C++ (Cpp) voc_get_blockの例

コード例 #1

ファイル: load_voc.c プロジェクト: chilamkatana/ASCIIWar

static int voc_read(SDL_RWops *src, vs_t *v, Uint8 *buf, SDL_AudioSpec *spec)
{
    int done = 0;
    Uint8 silence = 0x80;

    if (v->rest == 0)
    {
        if (!voc_get_block(src, v, spec))
            return 0;
    }

    if (v->rest == 0)
        return 0;

    if (v->silent)
    {
        if (v->size == ST_SIZE_WORD)
            silence = 0x00;

        /* Fill in silence */
        memset(buf, silence, v->rest);
        done = v->rest;
        v->rest = 0;
    }

    else
    {
        done = SDL_RWread(src, buf, 1, v->rest);
        v->rest -= done;
        if (v->size == ST_SIZE_WORD)
        {
            #if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
                Uint16 *samples = (Uint16 *)buf;
                for (; v->rest > 0; v->rest -= 2)
                {
                    *samples = SDL_SwapLE16(*samples);
                    samples++;
                }
            #endif
            done >>= 1;
        }
    }

コード例 #2

ファイル: vocdecode.c プロジェクト: lantus/ROTT

static int voc_read(SDL_RWops *src, vs_t *v, unsigned char *buf, AudioSpec *spec)
{
    int done = 0;
    unsigned char silence = 0x80;

    if (v->rest == 0)
    {
        if (!voc_get_block(src, v , spec ))
            return 0;
    }

    if (v->rest == 0)
        return 0;

    if (v->silent)
    {



        /* Fill in silence */
        memset(buf, silence, v->rest);
        done = v->rest;
        v->rest = 0;
    }

    else
    {
        done = SDL_RWread(src, buf, 1, v->rest);
        v->rest -= done;
        if (v->size == ST_SIZE_WORD)
        {
            unsigned short *samples = (unsigned short *)buf;
            for (; v->rest > 0; v->rest -= 2)
            {
                *samples = SDL_Swap16(*samples);
                samples++;
            }

            done >>= 1;
        }
    }