31ce3c5fd0
-fix some menus -fixed bug in out transition curves -detect and remove file:/// in collada -remove multiscript for now -remove dependencies on mouse in OS, moved to Input -avoid fscache from screwing up (fix might make it slower, but it works) -funcref was missing, it's there now
390 lines
6.6 KiB
C++
390 lines
6.6 KiB
C++
#include "audio_stream_mpc.h"
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Error AudioStreamMPC::_open_file() {
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if (f) {
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memdelete(f);
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f=NULL;
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}
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Error err;
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f=FileAccess::open(file,FileAccess::READ,&err);
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if (err) {
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f=NULL;
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ERR_FAIL_V(err);
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return err;
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}
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f->seek_end(0);
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streamlen=f->get_pos();
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f->seek(0);
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if (streamlen<=0) {
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memdelete(f);
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f=NULL;
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ERR_FAIL_V(ERR_INVALID_DATA);
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}
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data_ofs=0;
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if (preload) {
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data.resize(streamlen);
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DVector<uint8_t>::Write w = data.write();
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f->get_buffer(&w[0],streamlen);
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memdelete(f);
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f=NULL;
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}
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return OK;
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}
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void AudioStreamMPC::_close_file() {
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if (f) {
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memdelete(f);
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f=NULL;
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}
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data.resize(0);
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streamlen=0;
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data_ofs=0;
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}
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int AudioStreamMPC::_read_file(void *p_dst,int p_bytes) {
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if (f)
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return f->get_buffer((uint8_t*)p_dst,p_bytes);
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DVector<uint8_t>::Read r = data.read();
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if (p_bytes+data_ofs > streamlen) {
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p_bytes=streamlen-data_ofs;
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}
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copymem(p_dst,&r[data_ofs],p_bytes);
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//print_line("read file: "+itos(p_bytes));
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data_ofs+=p_bytes;
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return p_bytes;
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}
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bool AudioStreamMPC::_seek_file(int p_pos){
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if (p_pos<0 || p_pos>streamlen)
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return false;
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if (f) {
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f->seek(p_pos);
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return true;
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}
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//print_line("read file to: "+itos(p_pos));
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data_ofs=p_pos;
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return true;
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}
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int AudioStreamMPC::_tell_file() const{
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if (f)
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return f->get_pos();
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//print_line("tell file, get: "+itos(data_ofs));
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return data_ofs;
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}
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int AudioStreamMPC::_sizeof_file() const{
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//print_line("sizeof file, get: "+itos(streamlen));
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return streamlen;
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}
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bool AudioStreamMPC::_canseek_file() const{
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//print_line("canseek file, get true");
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return true;
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}
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/////////////////////
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mpc_int32_t AudioStreamMPC::_mpc_read(mpc_reader *p_reader,void *p_dst, mpc_int32_t p_bytes) {
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AudioStreamMPC *smpc=(AudioStreamMPC *)p_reader->data;
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return smpc->_read_file(p_dst,p_bytes);
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}
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mpc_bool_t AudioStreamMPC::_mpc_seek(mpc_reader *p_reader,mpc_int32_t p_offset) {
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AudioStreamMPC *smpc=(AudioStreamMPC *)p_reader->data;
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return smpc->_seek_file(p_offset);
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}
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mpc_int32_t AudioStreamMPC::_mpc_tell(mpc_reader *p_reader) {
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AudioStreamMPC *smpc=(AudioStreamMPC *)p_reader->data;
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return smpc->_tell_file();
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}
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mpc_int32_t AudioStreamMPC::_mpc_get_size(mpc_reader *p_reader) {
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AudioStreamMPC *smpc=(AudioStreamMPC *)p_reader->data;
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return smpc->_sizeof_file();
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}
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mpc_bool_t AudioStreamMPC::_mpc_canseek(mpc_reader *p_reader) {
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AudioStreamMPC *smpc=(AudioStreamMPC *)p_reader->data;
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return smpc->_canseek_file();
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}
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bool AudioStreamMPC::_can_mix() const {
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return /*active &&*/ !paused;
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}
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void AudioStreamMPC::update() {
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if (!active || paused)
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return;
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int todo=get_todo();
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while(todo>MPC_DECODER_BUFFER_LENGTH/si.channels) {
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mpc_frame_info frame;
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frame.buffer=sample_buffer;
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mpc_status err = mpc_demux_decode(demux, &frame);
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if (frame.bits!=-1) {
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int16_t *dst_buff = get_write_buffer();
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#ifdef MPC_FIXED_POINT
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for( int i = 0; i < frame.samples * si.channels; i++) {
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int tmp = sample_buffer[i] >> MPC_FIXED_POINT_FRACTPART;
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if (tmp > ((1 << 15) - 1)) tmp = ((1 << 15) - 1);
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if (tmp < -(1 << 15)) tmp = -(1 << 15);
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dst_buff[i] = tmp;
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}
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#else
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for( int i = 0; i < frame.samples * si.channels; i++) {
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int tmp = Math::fast_ftoi(sample_buffer[i]*32767.0);
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if (tmp > ((1 << 15) - 1)) tmp = ((1 << 15) - 1);
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if (tmp < -(1 << 15)) tmp = -(1 << 15);
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dst_buff[i] = tmp;
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}
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#endif
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int frames = frame.samples;
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write(frames);
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todo-=frames;
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} else {
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if (err != MPC_STATUS_OK) {
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stop();
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ERR_EXPLAIN("Error decoding MPC");
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ERR_FAIL();
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} else {
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//finished
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if (!loop) {
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stop();
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return;
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} else {
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loops++;
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mpc_demux_exit(demux);
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_seek_file(0);
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demux = mpc_demux_init(&reader);
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//do loop somehow
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}
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}
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}
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}
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}
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Error AudioStreamMPC::_reload() {
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ERR_FAIL_COND_V(demux!=NULL, ERR_FILE_ALREADY_IN_USE);
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Error err = _open_file();
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ERR_FAIL_COND_V(err!=OK,ERR_CANT_OPEN);
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demux = mpc_demux_init(&reader);
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ERR_FAIL_COND_V(!demux,ERR_CANT_CREATE);
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mpc_demux_get_info(demux, &si);
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_setup(si.channels,si.sample_freq,MPC_DECODER_BUFFER_LENGTH*2/si.channels);
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return OK;
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}
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void AudioStreamMPC::set_file(const String& p_file) {
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file=p_file;
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}
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String AudioStreamMPC::get_file() const {
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return file;
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}
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void AudioStreamMPC::play() {
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_THREAD_SAFE_METHOD_
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if (active)
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stop();
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active=false;
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Error err = _open_file();
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ERR_FAIL_COND(err!=OK);
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if (_reload()!=OK)
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return;
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active=true;
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loops=0;
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}
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void AudioStreamMPC::stop() {
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_THREAD_SAFE_METHOD_
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if (!active)
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return;
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if (demux) {
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mpc_demux_exit(demux);
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demux=NULL;
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}
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_close_file();
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active=false;
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}
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bool AudioStreamMPC::is_playing() const {
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return active;
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}
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void AudioStreamMPC::set_paused(bool p_paused) {
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paused=p_paused;
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}
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bool AudioStreamMPC::is_paused(bool p_paused) const {
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return paused;
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}
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void AudioStreamMPC::set_loop(bool p_enable) {
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loop=p_enable;
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}
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bool AudioStreamMPC::has_loop() const {
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return loop;
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}
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float AudioStreamMPC::get_length() const {
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return 0;
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}
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String AudioStreamMPC::get_stream_name() const {
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return "";
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}
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int AudioStreamMPC::get_loop_count() const {
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return 0;
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}
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float AudioStreamMPC::get_pos() const {
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return 0;
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}
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void AudioStreamMPC::seek_pos(float p_time) {
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}
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AudioStream::UpdateMode AudioStreamMPC::get_update_mode() const {
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return UPDATE_THREAD;
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}
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void AudioStreamMPC::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_file","name"),&AudioStreamMPC::set_file);
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ObjectTypeDB::bind_method(_MD("get_file"),&AudioStreamMPC::get_file);
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ADD_PROPERTYNZ( PropertyInfo(Variant::STRING,"file",PROPERTY_HINT_FILE,"mpc"), _SCS("set_file"), _SCS("get_file"));
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}
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AudioStreamMPC::AudioStreamMPC() {
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preload=true;
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f=NULL;
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streamlen=0;
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data_ofs=0;
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active=false;
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paused=false;
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loop=false;
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demux=NULL;
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reader.data=this;
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reader.read=_mpc_read;
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reader.seek=_mpc_seek;
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reader.tell=_mpc_tell;
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reader.get_size=_mpc_get_size;
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reader.canseek=_mpc_canseek;
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loops=0;
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}
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AudioStreamMPC::~AudioStreamMPC() {
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stop();
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if (f)
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memdelete(f);
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}
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RES ResourceFormatLoaderAudioStreamMPC::load(const String &p_path,const String& p_original_path) {
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AudioStreamMPC *mpc_stream = memnew(AudioStreamMPC);
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mpc_stream->set_file(p_path);
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return Ref<AudioStreamMPC>(mpc_stream);
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}
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void ResourceFormatLoaderAudioStreamMPC::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("mpc");
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}
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bool ResourceFormatLoaderAudioStreamMPC::handles_type(const String& p_type) const {
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return (p_type=="AudioStream") || (p_type=="AudioStreamMPC");
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}
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String ResourceFormatLoaderAudioStreamMPC::get_resource_type(const String &p_path) const {
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if (p_path.extension().to_lower()=="mpc")
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return "AudioStreamMPC";
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return "";
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}
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