lavc: use designated initializers for AVClasses

Signed-off-by: Paul B Mahol <onemda@gmail.com>

libavcodec/ac3enc_fixed.c

@@ -34,8 +34,13 @@
 
 #define AC3ENC_TYPE AC3ENC_TYPE_AC3_FIXED
 #include "ac3enc_opts_template.c"
-static const AVClass ac3enc_class = { "Fixed-Point AC-3 Encoder", av_default_item_name,
-                                      ac3fixed_options, LIBAVUTIL_VERSION_INT };
+
+static const AVClass ac3enc_class = {
+    .class_name = "Fixed-Point AC-3 Encoder",
+    .item_name  = av_default_item_name,
+    .option     = ac3fixed_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 #include "ac3enc_template.c"
 

libavcodec/ac3enc_float.c

@@ -36,8 +36,12 @@
 #if CONFIG_AC3_ENCODER
 #define AC3ENC_TYPE AC3ENC_TYPE_AC3
 #include "ac3enc_opts_template.c"
-static const AVClass ac3enc_class = { "AC-3 Encoder", av_default_item_name,
-                                      ac3_options, LIBAVUTIL_VERSION_INT };
+static const AVClass ac3enc_class = {
+    .class_name = "AC-3 Encoder",
+    .item_name  = av_default_item_name,
+    .option     = ac3_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 #endif
 
 #include "ac3enc_template.c"

libavcodec/dnxhdenc.c

@@ -42,7 +42,13 @@ static const AVOption options[]={
     {"nitris_compat", "encode with Avid Nitris compatibility", offsetof(DNXHDEncContext, nitris_compat), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, VE},
 {NULL}
 };
-static const AVClass class = { "dnxhd", av_default_item_name, options, LIBAVUTIL_VERSION_INT };
+
+static const AVClass class = {
+    .class_name = "dnxhd",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 #define LAMBDA_FRAC_BITS 10
 

libavcodec/eac3enc.c

@@ -32,9 +32,13 @@
 
 #define AC3ENC_TYPE AC3ENC_TYPE_EAC3
 #include "ac3enc_opts_template.c"
-static const AVClass eac3enc_class = { "E-AC-3 Encoder", av_default_item_name,
-                                       eac3_options, LIBAVUTIL_VERSION_INT };
 
+static const AVClass eac3enc_class = {
+    .class_name = "E-AC-3 Encoder",
+    .item_name  = av_default_item_name,
+    .option     = eac3_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 /**
  * LUT for finding a matching frame exponent strategy index from a set of

libavcodec/libvorbisenc.c

@@ -65,8 +65,12 @@ static const AVCodecDefault defaults[] = {
     { NULL },
 };
 
-static const AVClass class = { "libvorbis", av_default_item_name, options, LIBAVUTIL_VERSION_INT };
-
+static const AVClass class = {
+    .class_name = "libvorbis",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 static int vorbis_error_to_averror(int ov_err)
 {

libavcodec/rawdec.c

@@ -45,7 +45,12 @@ static const AVOption options[]={
 {"top", "top field first", offsetof(RawVideoContext, tff), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM|AV_OPT_FLAG_VIDEO_PARAM},
 {NULL}
 };
-static const AVClass class = { "rawdec", NULL, options, LIBAVUTIL_VERSION_INT };
+
+static const AVClass class = {
+    .class_name = "rawdec",
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 static const PixelFormatTag pix_fmt_bps_avi[] = {
     { PIX_FMT_MONOWHITE, 1 },