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BSoundFile: implement most of it.

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Based on the amazing work of puckipedia, this gets BePac Deluxe to play
fine on Haiku (complete with sound effects and music).

This is based on his original patch, but the irrelevent parts (working
around bugs in ffmpeg that were fixed since then) are removed.

Fixes #9939.
This commit is contained in:
Adrien Destugues 2016-12-30 17:32:48 +01:00
parent 3a530660d0
commit f621b750f6
1 changed files with 37 additions and 10 deletions
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47
src/kits/media/SoundFile.cpp
View File

@ -239,9 +239,21 @@ size_t
BSoundFile::ReadFrames(char *buf,
size_t count)
{
UNIMPLEMENTED();
return 0;
size_t frameRead = 0;
int64 frames = count;
while (count > 0) {
status_t status = fMediaTrack->ReadFrames(
reinterpret_cast<void *>(buf), &frames);
count -= frames;
frameRead += frames;
buf += fSampleSize * fChannelCount * frames;
if (status != B_OK) {
if (frameRead > 0)
break;
return status;
}
}
return frameRead;
}
@ -249,18 +261,21 @@ size_t
BSoundFile::WriteFrames(char *buf,
size_t count)
{
UNIMPLEMENTED();
return 0;
return fMediaTrack->WriteFrames(
reinterpret_cast<void *>(buf), count);
}
/* virtual */ off_t
BSoundFile::SeekToFrame(off_t n)
{
UNIMPLEMENTED();
int64 frames = n;
status_t status = fMediaTrack->SeekToFrame(&frames);
return 0;
if (status != B_OK)
return status;
return frames;
}
@ -306,6 +321,17 @@ BSoundFile::_init_raw_stats()
}
static int32
_ParseMimeType(char *mime_type)
{
if (strcmp(mime_type, "audio/x-aiff") == 0)
return B_AIFF_FILE;
if (strcmp(mime_type, "audio/x-wav") == 0)
return B_WAVE_FILE;
return B_UNKNOWN_FILE;
}
status_t
BSoundFile::_ref_to_file(const entry_ref *ref)
{
@ -328,14 +354,14 @@ BSoundFile::_ref_to_file(const entry_ref *ref)
switch (mfi.family) {
case B_AIFF_FORMAT_FAMILY: fFileFormat = B_AIFF_FILE; break;
case B_WAV_FORMAT_FAMILY: fFileFormat = B_WAVE_FILE; break;
default: fFileFormat = B_UNKNOWN_FILE; break;
default: fFileFormat = _ParseMimeType(mfi.mime_type); break;
}
int trackNum = 0;
BMediaTrack * track = 0;
media_format mf;
while (trackNum < media->CountTracks()) {
track = media->TrackAt(trackNum);
status = track->EncodedFormat(&mf);
status = track->DecodedFormat(&mf);
if (status != B_OK) {
media->ReleaseTrack(track);
delete media;
@ -393,6 +419,7 @@ BSoundFile::_ref_to_file(const entry_ref *ref)
}
fMediaFile = media;
fMediaTrack = track;
fSoundFile = file;
return B_OK;
}