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Commit f5ee3277 authored by Lajos Molnar's avatar Lajos Molnar
Browse files

DO NOT MERGE: Revert "stagefright: allow for minUndequeuedBufs to be one less" 

This reverts commit a0470879.

Bug: 13655631
parent f622e2c7

media/libstagefright/ACodec.cpp

+3 −4
Original line number Diff line number Diff line
@@ -640,8 +640,8 @@ status_t ACodec::configureOutputBuffersFromNativeWindow( 


    // FIXME: assume that surface is controlled by app (native window

    // returns the number for the case when surface is not controlled by app)

    // FIXME2: This means that minUndeqeueudBufs can be 1 larger than reported

    // For now, try to allocate 1 more buffer, but don't fail if unsuccessful

    (*minUndequeuedBuffers)++;





    // Use conservative allocation while also trying to reduce starvation

    //
@@ -649,8 +649,7 @@ status_t ACodec::configureOutputBuffersFromNativeWindow( 
    //    minimum needed for the consumer to be able to work

    // 2. try to allocate two (2) additional buffers to reduce starvation from

    //    the consumer

    //    plus an extra buffer to account for incorrect minUndequeuedBufs

    for (OMX_U32 extraBuffers = 2 + 1; /* condition inside loop */; extraBuffers--) {

    for (OMX_U32 extraBuffers = 2; /* condition inside loop */; extraBuffers--) {

        OMX_U32 newBufferCount =

            def.nBufferCountMin + *minUndequeuedBuffers + extraBuffers;

        def.nBufferCountActual = newBufferCount;

media/libstagefright/OMXCodec.cpp

+4 −6
Original line number Diff line number Diff line
@@ -1780,8 +1780,7 @@ status_t OMXCodec::allocateOutputBuffersFromNativeWindow() { 
    }

    // FIXME: assume that surface is controlled by app (native window

    // returns the number for the case when surface is not controlled by app)

    // FIXME2: This means that minUndeqeueudBufs can be 1 larger than reported

    // For now, try to allocate 1 more buffer, but don't fail if unsuccessful

    minUndequeuedBufs++;



    // Use conservative allocation while also trying to reduce starvation

    //
@@ -1789,11 +1788,10 @@ status_t OMXCodec::allocateOutputBuffersFromNativeWindow() { 
    //    minimum needed for the consumer to be able to work

    // 2. try to allocate two (2) additional buffers to reduce starvation from

    //    the consumer

    //    plus an extra buffer to account for incorrect minUndequeuedBufs

    CODEC_LOGI("OMX-buffers: min=%u actual=%u undeq=%d+1",

    CODEC_LOGI("OMX-buffers: min=%u actual=%u undeq=%d",

            def.nBufferCountMin, def.nBufferCountActual, minUndequeuedBufs);



    for (OMX_U32 extraBuffers = 2 + 1; /* condition inside loop */; extraBuffers--) {

    for (OMX_U32 extraBuffers = 2; /* condition inside loop */; extraBuffers--) {

        OMX_U32 newBufferCount =

            def.nBufferCountMin + minUndequeuedBufs + extraBuffers;

        def.nBufferCountActual = newBufferCount;
@@ -1812,7 +1810,7 @@ status_t OMXCodec::allocateOutputBuffersFromNativeWindow() { 
            return err;

        }

    }

    CODEC_LOGI("OMX-buffers: min=%u actual=%u undeq=%d+1",

    CODEC_LOGI("OMX-buffers: min=%u actual=%u undeq=%d",

            def.nBufferCountMin, def.nBufferCountActual, minUndequeuedBufs);



    err = native_window_set_buffer_count(