avformat/flac_picture: try to guess PNG by actual picture data
authorPaul B Mahol <onemda@gmail.com>
Thu, 13 Dec 2018 19:12:52 +0000 (20:12 +0100)
committerPaul B Mahol <onemda@gmail.com>
Fri, 14 Dec 2018 10:32:27 +0000 (11:32 +0100)
commite9817636a7e132129fee0c34e05f224da14c5200
tree442ba142175c69c648619b862bdb3afe7ecb910d
parent6f058b5cef67ffdb45f1d99553537efa9d3c1c1a
avformat/flac_picture: try to guess PNG by actual picture data

Fixes #5028.
libavformat/flac_picture.c