avcodec/vp56: Avoid functions with only one caller

Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/vp5.c

@@ -282,7 +282,7 @@ static av_cold int vp5_decode_init(AVCodecContext *avctx)
     VP56Context *s = avctx->priv_data;
     int ret;
 
-    if ((ret = ff_vp56_init(avctx, 1, 0)) < 0)
+    if ((ret = ff_vp56_init_context(avctx, s, 1, 0)) < 0)
         return ret;
     ff_vp5dsp_init(&s->vp56dsp);
     s->vp56_coord_div = vp5_coord_div;
@@ -296,6 +296,12 @@ static av_cold int vp5_decode_init(AVCodecContext *avctx)
     return 0;
 }
 
+static av_cold int vp56_free(AVCodecContext *avctx)
+{
+    VP56Context *const s = avctx->priv_data;
+    return ff_vp56_free_context(s);
+}
+
 const AVCodec ff_vp5_decoder = {
     .name           = "vp5",
     .long_name      = NULL_IF_CONFIG_SMALL("On2 VP5"),
@@ -303,7 +309,7 @@ const AVCodec ff_vp5_decoder = {
     .id             = AV_CODEC_ID_VP5,
     .priv_data_size = sizeof(VP56Context),
     .init           = vp5_decode_init,
-    .close          = ff_vp56_free,
+    .close          = vp56_free,
     .decode         = ff_vp56_decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,

libavcodec/vp56.c

@@ -773,12 +773,6 @@ next:
     return 0;
 }
 
-av_cold int ff_vp56_init(AVCodecContext *avctx, int flip, int has_alpha)
-{
-    VP56Context *s = avctx->priv_data;
-    return ff_vp56_init_context(avctx, s, flip, has_alpha);
-}
-
 av_cold int ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
                                   int flip, int has_alpha)
 {
@@ -830,12 +824,6 @@ av_cold int ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
     return 0;
 }
 
-av_cold int ff_vp56_free(AVCodecContext *avctx)
-{
-    VP56Context *s = avctx->priv_data;
-    return ff_vp56_free_context(s);
-}
-
 av_cold int ff_vp56_free_context(VP56Context *s)
 {
     int i;

libavcodec/vp56.h

@@ -216,14 +216,12 @@ struct vp56_context {
 };
 
 
-int ff_vp56_init(AVCodecContext *avctx, int flip, int has_alpha);
 /**
  * Initializes an VP56Context. Expects its caller to clean up
  * in case of error.
  */
 int ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
                           int flip, int has_alpha);
-int ff_vp56_free(AVCodecContext *avctx);
 int ff_vp56_free_context(VP56Context *s);
 void ff_vp56_init_dequant(VP56Context *s, int quantizer);
 int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,