uppercase channel name before categorization

Some picture-quality markers in channel names are inconsistent, such as
abc-4k and def-4K. Converting names to uppercase first gives us more
reliable matching result.

1 files changed, 2 insertions, 1 deletions

diff --git a/iptv.sh b/iptv.sh
index 400bed3..c768ebc 100755
--- a/iptv.sh
+++ b/iptv.sh
@@ -70,9 +70,10 @@ ensure_openssl_is_installed () {
 }
 
 categorize_by_channel_name () {
+  local name="${1^^}"
   result="720P"
 
-  case "$1" in
+  case "$name" in
     *4K*) result="4K" ;;
     *"超清"*|*"高清"*) result="1080P" ;;
   esac