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@@ -1,414 +0,0 @@
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-/*************************************************************************/
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-/* audio_stream_mpc.cpp */
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-/*************************************************************************/
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-/* This file is part of: */
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-/* GODOT ENGINE */
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-/* http://www.godotengine.org */
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-/*************************************************************************/
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-/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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-/* */
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-/* Permission is hereby granted, free of charge, to any person obtaining */
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-/* a copy of this software and associated documentation files (the */
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-/* "Software"), to deal in the Software without restriction, including */
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-/* without limitation the rights to use, copy, modify, merge, publish, */
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-/* distribute, sublicense, and/or sell copies of the Software, and to */
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-/* permit persons to whom the Software is furnished to do so, subject to */
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-/* the following conditions: */
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-/* */
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-/* The above copyright notice and this permission notice shall be */
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-/* included in all copies or substantial portions of the Software. */
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-/* */
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-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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-/*************************************************************************/
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-#include "audio_stream_mpc.h"
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-
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-
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-Error AudioStreamPlaybackMPC::_open_file() {
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-
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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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- //printf("mpc open file %ls\n", file.c_str());
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- f=FileAccess::open(file,FileAccess::READ,&err);
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-
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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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-
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- //printf("file size is %i\n", f->get_len());
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- //f->seek_end(0);
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- streamlen=f->get_len();
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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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-
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- data_ofs=0;
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- if (preload) {
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-
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- data.resize(streamlen);
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- PoolVector<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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- }
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-
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- return OK;
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-}
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-
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-void AudioStreamPlaybackMPC::_close_file() {
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-
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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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-
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-int AudioStreamPlaybackMPC::_read_file(void *p_dst,int p_bytes) {
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-
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- if (f)
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- return f->get_buffer((uint8_t*)p_dst,p_bytes);
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-
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- PoolVector<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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-
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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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-
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-bool AudioStreamPlaybackMPC::_seek_file(int p_pos){
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-
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- if (p_pos<0 || p_pos>streamlen)
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- return false;
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-
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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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-
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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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-}
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-int AudioStreamPlaybackMPC::_tell_file() const{
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-
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- if (f)
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- return f->get_pos();
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-
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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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-}
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-
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-int AudioStreamPlaybackMPC::_sizeof_file() const{
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-
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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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-
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-bool AudioStreamPlaybackMPC::_canseek_file() const{
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-
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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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-/////////////////////
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-
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-mpc_int32_t AudioStreamPlaybackMPC::_mpc_read(mpc_reader *p_reader,void *p_dst, mpc_int32_t p_bytes) {
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-
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- AudioStreamPlaybackMPC *smpc=(AudioStreamPlaybackMPC *)p_reader->data;
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- return smpc->_read_file(p_dst,p_bytes);
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-}
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-
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-mpc_bool_t AudioStreamPlaybackMPC::_mpc_seek(mpc_reader *p_reader,mpc_int32_t p_offset) {
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-
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- AudioStreamPlaybackMPC *smpc=(AudioStreamPlaybackMPC *)p_reader->data;
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- return smpc->_seek_file(p_offset);
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-
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-}
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-mpc_int32_t AudioStreamPlaybackMPC::_mpc_tell(mpc_reader *p_reader) {
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-
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- AudioStreamPlaybackMPC *smpc=(AudioStreamPlaybackMPC *)p_reader->data;
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- return smpc->_tell_file();
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-
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-}
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-mpc_int32_t AudioStreamPlaybackMPC::_mpc_get_size(mpc_reader *p_reader) {
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-
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- AudioStreamPlaybackMPC *smpc=(AudioStreamPlaybackMPC *)p_reader->data;
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- return smpc->_sizeof_file();
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-
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-
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-}
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-mpc_bool_t AudioStreamPlaybackMPC::_mpc_canseek(mpc_reader *p_reader) {
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-
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- AudioStreamPlaybackMPC *smpc=(AudioStreamPlaybackMPC *)p_reader->data;
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- return smpc->_canseek_file();
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-}
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-
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-
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-
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-
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-int AudioStreamPlaybackMPC::mix(int16_t* p_bufer,int p_frames) {
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-
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- if (!active || paused)
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- return 0;
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-
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- int todo=p_frames;
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-
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- while(todo>MPC_DECODER_BUFFER_LENGTH/si.channels) {
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-
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- mpc_frame_info frame;
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-
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- frame.buffer=sample_buffer;
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-
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- mpc_status err = mpc_demux_decode(demux, &frame);
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- if (frame.bits!=-1) {
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-
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- int16_t *dst_buff = p_bufer;
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-
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-#ifdef MPC_FIXED_POINT
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-
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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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-
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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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- }
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-
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-#endif
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-
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- int frames = frame.samples;
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- p_bufer+=si.channels*frames;
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- todo-=frames;
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- } else {
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-
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- if (err != MPC_STATUS_OK) {
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-
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- stop();
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- ERR_PRINT("Error decoding MPC");
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- break;
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- } else {
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-
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- //finished
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- if (!loop) {
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- stop();
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- break;
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- } else {
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-
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-
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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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-
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- return p_frames-todo;
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-}
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-
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-Error AudioStreamPlaybackMPC::_reload() {
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-
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- ERR_FAIL_COND_V(demux!=NULL, ERR_FILE_ALREADY_IN_USE);
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-
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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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-
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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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-
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- return OK;
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-}
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-
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-void AudioStreamPlaybackMPC::set_file(const String& p_file) {
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-
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- file=p_file;
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-
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- Error err = _open_file();
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- ERR_FAIL_COND(err!=OK);
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- demux = mpc_demux_init(&reader);
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- ERR_FAIL_COND(!demux);
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- mpc_demux_get_info(demux, &si);
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- stream_min_size=MPC_DECODER_BUFFER_LENGTH*2/si.channels;
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- stream_rate=si.sample_freq;
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- stream_channels=si.channels;
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-
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- mpc_demux_exit(demux);
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- demux=NULL;
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- _close_file();
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-
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-}
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-
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-
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-String AudioStreamPlaybackMPC::get_file() const {
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-
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- return file;
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-}
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-
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-
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-void AudioStreamPlaybackMPC::play(float p_offset) {
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-
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-
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- if (active)
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- stop();
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- active=false;
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-
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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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-}
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-
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-void AudioStreamPlaybackMPC::stop() {
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-
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-
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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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-}
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-bool AudioStreamPlaybackMPC::is_playing() const {
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-
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- return active;
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-}
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-
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-
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-void AudioStreamPlaybackMPC::set_loop(bool p_enable) {
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-
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- loop=p_enable;
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-}
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-bool AudioStreamPlaybackMPC::has_loop() const {
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-
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- return loop;
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-}
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-
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-float AudioStreamPlaybackMPC::get_length() const {
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-
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- return 0;
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-}
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-
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-String AudioStreamPlaybackMPC::get_stream_name() const {
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-
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- return "";
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-}
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-
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-int AudioStreamPlaybackMPC::get_loop_count() const {
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-
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- return 0;
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-}
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-
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-float AudioStreamPlaybackMPC::get_pos() const {
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-
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- return 0;
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-}
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-void AudioStreamPlaybackMPC::seek_pos(float p_time) {
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-
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-
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-}
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-
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-
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-void AudioStreamPlaybackMPC::_bind_methods() {
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-
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- ClassDB::bind_method(_MD("set_file","name"),&AudioStreamPlaybackMPC::set_file);
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- ClassDB::bind_method(_MD("get_file"),&AudioStreamPlaybackMPC::get_file);
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-
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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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-}
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-
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-AudioStreamPlaybackMPC::AudioStreamPlaybackMPC() {
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-
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- preload=false;
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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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-}
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-
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-AudioStreamPlaybackMPC::~AudioStreamPlaybackMPC() {
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-
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- stop();
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-
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- if (f)
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- memdelete(f);
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-}
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-
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-
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-
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-RES ResourceFormatLoaderAudioStreamMPC::load(const String &p_path, const String& p_original_path, Error *r_error) {
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- if (r_error)
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- *r_error=OK; //streamed so it will always work..
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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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-
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-void ResourceFormatLoaderAudioStreamMPC::get_recognized_extensions(List<String> *p_extensions) const {
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-
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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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-
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- return (p_type=="AudioStream") || (p_type=="AudioStreamMPC");
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-}
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-
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-String ResourceFormatLoaderAudioStreamMPC::get_resource_type(const String &p_path) const {
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-
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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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-
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Juan Linietsky