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, 4 deletions

diff --git a/libavcodec/msp2dec.c b/libavcodec/msp2dec.c
index b0c772ce4f..99dcf7e9f9 100644
--- a/libavcodec/msp2dec.c
+++ b/libavcodec/msp2dec.c
@@ -29,13 +29,11 @@
 #include "codec_internal.h"
 #include "internal.h"
 
-static int msp2_decode_frame(AVCodecContext *avctx,
-                            void *data, int *got_frame,
-                            AVPacket *avpkt)
+static int msp2_decode_frame(AVCodecContext *avctx, AVFrame *p,
+                             int *got_frame, AVPacket *avpkt)
 {
     const uint8_t *buf = avpkt->data;
     int buf_size       = avpkt->size;
-    AVFrame *p         = data;
     int ret;
     unsigned int x, y, width = (avctx->width + 7) / 8;
     GetByteContext idx, gb;