[FFmpeg-devel] [PATCH 3/5] libavcodec: write out user data unregistered SEI for x265

Brad Hards bradh at frogmouth.net
Fri Apr 30 14:34:30 EEST 2021


Signed-off-by: Brad Hards <bradh at frogmouth.net>
---
 libavcodec/libx265.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c
index a1bd205201..3dceb3d165 100644
--- a/libavcodec/libx265.c
+++ b/libavcodec/libx265.c
@@ -484,6 +484,8 @@ static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     int nnal;
     int ret;
     int i;
+    AVFrameSideData *sd;
+    int num_unregistered_sei;
 
     ctx->api->picture_init(ctx->params, &x265pic);
 
@@ -515,6 +517,17 @@ static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 
             memcpy(x265pic.userData, &pic->reordered_opaque, sizeof(pic->reordered_opaque));
         }
+        num_unregistered_sei = av_frame_num_side_data(pic, AV_FRAME_DATA_SEI_UNREGISTERED);
+        x265pic.userSEI.payloads = av_realloc_array(x265pic.userSEI.payloads, x265pic.userSEI.numPayloads + num_unregistered_sei, sizeof(x265_sei_payload));
+        for (i = 0; i < num_unregistered_sei; i++) {
+            sd = av_frame_get_side_data_n(pic, AV_FRAME_DATA_SEI_UNREGISTERED, i);
+            if (sd) {
+                x265pic.userSEI.payloads[x265pic.userSEI.numPayloads + i].payload = sd->data;
+                x265pic.userSEI.payloads[x265pic.userSEI.numPayloads + i].payloadSize = sd->size;
+                x265pic.userSEI.payloads[x265pic.userSEI.numPayloads + i].payloadType = USER_DATA_UNREGISTERED;
+            }
+        }
+        x265pic.userSEI.numPayloads += num_unregistered_sei;
     }
 
     ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal,
-- 
2.27.0



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