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Merge pull request #95999 from DeeJayLSP/mp3-mem

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MP3: Remove unnecessary memory allocation
This commit is contained in:
Rémi Verschelde 2024-08-30 09:59:15 +02:00
commit 8e402bcb36
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GPG Key ID: C3336907360768E1
2 changed files with 6 additions and 10 deletions
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14
modules/minimp3/audio_stream_mp3.cpp
View File

@ -57,7 +57,7 @@ int AudioStreamPlaybackMP3::_mix_internal(AudioFrame *p_buffer, int p_frames) {
mp3dec_frame_info_t frame_info;
mp3d_sample_t *buf_frame = nullptr;
int samples_mixed = mp3dec_ex_read_frame(mp3d, &buf_frame, &frame_info, mp3_stream->channels);
int samples_mixed = mp3dec_ex_read_frame(&mp3d, &buf_frame, &frame_info, mp3_stream->channels);
if (samples_mixed) {
p_buffer[p_frames - todo] = AudioFrame(buf_frame[0], buf_frame[samples_mixed - 1]);
@ -70,7 +70,7 @@ int AudioStreamPlaybackMP3::_mix_internal(AudioFrame *p_buffer, int p_frames) {
if (beat_loop && (int)frames_mixed >= beat_length_frames) {
for (int i = 0; i < FADE_SIZE; i++) {
samples_mixed = mp3dec_ex_read_frame(mp3d, &buf_frame, &frame_info, mp3_stream->channels);
samples_mixed = mp3dec_ex_read_frame(&mp3d, &buf_frame, &frame_info, mp3_stream->channels);
loop_fade[i] = AudioFrame(buf_frame[0], buf_frame[samples_mixed - 1]);
if (!samples_mixed) {
break;
@ -138,7 +138,7 @@ void AudioStreamPlaybackMP3::seek(double p_time) {
}
frames_mixed = uint32_t(mp3_stream->sample_rate * p_time);
mp3dec_ex_seek(mp3d, (uint64_t)frames_mixed * mp3_stream->channels);
mp3dec_ex_seek(&mp3d, (uint64_t)frames_mixed * mp3_stream->channels);
}
void AudioStreamPlaybackMP3::tag_used_streams() {
@ -181,10 +181,7 @@ Variant AudioStreamPlaybackMP3::get_parameter(const StringName &p_name) const {
}
AudioStreamPlaybackMP3::~AudioStreamPlaybackMP3() {
if (mp3d) {
mp3dec_ex_close(mp3d);
memfree(mp3d);
}
mp3dec_ex_close(&mp3d);
}
Ref<AudioStreamPlayback> AudioStreamMP3::instantiate_playback() {
@ -197,9 +194,8 @@ Ref<AudioStreamPlayback> AudioStreamMP3::instantiate_playback() {
mp3s.instantiate();
mp3s->mp3_stream = Ref<AudioStreamMP3>(this);
mp3s->mp3d = (mp3dec_ex_t *)memalloc(sizeof(mp3dec_ex_t));
int errorcode = mp3dec_ex_open_buf(mp3s->mp3d, data.ptr(), data_len, MP3D_SEEK_TO_SAMPLE);
int errorcode = mp3dec_ex_open_buf(&mp3s->mp3d, data.ptr(), data_len, MP3D_SEEK_TO_SAMPLE);
mp3s->frames_mixed = 0;
mp3s->active = false;

2
modules/minimp3/audio_stream_mp3.h
View File

@ -49,7 +49,7 @@ class AudioStreamPlaybackMP3 : public AudioStreamPlaybackResampled {
bool looping_override = false;
bool looping = false;
mp3dec_ex_t *mp3d = nullptr;
mp3dec_ex_t mp3d = {};
uint32_t frames_mixed = 0;
bool active = false;
int loops = 0;