From b0becfa46bd115f6b1a1eb1712803719918dd1ea Mon Sep 17 00:00:00 2001
From: Jonas K Danielsson <jonas.danielsson@spiideo.com>
Date: Wed, 17 Jan 2024 15:59:15 +0100
Subject: [PATCH] splitmuxsrc: Use natural ordering to find files

Today when using the `splitmuxsrc` on a collection of files named as:

```
item0.mkv
item1.mkv
item2.mkv
[...]
item10.mkv
item11.mkv
[...]
```

You will get a continuous stream made in the order of:

```
item0.mkv -> item1.mkv -> item10.mkv -> item11.mkv -> [...]
```

You can fix this by having smarter names of the items:

```
item000.mkv
item001.mkv
item002.mkv
[...]
item010.mkv
item011.mkv
[...]
```

Will get you:
```
item000.mkv -> item001.mkv -> item003.mkv -> item004.mkv -> [...]
```

But, we could also "fix" the former case by using natural ordering when
comparing the files in gstsplitutils.c.

Fixes #2523

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4491>
---
 girs/Gst-1.0.gir                                | 17 +++++++++++++++++
 .../gst/multifile/gstsplitutils.c               |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/girs/Gst-1.0.gir b/girs/Gst-1.0.gir
index 92f61b1c34..d3aee71f7f 100644
--- a/girs/Gst-1.0.gir
+++ b/girs/Gst-1.0.gir
@@ -54381,6 +54381,23 @@ the result.</doc>
         </parameter>
       </parameters>
     </function>
+    <function name="util_filename_compare" c:identifier="gst_util_filename_compare" version="1.24">
+      <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gstutils.c">Compares the given filenames using natural ordering.</doc>
+      <source-position filename="../subprojects/gstreamer/gst/gstutils.h"/>
+      <return-value transfer-ownership="none">
+        <type name="gint" c:type="gint"/>
+      </return-value>
+      <parameters>
+        <parameter name="a" transfer-ownership="none">
+          <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gstutils.c">a filename to compare with @b</doc>
+          <type name="utf8" c:type="const gchar*"/>
+        </parameter>
+        <parameter name="b" transfer-ownership="none">
+          <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gstutils.c">a filename to compare with @a</doc>
+          <type name="utf8" c:type="const gchar*"/>
+        </parameter>
+      </parameters>
+    </function>
     <function name="util_fraction_add" c:identifier="gst_util_fraction_add">
       <doc xml:space="preserve" filename="../subprojects/gstreamer/gst/gstutils.c">Adds the fractions @a_n/@a_d and @b_n/@b_d and stores
 the result in @res_n and @res_d.</doc>
diff --git a/subprojects/gst-plugins-good/gst/multifile/gstsplitutils.c b/subprojects/gst-plugins-good/gst/multifile/gstsplitutils.c
index 9b088a5f77..2649a229bb 100644
--- a/subprojects/gst-plugins-good/gst/multifile/gstsplitutils.c
+++ b/subprojects/gst-plugins-good/gst/multifile/gstsplitutils.c
@@ -30,7 +30,7 @@
 static int
 gst_split_util_array_sortfunc (gchar ** a, gchar ** b)
 {
-  return strcmp (*a, *b);
+  return gst_util_filename_compare (*a, *b);
 }
 
 gchar **