Add strndup patch for ffmpeg.

packages/ffmpeg-av-windows/ffmpeg-av-windows.1.2.1/files/patches/strndup.patch

@@ -0,0 +1,64 @@
+diff --git a/av/av_stubs.c b/av/av_stubs.c
+index ca9fbdf..90c0888 100644
+--- a/av/av_stubs.c
++++ b/av/av_stubs.c
+@@ -24,6 +24,7 @@
+ #include <libavutil/opt.h>
+ #include <libavutil/parseutils.h>
+ #include <libavutil/timestamp.h>
++#include <libavutil/mem.h>
+
+ #include "av_stubs.h"
+ #include "avcodec_stubs.h"
+@@ -644,7 +645,7 @@ CAMLprim value ocaml_av_find_input_format(value _short_name) {
+   CAMLparam1(_short_name);
+   CAMLlocal1(ret);
+   char *short_name =
+-      strndup(String_val(_short_name), caml_string_length(_short_name));
++      av_strndup(String_val(_short_name), caml_string_length(_short_name));
+
+   if (!short_name)
+     caml_raise_out_of_memory();
+@@ -776,7 +777,7 @@ CAMLprim value ocaml_av_open_input(value _url, value _format, value _interrupt,
+   }
+
+   if (ulen > 0)
+-    url = strndup(String_val(_url), ulen);
++    url = av_strndup(String_val(_url), ulen);
+
+   if (_format != Val_none)
+     format = InputFormat_val(Some_val(_format));
+@@ -1351,13 +1352,13 @@ CAMLprim value ocaml_av_output_format_guess(value _short_name, value _filename,
+
+   if (caml_string_length(_short_name) > 0) {
+     short_name =
+-        strndup(String_val(_short_name), caml_string_length(_short_name));
++        av_strndup(String_val(_short_name), caml_string_length(_short_name));
+     if (!short_name)
+       caml_raise_out_of_memory();
+   };
+
+   if (caml_string_length(_filename) > 0) {
+-    filename = strndup(String_val(_filename), caml_string_length(_filename));
++    filename = av_strndup(String_val(_filename), caml_string_length(_filename));
+     if (!filename) {
+       if (short_name)
+         free(short_name);
+@@ -1366,7 +1367,7 @@ CAMLprim value ocaml_av_output_format_guess(value _short_name, value _filename,
+   }
+
+   if (caml_string_length(_mime) > 0) {
+-    mime = strndup(String_val(_mime), caml_string_length(_mime));
++    mime = av_strndup(String_val(_mime), caml_string_length(_mime));
+     if (!mime) {
+       if (short_name)
+         free(short_name);
+@@ -1553,7 +1554,7 @@ CAMLprim value ocaml_av_open_output(value _interrupt, value _format,
+   CAMLparam3(_interrupt, _filename, _opts);
+   CAMLlocal3(ans, ret, unused);
+   char *filename =
+-      strndup(String_val(_filename), caml_string_length(_filename));
++      av_strndup(String_val(_filename), caml_string_length(_filename));
+   avioformat_const AVOutputFormat *format = NULL;
+   AVDictionary *options = NULL;
+   char *key, *val;

packages/ffmpeg-av-windows/ffmpeg-av-windows.1.2.1/opam

@@ -19,6 +19,12 @@ conflicts: [
 depexts: [
   ["ffmpeg"] {os-distribution = "mxe"}
 ]
+patches: [
+  "patches/strndup.patch"
+]
+extra-files: [
+  ["patches/strndup.patch" "md5=cdc142e1df3c89fc16040806a3c8da38"]
+]
 build: [
   [
     "dune"

packages/ffmpeg-avfilter-windows/ffmpeg-avfilter-windows.1.2.1/files/patches/strndup.patch

@@ -0,0 +1,36 @@
+diff --git a/avfilter/avfilter_stubs.c b/avfilter/avfilter_stubs.c
+index 892bca4..63a48ab 100644
+--- a/avfilter/avfilter_stubs.c
++++ b/avfilter/avfilter_stubs.c
+@@ -14,6 +14,7 @@
+ #include <libavfilter/avfilter.h>
+ #include <libavfilter/buffersink.h>
+ #include <libavfilter/buffersrc.h>
++#include <libavutil/mem.h>
+
+ #define AvFilterContext_val(v) (*(AVFilterContext **)Data_abstract_val(v))
+
+@@ -178,12 +179,12 @@ CAMLprim value ocaml_avfilter_create_filter(value _args, value _instance_name,
+     caml_raise_not_found();
+
+   name =
+-      strndup(String_val(_instance_name), caml_string_length(_instance_name));
++      av_strndup(String_val(_instance_name), caml_string_length(_instance_name));
+   if (!name)
+     caml_raise_out_of_memory();
+
+   if (_args != Val_none) {
+-    args = strndup(String_val(Some_val(_args)),
++    args = av_strndup(String_val(Some_val(_args)),
+                    caml_string_length(Some_val(_args)));
+
+     if (!args) {
+@@ -309,7 +310,7 @@ CAMLprim value ocaml_avfilter_parse(value _inputs, value _outputs,
+     append_avfilter_in_out(&outputs, name, filter_ctx, idx);
+   }
+
+-  filters = strndup(String_val(_filters), caml_string_length(_filters));
++  filters = av_strndup(String_val(_filters), caml_string_length(_filters));
+
+   if (!filters) {
+     if (inputs)

packages/ffmpeg-avfilter-windows/ffmpeg-avfilter-windows.1.2.1/opam

@@ -15,6 +15,12 @@ depends: [
 conflicts: [
   "ffmpeg-windows" {< "0.5.0"}
 ]
+patches: [
+  "patches/strndup.patch"
+]
+extra-files: [
+  ["patches/strndup.patch" "md5=ac7db67fe5aa4fa741b92b79d01a3c82"]
+]
 depexts: [
   ["ffmpeg"] {os-distribution = "mxe"}
 ]

packages/ffmpeg-avutil-windows/ffmpeg-avutil-windows.1.2.1/files/patches/strndup.patch

@@ -0,0 +1,21 @@
+diff --git a/avutil/avutil_stubs.c b/avutil/avutil_stubs.c
+index 78d2f8d..6e99a7d 100644
+--- a/avutil/avutil_stubs.c
++++ b/avutil/avutil_stubs.c
+@@ -17,6 +17,7 @@
+ #include <libavutil/avstring.h>
+ #include <libavutil/pixdesc.h>
+ #include <libavutil/pixfmt.h>
++#include <libavutil/mem.h>
+
+ #include "avutil_stubs.h"
+ #include "channel_layout_stubs.h"
+@@ -512,7 +513,7 @@ enum caml_ba_kind bigarray_kind_of_AVSampleFormat(enum AVSampleFormat sf) {
+ CAMLprim value ocaml_avutil_find_sample_fmt(value _name) {
+   CAMLparam1(_name);
+   CAMLlocal1(ans);
+-  char *name = strndup(String_val(_name), caml_string_length(_name));
++  char *name = av_strndup(String_val(_name), caml_string_length(_name));
+   if (!name)
+     caml_raise_out_of_memory();
+

packages/ffmpeg-avutil-windows/ffmpeg-avutil-windows.1.2.1/opam

@@ -18,6 +18,12 @@ conflicts: [
 depexts: [
   ["ffmpeg"] {os-distribution = "mxe"}
 ]
+patches: [
+  "patches/strndup.patch"
+]
+extra-files: [
+  ["patches/strndup.patch" "md5=08f071e74e62aa8ce837e954570ec598"]
+]
 build: [
   [
     "dune"