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/ptx.c b/libavcodec/ptx.c
index 5f00f7fbee..b782bf1db3 100644
--- a/libavcodec/ptx.c
+++ b/libavcodec/ptx.c
@@ -26,11 +26,11 @@
 #include "codec_internal.h"
 #include "internal.h"
 
-static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
-                            AVPacket *avpkt) {
+static int ptx_decode_frame(AVCodecContext *avctx, AVFrame *p,
+                            int *got_frame, AVPacket *avpkt)
+{
     const uint8_t *buf = avpkt->data;
     const uint8_t *buf_end = avpkt->data + avpkt->size;
-    AVFrame * const p = data;
     unsigned int offset, w, h, y, stride, bytes_per_pixel;
     int ret;
     uint8_t *ptr;