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added support to disable the chunk cache for debugging

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9487 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2004-10-24 18:46:07 +00:00
parent 88debd334e
commit bf0aa2f9bb
2 changed files with 12 additions and 2 deletions
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2
src/kits/media/ChunkCache.cpp
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@ -93,7 +93,7 @@ ChunkCache::PutNextChunk(void *chunkBuffer, int32 chunkSize, const media_header
if (err == B_OK) { if (err == B_OK) {
if (fNextPut->sizeMax < chunkSize) { if (fNextPut->sizeMax < chunkSize) {
// printf("ChunkCache::PutNextChunk: %p resizing from %ld to %ld\n", fNextPut, fNextPut->sizeMax, chunkSize); printf("ChunkCache::PutNextChunk: %p resizing from %ld to %ld\n", fNextPut, fNextPut->sizeMax, chunkSize);
free(fNextPut->buffer); free(fNextPut->buffer);
fNextPut->buffer = malloc((chunkSize + 1024) & ~1023); fNextPut->buffer = malloc((chunkSize + 1024) & ~1023);
fNextPut->sizeMax = chunkSize; fNextPut->sizeMax = chunkSize;

12
src/kits/media/MediaExtractor.cpp
View File

@ -7,6 +7,8 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
// should be 0, to disable the chunk cache set it to 1
#define DISABLE_CHUNK_CACHE 0
MediaExtractor::MediaExtractor(BDataIO *source, int32 flags) MediaExtractor::MediaExtractor(BDataIO *source, int32 flags)
{ {
@ -62,10 +64,12 @@ MediaExtractor::MediaExtractor(BDataIO *source, int32 flags)
} }
} }
#if DISABLE_CHUNK_CACHE == 0
// start extractor thread // start extractor thread
fExtractorWaitSem = create_sem(1, "media extractor thread sem"); fExtractorWaitSem = create_sem(1, "media extractor thread sem");
fExtractorThread = spawn_thread(extractor_thread, "media extractor thread", 10, this); fExtractorThread = spawn_thread(extractor_thread, "media extractor thread", 10, this);
resume_thread(fExtractorThread); resume_thread(fExtractorThread);
#endif
} }
@ -182,6 +186,12 @@ MediaExtractor::GetNextChunk(int32 stream,
void **chunkBuffer, int32 *chunkSize, void **chunkBuffer, int32 *chunkSize,
media_header *mediaHeader) media_header *mediaHeader)
{ {
#if DISABLE_CHUNK_CACHE > 0
static BLocker locker;
BAutolock lock(locker);
return fReader->GetNextChunk(fStreamInfo[stream].cookie, chunkBuffer, chunkSize, mediaHeader);
#endif
status_t err; status_t err;
err = fStreamInfo[stream].chunkCache->GetNextChunk(chunkBuffer, chunkSize, mediaHeader); err = fStreamInfo[stream].chunkCache->GetNextChunk(chunkBuffer, chunkSize, mediaHeader);
release_sem(fExtractorWaitSem); release_sem(fExtractorWaitSem);