1 files changed, 40 insertions, 0 deletions
diff --git a/config/mpv/scripts/subs2srsa/encoder/codec_support.lua b/config/mpv/scripts/subs2srsa/encoder/codec_support.lua
new file mode 100644
index 0000000..26cd91a
--- /dev/null
+++ b/config/mpv/scripts/subs2srsa/encoder/codec_support.lua
@@ -0,0 +1,40 @@
+--[[
+Copyright: Ajatt-Tools and contributors
+License: GNU GPL, version 3 or later; http://www.gnu.org/licenses/gpl.html
+
+Check what codecs are supported by mpv.
+If a desired codec is not supported, set the "use_ffmpeg" config option to "yes".
+]]
+
+local mp = require('mp')
+local h = require('helpers')
+
+local ovc_help = h.subprocess { 'mpv', '--ovc=help' }
+local oac_help = h.subprocess { 'mpv', '--oac=help' }
+
+local function is_audio_supported(codec)
+    return oac_help.status == 0 and oac_help.stdout:find('--oac=' .. codec, 1, true) ~= nil
+end
+
+local function is_image_supported(codec)
+    return ovc_help.status == 0 and ovc_help.stdout:find('--ovc=' .. codec, 1, true) ~= nil
+end
+
+local inspection_result = {
+    snapshot = {
+        ['libaom-av1'] = is_image_supported('libaom-av1'),
+        libwebp = is_image_supported('libwebp'),
+        mjpeg = is_image_supported('mjpeg'),
+    },
+    audio = {
+        libmp3lame = is_audio_supported('libmp3lame'),
+        libopus = is_audio_supported('libopus'),
+    },
+}
+for type, codecs in pairs(inspection_result) do
+    for codec, supported in pairs(codecs) do
+        mp.msg.info(string.format("mpv supports %s codec %s: %s", type, codec, tostring(supported)))
+    end
+end
+
+return inspection_result