video/image_writer: add avif screenshot support

Notes:
- converts the (image) write() api to filenames, because using avio
with FILE* is a pain.
- adds more debug logs for screenshots.

build: rename av1 dependency to avif_muxer
wscript: unify lavf dependency with meson

1 files changed, 1 insertions, 0 deletions

diff --git a/meson.build b/meson.build
index 78269d1be3..bb3cf61596 100644
--- a/meson.build
+++ b/meson.build
@@ -43,6 +43,7 @@ features = {
     'ffmpeg': true,
     'gpl': get_option('gpl'),
     'jpegxl': libavformat.version().version_compare('>= 59.27.100'),
+    'avif_muxer': libavformat.version().version_compare('>= 59.24.100'),
     'libass': true,
     'threads': true,
 }