Merge commit '54307b35311e9a871b3d8ecb2b2eecfc16de0163'

[ffmpeg] / libavformat / utils.c

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 3e482a3bbc18bd13ab9b676a051914bf402efc81..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);
@@ -5070,11 +5071,94 @@ FF_ENABLE_DEPRECATION_WARNINGS
             if (s->programs[i]->id != prog_id)
                 continue;
 
-            if (*endptr++ == ':') {
-                int stream_idx = strtol(endptr, NULL, 0);
-                return stream_idx >= 0 &&
-                    stream_idx < s->programs[i]->nb_stream_indexes &&
-                    st->index == s->programs[i]->stream_index[stream_idx];
+            if (*endptr++ == ':') {  // p:<id>:....
+                if ( *endptr == 'a' || *endptr == 'v' ||
+                     *endptr == 's' || *endptr == 'd') {  // p:<id>:<st_type>[:<index>]
+                    enum AVMediaType type;
+
+                    switch (*endptr++) {
+                    case 'v': type = AVMEDIA_TYPE_VIDEO;      break;
+                    case 'a': type = AVMEDIA_TYPE_AUDIO;      break;
+                    case 's': type = AVMEDIA_TYPE_SUBTITLE;   break;
+                    case 'd': type = AVMEDIA_TYPE_DATA;       break;
+                    default:  av_assert0(0);
+                    }
+                    if (*endptr++ == ':') {  // p:<id>:<st_type>:<index>
+                        int stream_idx = strtol(endptr, NULL, 0), type_counter = 0;
+                        for (j = 0; j < s->programs[i]->nb_stream_indexes; j++) {
+                            int stream_index = s->programs[i]->stream_index[j];
+                            if (st->index == s->programs[i]->stream_index[j]) {
+#if FF_API_LAVF_AVCTX
+FF_DISABLE_DEPRECATION_WARNINGS
+                                return type_counter == stream_idx &&
+                                       (type == st->codecpar->codec_type ||
+                                        type == st->codec->codec_type);
+FF_ENABLE_DEPRECATION_WARNINGS
+#else
+                                return type_counter == stream_idx &&
+                                       type == st->codecpar->codec_type;
+#endif
+                             }
+#if FF_API_LAVF_AVCTX
+FF_DISABLE_DEPRECATION_WARNINGS
+                            if (type == s->streams[stream_index]->codecpar->codec_type ||
+                                type == s->streams[stream_index]->codec->codec_type)
+                                type_counter++;
+FF_ENABLE_DEPRECATION_WARNINGS
+#else
+                            if (type == s->streams[stream_index]->codecpar->codec_type)
+                                type_counter++;
+#endif
+                        }
+                        return 0;
+                    } else {  // p:<id>:<st_type>
+                        for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)
+                            if (st->index == s->programs[i]->stream_index[j]) {
+#if FF_API_LAVF_AVCTX
+FF_DISABLE_DEPRECATION_WARNINGS
+                                 return type == st->codecpar->codec_type ||
+                                        type == st->codec->codec_type;
+FF_ENABLE_DEPRECATION_WARNINGS
+#else
+                                 return type == st->codecpar->codec_type;
+#endif
+                            }
+                        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 &&
+                           stream_idx < s->programs[i]->nb_stream_indexes &&
+                           st->index == s->programs[i]->stream_index[stream_idx];
+                }
             }
 
             for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)