From fa5f60c44f4f38ec85a08fe14032e473b17755ca Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Sat, 9 Jun 2018 11:40:16 +0200
Subject: [PATCH] Add a script for grabbing some example multiangle data off of
 YouTube.

---
 main.cpp              | 12 ++++++--
 make-example-video.sh |  8 ++++++
 ui_mainwindow.ui      | 66 +++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 82 insertions(+), 4 deletions(-)
 create mode 100644 make-example-video.sh

diff --git a/main.cpp b/main.cpp
index 0a976c3..526ed57 100644
--- a/main.cpp
+++ b/main.cpp
@@ -53,12 +53,14 @@ int main(int argc, char **argv)
 
 int thread_func()
 {
-	auto format_ctx = avformat_open_input_unique("example.mp4", nullptr, nullptr);
+	auto format_ctx = avformat_open_input_unique("multiangle.mp4", nullptr, nullptr);
 	if (format_ctx == nullptr) {
 		fprintf(stderr, "%s: Error opening file\n", "example.mp4");
 		return 1;
 	}
 
+	int64_t last_pts = -1;
+
 	for ( ;; ) {
 		AVPacket pkt;
 		unique_ptr<AVPacket, decltype(av_packet_unref)*> pkt_cleanup(
@@ -85,13 +87,19 @@ int thread_func()
 				global_mainwindow->ui->input1_display->setFrame(pkt.stream_index, pkt.pts);
 			} else if (pkt.stream_index == 1) {
 				global_mainwindow->ui->input2_display->setFrame(pkt.stream_index, pkt.pts);
+			} else if (pkt.stream_index == 2) {
+				global_mainwindow->ui->input3_display->setFrame(pkt.stream_index, pkt.pts);
 			}
 		});
 
 		assert(pkt.stream_index < MAX_STREAMS);
 		frames[pkt.stream_index].push_back(pkt.pts);
 
-		this_thread::sleep_for(milliseconds(1000) / 120);
+		// Hack. Assumes a given timebase.
+		if (last_pts != -1) {
+			this_thread::sleep_for(microseconds((pkt.pts - last_pts) * 1000000 / 12800));
+		}
+		last_pts = pkt.pts;
 	}
 
 	return 0;
diff --git a/make-example-video.sh b/make-example-video.sh
new file mode 100644
index 0000000..975c7a4
--- /dev/null
+++ b/make-example-video.sh
@@ -0,0 +1,8 @@
+youtube-dl 'https://www.youtube.com/watch?v=Wa2fBiCEzTc'
+FILE='MULTI ANGLE _ George Evans pops up with a 92nd-minute winner in Blackburn!-Wa2fBiCEzTc.mp4'
+ffmpeg -y -ss 0:03.290 -t 0:37 -i "$FILE" -c:v mjpeg -an angle1.mp4    
+ffmpeg -y -ss 0:40 -t 0:40 -i "$FILE" -c:v mjpeg -an angle2.mp4   
+ffmpeg -y -ss 1:12.880 -i "$FILE" -c:v mjpeg -an angle3.mp4
+ffmpeg -y -ss 0:07 -i ./angle3.mp4 -c:v copy -copyts -start_at_zero angle3-cut.mp4                    
+ffmpeg -y -copyts -i angle1.mp4 -i angle2.mp4 -i angle3-cut.mp4 -map 0:0 -map 1:0 -map 2:0 -c:v copy multiangle.mp4 
+
diff --git a/ui_mainwindow.ui b/ui_mainwindow.ui
index 778d19f..3d3f046 100644
--- a/ui_mainwindow.ui
+++ b/ui_mainwindow.ui
@@ -91,10 +91,72 @@
       <widget class="QWidget" name="verticalLayoutWidget_4">
        <layout class="QVBoxLayout" name="verticalLayout_4">
         <item>
-         <widget class="QTableView" name="tableView"/>
+         <widget class="QTableWidget" name="clip_list">
+          <column>
+           <property name="text">
+            <string>In</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Out</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Duration</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Camera 1</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Camera 2</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Camera 3</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Camera 4</string>
+           </property>
+          </column>
+         </widget>
         </item>
         <item>
-         <widget class="QTableView" name="tableView_2"/>
+         <widget class="QTableWidget" name="playlist">
+          <column>
+           <property name="text">
+            <string>In</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Out</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Duration</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Camera</string>
+           </property>
+          </column>
+          <column>
+           <property name="text">
+            <string>Description</string>
+           </property>
+          </column>
+         </widget>
         </item>
        </layout>
       </widget>
-- 
2.39.2