From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 27 Jun 2014 17:13:34 +0000 (+0200)
Subject: Merge commit 'e63b818dbe6060b606ae10eb184859f8b97d2353'
X-Git-Tag: n2.3~340
X-Git-Url: http://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff_plain/3ac51145304f9996152a80f5a191ced7b857a252

Merge commit 'e63b818dbe6060b606ae10eb184859f8b97d2353'

* commit 'e63b818dbe6060b606ae10eb184859f8b97d2353':
  dv: Properly split decoder and encoder initialization

Conflicts:
	libavcodec/dv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
---

3ac51145304f9996152a80f5a191ced7b857a252
diff --cc libavcodec/dvdec.c
index d7aaa5f0f2,9a559dbd45..bf8b5b57e2
--- a/libavcodec/dvdec.c
+++ b/libavcodec/dvdec.c
@@@ -59,6 -58,25 +59,32 @@@ typedef struct BlockInfo 
  
  static const int dv_iweight_bits = 14;
  
+ static av_cold int dvvideo_decode_init(AVCodecContext *avctx)
+ {
+     DVVideoContext *s = avctx->priv_data;
+     DSPContext dsp;
+     int i;
+ 
++    memset(&dsp,0, sizeof(dsp));
+     ff_dsputil_init(&dsp, avctx);
+ 
+     for (i = 0; i < 64; i++)
+        s->dv_zigzag[0][i] = dsp.idct_permutation[ff_zigzag_direct[i]];
+ 
 -    memcpy(s->dv_zigzag[1], ff_dv_zigzag248_direct, sizeof(s->dv_zigzag[1]));
++    if (avctx->lowres){
++        for (i = 0; i < 64; i++){
++            int j = ff_dv_zigzag248_direct[i];
++            s->dv_zigzag[1][i] = dsp.idct_permutation[(j & 7) + (j & 8) * 4 + (j & 48) / 2];
++        }
++    }else
++        memcpy(s->dv_zigzag[1], ff_dv_zigzag248_direct, sizeof(s->dv_zigzag[1]));
+ 
+     s->idct_put[0] = dsp.idct_put;
+     s->idct_put[1] = ff_simple_idct248_put;
+ 
+     return ff_dvvideo_init(avctx);
+ }
+ 
  /* decode AC coefficients */
  static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, int16_t *block)
  {
@@@ -385,8 -400,7 +411,8 @@@ AVCodec ff_dvvideo_decoder = 
      .type           = AVMEDIA_TYPE_VIDEO,
      .id             = AV_CODEC_ID_DVVIDEO,
      .priv_data_size = sizeof(DVVideoContext),
-     .init           = ff_dvvideo_init,
+     .init           = dvvideo_decode_init,
      .decode         = dvvideo_decode_frame,
      .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_SLICE_THREADS,
 +    .max_lowres     = 3,
  };
diff --cc libavcodec/dvenc.c
index 4a1103860d,5b013adf51..d1e7707b02
--- a/libavcodec/dvenc.c
+++ b/libavcodec/dvenc.c
@@@ -62,6 -60,15 +64,16 @@@ static av_cold int dvvideo_encode_init(
  
      dv_vlc_map_tableinit();
  
++    memset(&dsp,0, sizeof(dsp));
+     ff_dsputil_init(&dsp, avctx);
+     ff_set_cmp(&dsp, dsp.ildct_cmp, avctx->ildct_cmp);
+ 
+     s->get_pixels = dsp.get_pixels;
+     s->ildct_cmp  = dsp.ildct_cmp[5];
+ 
+     s->fdct[0]    = dsp.fdct;
+     s->fdct[1]    = dsp.fdct248;
+ 
      return ff_dvvideo_init(avctx);
  }