[PATCH] winemp3: Add support for WAVE_FORMAT_MPEG
Maarten Lankhorst
m.b.lankhorst at gmail.com
Mon Sep 26 10:36:49 CDT 2011
Signed-off-by: Maarten Lankhorst <m.b.lankhorst at gmail.com>
---
diff --git a/dlls/winemp3.acm/mpegl3.c b/dlls/winemp3.acm/mpegl3.c
index 548483a..21962b4 100644
--- a/dlls/winemp3.acm/mpegl3.c
+++ b/dlls/winemp3.acm/mpegl3.c
@@ -106,6 +106,7 @@ static DWORD MPEG3_GetFormatIndex(LPWAVEFORMATEX wfx)
hi = NUM_PCM_FORMATS;
fmts = PCM_Formats;
break;
+ case WAVE_FORMAT_MPEG:
case WAVE_FORMAT_MPEGLAYER3:
hi = NUM_MPEG3_FORMATS;
fmts = MPEG3_Formats;
@@ -233,7 +234,8 @@ static LRESULT MPEG3_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
{
goto theEnd;
}
- else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
+ else if ((adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
+ adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEG) &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
{
/* resampling or mono <=> stereo not available
@@ -583,7 +585,8 @@ static LRESULT MPEG3_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
adsi->dwDriver = (DWORD_PTR)aad;
- if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
+ if ((adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
+ adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEG) &&
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
{
OSStatus err;
@@ -660,7 +663,7 @@ static LRESULT MPEG3_DriverDetails(PACMDRIVERDETAILSW add)
add->vdwACM = 0x01000000;
add->vdwDriver = 0x01000000;
add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
- add->cFormatTags = 2; /* PCM, MPEG3 */
+ add->cFormatTags = 3; /* PCM, MPEG3 */
add->cFilterTags = 0;
add->hicon = NULL;
MultiByteToWideChar( CP_ACP, 0, "WINE-MPEG3", -1,
@@ -684,16 +687,17 @@ 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;
+ if (aftd->dwFormatTagIndex > 2) return ACMERR_NOTPOSSIBLE;
break;
case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
{
- aftd->dwFormatTagIndex = 1; /* WAVE_FORMAT_MPEGLAYER3 is bigger than PCM */
+ aftd->dwFormatTagIndex = 2; /* WAVE_FORMAT_MPEG is biggest */
break;
}
/* fall thru */
@@ -702,6 +706,7 @@ static LRESULT MPEG3_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
{
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;
@@ -725,11 +730,17 @@ static LRESULT MPEG3_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
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_wfx(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
+static void fill_in_mp3(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
{
MPEGLAYER3WAVEFORMAT* mp3wfx = (MPEGLAYER3WAVEFORMAT*)wfx;
@@ -746,6 +757,24 @@ static void fill_in_wfx(unsigned cbwfx, WAVEFORMATEX* wfx, unsigned bit_rate)
}
}
+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
*
@@ -775,12 +804,16 @@ static LRESULT MPEG3_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
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;
- fill_in_wfx(afd->cbwfx, afd->pwfx, 192000);
+ 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);
@@ -840,9 +873,13 @@ static LRESULT MPEG3_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
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_wfx(adfs->cbwfxDst, adfs->pwfxDst, 192000);
+ fill_in_mp3(adfs->cbwfxDst, adfs->pwfxDst, 192000);
break;
default:
FIXME("\n");
@@ -865,14 +902,16 @@ static LRESULT MPEG3_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE ad
case ACM_STREAMSIZEF_DESTINATION:
/* cbDstLength => cbSrcLength */
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
- adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
+ (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 &&
+ 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);
@@ -888,7 +927,8 @@ static LRESULT MPEG3_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE ad
case ACM_STREAMSIZEF_SOURCE:
/* cbSrcLength => cbDstLength */
if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
- adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3)
+ (adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEGLAYER3 ||
+ adsi->pwfxDst->wFormatTag == WAVE_FORMAT_MPEG))
{
nblocks = adss->cbSrcLength / (adsi->pwfxSrc->nBlockAlign * 1152);
if (nblocks == 0)
@@ -898,7 +938,8 @@ static LRESULT MPEG3_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE ad
nblocks++;
adss->cbDstLength = 3000 + nblocks * (DWORD)(adsi->pwfxDst->nAvgBytesPerSec * 1152 / adsi->pwfxDst->nSamplesPerSec + 0.5);
}
- else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_MPEGLAYER3 &&
+ 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);
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