[PATCH 2/6] gui: Use new lavc decode API for PNG decode.

---
 gui/util/bitmap.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/gui/util/bitmap.c b/gui/util/bitmap.c
index fa0522fcb..ff7cbf4c1 100644
--- a/gui/util/bitmap.c
+++ b/gui/util/bitmap.c
@@ -124,8 +124,6 @@ static int pngRead(const char *fname, guiImage *img, int *pix_fmt)
         return 6;
     }

-    avcodec_register_all();
-
     if (avcodec_open2(avctx, avcodec_find_decoder(AV_CODEC_ID_PNG), NULL) < 0) {
         av_free(frame);
         av_free(avctx);
@@ -139,7 +137,8 @@ static int pngRead(const char *fname, guiImage *img, int *pix_fmt)
     /* HACK: Make PNGs decode normally instead of as CorePNG delta frames. */
     pkt.flags = AV_PKT_FLAG_KEY;

-    avcodec_decode_video2(avctx, frame, &decode_ok, &pkt);
+    avcodec_send_packet(avctx, &pkt);
+    decode_ok = avcodec_receive_frame(avctx, frame);

     memset(img, 0, sizeof(*img));
     memset(palette, 0, sizeof(palette));
@@ -165,7 +164,7 @@ static int pngRead(const char *fname, guiImage *img, int *pix_fmt)
         break;
     }

-    if (decode_ok && img->Bpp) {
+    if (decode_ok >= 0 && img->Bpp) {
         img->Width  = avctx->width;
         img->Height = avctx->height;
         bpl = img->Width * (img->Bpp / 8);
@@ -183,7 +182,7 @@ static int pngRead(const char *fname, guiImage *img, int *pix_fmt)
             if (frame->data[1])
                 memcpy(palette, frame->data[1], sizeof(palette));
         } else
-            decode_ok = False;
+            decode_ok = -1;
     }

     avcodec_close(avctx);
@@ -191,7 +190,7 @@ static int pngRead(const char *fname, guiImage *img, int *pix_fmt)
     av_free(avctx);
     av_free(data);

-    return !(decode_ok && img->Bpp);
+    return !(decode_ok >= 0 && img->Bpp);
 }

 /**
--
2.29.2

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