[FFmpeg-devel] [PATCH] avcodec/libdav1d: fix setting AVFrame reordered_opaque

[Andrey Semashev]

Actually reorder the values.

Should effectively fix ticket #8300.
---
 libavcodec/libdav1d.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c
index 8aa248e6cd..774e741db8 100644
--- a/libavcodec/libdav1d.c
+++ b/libavcodec/libdav1d.c
@@ -25,6 +25,7 @@
 #include "libavutil/mastering_display_metadata.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
+#include "libavutil/mem.h"
 
 #include "avcodec.h"
 #include "decode.h"
@@ -164,6 +165,10 @@ static void libdav1d_data_free(const uint8_t *data, void 
*opaque) {
     av_buffer_unref(&buf);
 }
 
+static void libdav1d_user_data_free(const uint8_t *data, void *opaque) {
+    av_free(data);
+}
+
 static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame)
 {
     Libdav1dContext *dav1d = c->priv_data;
@@ -179,6 +184,8 @@ static int libdav1d_receive_frame(AVCodecContext *c, 
AVFrame *frame)
             return res;
 
         if (pkt.size) {
+            int64_t *reordered_opaque;
+
             res = dav1d_data_wrap(data, pkt.data, pkt.size, 
libdav1d_data_free, pkt.buf);
             if (res < 0) {
                 av_packet_unref(&pkt);
@@ -191,6 +198,22 @@ static int libdav1d_receive_frame(AVCodecContext *c, 
AVFrame *frame)
 
             pkt.buf = NULL;
             av_packet_unref(&pkt);
+
+            reordered_opaque = av_malloc(sizeof(int64_t));
+
+            if (!reordered_opaque) {
+                dav1d_data_unref(data);
+                return AVERROR(ENOMEM);
+            }
+
+            *reordered_opaque = c->reordered_opaque;
+            res = dav1d_data_wrap_user_data(data, (const uint8_t 
*)reordered_opaque,
+                                            libdav1d_user_data_free, NULL);
+            if (res < 0) {
+                av_free(reordered_opaque);
+                dav1d_data_unref(data);
+                return res;
+            }
         }
     }
 
@@ -260,7 +283,8 @@ static int libdav1d_receive_frame(AVCodecContext *c, 
AVFrame *frame)
     else
         frame->format = c->pix_fmt = pix_fmt[p->p.layout][p->seq_hdr->hbd];
 
-    frame->reordered_opaque = c->reordered_opaque;
+    if (p->m.user_data.data)
+        frame->reordered_opaque = *(int64_t *)p->m.user_data.data;
 
     // match timestamps and packet size
     frame->pts = frame->best_effort_timestamp = p->m.timestamp;
-- 
2.20.1

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