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adapt the record format with the input format

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28302 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval 2008-10-23 19:02:08 +00:00
parent 2469a6f427
commit 88fef303b1
2 changed files with 17 additions and 11 deletions
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26
src/apps/soundrecorder/RecorderWindow.cpp
View File

@ -651,14 +651,16 @@ RecorderWindow::Record(BMessage * message)
return;
}
// Reserve space on disk (creates fewer fragments)
err = fRecFile.SetSize(seconds*4*48000LL);
err = fRecFile.SetSize(seconds * fRecordFormat.u.raw_audio.channel_count
* fRecordFormat.u.raw_audio.frame_rate * (fRecordFormat.u.raw_audio.format & 0xf));
if (err < B_OK) {
ErrorAlert("record a sound that long", err);
fRecEntry.Remove();
fRecEntry.Unset();
return;
}
fRecLimit = seconds*4*48000LL;
fRecLimit = (off_t)(seconds * fRecordFormat.u.raw_audio.channel_count
* fRecordFormat.u.raw_audio.frame_rate * (fRecordFormat.u.raw_audio.format & 0xf));
fRecSize = 0;
fRecFile.Seek(sizeof(struct wave_struct), SEEK_SET);
@ -917,9 +919,8 @@ RecorderWindow::MakeRecordConnection(const media_node & input)
}
// Get a format, any format.
media_format fmt;
fmt.u.raw_audio = fAudioOutput.format.u.raw_audio;
fmt.type = B_MEDIA_RAW_AUDIO;
fRecordFormat.u.raw_audio = fAudioOutput.format.u.raw_audio;
fRecordFormat.type = B_MEDIA_RAW_AUDIO;
// Tell the consumer where we want data to go.
err = fRecordNode->SetHooks(RecordFile, NotifyRecordFile, this);
@ -930,7 +931,7 @@ RecorderWindow::MakeRecordConnection(const media_node & input)
}
// Using the same structs for input and output is OK in BMediaRoster::Connect().
err = fRoster->Connect(fAudioOutput.source, fRecInput.destination, &fmt, &fAudioOutput, &fRecInput);
err = fRoster->Connect(fAudioOutput.source, fRecInput.destination, &fRecordFormat, &fAudioOutput, &fRecInput);
if (err < B_OK) {
CONNECT((stderr, "RecorderWindow::MakeRecordConnection(): failed to connect sound recorder to audio input node.\n"));
tsobj->Release();
@ -978,11 +979,14 @@ RecorderWindow::StopRecording()
header.format_chunk.fourcc = FOURCC('f','m','t',' ');
header.format_chunk.len = sizeof(header.format);
header.format.format_tag = 1;
header.format.channels = 2;
header.format.samples_per_sec = 48000;
header.format.avg_bytes_per_sec = 48000 * 4;
header.format.block_align = 4;
header.format.bits_per_sample = 16;
header.format.channels = fRecordFormat.u.raw_audio.channel_count;
header.format.samples_per_sec = (uint32)fRecordFormat.u.raw_audio.frame_rate;
header.format.avg_bytes_per_sec = (uint32)(fRecordFormat.u.raw_audio.frame_rate
* fRecordFormat.u.raw_audio.channel_count
* (fRecordFormat.u.raw_audio.format & 0xf));
header.format.bits_per_sample = (fRecordFormat.u.raw_audio.format & 0xf) * 8;
header.format.block_align = (fRecordFormat.u.raw_audio.format & 0xf)
* fRecordFormat.u.raw_audio.channel_count;
header.data_chunk.fourcc = FOURCC('d','a','t','a');
header.data_chunk.len = fRecSize;
fRecFile.Seek(0, SEEK_SET);

2
src/apps/soundrecorder/RecorderWindow.h
View File

@ -111,6 +111,8 @@ private:
BtnState fButtonState;
BEntry fRecEntry;
media_format fRecordFormat;
BFile fRecFile;
off_t fRecLimit;
off_t fRecSize;