avcodec/v408enc: remove coded_frame usage

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/v408enc.c

@@ -41,9 +41,6 @@ static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         return ret;
     dst = pkt->data;
 
-    avctx->coded_frame->key_frame = 1;
-    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
-
     y = pic->data[0];
     u = pic->data[1];
     v = pic->data[2];
@@ -89,6 +86,7 @@ AVCodec ff_ayuv_encoder = {
     .encode2      = v408_encode_frame,
     .close        = v408_encode_close,
     .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE },
+    .capabilities = AV_CODEC_CAP_INTRA_ONLY,
 };
 #endif
 #if CONFIG_V408_ENCODER
@@ -101,5 +99,6 @@ AVCodec ff_v408_encoder = {
     .encode2      = v408_encode_frame,
     .close        = v408_encode_close,
     .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE },
+    .capabilities = AV_CODEC_CAP_INTRA_ONLY,
 };
 #endif