vdpau: restore compatibility with deprecated fields in AVVDPAUContext

Fixes ticket #3133.
Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>
Tested-by: EricV
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/vdpau.c

@@ -69,6 +69,15 @@ int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
     VdpVideoSurface surf = ff_vdpau_get_surface_id(pic);
 
+#if FF_API_BUFS_VDPAU
+FF_DISABLE_DEPRECATION_WARNINGS
+    hwctx->info = pic_ctx->info;
+    hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
+    hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
+    hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     if (!hwctx->render) {
         res = hwctx->render2(avctx, &pic->f, (void *)&pic_ctx->info,
                              pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
@@ -79,6 +88,14 @@ int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
     ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
     av_freep(&pic_ctx->bitstream_buffers);
 
+#if FF_API_BUFS_VDPAU
+FF_DISABLE_DEPRECATION_WARNINGS
+    hwctx->bitstream_buffers = NULL;
+    hwctx->bitstream_buffers_used = 0;
+    hwctx->bitstream_buffers_allocated = 0;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     return res;
 }
 #endif

libavcodec/vdpau_h264.c

@@ -195,6 +195,15 @@ static int vdpau_h264_end_frame(AVCodecContext *avctx)
     struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
     VdpVideoSurface surf = ff_vdpau_get_surface_id(pic);
 
+#if FF_API_BUFS_VDPAU
+FF_DISABLE_DEPRECATION_WARNINGS
+    hwctx->info = pic_ctx->info;
+    hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
+    hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
+    hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     if (!hwctx->render) {
         res = hwctx->render2(avctx, &pic->f, (void *)&pic_ctx->info,
                              pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
@@ -205,6 +214,14 @@ static int vdpau_h264_end_frame(AVCodecContext *avctx)
     ff_h264_draw_horiz_band(h, 0, h->avctx->height);
     av_freep(&pic_ctx->bitstream_buffers);
 
+#if FF_API_BUFS_VDPAU
+FF_DISABLE_DEPRECATION_WARNINGS
+    hwctx->bitstream_buffers = NULL;
+    hwctx->bitstream_buffers_used = 0;
+    hwctx->bitstream_buffers_allocated = 0;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     return res;
 }