bit: use explicit struct initializers.

libavformat/bit.c

@@ -82,13 +82,12 @@ static int read_packet(AVFormatContext *s,
 }
 
 AVInputFormat ff_bit_demuxer = {
-    "bit",
-    "G.729 BIT file format",
-    0,
-    probe,
-    read_header,
-    read_packet,
-    .extensions = "bit"
+    .name        = "bit",
+    .long_name   = NULL_IF_CONFIG_SMALL("G.729 BIT file format"),
+    .read_probe  = probe,
+    .read_header = read_header,
+    .read_packet = read_packet,
+    .extensions  = "bit",
 };
 
 #ifdef CONFIG_MUXERS
@@ -123,15 +122,13 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
 }
 
 AVOutputFormat ff_bit_muxer = {
-    "bit",
-    "G.729 BIT file format",
-    "audio/bit",
-    "bit",
-    0,
-    CODEC_ID_G729,
-    CODEC_ID_NONE,
-    write_header,
-    write_packet,
-    .extensions = "bit"
+    .name         = "bit",
+    .long_name    = NULL_IF_CONFIG_SMALL("G.729 BIT file format"),
+    .mime_type    = "audio/bit",
+    .extensions   = "bit",
+    .audio_codec  = CODEC_ID_G729,
+    .video_codec  = CODEC_ID_NONE,
+    .write_header = write_header,
+    .write_packet = write_packet,
 };
 #endif