feat: allow specifying extra ffmpeg args, mainly for hev1 -> hvc1

Author: AlbinoDrought

main.go

@@ -41,6 +41,10 @@ type Input struct {
 	// URL is the connection string for this stream, like "rtsp://user:pass@host:1234/path/here?parameters=sample"
 	URL string `json:"url"`
 
+	// ExtraFFMPEGArgs passed after each `-f {format}` section.
+	// As an example, specify `"extra_ffmpeg_args": "-tag:v hvc1"` to make your hev1 cameras playable on iOS
+	ExtraFFMPEGArgs string `json:"extra_ffmpeg_args"`
+
 	// RecordingAgeLimitHours is the amount of hours of recordings to keep.
 	// If 0, disabled.
 	// If 1, keep recordings from the last 60 minutes.
@@ -934,6 +938,7 @@ func record(ctx context.Context, stream *Stream) {
 			cmd.Env,
 			"RTSP_SOURCE="+stream.Input.URL,
 			"RTSP_NAME="+stream.Input.ID,
+			"RTSP_EXTRA_ARGS="+stream.Input.ExtraFFMPEGArgs,
 		)
 		// ffmpeg is writing all output to stderr for me
 		cmd.Stderr = &OpeningForWritingWriter{

rtsp-to-hls.sh

@@ -12,6 +12,8 @@ SOURCE="$RTSP_SOURCE"
 # some reasonably-unique name
 NAME=${RTSP_NAME:-cctv}
 
+EXTRA_ARGS=${RTSP_EXTRA_ARGS:-}
+
 # ffmpeg doesn't autocreate directories
 mkdir -p "media/$NAME/stream/segments" # stream directory is 100% temporary and can be removed for cleaning
 mkdir -p "media/$NAME/archive" # archive directory is more permanent, should only remove old files
@@ -33,7 +35,7 @@ ffmpeg -loglevel level \
         -rtsp_transport tcp \
         -re \
         -i "$SOURCE" \
-        -f hls \
+        -f hls $EXTRA_ARGS \
         -fps_mode passthrough \
         -copyts -vcodec copy -acodec copy \
         -movflags frag_keyframe+empty_moov \
@@ -45,7 +47,7 @@ ffmpeg -loglevel level \
         -strftime 1 \
         -hls_segment_filename "media/$NAME/stream/segments/$NAME-%06d-%F-%H-%M-%S.ts" \
         "media/$NAME/stream/$NAME.m3u8" \
-        -f segment \
+        -f segment $EXTRA_ARGS \
         -segment_time $SEGMENT_TIME \
         -segment_atclocktime 1 \
         -segment_wrap $SEGMENT_WRAP \