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/g723_1dec.c b/libavcodec/g723_1dec.c
index 71f758b55b..b025cb2b8e 100644
--- a/libavcodec/g723_1dec.c
+++ b/libavcodec/g723_1dec.c
@@ -925,11 +925,10 @@ static void generate_noise(G723_1_ChannelContext *p)
            PITCH_MAX * sizeof(*p->excitation));
 }
 
-static int g723_1_decode_frame(AVCodecContext *avctx, void *data,
+static int g723_1_decode_frame(AVCodecContext *avctx, AVFrame *frame,
                                int *got_frame_ptr, AVPacket *avpkt)
 {
     G723_1_Context *s  = avctx->priv_data;
-    AVFrame *frame     = data;
     const uint8_t *buf = avpkt->data;
     int buf_size       = avpkt->size;
     int dec_mode       = buf[0] & 3;