fate: Add another SVQ3 test to increase coverage

tests/fate/qt.mak

@@ -49,5 +49,11 @@ fate-svq1: CMD = framecrc -i $(TARGET_SAMPLES)/svq1/marymary-shackles.mov -an -t
 FATE_SAMPLES_AVCONV-$(call DEMDEC, MOV, SVQ1) += fate-svq1-headerswap
 fate-svq1-headerswap: CMD = framecrc -i $(TARGET_SAMPLES)/svq1/ct_ending_cut.mov -frames 4
 
-FATE_SAMPLES_AVCONV-$(call ALLYES, MOV_DEMUXER SVQ3_DECODER ZLIB) += fate-svq3
-fate-svq3: CMD = framecrc -i $(TARGET_SAMPLES)/svq3/Vertical400kbit.sorenson3.mov -t 6 -an
+FATE_SVQ3 += fate-svq3-1
+fate-svq3-1: CMD = framecrc -i $(TARGET_SAMPLES)/svq3/Vertical400kbit.sorenson3.mov -t 6 -an
+
+FATE_SVQ3 += fate-svq3-2
+fate-svq3-2: CMD = framecrc -i $(TARGET_SAMPLES)/svq3/svq3_decoding_regression.mov -an
+
+FATE_SAMPLES_AVCONV-$(call ALLYES, MOV_DEMUXER SVQ3_DECODER ZLIB) += $(FATE_SVQ3)
+fate-svq3: $(FATE_SVQ3)

tests/ref/fate/svq3-2

@@ -0,0 +1,20 @@
+#tb 0: 1/19200
+0,     -20000,     -20000,        0,   185280, 0x061c0d85
+0,     -19200,     -19200,        0,   185280, 0x427ef9a7
+0,     -18400,     -18400,        0,   185280, 0x8f495d37
+0,     -17600,     -17600,        0,   185280, 0x5bfd0e5b
+0,     -16800,     -16800,        0,   185280, 0x60d12d25
+0,     -16000,     -16000,        0,   185280, 0x25aaa51b
+0,     -15200,     -15200,        0,   185280, 0x9cf58bf0
+0,     -14400,     -14400,        0,   185280, 0xd9bd03ea
+0,     -13600,     -13600,        0,   185280, 0xd18be732
+0,     -12800,     -12800,        0,   185280, 0x92763708
+0,     -12000,     -12000,        0,   185280, 0x94b5784a
+0,     -11200,     -11200,        0,   185280, 0x32b184c9
+0,     -10400,     -10400,        0,   185280, 0xe316fec3
+0,      -9600,      -9600,        0,   185280, 0x6344ec88
+0,      -8800,      -8800,        0,   185280, 0xe0aa6de4
+0,      -8000,      -8000,        0,   185280, 0x6cfc8687
+0,      -7200,      -7200,        0,   185280, 0x26ddc189
+0,      -6400,      -6400,        0,   185280, 0x5a0c1b38
+0,      -5600,      -5600,        0,   185280, 0x79a88cb9