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Implement seeking support

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28875 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
David McPaul
2009-01-11 07:06:18 +00:00
parent 1f7f1654fb
commit b459205340
1 changed files with 20 additions and 0 deletions
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src/add-ons/media/plugins/mp3_decoder/mp3DecoderPlugin.cpp
+20
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@@ -27,6 +27,8 @@
#include <Locker.h> #include <Locker.h>
#include <MediaFormats.h> #include <MediaFormats.h>
#include <MediaRoster.h> #include <MediaRoster.h>
#include <ReaderPlugin.h>
#include "mp3DecoderPlugin.h" #include "mp3DecoderPlugin.h"
//#define TRACE_MP3_DECODER //#define TRACE_MP3_DECODER
@@ -184,6 +186,24 @@ mp3Decoder::Seek(uint32 seekTo,
bigtime_t seekTime, bigtime_t *time) bigtime_t seekTime, bigtime_t *time)
{ {
fNeedSync = true; fNeedSync = true;
TRACE("MP3Decoder::Seek called\n");
if (seekTo == B_MEDIA_SEEK_TO_TIME) {
TRACE("MP3Decoder::Seek by time ");
TRACE("from frame %Ld and time %Ld TO Required Time %Ld. ", *frame, *time, seekTime);
*frame = (int64)(*time / (fFrameSize * 1000000.0 / fFrameRate));
} else if (seekTo == B_MEDIA_SEEK_TO_FRAME) {
TRACE("MP3Decoder::Seek by Frame ");
TRACE("from Current Time %Ld and frame %Ld TO Required Frame %Ld. ", *time, *frame, seekFrame);
*time = (bigtime_t)(*frame * fFrameSize * 1000000.0 / fFrameRate);
} else
return B_BAD_VALUE;
TRACE("so new frame is %Ld at time %Ld\n", *frame, *time);
return B_OK; return B_OK;
} }