Error: Output file #1 does not contain any stream (Vivint Outdoor Camera)
**Describe The Problem:**
Other cameras work with plugin except for one external camera.

**To Reproduce:**
Add  in camera configuration for outdoor vivint camera. Click on video feed and get no response. Able to see snapshot of the video feed though. 

**Logs:**
<!-- Bug reports that do not contain logs may be closed without warning. -->

```
Oct 11 16:05:16 homebridge homebridge[16807]: [10/11/2020, 4:05:16 PM] [Camera-ffmpeg] [Patio Camera] Snapshot requested: 1280 x 720
Oct 11 16:05:16 homebridge homebridge[16807]: [10/11/2020, 4:05:16 PM] [Camera-ffmpeg] [Patio Camera] Sending snapshot: 1280 x 720
Oct 11 16:05:16 homebridge homebridge[16807]: [10/11/2020, 4:05:16 PM] [Camera-ffmpeg] [Patio Camera] Snapshot command: /usr/local/lib/node_modules/homebridge-camera-ffmpeg/node_modules/ffmpeg-for-homebridge/ffmpeg -rtsp_transport tcp -re -i rtsp://REDACTED@192.168.4.26:8554/Video-40 -frames:v 1 -filter:v scale='min(1280,iw)':'min(720,ih)':force_original_aspect_ratio=decrease,scale=trunc(iw/2)*2:trunc(ih/2)*2 -f image2 -
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] Video stream requested: 1280 x 720, 30 fps, 299 kbps
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] Starting video stream: native x native, native fps, ??? kbps
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] Stream command: /usr/local/lib/node_modules/homebridge-camera-ffmpeg/node_modules/ffmpeg-for-homebridge/ffmpeg -rtsp_transport tcp -re -i rtsp://REDACTED@192.168.4.26:8554/Video-40 -an -sn -dn -codec:v copy -pix_fmt yuv420p -color_range mpeg -f rawvideo -payload_type 99 -ssrc 12940007 -f rtp -srtp_out_suite AES_CM_128_HMAC_SHA1_80 -srtp_out_params 479/1D3b+2DZW7KjeVBNF8dYKXxDTGb1iMISy665 srtp://192.168.6.55:49925?rtcpport=49925&pkt_size=1316 -vn -sn -dn -codec:a libfdk_aac -profile:a aac_eld -flags +global_header -f null -ar 16k -b:a 24k -ac 1 -payload_type 110 -ssrc 14573959 -f rtp -srtp_out_suite AES_CM_128_HMAC_SHA1_80 -srtp_out_params g5I52CsXKDwdrFznYMTG6nmdOxAkhS8I69dwKn/9 srtp://192.168.6.55:57673?rtcpport=57673&pkt_size=188 -loglevel level+verbose
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info] ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   configuration: --pkgconfigdir=/build/workspace/lib/pkgconfig --prefix=/build/workspace --pkg-config-flags=--static --extra-cflags=-I/build/workspace/include --extra-ldflags=-L/build/workspace/lib --extra-libs='-lpthread -lm' --enable-static --disable-debug --disable-shared --disable-ffplay --disable-doc --enable-openssl --enable-gpl --enable-version3 --enable-nonfree --enable-pthreads --enable-libvpx --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libx264 --enable-runtime-cpudetect --enable-libfdk-aac --enable-avfilter --enable-libopencore_amrwb --enable-libopencore_amrnb --enable-filters --enable-decoder=h264 --enable-network --enable-protocol=tcp --enable-libspeex --enable-demuxer=rtsp --enable-indev=alsa --enable-outdev=alsa
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libavutil      56. 51.100 / 56. 51.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libavcodec     58. 91.100 / 58. 91.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libavformat    58. 45.100 / 58. 45.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libavdevice    58. 10.100 / 58. 10.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libavfilter     7. 85.100 /  7. 85.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libswscale      5.  7.100 /  5.  7.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libswresample   3.  7.100 /  3.  7.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [info]   libpostproc    55.  7.100 / 55.  7.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [tcp @ 0x5597441fc700] [verbose] Starting connection attempt to 192.168.4.26 port 8554
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [tcp @ 0x5597441fc700] [verbose] Successfully connected to 192.168.4.26 port 8554
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [rtsp @ 0x5597441fa2c0] [verbose] SDP:
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] v=0
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] o=- 1601702496481575 1 IN IP4 172.16.10.100
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] s=LIVE555 Streaming Media v2016.11.28
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] i=LIVE555 Streaming Media v2016.11.28
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] t=0 0
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=tool:LIVE555 Streaming Media v2016.11.28
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=type:broadcast
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=control:*
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=range:npt=0-
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=x-qt-text-nam:LIVE555 Streaming Media v2016.11.28
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=x-qt-text-inf:LIVE555 Streaming Media v2016.11.28
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] m=video 0 RTP/AVP 96
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] c=IN IP4 0.0.0.0
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] b=AS:50
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=rtpmap:96 H264/90000
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=fmtp:96 packetization-mode=1;profile-level-id=64001F;sprop-parameter-sets=J2QAH6wsagFAFum4KDAqAAAH0gAB1MAX1A==,KO4EYsA=
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] a=control:track1
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera] [rtsp @ 0x5597441fa2c0] [verbose] setting jitter buffer size to 0
Oct 11 16:05:19 homebridge homebridge[16807]: [10/11/2020, 4:05:19 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:20 homebridge homebridge[16807]: [10/11/2020, 4:05:20 PM] [Camera-ffmpeg] [Patio Camera] [h264 @ 0x5597441fe180] [verbose] Reinit context to 1280x720, pix_fmt: yuvj420p
Oct 11 16:05:20 homebridge homebridge[16807]: [10/11/2020, 4:05:20 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [info] Input #0, rtsp, from 'rtsp://REDACTED@192.168.4.26:8554/Video-40':
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [info]   Metadata:
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [info]     title           : LIVE555 Streaming Media v2016.11.28
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [info]
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera]     comment         : LIVE555 Streaming Media v2016.11.28
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [info]   Duration: N/A, start: 1.433633, bitrate: N/A
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [info]     Stream #0:0: Video: h264 (High), 1 reference frame, yuvj420p(pc, bt470bg/bt470bg/smpte170m, progressive, left), 1280x720, 29.97 fps, 30 tbr, 90k tbn, 59.94 tbc
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [info] Output #1, rtp, to 'srtp://192.168.6.55:57673?rtcpport=57673&pkt_size=188':
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [error] Output file #1 does not contain any stream
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [AVIOContext @ 0x5597443053c0]
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] [verbose] Statistics: 0 seeks, 0 writeouts
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera]
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] FFmpeg exited with code: 1 and signal: null (Error)
Oct 11 16:05:22 homebridge homebridge[16807]: [10/11/2020, 4:05:22 PM] [Camera-ffmpeg] [Patio Camera] Stopped video stream.
```

**Homebridge Config:**

```json
                {
                        "platform": "Camera-ffmpeg",
                        "cameras": [{
                                        "name": "Entryway Camera",
                                        "manufacturer": "ALPHA",
                                        "model": "CS6022",
                                        "videoConfig": {
                                                "source": "-rtsp_transport tcp -re -i rtsp://REDACTED@192.168.4.26:8554/Video-41",
                                                "vcodec": "copy",
                                                "audio": true
                                        }
                                },
                                {
                                        "name": "Patio Camera",
                                        "manufacturer": "ALPHA",
                                        "model": "HD400W",
                                        "videoConfig": {
                                                "source": "-rtsp_transport tcp -re -i rtsp://REDACTED@192.168.4.26:8554/Video-40",
                                                "vcodec": "copy",
                                                "audio": true,
                                                "debug": true
                                        }
                                },
                                {
                                        "name": "Garage Camera",
                                        "manufacturer": "ALPHA",
                                        "model": "CS6022",
                                        "videoConfig": {
                                                "source": "-rtsp_transport tcp -re -i rtsp://REDACTED@192.168.4.26:8554/Video-42",
                                                "vcodec": "copy",
                                                "audio": true
                                        }
                                }
                        ]
                }
```

**Screenshots:**
![IMG_FFB800A8B84B-1](https://user-images.githubusercontent.com/5695495/95692670-47307200-0bdc-11eb-9298-7668dec75e5f.jpeg)

![IMG_FB17F1A83367-1](https://user-images.githubusercontent.com/5695495/95692710-9aa2c000-0bdc-11eb-9860-ec38bbd60149.jpeg)

**Environment:**

* **Node.js Version**: v12.19.0
* **NPM Version**: 6.14.8
* **Homebridge Version**: 1.1.6
* **Homebridge Camera FFmpeg Version**: 3.0.3
* **Homebridge Config UI X Plugin Version**: N/A
* **Operating System**: Ubuntu 18.04.5 LTS
