decode/dec_audio.c
[ 31/209] Compiling video/image_writer.c
[ 32/209] Compiling video/out/x11_common.c
../video/image_writer.c: In function ‘write_lavc’:
../video/image_writer.c:114:9: warning: ‘prediction_method’ is deprecated (declared at /home/pi/mpv-build/build_libs/include/libavcodec/avcodec.h:1915) [-Wdeprecated-declarations]
         avctx->prediction_method = ctx->opts->png_filter;
         ^

[ 33/209] Compiling audio/filter/tools.c
[ 34/209] Compiling audio/filter/af_pan.c
[ 35/209] Compiling demux/timeline.c
[ 36/209] Compiling osdep/terminal-unix.c
[ 37/209] Compiling misc/json.c
[ 38/209] Compiling video/out/opengl/common.c
[ 39/209] Compiling player/playloop.c
[ 40/209] Compiling audio/filter/af_volume.c
[ 41/209] Compiling misc/dispatch.c
[ 42/209] Compiling input/event.c
[ 43/209] Compiling video/filter/vf_rotate.c
../video/out/x11_common.c: In function ‘vo_x11_update_screeninfo’:
../video/out/x11_common.c:422:10: warning: unused variable ‘all_screens’ [-Wunused-variable]
     bool all_screens = opts->fullscreen && opts->fsscreen_id == -2;
          ^