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Commit 0850e874 authored by Girish's avatar Girish
Browse files

lower the importance of codec used for thumbnail 

Bug: 329873479
Test: treehugger Manual
Change-Id: I5c3987d549961c0af1399a5c489fb07aeeeb0760
parent 7e2f3933

media/libstagefright/FrameDecoder.cpp

+10 −0
Original line number Diff line number Diff line
@@ -48,6 +48,9 @@ namespace android { 
static const int64_t kBufferTimeOutUs = 10000LL; // 10 msec

static const size_t kRetryCount = 100; // must be >0

static const int64_t kDefaultSampleDurationUs = 33333LL; // 33ms

// For codec, 0 is the highest importance; higher the number lesser important.

// To make codec for thumbnail less important, give it a value more than 0.

static const int kThumbnailImportance = 1;



sp<IMemory> allocVideoFrame(const sp<MetaData>& trackMeta,

        int32_t width, int32_t height, int32_t tileWidth, int32_t tileHeight,
@@ -585,6 +588,9 @@ sp<AMessage> VideoFrameDecoder::onGetFormatAndSeekOptions( 
        }

    }



    // Set the importance for thumbnail.

    videoFormat->setInt32(KEY_IMPORTANCE, kThumbnailImportance);



    int32_t frameRate;

    if (trackMeta()->findInt32(kKeyFrameRate, &frameRate) && frameRate > 0) {

        mDefaultSampleDurationUs = 1000000LL / frameRate;
@@ -902,6 +908,10 @@ sp<AMessage> MediaImageDecoder::onGetFormatAndSeekOptions( 
        videoFormat->setInt32("android._num-input-buffers", 1);

        videoFormat->setInt32("android._num-output-buffers", 1);

    }



    /// Set the importance for thumbnail.

    videoFormat->setInt32(KEY_IMPORTANCE, kThumbnailImportance);



    return videoFormat;

}