Signed-off-by: James Almer <jamr...@gmail.com>
---
Now returning a pointer to the requested entry.
libavformat/avformat.h | 38 ++++++++++++++++++++++++++++++++++++++
libavformat/utils.c | 26 ++++++++++++++++++++++++++
2 files changed, 64 insertions(+)
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 6a9b09160c..39371ea6d8 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -2767,6 +2767,44 @@ int av_find_default_stream_index(AVFormatContext *s);
*/
int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags);
+/**
+ * Get the index entry count for the given AVStream.
+ *
+ * @param st stream
+ * @return the number of index entries in the stream
+ */
+int av_index_get_entries_count(AVStream *st);
+
+/**
+ * Get the AVIndexEntry corresponding to the given index.
+ *
+ * @param st Stream containing the requested AVIndexEntry.
+ * @param idx The desired index.
+ * @return A pointer to the requested AVIndexEntry if it exists, NULL
otherwise.
+ *
+ * @note The pointer returned by this function is only guaranteed to be valid
+ * until any function that could alter the stream or the AVFormatContext
+ * that cointains it is called.
+ */
+const AVIndexEntry *av_index_get_entry(AVStream *st, int idx);
+
+/**
+ * Get the AVIndexEntry corresponding to the given timestamp.
+ *
+ * @param st Stream containing the requested AVIndexEntry.
+ * @param timestamp Timestamp to retrieve the index entry for.
+ * @param flags If AVSEEK_FLAG_BACKWARD then the returned entry will
correspond
+ * to the timestamp which is <= the requested one, if
backward
+ * is 0, then it will be >=
+ * if AVSEEK_FLAG_ANY seek to any frame, only keyframes
otherwise.
+ *
+ * @note The pointer returned by this function is only guaranteed to be valid
+ * until any function that could alter the stream or the AVFormatContext
+ * that cointains it is called.
+ */
+const AVIndexEntry *av_index_get_entry_from_timestamp(AVStream *st, int64_t
wanted_timestamp,
+ int flags);
+
/**
* Add an index entry into a sorted list. Update the entry if the list
* already contains it.
diff --git a/libavformat/utils.c b/libavformat/utils.c
index e9bf31e38b..812237c57e 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2176,6 +2176,32 @@ int av_index_search_timestamp(AVStream *st, int64_t
wanted_timestamp, int flags)
wanted_timestamp, flags);
}
+int av_index_get_entries_count(AVStream *st)
+{
+ return st->internal->nb_index_entries;
+}
+
+const AVIndexEntry *av_index_get_entry(AVStream *st, int idx)
+{
+ if (idx < 0 || idx >= st->internal->nb_index_entries)
+ return NULL;
+
+ return &st->internal->index_entries[idx];
+}
+
+const AVIndexEntry *av_index_get_entry_from_timestamp(AVStream *st, int64_t
wanted_timestamp,
+ int flags)
+{
+ int idx = ff_index_search_timestamp(st->internal->index_entries,
+ st->internal->nb_index_entries,
+ wanted_timestamp, flags);
+
+ if (idx < 0)
+ return NULL;
+
+ return &st->internal->index_entries[idx];
+}
+
static int64_t ff_read_timestamp(AVFormatContext *s, int stream_index, int64_t
*ppos, int64_t pos_limit,
int64_t (*read_timestamp)(struct
AVFormatContext *, int , int64_t *, int64_t ))
{
--
2.31.0
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
