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/pixlet.c b/libavcodec/pixlet.c
index 9b61a8b1cd..12857919fe 100644
--- a/libavcodec/pixlet.c
+++ b/libavcodec/pixlet.c
@@ -601,12 +601,11 @@ static int decode_plane(AVCodecContext *avctx, int plane,
     return 0;
 }
 
-static int pixlet_decode_frame(AVCodecContext *avctx, void *data,
+static int pixlet_decode_frame(AVCodecContext *avctx, AVFrame *p,
                                int *got_frame, AVPacket *avpkt)
 {
     PixletContext *ctx = avctx->priv_data;
     int i, w, h, width, height, ret, version;
-    AVFrame *p = data;
     uint32_t pktsize, depth;
 
     bytestream2_init(&ctx->gb, avpkt->data, avpkt->size);