demux: move packet list functions

Move them to the only place where they are used, demux_subreader.c.

3 files changed, 49 insertions, 73 deletions

diff --git a/demux/demux.c b/demux/demux.c
index 2c47bcefe3..f2310d2aa7 100644
--- a/demux/demux.c
+++ b/demux/demux.c
@@ -957,69 +957,3 @@ int demuxer_set_angle(demuxer_t *demuxer, int angle)
 
     return angle;
 }
-
-static int packet_sort_compare(const void *p1, const void *p2)
-{
-    struct demux_packet *c1 = *(struct demux_packet **)p1;
-    struct demux_packet *c2 = *(struct demux_packet **)p2;
-
-    if (c1->pts > c2->pts)
-        return 1;
-    else if (c1->pts < c2->pts)
-        return -1;
-    return 0;
-}
-
-void demux_packet_list_sort(struct demux_packet **pkts, int num_pkts)
-{
-    qsort(pkts, num_pkts, sizeof(struct demux_packet *), packet_sort_compare);
-}
-
-void demux_packet_list_seek(struct demux_packet **pkts, int num_pkts,
-                            int *current, float rel_seek_secs, int flags)
-{
-    double ref_time = 0;
-    if (*current >= 0 && *current < num_pkts) {
-        ref_time = pkts[*current]->pts;
-    } else if (*current == num_pkts && num_pkts > 0) {
-        ref_time = pkts[num_pkts - 1]->pts + pkts[num_pkts - 1]->duration;
-    }
-
-    if (flags & SEEK_ABSOLUTE)
-        ref_time = 0;
-
-    if (flags & SEEK_FACTOR) {
-        ref_time += demux_packet_list_duration(pkts, num_pkts) * rel_seek_secs;
-    } else {
-        ref_time += rel_seek_secs;
-    }
-
-    // Could do binary search, but it's probably not worth the complexity.
-    int last_index = 0;
-    for (int n = 0; n < num_pkts; n++) {
-        if (pkts[n]->pts > ref_time)
-            break;
-        last_index = n;
-    }
-    *current = last_index;
-}
-
-double demux_packet_list_duration(struct demux_packet **pkts, int num_pkts)
-{
-    if (num_pkts > 0)
-        return pkts[num_pkts - 1]->pts + pkts[num_pkts - 1]->duration;
-    return 0;
-}
-
-struct demux_packet *demux_packet_list_fill(struct demux_packet **pkts,
-                                            int num_pkts, int *current)
-{
-    if (*current < 0)
-        *current = 0;
-    if (*current >= num_pkts)
-        return NULL;
-    struct demux_packet *new = talloc(NULL, struct demux_packet);
-    *new = *pkts[*current];
-    *current += 1;
-    return new;
-}
diff --git a/demux/demux.h b/demux/demux.h
index 641afe6908..fce46faf31 100644
--- a/demux/demux.h
+++ b/demux/demux.h
@@ -280,13 +280,6 @@ struct sh_stream *demuxer_stream_by_demuxer_id(struct demuxer *d,
 bool demuxer_stream_is_selected(struct demuxer *d, struct sh_stream *stream);
 bool demuxer_stream_has_packets_queued(struct demuxer *d, struct sh_stream *stream);
 
-void demux_packet_list_sort(struct demux_packet **pkts, int num_pkts);
-void demux_packet_list_seek(struct demux_packet **pkts, int num_pkts,
-                            int *current, float rel_seek_secs, int flags);
-double demux_packet_list_duration(struct demux_packet **pkts, int num_pkts);
-struct demux_packet *demux_packet_list_fill(struct demux_packet **pkts,
-                                            int num_pkts, int *current);
-
 bool demux_matroska_uid_cmp(struct matroska_segment_uid *a,
                             struct matroska_segment_uid *b);
 
diff --git a/demux/demux_subreader.c b/demux/demux_subreader.c
index 6eb58f0033..89e9645f0e 100644
--- a/demux/demux_subreader.c
+++ b/demux/demux_subreader.c
@@ -111,6 +111,55 @@ struct readline_args {
 /* Maximal length of line of a subtitle */
 #define LINE_LEN 1000
 
+static double demux_packet_list_duration(struct demux_packet **pkts, int num_pkts)
+{
+    if (num_pkts > 0)
+        return pkts[num_pkts - 1]->pts + pkts[num_pkts - 1]->duration;
+    return 0;
+}
+
+static void demux_packet_list_seek(struct demux_packet **pkts, int num_pkts,
+                                   int *current, float rel_seek_secs, int flags)
+{
+    double ref_time = 0;
+    if (*current >= 0 && *current < num_pkts) {
+        ref_time = pkts[*current]->pts;
+    } else if (*current == num_pkts && num_pkts > 0) {
+        ref_time = pkts[num_pkts - 1]->pts + pkts[num_pkts - 1]->duration;
+    }
+
+    if (flags & SEEK_ABSOLUTE)
+        ref_time = 0;
+
+    if (flags & SEEK_FACTOR) {
+        ref_time += demux_packet_list_duration(pkts, num_pkts) * rel_seek_secs;
+    } else {
+        ref_time += rel_seek_secs;
+    }
+
+    // Could do binary search, but it's probably not worth the complexity.
+    int last_index = 0;
+    for (int n = 0; n < num_pkts; n++) {
+        if (pkts[n]->pts > ref_time)
+            break;
+        last_index = n;
+    }
+    *current = last_index;
+}
+
+static struct demux_packet *demux_packet_list_fill(struct demux_packet **pkts,
+                                                   int num_pkts, int *current)
+{
+    if (*current < 0)
+        *current = 0;
+    if (*current >= num_pkts)
+        return NULL;
+    struct demux_packet *new = talloc(NULL, struct demux_packet);
+    *new = *pkts[*current];
+    *current += 1;
+    return new;
+}
+
 static int eol(char p) {
         return p=='\r' || p=='\n' || p=='\0';
 }