Only show decoder latency if available

mariotaku · Oct 26, 2023 · e5accae · e5accae
1 parent 1040465
commit e5accae
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/src/app/stream/session.h b/src/app/stream/session.h
@@ -45,6 +45,7 @@ typedef struct VIDEO_INFO {
     int width;
     int height;
     bool has_host_latency;
+    bool has_decoder_latency;
 } VIDEO_INFO;
 
 typedef struct AUDIO_STATS {

diff --git a/src/app/stream/video/session_video.c b/src/app/stream/video/session_video.c
@@ -185,6 +185,7 @@ void vdec_stat_submit(const struct VIDEO_STATS *src, unsigned long now) {
     int latencyUs = 0;
     if (SS4S_PlayerGetVideoLatency(player, 0, &latencyUs)) {
         dst->avgDecoderLatency = (float) latencyUs / 1000.0f;
+        vdec_stream_info.has_decoder_latency = true;
     } else {
         dst->avgDecoderLatency = 0;
     }

diff --git a/src/app/ui/streaming/streaming.controller.c b/src/app/ui/streaming/streaming.controller.c
@@ -87,14 +87,19 @@ bool streaming_refresh_stats() {
     if (dst->submittedFrames) {
         lv_label_set_text_fmt(controller->stats_items.drop_rate, "%.2f%%",
                               (float) dst->networkDroppedFrames / (float) dst->totalFrames * 100);
-        float avgSubmitTime = (float) dst->totalSubmitTime / (float) dst->submittedFrames;
         if (vdec_stream_info.has_host_latency) {
             float avgCapLatency = (float) dst->totalCaptureLatency / (float) dst->submittedFrames / 10.0f;
             lv_label_set_text_fmt(controller->stats_items.host_latency, "avg %.2f ms", avgCapLatency);
         } else {
             lv_label_set_text_fmt(controller->stats_items.host_latency, "not available");
         }
-        lv_label_set_text_fmt(controller->stats_items.vdec_latency, "avg %.2f ms", avgSubmitTime + dst->avgDecoderLatency);
+        if (vdec_stream_info.has_decoder_latency) {
+            float avgSubmitTime = (float) dst->totalSubmitTime / (float) dst->submittedFrames;
+            lv_label_set_text_fmt(controller->stats_items.vdec_latency, "avg %.2f ms",
+                                  avgSubmitTime + dst->avgDecoderLatency);
+        } else {
+            lv_label_set_text_fmt(controller->stats_items.vdec_latency, "not available");
+        }
     } else {
         lv_label_set_text(controller->stats_items.drop_rate, "-");
         lv_label_set_text_fmt(controller->stats_items.host_latency, "-");