[FFmpeg-devel] [PATCH v2 2/4] libavcodec: write out user data unregistered SEI for x265

[Brad Hards]

Signed-off-by: Brad Hards <br...@frogmouth.net>
---
 libavcodec/libx265.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index a1bd205201..013a991e52 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -484,6 +484,7 @@ static int libx265_encode_frame(AVCodecContext *avctx, 
AVPacket *pkt,
     int nnal;
     int ret;
     int i;
+    int total_unregistered_sei;
 
     ctx->api->picture_init(ctx->params, &x265pic);
 
@@ -515,6 +516,25 @@ static int libx265_encode_frame(AVCodecContext *avctx, 
AVPacket *pkt,
 
             memcpy(x265pic.userData, &pic->reordered_opaque, 
sizeof(pic->reordered_opaque));
         }
+        for (int j = 0; j < pic->nb_side_data; j++) {
+            if (pic->side_data[j]->type == AV_FRAME_DATA_SEI_UNREGISTERED)
+                total_unregistered_sei++;
+        }
+        if (total_unregistered_sei > 0) {
+            x265_sei *sei = &(x265pic.userSEI);
+            sei->payloads = av_realloc_array(sei->payloads,
+                                             sei->numPayloads + 
total_unregistered_sei,
+                                             sizeof(x265_sei_payload));
+            for (int j = 0; j < pic->nb_side_data; j++) {
+                if (pic->side_data[j]->type == AV_FRAME_DATA_SEI_UNREGISTERED) 
{
+                    x265_sei_payload *payload = 
&(sei->payloads[sei->numPayloads]);
+                    payload->payload = pic->side_data[j]->data;
+                    payload->payloadSize = pic->side_data[j]->size;
+                    payload->payloadType = USER_DATA_UNREGISTERED;
+                    sei->numPayloads++;
+                }
+            }
+        }
     }
 
     ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
-- 
2.27.0

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