mirror of
https://github.com/love2d/love.git
synced 2026-08-18 03:34:23 +02:00
CRLF to LF
This commit is contained in:
Bart van Strien
@@ -1,238 +1,238 @@
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_NOMPG123
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#include "Mpg123Decoder.h"
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#include "common/Exception.h"
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#include <iostream>
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namespace love
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{
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namespace sound
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{
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namespace lullaby
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{
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bool Mpg123Decoder::inited = false;
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Mpg123Decoder::Mpg123Decoder(Data *data, const std::string &ext, int bufferSize)
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: Decoder(data, ext, bufferSize)
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, handle(0)
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, channels(MPG123_STEREO)
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{
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data_size = data->getSize();
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data_offset = 0;
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int ret;
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if (!inited)
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{
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ret = mpg123_init();
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if (ret != MPG123_OK)
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throw love::Exception("Could not initialize mpg123.");
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inited = (ret == MPG123_OK);
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}
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//Intialize the handle
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handle = mpg123_new(NULL, &ret);
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if (handle == NULL)
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throw love::Exception("Could not create handle.");
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ret = mpg123_open_feed(handle);
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if (ret != MPG123_OK)
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throw love::Exception("Could not open feed.");
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ret = feed(16384);
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if (ret != MPG123_OK && ret != MPG123_DONE)
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throw love::Exception("Could not feed!");
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}
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Mpg123Decoder::~Mpg123Decoder()
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{
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mpg123_delete(handle);
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}
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bool Mpg123Decoder::accepts(const std::string &ext)
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{
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static const std::string supported[] =
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{
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"mp3", ""
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};
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for (int i = 0; !(supported[i].empty()); i++)
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{
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if (supported[i].compare(ext) == 0)
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return true;
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}
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return false;
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}
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void Mpg123Decoder::quit()
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{
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if (inited)
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mpg123_exit();
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}
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love::sound::Decoder *Mpg123Decoder::clone()
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{
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return new Mpg123Decoder(data, ext, bufferSize);
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}
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int Mpg123Decoder::decode()
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{
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int size = 0;
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bool done = false;
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while (size < bufferSize && !done && !eof)
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{
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size_t numbytes = 0;
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int r = mpg123_read(handle, (unsigned char *) buffer + size, bufferSize - size, &numbytes);
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switch (r)
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{
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case MPG123_NEW_FORMAT:
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{
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size += numbytes;
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long rate = 0;
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int encoding = 0;
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int ret = mpg123_getformat(handle, &rate, &channels, &encoding);
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if (rate == 0)
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rate = sampleRate;
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else
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sampleRate = rate;
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if (channels == 0)
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channels = MPG123_STEREO;
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if (encoding == 0)
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encoding = MPG123_ENC_SIGNED_16;
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ret = mpg123_format(handle, rate, channels, encoding);
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if (ret != MPG123_OK)
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throw love::Exception("Could not set output format.");
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}
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continue;
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case MPG123_NEED_MORE:
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{
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size += numbytes;
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int v = feed(8192);
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switch (v)
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{
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case MPG123_OK:
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continue;
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case MPG123_DONE:
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if (numbytes == 0)
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eof = true;
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break;
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default:
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done = true;
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}
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continue;
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}
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case MPG123_OK:
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size += numbytes;
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continue;
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case MPG123_DONE:
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// Apparently, mpg123_read does not return MPG123_DONE, but
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// let's keep it here anyway.
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eof = true;
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default:
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done = true;
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break;
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}
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}
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return size;
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}
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bool Mpg123Decoder::seek(float s)
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{
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off_t offset = static_cast<off_t>(s * static_cast<float>(sampleRate));
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if (offset < 0)
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return false;
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if (mpg123_feedseek(handle, offset, SEEK_SET, &offset) >= 0)
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{
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data_offset = offset;
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eof = false;
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return true;
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}
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else
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return false;
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}
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bool Mpg123Decoder::rewind()
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{
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eof = false;
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off_t offset;
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if (mpg123_feedseek(handle, 0, SEEK_SET, &offset) >= 0)
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{
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data_offset = offset;
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return true;
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}
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else
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return false;
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}
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bool Mpg123Decoder::isSeekable()
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{
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return true;
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}
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int Mpg123Decoder::getChannels() const
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{
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return channels;
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}
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int Mpg123Decoder::getBits() const
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{
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return 16;
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}
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int Mpg123Decoder::feed(int bytes)
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{
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int remaining = data_size - data_offset;
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if (remaining <= 0)
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return MPG123_DONE;
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int feed_bytes = remaining < bytes ? remaining : bytes;
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int r = mpg123_feed(handle, (unsigned char *)data->getData() + data_offset, feed_bytes);
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if (r == MPG123_OK || r == MPG123_DONE)
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data_offset += feed_bytes;
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return r;
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}
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} // lullaby
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} // sound
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} // love
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#endif // LOVE_NOMPG123
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_NOMPG123
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#include "Mpg123Decoder.h"
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#include "common/Exception.h"
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#include <iostream>
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namespace love
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{
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namespace sound
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{
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namespace lullaby
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{
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bool Mpg123Decoder::inited = false;
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Mpg123Decoder::Mpg123Decoder(Data *data, const std::string &ext, int bufferSize)
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: Decoder(data, ext, bufferSize)
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, handle(0)
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, channels(MPG123_STEREO)
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{
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data_size = data->getSize();
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data_offset = 0;
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int ret;
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if (!inited)
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{
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ret = mpg123_init();
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if (ret != MPG123_OK)
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throw love::Exception("Could not initialize mpg123.");
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inited = (ret == MPG123_OK);
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}
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//Intialize the handle
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handle = mpg123_new(NULL, &ret);
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if (handle == NULL)
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throw love::Exception("Could not create handle.");
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ret = mpg123_open_feed(handle);
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if (ret != MPG123_OK)
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throw love::Exception("Could not open feed.");
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ret = feed(16384);
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if (ret != MPG123_OK && ret != MPG123_DONE)
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throw love::Exception("Could not feed!");
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}
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Mpg123Decoder::~Mpg123Decoder()
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{
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mpg123_delete(handle);
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}
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bool Mpg123Decoder::accepts(const std::string &ext)
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{
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static const std::string supported[] =
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{
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"mp3", ""
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};
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for (int i = 0; !(supported[i].empty()); i++)
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{
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if (supported[i].compare(ext) == 0)
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return true;
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}
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return false;
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}
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void Mpg123Decoder::quit()
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{
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if (inited)
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mpg123_exit();
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}
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love::sound::Decoder *Mpg123Decoder::clone()
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{
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return new Mpg123Decoder(data, ext, bufferSize);
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}
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int Mpg123Decoder::decode()
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{
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int size = 0;
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bool done = false;
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while (size < bufferSize && !done && !eof)
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{
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size_t numbytes = 0;
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int r = mpg123_read(handle, (unsigned char *) buffer + size, bufferSize - size, &numbytes);
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switch (r)
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{
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case MPG123_NEW_FORMAT:
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{
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size += numbytes;
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long rate = 0;
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int encoding = 0;
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int ret = mpg123_getformat(handle, &rate, &channels, &encoding);
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if (rate == 0)
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rate = sampleRate;
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else
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sampleRate = rate;
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if (channels == 0)
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channels = MPG123_STEREO;
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if (encoding == 0)
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encoding = MPG123_ENC_SIGNED_16;
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ret = mpg123_format(handle, rate, channels, encoding);
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if (ret != MPG123_OK)
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throw love::Exception("Could not set output format.");
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}
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continue;
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case MPG123_NEED_MORE:
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{
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size += numbytes;
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int v = feed(8192);
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switch (v)
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{
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case MPG123_OK:
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continue;
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case MPG123_DONE:
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if (numbytes == 0)
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eof = true;
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break;
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default:
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done = true;
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}
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continue;
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}
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case MPG123_OK:
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size += numbytes;
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continue;
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case MPG123_DONE:
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// Apparently, mpg123_read does not return MPG123_DONE, but
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// let's keep it here anyway.
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eof = true;
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default:
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done = true;
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break;
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}
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}
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return size;
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}
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bool Mpg123Decoder::seek(float s)
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{
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off_t offset = static_cast<off_t>(s * static_cast<float>(sampleRate));
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if (offset < 0)
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return false;
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if (mpg123_feedseek(handle, offset, SEEK_SET, &offset) >= 0)
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{
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data_offset = offset;
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eof = false;
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return true;
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}
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else
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return false;
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}
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bool Mpg123Decoder::rewind()
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{
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eof = false;
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off_t offset;
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if (mpg123_feedseek(handle, 0, SEEK_SET, &offset) >= 0)
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{
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data_offset = offset;
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return true;
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}
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else
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return false;
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}
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bool Mpg123Decoder::isSeekable()
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{
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return true;
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}
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int Mpg123Decoder::getChannels() const
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{
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return channels;
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}
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int Mpg123Decoder::getBits() const
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{
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return 16;
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}
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int Mpg123Decoder::feed(int bytes)
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{
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int remaining = data_size - data_offset;
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if (remaining <= 0)
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return MPG123_DONE;
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int feed_bytes = remaining < bytes ? remaining : bytes;
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int r = mpg123_feed(handle, (unsigned char *)data->getData() + data_offset, feed_bytes);
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if (r == MPG123_OK || r == MPG123_DONE)
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data_offset += feed_bytes;
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return r;
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}
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} // lullaby
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} // sound
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} // love
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#endif // LOVE_NOMPG123
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