Merge commit '54307b35311e9a871b3d8ecb2b2eecfc16de0163'

[ffmpeg] / libavformat / utils.c

diff --git a/libavformat/utils.c b/libavformat/utils.c
index cc359983367513f3f3616c5dfdb081f0524edf71..733c6d65dc4ed4b060e654f981ca8d0dfa0a1b1f 100644 (file)
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1129,6 +1129,7 @@ static void update_initial_timestamps(AVFormatContext *s, int stream_index,
     if (st->first_dts != AV_NOPTS_VALUE ||
         dts           == AV_NOPTS_VALUE ||
         st->cur_dts   == AV_NOPTS_VALUE ||
+        st->cur_dts < INT_MIN + RELATIVE_TS_BASE ||
         is_relative(dts))
         return;
 
@@ -2648,7 +2649,7 @@ static void update_stream_timings(AVFormatContext *ic)
     else if (start_time > start_time_text)
         av_log(ic, AV_LOG_VERBOSE, "Ignoring outlier non primary stream starttime %f\n", start_time_text / (float)AV_TIME_BASE);
 
-    if (end_time == INT64_MIN || (end_time < end_time_text && end_time_text - end_time < AV_TIME_BASE)) {
+    if (end_time == INT64_MIN || (end_time < end_time_text && end_time_text - (uint64_t)end_time < AV_TIME_BASE)) {
         end_time = end_time_text;
     } else if (end_time < end_time_text) {
         av_log(ic, AV_LOG_VERBOSE, "Ignoring outlier non primary stream endtime %f\n", end_time_text / (float)AV_TIME_BASE);
@@ -5124,6 +5125,34 @@ FF_ENABLE_DEPRECATION_WARNINGS
                             }
                         return 0;
                     }
+
+                } else if ( *endptr == 'm') { // p:<id>:m:<metadata_spec>
+                    AVDictionaryEntry *tag;
+                    char *key, *val;
+                    int ret = 0;
+
+                    if (*(++endptr) != ':') {
+                        av_log(s, AV_LOG_ERROR, "Invalid stream specifier syntax, missing ':' sign after :m.\n");
+                        return AVERROR(EINVAL);
+                    }
+
+                    val = strchr(++endptr, ':');
+                    key = val ? av_strndup(endptr, val - endptr) : av_strdup(endptr);
+                    if (!key)
+                        return AVERROR(ENOMEM);
+
+                    for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)
+                        if (st->index == s->programs[i]->stream_index[j]) {
+                            tag = av_dict_get(st->metadata, key, NULL, 0);
+                            if (tag && (!val || !strcmp(tag->value, val + 1)))
+                                ret = 1;
+
+                            break;
+                        }
+
+                    av_freep(&key);
+                    return ret;
+
                 } else {  // p:<id>:<index>
                     int stream_idx = strtol(endptr, NULL, 0);
                     return stream_idx >= 0 &&