Delete unnecessary 'extern' keywords.

[ffmpeg] / libavformat / matroskadec.c

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 04aa67aaed65fbf1a09f9f7866b0012f5e7299dc..5a79712f05ff34e13d429e593c7f8af2b6648d56 100644 (file)
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -200,7 +200,7 @@ typedef struct {
     EbmlList seekhead;
 
     /* byte position of the segment inside the stream */
-    offset_t segment_start;
+    int64_t segment_start;
 
     /* the packet queue */
     AVPacket **packets;
@@ -226,8 +226,6 @@ typedef struct {
     EbmlList blocks;
 } MatroskaCluster;
 
-#define ARRAY_SIZE(x)  (sizeof(x)/sizeof(*x))
-
 static EbmlSyntax ebml_header[] = {
     { EBML_ID_EBMLREADVERSION,        EBML_UINT, 0, offsetof(Ebml,version), {.u=EBML_VERSION} },
     { EBML_ID_EBMLMAXSIZELENGTH,      EBML_UINT, 0, offsetof(Ebml,max_size), {.u=8} },
@@ -495,7 +493,7 @@ const struct {
 static int ebml_level_end(MatroskaDemuxContext *matroska)
 {
     ByteIOContext *pb = matroska->ctx->pb;
-    offset_t pos = url_ftell(pb);
+    int64_t pos = url_ftell(pb);
 
     if (matroska->num_levels > 0) {
         MatroskaLevel *level = &matroska->levels[matroska->num_levels - 1];
@@ -527,7 +525,7 @@ static int ebml_read_num(MatroskaDemuxContext *matroska, ByteIOContext *pb,
     if (!(total = get_byte(pb))) {
         /* we might encounter EOS here */
         if (!url_feof(pb)) {
-            offset_t pos = url_ftell(pb);
+            int64_t pos = url_ftell(pb);
             av_log(matroska->ctx, AV_LOG_ERROR,
                    "Read error at pos. %"PRIu64" (0x%"PRIx64")\n",
                    pos, pos);
@@ -541,7 +539,7 @@ static int ebml_read_num(MatroskaDemuxContext *matroska, ByteIOContext *pb,
         len_mask >>= 1;
     }
     if (read > max_size) {
-        offset_t pos = url_ftell(pb) - 1;
+        int64_t pos = url_ftell(pb) - 1;
         av_log(matroska->ctx, AV_LOG_ERROR,
                "Invalid EBML number size tag 0x%02x at pos %"PRIu64" (0x%"PRIx64")\n",
                (uint8_t) total, pos, pos);
@@ -980,7 +978,7 @@ static void matroska_convert_tags(AVFormatContext *s, EbmlList *list)
     int i, j;
 
     for (i=0; i < list->nb_elem; i++) {
-        for (j=0; j < ARRAY_SIZE(metadata); j++){
+        for (j=0; j < FF_ARRAY_ELEMS(metadata); j++){
             if (!strcmp(tags[i].name, metadata[j].name)) {
                 int *ptr = (int *)((char *)s + metadata[j].offset);
                 if (*ptr)  continue;
@@ -1000,12 +998,12 @@ static void matroska_execute_seekhead(MatroskaDemuxContext *matroska)
     EbmlList *seekhead_list = &matroska->seekhead;
     MatroskaSeekhead *seekhead = seekhead_list->elem;
     uint32_t level_up = matroska->level_up;
-    offset_t before_pos = url_ftell(matroska->ctx->pb);
+    int64_t before_pos = url_ftell(matroska->ctx->pb);
     MatroskaLevel level;
     int i;
 
     for (i=0; i<seekhead_list->nb_elem; i++) {
-        offset_t offset = seekhead[i].pos + matroska->segment_start;
+        int64_t offset = seekhead[i].pos + matroska->segment_start;
 
         if (seekhead[i].pos <= before_pos
             || seekhead[i].id == MATROSKA_ID_SEEKHEAD
@@ -1050,7 +1048,7 @@ static int matroska_aac_profile(char *codec_id)
     static const char * const aac_profiles[] = { "MAIN", "LC", "SSR" };
     int profile;
 
-    for (profile=0; profile<ARRAY_SIZE(aac_profiles); profile++)
+    for (profile=0; profile<FF_ARRAY_ELEMS(aac_profiles); profile++)
         if (strstr(codec_id, aac_profiles[profile]))
             break;
     return profile + 1;
@@ -1060,7 +1058,7 @@ static int matroska_aac_sri(int samplerate)
 {
     int sri;
 
-    for (sri=0; sri<ARRAY_SIZE(ff_mpeg4audio_sample_rates); sri++)
+    for (sri=0; sri<FF_ARRAY_ELEMS(ff_mpeg4audio_sample_rates); sri++)
         if (ff_mpeg4audio_sample_rates[sri] == samplerate)
             break;
     return sri;
@@ -1076,6 +1074,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
     MatroskaTrack *tracks;
     EbmlList *index_list;
     MatroskaIndex *index;
+    int index_scale = 1;
     Ebml ebml = { 0 };
     AVStream *st;
     int i, j;
@@ -1371,6 +1370,11 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
     index_list = &matroska->index;
     index = index_list->elem;
+    if (index_list->nb_elem
+        && index[0].time > 100000000000000/matroska->time_scale) {
+        av_log(matroska->ctx, AV_LOG_WARNING, "Working around broken index.\n");
+        index_scale = matroska->time_scale;
+    }
     for (i=0; i<index_list->nb_elem; i++) {
         EbmlList *pos_list = &index[i].pos;
         MatroskaIndexPos *pos = pos_list->elem;
@@ -1380,7 +1384,8 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
             if (track && track->stream)
                 av_add_index_entry(track->stream,
                                    pos[j].pos + matroska->segment_start,
-                                   index[i].time, 0, 0, AVINDEX_KEYFRAME);
+                                   index[i].time/index_scale, 0, 0,
+                                   AVINDEX_KEYFRAME);
         }
     }
 
@@ -1666,7 +1671,7 @@ static int matroska_parse_cluster(MatroskaDemuxContext *matroska)
     EbmlList *blocks_list;
     MatroskaBlock *blocks;
     int i, res;
-    offset_t pos = url_ftell(matroska->ctx->pb);
+    int64_t pos = url_ftell(matroska->ctx->pb);
     matroska->prev_pkt = NULL;
     if (matroska->has_cluster_id){
         /* For the first cluster we parse, its ID was already read as