Function avifEncoderBackupSettings

src/write.c:522–546

}

static void avifEncoderBackupSettings(avifEncoder * encoder)
{
    avifEncoder * lastEncoder = &encoder->data->lastEncoder;

    // lastEncoder->data is only used to mark that lastEncoder is initialized. lastEncoder->data
    // must not be dereferenced.
    lastEncoder->data = encoder->data;
    lastEncoder->codecChoice = encoder->codecChoice;
    lastEncoder->maxThreads = encoder->maxThreads;
    lastEncoder->speed = encoder->speed;
    lastEncoder->keyframeInterval = encoder->keyframeInterval;
    lastEncoder->timescale = encoder->timescale;
    lastEncoder->repetitionCount = encoder->repetitionCount;
    lastEncoder->extraLayerCount = encoder->extraLayerCount;
    lastEncoder->minQuantizer = encoder->minQuantizer;
    lastEncoder->maxQuantizer = encoder->maxQuantizer;
    lastEncoder->minQuantizerAlpha = encoder->minQuantizerAlpha;
    lastEncoder->maxQuantizerAlpha = encoder->maxQuantizerAlpha;
    encoder->data->lastQuality = encoder->data->quality;
    encoder->data->lastQualityAlpha = encoder->data->qualityAlpha;
    encoder->data->lastTileRowsLog2 = encoder->data->tileRowsLog2;
    encoder->data->lastTileColsLog2 = encoder->data->tileColsLog2;
    lastEncoder->scalingMode = encoder->scalingMode;
    lastEncoder->sampleTransformRecipe = encoder->sampleTransformRecipe;
}

// This function detects changes made on avifEncoder. It returns true on success (i.e., if every
// change is valid), or false on failure (i.e., if any setting that can't change was changed). It