meta-offline-voice-agent: Enable layer for offline voice recognition

- This enables offline voice recognition in AGL
- Can successfully run vosk API and vosk websocket server

Changes:
- Create a new layer: meta-offline-voice-recognition
- Create recipes for the the Vosk library, API, websocket server and model
- Create feature template for the layer (agl-offline-voice-agent)
- Add all required packages to IMAGE_INSTALL
- ptest enable recipe python3-vosk-api
- Few fixes

Bug-AGL: SPEC-4497

Change-Id: Icb290ceee22e2c3a51cbd67f7431701795f1201b
Signed-off-by: amanarora_09 <aman.arora9848@gmail.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/meta-offline-voice-agent/recipes-vosk/vosk/vosk_0.3.42.bb b/meta-offline-voice-agent/recipes-vosk/vosk/vosk_0.3.42.bb
new file mode 100644
index 00000000..bf4ffe31
--- /dev/null
+++ b/meta-offline-voice-agent/recipes-vosk/vosk/vosk_0.3.42.bb
@@ -0,0 +1,49 @@
+SUMMARY = "Offline open source speech recognition API based on Kaldi and Vosk"
+HOMEPAGE = "https://github.com/alphacep/vosk-api"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://../COPYING;md5=d09bbd7a3746b6052fbd78b26a87396b"
+
+SRC_URI = "git://github.com/alphacep/vosk-api;protocol=https;branch=master \
+           file://0001-Build-fixes-for-shared-library-under-bitbake.patch \
+           "
+
+PV = "0.3.42+git${SRCPV}"
+SRCREV = "b1b216d4c87d708935f1601287fe502aa11ee4a9"
+
+S = "${WORKDIR}/git/src"
+
+DEPENDS += " vosk-kaldi vosk-openfst openblas"
+
+RDEPENDS:${PN} += " \
+"
+
+CFLAGS:append = " -I${STAGING_INCDIR}/kaldi -g "
+LDFLAGS:remove = "-Wl,--as-needed"
+
+do_configure(){
+    :
+}
+
+do_compile(){
+
+    make KALDI_ROOT=${STAGING_INCDIR}/kaldi/ OPENFST_ROOT=${STAGING_INCDIR} OPENBLAS_ROOT=${STAGING_INCDIR} USE_SHARED=1 EXTRA_CFLAGS="${CFLAGS}" EXTRA_LDFLAGS="${LDFLAGS}" ${PARALLEL_MAKE}
+
+}
+
+do_install(){
+
+    install -d ${D}${libdir}
+    install -m 0644 libvosk.so.0.3.42 ${D}${libdir}
+    cd ${D}${libdir}
+    ln -sf libvosk.so.0.3.42 libvosk.so
+    ln -sf libvosk.so.0.3.42 libvosk.so.0
+    cd ${S}
+
+    install -d ${D}${includedir}/vosk
+    for i in *.h ; do
+	install -m 0644 $i ${D}${includedir}/vosk/
+    done
+
+}
+
+ERROR_QA:remove = "dev-deps"