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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6706 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale committed 2007-12-12 21:30:55 +00:00
1 parent 2ff5e3ec40
commit 44636d333f
11 files changed
+239 -70
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src/switch_core_file.c
+119 -7
View File
@@ -73,10 +73,10 @@ SWITCH_DECLARE(switch_status_t) switch_core_file_open(switch_file_handle_t *fh,
fh->handler = switch_core_strdup(fh->memory_pool, rhs);
}
if (rate) {
fh->samplerate = rate;
} else {
rate = 8000;
if (!fh->samplerate) {
if (!(fh->samplerate = rate)) {
fh->samplerate = 8000;
}
}
if (channels) {
@@ -85,25 +85,130 @@ SWITCH_DECLARE(switch_status_t) switch_core_file_open(switch_file_handle_t *fh,
fh->channels = 1;
}
if ((status = fh->file_interface->file_open(fh, file_path)) == SWITCH_STATUS_SUCCESS) {
switch_set_flag(fh, SWITCH_FILE_OPEN);
if ((status = fh->file_interface->file_open(fh, file_path)) != SWITCH_STATUS_SUCCESS) {
return status;
}
if ((flags & SWITCH_FILE_FLAG_READ)) {
fh->native_rate = fh->samplerate;
} else {
fh->native_rate = rate;
}
if (fh->samplerate != rate) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Sample rate doesn't match\n");
if ((flags & SWITCH_FILE_FLAG_READ)) {
fh->samplerate = rate;
}
}
switch_set_flag(fh, SWITCH_FILE_OPEN);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_file_read(switch_file_handle_t *fh, void *data, switch_size_t *len)
{
switch_status_t status;
switch_size_t orig_len = *len;
switch_assert(fh != NULL);
switch_assert(fh->file_interface != NULL);
return fh->file_interface->file_read(fh, data, len);
if (fh->buffer && switch_buffer_inuse(fh->buffer)) {
*len = switch_buffer_read(fh->buffer, data, orig_len);
return SWITCH_STATUS_SUCCESS;
}
if ((status = fh->file_interface->file_read(fh, data, len)) != SWITCH_STATUS_SUCCESS) {
goto done;
}
if (!switch_test_flag(fh, SWITCH_FILE_NATIVE) && fh->native_rate != fh->samplerate) {
if (!fh->resampler) {
if (switch_resample_create(&fh->resampler,
fh->native_rate,
orig_len * 10,
fh->samplerate,
orig_len * 10,
fh->memory_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Unable to create resampler!\n");
return SWITCH_STATUS_GENERR;
}
}
fh->resampler->from_len = switch_short_to_float(data, fh->resampler->from, (int) *len);
fh->resampler->to_len =
switch_resample_process(fh->resampler, fh->resampler->from, fh->resampler->from_len, fh->resampler->to, fh->resampler->to_size, 0);
if (fh->resampler->to_len > orig_len) {
if (!fh->buffer) {
switch_buffer_create_dynamic(&fh->buffer, fh->resampler->to_len * 2, fh->resampler->to_len * 4, fh->resampler->to_len * 8);
switch_assert(fh->buffer);
}
if (!fh->dbuf) {
fh->dbuflen = fh->resampler->to_len * 2;
fh->dbuf = switch_core_alloc(fh->memory_pool, fh->dbuflen);
}
switch_assert(fh->resampler->to_len <= fh->dbuflen);
switch_float_to_short(fh->resampler->to, (int16_t *) fh->dbuf, fh->resampler->to_len);
switch_buffer_write(fh->buffer, fh->dbuf, fh->resampler->to_len * 2);
*len = switch_buffer_read(fh->buffer, data, orig_len);
} else {
switch_float_to_short(fh->resampler->to, data, fh->resampler->to_len);
*len = fh->resampler->to_len;
}
}
done:
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_file_write(switch_file_handle_t *fh, void *data, switch_size_t *len)
{
switch_size_t orig_len = *len;
switch_assert(fh != NULL);
switch_assert(fh->file_interface != NULL);
if (!switch_test_flag(fh, SWITCH_FILE_NATIVE) && fh->native_rate != fh->samplerate) {
if (!fh->resampler) {
if (switch_resample_create(&fh->resampler,
fh->native_rate,
orig_len * 10,
fh->samplerate,
orig_len * 10,
fh->memory_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Unable to create resampler!\n");
return SWITCH_STATUS_GENERR;
}
}
fh->resampler->from_len = switch_short_to_float(data, fh->resampler->from, (int) *len);
fh->resampler->to_len =
switch_resample_process(fh->resampler, fh->resampler->from, fh->resampler->from_len, fh->resampler->to, fh->resampler->to_size, 0);
if (fh->resampler->to_len > orig_len) {
if (!fh->dbuf) {
fh->dbuflen = fh->resampler->to_len * 2;
fh->dbuf = switch_core_alloc(fh->memory_pool, fh->dbuflen);
}
switch_assert(fh->resampler->to_len <= fh->dbuflen);
switch_float_to_short(fh->resampler->to, (int16_t *) fh->dbuf, fh->resampler->to_len);
data = fh->dbuf;
} else {
switch_float_to_short(fh->resampler->to, data, fh->resampler->to_len);
}
*len = fh->resampler->to_len;
}
if (!*len) {
return SWITCH_STATUS_SUCCESS;
}
return fh->file_interface->file_write(fh, data, len);
}
@@ -151,6 +256,13 @@ SWITCH_DECLARE(switch_status_t) switch_core_file_close(switch_file_handle_t *fh)
switch_clear_flag(fh, SWITCH_FILE_OPEN);
status = fh->file_interface->file_close(fh);
if (fh->buffer) {
switch_buffer_destroy(&fh->buffer);
}
switch_resample_destroy(&fh->resampler);
if (switch_test_flag(fh, SWITCH_FILE_FLAG_FREE_POOL)) {
switch_core_destroy_memory_pool(&fh->memory_pool);
}