get rid of the [4] limitation of codec tag lists

Originally committed as revision 7596 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/aiff.c

@@ -417,7 +417,7 @@ AVInputFormat aiff_demuxer = {
     aiff_read_packet,
     aiff_read_close,
     aiff_read_seek,
-    .codec_tag= {codec_aiff_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_aiff_tags, 0},
 };
 #endif
 
@@ -433,6 +433,6 @@ AVOutputFormat aiff_muxer = {
     aiff_write_header,
     aiff_write_packet,
     aiff_write_trailer,
-    .codec_tag= {codec_aiff_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_aiff_tags, 0},
 };
 #endif

libavformat/asf-enc.c

@@ -849,7 +849,7 @@ AVOutputFormat asf_muxer = {
     asf_write_packet,
     asf_write_trailer,
     .flags = AVFMT_GLOBALHEADER,
-    .codec_tag= {codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
 };
 #endif
 
@@ -870,6 +870,6 @@ AVOutputFormat asf_stream_muxer = {
     asf_write_packet,
     asf_write_trailer,
     .flags = AVFMT_GLOBALHEADER,
-    .codec_tag= {codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_asf_bmp_tags, codec_bmp_tags, codec_wav_tags, 0},
 };
 #endif //CONFIG_ASF_STREAM_MUXER

libavformat/au.c

@@ -190,7 +190,7 @@ AVInputFormat au_demuxer = {
     au_read_packet,
     au_read_close,
     pcm_read_seek,
-    .codec_tag= {codec_au_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_au_tags, 0},
 };
 #endif
 
@@ -206,6 +206,6 @@ AVOutputFormat au_muxer = {
     au_write_header,
     au_write_packet,
     au_write_trailer,
-    .codec_tag= {codec_au_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_au_tags, 0},
 };
 #endif //CONFIG_AU_MUXER

libavformat/avformat.h

@@ -162,7 +162,7 @@ typedef struct AVOutputFormat {
      * list of supported codec_id-codec_tag pairs, ordered by "better choice first"
      * the arrays are all CODEC_ID_NONE terminated
      */
-    const struct AVCodecTag *codec_tag[4];
+    const struct AVCodecTag **codec_tag;
 
     /* private fields */
     struct AVOutputFormat *next;
@@ -219,7 +219,7 @@ typedef struct AVInputFormat {
        (RTSP) */
     int (*read_pause)(struct AVFormatContext *);
 
-    const struct AVCodecTag *codec_tag[4];
+    const struct AVCodecTag **codec_tag;
 
     /* private fields */
     struct AVInputFormat *next;
@@ -408,8 +408,8 @@ void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload);
 void av_register_all(void);
 
 /* codec tag <-> codec id */
-enum CodecID av_codec_get_id(const struct AVCodecTag *tags[4], unsigned int tag);
+enum CodecID av_codec_get_id(const struct AVCodecTag **tags, unsigned int tag);
-unsigned int av_codec_get_tag(const struct AVCodecTag *tags[4], enum CodecID id);
+unsigned int av_codec_get_tag(const struct AVCodecTag **tags, enum CodecID id);
 
 /* media file input */
 AVInputFormat *av_find_input_format(const char *short_name);

libavformat/avienc.c

@@ -575,6 +575,6 @@ AVOutputFormat avi_muxer = {
     avi_write_header,
     avi_write_packet,
     avi_write_trailer,
-    .codec_tag= {codec_bmp_tags, codec_wav_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_bmp_tags, codec_wav_tags, 0},
 };
 #endif //CONFIG_AVI_MUXER

libavformat/flvenc.c

@@ -332,5 +332,5 @@ AVOutputFormat flv_muxer = {
     flv_write_header,
     flv_write_packet,
     flv_write_trailer,
-    .codec_tag= {flv_video_codec_ids, flv_audio_codec_ids},
+    .codec_tag= (const AVCodecTag*[]){flv_video_codec_ids, flv_audio_codec_ids, 0},
 };

libavformat/riff.c

@@ -233,7 +233,7 @@ enum CodecID codec_get_id(const AVCodecTag *tags, unsigned int tag)
 unsigned int av_codec_get_tag(const AVCodecTag *tags[4], enum CodecID id)
 {
     int i;
-    for(i=0; i<4 && tags[i]; i++){
+    for(i=0; tags && tags[i]; i++){
         int tag= codec_get_tag(tags[i], id);
         if(tag) return tag;
     }
@@ -243,7 +243,7 @@ unsigned int av_codec_get_tag(const AVCodecTag *tags[4], enum CodecID id)
 enum CodecID av_codec_get_id(const AVCodecTag *tags[4], unsigned int tag)
 {
     int i;
-    for(i=0; i<4 && tags[i]; i++){
+    for(i=0; tags && tags[i]; i++){
         enum CodecID id= codec_get_id(tags[i], tag);
         if(id!=CODEC_ID_NONE) return id;
     }

libavformat/vocdec.c

@@ -152,5 +152,5 @@ AVInputFormat voc_demuxer = {
     voc_read_header,
     voc_read_packet,
     voc_read_close,
-    .codec_tag={voc_codec_tags},
+    .codec_tag=(const AVCodecTag*[]){voc_codec_tags, 0},
 };

libavformat/vocenc.c

@@ -101,5 +101,5 @@ AVOutputFormat voc_muxer = {
     voc_write_header,
     voc_write_packet,
     voc_write_trailer,
-    .codec_tag={voc_codec_tags},
+    .codec_tag=(const AVCodecTag*[]){voc_codec_tags, 0},
 };

libavformat/wav.c

@@ -235,7 +235,7 @@ AVInputFormat wav_demuxer = {
     wav_read_packet,
     wav_read_close,
     wav_read_seek,
-    .codec_tag= {codec_wav_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_wav_tags, 0},
 };
 #endif
 #ifdef CONFIG_WAV_MUXER
@@ -250,6 +250,6 @@ AVOutputFormat wav_muxer = {
     wav_write_header,
     wav_write_packet,
     wav_write_trailer,
-    .codec_tag= {codec_wav_tags},
+    .codec_tag= (const AVCodecTag*[]){codec_wav_tags, 0},
 };
 #endif