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/g2meet.c b/libavcodec/g2meet.c
index 30432867e3..72368d9f4f 100644
--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -1372,13 +1372,12 @@ static void g2m_paint_cursor(G2MContext *c, uint8_t *dst, int stride)
     }
 }
 
-static int g2m_decode_frame(AVCodecContext *avctx, void *data,
+static int g2m_decode_frame(AVCodecContext *avctx, AVFrame *pic,
                             int *got_picture_ptr, AVPacket *avpkt)
 {
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     G2MContext *c = avctx->priv_data;
-    AVFrame *pic = data;
     GetByteContext bc, tbc;
     int magic;
     int got_header = 0;