FATE: replace current g722 encoding tests with an encode/decode test

Avoids resampling and channel mixing. This only tests the behavior
with respect to input and output audio rather than also testing changes
to the encoder or muxer that do not affect the resulting decoded output.

tests/Makefile

@@ -16,9 +16,6 @@ tests/vsynth2/00.pgm: tests/rotozoom$(HOSTEXESUF) | tests/vsynth2
 tests/data/asynth1.sw: tests/audiogen$(HOSTEXESUF) | tests/data
 	$(M)./$< $@
 
-tests/data/asynth-16000-1.sw: tests/audiogen$(HOSTEXESUF) | tests/data
-	$(M)./$< $@ 16000 1
-
 tests/data/asynth-%.wav: tests/audiogen$(HOSTEXESUF) | tests/data
 	$(M)./$< $@ $(subst -, ,$*)
 

tests/codec-regression.sh

@@ -311,11 +311,6 @@ do_audio_encoding ac3.ac3 "-vn -acodec ac3_fixed"
 #$tiny_psnr $pcm_dst $pcm_ref 2 1024
 fi
 
-if [ -n "$do_g722" ] ; then
-do_audio_encoding g722.wav "-b 64k -ac 1 -ar 16000 -acodec g722"
-do_audio_decoding
-fi
-
 if [ -n "$do_g726" ] ; then
 do_audio_encoding g726.wav "-b 32k -ac 1 -ar 8000 -acodec g726"
 do_audio_decoding

tests/fate/voice.mak

-FATE_TESTS += fate-g722dec-1
+FATE_G722 += fate-g722dec-1
 fate-g722dec-1: CMD = framecrc -i $(SAMPLES)/g722/conf-adminmenu-162.g722
 
-FATE_TESTS += fate-g722enc
-fate-g722enc: tests/data/asynth-16000-1.sw
-fate-g722enc: CMD = md5 -ar 16000 -ac 1 -f s16le -i $(TARGET_PATH)/tests/data/asynth-16000-1.sw -acodec g722 -ac 1 -f g722
+FATE_G722 += fate-g722-encode
+fate-g722-encode: tests/data/asynth-16000-1.wav
+fate-g722-encode: SRC = tests/data/asynth-16000-1.wav
+fate-g722-encode: CMD = enc_dec_pcm wav md5 s16le $(SRC) -c:a g722
+
+FATE_TESTS += $(FATE_G722)
+fate-g722: $(FATE_G722)
 
 FATE_GSM += fate-gsm-ms
 fate-gsm-ms: CMD = framecrc -i $(SAMPLES)/gsm/ciao.wav

tests/ref/acodec/g722

-f30e8e99cfd3f38ba66f1d4131602a19 *./tests/data/acodec/g722.wav
-48053 ./tests/data/acodec/g722.wav
-b5568e0e3930ff563824156e8e1015f0 *./tests/data/g722.acodec.out.wav
-stddev: 8939.44 PSNR: 17.30 MAXDIFF:40370 bytes:   191980/  1058400

tests/ref/fate/g722-encode

+MD5=7106189574186051c0497b287e2e5f19

tests/ref/fate/g722enc

-94e2f200d6e05b47cec4aa3e94571cf3