(non)interlaced huffyuv patch by (Loren Merritt <lorenm at u dot washington dot edu>)

Originally committed as revision 3473 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/huffyuv.c

@@ -409,7 +409,10 @@ s->bgr32=1;
             return -1;
     }
     
-    s->interlaced= height > 288;
+    if(((uint8_t*)avctx->extradata)[2] & 0x20)
+	s->interlaced= ((uint8_t*)avctx->extradata)[2] & 0x10 ? 1 : 0;
+    else
+	s->interlaced= height > 288;
     
     switch(s->bitstream_bpp){
     case 12:
@@ -497,10 +500,11 @@ static int encode_init(AVCodecContext *avctx)
     avctx->bits_per_sample= s->bitstream_bpp;
     s->decorrelate= s->bitstream_bpp >= 24;
     s->predictor= avctx->prediction_method;
+    s->interlaced= avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
     
     ((uint8_t*)avctx->extradata)[0]= s->predictor;
     ((uint8_t*)avctx->extradata)[1]= s->bitstream_bpp;
-    ((uint8_t*)avctx->extradata)[2]=
+    ((uint8_t*)avctx->extradata)[2]= 0x20 | (s->interlaced ? 0x10 : 0);
     ((uint8_t*)avctx->extradata)[3]= 0;
     s->avctx->extradata_size= 4;
     
@@ -546,8 +550,6 @@ static int encode_init(AVCodecContext *avctx)
         for(j=0; j<256; j++)
             s->stats[i][j]= 0;
     
-    s->interlaced= height > 288;
-
 //    printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_sample, s->interlaced);
 
     s->picture_number=0;

tests/ffmpeg.regression.ref

@@ -47,7 +47,7 @@ stddev:  2.07 PSNR:41.76 bytes:7602176
 554440 ./data/a-odivx.mp4
 e400c9175dd1811cdeee7be5555d33f1 *./data/out.yuv
 stddev:  7.99 PSNR:30.06 bytes:7602176
-5704a082cc5c5970620123ae20566286 *./data/a-huffyuv.avi
+08fd4be8dfff31783f83bfc59f8a6cdd *./data/a-huffyuv.avi
 5986168 ./data/a-huffyuv.avi
 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv
 stddev:  0.00 PSNR:99.99 bytes:7602176

tests/rotozoom.regression.ref

@@ -47,7 +47,7 @@ e47f46468b79641e13bb9609be2db5ca *./data/a-odivx.mp4
 120196 ./data/a-odivx.mp4
 8b7657a7f9fc7298cc016abb466d1d19 *./data/out.yuv
 stddev:  5.34 PSNR:33.56 bytes:7602176
-242a7a18c2793e115007bc163861ef4e *./data/a-huffyuv.avi
+40ddd4437246784a9a7ffa582f99b8d9 *./data/a-huffyuv.avi
 4987020 ./data/a-huffyuv.avi
 dde5895817ad9d219f79a52d0bdfb001 *./data/out.yuv
 stddev:  0.00 PSNR:99.99 bytes:7602176