/**
* Seek file
*/
static switch_status_t fileman_file_seek(switch_file_handle_t *handle, unsigned int *cur_sample, int64_t samples, int whence)
{
struct fileman_file_context *context = handle->private_info;
if (!handle->seekable) {
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_WARNING, "File is not seekable\n");
return SWITCH_STATUS_NOTIMPL;
}
return switch_core_file_seek(&context->fh, cur_sample, samples, whence);
}
/**
* Seek file
*/
static switch_status_t ssml_file_seek(switch_file_handle_t *handle, unsigned int *cur_sample, int64_t samples, int whence)
{
struct ssml_context *context = handle->private_info;
if (samples == 0 && whence == SWITCH_SEEK_SET) {
/* restart from beginning */
context->index = -1;
return next_file(handle);
}
if (!handle->seekable) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "File is not seekable\n");
return SWITCH_STATUS_NOTIMPL;
}
return switch_core_file_seek(&context->fh, cur_sample, samples, whence);
}
/**
* Wraps file with interface that can be controlled by fileman flags
* @param handle
* @param path the file to play
* @return SWITCH_STATUS_SUCCESS if opened
*/
static switch_status_t fileman_file_open(switch_file_handle_t *handle, const char *path)
{
int start_offset_ms = 0;
switch_status_t status = SWITCH_STATUS_FALSE;
struct fileman_file_context *context = switch_core_alloc(handle->memory_pool, sizeof(*context));
handle->private_info = context;
if (handle->params) {
const char *id = switch_event_get_header(handle->params, "id");
const char *uuid = switch_event_get_header(handle->params, "session");
const char *start_offset_ms_str = switch_event_get_header(handle->params, "start_offset_ms");
if (!zstr(id)) {
context->id = switch_core_strdup(handle->memory_pool, id);
}
if (!zstr(uuid)) {
context->uuid = switch_core_strdup(handle->memory_pool, uuid);
}
if (!zstr(start_offset_ms_str) && switch_is_number(start_offset_ms_str)) {
start_offset_ms = atoi(start_offset_ms_str);
if (start_offset_ms < 0) {
start_offset_ms = 0;
}
}
}
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Got path %s\n", path);
if ((status = switch_core_file_open(&context->fh, path, handle->channels, handle->samplerate, handle->flags, NULL)) != SWITCH_STATUS_SUCCESS) {
return status;
}
/* set up handle for external control */
if (!context->id) {
/* use filename as ID */
context->id = switch_core_strdup(handle->memory_pool, path);
}
switch_mutex_lock(fileman_globals.mutex);
if (!switch_core_hash_find(fileman_globals.hash, context->id)) {
switch_core_hash_insert(fileman_globals.hash, context->id, handle);
} else {
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_WARNING, "Duplicate fileman ID: %s\n", context->id);
return SWITCH_STATUS_FALSE;
}
switch_mutex_unlock(fileman_globals.mutex);
context->max_frame_len = (handle->samplerate / 1000 * SWITCH_MAX_INTERVAL);
switch_zmalloc(context->abuf, FILE_STARTBYTES * sizeof(*context->abuf));
if (!context->fh.audio_buffer) {
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "Create audio buffer\n");
switch_buffer_create_dynamic(&context->fh.audio_buffer, FILE_BLOCKSIZE, FILE_BUFSIZE, 0);
switch_assert(context->fh.audio_buffer);
}
handle->samples = context->fh.samples;
handle->format = context->fh.format;
handle->sections = context->fh.sections;
handle->seekable = context->fh.seekable;
handle->speed = context->fh.speed;
handle->vol = context->fh.vol;
handle->offset_pos = context->fh.offset_pos;
handle->interval = context->fh.interval;
if (switch_test_flag((&context->fh), SWITCH_FILE_NATIVE)) {
switch_set_flag(handle, SWITCH_FILE_NATIVE);
} else {
switch_clear_flag(handle, SWITCH_FILE_NATIVE);
}
if (handle->params && switch_true(switch_event_get_header(handle->params, "pause"))) {
switch_set_flag(handle, SWITCH_FILE_PAUSE);
}
if (handle->seekable && start_offset_ms) {
unsigned int pos = 0;
int32_t target = start_offset_ms * (handle->samplerate / 1000);
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "seek to position %d\n", target);
switch_core_file_seek(&context->fh, &pos, target, SEEK_SET);
}
return status;
}
/**
* Process fileman command
*/
static switch_status_t fileman_process_cmd(const char *cmd, switch_file_handle_t *fhp)
{
if (zstr(cmd)) {
return SWITCH_STATUS_SUCCESS;
}
if (fhp) {
struct fileman_file_context *context = (struct fileman_file_context *)fhp->private_info;
if (!switch_test_flag(fhp, SWITCH_FILE_OPEN)) {
return SWITCH_STATUS_FALSE;
}
if (!strncasecmp(cmd, "speed", 5)) {
char *p;
if ((p = strchr(cmd, ':'))) {
p++;
if (*p == '+' || *p == '-') {
int step;
if (!(step = atoi(p))) {
if (*p == '+') {
step = 1;
} else {
step = -1;
}
}
fhp->speed += step;
} else {
int speed = atoi(p);
fhp->speed = speed;
}
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
} else if (!strncasecmp(cmd, "volume", 6)) {
char *p;
if ((p = strchr(cmd, ':'))) {
p++;
if (*p == '+' || *p == '-') {
int step;
if (!(step = atoi(p))) {
if (*p == '+') {
step = 1;
} else {
step = -1;
}
}
fhp->vol += step;
} else {
int vol = atoi(p);
fhp->vol = vol;
}
return SWITCH_STATUS_SUCCESS;
}
if (fhp->vol) {
switch_normalize_volume(fhp->vol);
}
return SWITCH_STATUS_FALSE;
} else if (!strcasecmp(cmd, "pause")) {
switch_set_flag(fhp, SWITCH_FILE_PAUSE);
return SWITCH_STATUS_SUCCESS;
} else if (!strcasecmp(cmd, "resume")) {
switch_clear_flag(fhp, SWITCH_FILE_PAUSE);
return SWITCH_STATUS_SUCCESS;
} else if (!strcasecmp(cmd, "stop")) {
switch_set_flag(fhp, SWITCH_FILE_DONE);
return SWITCH_STATUS_FALSE;
} else if (!strcasecmp(cmd, "truncate")) {
switch_core_file_truncate(fhp, 0);
} else if (!strcasecmp(cmd, "restart")) {
unsigned int pos = 0;
fhp->speed = 0;
switch_core_file_seek(fhp, &pos, 0, SEEK_SET);
return SWITCH_STATUS_SUCCESS;
} else if (!strncasecmp(cmd, "seek", 4)) {
unsigned int samps = 0;
unsigned int pos = 0;
char *p;
if ((p = strchr(cmd, ':'))) {
p++;
if (*p == '+' || *p == '-') {
int step;
int32_t target;
if (!(step = atoi(p))) {
if (*p == '+') {
step = 1000;
} else {
step = -1000;
}
}
samps = step * (fhp->samplerate / 1000);
target = (int32_t)fhp->pos + samps;
if (target < 0) {
target = 0;
}
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "seek to position %d\n", target);
switch_core_file_seek(fhp, &pos, target, SEEK_SET);
} else {
samps = switch_atoui(p) * (fhp->samplerate / 1000);
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(context->uuid), SWITCH_LOG_DEBUG, "seek to position %d\n", samps);
switch_core_file_seek(fhp, &pos, samps, SEEK_SET);
}
}
return SWITCH_STATUS_SUCCESS;
}
}
if (!strcmp(cmd, "true") || !strcmp(cmd, "undefined")) {
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(switch_status_t) CoreSession::process_callback_result(char *result)
{
this_check(SWITCH_STATUS_FALSE);
sanity_check(SWITCH_STATUS_FALSE);
if (zstr(result)) {
return SWITCH_STATUS_SUCCESS;
}
if (fhp) {
if (!switch_test_flag(fhp, SWITCH_FILE_OPEN)) {
return SWITCH_STATUS_FALSE;
}
if (!strncasecmp(result, "speed", 5)) {
char *p;
if ((p = strchr(result, ':'))) {
p++;
if (*p == '+' || *p == '-') {
int step;
if (!(step = atoi(p))) {
step = 1;
}
fhp->speed += step;
} else {
int speed = atoi(p);
fhp->speed = speed;
}
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
} else if (!strncasecmp(result, "volume", 6)) {
char *p;
if ((p = strchr(result, ':'))) {
p++;
if (*p == '+' || *p == '-') {
int step;
if (!(step = atoi(p))) {
step = 1;
}
fhp->vol += step;
} else {
int vol = atoi(p);
fhp->vol = vol;
}
return SWITCH_STATUS_SUCCESS;
}
if (fhp->vol) {
switch_normalize_volume(fhp->vol);
}
return SWITCH_STATUS_FALSE;
} else if (!strcasecmp(result, "pause")) {
if (switch_test_flag(fhp, SWITCH_FILE_PAUSE)) {
switch_clear_flag(fhp, SWITCH_FILE_PAUSE);
} else {
switch_set_flag(fhp, SWITCH_FILE_PAUSE);
}
return SWITCH_STATUS_SUCCESS;
} else if (!strcasecmp(result, "stop")) {
return SWITCH_STATUS_FALSE;
} else if (!strcasecmp(result, "truncate")) {
switch_core_file_truncate(fhp, 0);
} else if (!strcasecmp(result, "restart")) {
unsigned int pos = 0;
fhp->speed = 0;
switch_core_file_seek(fhp, &pos, 0, SEEK_SET);
return SWITCH_STATUS_SUCCESS;
} else if (!strncasecmp(result, "seek", 4)) {
switch_codec_t *codec;
unsigned int samps = 0;
unsigned int pos = 0;
char *p;
codec = switch_core_session_get_read_codec(session);
if ((p = strchr(result, ':'))) {
p++;
if (*p == '+' || *p == '-') {
int step;
int32_t target;
if (!(step = atoi(p))) {
step = 1000;
}
samps = step * (codec->implementation->samples_per_second / 1000);
target = (int32_t)fhp->pos + samps;
if (target < 0) {
target = 0;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "seek to position %d\n", target);
switch_core_file_seek(fhp, &pos, target, SEEK_SET);
} else {
samps = atoi(p) * (codec->implementation->samples_per_second / 1000);
if (samps < 0) {
samps = 0;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "seek to position %d\n", samps);
switch_core_file_seek(fhp, &pos, samps, SEEK_SET);
}
}
return SWITCH_STATUS_SUCCESS;
}
}
if (!strcmp(result, "true") || !strcmp(result, "undefined")) {
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
