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From: Michael Froman <mfroman@mozilla.com>
Date: Fri, 21 Jun 2024 16:28:00 -0500
Subject: Bug 1903098 - (fix-cd09858f4a) disable perfetto usage to avoid new
third_party library.
Mercurial Revision: https://hg.mozilla.org/mozilla-central/rev/b050c455caa1d24a0cfa4933ac8cd82c9cd3c347
---
BUILD.gn | 2 ++
modules/video_coding/generic_decoder.cc | 10 +++++-----
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/BUILD.gn b/BUILD.gn
index 67934fb234..6508557150 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -283,6 +283,7 @@ config("rtc_prod_config") {
}
group("tracing") {
+if (!build_with_mozilla) {
all_dependent_configs = [ "//third_party/perfetto/gn:public_config" ]
if (rtc_use_perfetto) {
if (build_with_chromium) {
@@ -299,6 +300,7 @@ group("tracing") {
[ "//third_party/perfetto/include/perfetto/tracing" ]
}
}
+}
if (rtc_use_perfetto) {
rtc_library("webrtc_libperfetto") {
diff --git a/modules/video_coding/generic_decoder.cc b/modules/video_coding/generic_decoder.cc
index b3d6e51553..ebd76b64bf 100644
--- a/modules/video_coding/generic_decoder.cc
+++ b/modules/video_coding/generic_decoder.cc
@@ -121,9 +121,9 @@ void VCMDecodedFrameCallback::Decoded(VideoFrame& decodedImage,
std::optional<int32_t> decode_time_ms,
std::optional<uint8_t> qp) {
RTC_DCHECK(_receiveCallback) << "Callback must not be null at this point";
- TRACE_EVENT(
- "webrtc", "VCMDecodedFrameCallback::Decoded",
- perfetto::TerminatingFlow::ProcessScoped(decodedImage.rtp_timestamp()));
+ TRACE_EVENT_INSTANT1("webrtc", "VCMDecodedFrameCallback::Decoded",
+ TRACE_EVENT_SCOPE_GLOBAL, "timestamp",
+ decodedImage.rtp_timestamp());
// TODO(holmer): We should improve this so that we can handle multiple
// callbacks from one call to Decode().
std::optional<FrameInfo> frame_info;
@@ -331,8 +331,8 @@ int32_t VCMGenericDecoder::Decode(
const std::optional<
std::variant<FrameInstrumentationSyncData, FrameInstrumentationData>>&
frame_instrumentation_data) {
- TRACE_EVENT("webrtc", "VCMGenericDecoder::Decode",
- perfetto::Flow::ProcessScoped(frame.RtpTimestamp()));
+ TRACE_EVENT1("webrtc", "VCMGenericDecoder::Decode", "timestamp",
+ frame.RtpTimestamp());
FrameInfo frame_info;
frame_info.rtp_timestamp = frame.RtpTimestamp();
frame_info.decode_start = now;
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