add record_waste_resources channel variable to send blank audio during recording...

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13144 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/switch_ivr_play_say.c b/src/switch_ivr_play_say.c
index e485eab536dcf3c16d42eb18f7312e6c6f5b19c0..f5bc9e538aac9e8329b4dbca24277385973488f3 100644 (file)
--- a/src/switch_ivr_play_say.c
+++ b/src/switch_ivr_play_say.c
@@ -381,7 +381,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_file(switch_core_session_t *se
        switch_dtmf_t dtmf = { 0 };
        switch_file_handle_t lfh = { 0 };
        switch_frame_t *read_frame;
-       switch_codec_t codec;
+       switch_codec_t codec, write_codec = { 0 };
        char *codec_name;
        switch_status_t status = SWITCH_STATUS_SUCCESS;
        const char *p;
@@ -389,7 +389,12 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_file(switch_core_session_t *se
        time_t start = 0;
        uint32_t org_silence_hits = 0;
        int asis = 0;
+       int waste_resources = 0;
     switch_codec_implementation_t read_impl = {0};
+       switch_frame_t write_frame = { 0 };
+       char write_buf[SWITCH_RECOMMENDED_BUFFER_SIZE];
+
+
     switch_core_session_get_read_impl(session, &read_impl);
 
        if (!switch_channel_ready(channel)) {
@@ -411,8 +416,29 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_file(switch_core_session_t *se
        fh->channels = read_impl.number_of_channels;
        fh->native_rate = read_impl.actual_samples_per_second;
 
+       if ((vval = switch_channel_get_variable(channel, "record_waste_resources")) && switch_true(vval)) {
+       
+               if (switch_core_codec_init(&write_codec,
+                                                                  "L16",
+                                                                  NULL,
+                                                                  read_impl.actual_samples_per_second,
+                                                                  read_impl.microseconds_per_packet / 1000,
+                                                                  read_impl.number_of_channels,
+                                                                  SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, NULL,
+                                                                  switch_core_session_get_pool(session)) == SWITCH_STATUS_SUCCESS) {
+                       switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Raw Codec Activated, ready to waste resources!\n");
+                       write_frame.data = write_buf;
+                       write_frame.buflen = sizeof(write_buf);
+                       write_frame.datalen = read_impl.decoded_bytes_per_packet;
+                       write_frame.samples = write_frame.datalen / 2;
+                       write_frame.codec = &write_codec;
+               } else {
+                       return SWITCH_STATUS_FALSE;
+               }
 
-
+               waste_resources = 1;
+       }
+       
        if (!strstr(file, SWITCH_URL_SEPARATOR)) {
                char *ext;
                const char *prefix;
@@ -632,6 +658,17 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_file(switch_core_session_t *se
                                break;
                        }
                }
+
+               if (waste_resources) {
+                       if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
+                               break;
+                       }
+               }
+
+       }
+
+       if (waste_resources) {
+               switch_core_codec_destroy(&write_codec);
        }
 
        switch_channel_set_variable_printf(channel, "record_ms", "%d", fh->samples_in / read_impl.samples_per_second);