ffv1: Drop bogus dependency on dsputil

ffv1 does not use any part of the dsputil framework.

configure

@@ -1689,8 +1689,8 @@ eac3_encoder_select="ac3_encoder"
 eamad_decoder_select="aandcttables dsputil mpegvideo"
 eatgq_decoder_select="aandcttables dsputil"
 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
-ffv1_decoder_select="dsputil golomb rangecoder"
-ffv1_encoder_select="dsputil rangecoder"
+ffv1_decoder_select="golomb rangecoder"
+ffv1_encoder_select="rangecoder"
 ffvhuff_decoder_select="huffyuv_decoder"
 ffvhuff_encoder_select="huffyuv_encoder"
 fic_decoder_select="dsputil golomb"

libavcodec/ffv1.c

@@ -141,8 +141,6 @@ av_cold int ffv1_common_init(AVCodecContext *avctx)
     if (!avctx->width || !avctx->height)
         return AVERROR_INVALIDDATA;
 
-    ff_dsputil_init(&s->dsp, avctx);
-
     s->width  = avctx->width;
     s->height = avctx->height;
 

libavcodec/ffv1.h

@@ -26,7 +26,6 @@
 #include <stdint.h>
 
 #include "avcodec.h"
-#include "dsputil.h"
 #include "get_bits.h"
 #include "put_bits.h"
 #include "rangecoder.h"
@@ -106,8 +105,6 @@ typedef struct FFV1Context {
     int gob_count;
     int quant_table_count;
 
-    DSPContext dsp;
-
     struct FFV1Context *slice_context[MAX_SLICES];
     int slice_count;
     int num_v_slices;