Add command-line param to screenshare_loopback to specify a list of slides

webrtc/video/screenshare_loopback.cc

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <stdio.h>
 
 #include "gflags/gflags.h"
+#include "webrtc/base/stringencode.h"
 #include "webrtc/test/field_trial.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/test/run_test.h"
 #include "webrtc/video/video_quality_test.h"
 
 namespace webrtc {
 namespace flags {
 
 // Flags common with video loopback, with different default values.
 DEFINE_int32(width, 1850, "Video width (crops source).");
@@ skipping 183 matching lines @@
 }
 
 DEFINE_int32(
     scroll_duration,
     0,
     "Duration (in seconds) during which a slide will be scrolled into place.");
 int ScrollDuration() {
   return static_cast<int>(FLAGS_scroll_duration);
 }
 
+DEFINE_string(slides,
+              "",
+              "Comma-separated list of *.yuv files to display as slides.");
+std::vector<std::string> Slides() {
+  std::vector<std::string> slides;
+  std::string slides_list = FLAGS_slides;
+  rtc::tokenize(slides_list, ',', &slides);

[tommi, 2017/04/12 11:30:39]

nice!

+  return slides;
+}
+
 }  // namespace flags
 
 void Loopback() {
   FakeNetworkPipe::Config pipe_config;
   pipe_config.loss_percent = flags::LossPercent();
   pipe_config.link_capacity_kbps = flags::LinkCapacityKbps();
   pipe_config.queue_length_packets = flags::QueueSize();
   pipe_config.queue_delay_ms = flags::AvgPropagationDelayMs();
   pipe_config.delay_standard_deviation_ms = flags::StdPropagationDelayMs();
   pipe_config.allow_reordering = flags::FLAGS_allow_reordering;
@@ skipping 15 matching lines @@
                   false,
                   flags::Codec(),
                   flags::NumTemporalLayers(),
                   flags::SelectedTL(),
                   flags::MinTransmitBitrateKbps() * 1000,
                   false,  // ULPFEC disabled.
                   false,  // FlexFEC disabled.
                   flags::EncodedFramePath(),
                   ""};
   params.screenshare = {true, flags::SlideChangeInterval(),
-      flags::ScrollDuration()};
+                        flags::ScrollDuration(), flags::Slides()};
   params.analyzer = {"screenshare", 0.0, 0.0, flags::DurationSecs(),
       flags::OutputFilename(), flags::GraphTitle()};
   params.pipe = pipe_config;
   params.logs = flags::FLAGS_logs;
 
   std::vector<std::string> stream_descriptors;
   stream_descriptors.push_back(flags::Stream0());
   stream_descriptors.push_back(flags::Stream1());
   std::vector<std::string> SL_descriptors;
   SL_descriptors.push_back(flags::SL0());
@@ skipping 12 matching lines @@
 }  // namespace webrtc
 
 int main(int argc, char* argv[]) {
   ::testing::InitGoogleTest(&argc, argv);
   google::ParseCommandLineFlags(&argc, &argv, true);
   webrtc::test::InitFieldTrialsFromString(
       webrtc::flags::FLAGS_force_fieldtrials);
   webrtc::test::RunTest(webrtc::Loopback);
   return 0;
 }