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/rscc.c b/libavcodec/rscc.c
index bbbf14c6e6..3891cf24e4 100644
--- a/libavcodec/rscc.c
+++ b/libavcodec/rscc.c
@@ -148,13 +148,12 @@ static av_cold int rscc_close(AVCodecContext *avctx)
     return 0;
 }
 
-static int rscc_decode_frame(AVCodecContext *avctx, void *data,
-                                     int *got_frame, AVPacket *avpkt)
+static int rscc_decode_frame(AVCodecContext *avctx, AVFrame *frame,
+                             int *got_frame, AVPacket *avpkt)
 {
     RsccContext *ctx = avctx->priv_data;
     GetByteContext *gbc = &ctx->gbc;
     GetByteContext tiles_gbc;
-    AVFrame *frame = data;
     const uint8_t *pixels, *raw;
     uint8_t *inflated_tiles = NULL;
     int tiles_nb, packed_size, pixel_size = 0;