Function avifCodecSpecificOptionsSet

src/avif.c:1120–1154

}

avifResult avifCodecSpecificOptionsSet(avifCodecSpecificOptions * csOptions, const char * key, const char * value)
{
    // Check to see if a key must be replaced
    for (uint32_t i = 0; i < csOptions->count; ++i) {
        avifCodecSpecificOption * entry = &csOptions->entries[i];
        if (!strcmp(entry->key, key)) {
            if (value) {
                // Update the value
                avifFree(entry->value);
                entry->value = avifStrdup(value);
                AVIF_CHECKERR(entry->value, AVIF_RESULT_OUT_OF_MEMORY);
            } else {
                // Delete the value
                avifFree(entry->key);
                avifFree(entry->value);
                --csOptions->count;
                if (csOptions->count > 0) {
                    memmove(&csOptions->entries[i], &csOptions->entries[i + 1], (csOptions->count - i) * (size_t)csOptions->elementSize);
                }
            }
            return AVIF_RESULT_OK;
        }
    }

    if (value) {
        // Add a new key
        avifCodecSpecificOption * entry = (avifCodecSpecificOption *)avifArrayPush(csOptions);
        AVIF_CHECKERR(entry, AVIF_RESULT_OUT_OF_MEMORY);
        entry->key = avifStrdup(key);
        AVIF_CHECKERR(entry->key, AVIF_RESULT_OUT_OF_MEMORY);
        entry->value = avifStrdup(value);
        AVIF_CHECKERR(entry->value, AVIF_RESULT_OUT_OF_MEMORY);
    }
    return AVIF_RESULT_OK;
}

// ---------------------------------------------------------------------------
// Codec availability and versions