diff options
Diffstat (limited to 'tderadio3/plugins/recording/encoder_mp3.cpp')
| -rw-r--r-- | tderadio3/plugins/recording/encoder_mp3.cpp | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/tderadio3/plugins/recording/encoder_mp3.cpp b/tderadio3/plugins/recording/encoder_mp3.cpp deleted file mode 100644 index 456850f..0000000 --- a/tderadio3/plugins/recording/encoder_mp3.cpp +++ /dev/null @@ -1,214 +0,0 @@ -/*************************************************************************** - encoder_mp3.cpp - ------------------- - begin : Sat Aug 20 2005 - copyright : (C) 2005 by Martin Witte - email : witte@kawo1.rwth-aachen.de - ***************************************************************************/ - -/*************************************************************************** - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - ***************************************************************************/ - -#include "encoder_mp3.h" - -#include <tqmutex.h> -#include <tdelocale.h> - -RecordingEncodingMP3::RecordingEncodingMP3(TQObject *parent, SoundStreamID ssid, - const RecordingConfig &cfg, const RadioStation *rs, - const TQString &filename) - : RecordingEncoding(parent, ssid, cfg, rs, filename) -#ifdef HAVE_LAME - , - m_MP3Buffer(NULL), - m_MP3BufferSize(0), - m_MP3Output(NULL), - m_ID3Tags(NULL), - m_LAMEFlags(NULL), - m_MP3LBuffer(NULL), - m_MP3RBuffer(NULL) -#endif -{ - m_config.m_OutputFormat = RecordingConfig::outputMP3; - m_config.m_SoundFormat.m_Encoding = "mp3"; - openOutput(filename); -} - - -RecordingEncodingMP3::~RecordingEncodingMP3() -{ - closeOutput(); -} - - -static TQMutex lameSerialization; - -void RecordingEncodingMP3::encode(const char *_buffer, size_t buffer_size, char *&export_buffer, size_t &export_buffer_size) -{ - if (m_error) - return; - -#ifdef HAVE_LAME - short int *buffer = (short int*)_buffer; - size_t j = 0, - j_inc = (m_config.m_SoundFormat.m_Channels == 1) ? 1 : 2, - dj = (m_config.m_SoundFormat.m_Channels == 1) ? 0 : 1, - samples = buffer_size / m_config.m_SoundFormat.frameSize(); - - for (size_t i = 0; i < samples; ++i, j+=j_inc) { - m_MP3LBuffer[i] = buffer[j]; - m_MP3RBuffer[i] = buffer[j+dj]; - } - - int n = 0; - lameSerialization.lock(); - n = lame_encode_buffer(m_LAMEFlags, - m_MP3LBuffer, - m_MP3RBuffer, - samples, - m_MP3Buffer, - m_MP3BufferSize); - lameSerialization.unlock(); - if (n < 0) { - m_errorString += i18n("Error %1 while encoding mp3. ").arg(TQString().setNum(n)); - m_error = true; - } else if (n > 0) { - m_encodedSize += n; - - export_buffer = (char*)m_MP3Buffer; - export_buffer_size = n; - int r = fwrite(m_MP3Buffer, 1, n, m_MP3Output); - - if (r <= 0) { - m_errorString += i18n("Error %1 writing output. ").arg(TQString().setNum(r)); - m_error = true; - } - } -#endif -} - - - -bool RecordingEncodingMP3::openOutput(const TQString &output) -{ -#ifdef HAVE_LAME -// m_output = NULL; - m_LAMEFlags = lame_init(); - - if (!m_LAMEFlags) { - m_error = true; - m_errorString += i18n("Cannot initialize lalibmp3lame. "); - } else { - lame_set_in_samplerate(m_LAMEFlags, m_config.m_SoundFormat.m_SampleRate); - lame_set_num_channels(m_LAMEFlags, 2); - //lame_set_quality(m_LAMEFlags, m_config.mp3Quality); - - lame_set_mode(m_LAMEFlags, m_config.m_SoundFormat.m_Channels == 1 ? MONO : JOINT_STEREO); - - // lame_seterrorf(m_LAMEFlags, ...); - // lame_setdebugf(m_LAMEFlags, ...); - // lame_setmsgf(m_LAMEFlags, ...); - - lame_set_VBR(m_LAMEFlags, vbr_default); - lame_set_VBR_q(m_LAMEFlags, m_config.m_mp3Quality); - - if (lame_init_params(m_LAMEFlags) < 0) { - m_error = true; - m_errorString += i18n("Cannot initialize libmp3lame parameters. ").arg(output); - } - - if (!m_error) { - id3tag_init(m_LAMEFlags); - id3tag_add_v2(m_LAMEFlags); - TQString title = m_RadioStation->name() + TQString().sprintf(" - %s", (TQDateTime::currentDateTime().toString(Qt::ISODate)).ascii()); - TQString comment = i18n("Recorded by TDERadio"); - size_t l = title.length() + comment.length() + 10; - m_ID3Tags = new char[l]; - char *ctitle = m_ID3Tags; - strcpy(ctitle, title.latin1()); - char *ccomment = m_ID3Tags + strlen(ctitle) + 1; - strcpy(ccomment, comment.latin1()); - id3tag_set_title(m_LAMEFlags, ctitle); - id3tag_set_comment(m_LAMEFlags, ccomment); - } - - m_MP3Output = fopen(output.ascii(), "wb+"); - if (!m_MP3Output) { - m_errorString += i18n("Cannot open output file %1. ").arg(output); - m_error = true; - } - - size_t nSamples = m_config.m_EncodeBufferSize / m_config.m_SoundFormat.frameSize(); - m_MP3BufferSize = nSamples + nSamples / 4 + 7200; - m_MP3Buffer = new unsigned char[m_MP3BufferSize]; - - m_MP3LBuffer = new short int[nSamples]; - m_MP3RBuffer = new short int[nSamples]; - - if (!m_MP3Buffer || !m_MP3LBuffer || !m_MP3RBuffer) { - m_error = true; - m_errorString += i18n("Cannot allocate buffers for mp3 encoding. "); - } - } - - if (m_error) { - if (m_LAMEFlags) lame_close(m_LAMEFlags); - m_LAMEFlags = NULL; - if (m_MP3Output) fclose(m_MP3Output); - m_MP3Output = NULL; - if (m_MP3Buffer) delete [] m_MP3Buffer; - m_MP3Buffer = NULL; - m_MP3BufferSize = 0; - if (m_ID3Tags) delete [] m_ID3Tags; - m_ID3Tags = NULL; - if (m_MP3LBuffer) delete[] m_MP3LBuffer; - if (m_MP3RBuffer) delete[] m_MP3RBuffer; - m_MP3LBuffer = m_MP3RBuffer = NULL; - } -#endif - return !m_error; -} - - -void RecordingEncodingMP3::closeOutput() -{ -#ifdef HAVE_LAME - if (m_LAMEFlags) { - if (m_config.m_OutputFormat == RecordingConfig::outputMP3) { - int n = lame_encode_flush(m_LAMEFlags, - m_MP3Buffer, - m_MP3BufferSize); - if (n < 0) { - m_error = true; - m_errorString += i18n("Error %1 while encoding mp3. ").arg(TQString().setNum(n)); - } else if (n > 0) { - int r = fwrite(m_MP3Buffer, 1, n, m_MP3Output); - if (r <= 0) { - m_error = true; - m_errorString += i18n("Error %1 writing output. ").arg(TQString().setNum(r)); - } else { - lame_mp3_tags_fid(m_LAMEFlags, m_MP3Output); - } - } - } - if (m_LAMEFlags) lame_close(m_LAMEFlags); - m_LAMEFlags = NULL; - if (m_MP3Output) fclose(m_MP3Output); - m_MP3Output = NULL; - m_MP3BufferSize = 0; - if (m_MP3Buffer) delete [] m_MP3Buffer; - m_MP3Buffer = NULL; - if (m_ID3Tags) delete [] m_ID3Tags; - m_ID3Tags = NULL; - if (m_MP3LBuffer) delete[] m_MP3LBuffer; - if (m_MP3RBuffer) delete[] m_MP3RBuffer; - m_MP3LBuffer = m_MP3RBuffer = NULL; - } -#endif -} |