From 1c47e719e1be55d968dae01b8a004bdcd822bba8 Mon Sep 17 00:00:00 2001
From: Andreas Pehrson <pehrsons@gmail.com>
Date: Wed, 18 Dec 2024 10:25:57 +0100
Subject: [PATCH] Pass the actual temporal id to GMPVideoEncodedFrame (#3828)

---
 module/gmp-openh264.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/module/gmp-openh264.cpp b/module/gmp-openh264.cpp
index 29a143fe7..4380c9c95 100644
--- a/module/gmp-openh264.cpp
+++ b/module/gmp-openh264.cpp
@@ -708,10 +708,13 @@ class OpenH264VideoEncoder : public GMPVideoEncoder, public RefCounted {
     // Buffer up the data.
     uint32_t length = 0;
     std::vector<uint32_t> lengths;
+    unsigned char temporalId = 0;
 
     for (int i = 0; i < encoded->iLayerNum; ++i) {
       lengths.push_back (0);
       uint8_t* tmp = encoded->sLayerInfo[i].pBsBuf;
+      assert(encoded->sLayerInfo[i].uiSpatialId == 0);
+      temporalId = encoded->sLayerInfo[i].uiTemporalId;
       for (int j = 0; j < encoded->sLayerInfo[i].iNalCount; ++j) {
         lengths[i] += encoded->sLayerInfo[i].pNalLengthInByte[j];
         // Convert from 4-byte start codes to GMP_BufferLength32 (NAL lengths)
@@ -746,7 +749,7 @@ class OpenH264VideoEncoder : public GMPVideoEncoder, public RefCounted {
     f->SetBufferType (GMP_BufferLength32);
 
     if (gmp_api_version_ >= kGMPVersion36) {
-      f->SetTemporalLayerId (encoded->iLayerNum);
+      f->SetTemporalLayerId (temporalId);
     }
 
     GMPLOG (GL_DEBUG, "Encoding complete. type= "