Add codecs to librbcodec.

Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/rbcodec/codecs/libspeex/libspeex.make b/lib/rbcodec/codecs/libspeex/libspeex.make
new file mode 100644
index 0000000000..6138dff4a9
--- /dev/null
+++ b/lib/rbcodec/codecs/libspeex/libspeex.make
@@ -0,0 +1,66 @@
+#             __________               __   ___.
+#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+#                     \/            \/     \/    \/            \/
+# $Id$
+#
+
+# we need to build two different speex libraries
+# (one for codec, one for core voice)
+# so a little trickery is necessary
+
+# disable strict aliasing optimizations for now, it gives warnings due to
+# some horrid typecasting
+_SPEEXFLAGS = $(filter-out -fstrict-aliasing, $(CODECFLAGS)) \
+                -fno-strict-aliasing -DHAVE_CONFIG_H -DSPEEX_DISABLE_ENCODER \
+                -I$(RBCODECLIB_DIR)/codecs/libspeex
+
+# build voice codec with core -O switch
+VOICESPEEXFLAGS = $(filter-out -ffunction-sections, $(filter-out -DCODEC,$(_SPEEXFLAGS))) -DROCKBOX_VOICE_CODEC
+
+# libspeex is faster on ARM-targets with -O1 instead of -O2
+SPEEXFLAGS = $(filter-out -O%,$(_SPEEXFLAGS))
+
+ifeq ($(ARCH),arch_arm)
+   SPEEXFLAGS += -O1
+else
+   SPEEXFLAGS += -O2
+endif
+
+# libspeex
+SPEEXLIB := $(CODECDIR)/libspeex.a
+SPEEXLIB_SRC := $(call preprocess, $(RBCODECLIB_DIR)/codecs/libspeex/SOURCES)
+SPEEXLIB_OBJ := $(call c2obj, $(SPEEXLIB_SRC))
+OTHER_SRC += $(SPEEXLIB_SRC)
+
+$(SPEEXLIB): $(SPEEXLIB_OBJ)
+        $(SILENT)$(shell rm -f $@)
+        $(call PRINTS,AR $(@F))$(AR) rcs $@ $^ >/dev/null
+
+# libspeex-voice
+VOICESPEEXLIB := $(CODECDIR)/libspeex-voice.a
+VOICESPEEXLIB_SRC := $(call preprocess, $(RBCODECLIB_DIR)/codecs/libspeex/SOURCES)
+VOICESPEEXLIB_OBJ := $(addsuffix .o,$(basename $(subst $(RBCODECLIB_DIR)/codecs/libspeex,$(RBCODEC_BLD)/codecs/libspeex-voice,$(VOICESPEEXLIB_SRC))))
+
+$(VOICESPEEXLIB): $(VOICESPEEXLIB_OBJ)
+        $(call PRINTS,AR $(@F))$(AR) rcs $@ $^ >/dev/null
+
+# pattern rules
+
+$(CODECDIR)/libspeex-voice/%.o : $(RBCODECLIB_DIR)/codecs/libspeex/%.c
+        $(SILENT)mkdir -p $(dir $@)
+        $(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) $(VOICESPEEXFLAGS) -c $< -o $@
+
+$(CODECDIR)/libspeex-voice/%.o : $(RBCODECLIB_DIR)/codecs/libspeex/%.S
+        $(SILENT)mkdir -p $(dir $@)
+        $(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) $(VOICESPEEXFLAGS) $(ASMFLAGS) -c $< -o $@
+
+$(CODECDIR)/libspeex/%.o: $(RBCODECLIB_DIR)/codecs/libspeex/%.c
+        $(SILENT)mkdir -p $(dir $@)
+        $(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) $(SPEEXFLAGS) -c $< -o $@
+
+$(CODECDIR)/libspeex/%.o: $(RBCODECLIB_DIR)/codecs/libspeex/%.S
+        $(SILENT)mkdir -p $(dir $@)
+        $(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) $(SPEEXFLAGS) $(ASMFLAGS) -c $< -o $@