1 files changed, 0 insertions, 80 deletions
diff --git a/modules/rtp_rtcp/source/rtp_header_extensions.cc b/modules/rtp_rtcp/source/rtp_header_extensions.cc
index fefe6c618f..527874d785 100644
--- a/modules/rtp_rtcp/source/rtp_header_extensions.cc
+++ b/modules/rtp_rtcp/source/rtp_header_extensions.cc
@@ -525,86 +525,6 @@ bool VideoTimingExtension::Write(rtc::ArrayView<uint8_t> data,
   return true;
 }
 
-// Frame Marking.
-//
-// Meta-information about an RTP stream outside the encrypted media payload,
-// useful for an RTP switch to do codec-agnostic selective forwarding
-// without decrypting the payload.
-//
-// For non-scalable streams:
-//    0                   1
-//    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   |  ID   | L = 0 |S|E|I|D|0 0 0 0|
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//
-// For scalable streams:
-//    0                   1                   2                   3
-//    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   |  ID   | L = 2 |S|E|I|D|B| TID |      LID      |   TL0PICIDX   |
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-constexpr RTPExtensionType FrameMarkingExtension::kId;
-constexpr const char FrameMarkingExtension::kUri[];
-
-bool FrameMarkingExtension::IsScalable(uint8_t temporal_id, uint8_t layer_id) {
-  return temporal_id != kNoTemporalIdx || layer_id != kNoSpatialIdx;
-}
-
-bool FrameMarkingExtension::Parse(rtc::ArrayView<const uint8_t> data,
-                                  FrameMarking* frame_marking) {
-  RTC_DCHECK(frame_marking);
-
-  if (data.size() != 1 && data.size() != 3)
-    return false;
-
-  frame_marking->start_of_frame = (data[0] & 0x80) != 0;
-  frame_marking->end_of_frame = (data[0] & 0x40) != 0;
-  frame_marking->independent_frame = (data[0] & 0x20) != 0;
-  frame_marking->discardable_frame = (data[0] & 0x10) != 0;
-
-  if (data.size() == 3) {
-    frame_marking->base_layer_sync = (data[0] & 0x08) != 0;
-    frame_marking->temporal_id = data[0] & 0x7;
-    frame_marking->layer_id = data[1];
-    frame_marking->tl0_pic_idx = data[2];
-  } else {
-    // non-scalable
-    frame_marking->base_layer_sync = false;
-    frame_marking->temporal_id = kNoTemporalIdx;
-    frame_marking->layer_id = kNoSpatialIdx;
-    frame_marking->tl0_pic_idx = 0;
-  }
-  return true;
-}
-
-size_t FrameMarkingExtension::ValueSize(const FrameMarking& frame_marking) {
-  if (IsScalable(frame_marking.temporal_id, frame_marking.layer_id))
-    return 3;
-  else
-    return 1;
-}
-
-bool FrameMarkingExtension::Write(rtc::ArrayView<uint8_t> data,
-                                  const FrameMarking& frame_marking) {
-  RTC_DCHECK_GE(data.size(), 1);
-  RTC_CHECK_LE(frame_marking.temporal_id, 0x07);
-  data[0] = frame_marking.start_of_frame ? 0x80 : 0x00;
-  data[0] |= frame_marking.end_of_frame ? 0x40 : 0x00;
-  data[0] |= frame_marking.independent_frame ? 0x20 : 0x00;
-  data[0] |= frame_marking.discardable_frame ? 0x10 : 0x00;
-
-  if (IsScalable(frame_marking.temporal_id, frame_marking.layer_id)) {
-    RTC_DCHECK_EQ(data.size(), 3);
-    data[0] |= frame_marking.base_layer_sync ? 0x08 : 0x00;
-    data[0] |= frame_marking.temporal_id & 0x07;
-    data[1] = frame_marking.layer_id;
-    data[2] = frame_marking.tl0_pic_idx;
-  }
-  return true;
-}
-
 // Color space including HDR metadata as an optional field.
 //
 // RTP header extension to carry color space information and optionally HDR