[FFmpeg-devel] [PATCH v7 08/14] avutil/frame: add helper for getting side data from array
Jan Ekström
jeebjp at gmail.com
Thu Feb 29 18:42:55 EET 2024
---
libavutil/frame.c | 20 +++++++++++++++-----
libavutil/frame.h | 14 ++++++++++++++
2 files changed, 29 insertions(+), 5 deletions(-)
diff --git a/libavutil/frame.c b/libavutil/frame.c
index 3a2084d1ca..fd4b53f9ff 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -940,16 +940,26 @@ int av_frame_side_data_from_sd(AVFrameSideData ***sd, int *nb_sd,
return 0;
}
-AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
- enum AVFrameSideDataType type)
+const AVFrameSideData *av_frame_side_data_get(const AVFrameSideData **sd,
+ const int nb_sd,
+ enum AVFrameSideDataType type)
{
- for (int i = 0; i < frame->nb_side_data; i++) {
- if (frame->side_data[i]->type == type)
- return frame->side_data[i];
+ for (int i = 0; i < nb_sd; i++) {
+ if (sd[i]->type == type)
+ return sd[i];
}
return NULL;
}
+AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
+ enum AVFrameSideDataType type)
+{
+ return (AVFrameSideData *)av_frame_side_data_get(
+ (const AVFrameSideData **)frame->side_data, frame->nb_side_data,
+ type
+ );
+}
+
static int frame_copy_video(AVFrame *dst, const AVFrame *src)
{
int planes;
diff --git a/libavutil/frame.h b/libavutil/frame.h
index 908fd4a90d..01311e68eb 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -1120,6 +1120,20 @@ int av_frame_side_data_from_sd(AVFrameSideData ***sd, int *nb_sd,
const AVFrameSideData *src,
unsigned int flags);
+/**
+ * Get a side data entry of a specific type from a set.
+ *
+ * @param sd array of side data.
+ * @param nb_sd integer containing the number of entries in the array.
+ * @param type type of side data to be queried
+ *
+ * @return a pointer to the side data of a given type on success, NULL if there
+ * is no side data with such type in this set.
+ */
+const AVFrameSideData *av_frame_side_data_get(const AVFrameSideData **sd,
+ const int nb_sd,
+ enum AVFrameSideDataType type);
+
/**
* @}
*/
--
2.44.0
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