush@gmail.com> Signed-off-by: Marton Balint <cus@passwd.hu> |
4 years ago |
erankor | 4469e8ebb2 |
movenc: support cenc (common encryption)
support writing encrypted mp4 using aes-ctr, conforming to ISO/IEC 23001-7. 3 new parameters were added: - encryption_scheme - allowed values are none (default) and cenc-aes-ctr - encryption_key - 128 bit encryption key (hex) - encryption_kid - 128 bit encryption key identifier (hex) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |