This isn't working yet. I'm adding it so tony can get quick/easy access to it. /b

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2396 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/codecs/mod_g726/Makefile

+LDFLAGS +=-lg726
+
+all:	depends $(MODNAME).$(DYNAMIC_LIB_EXTEN)
+
+depends:
+	MAKE=$(MAKE) $(BASE)/build/buildlib.sh $(BASE) install codec/g726 --prefix=$(PREFIX)
+
+$(MODNAME).$(DYNAMIC_LIB_EXTEN): $(MODNAME).c
+	$(CC) $(CFLAGS) -fPIC -c $(MODNAME).c -o $(MODNAME).o
+	$(CC) $(SOLINK) $(MODNAME).o -o $(MODNAME).$(DYNAMIC_LIB_EXTEN) $(LDFLAGS)
+
+clean:
+	rm -fr *.$(DYNAMIC_LIB_EXTEN) *.o *~
+
+install:
+	cp -f $(MODNAME).$(DYNAMIC_LIB_EXTEN) $(PREFIX)/mod

src/mod/codecs/mod_g726/mod_g726.c

+/* 
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * 
+ * Brian K. West <brian.west@mac.com>
+ * 
+ *
+ * mod_g726.c -- G726 Codec Module
+ *
+ */  
+#include "switch.h"
+#include "g72x.h"
+
+static const char modname[] = "mod_g726";
+
+static switch_status_t switch_g726_init(switch_codec_t *codec, switch_codec_flag_t flags,
+									  const switch_codec_settings_t *codec_settings) 
+{
+	int encoding, decoding;
+	struct g726_state_s *context = NULL;
+
+	encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
+	decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
+
+	if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(struct g726_state_s))))) {
+		return SWITCH_STATUS_FALSE;
+	} else {
+		g726_init_state(context);
+		codec->private_info = context;
+		return SWITCH_STATUS_SUCCESS;
+	}
+}
+
+
+static switch_status_t switch_g726_destroy(switch_codec_t *codec) 
+{
+	codec->private_info = NULL;
+	return SWITCH_STATUS_SUCCESS;
+}
+
+#define define_encoder(func, coder, datalen)\
+static switch_status_t func(switch_codec_t *codec,\
+							switch_codec_t *other_codec,\
+							void *decoded_data,\
+\
+							uint32_t decoded_data_len,\
+							uint32_t decoded_rate,\
+							void *encoded_data,\
+\
+							uint32_t *encoded_data_len,\
+							uint32_t *encoded_rate,\
+							unsigned int *flag)\
+{\
+	struct g726_state_s *context = codec->private_info;\
+\
+	if (!context) {\
+		return SWITCH_STATUS_FALSE;\
+	}\
+\
+	if (decoded_data_len % datalen == 0) {\
+		coder(*(int *)decoded_data , AUDIO_ENCODING_LINEAR, context);\
+	}\
+\
+	return SWITCH_STATUS_SUCCESS;\
+}\
+
+#define define_decoder(func, coder, datalen)\
+static switch_status_t func(switch_codec_t *codec,\
+							switch_codec_t *other_codec,\
+							void *encoded_data,\
+\
+							uint32_t encoded_data_len,\
+							uint32_t encoded_rate,\
+							void *decoded_data,\
+\
+							uint32_t *decoded_data_len,\
+							uint32_t *decoded_rate,\
+							unsigned int *flag)\
+{\
+	struct g726_state_s *context = codec->private_info;\
+\
+	if (!context) {\
+		return SWITCH_STATUS_FALSE;\
+	}\
+\
+	if (encoded_data_len % datalen == 0) {\
+		coder(*(int *)encoded_data, AUDIO_ENCODING_LINEAR, context);\
+}\
+\
+	return SWITCH_STATUS_SUCCESS;\
+}\
+
+define_encoder(switch_g726_16k_encode, g726_16_encoder, 160) 
+define_decoder(switch_g726_16k_decode, g726_16_decoder, 40)
+
+define_encoder(switch_g726_24k_encode, g726_24_encoder, 160) 
+define_decoder(switch_g726_24k_decode, g726_24_decoder, 60)
+
+define_encoder(switch_g726_32k_encode, g726_32_encoder, 160) 
+define_decoder(switch_g726_32k_decode, g726_32_decoder, 80)
+
+define_encoder(switch_g726_40k_encode, g726_40_encoder, 160) 
+define_decoder(switch_g726_40k_decode, g726_40_decoder, 100)
+
+
+/* Registration */ 
+
+static const switch_codec_implementation_t g726_16k_implementation = { 
+	/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO, 
+	/*.ianacode */ 2, 
+	/*.iananame */ "G726-16", 
+	/*.samples_per_second */ 8000, 
+	/*.bits_per_second */ 16000, 
+	/*.microseconds_per_frame */ 20000, 
+	/*.samples_per_frame */ 160, 
+	/*.bytes_per_frame */ 40, 
+	/*.encoded_bytes_per_frame */ 10, 
+	/*.number_of_channels */ 1, 
+	/*.pref_frames_per_packet */ 1, 
+	/*.max_frames_per_packet */ 1, 
+	/*.init */ switch_g726_init, 
+	/*.encode */ switch_g726_16k_encode, 
+	/*.decode */ switch_g726_16k_decode, 
+	/*.destroy */ switch_g726_destroy, 
+};
+
+
+static const switch_codec_implementation_t g726_24k_implementation = { 
+	/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO, 
+	/*.ianacode */ 2, 
+	/*.iananame */ "G726-24", 
+	/*.samples_per_second */ 8000, 
+	/*.bits_per_second */ 24000, 
+	/*.microseconds_per_frame */ 20000, 
+	/*.samples_per_frame */ 160, 
+	/*.bytes_per_frame */ 60, 
+	/*.encoded_bytes_per_frame */ 10, 
+	/*.number_of_channels */ 1, 
+	/*.pref_frames_per_packet */ 1, 
+	/*.max_frames_per_packet */ 1, 
+	/*.init */ switch_g726_init, 
+	/*.encode */ switch_g726_24k_encode, 
+	/*.decode */ switch_g726_24k_decode, 
+	/*.destroy */ switch_g726_destroy, 
+};
+
+static const switch_codec_implementation_t g726_32k_implementation = { 
+	/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO, 
+	/*.ianacode */ 2, 
+	/*.iananame */ "G726-32", 
+	/*.samples_per_second */ 8000, 
+	/*.bits_per_second */ 32000, 
+	/*.microseconds_per_frame */ 20000, 
+	/*.samples_per_frame */ 160, 
+	/*.bytes_per_frame */ 80, 
+	/*.encoded_bytes_per_frame */ 10, 
+	/*.number_of_channels */ 1, 
+	/*.pref_frames_per_packet */ 1, 
+	/*.max_frames_per_packet */ 1, 
+	/*.init */ switch_g726_init, 
+	/*.encode */ switch_g726_32k_encode, 
+	/*.decode */ switch_g726_32k_decode, 
+	/*.destroy */ switch_g726_destroy, 
+};
+
+static const switch_codec_implementation_t g726_40k_implementation = { 
+	/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO, 
+	/*.ianacode */ 2, 
+	/*.iananame */ "G726-40", 
+	/*.samples_per_second */ 8000, 
+	/*.bits_per_second */ 40000, 
+	/*.microseconds_per_frame */ 20000, 
+	/*.samples_per_frame */ 160, 
+	/*.bytes_per_frame */ 100, 
+	/*.encoded_bytes_per_frame */ 10, 
+	/*.number_of_channels */ 1, 
+	/*.pref_frames_per_packet */ 1, 
+	/*.max_frames_per_packet */ 1, 
+	/*.init */ switch_g726_init, 
+	/*.encode */ switch_g726_40k_encode, 
+	/*.decode */ switch_g726_40k_decode, 
+	/*.destroy */ switch_g726_destroy, 
+};
+
+const switch_codec_interface_t g726_16k_codec_interface = { 
+	/*.interface_name */ "G.726 16k", 
+	/*.implementations */ &g726_16k_implementation, 
+};
+const switch_codec_interface_t g726_24k_codec_interface = { 
+	/*.interface_name */ "G.726 24k", 
+	/*.implementations */ &g726_24k_implementation, 
+	/*.next */ &g726_16k_codec_interface
+};
+const switch_codec_interface_t g726_32k_codec_interface = { 
+	/*.interface_name */ "G.726 32k", 
+	/*.implementations */ &g726_32k_implementation, 
+	/*.next */ &g726_24k_codec_interface
+};
+const switch_codec_interface_t g726_40k_codec_interface = { 
+	/*.interface_name */ "G.726 40k", 
+	/*.implementations */ &g726_40k_implementation, 
+	/*.next */ &g726_32k_codec_interface
+};
+
+static switch_loadable_module_interface_t g726_module_interface = { 
+	/*.module_name */ modname, 
+	/*.endpoint_interface */ NULL, 
+	/*.timer_interface */ NULL, 
+	/*.dialplan_interface */ NULL, 
+	/*.codec_interface */ &g726_40k_codec_interface, 
+	/*.application_interface */ NULL 
+};
+
+SWITCH_MOD_DECLARE(switch_status_t) switch_module_load(const switch_loadable_module_interface_t **module_interface,
+													 char *filename)
+{
+	/* connect my internal structure to the blank pointer passed to me */ 
+	*module_interface = &g726_module_interface;
+
+	/* indicate that the module should continue to be loaded */ 
+	return SWITCH_STATUS_SUCCESS;
+}