Index: apps/app_mixmonitor.c =================================================================== --- apps/app_mixmonitor.c (revision 253530) +++ apps/app_mixmonitor.c (working copy) @@ -46,6 +46,7 @@ #include "asterisk/app.h" #include "asterisk/channel.h" #include "asterisk/autochan.h" +#include "asterisk/manager.h" /*** DOCUMENTATION @@ -124,7 +125,41 @@ MixMonitor - + + + Mute a Mixmonitor recording. + + + + + Used to specify the channel to mute. + + + Which part of the recording to mute: read, write or both (from channel, to channel or both channels). + + + + This action may be used to mute a MixMonitor recording. + + + + + Unmute a Mixmonitor recording. + + + + + Used to specify the channel to unmute. + + + Which part of the recording to unmute: read, write or both (from channel, to channel or both channels). + + + + This action may be used to unmute a MixMonitor recording. + + + ***/ #define get_volfactor(x) x ? ((x > 0) ? (1 << x) : ((1 << abs(x)) * -1)) : 0 @@ -605,6 +640,75 @@ return CLI_SUCCESS; } +/*! \brief Mute / unmute a MixMonitor channel */ +static int mute_mixmonitor(struct mansession *s, const struct message *m, int muteflag) +{ + struct ast_channel *c = NULL; + + const char *name = astman_get_header(m, "Channel"); + const char *id = astman_get_header(m, "ActionID"); + const char *direction = astman_get_header(m,"Direction"); + + enum ast_audiohook_flags flag; + + if (ast_strlen_zero(direction)) { + astman_send_error(s, m, "No direction specified. Must be read, write or both"); + return AMI_SUCCESS; + } + + if (!strcasecmp(direction, "read")) { + flag = AST_AUDIOHOOK_MUTE_READ; + } else if (!strcasecmp(direction, "write")) { + flag = AST_AUDIOHOOK_MUTE_WRITE; + } else if (!strcasecmp(direction, "both")) { + flag = AST_AUDIOHOOK_MUTE_READ | AST_AUDIOHOOK_MUTE_WRITE; + } else { + astman_send_error(s, m, "Invalid direction specified. Must be read, write or both"); + return AMI_SUCCESS; + } + + if (ast_strlen_zero(name)) { + astman_send_error(s, m, "No channel specified"); + return AMI_SUCCESS; + } + + c = ast_channel_get_by_name(name); + + if (!c) { + astman_send_error(s, m, "No such channel"); + return AMI_SUCCESS; + } + + if (!ast_audiohook_set_mute(c, mixmonitor_spy_type, flag, muteflag)) { + astman_send_error(s, m, "Cannot set mute flag"); + return AMI_SUCCESS; + } + + astman_append(s, "Response: Success\r\n"); + + if (!ast_strlen_zero(id)) { + astman_append(s, "ActionID: %s\r\n", id); + } + + astman_append(s, "\r\n"); + + c = ast_channel_unref(c); + + return AMI_SUCCESS; +} + +/*! \brief Unmute a MixMonitor channel */ +static int manager_unmute_mixmonitor(struct mansession *s, const struct message *m) +{ + return mute_mixmonitor(s, m, 1); +} + +/*! \brief Mute a MixMonitor channel */ +static int manager_mute_mixmonitor(struct mansession *s, const struct message *m) +{ + return mute_mixmonitor(s, m, 0); +} + static struct ast_cli_entry cli_mixmonitor[] = { AST_CLI_DEFINE(handle_cli_mixmonitor, "Execute a MixMonitor command") }; @@ -616,6 +720,8 @@ ast_cli_unregister_multiple(cli_mixmonitor, ARRAY_LEN(cli_mixmonitor)); res = ast_unregister_application(stop_app); res |= ast_unregister_application(app); + res |= ast_manager_unregister("MuteMixMonitor"); + res |= ast_manager_unregister("UnmuteMixMonitor"); return res; } @@ -627,6 +733,8 @@ ast_cli_register_multiple(cli_mixmonitor, ARRAY_LEN(cli_mixmonitor)); res = ast_register_application_xml(app, mixmonitor_exec); res |= ast_register_application_xml(stop_app, stop_mixmonitor_exec); + res |= ast_manager_register_xml("UnmuteMixMonitor", 0, manager_unmute_mixmonitor); + res |= ast_manager_register_xml("MuteMixMonitor", 0, manager_mute_mixmonitor); return res; } Index: include/asterisk/frame.h =================================================================== --- include/asterisk/frame.h (revision 253530) +++ include/asterisk/frame.h (working copy) @@ -720,6 +720,11 @@ } } +/*! + * \brief Clear all audio samples from an ast_frame. + */ +static inline void ast_frame_clear(struct ast_frame *frame); + #if defined(__cplusplus) || defined(c_plusplus) } #endif Index: include/asterisk/audiohook.h =================================================================== --- include/asterisk/audiohook.h (revision 253530) +++ include/asterisk/audiohook.h (working copy) @@ -62,6 +62,8 @@ * slinfactories. We will flush the factories if they contain too many samples. */ AST_AUDIOHOOK_SMALL_QUEUE = (1 << 3), + AST_AUDIOHOOK_MUTE_READ = (1 << 4), /*!< audiohook should be mute frames read */ + AST_AUDIOHOOK_MUTE_WRITE = (1 << 5), /*!< audiohook should be mute frames written */ }; #define AST_AUDIOHOOK_SYNC_TOLERANCE 100 /*< Tolerance in milliseconds for audiohooks synchronization */ @@ -277,6 +279,16 @@ */ int ast_audiohook_volume_adjust(struct ast_channel *chan, enum ast_audiohook_direction direction, int volume); +/*! \brief Mute frames read from or written to a channel + * \param chan Channel to muck with + * \param source Type of audiohook + * \param flag which flag to set / clear + * \param clear set or clear + * \retval 0 success + * \retval -1 failure + */ +int ast_audiohook_set_mute(struct ast_channel *chan, const char *source, enum ast_audiohook_flags flag, int clear); + #if defined(__cplusplus) || defined(c_plusplus) } #endif Index: main/frame.c =================================================================== --- main/frame.c (revision 253530) +++ main/frame.c (working copy) @@ -1587,3 +1587,15 @@ return 0; } + +int ast_frame_clear(struct ast_frame *frame) +{ + struct ast_frame *next; + + for (next = AST_LIST_NEXT(frame, frame_list); + frame; + frame = next, next = frame ? AST_LIST_NEXT(frame, frame_list) : NULL) { + memset(frame->data.ptr, 0, frame->datalen); + } + return 0; +} Index: main/audiohook.c =================================================================== --- main/audiohook.c (revision 253530) +++ main/audiohook.c (working copy) @@ -127,7 +127,12 @@ int our_factory_ms; int other_factory_samples; int other_factory_ms; + int muteme = 0; + /* define buffer for zero data, and buffer to store original data in */ + void *mutedbuf = NULL; + void *originalbuf = NULL; + /* Update last feeding time to be current */ *rwtime = ast_tvnow(); @@ -151,6 +156,17 @@ ast_slinfactory_flush(other_factory); } + /* swap frame data for zeros if mute is required */ + if ((ast_test_flag(audiohook, AST_AUDIOHOOK_MUTE_READ) && (direction == AST_AUDIOHOOK_DIRECTION_READ)) || + (ast_test_flag(audiohook, AST_AUDIOHOOK_MUTE_WRITE) && (direction == AST_AUDIOHOOK_DIRECTION_WRITE)) || + (ast_test_flag(audiohook, AST_AUDIOHOOK_MUTE_READ | AST_AUDIOHOOK_MUTE_WRITE) == (AST_AUDIOHOOK_MUTE_READ | AST_AUDIOHOOK_MUTE_WRITE))) { + muteme = 1; + } + + if (muteme && frame->datalen > 0) { + ast_frame_clear(frame); + } + /* Write frame out to respective factory */ ast_slinfactory_feed(factory, frame); @@ -1001,3 +1017,37 @@ return 0; } + +/*! \brief Mute frames read from or written to a channel + * \param chan Channel to muck with + * \param source Type of audiohook + * \param flag which flag to set / clear + * \param clear set or clear + * \return Returns 0 on success, -1 on failure + */ +int ast_audiohook_set_mute(struct ast_channel *chan, const char *source, enum ast_audiohook_flags flag, int clear) +{ + struct ast_audiohook *audiohook = NULL; + + ast_channel_lock(chan); + + /* Ensure the channel has audiohooks on it */ + if (!chan->audiohooks) { + ast_channel_unlock(chan); + return -1; + } + + audiohook = find_audiohook_by_source(chan->audiohooks, source); + + if (audiohook) { + if (clear) { + ast_clear_flag(audiohook, flag); + } else { + ast_set_flag(audiohook, flag); + } + } + + ast_channel_unlock(chan); + + return (audiohook ? 0 : -1); +} Index: res/res_mutestream.c =================================================================== --- res/res_mutestream.c (revision 253530) +++ res/res_mutestream.c (working copy) @@ -116,19 +116,6 @@ .destroy = destroy_callback }; -/*! \brief Wipe out all audio samples from an ast_frame. Clean it. */ -static void ast_frame_clear(struct ast_frame *frame) -{ - struct ast_frame *next; - - for (next = AST_LIST_NEXT(frame, frame_list); - frame; - frame = next, next = frame ? AST_LIST_NEXT(frame, frame_list) : NULL) { - memset(frame->data.ptr, 0, frame->datalen); - } -} - - /*! \brief The callback from the audiohook subsystem. We basically get a frame to have fun with */ static int mute_callback(struct ast_audiohook *audiohook, struct ast_channel *chan, struct ast_frame *frame, enum ast_audiohook_direction direction) {