avformat/rso: Deduplicate codec tags list

Also saves a relocation.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavformat/rso.c

@@ -28,3 +28,5 @@ const AVCodecTag ff_codec_rso_tags[] = {
     { AV_CODEC_ID_ADPCM_IMA_WAV,   0x0101 },
     { AV_CODEC_ID_NONE, 0 },
 };
+
+const AVCodecTag *const ff_rso_codec_tags_list[] = { ff_codec_rso_tags, NULL };

libavformat/rso.h

@@ -28,5 +28,6 @@
 
 /* The libavcodec codecs we support, and the IDs they have in the file */
 extern const AVCodecTag ff_codec_rso_tags[];
+extern const AVCodecTag *const ff_rso_codec_tags_list[];
 
 #endif /* AVFORMAT_RSO_H */

libavformat/rsodec.c

@@ -79,5 +79,5 @@ AVInputFormat ff_rso_demuxer = {
     .read_header    =   rso_read_header,
     .read_packet    =   ff_pcm_read_packet,
     .read_seek      =   ff_pcm_read_seek,
-    .codec_tag      =   (const AVCodecTag* const []){ff_codec_rso_tags, 0},
+    .codec_tag      =   ff_rso_codec_tags_list,
 };

libavformat/rsoenc.c

@@ -100,6 +100,6 @@ AVOutputFormat ff_rso_muxer = {
     .write_header   =   rso_write_header,
     .write_packet   =   ff_raw_write_packet,
     .write_trailer  =   rso_write_trailer,
-    .codec_tag      =   (const AVCodecTag* const []){ff_codec_rso_tags, 0},
+    .codec_tag      =   ff_rso_codec_tags_list,
     .flags          =   AVFMT_NOTIMESTAMPS,
 };