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Add mod_g722, WIP, we need to test this still. Thanks to Steve Underwood for releasing the library that this codec module is based on.

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2516 d0543943-73ff-0310-b7d9-9358b9ac24b2
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Michael Jerris committed 2006-09-05 18:49:53 +00:00
1 parent b40695d30e
commit 7639d6452e
3 files changed
+515 -129
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src/mod/codecs/mod_g722/mod_g722.c
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/*
* 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 / G722 codec module
*
* The Initial Developer of the Original Code is
* Brian K. West <brian.west@mac.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>
* Anthony Minessale II <anthmct@yahoo.com>
* Michael Jerris <mike@jerris.com>
*
* mod_g722.c -- G722 Codec Module
*
*/
#include <switch.h>
#include "g7xx/g722.h"
static const char modname[] = "mod_g722";
struct g722_context {
g722_decode_state_t decoder_object;
g722_encode_state_t encoder_object;
};
static switch_status_t switch_g722_init(switch_codec_t *codec, switch_codec_flag_t flags,
const switch_codec_settings_t *codec_settings)
{
int encoding, decoding;
struct g722_context *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 g722_context))))) {
return SWITCH_STATUS_FALSE;
} else {
if (!(encoding || decoding)) {
if (encoding) {
g722_encode_init(&context->encoder_object, 64000, G722_PACKED);
}
if (decoding) {
g722_decode_init(&context->decoder_object, 64000, G722_PACKED);
}
}
}
codec->private_info = context;
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t switch_g722_encode(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 g722_context *context = codec->private_info;
if (!context) {
return SWITCH_STATUS_FALSE;
}
*encoded_data_len = g722_encode(&context->encoder_object, encoded_data, decoded_data, 160);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t switch_g722_decode(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 g722_context *context = codec->private_info;
if (!context) {
return SWITCH_STATUS_FALSE;
}
*decoded_data_len = (2 * g722_decode(&context->decoder_object, decoded_data, encoded_data, 160));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t switch_g722_destroy(switch_codec_t *codec)
{
/* We do not need to use release here as the pool memory is taken care of for us */
codec->private_info = NULL;
return SWITCH_STATUS_SUCCESS;
}
/* Registration */
static const switch_codec_implementation_t g722_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 9,
/*.iananame */ "G722",
/*.samples_per_second */ 16000,
/*.bits_per_second */ 64000,
/*.microseconds_per_frame */ 20000,
/*.samples_per_frame */ 160,
/*.bytes_per_frame */ 320,
/*.encoded_bytes_per_frame */ 160,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_g722_init,
/*.encode */ switch_g722_encode,
/*.decode */ switch_g722_decode,
/*.destroy */ switch_g722_destroy,
///*.next */ &g711u_16k_implementation
};
static const switch_codec_interface_t g722_codec_interface = {
/*.interface_name */ "g722",
/*.implementations */ &g722_implementation
};
static switch_loadable_module_interface_t g722_module_interface = {
/*.module_name */ modname,
/*.endpoint_interface */ NULL,
/*.timer_interface */ NULL,
/*.dialplan_interface */ NULL,
/*.codec_interface */ &g722_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 = &g722_module_interface;
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
src/mod/codecs/mod_g722/mod_g722.vcproj
+213
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<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="8.00"
Name="mod_g722"
ProjectGUID="{D42518CC-7475-454D-B392-0E132C07D761}"
RootNamespace="mod_g722"
Keyword="Win32Proj"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="2"
InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
CharacterSet="2"
>
<Tool
Name="VCPreBuildEventTool"
CommandLine=""
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\include&quot;;&quot;$(InputDir)..\..\..\..\libs\include&quot;;&quot;$(InputDir)..\..\..\..\libs\codec\g7xx\src\include&quot;"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
UsePrecompiledHeader="0"
WarningLevel="4"
WarnAsError="true"
Detect64BitPortabilityProblems="true"
DebugInformationFormat="3"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
OutputFile="$(SolutionDir)$(OutDir)/mod/$(InputName).dll"
LinkIncremental="1"
AdditionalLibraryDirectories="..\..\..\..\libs\codec\g726\$(OutDir);..\..\..\..\w32\vsnet\$(OutDir)"
GenerateDebugInformation="true"
ProgramDatabaseFile="$(OutDir)$(TargetName).pdb"
SubSystem="2"
ImportLibrary="$(OutDir)/mod_g722.lib"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="$(ConfigurationName)"
IntermediateDirectory="$(ConfigurationName)"
ConfigurationType="2"
InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
CharacterSet="2"
>
<Tool
Name="VCPreBuildEventTool"
CommandLine=""
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
AdditionalIncludeDirectories="&quot;$(InputDir)..\..\..\include&quot;;&quot;$(InputDir)..\..\..\..\libs\include&quot;;&quot;$(InputDir)..\..\..\..\libs\codec\g7xx\src\include&quot;"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
RuntimeLibrary="2"
UsePrecompiledHeader="0"
WarningLevel="4"
WarnAsError="true"
Detect64BitPortabilityProblems="true"
DebugInformationFormat="3"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
/>
<Tool
Name="VCPreLinkEventTool"
/>
<Tool
Name="VCLinkerTool"
OutputFile="$(SolutionDir)$(OutDir)/mod/$(InputName).dll"
LinkIncremental="1"
AdditionalLibraryDirectories="..\..\..\..\libs\codec\g726\$(OutDir);..\..\..\..\w32\vsnet\$(OutDir)"
GenerateDebugInformation="true"
ProgramDatabaseFile="$(OutDir)$(TargetName).pdb"
SubSystem="2"
OptimizeReferences="2"
EnableCOMDATFolding="2"
LinkTimeCodeGeneration="1"
ImportLibrary="$(OutDir)/mod_g722.lib"
TargetMachine="1"
/>
<Tool
Name="VCALinkTool"
/>
<Tool
Name="VCManifestTool"
/>
<Tool
Name="VCXDCMakeTool"
/>
<Tool
Name="VCBscMakeTool"
/>
<Tool
Name="VCFxCopTool"
/>
<Tool
Name="VCAppVerifierTool"
/>
<Tool
Name="VCWebDeploymentTool"
/>
<Tool
Name="VCPostBuildEventTool"
/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
>
<File
RelativePath="mod_g722.c"
>
</File>
</Filter>
<Filter
Name="Header Files"
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
>
</Filter>
<Filter
Name="Resource Files"
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
>
</Filter>
</Files>
<Globals>
</Globals>
</VisualStudioProject>