AV_NOPTS_VALUE_   152 modules/videoio/src/cap_ffmpeg_impl.hpp #define AV_NOPTS_VALUE_ ((int64_t)0x8000000000000000LL)
AV_NOPTS_VALUE_   154 modules/videoio/src/cap_ffmpeg_impl.hpp #define AV_NOPTS_VALUE_ ((int64_t)AV_NOPTS_VALUE)