summaryrefslogtreecommitdiff
path: root/scene/resources/audio_stream_sample.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'scene/resources/audio_stream_sample.cpp')
-rw-r--r--scene/resources/audio_stream_sample.cpp39
1 files changed, 0 insertions, 39 deletions
diff --git a/scene/resources/audio_stream_sample.cpp b/scene/resources/audio_stream_sample.cpp
index fdf5e2c2d0..b6608b47d0 100644
--- a/scene/resources/audio_stream_sample.cpp
+++ b/scene/resources/audio_stream_sample.cpp
@@ -34,7 +34,6 @@
#include "core/os/file_access.h"
void AudioStreamPlaybackSample::start(float p_from_pos) {
-
if (base->format == AudioStreamSample::FORMAT_IMA_ADPCM) {
//no seeking in IMA_ADPCM
for (int i = 0; i < 2; i++) {
@@ -57,26 +56,21 @@ void AudioStreamPlaybackSample::start(float p_from_pos) {
}
void AudioStreamPlaybackSample::stop() {
-
active = false;
}
bool AudioStreamPlaybackSample::is_playing() const {
-
return active;
}
int AudioStreamPlaybackSample::get_loop_count() const {
-
return 0;
}
float AudioStreamPlaybackSample::get_playback_position() const {
-
return float(offset >> MIX_FRAC_BITS) / base->mix_rate;
}
void AudioStreamPlaybackSample::seek(float p_time) {
-
if (base->format == AudioStreamSample::FORMAT_IMA_ADPCM)
return; //no seeking in ima-adpcm
@@ -92,7 +86,6 @@ void AudioStreamPlaybackSample::seek(float p_time) {
template <class Depth, bool is_stereo, bool is_ima_adpcm>
void AudioStreamPlaybackSample::do_resample(const Depth *p_src, AudioFrame *p_dst, int64_t &offset, int32_t &increment, uint32_t amount, IMA_ADPCM_State *ima_adpcm) {
-
// this function will be compiled branchless by any decent compiler
int32_t final, final_r, next, next_r;
@@ -103,11 +96,9 @@ void AudioStreamPlaybackSample::do_resample(const Depth *p_src, AudioFrame *p_ds
pos <<= 1;
if (is_ima_adpcm) {
-
int64_t sample_pos = pos + ima_adpcm[0].window_ofs;
while (sample_pos > ima_adpcm[0].last_nibble) {
-
static const int16_t _ima_adpcm_step_table[89] = {
7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
@@ -126,7 +117,6 @@ void AudioStreamPlaybackSample::do_resample(const Depth *p_src, AudioFrame *p_ds
};
for (int i = 0; i < (is_stereo ? 2 : 1); i++) {
-
int16_t nibble, diff, step;
ima_adpcm[i].last_nibble++;
@@ -161,7 +151,6 @@ void AudioStreamPlaybackSample::do_resample(const Depth *p_src, AudioFrame *p_ds
/* store loop if there */
if (ima_adpcm[i].last_nibble == ima_adpcm[i].loop_pos) {
-
ima_adpcm[i].loop_step_index = ima_adpcm[i].step_index;
ima_adpcm[i].loop_predictor = ima_adpcm[i].predictor;
}
@@ -187,7 +176,6 @@ void AudioStreamPlaybackSample::do_resample(const Depth *p_src, AudioFrame *p_ds
}
if (is_stereo) {
-
next = p_src[pos + 2];
next_r = p_src[pos + 3];
} else {
@@ -220,7 +208,6 @@ void AudioStreamPlaybackSample::do_resample(const Depth *p_src, AudioFrame *p_ds
}
void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) {
-
if (!base->data || !active) {
for (int i = 0; i < p_frames; i++) {
p_buffer[i] = AudioFrame(0, 0);
@@ -279,7 +266,6 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
AudioFrame *dst_buff = p_buffer;
if (format == AudioStreamSample::FORMAT_IMA_ADPCM) {
-
if (loop_format != AudioStreamSample::LOOP_DISABLED) {
ima_adpcm[0].loop_pos = loop_begin_fp >> MIX_FRAC_BITS;
ima_adpcm[1].loop_pos = loop_begin_fp >> MIX_FRAC_BITS;
@@ -288,7 +274,6 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
}
while (todo > 0) {
-
int64_t limit = 0;
int32_t target = 0, aux = 0;
@@ -311,7 +296,6 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
} else {
/* check for sample not reaching beginning */
if (offset < 0) {
-
active = false;
break;
}
@@ -343,7 +327,6 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
} else {
/* no loop, check for end of sample */
if (offset >= length_fp) {
-
active = false;
break;
}
@@ -369,7 +352,6 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
switch (base->format) {
case AudioStreamSample::FORMAT_8_BITS: {
-
if (is_stereo)
do_resample<int8_t, true, false>((int8_t *)data, dst_buff, offset, increment, target, ima_adpcm);
else
@@ -404,7 +386,6 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
}
AudioStreamPlaybackSample::AudioStreamPlaybackSample() {
-
active = false;
offset = 0;
sign = 1;
@@ -413,62 +394,49 @@ AudioStreamPlaybackSample::AudioStreamPlaybackSample() {
/////////////////////
void AudioStreamSample::set_format(Format p_format) {
-
format = p_format;
}
AudioStreamSample::Format AudioStreamSample::get_format() const {
-
return format;
}
void AudioStreamSample::set_loop_mode(LoopMode p_loop_mode) {
-
loop_mode = p_loop_mode;
}
AudioStreamSample::LoopMode AudioStreamSample::get_loop_mode() const {
-
return loop_mode;
}
void AudioStreamSample::set_loop_begin(int p_frame) {
-
loop_begin = p_frame;
}
int AudioStreamSample::get_loop_begin() const {
-
return loop_begin;
}
void AudioStreamSample::set_loop_end(int p_frame) {
-
loop_end = p_frame;
}
int AudioStreamSample::get_loop_end() const {
-
return loop_end;
}
void AudioStreamSample::set_mix_rate(int p_hz) {
-
ERR_FAIL_COND(p_hz == 0);
mix_rate = p_hz;
}
int AudioStreamSample::get_mix_rate() const {
-
return mix_rate;
}
void AudioStreamSample::set_stereo(bool p_enable) {
-
stereo = p_enable;
}
bool AudioStreamSample::is_stereo() const {
-
return stereo;
}
float AudioStreamSample::get_length() const {
-
int len = data_bytes;
switch (format) {
case AudioStreamSample::FORMAT_8_BITS:
@@ -490,7 +458,6 @@ float AudioStreamSample::get_length() const {
}
void AudioStreamSample::set_data(const Vector<uint8_t> &p_data) {
-
AudioServer::get_singleton()->lock();
if (data) {
memfree(data);
@@ -500,7 +467,6 @@ void AudioStreamSample::set_data(const Vector<uint8_t> &p_data) {
int datalen = p_data.size();
if (datalen) {
-
const uint8_t *r = p_data.ptr();
int alloc_len = datalen + DATA_PAD * 2;
data = memalloc(alloc_len); //alloc with some padding for interpolation
@@ -513,13 +479,11 @@ void AudioStreamSample::set_data(const Vector<uint8_t> &p_data) {
AudioServer::get_singleton()->unlock();
}
Vector<uint8_t> AudioStreamSample::get_data() const {
-
Vector<uint8_t> pv;
if (data) {
pv.resize(data_bytes);
{
-
uint8_t *w = pv.ptrw();
uint8_t *dataptr = (uint8_t *)data;
copymem(w, dataptr + DATA_PAD, data_bytes);
@@ -610,7 +574,6 @@ Error AudioStreamSample::save_to_wav(const String &p_path) {
}
Ref<AudioStreamPlayback> AudioStreamSample::instance_playback() {
-
Ref<AudioStreamPlaybackSample> sample;
sample.instance();
sample->base = Ref<AudioStreamSample>(this);
@@ -618,12 +581,10 @@ Ref<AudioStreamPlayback> AudioStreamSample::instance_playback() {
}
String AudioStreamSample::get_stream_name() const {
-
return "";
}
void AudioStreamSample::_bind_methods() {
-
ClassDB::bind_method(D_METHOD("set_data", "data"), &AudioStreamSample::set_data);
ClassDB::bind_method(D_METHOD("get_data"), &AudioStreamSample::get_data);