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Merge changes from team/russell/codec_resample

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This commit imports libresample for use in Asterisk.  It also adds a new codec
module, codec_resample.  This module uses libresample to re-sample signed linear
audio between 8 kHz and 16 kHz.

It also provides an alternative for converting between 16 kHz G.722 and 8 kHz
signed linear when using G.722, which will likely be useful as some people have
complained about volume issues when the current codec_g722 converts to 8 kHz 
signed linear.  But, to test this, you will have to disable the g722-to-slin and
g722-to-slin16 translators in codec_g722.c.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@95501 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-12-31 21:22:31 +00:00
parent f3e2f0bb0a
commit 21cb767db7
26 changed files with 10477 additions and 1 deletions
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6
main/Makefile
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@@ -111,6 +111,9 @@ editline/libedit.a: CHECK_SUBDIR
db1-ast/libdb1.a: CHECK_SUBDIR
CFLAGS="$(ASTCFLAGS)" LDFLAGS="$(ASTLDFLAGS)" $(MAKE) -C db1-ast libdb1.a
libresample/libresample.a: CHECK_SUBDIR
$(MAKE) -f Makefile.asterisk -C libresample libresample.a
ast_expr2.c ast_expr2.h:
bison -o $@ -d --name-prefix=ast_yy ast_expr2.y
@@ -152,7 +155,7 @@ else
MAIN_TGT:=asterisk
endif
$(MAIN_TGT): $(OBJS) editline/libedit.a db1-ast/libdb1.a minimime/libmmime.a $(AST_EMBED_LDSCRIPTS)
$(MAIN_TGT): $(OBJS) editline/libedit.a db1-ast/libdb1.a minimime/libmmime.a $(AST_EMBED_LDSCRIPTS) libresample/libresample.a
@$(CC) -c -o buildinfo.o $(ASTCFLAGS) buildinfo.c
$(ECHO_PREFIX) echo " [LD] $^ -> $@"
ifneq ($(findstring chan_h323,$(MENUSELECT_CHANNELS)),)
@@ -169,3 +172,4 @@ clean::
@$(MAKE) -C db1-ast clean
@$(MAKE) -C stdtime clean
@$(MAKE) -C minimime clean
@$(MAKE) -f Makefile.asterisk -C libresample clean