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Expose audio streams get_length()

3.1
MrCdK 2018-01-22 20:35:33 +07:00
parent f4d67433e7
commit 8a9f1c2a5d
6 changed files with 49 additions and 39 deletions
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12
modules/stb_vorbis/audio_stream_ogg_vorbis.cpp
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@ -115,7 +115,7 @@ void AudioStreamPlaybackOGGVorbis::seek(float p_time) {
if (!active)
return;
if (p_time >= get_length()) {
if (p_time >= vorbis_stream->get_length()) {
p_time = 0;
}
frames_mixed = uint32_t(vorbis_stream->sample_rate * p_time);
@ -123,11 +123,6 @@ void AudioStreamPlaybackOGGVorbis::seek(float p_time) {
stb_vorbis_seek(ogg_stream, frames_mixed);
}
float AudioStreamPlaybackOGGVorbis::get_length() const {
return vorbis_stream->length;
}
AudioStreamPlaybackOGGVorbis::~AudioStreamPlaybackOGGVorbis() {
if (ogg_alloc.alloc_buffer) {
stb_vorbis_close(ogg_stream);
@ -261,6 +256,11 @@ float AudioStreamOGGVorbis::get_loop_offset() const {
return loop_offset;
}
float AudioStreamOGGVorbis::get_length() const {
return length;
}
void AudioStreamOGGVorbis::_bind_methods() {
ClassDB::bind_method(D_METHOD("_set_data", "data"), &AudioStreamOGGVorbis::set_data);

4
modules/stb_vorbis/audio_stream_ogg_vorbis.h
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@ -71,8 +71,6 @@ public:
virtual float get_playback_position() const;
virtual void seek(float p_time);
virtual float get_length() const; //if supported, otherwise return 0
AudioStreamPlaybackOGGVorbis() {}
~AudioStreamPlaybackOGGVorbis();
};
@ -112,6 +110,8 @@ public:
void set_data(const PoolVector<uint8_t> &p_data);
PoolVector<uint8_t> get_data() const;
virtual float get_length() const; //if supported, otherwise return 0
AudioStreamOGGVorbis();
virtual ~AudioStreamOGGVorbis();
};

34
scene/resources/audio_stream_sample.cpp
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@ -77,7 +77,7 @@ void AudioStreamPlaybackSample::seek(float p_time) {
if (base->format == AudioStreamSample::FORMAT_IMA_ADPCM)
return; //no seeking in ima-adpcm
float max = get_length();
float max = base->get_length();
if (p_time < 0) {
p_time = 0;
} else if (p_time >= max) {
@ -390,22 +390,6 @@ void AudioStreamPlaybackSample::mix(AudioFrame *p_buffer, float p_rate_scale, in
}
}
float AudioStreamPlaybackSample::get_length() const {
int len = base->data_bytes;
switch (base->format) {
case AudioStreamSample::FORMAT_8_BITS: len /= 1; break;
case AudioStreamSample::FORMAT_16_BITS: len /= 2; break;
case AudioStreamSample::FORMAT_IMA_ADPCM: len *= 2; break;
}
if (base->stereo) {
len /= 2;
}
return float(len) / base->mix_rate;
}
AudioStreamPlaybackSample::AudioStreamPlaybackSample() {
active = false;
@ -469,6 +453,22 @@ bool AudioStreamSample::is_stereo() const {
return stereo;
}
float AudioStreamSample::get_length() const {
int len = data_bytes;
switch (format) {
case AudioStreamSample::FORMAT_8_BITS: len /= 1; break;
case AudioStreamSample::FORMAT_16_BITS: len /= 2; break;
case AudioStreamSample::FORMAT_IMA_ADPCM: len *= 2; break;
}
if (stereo) {
len /= 2;
}
return float(len) / mix_rate;
}
void AudioStreamSample::set_data(const PoolVector<uint8_t> &p_data) {
AudioServer::get_singleton()->lock();

4
scene/resources/audio_stream_sample.h
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@ -77,8 +77,6 @@ public:
virtual void mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames);
virtual float get_length() const; //if supported, otherwise return 0
AudioStreamPlaybackSample();
};
@ -137,6 +135,8 @@ public:
void set_stereo(bool p_enable);
bool is_stereo() const;
virtual float get_length() const; //if supported, otherwise return 0
void set_data(const PoolVector<uint8_t> &p_data);
PoolVector<uint8_t> get_data() const;

23
servers/audio/audio_stream.cpp
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@ -91,6 +91,13 @@ void AudioStreamPlaybackResampled::mix(AudioFrame *p_buffer, float p_rate_scale,
}
////////////////////////////////
void AudioStream::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_length"), &AudioStream::get_length);
}
////////////////////////////////
void AudioStreamRandomPitch::set_audio_stream(const Ref<AudioStream> &p_audio_stream) {
audio_stream = p_audio_stream;
@ -136,6 +143,14 @@ String AudioStreamRandomPitch::get_stream_name() const {
return "RandomPitch";
}
float AudioStreamRandomPitch::get_length() const {
if (audio_stream.is_valid()) {
return audio_stream->get_length();
}
return 0;
}
void AudioStreamRandomPitch::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_audio_stream", "stream"), &AudioStreamRandomPitch::set_audio_stream);
@ -209,14 +224,6 @@ void AudioStreamPlaybackRandomPitch::mix(AudioFrame *p_buffer, float p_rate_scal
}
}
float AudioStreamPlaybackRandomPitch::get_length() const {
if (playing.is_valid()) {
return playing->get_length();
}
return 0;
}
AudioStreamPlaybackRandomPitch::~AudioStreamPlaybackRandomPitch() {
random_pitch->playbacks.erase(this);
}

11
servers/audio/audio_stream.h
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@ -50,8 +50,6 @@ public:
virtual void seek(float p_time) = 0;
virtual void mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) = 0;
virtual float get_length() const = 0; //if supported, otherwise return 0
};
class AudioStreamPlaybackResampled : public AudioStreamPlayback {
@ -85,9 +83,14 @@ class AudioStream : public Resource {
GDCLASS(AudioStream, Resource)
OBJ_SAVE_TYPE(AudioStream) //children are all saved as AudioStream, so they can be exchanged
protected:
static void _bind_methods();
public:
virtual Ref<AudioStreamPlayback> instance_playback() = 0;
virtual String get_stream_name() const = 0;
virtual float get_length() const = 0; //if supported, otherwise return 0
};
class AudioStreamPlaybackRandomPitch;
@ -114,6 +117,8 @@ public:
virtual Ref<AudioStreamPlayback> instance_playback();
virtual String get_stream_name() const;
virtual float get_length() const; //if supported, otherwise return 0
AudioStreamRandomPitch();
};
@ -139,8 +144,6 @@ public:
virtual void mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames);
virtual float get_length() const; //if supported, otherwise return 0
~AudioStreamPlaybackRandomPitch();
};