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, 3 insertions, 3 deletions

diff --git a/libavcodec/jvdec.c b/libavcodec/jvdec.c
index 5849f4d1fd..805ff9dda5 100644
--- a/libavcodec/jvdec.c
+++ b/libavcodec/jvdec.c
@@ -144,8 +144,8 @@ static inline void decode8x8(GetBitContext *gb, uint8_t *dst, int linesize,
     }
 }
 
-static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
-                        AVPacket *avpkt)
+static int decode_frame(AVCodecContext *avctx, AVFrame *rframe,
+                        int *got_frame, AVPacket *avpkt)
 {
     JvContext *s = avctx->priv_data;
     const uint8_t *buf = avpkt->data;
@@ -217,7 +217,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
         s->palette_has_changed        = 0;
         memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE);
 
-        if ((ret = av_frame_ref(data, s->frame)) < 0)
+        if ((ret = av_frame_ref(rframe, s->frame)) < 0)
             return ret;
         *got_frame = 1;
     }