dahdi-linux: fix oslec build

Depend on kmod-echo rather than building echo.ko as a part of
kmod-dahdi-echo-oslec.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2015-03-31 23:37:34 +02:00
parent 0d802b964b
commit 6a5771b9e3
3 changed files with 112 additions and 4 deletions

View File

@ -40,10 +40,9 @@ endef
define KernelPackage/dahdi-echocan-oslec
SUBMENU:=Voice over IP
TITLE:=DAHDI OSLEC echo canceller support
DEPENDS:=kmod-dahdi
DEPENDS:=kmod-dahdi +kmod-echo
URL:=http://www.asterisk.org/
FILES:= $(PKG_BUILD_DIR)/drivers/staging/echo/echo.$(LINUX_KMOD_SUFFIX) \
$(PKG_BUILD_DIR)/drivers/dahdi/dahdi_echocan_oslec.$(LINUX_KMOD_SUFFIX)
FILES:=$(PKG_BUILD_DIR)/drivers/dahdi/dahdi_echocan_oslec.$(LINUX_KMOD_SUFFIX)
AUTOLOAD:=$(call AutoProbe,echo dahdi_echocan_oslec)
endef
@ -73,7 +72,7 @@ TARGET_CFLAGS += $(FPIC)
define Build/Prepare
$(Build/Prepare/Default)
mkdir -p $(PKG_BUILD_DIR)/drivers/staging/echo/
$(CP) $(PKG_BUILD_DIR)/../linux-$(LINUX_VERSION)/drivers/misc/echo/* $(PKG_BUILD_DIR)/drivers/staging/echo/ || $(CP) $(PKG_BUILD_DIR)/../linux-$(LINUX_VERSION)/drivers/staging/echo/* $(PKG_BUILD_DIR)/drivers/staging/echo/
$(CP) ./files/oslec.h $(PKG_BUILD_DIR)/drivers/staging/echo/
endef
define Build/Compile

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@ -0,0 +1,94 @@
/*
* OSLEC - A line echo canceller. This code is being developed
* against and partially complies with G168. Using code from SpanDSP
*
* Written by Steve Underwood <steveu@coppice.org>
* and David Rowe <david_at_rowetel_dot_com>
*
* Copyright (C) 2001 Steve Underwood and 2007-2008 David Rowe
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __OSLEC_H
#define __OSLEC_H
/* Mask bits for the adaption mode */
#define ECHO_CAN_USE_ADAPTION 0x01
#define ECHO_CAN_USE_NLP 0x02
#define ECHO_CAN_USE_CNG 0x04
#define ECHO_CAN_USE_CLIP 0x08
#define ECHO_CAN_USE_TX_HPF 0x10
#define ECHO_CAN_USE_RX_HPF 0x20
#define ECHO_CAN_DISABLE 0x40
/**
* oslec_state: G.168 echo canceller descriptor.
*
* This defines the working state for a line echo canceller.
*/
struct oslec_state;
/**
* oslec_create - Create a voice echo canceller context.
* @len: The length of the canceller, in samples.
* @return: The new canceller context, or NULL if the canceller could not be
* created.
*/
struct oslec_state *oslec_create(int len, int adaption_mode);
/**
* oslec_free - Free a voice echo canceller context.
* @ec: The echo canceller context.
*/
void oslec_free(struct oslec_state *ec);
/**
* oslec_flush - Flush (reinitialise) a voice echo canceller context.
* @ec: The echo canceller context.
*/
void oslec_flush(struct oslec_state *ec);
/**
* oslec_adaption_mode - set the adaption mode of a voice echo canceller context.
* @ec The echo canceller context.
* @adaption_mode: The mode.
*/
void oslec_adaption_mode(struct oslec_state *ec, int adaption_mode);
void oslec_snapshot(struct oslec_state *ec);
/**
* oslec_update: Process a sample through a voice echo canceller.
* @ec: The echo canceller context.
* @tx: The transmitted audio sample.
* @rx: The received audio sample.
*
* The return value is the clean (echo cancelled) received sample.
*/
int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx);
/**
* oslec_hpf_tx: Process to high pass filter the tx signal.
* @ec: The echo canceller context.
* @tx: The transmitted auio sample.
*
* The return value is the HP filtered transmit sample, send this to your D/A.
*/
int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx);
#endif /* __OSLEC_H */

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@ -0,0 +1,15 @@
Index: dahdi-linux-2.10.0.1/drivers/dahdi/Kbuild
===================================================================
--- dahdi-linux-2.10.0.1.orig/drivers/dahdi/Kbuild
+++ dahdi-linux-2.10.0.1/drivers/dahdi/Kbuild
@@ -61,9 +61,8 @@ obj-m += $(DAHDI_MODULES_EXTRA)
# If you want to build OSLEC, include the code in the standard location:
# drivers/staging/echo . The DAHDI OSLEC echo canceller will be built as
# well:
-ifneq (,$(wildcard $(src)/../staging/echo/echo.c))
+ifneq (,$(wildcard $(src)/../staging/echo/oslec.h))
obj-m += dahdi_echocan_oslec.o
-obj-m += ../staging/echo/echo.o
endif
CFLAGS_MODULE += -I$(DAHDI_INCLUDE) -I$(src)