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add append and truncate to audio file api 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15503 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2009-11-17 21:40:09 +00:00
parent 5d55996fa0
commit 9cf0d7f846
13 changed files with 115 additions and 10 deletions
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2
src/include/switch_apr.h
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@ -786,6 +786,8 @@ SWITCH_DECLARE(switch_status_t) switch_file_copy(const char *from_path,
*/
SWITCH_DECLARE(switch_status_t) switch_file_close(switch_file_t *thefile);
SWITCH_DECLARE(switch_status_t) switch_file_trunc(switch_file_t *thefile, int64_t offset);
SWITCH_DECLARE(switch_status_t) switch_file_lock(switch_file_t *thefile, int type);
/**

4
src/include/switch_core.h
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@ -1505,6 +1505,10 @@ SWITCH_DECLARE(switch_status_t) switch_core_file_get_string(_In_ switch_file_han
\return SWITCH_STATUS_SUCCESS if the file handle was closed
*/
SWITCH_DECLARE(switch_status_t) switch_core_file_close(_In_ switch_file_handle_t *fh);
SWITCH_DECLARE(switch_status_t) switch_core_file_truncate(switch_file_handle_t *fh, int64_t offset);
///\}
///\defgroup speech ASR/TTS Functions

2
src/include/switch_module_interfaces.h
View File

@ -262,6 +262,8 @@ struct switch_file_interface {
switch_status_t (*file_open) (switch_file_handle_t *, const char *file_path);
/*! function to close the file */
switch_status_t (*file_close) (switch_file_handle_t *);
/*! function to close the file */
switch_status_t (*file_truncate) (switch_file_handle_t *, int64_t offset);
/*! function to read from the file */
switch_status_t (*file_read) (switch_file_handle_t *, void *data, switch_size_t *len);
/*! function to write from the file */

3
src/include/switch_types.h
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@ -1166,7 +1166,8 @@ typedef enum {
SWITCH_FILE_OPEN = (1 << 11),
SWITCH_FILE_CALLBACK = (1 << 12),
SWITCH_FILE_DONE = (1 << 13),
SWITCH_FILE_BUFFER_DONE = (1 << 14)
SWITCH_FILE_BUFFER_DONE = (1 << 14),
SWITCH_FILE_WRITE_APPEND = (1 << 15)
} switch_file_flag_enum_t;
typedef uint32_t switch_file_flag_t;

28
src/mod/formats/mod_native_file/mod_native_file.c
View File

@ -57,7 +57,13 @@ static switch_status_t native_file_file_open(switch_file_handle_t *handle, const
}
if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
flags |= SWITCH_FOPEN_WRITE | SWITCH_FOPEN_CREATE | SWITCH_FOPEN_TRUNCATE;
flags |= SWITCH_FOPEN_WRITE | SWITCH_FOPEN_CREATE;
if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND)) {
flags |= SWITCH_FOPEN_READ;
} else {
flags |= SWITCH_FOPEN_TRUNCATE;
}
}
if (switch_test_flag(handle, SWITCH_FILE_FLAG_READ)) {
@ -69,6 +75,12 @@ static switch_status_t native_file_file_open(switch_file_handle_t *handle, const
return SWITCH_STATUS_GENERR;
}
if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND)) {
int64_t samples = 0;
switch_file_seek(context->fd, SEEK_END, &samples);
handle->pos = samples;
}
handle->samples = 0;
handle->samplerate = 8000;
handle->channels = 1;
@ -84,6 +96,19 @@ static switch_status_t native_file_file_open(switch_file_handle_t *handle, const
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t native_file_file_truncate(switch_file_handle_t *handle, int64_t offset)
{
native_file_context *context = handle->private_info;
switch_status_t status;
if ((status = switch_file_trunc(context->fd, offset)) == SWITCH_STATUS_SUCCESS) {
handle->pos = 0;
}
return status;
}
static switch_status_t native_file_file_close(switch_file_handle_t *handle)
{
native_file_context *context = handle->private_info;
@ -161,6 +186,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_native_file_load)
file_interface->extens = supported_formats;
file_interface->file_open = native_file_file_open;
file_interface->file_close = native_file_file_close;
file_interface->file_truncate = native_file_file_truncate;
file_interface->file_read = native_file_file_read;
file_interface->file_write = native_file_file_write;
file_interface->file_seek = native_file_file_seek;

3
src/mod/formats/mod_shout/mod_shout.c
View File

@ -626,6 +626,9 @@ static switch_status_t shout_file_open(switch_file_handle_t *handle, const char
}
} else if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Appending to MP3 not supported.\n");
}
if (!(context->gfp = lame_init())) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n");
goto error;

27
src/mod/formats/mod_sndfile/mod_sndfile.c
View File

@ -83,7 +83,11 @@ static switch_status_t sndfile_file_open(switch_file_handle_t *handle, const cha
}
if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
mode += SFM_WRITE;
if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND)) {
mode += SFM_RDWR;
} else {
mode += SFM_WRITE;
}
}
if (!mode) {
@ -98,8 +102,6 @@ static switch_status_t sndfile_file_open(switch_file_handle_t *handle, const cha
map = switch_core_hash_find(globals.format_hash, ext);
if (mode & SFM_WRITE) {
sf_count_t frames = 0;
context->sfinfo.channels = handle->channels;
context->sfinfo.samplerate = handle->samplerate;
if (handle->samplerate == 8000 || handle->samplerate == 16000 ||
@ -107,8 +109,6 @@ static switch_status_t sndfile_file_open(switch_file_handle_t *handle, const cha
handle->samplerate == 11025 || handle->samplerate == 22050 || handle->samplerate == 44100) {
context->sfinfo.format |= SF_FORMAT_PCM_16;
}
sf_command(context->handle, SFC_FILE_TRUNCATE, &frames, sizeof(frames));
}
if (map) {
@ -206,6 +206,14 @@ static switch_status_t sndfile_file_open(switch_file_handle_t *handle, const cha
handle->speed = 0;
handle->private_info = context;
if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND)) {
handle->pos = sf_seek(context->handle, 0, SEEK_END);
} else {
sf_count_t frames = 0;
sf_command(context->handle, SFC_FILE_TRUNCATE, &frames, sizeof(frames));
}
end:
switch_safe_free(alt_path);
@ -214,6 +222,14 @@ static switch_status_t sndfile_file_open(switch_file_handle_t *handle, const cha
return status;
}
static switch_status_t sndfile_file_truncate(switch_file_handle_t *handle, int64_t offset)
{
sndfile_context *context = handle->private_info;
sf_command(context->handle, SFC_FILE_TRUNCATE, &offset, sizeof(offset));
handle->pos = 0;
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sndfile_file_close(switch_file_handle_t *handle)
{
sndfile_context *context = handle->private_info;
@ -416,6 +432,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_sndfile_load)
file_interface->extens = supported_formats;
file_interface->file_open = sndfile_file_open;
file_interface->file_close = sndfile_file_close;
file_interface->file_truncate = sndfile_file_truncate;
file_interface->file_read = sndfile_file_read;
file_interface->file_write = sndfile_file_write;
file_interface->file_seek = sndfile_file_seek;

2
src/mod/languages/mod_spidermonkey/mod_spidermonkey.c
View File

@ -1247,6 +1247,8 @@ static switch_status_t js_stream_input_callback(switch_core_session_t *session,
switch_set_flag(fh, SWITCH_FILE_PAUSE);
}
return SWITCH_STATUS_SUCCESS;
} else if (!strcasecmp(ret, "truncate")) {
switch_core_file_truncate(fh, 0);
} else if (!strcasecmp(ret, "restart")) {
uint32_t pos = 0;
fh->speed = 0;

5
src/switch_apr.c
View File

@ -420,6 +420,11 @@ SWITCH_DECLARE(switch_status_t) switch_file_close(switch_file_t *thefile)
return apr_file_close(thefile);
}
SWITCH_DECLARE(switch_status_t) switch_file_trunc(switch_file_t *thefile, int64_t offset)
{
return apr_file_trunc(thefile, offset);
}
SWITCH_DECLARE(switch_status_t) switch_file_lock(switch_file_t *thefile, int type)
{
return apr_file_lock(thefile, type);

30
src/switch_core_file.c
View File

@ -475,6 +475,36 @@ SWITCH_DECLARE(switch_status_t) switch_core_file_get_string(switch_file_handle_t
return fh->file_interface->file_get_string(fh, col, string);
}
SWITCH_DECLARE(switch_status_t) switch_core_file_truncate(switch_file_handle_t *fh, int64_t offset)
{
switch_status_t status;
switch_assert(fh != NULL);
switch_assert(fh->file_interface != NULL);
if (!(switch_test_flag(fh, SWITCH_FILE_OPEN) && switch_test_flag(fh, SWITCH_FILE_FLAG_WRITE))) {
return SWITCH_STATUS_FALSE;
}
if (!fh->file_interface->file_truncate) {
return SWITCH_STATUS_FALSE;
}
if ((status=fh->file_interface->file_truncate(fh, offset)) == SWITCH_STATUS_SUCCESS) {
if (fh->buffer) {
switch_buffer_zero(fh->buffer);
}
if (fh->pre_buffer) {
switch_buffer_zero(fh->pre_buffer);
}
fh->samples_out = 0;
fh->pos = 0;
}
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_file_close(switch_file_handle_t *fh)
{
switch_status_t status;

2
src/switch_cpp.cpp
View File

@ -1275,6 +1275,8 @@ SWITCH_DECLARE(switch_status_t) CoreSession::process_callback_result(char *resul
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;

9
src/switch_ivr_async.c
View File

@ -879,7 +879,8 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_session(switch_core_session_t
uint8_t channels;
switch_codec_implementation_t read_impl = {0};
struct record_helper *rh = NULL;
int file_flags = SWITCH_FILE_FLAG_WRITE | SWITCH_FILE_DATA_SHORT;
switch_core_session_get_read_impl(session, &read_impl);
if ((status = switch_channel_pre_answer(channel)) != SWITCH_STATUS_SUCCESS) {
@ -922,6 +923,10 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_session(switch_core_session_t
flags |= SMBF_ANSWER_REQ;
}
if ((p = switch_channel_get_variable(channel, "RECORD_APPEND")) && switch_true(p)) {
file_flags |= SWITCH_FILE_WRITE_APPEND;
}
fh->samplerate = 0;
if ((vval = switch_channel_get_variable(channel, "record_sample_rate"))) {
@ -971,7 +976,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_session(switch_core_session_t
file,
channels,
read_impl.actual_samples_per_second,
SWITCH_FILE_FLAG_WRITE | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
file_flags, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error opening %s\n", file);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
switch_core_session_reset(session, SWITCH_TRUE, SWITCH_TRUE);

8
src/switch_ivr_play_say.c
View File

@ -398,6 +398,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_file(switch_core_session_t *se
unsigned char write_buf[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
switch_event_t *event;
int divisor = 0;
int file_flags = SWITCH_FILE_FLAG_WRITE | SWITCH_FILE_DATA_SHORT;
switch_core_session_get_read_impl(session, &read_impl);
@ -505,11 +506,16 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_record_file(switch_core_session_t *se
fh->pre_buffer_datalen = SWITCH_DEFAULT_FILE_BUFFER_LEN;
}
if ((p = switch_channel_get_variable(channel, "RECORD_APPEND")) && switch_true(p)) {
file_flags |= SWITCH_FILE_WRITE_APPEND;
}
if (switch_core_file_open(fh,
file,
fh->channels,
read_impl.actual_samples_per_second,
SWITCH_FILE_FLAG_WRITE | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
file_flags, NULL) != SWITCH_STATUS_SUCCESS) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
switch_core_session_reset(session, SWITCH_TRUE, SWITCH_TRUE);
return SWITCH_STATUS_GENERR;