[FFmpeg-devel] [PATCH] lavc/vaapi_encode: fix propagating durations and opaques

[Anton Khirnov <anton@khirnov.net>]

input_image is freed by the time the output packet is constructed, so we
need to store copies in VAAPIEncodePicture.
---
Is this better?
---
 libavcodec/vaapi_encode.c | 22 +++++++++++++++++-----
 libavcodec/vaapi_encode.h |  4 ++++
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c
index 6787b90e8d6..bfca315a7ad 100644
--- a/libavcodec/vaapi_encode.c
+++ b/libavcodec/vaapi_encode.c
@@ -695,7 +695,7 @@ static int vaapi_encode_output(AVCodecContext *avctx,
         pkt->flags |= AV_PKT_FLAG_KEY;
 
     pkt->pts = pic->pts;
-    pkt->duration = pic->input_image->duration;
+    pkt->duration = pic->duration;
 
     vas = vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
     if (vas != VA_STATUS_SUCCESS) {
@@ -706,10 +706,11 @@ static int vaapi_encode_output(AVCodecContext *avctx,
     }
 
     // for no-delay encoders this is handled in generic codec
-    if (avctx->codec->capabilities & AV_CODEC_CAP_DELAY) {
-        err = ff_encode_reordered_opaque(avctx, pkt, pic->input_image);
-        if (err < 0)
-            goto fail;
+    if (avctx->codec->capabilities & AV_CODEC_CAP_DELAY &&
+        avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
+        pkt->opaque     = pic->opaque;
+        pkt->opaque_ref = pic->opaque_ref;
+        pic->opaque_ref = NULL;
     }
 
     av_buffer_unref(&pic->output_buffer_ref);
@@ -785,6 +786,8 @@ static int vaapi_encode_free(AVCodecContext *avctx,
     av_frame_free(&pic->input_image);
     av_frame_free(&pic->recon_image);
 
+    av_buffer_unref(&pic->opaque_ref);
+
     av_freep(&pic->param_buffers);
     av_freep(&pic->slices);
     // Output buffer should already be destroyed.
@@ -1152,6 +1155,15 @@ static int vaapi_encode_send_frame(AVCodecContext *avctx, AVFrame *frame)
 
         pic->input_surface = (VASurfaceID)(uintptr_t)frame->data[3];
         pic->pts = frame->pts;
+        pic->duration = frame->duration;
+
+        if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) {
+            err = av_buffer_replace(&pic->opaque_ref, frame->opaque_ref);
+            if (err < 0)
+                goto fail;
+
+            pic->opaque = frame->opaque;
+        }
 
         av_frame_move_ref(pic->input_image, frame);
 
diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h
index 359f954ffff..a1e639f56b0 100644
--- a/libavcodec/vaapi_encode.h
+++ b/libavcodec/vaapi_encode.h
@@ -75,8 +75,12 @@ typedef struct VAAPIEncodePicture {
     int64_t         display_order;
     int64_t         encode_order;
     int64_t         pts;
+    int64_t         duration;
     int             force_idr;
 
+    void           *opaque;
+    AVBufferRef    *opaque_ref;
+
 #if VA_CHECK_VERSION(1, 0, 0)
     // ROI regions.
     VAEncROI       *roi;
-- 
2.35.1

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