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, 3 deletions

diff --git a/libavcodec/bitpacked_dec.c b/libavcodec/bitpacked_dec.c
index 3301a72752..3b8f2d8fd9 100644
--- a/libavcodec/bitpacked_dec.c
+++ b/libavcodec/bitpacked_dec.c
@@ -122,12 +122,11 @@ static av_cold int bitpacked_init_decoder(AVCodecContext *avctx)
     return 0;
 }
 
-static int bitpacked_decode(AVCodecContext *avctx, void *data, int *got_frame,
-                            AVPacket *avpkt)
+static int bitpacked_decode(AVCodecContext *avctx, AVFrame *frame,
+                            int *got_frame, AVPacket *avpkt)
 {
     struct BitpackedContext *bc = avctx->priv_data;
     int buf_size = avpkt->size;
-    AVFrame *frame = data;
     int res;
 
     res = bc->decode(avctx, frame, avpkt);