kenmirrors
/
freeswitch
mirror of https://github.com/signalwire/freeswitch.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

add switch_ivr_insert_file to insert one file into another at an arbitrary sample point

This commit is contained in:
Anthony Minessale 2010-11-30 18:22:12 -06:00
parent a669f76f78
commit 82394b3768
2 changed files with 157 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/include/switch_ivr.h
View File

@ -878,6 +878,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_dmachine_set_realm(switch_ivr_dmachin
SWITCH_DECLARE(switch_status_t) switch_ivr_get_file_handle(switch_core_session_t *session, switch_file_handle_t **fh);
SWITCH_DECLARE(switch_status_t) switch_ivr_release_file_handle(switch_core_session_t *session, switch_file_handle_t **fh);
SWITCH_DECLARE(switch_status_t) switch_ivr_process_fh(switch_core_session_t *session, const char *cmd, switch_file_handle_t *fhp);
SWITCH_DECLARE(switch_status_t) switch_ivr_insert_file(switch_core_session_t *session, const char *file, const char *insert_file, switch_size_t sample_point);
/** @} */

156
src/switch_ivr.c
View File

@ -2681,6 +2681,162 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_process_fh(switch_core_session_t *ses
}
#define START_SAMPLES 32768
SWITCH_DECLARE(switch_status_t) switch_ivr_insert_file(switch_core_session_t *session, const char *file, const char *insert_file, switch_size_t sample_point)
{
switch_file_handle_t orig_fh = { 0 };
switch_file_handle_t new_fh = { 0 };
switch_codec_implementation_t read_impl = { 0 };
char *tmp_file;
switch_uuid_t uuid;
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
int16_t *abuf = NULL;
switch_size_t olen = 0;
int asis = 0;
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_size_t sample_count = 0;
uint32_t pos = 0;
char *ext;
switch_uuid_get(&uuid);
switch_uuid_format(uuid_str, &uuid);
if ((ext = strrchr(file, '.'))) {
ext++;
} else {
ext = "wav";
}
tmp_file = switch_core_session_sprintf(session, "%s%smsg_%s.%s",
SWITCH_GLOBAL_dirs.temp_dir, SWITCH_PATH_SEPARATOR, uuid_str, ext);
switch_core_session_get_read_impl(session, &read_impl);
new_fh.channels = read_impl.number_of_channels;
new_fh.native_rate = read_impl.actual_samples_per_second;
if (switch_core_file_open(&new_fh,
tmp_file,
new_fh.channels,
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, "Failed to open file %s\n", tmp_file);
goto end;
}
if (switch_core_file_open(&orig_fh,
file,
new_fh.channels,
read_impl.actual_samples_per_second, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to open file %s\n", file);
goto end;
}
switch_zmalloc(abuf, START_SAMPLES * sizeof(*abuf));
if (switch_test_flag((&orig_fh), SWITCH_FILE_NATIVE)) {
asis = 1;
}
while (switch_channel_ready(channel)) {
olen = START_SAMPLES;
if (!asis) {
olen /= 2;
}
if ((sample_count + olen) > sample_point) {
olen = sample_point - sample_count;
}
if (!olen || switch_core_file_read(&orig_fh, abuf, &olen) != SWITCH_STATUS_SUCCESS || !olen) {
break;
}
sample_count += olen;
switch_core_file_write(&new_fh, abuf, &olen);
}
switch_core_file_close(&orig_fh);
if (switch_core_file_open(&orig_fh,
insert_file,
new_fh.channels,
read_impl.actual_samples_per_second, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to open file %s\n", file);
goto end;
}
while (switch_channel_ready(channel)) {
olen = START_SAMPLES;
if (!asis) {
olen /= 2;
}
if (switch_core_file_read(&orig_fh, abuf, &olen) != SWITCH_STATUS_SUCCESS || !olen) {
break;
}
sample_count += olen;
switch_core_file_write(&new_fh, abuf, &olen);
}
switch_core_file_close(&orig_fh);
if (switch_core_file_open(&orig_fh,
file,
new_fh.channels,
read_impl.actual_samples_per_second, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to open file %s\n", file);
goto end;
}
pos = 0;
switch_core_file_seek(&orig_fh, &pos, sample_point, SEEK_SET);
while (switch_channel_ready(channel)) {
olen = START_SAMPLES;
if (!asis) {
olen /= 2;
}
if (switch_core_file_read(&orig_fh, abuf, &olen) != SWITCH_STATUS_SUCCESS || !olen) {
break;
}
sample_count += olen;
switch_core_file_write(&new_fh, abuf, &olen);
}
end:
if (switch_test_flag((&orig_fh), SWITCH_FILE_OPEN)) {
switch_core_file_close(&orig_fh);
}
if (switch_test_flag((&new_fh), SWITCH_FILE_OPEN)) {
switch_core_file_close(&new_fh);
}
switch_file_rename(tmp_file, file, switch_core_session_get_pool(session));
unlink(tmp_file);
switch_safe_free(abuf);
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
* Local Variables: