targaenc: use the AVFrame API properly.

libavcodec/targaenc.c

@@ -29,10 +29,6 @@
 #include "rle.h"
 #include "targa.h"
 
-typedef struct TargaContext {
-    AVFrame picture;
-} TargaContext;
-
 /**
  * RLE compress the image, with maximum size of out_size
  * @param outbuf Output buffer
@@ -154,23 +150,29 @@ static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 
 static av_cold int targa_encode_init(AVCodecContext *avctx)
 {
-    TargaContext *s = avctx->priv_data;
+    avctx->coded_frame = av_frame_alloc();
+    if (!avctx->coded_frame)
+        return AVERROR(ENOMEM);
 
-    avcodec_get_frame_defaults(&s->picture);
-    s->picture.key_frame= 1;
-    s->picture.pict_type = AV_PICTURE_TYPE_I;
-    avctx->coded_frame= &s->picture;
+    avctx->coded_frame->key_frame = 1;
+    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
 
     return 0;
 }
 
+static av_cold int targa_encode_close(AVCodecContext *avctx)
+{
+    av_frame_free(&avctx->coded_frame);
+    return 0;
+}
+
 AVCodec ff_targa_encoder = {
     .name           = "targa",
     .long_name      = NULL_IF_CONFIG_SMALL("Truevision Targa image"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_TARGA,
-    .priv_data_size = sizeof(TargaContext),
     .init           = targa_encode_init,
+    .close          = targa_encode_close,
     .encode2        = targa_encode_frame,
     .pix_fmts       = (const enum AVPixelFormat[]){
         AV_PIX_FMT_BGR24, AV_PIX_FMT_BGRA, AV_PIX_FMT_RGB555LE, AV_PIX_FMT_GRAY8,