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a couple of fixes to the error handling code

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5631 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2003-12-08 22:16:03 +00:00
parent 37c555c2ca
commit 8d52474bc7
4 changed files with 27 additions and 16 deletions
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20
src/kits/media/MediaExtractor.cpp
View File

@ -10,12 +10,13 @@ MediaExtractor::MediaExtractor(BDataIO * source, int32 flags)
CALLED();
fSource = source;
fStreamInfo = 0;
fStreamCount = 0;
fReader = 0;
fErr = _CreateReader(&fReader, &fStreamCount, &fMff, source);
if (fErr)
if (fErr) {
fStreamCount = 0;
fReader = 0;
return;
}
fStreamInfo = new stream_info[fStreamCount];
@ -162,19 +163,22 @@ status_t
MediaExtractor::CreateDecoder(int32 stream, Decoder **decoder, media_codec_info *mci)
{
CALLED();
if (fStreamInfo[stream].status != B_OK) {
status_t res;
res = fStreamInfo[stream].status;
if (res != B_OK) {
printf("MediaExtractor::CreateDecoder can't create decoder for stream %ld\n", stream);
return B_ERROR;
return res;
}
if (B_OK != _CreateDecoder(decoder, mci, &fStreamInfo[stream].encodedFormat)) {
res = _CreateDecoder(decoder, mci, &fStreamInfo[stream].encodedFormat);
if (res != B_OK) {
printf("MediaExtractor::CreateDecoder failed for stream %ld\n", stream);
return B_ERROR;
return res;
}
(*decoder)->Setup(this, stream);
status_t res;
res = (*decoder)->Setup(&fStreamInfo[stream].encodedFormat, fStreamInfo[stream].infoBuffer , fStreamInfo[stream].infoBufferSize);
if (res != B_OK) {
printf("MediaExtractor::CreateDecoder Setup failed for stream %ld\n", stream);

1
src/kits/media/MediaFile.cpp
View File

@ -281,6 +281,7 @@ BMediaFile::InitReader(BDataIO *source, int32 flags)
CALLED();
fSource = source;
fExtractor = new MediaExtractor(source, flags);
fErr = fExtractor->InitCheck();
if (fErr)

18
src/kits/media/MediaTrack.cpp
View File

@ -130,12 +130,13 @@ BMediaTrack::ReadFrames(void *out_buffer,
if (!mh)
mh = &temp_header;
*out_frameCount = 0;
result = fDecoder->Decode(out_buffer, out_frameCount, mh, info);
fCurFrame += *out_frameCount;
fCurTime = mh->start_time;
if (result == B_OK) {
fCurFrame += *out_frameCount;
fCurTime = mh->start_time;
} else {
*out_frameCount = 0;
}
return result;
}
@ -452,13 +453,16 @@ BMediaTrack::BMediaTrack(BPrivate::media::MediaExtractor *extractor,
CALLED();
fExtractor = extractor;
fStream = stream;
fErr = B_OK;
if (B_OK != fExtractor->CreateDecoder(fStream, &fDecoder, &fMCI))
if (fExtractor->CreateDecoder(fStream, &fDecoder, &fMCI) != B_OK) {
// we do not set fErr here, because ReadChunk should still work
fDecoder = 0;
return;
}
fCurFrame = 0;
fCurTime = 0;
fErr = B_OK;
// not used:
fEncoder = 0;

4
src/kits/media/PluginManager.cpp
View File

@ -37,7 +37,9 @@ _CreateReader(Reader **reader, int32 *streamCount, media_file_format *mff, BData
if (B_OK != (*reader)->Sniff(streamCount)) {
printf("_CreateReader: Sniff failed\n");
return B_ERROR;
_DestroyReader(*reader);
return B_MEDIA_NO_HANDLER;
// return B_ERROR;
}
(*reader)->GetFileFormatInfo(mff);