Add TV metadata patch for libav 0.7

ffmpeg/libav-0.7.patch

@@ -0,0 +1,81 @@
+--- libav/libavformat/mov.c	2011-08-09 14:03:47.622688230 -0700
++++ libav/libavformat/mov.c	2011-08-09 14:09:33.181475099 -0700
+@@ -81,19 +81,46 @@
+ 
+ static const MOVParseTableEntry mov_default_parse_table[];
+ 
+-static int mov_metadata_trkn(MOVContext *c, AVIOContext *pb, unsigned len)
++static int mov_metadata_trkn(MOVContext *c, AVIOContext *pb, unsigned len, const char *key)
+ {
+     char buf[16];
+ 
+     avio_rb16(pb); // unknown
+     snprintf(buf, sizeof(buf), "%d", avio_rb16(pb));
+-    av_dict_set(&c->fc->metadata, "track", buf, 0);
++    av_dict_set(&c->fc->metadata, key, buf, 0);
+ 
+     avio_rb16(pb); // total tracks
+ 
+     return 0;
+ }
+ 
++static int mov_metadata_int8(MOVContext *c, AVIOContext *pb, unsigned len, const char *key)
++{
++    char buf[16];
++
++    /* bypass padding bytes */
++    get_byte(pb);
++    get_byte(pb);
++    get_byte(pb);
++
++    snprintf(buf, sizeof(buf-1), "%hu", get_byte(pb));
++    buf[sizeof(buf)-1] = 0;
++    av_metadata_set2(&c->fc->metadata, key, buf, 0);
++
++    return 0;
++}
++
++static int mov_metadata_stik(MOVContext *c, AVIOContext *pb, unsigned len, const char *key)
++{
++    char buf[16];
++
++    snprintf(buf, sizeof(buf-1), "%hu", get_byte(pb));
++    buf[sizeof(buf)-1] = 0;
++    av_metadata_set2(&c->fc->metadata, key, buf, 0);
++
++    return 0;
++}
++
+ static const uint32_t mac_to_unicode[128] = {
+     0x00C4,0x00C5,0x00C7,0x00C9,0x00D1,0x00D6,0x00DC,0x00E1,
+     0x00E0,0x00E2,0x00E4,0x00E3,0x00E5,0x00E7,0x00E9,0x00E8,
+@@ -140,7 +167,7 @@
+     const char *key = NULL;
+     uint16_t str_size, langcode = 0;
+     uint32_t data_type = 0;
+-    int (*parse)(MOVContext*, AVIOContext*, unsigned) = NULL;
++    int (*parse)(MOVContext*, AVIOContext*, unsigned, const char *) = NULL;
+ 
+     switch (atom.type) {
+     case MKTAG(0xa9,'n','a','m'): key = "title";     break;
+@@ -162,6 +189,11 @@
+     case MKTAG( 't','v','s','h'): key = "show";      break;
+     case MKTAG( 't','v','e','n'): key = "episode_id";break;
+     case MKTAG( 't','v','n','n'): key = "network";   break;
++    case MKTAG( 't','v','e','s'): key = "episode_sort";
++    case MKTAG( 't','v','s','n'): key = "season_number";
++        parse = mov_metadata_int8; break;
++    case MKTAG( 's','t','i','k'): key = "stik";
++        parse = mov_metadata_stik; break;    
+     case MKTAG( 't','r','k','n'): key = "track";
+         parse = mov_metadata_trkn; break;
+     }
+@@ -198,7 +230,7 @@
+     str_size = FFMIN3(sizeof(str)-1, str_size, atom.size);
+ 
+     if (parse)
+-        parse(c, pb, str_size);
++        parse(c, pb, str_size, key);
+     else {
+         if (data_type == 3 || (data_type == 0 && langcode < 0x800)) { // MAC Encoded
+             mov_read_mac_string(c, pb, str_size, str, sizeof(str));