lavfi/movie: fix display of pushed frame information

It was broken since 7e350379f87e7f7.

Also fix warnings:
libavfilter/src_movie.c: In function ‘describe_frame_to_str’:
libavfilter/src_movie.c:392:5: warning: ‘type’ is deprecated (declared at ./libavutil/frame.h:313) [-Wdeprecated-declarations]
libavfilter/src_movie.c:408:9: warning: ‘type’ is deprecated (declared at ./libavutil/frame.h:313) [-Wdeprecated-declarations]
lavfi/drawtext: fix reinit command

Problem was that reinit argument wasn't used.
Regression came in at commit fd6228e65711e63a9e35e9a1087d7ce62040e6e3

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
lavfi/ebur128: add sample and true peak metering.

Metadata injection and logging. Not yet present visually.

Signed-off-by: Jean First <jeanfirst@gmail.com>
lavfi/ebur128: print peak metering in dBFS

Signed-off-by: Jean First <jeanfirst@gmail.com>
lavfi/ebur128: add true peak metering per frame

Signed-off-by: Jean First <jeanfirst@gmail.com>