Hello Thomas,
Sunday, July 01, 2001, 4:32:18 PM, you wrote:
TH> I am using 0.53.5.
TH> Thanks for looking into this.
Try this patch ( apply it in lib/audioencoder directory ):
--- mp3encoder.cpp.old Tue Oct 10 11:31:36 2000
+++ mp3encoder.cpp Thu May 17 15:18:43 2001
@@ -8,7 +8,7 @@
in_fmt=*format;
lame_init(&gf);
gf.silent=1;
- gf.padding=1;
+ gf.padding=2;
gf.VBR=0;
gf.in_samplerate=format->nSamplesPerSec;
gf.num_channels=format->nChannels;
@@ -34,20 +34,39 @@
gf.quality=quality;
return 0;
}
+struct __attribute__((__packed__)) strf_mp3
+{
+ short wID;
+ int fdwFlags;
+ short nBlockSize;
+ short nFramesPerBlock;
+ short nCodecDelay;
+};
+
int MP3Encoder::GetFormatSize()
{
- return 18;
+ return 30;
}
int MP3Encoder::GetFormat(char* extension, int size)
{
- if(size<18)return -1;
+ if(size<30)return -1;
WAVEFORMATEX wf;
memcpy(&wf, &in_fmt, 18);
wf.wFormatTag=0x55;
wf.nAvgBytesPerSec=gf.brate*125;
wf.nBlockAlign=1;
- wf.cbSize=0;
+ wf.wBitsPerSample=0;
+ wf.cbSize=12;
memcpy(extension, &wf, 18);
+
+ lame_init_params(&gf);
+ mp3extra.wID = 1; //
+ mp3extra.fdwFlags = 2; // These values
+ mp3extra.nBlockSize = gf.framesize; // based on an
+ mp3extra.nFramesPerBlock = 1; // old Usenet post!!
+ mp3extra.nCodecDelay = 1393; //
+ memcpy(extension+18, &mp3extra, 12);
+
return 0;
}
int MP3Encoder::Start()
--
Best regards,
Eugene
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