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<title>[Freeswitch-trunk][15298] </title>
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<div id="msg">
<div id="header">FreeSWITCH Subversion</div>
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://fisheye.freeswitch.org/changelog/FreeSWITCH?cs=15298">15298</a></dd>
<dt>Author</dt> <dd>anthm</dd>
<dt>Date</dt> <dd>2009-10-30 17:56:08 -0500 (Fri, 30 Oct 2009)</dd>
</dl>
<h3>Log Message</h3>
<pre>snapshot</pre>
<h3>Added Paths</h3>
<ul>
<li>freeswitch/trunk/src/mod/applications/mod_snapshot/</li>
<li><a href="#freeswitchtrunksrcmodapplicationsmod_snapshotmod_snapshot2008vcproj">freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.2008.vcproj</a></li>
<li><a href="#freeswitchtrunksrcmodapplicationsmod_snapshotmod_snapshotc">freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.c</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="freeswitchtrunksrcmodapplicationsmod_snapshotmod_snapshot2008vcproj"></a>
<div class="addfile"><h4>Added: freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.2008.vcproj (0 => 15298)</h4>
<pre class="diff"><span>
<span class="info">--- freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.2008.vcproj (rev 0)
+++ freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.2008.vcproj 2009-10-30 22:56:08 UTC (rev 15298)
</span><span class="lines">@@ -0,0 +1,287 @@
</span><ins>+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="9.00"
+ Name="mod_snapshot"
+ ProjectGUID="{11C9BC3D-45E9-46E3-BE84-B8CEE4685E39}"
+ RootNamespace="mod_snapshot"
+ Keyword="Win32Proj"
+ TargetFrameworkVersion="131072"
+ >
+ <Platforms>
+ <Platform
+ Name="Win32"
+ />
+ <Platform
+ Name="x64"
+ />
+ </Platforms>
+ <ToolFiles>
+ </ToolFiles>
+ <Configurations>
+ <Configuration
+ Name="Debug|Win32"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_debug.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Debug|x64"
+ OutputDirectory="$(PlatformName)\$(ConfigurationName)"
+ IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_debug.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ TargetEnvironment="3"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ OutputFile="$(SolutionDir)$(PlatformName)\$(ConfigurationName)/mod/$(ProjectName).dll"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ TargetMachine="17"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release|Win32"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_release.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release|x64"
+ OutputDirectory="$(PlatformName)\$(ConfigurationName)"
+ IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
+ ConfigurationType="2"
+ InheritedPropertySheets="..\..\..\..\w32\module_release.vsprops"
+ CharacterSet="2"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ TargetEnvironment="3"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ UsePrecompiledHeader="0"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ OutputFile="$(SolutionDir)$(PlatformName)\$(ConfigurationName)/mod/$(ProjectName).dll"
+ RandomizedBaseAddress="1"
+ DataExecutionPrevention="0"
+ TargetMachine="17"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ </Configurations>
+ <References>
+ </References>
+ <Files>
+ <File
+ RelativePath=".\mod_snapshot.c"
+ >
+ </File>
+ </Files>
+ <Globals>
+ </Globals>
+</VisualStudioProject>
</ins></span></pre></div>
<a id="freeswitchtrunksrcmodapplicationsmod_snapshotmod_snapshotc"></a>
<div class="addfile"><h4>Added: freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.c (0 => 15298)</h4>
<pre class="diff"><span>
<span class="info">--- freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.c (rev 0)
+++ freeswitch/trunk/src/mod/applications/mod_snapshot/mod_snapshot.c 2009-10-30 22:56:08 UTC (rev 15298)
</span><span class="lines">@@ -0,0 +1,341 @@
</span><ins>+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2009, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * 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 <anthm@freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Anthony Minessale II <anthm@freeswitch.org>
+ *
+ *
+ * mod_snapshot.c -- record a sliding window of audio and take snapshots to disk
+ *
+ */
+#include <switch.h>
+
+/* Prototypes */
+SWITCH_MODULE_RUNTIME_FUNCTION(mod_snapshot_runtime);
+SWITCH_MODULE_LOAD_FUNCTION(mod_snapshot_load);
+
+/* SWITCH_MODULE_DEFINITION(name, load, shutdown, runtime)
+ * Defines a switch_loadable_module_function_table_t and a static const char[] modname
+ */
+SWITCH_MODULE_DEFINITION(mod_snapshot, mod_snapshot_load, NULL, NULL);
+
+struct cap_cb {
+ switch_buffer_t *buffer;
+ switch_mutex_t *mutex;
+ char *base;
+};
+
+static switch_bool_t capture_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
+{
+ switch_core_session_t *session = switch_core_media_bug_get_session(bug);
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ struct cap_cb *cb = (struct cap_cb *) user_data;
+
+ switch (type) {
+ case SWITCH_ABC_TYPE_INIT:
+ break;
+ case SWITCH_ABC_TYPE_CLOSE:
+ {
+ if (cb->buffer) {
+ switch_buffer_destroy(&cb->buffer);
+ }
+ switch_channel_set_private(channel, "snapshot", NULL);
+ }
+
+ break;
+ case SWITCH_ABC_TYPE_READ:
+
+ if (cb->buffer) {
+ uint8_t data[SWITCH_RECOMMENDED_BUFFER_SIZE];
+ switch_frame_t frame = { 0 };
+
+ frame.data = data;
+ frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
+
+ if (switch_mutex_trylock(cb->mutex) == SWITCH_STATUS_SUCCESS) {
+ while (switch_core_media_bug_read(bug, &frame, SWITCH_TRUE) == SWITCH_STATUS_SUCCESS && !switch_test_flag((&frame), SFF_CNG)) {
+ if (frame.datalen) switch_buffer_slide_write(cb->buffer, frame.data, frame.datalen);
+ }
+ switch_mutex_unlock(cb->mutex);
+ }
+
+ }
+ break;
+ case SWITCH_ABC_TYPE_WRITE:
+ default:
+ break;
+ }
+
+ return SWITCH_TRUE;
+}
+
+static switch_status_t start_capture(switch_core_session_t *session, unsigned int seconds, switch_media_bug_flag_t flags, const char *base)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ switch_media_bug_t *bug;
+ switch_status_t status;
+ switch_codec_implementation_t read_impl = {0};
+ struct cap_cb *cb;
+ switch_size_t bytes;
+ switch_bind_flag_t bind_flags = 0;
+
+ if (switch_channel_get_private(channel, "snapshot")) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Already Running.\n");
+ return SWITCH_STATUS_FALSE;
+ }
+
+ if (seconds < 5) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Must be at least 5 seconds!\n");
+ return SWITCH_STATUS_FALSE;
+ }
+
+ switch_core_session_get_read_impl(session, &read_impl);
+
+ if (switch_channel_pre_answer(channel) != SWITCH_STATUS_SUCCESS) {
+ return SWITCH_STATUS_FALSE;
+ }
+
+ cb = switch_core_session_alloc(session, sizeof(*cb));
+ cb->base = switch_core_session_strdup(session, base);
+
+ bytes = read_impl.samples_per_second * seconds * 2;
+
+ switch_buffer_create_dynamic(&cb->buffer, bytes, bytes, bytes);
+ switch_mutex_init(&cb->mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
+
+ if ((status = switch_core_media_bug_add(session, capture_callback, cb, 0, flags, &bug)) != SWITCH_STATUS_SUCCESS) {
+ return status;
+ }
+
+ bind_flags = SBF_DIAL_ALEG | SBF_EXEC_ALEG | SBF_EXEC_SAME;
+ switch_ivr_bind_dtmf_meta_session(session, 7, bind_flags, "snapshot::snap");
+
+ switch_channel_set_private(channel, "snapshot", bug);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static void do_snap(switch_core_session_t *session)
+{
+ switch_channel_t *channel = switch_core_session_get_channel(session);
+ switch_media_bug_t *bug = switch_channel_get_private(channel, "snapshot");
+ char *file;
+ switch_file_handle_t fh = {0};
+ switch_codec_implementation_t read_impl = {0};
+ switch_size_t bytes_read;
+ int16_t pdata[4096] = {0};
+
+ if (bug) {
+ switch_time_exp_t tm;
+ switch_size_t retsize;
+ char date[80] = "";
+ struct cap_cb *cb = (struct cap_cb *) switch_core_media_bug_get_user_data(bug);
+
+ if (!cb) {
+ return;
+ }
+
+ switch_time_exp_lt(&tm, switch_time_make(switch_epoch_time_now(NULL), 0));
+ switch_strftime(date, &retsize, sizeof(date), "%Y_%m_%d_%H_%M_%S", &tm);
+
+ file = switch_core_session_sprintf(session, "%s%ssounds%s%s_%s.wav", SWITCH_GLOBAL_dirs.base_dir,
+ SWITCH_PATH_SEPARATOR, SWITCH_PATH_SEPARATOR, cb->base, date);
+
+ switch_core_session_get_read_impl(session, &read_impl);
+ fh.channels = 0;
+ fh.native_rate = read_impl.actual_samples_per_second;
+
+ if (switch_core_file_open(&fh,
+ file,
+ 0,
+ read_impl.actual_samples_per_second,
+ SWITCH_FILE_FLAG_WRITE | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error opening %s\n", file);
+ switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
+ switch_core_session_reset(session, SWITCH_TRUE, SWITCH_TRUE);
+ return;
+ }
+
+ switch_mutex_lock(cb->mutex);
+ while ((bytes_read = switch_buffer_read(cb->buffer, pdata, sizeof(pdata)))) {
+ switch_size_t samples = bytes_read / 2;
+
+ if (switch_core_file_write(&fh, pdata, &samples) != SWITCH_STATUS_SUCCESS) {
+ break;
+ }
+ }
+ switch_mutex_unlock(cb->mutex);
+ switch_core_file_close(&fh);
+ switch_core_set_variable("file", file);
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Wrote %s\n", file);
+ }
+
+}
+
+#define SNAP_SYNTAX "start <sec> <read|write>"
+SWITCH_STANDARD_APP(snapshot_app_function)
+{
+ char *argv[4] = { 0 };
+ int argc = 0;
+ char *lbuf = NULL;
+ switch_media_bug_flag_t flags = SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_PING;
+ if (!zstr(data) && (lbuf = switch_core_session_strdup(session, data))) {
+ argc = switch_separate_string(lbuf, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
+ }
+
+ if (argc < 1) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Usage: %s\n", SNAP_SYNTAX);
+ }
+
+ if (!strcasecmp(argv[0], "start")) {
+ char *sec = argv[1];
+ char *fl = argv[2];
+ const char *base = argv[3];
+ int seconds = 5;
+
+ if (sec) {
+ int tmp = atoi(sec);
+ if (tmp > 5) {
+ seconds = tmp;
+ }
+ }
+
+ if (fl) {
+ flags = SMBF_READ_PING;
+ if (switch_stristr("read", fl)) {
+ flags |= SMBF_READ_STREAM;
+ }
+ if (switch_stristr("write", fl)) {
+ flags |= SMBF_WRITE_STREAM;
+ }
+ }
+
+ if (!base) {
+ base = "mod_snapshot";
+ }
+
+ start_capture(session, seconds, flags, base);
+
+ }
+
+ if (!strcasecmp(argv[0], "snap")) {
+ do_snap(session);
+ return;
+ }
+
+}
+
+
+#define SNAP_API_SYNTAX "<uuid> <warning>"
+SWITCH_STANDARD_API(snapshot_function)
+{
+ char *mycmd = NULL, *argv[5] = { 0 };
+ int argc = 0;
+ switch_status_t status = SWITCH_STATUS_FALSE;
+
+ if (!zstr(cmd) && (mycmd = strdup(cmd))) {
+ argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
+ }
+
+ if (zstr(cmd) || argc < 1 || zstr(argv[0])) {
+ stream->write_function(stream, "-USAGE: %s\n", SNAP_API_SYNTAX);
+ } else {
+ switch_core_session_t *lsession = NULL;
+
+ if ((lsession = switch_core_session_locate(argv[0]))) {
+ if (!strcasecmp(argv[1], "snap")) {
+ do_snap(lsession);
+ } else if (!strcasecmp(argv[1], "start")) {
+ char *sec = argv[1];
+ char *fl = argv[2];
+ const char *base = argv[3];
+ int seconds = 5;
+ switch_media_bug_flag_t flags = SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_PING;
+
+ if (sec) {
+ int tmp = atoi(sec);
+ if (tmp > 5) {
+ seconds = tmp;
+ }
+ }
+
+ if (fl) {
+ flags = SMBF_READ_PING;
+ if (switch_stristr("read", fl)) {
+ flags |= SMBF_READ_STREAM;
+ }
+ if (switch_stristr("write", fl)) {
+ flags |= SMBF_WRITE_STREAM;
+ }
+ }
+
+ if (!base) {
+ base = "mod_snapshot";
+ }
+
+ start_capture(lsession, seconds, flags, base);
+ }
+
+ switch_core_session_rwunlock(lsession);
+ }
+ }
+
+ if (status == SWITCH_STATUS_SUCCESS) {
+ stream->write_function(stream, "+OK Success\n");
+ } else {
+ stream->write_function(stream, "-ERR Operation Failed\n");
+ }
+
+ switch_safe_free(mycmd);
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/* Macro expands to: switch_status_t mod_snapshot_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool) */
+SWITCH_MODULE_LOAD_FUNCTION(mod_snapshot_load)
+{
+ switch_api_interface_t *api_interface;
+ switch_application_interface_t *app_interface;
+
+ /* connect my internal structure to the blank pointer passed to me */
+ *module_interface = switch_loadable_module_create_module_interface(pool, modname);
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Hello World!\n");
+
+ SWITCH_ADD_API(api_interface, "uuid_snapshot", "Snapshot API", snapshot_function, SNAP_API_SYNTAX);
+ SWITCH_ADD_APP(app_interface, "snapshot", "", "", snapshot_app_function, SNAP_SYNTAX, SAF_SUPPORT_NOMEDIA);
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4
+ */
</ins></span></pre>
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