avcodec/codec_internal: Make FFCodec.decode use AVFrame*

This increases type-safety by avoiding conversions from/through void*.
It also avoids the boilerplate "AVFrame *frame = data;" line
for non-subtitle decoders.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/libavcodec/rasc.c b/libavcodec/rasc.c
index 8a4e2b7600..6966ada2d0 100644
--- a/libavcodec/rasc.c
+++ b/libavcodec/rasc.c
@@ -671,14 +671,12 @@ static void draw_cursor(AVCodecContext *avctx)
     }
 }
 
-static int decode_frame(AVCodecContext *avctx,
-                        void *data, int *got_frame,
-                        AVPacket *avpkt)
+static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
+                        int *got_frame, AVPacket *avpkt)
 {
     RASCContext *s = avctx->priv_data;
     GetByteContext *gb = &s->gb;
     int ret, intra = 0;
-    AVFrame *frame = data;
 
     bytestream2_init(gb, avpkt->data, avpkt->size);