fix(push_stream_svbc.sh): update video scaling and remove unnecessary authentication token

- Changed video scaling from 1280:960 to 1280:720 for improved aspect ratio.
- Removed the Bearer Token variable as the WHIP URL now includes authentication information, simplifying the script.

go_stream/push_stream_svbc.sh

@@ -7,17 +7,16 @@
 # 默认通道: 1
 # 默认流媒体服务器: rtsp://admin:admin@192.168.0.246:554/1
 # 默认推流地址: https://customer-pj89kn2ke2tcuh19.cloudflarestream.com/8c108b4025d3278b188b443e8a6c5503kb51e49994b6fd9e56b6f1fdfcd339fe6/webRTC/publish
-# 默认推流密钥: ZrpMoQ15dCCe6rX0pKINzcb0eNdakSih-TmQrbq-
+# WHIP URL 本身已包含认证信息，不需要额外 Bearer Token
 
 RTSP_URL="rtsp://admin:admin@192.168.0.246:554/1"
 WHIP_URL="https://customer-pj89kn2ke2tcuh19.cloudflarestream.com/8c108b4025d3278b188b443e8a6c5503kb51e49994b6fd9e56b6f1fdfcd339fe6/webRTC/publish"
-BEARER_TOKEN="ZrpMoQ15dCCe6rX0pKINzcb0eNdakSih-TmQrbq-"
 
 /usr/local/ffmpeg-whip/bin/ffmpeg \
     -rtsp_transport tcp \
     -i "$RTSP_URL" \
     -map 0:v:0 -map "0:a?" \
-    -vf "scale=1280:960" \
+    -vf "scale=1280:720" \
     -c:v libx264 \
     -preset veryfast \
     -tune zerolatency \
@@ -26,6 +25,5 @@ BEARER_TOKEN="ZrpMoQ15dCCe6rX0pKINzcb0eNdakSih-TmQrbq-"
     -pix_fmt yuv420p \
     -g 30 -keyint_min 30 \
     -b:v 2500k -maxrate 2500k -bufsize 5000k \
-    -c:a opus -ac 2 -strict -2 -ar 48000 -b:a 128k \
-    -f whip "$WHIP_URL" \
-    -headers "Authorization: Bearer $BEARER_TOKEN"
+    -an \
+    -f whip "$WHIP_URL"