avcodec: rename avpriv_color_frame to ff_color_frame

It is only used inside libavcodec.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

libavcodec/h264_slice.c

@@ -617,7 +617,7 @@ static int h264_frame_start(H264Context *h)
        && !(h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU)
 #endif
        )
-        avpriv_color_frame(pic->f, c);
+        ff_color_frame(pic->f, c);
 
     h->cur_pic_ptr = pic;
     ff_h264_unref_picture(h, &h->cur_pic);

libavcodec/internal.h

@@ -178,7 +178,7 @@ unsigned int avpriv_toupper4(unsigned int x);
 int ff_init_buffer_info(AVCodecContext *s, AVFrame *frame);
 
 
-void avpriv_color_frame(AVFrame *frame, const int color[4]);
+void ff_color_frame(AVFrame *frame, const int color[4]);
 
 extern volatile int ff_avcodec_locked;
 int ff_lock_avcodec(AVCodecContext *log_ctx, const AVCodec *codec);

libavcodec/utils.c

@@ -687,7 +687,7 @@ fail:
     return AVERROR(ENOMEM);
 }
 
-void avpriv_color_frame(AVFrame *frame, const int c[4])
+void ff_color_frame(AVFrame *frame, const int c[4])
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
     int p, y, x;