fate: add id3v2 test

Adds basic unit test for parsing ID3v2 tags.
Signed-off-by: James Almer <jamrial@gmail.com>

tests/Makefile

@@ -130,6 +130,7 @@ include $(SRC_PATH)/tests/fate/gapless.mak
 include $(SRC_PATH)/tests/fate/gif.mak
 include $(SRC_PATH)/tests/fate/h264.mak
 include $(SRC_PATH)/tests/fate/hevc.mak
+include $(SRC_PATH)/tests/fate/id3v2.mak
 include $(SRC_PATH)/tests/fate/image.mak
 include $(SRC_PATH)/tests/fate/indeo.mak
 include $(SRC_PATH)/tests/fate/libavcodec.mak

tests/fate-run.sh

@@ -88,6 +88,10 @@ probefmt(){
     run ffprobe${PROGSUF} -show_entries format=format_name -print_format default=nw=1:nk=1 -v 0 "$@"
 }
 
+probetags(){
+    run ffprobe${PROGSUF} -show_entries format_tags -v 0 "$@"
+}
+
 runlocal(){
     test "${V:-0}" -gt 0 && echo ${base}/"$@" ${base} >&3
     ${base}/"$@" ${base}

tests/fate/id3v2.mak

+FATE_SAMPLES_ID3V2-$(CONFIG_MP3_DEMUXER) += fate-id3v2-priv
+fate-id3v2-priv: CMD = probetags $(TARGET_SAMPLES)/id3v2/id3v2_priv.mp3
+
+FATE_SAMPLES_FFPROBE += $(FATE_SAMPLES_ID3V2-yes)
+fate-id3v2: $(FATE_SAMPLES_ID3V2-yes)

tests/ref/fate/id3v2-priv

+[FORMAT]
+TAG:title=id3v2-test
+TAG:id3v2_priv.testowner=testdata
+TAG:id3v2_priv.testowner2=\x00\x01\x02
+[/FORMAT]