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https://github.com/reactos/reactos.git
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1067 lines
33 KiB
C
1067 lines
33 KiB
C
/*
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* MPEG Layer 3 handling
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*
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* Copyright (C) 2002 Eric Pouech
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* Copyright (C) 2009 CodeWeavers, Aric Stewart
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* Copyright (C) 2010 Kristofer Henriksson
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <config.h>
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//#include "wine/port.h"
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#include <assert.h>
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#include <stdarg.h>
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//#include <string.h>
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#ifdef HAVE_MPG123_H
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# include <mpg123.h>
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#else
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# ifdef HAVE_COREAUDIO_COREAUDIO_H
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# include <CoreFoundation/CoreFoundation.h>
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# include <CoreAudio/CoreAudio.h>
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# endif
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# ifdef HAVE_AUDIOTOOLBOX_AUDIOCONVERTER_H
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# include <AudioToolbox/AudioConverter.h>
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# endif
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#endif
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#include <windef.h>
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#include <winbase.h>
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#include <wingdi.h>
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#include <winuser.h>
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#include <winnls.h>
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//#include "mmsystem.h"
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//#include "mmreg.h"
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//#include "msacm.h"
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#include <msacmdrv.h>
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#include <wine/debug.h>
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WINE_DEFAULT_DEBUG_CHANNEL(mpeg3);
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/* table to list all supported formats... those are the basic ones. this
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* also helps given a unique index to each of the supported formats
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*/
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typedef struct
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{
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int nChannels;
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int nBits;
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int rate;
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} Format;
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static const Format PCM_Formats[] =
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{
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{1, 8, 8000}, {2, 8, 8000}, {1, 16, 8000}, {2, 16, 8000},
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{1, 8, 11025}, {2, 8, 11025}, {1, 16, 11025}, {2, 16, 11025},
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{1, 8, 12000}, {2, 8, 12000}, {1, 16, 12000}, {2, 16, 12000},
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{1, 8, 16000}, {2, 8, 16000}, {1, 16, 16000}, {2, 16, 16000},
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{1, 8, 22050}, {2, 8, 22050}, {1, 16, 22050}, {2, 16, 22050},
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{1, 8, 24000}, {2, 8, 24000}, {1, 16, 24000}, {2, 16, 24000},
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{1, 8, 32000}, {2, 8, 32000}, {1, 16, 32000}, {2, 16, 32000},
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{1, 8, 44100}, {2, 8, 44100}, {1, 16, 44100}, {2, 16, 44100},
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{1, 8, 48000}, {2, 8, 48000}, {1, 16, 48000}, {2, 16, 48000}
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};
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static const Format MPEG3_Formats[] =
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{
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{1, 0, 8000}, {2, 0, 8000},
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{1, 0, 11025}, {2, 0, 11025},
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{1, 0, 12000}, {2, 0, 12000},
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{1, 0, 16000}, {2, 0, 16000},
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{1, 0, 22050}, {2, 0, 22050},
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{1, 0, 24000}, {2, 0, 24000},
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{1, 0, 32000}, {2, 0, 32000},
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{1, 0, 44100}, {2, 0, 44100},
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{1, 0, 48000}, {2, 0, 48000}
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};
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#define NUM_PCM_FORMATS (sizeof(PCM_Formats) / sizeof(PCM_Formats[0]))
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#define NUM_MPEG3_FORMATS (sizeof(MPEG3_Formats) / sizeof(MPEG3_Formats[0]))
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/***********************************************************************
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* MPEG3_GetFormatIndex
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*/
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static DWORD MPEG3_GetFormatIndex(LPWAVEFORMATEX wfx)
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{
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int i, hi;
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const Format *fmts;
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switch (wfx->wFormatTag)
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{
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case WAVE_FORMAT_PCM:
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hi = NUM_PCM_FORMATS;
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fmts = PCM_Formats;
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break;
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case WAVE_FORMAT_MPEG:
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case WAVE_FORMAT_MPEGLAYER3:
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hi = NUM_MPEG3_FORMATS;
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fmts = MPEG3_Formats;
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break;
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default:
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return 0xFFFFFFFF;
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}
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for (i = 0; i < hi; i++)
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{
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if (wfx->nChannels == fmts[i].nChannels &&
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wfx->nSamplesPerSec == fmts[i].rate &&
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(wfx->wBitsPerSample == fmts[i].nBits || !fmts[i].nBits))
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return i;
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}
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return 0xFFFFFFFF;
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}
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#ifdef HAVE_MPG123_H
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typedef struct tagAcmMpeg3Data
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{
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void (*convert)(PACMDRVSTREAMINSTANCE adsi,
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const unsigned char*, LPDWORD, unsigned char*, LPDWORD);
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mpg123_handle *mh;
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} AcmMpeg3Data;
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/***********************************************************************
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* MPEG3_drvOpen
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*/
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static LRESULT MPEG3_drvOpen(LPCSTR str)
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{
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mpg123_init();
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return 1;
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}
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/***********************************************************************
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* MPEG3_drvClose
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*/
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static LRESULT MPEG3_drvClose(DWORD_PTR dwDevID)
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{
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mpg123_exit();
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return 1;
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}
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static void mp3_horse(PACMDRVSTREAMINSTANCE adsi,
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const unsigned char* src, LPDWORD nsrc,
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unsigned char* dst, LPDWORD ndst)
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{
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AcmMpeg3Data* amd = (AcmMpeg3Data*)adsi->dwDriver;
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int ret;
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size_t size;
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DWORD dpos = 0;
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if (*nsrc > 0)
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{
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ret = mpg123_feed(amd->mh, src, *nsrc);
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if (ret != MPG123_OK)
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{
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ERR("Error feeding data\n");
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*ndst = *nsrc = 0;
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return;
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}
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}
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do {
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size = 0;
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ret = mpg123_read(amd->mh, dst + dpos, *ndst - dpos, &size);
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if (ret == MPG123_ERR)
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{
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FIXME("Error occurred during decoding!\n");
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*ndst = *nsrc = 0;
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return;
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}
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if (ret == MPG123_NEW_FORMAT)
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{
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long rate;
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int channels, enc;
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mpg123_getformat(amd->mh, &rate, &channels, &enc);
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TRACE("New format: %li Hz, %i channels, encoding value %i\n", rate, channels, enc);
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}
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dpos += size;
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if (dpos >= *ndst) break;
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} while (ret != MPG123_ERR && ret != MPG123_NEED_MORE);
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*ndst = dpos;
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}
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/***********************************************************************
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* MPEG3_Reset
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*
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*/
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static void MPEG3_Reset(PACMDRVSTREAMINSTANCE adsi, AcmMpeg3Data* aad)
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{
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mpg123_feedseek(aad->mh, 0, SEEK_SET, NULL);
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mpg123_close(aad->mh);
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mpg123_open_feed(aad->mh);
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}
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/***********************************************************************
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* MPEG3_StreamOpen
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*
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*/
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static LRESULT MPEG3_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
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{
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AcmMpeg3Data* aad;
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int err;
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assert(!(adsi->fdwOpen & ACM_STREAMOPENF_ASYNC));
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if (MPEG3_GetFormatIndex(adsi->pwfxSrc) == 0xFFFFFFFF ||
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MPEG3_GetFormatIndex(adsi->pwfxDst) == 0xFFFFFFFF)
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return ACMERR_NOTPOSSIBLE;
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aad = HeapAlloc(GetProcessHeap(), 0, sizeof(AcmMpeg3Data));
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if (aad == 0) return MMSYSERR_NOMEM;
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adsi->dwDriver = (DWORD_PTR)aad;
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if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
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adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
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{
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goto theEnd;
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}
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else if ((adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
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adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEG) &&
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adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
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{
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/* resampling or mono <=> stereo not available
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* MPEG3 algo only define 16 bit per sample output
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*/
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if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
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adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
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adsi->pwfxDst->wBitsPerSample != 16)
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goto theEnd;
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aad->convert = mp3_horse;
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aad->mh = mpg123_new(NULL,&err);
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mpg123_open_feed(aad->mh);
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}
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/* no encoding yet
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else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
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adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
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*/
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else goto theEnd;
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MPEG3_Reset(adsi, aad);
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return MMSYSERR_NOERROR;
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theEnd:
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HeapFree(GetProcessHeap(), 0, aad);
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adsi->dwDriver = 0L;
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return MMSYSERR_NOTSUPPORTED;
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}
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/***********************************************************************
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* MPEG3_StreamClose
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*
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*/
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static LRESULT MPEG3_StreamClose(PACMDRVSTREAMINSTANCE adsi)
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{
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mpg123_close(((AcmMpeg3Data*)adsi->dwDriver)->mh);
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mpg123_delete(((AcmMpeg3Data*)adsi->dwDriver)->mh);
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HeapFree(GetProcessHeap(), 0, (void*)adsi->dwDriver);
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return MMSYSERR_NOERROR;
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}
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#elif defined(HAVE_AUDIOTOOLBOX_AUDIOCONVERTER_H)
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static const unsigned short Mp3BitRates[2][16] =
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{
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{0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 0},
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{0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 0}
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};
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static const unsigned short Mp3SampleRates[2][4] =
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{
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{44100, 48000, 32000, 0},
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{22050, 24000, 16000, 0}
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};
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typedef struct tagAcmMpeg3Data
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{
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LRESULT (*convert)(PACMDRVSTREAMINSTANCE adsi, unsigned char*,
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LPDWORD, unsigned char*, LPDWORD);
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AudioConverterRef acr;
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AudioStreamBasicDescription in,out;
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AudioBufferList outBuffer;
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AudioBuffer inBuffer;
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SInt32 tagBytesLeft;
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UInt32 NumberPackets;
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AudioStreamPacketDescription *PacketDescriptions;
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} AcmMpeg3Data;
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/***********************************************************************
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* MPEG3_drvOpen
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*/
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static LRESULT MPEG3_drvOpen(LPCSTR str)
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{
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return 1;
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}
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/***********************************************************************
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* MPEG3_drvClose
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*/
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static LRESULT MPEG3_drvClose(DWORD_PTR dwDevID)
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{
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return 1;
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}
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/*
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When it asks for data, give it all we have. If we have no data, we assume
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we will in the future, so give it no packets and return an error, which
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signals that we will have more later.
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*/
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static OSStatus Mp3AudioConverterComplexInputDataProc(
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AudioConverterRef inAudioConverter,
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UInt32 *ioNumberDataPackets,
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AudioBufferList *ioData,
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AudioStreamPacketDescription **outDataPacketDescription,
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void *inUserData
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)
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{
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AcmMpeg3Data *amd = (AcmMpeg3Data*)inUserData;
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if (amd->inBuffer.mDataByteSize > 0)
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{
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*ioNumberDataPackets = amd->NumberPackets;
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ioData->mNumberBuffers = 1;
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ioData->mBuffers[0] = amd->inBuffer;
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amd->inBuffer.mDataByteSize = 0;
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if (outDataPacketDescription)
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*outDataPacketDescription = amd->PacketDescriptions;
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return noErr;
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}
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else
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{
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*ioNumberDataPackets = 0;
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return -74;
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}
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}
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/*
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Get the length of the current frame. We need to be at the start of a
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frame now. The buffer must have at least the four bytes for the header.
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*/
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static SInt32 Mp3GetPacketLength(const unsigned char* src)
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{
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unsigned char mpegv;
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unsigned short brate, srate;
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unsigned int size;
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/*
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Check that our position looks like an MP3 header and see which type
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of MP3 file we have.
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*/
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if (src[0] == 0xff && src[1] >> 1 == 0x7d) mpegv = 0; /* MPEG-1 File */
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else if (src[0] == 0xff && src[1] >> 1 == 0x79) mpegv = 1; /* MPEG-2 File */
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else return -1;
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/* Fill in bit rate and sample rate. */
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brate = Mp3BitRates[mpegv][(src[2] & 0xf0) >> 4];
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srate = Mp3SampleRates[mpegv][(src[2] & 0xc) >> 2];
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/* Certain values for bit rate and sample rate are invalid. */
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if (brate == 0 || srate == 0) return -1;
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/* Compute frame size, round down */
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size = 72 * (2 - mpegv) * brate * 1000 / srate;
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/* If there is padding, add one byte */
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if (src[2] & 0x2) return size + 1;
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else return size;
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}
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/*
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Apple's AudioFileStream does weird things so we deal with parsing the
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file ourselves. It was also designed for a different use case, so this
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is not unexpected. We expect to have MP3 data as input (i.e. we can only
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deal with MPEG-1 or MPEG-2 Layer III), which simplifies parsing a bit. We
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understand the ID3v2 header and skip over it. Whenever we have data we
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want to skip at the beginning of the input, we do this by setting *ndst=0
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and *nsrc to the length of the unwanted data and return no error.
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*/
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static LRESULT mp3_leopard_horse(PACMDRVSTREAMINSTANCE adsi,
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unsigned char* src, LPDWORD nsrc,
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unsigned char* dst, LPDWORD ndst)
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{
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OSStatus err;
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UInt32 size, aspdi, synci, syncSkip;
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short framelen[4];
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const unsigned char* psrc;
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AcmMpeg3Data* amd = (AcmMpeg3Data*)adsi->dwDriver;
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TRACE("ndst %u %p <- %u %p\n", *ndst, dst, *nsrc, src);
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TRACE("First 16 bytes to input: %s\n", wine_dbgstr_an((const char *)src, 16));
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/* Parse ID3 tag */
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if (!memcmp(src, "ID3", 3) && amd->tagBytesLeft == -1)
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{
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amd->tagBytesLeft = (src[6] << 21) + (src[7] << 14) + (src[8] << 7) + src[9];
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if (src[5] & 0x10) amd->tagBytesLeft += 20; /* There is a footer */
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else amd->tagBytesLeft += 10;
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}
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/* Consume the tag */
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if (amd->tagBytesLeft >= (SInt32)*nsrc)
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{
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*ndst = 0;
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amd->tagBytesLeft -= *nsrc;
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TRACE("All %d bytes of source data is ID3 tag\n", *nsrc);
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return MMSYSERR_NOERROR;
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}
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else if (amd->tagBytesLeft > 0)
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{
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src += amd->tagBytesLeft;
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*nsrc -= amd->tagBytesLeft;
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TRACE("Skipping %ld for ID3 tag\n", amd->tagBytesLeft);
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}
|
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/*
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Sync to initial MP3 frame. The largest possible MP3 frame is 1440.
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Thus, in the first 1440 bytes we must find the beginning of 3 valid
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frames in a row unless we reach the end of the file first.
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*/
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syncSkip = 0;
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for (psrc = src; psrc <= src + *nsrc - 4 && psrc < src + 1440; psrc++)
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{
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framelen[0] = 0;
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for (synci = 1;
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synci < 4 && psrc + framelen[synci-1] < src + *nsrc - 4;
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synci++)
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{
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framelen[synci] = Mp3GetPacketLength(psrc + framelen[synci-1]);
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if (framelen[synci] == -1)
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{
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synci = 0;
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break;
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}
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framelen[synci] += framelen[synci-1];
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}
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if (synci > 0) /* We synced successfully */
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{
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if (psrc - src > 0)
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{
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syncSkip = psrc - src;
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src += syncSkip;
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*nsrc -= syncSkip;
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TRACE("Skipping %ld for frame sync\n", syncSkip);
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}
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break;
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}
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}
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if (Mp3GetPacketLength(src) == -1)
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{
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*ndst = *nsrc = 0;
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ERR("Frame sync failed. Cannot play file.\n");
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return MMSYSERR_ERROR;
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}
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|
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/*
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Fill in frame descriptions for all frames. We use an extra pointer
|
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to keep track of our position in the input.
|
|
*/
|
|
|
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amd->NumberPackets = 25; /* This is the initial array capacity */
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amd->PacketDescriptions = HeapAlloc(GetProcessHeap(), 0, amd->NumberPackets * sizeof(AudioStreamPacketDescription));
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if (amd->PacketDescriptions == 0) return MMSYSERR_NOMEM;
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|
|
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for (aspdi = 0, psrc = src;
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psrc <= src + *nsrc - 4;
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psrc += amd->PacketDescriptions[aspdi].mDataByteSize, aspdi++)
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{
|
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/* Return an error if we can't read the frame header */
|
|
if (Mp3GetPacketLength(psrc) == -1)
|
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{
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*ndst = *nsrc = 0;
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ERR("Invalid header at %p.\n", psrc);
|
|
HeapFree(GetProcessHeap(), 0, amd->PacketDescriptions);
|
|
return MMSYSERR_ERROR;
|
|
}
|
|
|
|
/* If we run out of space, double size and reallocate */
|
|
if (aspdi >= amd->NumberPackets)
|
|
{
|
|
amd->NumberPackets *= 2;
|
|
amd->PacketDescriptions = HeapReAlloc(GetProcessHeap(), 0, amd->PacketDescriptions, amd->NumberPackets * sizeof(AudioStreamPacketDescription));
|
|
if (amd->PacketDescriptions == 0) return MMSYSERR_NOMEM;
|
|
}
|
|
|
|
/* Fill in packet data */
|
|
amd->PacketDescriptions[aspdi].mStartOffset = psrc - src;
|
|
amd->PacketDescriptions[aspdi].mVariableFramesInPacket = 0;
|
|
amd->PacketDescriptions[aspdi].mDataByteSize = Mp3GetPacketLength(psrc);
|
|
|
|
/* If this brings us past the end, the last one doesn't count */
|
|
if (psrc + amd->PacketDescriptions[aspdi].mDataByteSize > src + *nsrc) break;
|
|
}
|
|
|
|
/* Fill in correct number of frames */
|
|
amd->NumberPackets = aspdi;
|
|
|
|
/* Adjust nsrc to only include full frames */
|
|
*nsrc = psrc - src;
|
|
|
|
amd->inBuffer.mDataByteSize = *nsrc;
|
|
amd->inBuffer.mData = src;
|
|
amd->inBuffer.mNumberChannels = amd->in.mChannelsPerFrame;
|
|
|
|
amd->outBuffer.mNumberBuffers = 1;
|
|
amd->outBuffer.mBuffers[0].mDataByteSize = *ndst;
|
|
amd->outBuffer.mBuffers[0].mData = dst;
|
|
amd->outBuffer.mBuffers[0].mNumberChannels = amd->out.mChannelsPerFrame;
|
|
|
|
/* Convert the data */
|
|
size = amd->outBuffer.mBuffers[0].mDataByteSize / amd->out.mBytesPerPacket;
|
|
err = AudioConverterFillComplexBuffer(amd->acr, Mp3AudioConverterComplexInputDataProc, amd, &size, &amd->outBuffer, 0);
|
|
|
|
HeapFree(GetProcessHeap(), 0, amd->PacketDescriptions);
|
|
|
|
/* Add skipped bytes back into *nsrc */
|
|
if (amd->tagBytesLeft > 0)
|
|
{
|
|
*nsrc += amd->tagBytesLeft;
|
|
amd->tagBytesLeft = 0;
|
|
}
|
|
*nsrc += syncSkip;
|
|
|
|
if (err != noErr && err != -74)
|
|
{
|
|
*ndst = *nsrc = 0;
|
|
ERR("Feed Error: %ld\n", err);
|
|
return MMSYSERR_ERROR;
|
|
}
|
|
|
|
*ndst = amd->outBuffer.mBuffers[0].mDataByteSize;
|
|
|
|
TRACE("convert %d -> %d\n", *nsrc, *ndst);
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_Reset
|
|
*
|
|
*/
|
|
static void MPEG3_Reset(PACMDRVSTREAMINSTANCE adsi, AcmMpeg3Data* aad)
|
|
{
|
|
AudioConverterReset(aad->acr);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_StreamOpen
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
|
|
{
|
|
AcmMpeg3Data* aad;
|
|
|
|
assert(!(adsi->fdwOpen & ACM_STREAMOPENF_ASYNC));
|
|
|
|
if (MPEG3_GetFormatIndex(adsi->pwfxSrc) == 0xFFFFFFFF ||
|
|
MPEG3_GetFormatIndex(adsi->pwfxDst) == 0xFFFFFFFF)
|
|
return ACMERR_NOTPOSSIBLE;
|
|
|
|
aad = HeapAlloc(GetProcessHeap(), 0, sizeof(AcmMpeg3Data));
|
|
if (aad == 0) return MMSYSERR_NOMEM;
|
|
|
|
adsi->dwDriver = (DWORD_PTR)aad;
|
|
|
|
if ((adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
|
|
adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEG) &&
|
|
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
|
|
{
|
|
OSStatus err;
|
|
|
|
aad->in.mSampleRate = adsi->pwfxSrc->nSamplesPerSec;
|
|
aad->out.mSampleRate = adsi->pwfxDst->nSamplesPerSec;
|
|
aad->in.mBitsPerChannel = adsi->pwfxSrc->wBitsPerSample;
|
|
aad->out.mBitsPerChannel = adsi->pwfxDst->wBitsPerSample;
|
|
aad->in.mFormatID = kAudioFormatMPEGLayer3;
|
|
aad->out.mFormatID = kAudioFormatLinearPCM;
|
|
aad->in.mChannelsPerFrame = adsi->pwfxSrc->nChannels;
|
|
aad->out.mChannelsPerFrame = adsi->pwfxDst->nChannels;
|
|
aad->in.mFormatFlags = 0;
|
|
aad->out.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
|
|
aad->in.mBytesPerFrame = 0;
|
|
aad->out.mBytesPerFrame = (aad->out.mBitsPerChannel * aad->out.mChannelsPerFrame) / 8;
|
|
aad->in.mBytesPerPacket = 0;
|
|
aad->out.mBytesPerPacket = aad->out.mBytesPerFrame;
|
|
aad->in.mFramesPerPacket = 0;
|
|
aad->out.mFramesPerPacket = 1;
|
|
aad->in.mReserved = aad->out.mReserved = 0;
|
|
|
|
aad->tagBytesLeft = -1;
|
|
|
|
aad->convert = mp3_leopard_horse;
|
|
|
|
err = AudioConverterNew(&aad->in, &aad->out, &aad->acr);
|
|
if (err != noErr)
|
|
{
|
|
ERR("Create failed: %ld\n", err);
|
|
}
|
|
else
|
|
{
|
|
MPEG3_Reset(adsi, aad);
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, aad);
|
|
adsi->dwDriver = 0;
|
|
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_StreamClose
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_StreamClose(PACMDRVSTREAMINSTANCE adsi)
|
|
{
|
|
AcmMpeg3Data* amd = (AcmMpeg3Data*)adsi->dwDriver;
|
|
|
|
AudioConverterDispose(amd->acr);
|
|
|
|
HeapFree(GetProcessHeap(), 0, amd);
|
|
adsi->dwDriver = 0;
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
#endif
|
|
|
|
/***********************************************************************
|
|
* MPEG3_DriverDetails
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_DriverDetails(PACMDRIVERDETAILSW add)
|
|
{
|
|
add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
|
|
add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
|
|
add->wMid = 0xFF;
|
|
add->wPid = 0x00;
|
|
add->vdwACM = 0x01000000;
|
|
add->vdwDriver = 0x01000000;
|
|
add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
|
|
add->cFormatTags = 3; /* PCM, MPEG3 */
|
|
add->cFilterTags = 0;
|
|
add->hicon = NULL;
|
|
MultiByteToWideChar( CP_ACP, 0, "WINE-MPEG3", -1,
|
|
add->szShortName, sizeof(add->szShortName)/sizeof(WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, "Wine MPEG3 decoder", -1,
|
|
add->szLongName, sizeof(add->szLongName)/sizeof(WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1,
|
|
add->szCopyright, sizeof(add->szCopyright)/sizeof(WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
|
|
add->szLicensing, sizeof(add->szLicensing)/sizeof(WCHAR) );
|
|
add->szFeatures[0] = 0;
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_FormatTagDetails
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
|
|
{
|
|
static const WCHAR szPcm[]={'P','C','M',0};
|
|
static const WCHAR szMpeg3[]={'M','P','e','g','3',0};
|
|
static const WCHAR szMpeg[]={'M','P','e','g',0};
|
|
|
|
switch (dwQuery)
|
|
{
|
|
case ACM_FORMATTAGDETAILSF_INDEX:
|
|
if (aftd->dwFormatTagIndex > 2) return ACMERR_NOTPOSSIBLE;
|
|
break;
|
|
case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
|
|
if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
|
|
{
|
|
aftd->dwFormatTagIndex = 2; /* WAVE_FORMAT_MPEG is biggest */
|
|
break;
|
|
}
|
|
/* fall thru */
|
|
case ACM_FORMATTAGDETAILSF_FORMATTAG:
|
|
switch (aftd->dwFormatTag)
|
|
{
|
|
case WAVE_FORMAT_PCM: aftd->dwFormatTagIndex = 0; break;
|
|
case WAVE_FORMAT_MPEGLAYER3: aftd->dwFormatTagIndex = 1; break;
|
|
case WAVE_FORMAT_MPEG: aftd->dwFormatTagIndex = 2; break;
|
|
default: return ACMERR_NOTPOSSIBLE;
|
|
}
|
|
break;
|
|
default:
|
|
WARN("Unsupported query %08x\n", dwQuery);
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
|
|
aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
|
|
switch (aftd->dwFormatTagIndex)
|
|
{
|
|
case 0:
|
|
aftd->dwFormatTag = WAVE_FORMAT_PCM;
|
|
aftd->cbFormatSize = sizeof(PCMWAVEFORMAT);
|
|
aftd->cStandardFormats = NUM_PCM_FORMATS;
|
|
lstrcpyW(aftd->szFormatTag, szPcm);
|
|
break;
|
|
case 1:
|
|
aftd->dwFormatTag = WAVE_FORMAT_MPEGLAYER3;
|
|
aftd->cbFormatSize = sizeof(MPEGLAYER3WAVEFORMAT);
|
|
aftd->cStandardFormats = NUM_MPEG3_FORMATS;
|
|
lstrcpyW(aftd->szFormatTag, szMpeg3);
|
|
break;
|
|
case 2:
|
|
aftd->dwFormatTag = WAVE_FORMAT_MPEG;
|
|
aftd->cbFormatSize = sizeof(MPEG1WAVEFORMAT);
|
|
aftd->cStandardFormats = NUM_MPEG3_FORMATS;
|
|
lstrcpyW(aftd->szFormatTag, szMpeg);
|
|
break;
|
|
}
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
static void fill_in_mp3(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
|
|
{
|
|
MPEGLAYER3WAVEFORMAT* mp3wfx = (MPEGLAYER3WAVEFORMAT*)wfx;
|
|
|
|
wfx->nAvgBytesPerSec = bit_rate / 8;
|
|
if (cbwfx >= sizeof(WAVEFORMATEX))
|
|
wfx->cbSize = sizeof(MPEGLAYER3WAVEFORMAT) - sizeof(WAVEFORMATEX);
|
|
if (cbwfx >= sizeof(MPEGLAYER3WAVEFORMAT))
|
|
{
|
|
mp3wfx->wID = MPEGLAYER3_ID_MPEG;
|
|
mp3wfx->fdwFlags = MPEGLAYER3_FLAG_PADDING_OFF;
|
|
mp3wfx->nBlockSize = (bit_rate * 144) / wfx->nSamplesPerSec;
|
|
mp3wfx->nFramesPerBlock = 1;
|
|
mp3wfx->nCodecDelay = 0x0571;
|
|
}
|
|
}
|
|
|
|
static void fill_in_mpeg(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
|
|
{
|
|
MPEG1WAVEFORMAT* mp3wfx = (MPEG1WAVEFORMAT*)wfx;
|
|
|
|
wfx->nAvgBytesPerSec = bit_rate / 8;
|
|
if (cbwfx >= sizeof(WAVEFORMATEX))
|
|
wfx->cbSize = sizeof(MPEG1WAVEFORMAT) - sizeof(WAVEFORMATEX);
|
|
if (cbwfx >= sizeof(MPEG1WAVEFORMAT))
|
|
{
|
|
mp3wfx->fwHeadLayer = ACM_MPEG_LAYER3;
|
|
mp3wfx->dwHeadBitrate = wfx->nAvgBytesPerSec * 8;
|
|
mp3wfx->fwHeadMode = ACM_MPEG_JOINTSTEREO;
|
|
mp3wfx->fwHeadModeExt = 0xf;
|
|
mp3wfx->wHeadEmphasis = 1;
|
|
mp3wfx->fwHeadFlags = ACM_MPEG_ID_MPEG1;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_FormatDetails
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
|
|
{
|
|
switch (dwQuery)
|
|
{
|
|
case ACM_FORMATDETAILSF_FORMAT:
|
|
if (MPEG3_GetFormatIndex(afd->pwfx) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
|
|
break;
|
|
case ACM_FORMATDETAILSF_INDEX:
|
|
afd->pwfx->wFormatTag = afd->dwFormatTag;
|
|
switch (afd->dwFormatTag)
|
|
{
|
|
case WAVE_FORMAT_PCM:
|
|
if (afd->dwFormatIndex >= NUM_PCM_FORMATS) return ACMERR_NOTPOSSIBLE;
|
|
afd->pwfx->nChannels = PCM_Formats[afd->dwFormatIndex].nChannels;
|
|
afd->pwfx->nSamplesPerSec = PCM_Formats[afd->dwFormatIndex].rate;
|
|
afd->pwfx->wBitsPerSample = PCM_Formats[afd->dwFormatIndex].nBits;
|
|
/* native MSACM uses a PCMWAVEFORMAT structure, so cbSize is not accessible
|
|
* afd->pwfx->cbSize = 0;
|
|
*/
|
|
afd->pwfx->nBlockAlign =
|
|
(afd->pwfx->nChannels * afd->pwfx->wBitsPerSample) / 8;
|
|
afd->pwfx->nAvgBytesPerSec =
|
|
afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign;
|
|
break;
|
|
case WAVE_FORMAT_MPEGLAYER3:
|
|
case WAVE_FORMAT_MPEG:
|
|
if (afd->dwFormatIndex >= NUM_MPEG3_FORMATS) return ACMERR_NOTPOSSIBLE;
|
|
afd->pwfx->nChannels = MPEG3_Formats[afd->dwFormatIndex].nChannels;
|
|
afd->pwfx->nSamplesPerSec = MPEG3_Formats[afd->dwFormatIndex].rate;
|
|
afd->pwfx->wBitsPerSample = MPEG3_Formats[afd->dwFormatIndex].nBits;
|
|
afd->pwfx->nBlockAlign = 1;
|
|
if (afd->dwFormatTag == WAVE_FORMAT_MPEGLAYER3)
|
|
fill_in_mp3(afd->cbwfx, afd->pwfx, 192000);
|
|
else
|
|
fill_in_mpeg(afd->cbwfx, afd->pwfx, 192000);
|
|
break;
|
|
default:
|
|
WARN("Unsupported tag %08x\n", afd->dwFormatTag);
|
|
return MMSYSERR_INVALPARAM;
|
|
}
|
|
break;
|
|
default:
|
|
WARN("Unsupported query %08x\n", dwQuery);
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
|
|
afd->szFormat[0] = 0; /* let MSACM format this for us... */
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_FormatSuggest
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
|
|
{
|
|
/* some tests ... */
|
|
if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
|
|
adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) ||
|
|
MPEG3_GetFormatIndex(adfs->pwfxSrc) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
|
|
/* FIXME: should do those tests against the real size (according to format tag */
|
|
|
|
/* If no suggestion for destination, then copy source value */
|
|
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS))
|
|
adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels;
|
|
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC))
|
|
adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec;
|
|
|
|
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE))
|
|
{
|
|
if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
|
|
adfs->pwfxDst->wBitsPerSample = 4;
|
|
else
|
|
adfs->pwfxDst->wBitsPerSample = 16;
|
|
}
|
|
if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG))
|
|
{
|
|
if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
|
|
adfs->pwfxDst->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
|
|
else
|
|
adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM;
|
|
}
|
|
|
|
/* check if result is ok */
|
|
if (MPEG3_GetFormatIndex(adfs->pwfxDst) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
|
|
|
|
/* recompute other values */
|
|
switch (adfs->pwfxDst->wFormatTag)
|
|
{
|
|
case WAVE_FORMAT_PCM:
|
|
adfs->pwfxDst->nBlockAlign = (adfs->pwfxDst->nChannels * adfs->pwfxDst->wBitsPerSample) / 8;
|
|
adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * adfs->pwfxDst->nBlockAlign;
|
|
break;
|
|
case WAVE_FORMAT_MPEG:
|
|
adfs->pwfxDst->nBlockAlign = 1;
|
|
fill_in_mpeg(adfs->cbwfxDst, adfs->pwfxDst, 192000);
|
|
break;
|
|
case WAVE_FORMAT_MPEGLAYER3:
|
|
adfs->pwfxDst->nBlockAlign = 1;
|
|
fill_in_mp3(adfs->cbwfxDst, adfs->pwfxDst, 192000);
|
|
break;
|
|
default:
|
|
FIXME("\n");
|
|
break;
|
|
}
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_StreamSize
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE adss)
|
|
{
|
|
DWORD nblocks;
|
|
|
|
switch (adss->fdwSize)
|
|
{
|
|
case ACM_STREAMSIZEF_DESTINATION:
|
|
/* cbDstLength => cbSrcLength */
|
|
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
|
|
(adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
|
|
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEG))
|
|
{
|
|
nblocks = (adss->cbDstLength - 3000) / (DWORD)(adsi->pwfxDst->nAvgBytesPerSec * 1152 / adsi->pwfxDst->nSamplesPerSec + 0.5);
|
|
if (nblocks == 0)
|
|
return ACMERR_NOTPOSSIBLE;
|
|
adss->cbSrcLength = nblocks * 1152 * adsi->pwfxSrc->nBlockAlign;
|
|
}
|
|
else if ((adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
|
|
adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEG) &&
|
|
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
|
|
{
|
|
nblocks = adss->cbDstLength / (adsi->pwfxDst->nBlockAlign * 1152);
|
|
if (nblocks == 0)
|
|
return ACMERR_NOTPOSSIBLE;
|
|
adss->cbSrcLength = nblocks * (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec);
|
|
}
|
|
else
|
|
{
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
break;
|
|
case ACM_STREAMSIZEF_SOURCE:
|
|
/* cbSrcLength => cbDstLength */
|
|
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
|
|
(adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
|
|
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEG))
|
|
{
|
|
nblocks = adss->cbSrcLength / (adsi->pwfxSrc->nBlockAlign * 1152);
|
|
if (nblocks == 0)
|
|
return ACMERR_NOTPOSSIBLE;
|
|
if (adss->cbSrcLength % (DWORD)(adsi->pwfxSrc->nBlockAlign * 1152))
|
|
/* Round block count up. */
|
|
nblocks++;
|
|
adss->cbDstLength = 3000 + nblocks * (DWORD)(adsi->pwfxDst->nAvgBytesPerSec * 1152 / adsi->pwfxDst->nSamplesPerSec + 0.5);
|
|
}
|
|
else if ((adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
|
|
adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEG) &&
|
|
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
|
|
{
|
|
nblocks = adss->cbSrcLength / (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec);
|
|
if (nblocks == 0)
|
|
return ACMERR_NOTPOSSIBLE;
|
|
if (adss->cbSrcLength % (DWORD)(adsi->pwfxSrc->nAvgBytesPerSec * 1152 / adsi->pwfxSrc->nSamplesPerSec))
|
|
/* Round block count up. */
|
|
nblocks++;
|
|
adss->cbDstLength = nblocks * 1152 * adsi->pwfxDst->nBlockAlign;
|
|
}
|
|
else
|
|
{
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
break;
|
|
default:
|
|
WARN("Unsupported query %08x\n", adss->fdwSize);
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MPEG3_StreamConvert
|
|
*
|
|
*/
|
|
static LRESULT MPEG3_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
|
|
{
|
|
AcmMpeg3Data* aad = (AcmMpeg3Data*)adsi->dwDriver;
|
|
DWORD nsrc = adsh->cbSrcLength;
|
|
DWORD ndst = adsh->cbDstLength;
|
|
|
|
if (adsh->fdwConvert &
|
|
~(ACM_STREAMCONVERTF_BLOCKALIGN|
|
|
ACM_STREAMCONVERTF_END|
|
|
ACM_STREAMCONVERTF_START))
|
|
{
|
|
FIXME("Unsupported fdwConvert (%08x), ignoring it\n", adsh->fdwConvert);
|
|
}
|
|
/* ACM_STREAMCONVERTF_BLOCKALIGN
|
|
* currently all conversions are block aligned, so do nothing for this flag
|
|
* ACM_STREAMCONVERTF_END
|
|
* no pending data, so do nothing for this flag
|
|
*/
|
|
if ((adsh->fdwConvert & ACM_STREAMCONVERTF_START))
|
|
{
|
|
MPEG3_Reset(adsi, aad);
|
|
}
|
|
|
|
aad->convert(adsi, adsh->pbSrc, &nsrc, adsh->pbDst, &ndst);
|
|
adsh->cbSrcLengthUsed = nsrc;
|
|
adsh->cbDstLengthUsed = ndst;
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MPEG3_DriverProc [exported]
|
|
*/
|
|
LRESULT CALLBACK MPEG3_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
|
|
LPARAM dwParam1, LPARAM dwParam2)
|
|
{
|
|
TRACE("(%08lx %p %04x %08lx %08lx);\n",
|
|
dwDevID, hDriv, wMsg, dwParam1, dwParam2);
|
|
|
|
switch (wMsg)
|
|
{
|
|
case DRV_LOAD: return 1;
|
|
case DRV_FREE: return 1;
|
|
case DRV_OPEN: return MPEG3_drvOpen((LPSTR)dwParam1);
|
|
case DRV_CLOSE: return MPEG3_drvClose(dwDevID);
|
|
case DRV_ENABLE: return 1;
|
|
case DRV_DISABLE: return 1;
|
|
case DRV_QUERYCONFIGURE: return 1;
|
|
case DRV_CONFIGURE: MessageBoxA(0, "MPEG3 filter !", "Wine Driver", MB_OK); return 1;
|
|
case DRV_INSTALL: return DRVCNF_RESTART;
|
|
case DRV_REMOVE: return DRVCNF_RESTART;
|
|
|
|
case ACMDM_DRIVER_NOTIFY:
|
|
/* no caching from other ACM drivers is done so far */
|
|
return MMSYSERR_NOERROR;
|
|
|
|
case ACMDM_DRIVER_DETAILS:
|
|
return MPEG3_DriverDetails((PACMDRIVERDETAILSW)dwParam1);
|
|
|
|
case ACMDM_FORMATTAG_DETAILS:
|
|
return MPEG3_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2);
|
|
|
|
case ACMDM_FORMAT_DETAILS:
|
|
return MPEG3_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2);
|
|
|
|
case ACMDM_FORMAT_SUGGEST:
|
|
return MPEG3_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1);
|
|
|
|
case ACMDM_STREAM_OPEN:
|
|
return MPEG3_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1);
|
|
|
|
case ACMDM_STREAM_CLOSE:
|
|
return MPEG3_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1);
|
|
|
|
case ACMDM_STREAM_SIZE:
|
|
return MPEG3_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2);
|
|
|
|
case ACMDM_STREAM_CONVERT:
|
|
return MPEG3_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2);
|
|
|
|
case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
|
|
case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
|
|
/* this converter is not a hardware driver */
|
|
case ACMDM_FILTERTAG_DETAILS:
|
|
case ACMDM_FILTER_DETAILS:
|
|
/* this converter is not a filter */
|
|
case ACMDM_STREAM_RESET:
|
|
/* only needed for asynchronous driver... we aren't, so just say it */
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
case ACMDM_STREAM_PREPARE:
|
|
case ACMDM_STREAM_UNPREPARE:
|
|
/* nothing special to do here... so don't do anything */
|
|
return MMSYSERR_NOERROR;
|
|
|
|
default:
|
|
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
|
|
}
|
|
}
|