[FFmpeg-devel] [PATCH v3 5/7] avformat/tests: add test for ff_rescale_interval()

[pal at sandflow.com]

From: Pierre-Anthony Lemieux <pal at palemieux.com>

---
 libavformat/Makefile           |  1 +
 libavformat/tests/.gitignore   |  1 +
 libavformat/tests/seek_utils.c | 57 ++++++++++++++++++++++++++++++++++
 tests/fate/libavformat.mak     |  5 +++
 4 files changed, 64 insertions(+)
 create mode 100644 libavformat/tests/seek_utils.c

diff --git a/libavformat/Makefile b/libavformat/Makefile
index 6566e40cac..3acc939551 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -707,6 +707,7 @@ SKIPHEADERS-$(CONFIG_NETWORK)            += network.h rtsp.h
 
 TESTPROGS = seek                                                        \
             url                                                         \
+            seek_utils
 #           async                                                       \
 
 FIFO-MUXER-TESTPROGS-$(CONFIG_NETWORK)   += fifo_muxer
diff --git a/libavformat/tests/.gitignore b/libavformat/tests/.gitignore
index aabf76345e..cdd0cce061 100644
--- a/libavformat/tests/.gitignore
+++ b/libavformat/tests/.gitignore
@@ -6,3 +6,4 @@
 /seek
 /srtp
 /url
+/seek_utils
diff --git a/libavformat/tests/seek_utils.c b/libavformat/tests/seek_utils.c
new file mode 100644
index 0000000000..f368578fc4
--- /dev/null
+++ b/libavformat/tests/seek_utils.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2022 Pierre-Anthony Lemieux <pal at palemieux.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavformat/avio_internal.h"
+
+int main(void)
+{
+  int64_t ts_min;
+  int64_t ts;
+  int64_t ts_max;
+
+  ts_min = 10;
+  ts     = 20;
+  ts_max = 30;
+
+  ff_rescale_interval(av_make_q(1, 1), av_make_q(10, 1), &ts_min, &ts, &ts_max);
+
+  if (ts_min != 1 || ts != 2 || ts_max != 3)
+    return 1;
+
+  ts_min = 10;
+  ts     = 32;
+  ts_max = 32;
+
+  ff_rescale_interval(av_make_q(1, 1), av_make_q(3, 1), &ts_min, &ts, &ts_max);
+
+  if (ts_min != 4 || ts != 11 || ts_max != 10)
+    return 1;
+
+  ts_min = 10;
+  ts     = 10;
+  ts_max = 32;
+
+  ff_rescale_interval(av_make_q(1, 1), av_make_q(3, 1), &ts_min, &ts, &ts_max);
+
+  if (ts_min != 4 || ts != 3 || ts_max != 10)
+    return 1;
+
+  return 0;
+}
diff --git a/tests/fate/libavformat.mak b/tests/fate/libavformat.mak
index 59ff0ebc8d..d2acb4c9e0 100644
--- a/tests/fate/libavformat.mak
+++ b/tests/fate/libavformat.mak
@@ -26,6 +26,11 @@ FATE_LIBAVFORMAT-$(CONFIG_IMF_DEMUXER) += fate-imf
 fate-imf: libavformat/tests/imf$(EXESUF)
 fate-imf: CMD = run libavformat/tests/imf$(EXESUF)
 
+FATE_LIBAVFORMAT += fate-seek_utils
+fate-seek_utils: libavformat/tests/seek_utils$(EXESUF)
+fate-seek_utils: CMD = run libavformat/tests/seek_utils$(EXESUF)
+fate-seek_utils: CMP = null
+
 FATE_LIBAVFORMAT += $(FATE_LIBAVFORMAT-yes)
 FATE-$(CONFIG_AVFORMAT) += $(FATE_LIBAVFORMAT)
 fate-libavformat: $(FATE_LIBAVFORMAT)
-- 
2.17.1