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/cfhd.c b/libavcodec/cfhd.c
index 97cfdebba2..ab074043c1 100644
--- a/libavcodec/cfhd.c
+++ b/libavcodec/cfhd.c
@@ -373,13 +373,12 @@ static int alloc_buffers(AVCodecContext *avctx)
     return 0;
 }
 
-static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
-                       AVPacket *avpkt)
+static int cfhd_decode(AVCodecContext *avctx, AVFrame *pic,
+                       int *got_frame, AVPacket *avpkt)
 {
     CFHDContext *s = avctx->priv_data;
     CFHDDSPContext *dsp = &s->dsp;
     GetByteContext gb;
-    AVFrame *const pic = data;
     int ret = 0, i, j, plane, got_buffer = 0;
     int16_t *coeff_data;