Function avifEncoderCreate

src/write.c:469–504

static const avifScalingMode noScaling = { { 1, 1 }, { 1, 1 } };

avifEncoder * avifEncoderCreate(void)
{
    avifEncoder * encoder = (avifEncoder *)avifAlloc(sizeof(avifEncoder));
    if (!encoder) {
        return NULL;
    }
    memset(encoder, 0, sizeof(avifEncoder));
    encoder->codecChoice = AVIF_CODEC_CHOICE_AUTO;
    encoder->maxThreads = 1;
    encoder->speed = AVIF_SPEED_DEFAULT;
    encoder->keyframeInterval = 0;
    encoder->timescale = 1;
    encoder->repetitionCount = AVIF_REPETITION_COUNT_INFINITE;
    encoder->quality = AVIF_QUALITY_DEFAULT;
    encoder->qualityAlpha = AVIF_QUALITY_DEFAULT;
    encoder->qualityGainMap = AVIF_QUALITY_DEFAULT;
    encoder->minQuantizer = AVIF_QUANTIZER_BEST_QUALITY;
    encoder->maxQuantizer = AVIF_QUANTIZER_WORST_QUALITY;
    encoder->minQuantizerAlpha = AVIF_QUANTIZER_BEST_QUALITY;
    encoder->maxQuantizerAlpha = AVIF_QUANTIZER_WORST_QUALITY;
    encoder->tileRowsLog2 = 0;
    encoder->tileColsLog2 = 0;
    encoder->autoTiling = AVIF_FALSE;
    encoder->scalingMode = noScaling;
    encoder->data = avifEncoderDataCreate();
    encoder->csOptions = avifCodecSpecificOptionsCreate();
    if (!encoder->data || !encoder->csOptions) {
        avifEncoderDestroy(encoder);
        return NULL;
    }
    encoder->headerFormat = AVIF_HEADER_DEFAULT;
    encoder->creationTime = 0;
    encoder->modificationTime = 0;
    encoder->sampleTransformRecipe = AVIF_SAMPLE_TRANSFORM_NONE;
    return encoder;
}

void avifEncoderDestroy(avifEncoder * encoder)
{