tests: add adpcm trellis tests

adpcm_ima_qt does not produce reproducible results, so it is temporarily
disabled (see #3701).

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

11 files changed, 262 insertions, 4 deletions

diff --git a/tests/fate/acodec.mak b/tests/fate/acodec.mak
index 0096d8ba4a..463b792405 100644
--- a/tests/fate/acodec.mak
+++ b/tests/fate/acodec.mak
@@ -64,6 +64,27 @@ fate-acodec-adpcm-ms:      FMT = wav
 fate-acodec-adpcm-swf:     FMT = flv
 fate-acodec-adpcm-yamaha:  FMT = wav
 
+FATE_ACODEC_ADPCM_TRELLIS-$(call ENCDEC, ADPCM_ADX,     ADX)  += adx
+#FATE_ACODEC_ADPCM_TRELLIS-$(call ENCDEC, ADPCM_IMA_QT,  AIFF) += ima_qt
+FATE_ACODEC_ADPCM_TRELLIS-$(call ENCDEC, ADPCM_IMA_WAV, WAV)  += ima_wav
+FATE_ACODEC_ADPCM_TRELLIS-$(call ENCDEC, ADPCM_MS,      WAV)  += ms
+FATE_ACODEC_ADPCM_TRELLIS-$(call ENCDEC, ADPCM_SWF,     FLV)  += swf
+FATE_ACODEC_ADPCM_TRELLIS-$(call ENCDEC, ADPCM_YAMAHA,  WAV)  += yamaha
+
+FATE_ACODEC_ADPCM_TRELLIS := $(FATE_ACODEC_ADPCM_TRELLIS-yes:%=fate-acodec-adpcm-%-trellis)
+FATE_ACODEC += $(FATE_ACODEC_ADPCM_TRELLIS)
+fate-acodec-adpcm-trellis: $(FATE_ACODEC_ADPCM_TRELLIS)
+
+fate-acodec-adpcm-%-trellis: CODEC = adpcm_$(@:fate-acodec-adpcm-%-trellis=%)
+fate-acodec-adpcm-%-trellis: ENCOPTS = -trellis 5
+
+fate-acodec-adpcm-adx-trellis:     FMT = adx
+#fate-acodec-adpcm-ima_qt-trellis:  FMT = aiff
+fate-acodec-adpcm-ima_wav-trellis: FMT = wav
+fate-acodec-adpcm-ms-trellis:      FMT = wav
+fate-acodec-adpcm-swf-trellis:     FMT = flv
+fate-acodec-adpcm-yamaha-trellis:  FMT = wav
+
 FATE_ACODEC-$(call ENCDEC, MP2, MP2 MP3) += fate-acodec-mp2
 fate-acodec-mp2: FMT = mp2
 fate-acodec-mp2: CMP_SHIFT = -1924
diff --git a/tests/fate/seek.mak b/tests/fate/seek.mak
index aa9f36d43d..215d263ff9 100644
--- a/tests/fate/seek.mak
+++ b/tests/fate/seek.mak
@@ -1,10 +1,14 @@
 # files from fate-acodec
 
 FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_IMA_QT,  AIFF)    += adpcm-ima_qt
-FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_IMA_WAV, WAV)     += adpcm-ima_wav
-FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_MS,      WAV)     += adpcm-ms
-FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_SWF,     FLV)     += adpcm-swf
-FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_YAMAHA,  WAV)     += adpcm-yamaha
+FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_IMA_WAV, WAV)     += adpcm-ima_wav \
+                                                           adpcm-ima_wav-trellis
+FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_MS,      WAV)     += adpcm-ms      \
+                                                           adpcm-ms-trellis
+FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_SWF,     FLV)     += adpcm-swf     \
+                                                           adpcm-swf-trellis
+FATE_SEEK_ACODEC-$(call ENCDEC, ADPCM_YAMAHA,  WAV)     += adpcm-yamaha  \
+                                                           adpcm-yamaha-trellis
 FATE_SEEK_ACODEC-$(call ENCDEC, ALAC,          MOV)     += alac
 FATE_SEEK_ACODEC-$(call ENCDEC, FLAC,          FLAC)    += flac
 FATE_SEEK_ACODEC-$(call ENCDEC, MP2,           MP2 MP3) += mp2
@@ -28,6 +32,11 @@ fate-seek-acodec-adpcm-ima_wav: SRC = fate/acodec-adpcm-ima_wav.wav
 fate-seek-acodec-adpcm-ms:      SRC = fate/acodec-adpcm-ms.wav
 fate-seek-acodec-adpcm-swf:     SRC = fate/acodec-adpcm-swf.flv
 fate-seek-acodec-adpcm-yamaha:  SRC = fate/acodec-adpcm-yamaha.wav
+#fate-seek-acodec-adpcm-ima_qt-trellis:  SRC = fate/acodec-adpcm-ima_qt-trellis.aiff
+fate-seek-acodec-adpcm-ima_wav-trellis: SRC = fate/acodec-adpcm-ima_wav-trellis.wav
+fate-seek-acodec-adpcm-ms-trellis:      SRC = fate/acodec-adpcm-ms-trellis.wav
+fate-seek-acodec-adpcm-swf-trellis:     SRC = fate/acodec-adpcm-swf-trellis.flv
+fate-seek-acodec-adpcm-yamaha-trellis:  SRC = fate/acodec-adpcm-yamaha-trellis.wav
 fate-seek-acodec-alac:          SRC = fate/acodec-alac.mov
 fate-seek-acodec-flac:          SRC = fate/acodec-flac.flac
 fate-seek-acodec-mp2:           SRC = fate/acodec-mp2.mp2
diff --git a/tests/ref/acodec/adpcm-adx-trellis b/tests/ref/acodec/adpcm-adx-trellis
new file mode 100644
index 0000000000..fff0291228
--- /dev/null
+++ b/tests/ref/acodec/adpcm-adx-trellis
@@ -0,0 +1,4 @@
+0a30509d9296b857e134b762b76dbc31 *tests/data/fate/acodec-adpcm-adx-trellis.adx
+297720 tests/data/fate/acodec-adpcm-adx-trellis.adx
+7260139001fcac62384dad50a1023e75 *tests/data/fate/acodec-adpcm-adx-trellis.out.wav
+stddev: 6989.46 PSNR: 19.44 MAXDIFF:65398 bytes:  1058400/  1058432
diff --git a/tests/ref/acodec/adpcm-ima_wav-trellis b/tests/ref/acodec/adpcm-ima_wav-trellis
new file mode 100644
index 0000000000..10d78c74f2
--- /dev/null
+++ b/tests/ref/acodec/adpcm-ima_wav-trellis
@@ -0,0 +1,4 @@
+f9075c7a3adb2cd114b0bac69afcada6 *tests/data/fate/acodec-adpcm-ima_wav-trellis.wav
+267324 tests/data/fate/acodec-adpcm-ima_wav-trellis.wav
+26a9b280c14737b159c56e60181f1170 *tests/data/fate/acodec-adpcm-ima_wav-trellis.out.wav
+stddev:  710.03 PSNR: 39.30 MAXDIFF:25944 bytes:  1058400/  1061748
diff --git a/tests/ref/acodec/adpcm-ms-trellis b/tests/ref/acodec/adpcm-ms-trellis
new file mode 100644
index 0000000000..8587e703c6
--- /dev/null
+++ b/tests/ref/acodec/adpcm-ms-trellis
@@ -0,0 +1,4 @@
+7ed05f7a88046aa4cd547ddf71953637 *tests/data/fate/acodec-adpcm-ms-trellis.wav
+268378 tests/data/fate/acodec-adpcm-ms-trellis.wav
+ed9d9cdfd264f2ec6c79127c04dd224e *tests/data/fate/acodec-adpcm-ms-trellis.out.wav
+stddev:  896.03 PSNR: 37.28 MAXDIFF:28029 bytes:  1058400/  1060576
diff --git a/tests/ref/acodec/adpcm-swf-trellis b/tests/ref/acodec/adpcm-swf-trellis
new file mode 100644
index 0000000000..a2bb565e1c
--- /dev/null
+++ b/tests/ref/acodec/adpcm-swf-trellis
@@ -0,0 +1,4 @@
+ec8859b3206ea0c45701fbdcf60dbe48 *tests/data/fate/acodec-adpcm-swf-trellis.flv
+269166 tests/data/fate/acodec-adpcm-swf-trellis.flv
+29820ce5b95b3b0a2feafa808cc264a7 *tests/data/fate/acodec-adpcm-swf-trellis.out.wav
+stddev:  747.92 PSNR: 38.85 MAXDIFF:51119 bytes:  1058400/  1064960
diff --git a/tests/ref/acodec/adpcm-yamaha-trellis b/tests/ref/acodec/adpcm-yamaha-trellis
new file mode 100644
index 0000000000..a099ec54c5
--- /dev/null
+++ b/tests/ref/acodec/adpcm-yamaha-trellis
@@ -0,0 +1,4 @@
+247a06c3f26c57abd2db1a793174cb66 *tests/data/fate/acodec-adpcm-yamaha-trellis.wav
+265274 tests/data/fate/acodec-adpcm-yamaha-trellis.wav
+a42b5fa74b39a07691b0df80ce67f77e *tests/data/fate/acodec-adpcm-yamaha-trellis.out.wav
+stddev:  928.29 PSNR: 36.98 MAXDIFF:33557 bytes:  1058400/  1060864
diff --git a/tests/ref/seek/acodec-adpcm-ima_wav-trellis b/tests/ref/seek/acodec-adpcm-ima_wav-trellis
new file mode 100644
index 0000000000..b6517c5438
--- /dev/null
+++ b/tests/ref/seek/acodec-adpcm-ima_wav-trellis
@@ -0,0 +1,53 @@
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st:-1 flags:0  ts:-1.000000
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st:-1 flags:1  ts: 1.894167
+ret: 0         st: 0 flags:1 dts: 1.856009 pts: 1.856009 pos:  29756 size:  4096
+ret: 0         st: 0 flags:0  ts: 0.788345
+ret: 0         st: 0 flags:1 dts: 0.831995 pts: 0.831995 pos:  13372 size:  4096
+ret: 0         st: 0 flags:1  ts:-0.317506
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st:-1 flags:0  ts: 2.576668
+ret: 0         st: 0 flags:1 dts: 2.623991 pts: 2.623991 pos:  42044 size:  4096
+ret: 0         st:-1 flags:1  ts: 1.470835
+ret: 0         st: 0 flags:1 dts: 1.408005 pts: 1.408005 pos:  22588 size:  4096
+ret: 0         st: 0 flags:0  ts: 0.365011
+ret: 0         st: 0 flags:1 dts: 0.383991 pts: 0.383991 pos:   6204 size:  4096
+ret: 0         st: 0 flags:1  ts:-0.740839
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st:-1 flags:0  ts: 2.153336
+ret: 0         st: 0 flags:1 dts: 2.176009 pts: 2.176009 pos:  34876 size:  4096
+ret: 0         st:-1 flags:1  ts: 1.047503
+ret: 0         st: 0 flags:1 dts: 1.023991 pts: 1.023991 pos:  16444 size:  4096
+ret: 0         st: 0 flags:0  ts:-0.058322
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st: 0 flags:1  ts: 2.835828
+ret: 0         st: 0 flags:1 dts: 2.816009 pts: 2.816009 pos:  45116 size:  4096
+ret: 0         st:-1 flags:0  ts: 1.730004
+ret: 0         st: 0 flags:1 dts: 1.791995 pts: 1.791995 pos:  28732 size:  4096
+ret: 0         st:-1 flags:1  ts: 0.624171
+ret: 0         st: 0 flags:1 dts: 0.576009 pts: 0.576009 pos:   9276 size:  4096
+ret: 0         st: 0 flags:0  ts:-0.481655
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st: 0 flags:1  ts: 2.412494
+ret: 0         st: 0 flags:1 dts: 2.368005 pts: 2.368005 pos:  37948 size:  4096
+ret: 0         st:-1 flags:0  ts: 1.306672
+ret: 0         st: 0 flags:1 dts: 1.343991 pts: 1.343991 pos:  21564 size:  4096
+ret: 0         st:-1 flags:1  ts: 0.200839
+ret: 0         st: 0 flags:1 dts: 0.191995 pts: 0.191995 pos:   3132 size:  4096
+ret: 0         st: 0 flags:0  ts:-0.904989
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st: 0 flags:1  ts: 1.989184
+ret: 0         st: 0 flags:1 dts: 1.983991 pts: 1.983991 pos:  31804 size:  4096
+ret: 0         st:-1 flags:0  ts: 0.883340
+ret: 0         st: 0 flags:1 dts: 0.896009 pts: 0.896009 pos:  14396 size:  4096
+ret: 0         st:-1 flags:1  ts:-0.222493
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
+ret: 0         st: 0 flags:0  ts: 2.671678
+ret: 0         st: 0 flags:1 dts: 2.688005 pts: 2.688005 pos:  43068 size:  4096
+ret: 0         st: 0 flags:1  ts: 1.565850
+ret: 0         st: 0 flags:1 dts: 1.536009 pts: 1.536009 pos:  24636 size:  4096
+ret: 0         st:-1 flags:0  ts: 0.460008
+ret: 0         st: 0 flags:1 dts: 0.511995 pts: 0.511995 pos:   8252 size:  4096
+ret: 0         st:-1 flags:1  ts:-0.645825
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     60 size:  4096
diff --git a/tests/ref/seek/acodec-adpcm-ms-trellis b/tests/ref/seek/acodec-adpcm-ms-trellis
new file mode 100644
index 0000000000..579be7f416
--- /dev/null
+++ b/tests/ref/seek/acodec-adpcm-ms-trellis
@@ -0,0 +1,53 @@
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st:-1 flags:0  ts:-1.000000
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st:-1 flags:1  ts: 1.894167
+ret: 0         st: 0 flags:1 dts: 1.856009 pts: 1.856009 pos:  29786 size:  4096
+ret: 0         st: 0 flags:0  ts: 0.788345
+ret: 0         st: 0 flags:1 dts: 0.831995 pts: 0.831995 pos:  13402 size:  4096
+ret: 0         st: 0 flags:1  ts:-0.317506
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st:-1 flags:0  ts: 2.576668
+ret: 0         st: 0 flags:1 dts: 2.623991 pts: 2.623991 pos:  42074 size:  4096
+ret: 0         st:-1 flags:1  ts: 1.470835
+ret: 0         st: 0 flags:1 dts: 1.408005 pts: 1.408005 pos:  22618 size:  4096
+ret: 0         st: 0 flags:0  ts: 0.365011
+ret: 0         st: 0 flags:1 dts: 0.383991 pts: 0.383991 pos:   6234 size:  4096
+ret: 0         st: 0 flags:1  ts:-0.740839
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st:-1 flags:0  ts: 2.153336
+ret: 0         st: 0 flags:1 dts: 2.176009 pts: 2.176009 pos:  34906 size:  4096
+ret: 0         st:-1 flags:1  ts: 1.047503
+ret: 0         st: 0 flags:1 dts: 1.023991 pts: 1.023991 pos:  16474 size:  4096
+ret: 0         st: 0 flags:0  ts:-0.058322
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st: 0 flags:1  ts: 2.835828
+ret: 0         st: 0 flags:1 dts: 2.816009 pts: 2.816009 pos:  45146 size:  4096
+ret: 0         st:-1 flags:0  ts: 1.730004
+ret: 0         st: 0 flags:1 dts: 1.791995 pts: 1.791995 pos:  28762 size:  4096
+ret: 0         st:-1 flags:1  ts: 0.624171
+ret: 0         st: 0 flags:1 dts: 0.576009 pts: 0.576009 pos:   9306 size:  4096
+ret: 0         st: 0 flags:0  ts:-0.481655
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st: 0 flags:1  ts: 2.412494
+ret: 0         st: 0 flags:1 dts: 2.368005 pts: 2.368005 pos:  37978 size:  4096
+ret: 0         st:-1 flags:0  ts: 1.306672
+ret: 0         st: 0 flags:1 dts: 1.343991 pts: 1.343991 pos:  21594 size:  4096
+ret: 0         st:-1 flags:1  ts: 0.200839
+ret: 0         st: 0 flags:1 dts: 0.191995 pts: 0.191995 pos:   3162 size:  4096
+ret: 0         st: 0 flags:0  ts:-0.904989
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st: 0 flags:1  ts: 1.989184
+ret: 0         st: 0 flags:1 dts: 1.983991 pts: 1.983991 pos:  31834 size:  4096
+ret: 0         st:-1 flags:0  ts: 0.883340
+ret: 0         st: 0 flags:1 dts: 0.896009 pts: 0.896009 pos:  14426 size:  4096
+ret: 0         st:-1 flags:1  ts:-0.222493
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
+ret: 0         st: 0 flags:0  ts: 2.671678
+ret: 0         st: 0 flags:1 dts: 2.688005 pts: 2.688005 pos:  43098 size:  4096
+ret: 0         st: 0 flags:1  ts: 1.565850
+ret: 0         st: 0 flags:1 dts: 1.536009 pts: 1.536009 pos:  24666 size:  4096
+ret: 0         st:-1 flags:0  ts: 0.460008
+ret: 0         st: 0 flags:1 dts: 0.511995 pts: 0.511995 pos:   8282 size:  4096
+ret: 0         st:-1 flags:1  ts:-0.645825
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     90 size:  4096
diff --git a/tests/ref/seek/acodec-adpcm-swf-trellis b/tests/ref/seek/acodec-adpcm-swf-trellis
new file mode 100644
index 0000000000..2f9091325a
--- /dev/null
+++ b/tests/ref/seek/acodec-adpcm-swf-trellis
@@ -0,0 +1,49 @@
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    208 size:  2053
+ret: 0         st:-1 flags:0  ts:-1.000000
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    208 size:  2053
+ret: 0         st:-1 flags:1  ts: 1.894167
+ret: 0         st: 0 flags:1 dts: 1.858000 pts: 1.858000 pos:  82968 size:  2053
+ret: 0         st: 0 flags:0  ts: 0.788000
+ret: 0         st: 0 flags:1 dts: 0.789000 pts: 0.789000 pos:  35381 size:  2053
+ret:-1         st: 0 flags:1  ts:-0.317000
+ret: 0         st:-1 flags:0  ts: 2.576668
+ret: 0         st: 0 flags:1 dts: 2.601000 pts: 2.601000 pos: 116072 size:  2053
+ret: 0         st:-1 flags:1  ts: 1.470835
+ret: 0         st: 0 flags:1 dts: 1.440000 pts: 1.440000 pos:  64347 size:  2053
+ret: 0         st: 0 flags:0  ts: 0.365000
+ret: 0         st: 0 flags:1 dts: 0.372000 pts: 0.372000 pos:  16760 size:  2053
+ret:-1         st: 0 flags:1  ts:-0.741000
+ret: 0         st:-1 flags:0  ts: 2.153336
+ret: 0         st: 0 flags:1 dts: 2.183000 pts: 2.183000 pos:  97451 size:  2053
+ret: 0         st:-1 flags:1  ts: 1.047503
+ret: 0         st: 0 flags:1 dts: 1.022000 pts: 1.022000 pos:  45726 size:  2053
+ret: 0         st: 0 flags:0  ts:-0.058000
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    208 size:  2053
+ret: 0         st: 0 flags:1  ts: 2.836000
+ret: 0         st: 0 flags:1 dts: 2.833000 pts: 2.833000 pos: 126417 size:  2053
+ret: 0         st:-1 flags:0  ts: 1.730004
+ret: 0         st: 0 flags:1 dts: 1.765000 pts: 1.765000 pos:  78830 size:  2053
+ret: 0         st:-1 flags:1  ts: 0.624171
+ret: 0         st: 0 flags:1 dts: 0.604000 pts: 0.604000 pos:  27105 size:  2053
+ret: 0         st: 0 flags:0  ts:-0.482000
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    208 size:  2053
+ret: 0         st: 0 flags:1  ts: 2.413000
+ret: 0         st: 0 flags:1 dts: 2.368000 pts: 2.368000 pos: 105727 size:  2053
+ret: 0         st:-1 flags:0  ts: 1.306672
+ret: 0         st: 0 flags:1 dts: 1.347000 pts: 1.347000 pos:  60209 size:  2053
+ret: 0         st:-1 flags:1  ts: 0.200839
+ret: 0         st: 0 flags:1 dts: 0.186000 pts: 0.186000 pos:   8484 size:  2053
+ret: 0         st: 0 flags:0  ts:-0.905000
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    208 size:  2053
+ret: 0         st: 0 flags:1  ts: 1.989000
+ret: 0         st: 0 flags:1 dts: 1.950000 pts: 1.950000 pos:  87106 size:  2053
+ret: 0         st:-1 flags:0  ts: 0.883340
+ret: 0         st: 0 flags:1 dts: 0.929000 pts: 0.929000 pos:  41588 size:  2053
+ret:-1         st:-1 flags:1  ts:-0.222493
+ret: 0         st: 0 flags:0  ts: 2.672000
+ret: 0         st: 0 flags:1 dts: 2.694000 pts: 2.694000 pos: 120210 size:  2053
+ret: 0         st: 0 flags:1  ts: 1.566000
+ret: 0         st: 0 flags:1 dts: 1.533000 pts: 1.533000 pos:  68485 size:  2053
+ret: 0         st:-1 flags:0  ts: 0.460008
+ret: 0         st: 0 flags:1 dts: 0.464000 pts: 0.464000 pos:  20898 size:  2053
+ret:-1         st:-1 flags:1  ts:-0.645825
diff --git a/tests/ref/seek/acodec-adpcm-yamaha-trellis b/tests/ref/seek/acodec-adpcm-yamaha-trellis
new file mode 100644
index 0000000000..5cbfaed73e
--- /dev/null
+++ b/tests/ref/seek/acodec-adpcm-yamaha-trellis
@@ -0,0 +1,53 @@
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st:-1 flags:0  ts:-1.000000
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st:-1 flags:1  ts: 1.894167
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