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, 1 insertions, 2 deletions

diff --git a/libavcodec/avrndec.c b/libavcodec/avrndec.c
index dd00a6fd39..8f716a129e 100644
--- a/libavcodec/avrndec.c
+++ b/libavcodec/avrndec.c
@@ -50,11 +50,10 @@ static av_cold int init(AVCodecContext *avctx)
     return 0;
 }
 
-static int decode_frame(AVCodecContext *avctx, void *data,
+static int decode_frame(AVCodecContext *avctx, AVFrame *p,
                         int *got_frame, AVPacket *avpkt)
 {
     AVRnContext *a = avctx->priv_data;
-    AVFrame *p = data;
     const uint8_t *buf = avpkt->data;
     int buf_size       = avpkt->size;
     int y, ret, true_height;