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Implement seeking support

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28877 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
David McPaul
2009-01-11 07:07:14 +00:00
parent 1a50289baa
commit f1ee5448a9
1 changed files with 20 additions and 0 deletions
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src/add-ons/media/plugins/raw_decoder/RawDecoderPlugin.cpp
+20
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@@ -27,6 +27,8 @@
#include <DataIO.h> #include <DataIO.h>
#include <OS.h> #include <OS.h>
#include <MediaRoster.h> #include <MediaRoster.h>
#include <ReaderPlugin.h>
#include "RawFormats.h" #include "RawFormats.h"
#include "RawDecoderPlugin.h" #include "RawDecoderPlugin.h"
#include "AudioConversion.h" #include "AudioConversion.h"
@@ -466,7 +468,25 @@ RawDecoder::Seek(uint32 seekTo,
bigtime_t seekTime, bigtime_t *time) bigtime_t seekTime, bigtime_t *time)
{ {
fChunkSize = 0; fChunkSize = 0;
TRACE("MP3Decoder::Seek called\n");
if (seekTo == B_MEDIA_SEEK_TO_TIME) {
TRACE("RawDecoder::Seek by time ");
TRACE("from frame %Ld and time %Ld TO Required Time %Ld. ", *frame, *time, seekTime);
*frame = (int64)(*time / (fInputFrameSize * 1000000.0 / fFrameRate));
} else if (seekTo == B_MEDIA_SEEK_TO_FRAME) {
TRACE("RawDecoder::Seek by Frame ");
TRACE("from Current Time %Ld and frame %Ld TO Required Frame %Ld. ", *time, *frame, seekFrame);
*time = (bigtime_t)(*frame * fInputFrameSize * 1000000.0 / fFrameRate);
} else
return B_BAD_VALUE;
TRACE("so new frame is %Ld at time %Ld\n", *frame, *time);
fStartTime = *time; fStartTime = *time;
return B_OK; return B_OK;
} }