Update ffmpeg wrap to 6.1

subprojects/ffmpeg.wrap

@@ -1,7 +1,8 @@
 [wrap-git]
 directory = ffmpeg
 url = https://gitlab.freedesktop.org/gstreamer/meson-ports/ffmpeg.git
-revision = head
+revision = meson-6.1
+depth = 1
 diff_files = ffmpeg/0001.patch
 
 [provide]

subprojects/packagefiles/ffmpeg/0001.patch

@@ -1,8 +1,8 @@
 diff --git a/meson.build b/meson.build
-index 688b368859..dc9d18acd5 100644
+index 27d1387315..e8d7d3ccc2 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -1037,7 +1037,7 @@ check_components = [
+@@ -1042,7 +1042,7 @@ check_components = [
    ['user32', ['windows.h', 'winuser.h'], ['GetShellWindow'], ['user32']],
    ['vfw32', ['windows.h', 'vfw.h'], ['capCreateCaptureWindow'], ['vfw3']],
    ['vaapi', ['va/va.h'], ['vaInitialize'], ['va']],
@@ -11,7 +11,7 @@ index 688b368859..dc9d18acd5 100644
  
    # Libraries with preconditions
    ['vaapi_drm', ['va/va.h', 'va/va_drm.h'], ['vaGetDisplayDRM'], ['va', 'va-drm'],
-@@ -1925,6 +1925,7 @@ foreach check : all_checks
+@@ -1930,6 +1930,7 @@ foreach check : all_checks
      prefix = ''
  
      found = true
@@ -19,7 +19,7 @@ index 688b368859..dc9d18acd5 100644
  
      preconditions = opts.get('preconditions', [])
  
-@@ -1980,6 +1981,11 @@ foreach check : all_checks
+@@ -1985,6 +1986,11 @@ foreach check : all_checks
              req = false
            endif
            dep = cc.find_library(link_with, required : req)
@@ -31,7 +31,7 @@ index 688b368859..dc9d18acd5 100644
            found = found and dep.found()
            extra_deps += dep
          endforeach
-@@ -2009,7 +2015,8 @@ foreach check : all_checks
+@@ -2014,7 +2020,8 @@ foreach check : all_checks
          else
            dep = dependency(pkg_name, required : req)
          endif
@@ -41,7 +41,7 @@ index 688b368859..dc9d18acd5 100644
          extra_deps += dep
        endif
      endif
-@@ -2023,14 +2030,14 @@ foreach check : all_checks
+@@ -2028,14 +2035,14 @@ foreach check : all_checks
          endif
  
          if not conf.has(header.underscorify())
@@ -58,7 +58,7 @@ index 688b368859..dc9d18acd5 100644
        n_funcs_found = 0
        foreach symbol : funcs
          if check_type == 'header-func'
-@@ -2050,7 +2057,7 @@ foreach check : all_checks
+@@ -2055,7 +2062,7 @@ foreach check : all_checks
        endif
      endif
  
@@ -67,7 +67,7 @@ index 688b368859..dc9d18acd5 100644
        n_defines_found = 0
        foreach symbol : defines
          if cc.get_define(symbol, dependencies : extra_deps, prefix: prefix, args : c_args + project_c_args) != ''
-@@ -2060,15 +2067,15 @@ foreach check : all_checks
+@@ -2065,15 +2072,15 @@ foreach check : all_checks
        found = n_defines_found == defines.length()
      endif
  
@@ -86,7 +86,7 @@ index 688b368859..dc9d18acd5 100644
        found = cc.has_type(type, prefix : prefix, dependencies : extra_deps, args : c_args + project_c_args)
      endif
  
-@@ -3087,6 +3094,11 @@ foreach a: arch_list
+@@ -3103,6 +3110,11 @@ foreach a: arch_list
  endforeach
  
  foreach have: have_list