static int aasc_decode_frame(AVCodecContext *avctx,
                              void *data, int *data_size,
                              AVPacket *avpkt)
{
    const uint8_t *buf = avpkt->data;
    int buf_size = avpkt->size;
    AascContext *s = avctx->priv_data;
    int compr, i, stride, psize;
    s->frame.reference = 3;
    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
    if (avctx->reget_buffer(avctx, &s->frame)) {
        av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
        return -1;
    compr = AV_RL32(buf);
    buf += 4;
    buf_size -= 4;
    psize = avctx->bits_per_coded_sample / 8;
    switch (avctx->codec_tag) {
    case MKTAG('A', 'A', 'S', '4'):
        bytestream2_init(&s->gb, buf - 4, buf_size + 4);
        ff_msrle_decode(avctx, (AVPicture*)&s->frame, 8, &s->gb);
        break;
    case MKTAG('A', 'A', 'S', 'C'):
    switch(compr){
    case 0:
        stride = (avctx->width * psize + psize) & ~psize;
        for(i = avctx->height - 1; i >= 0; i--){
            if(avctx->width * psize > buf_size){
                av_log(avctx, AV_LOG_ERROR, "Next line is beyond buffer bounds\n");
                break;
            memcpy(s->frame.data[0] + i*s->frame.linesize[0], buf, avctx->width * psize);
            buf += stride;
            buf_size -= stride;
        break;
    case 1:
        bytestream2_init(&s->gb, buf, buf_size);
        ff_msrle_decode(avctx, (AVPicture*)&s->frame, 8, &s->gb);
        break;
    default:
        av_log(avctx, AV_LOG_ERROR, "Unknown compression type %d\n", compr);
        return -1;
        break;
    default:
        av_log(avctx, AV_LOG_ERROR, "Unknown FourCC: %X\n", avctx->codec_tag);
        return -1;
    if (avctx->pix_fmt == AV_PIX_FMT_PAL8)
        memcpy(s->frame.data[1], s->palette, s->palette_size);
    *data_size = sizeof(AVFrame);
    *(AVFrame*)data = s->frame;
    /* report that the buffer was completely consumed */
    return buf_size;
static int aasc_decode_frame(AVCodecContext *avctx,
                              void *data, int *data_size,
                              AVPacket *avpkt)
{
    const uint8_t *buf = avpkt->data;
    int buf_size = avpkt->size;
    AascContext *s = avctx->priv_data;
    int compr, i, stride, psize;
    s->frame.reference = 3;
    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
    if (avctx->reget_buffer(avctx, &s->frame)) {
        av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
        return -1;
    compr = AV_RL32(buf);
    buf += 4;
    buf_size -= 4;
    psize = avctx->bits_per_coded_sample / 8;
    switch (avctx->codec_tag) {
    case MKTAG('A', 'A', 'S', '4'):
        bytestream2_init(&s->gb, buf - 4, buf_size + 4);
        ff_msrle_decode(avctx, (AVPicture*)&s->frame, 8, &s->gb);
        break;
    case MKTAG('A', 'A', 'S', 'C'):
    switch(compr){
    case 0:
        stride = (avctx->width * psize + psize) & ~psize;
        for(i = avctx->height - 1; i >= 0; i--){
            if(avctx->width * psize > buf_size){
                av_log(avctx, AV_LOG_ERROR, "Next line is beyond buffer bounds\n");
                break;
            memcpy(s->frame.data[0] + i*s->frame.linesize[0], buf, avctx->width * psize);
            buf += stride;
            buf_size -= stride;
        break;
    case 1:
        bytestream2_init(&s->gb, buf, buf_size);
        ff_msrle_decode(avctx, (AVPicture*)&s->frame, 8, &s->gb);
        break;
    default:
        av_log(avctx, AV_LOG_ERROR, "Unknown compression type %d\n", compr);
        return -1;
        break;
    default:
        av_log(avctx, AV_LOG_ERROR, "Unknown FourCC: %X\n", avctx->codec_tag);
        return -1;
    if (avctx->pix_fmt == AV_PIX_FMT_PAL8)
        memcpy(s->frame.data[1], s->palette, s->palette_size);
    *data_size = sizeof(AVFrame);
    *(AVFrame*)data = s->frame;
    
    return buf_size;
static int FUNC_0(AVCodecContext *VAR_0,
                              void *VAR_1, int *VAR_2,
                              AVPacket *VAR_3)
{
    const uint8_t *VAR_4 = VAR_3->VAR_1;
    int VAR_5 = VAR_3->size;
    AascContext *s = VAR_0->priv_data;
    int VAR_6, VAR_7, VAR_8, VAR_9;
    s->frame.reference = 3;
    s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
    if (VAR_0->reget_buffer(VAR_0, &s->frame)) {
        av_log(VAR_0, AV_LOG_ERROR, "reget_buffer() failed\n");
        return -1;
    VAR_6 = AV_RL32(VAR_4);
    VAR_4 += 4;
    VAR_5 -= 4;
    VAR_9 = VAR_0->bits_per_coded_sample / 8;
    switch (VAR_0->codec_tag) {
    case MKTAG('A', 'A', 'S', '4'):
        bytestream2_init(&s->gb, VAR_4 - 4, VAR_5 + 4);
        ff_msrle_decode(VAR_0, (AVPicture*)&s->frame, 8, &s->gb);
        break;
    case MKTAG('A', 'A', 'S', 'C'):
    switch(VAR_6){
    case 0:
        VAR_8 = (VAR_0->width * VAR_9 + VAR_9) & ~VAR_9;
        for(VAR_7 = VAR_0->height - 1; VAR_7 >= 0; VAR_7--){
            if(VAR_0->width * VAR_9 > VAR_5){
                av_log(VAR_0, AV_LOG_ERROR, "Next line is beyond buffer bounds\n");
                break;
            memcpy(s->frame.VAR_1[0] + VAR_7*s->frame.linesize[0], VAR_4, VAR_0->width * VAR_9);
            VAR_4 += VAR_8;
            VAR_5 -= VAR_8;
        break;
    case 1:
        bytestream2_init(&s->gb, VAR_4, VAR_5);
        ff_msrle_decode(VAR_0, (AVPicture*)&s->frame, 8, &s->gb);
        break;
    default:
        av_log(VAR_0, AV_LOG_ERROR, "Unknown compression type %d\n", VAR_6);
        return -1;
        break;
    default:
        av_log(VAR_0, AV_LOG_ERROR, "Unknown FourCC: %X\n", VAR_0->codec_tag);
        return -1;
    if (VAR_0->pix_fmt == AV_PIX_FMT_PAL8)
        memcpy(s->frame.VAR_1[1], s->palette, s->palette_size);
    *VAR_2 = sizeof(AVFrame);
    *(AVFrame*)VAR_1 = s->frame;
    
    return VAR_5;
static int FUNC_0(AVCodecContext *VAR_0,
void *VAR_1, int *VAR_2,
AVPacket *VAR_3)
{ const uint8_t *VAR_4 = VAR_3->VAR_1; int VAR_5 = VAR_3->size; AascContext *s = VAR_0->priv_data; int VAR_6, VAR_7, VAR_8, VAR_9; s->frame.reference = 3; s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE; if (VAR_0->reget_buffer(VAR_0, &s->frame)) { av_log(VAR_0, AV_LOG_ERROR, "reget_buffer() failed\n"); return -1; VAR_6 = AV_RL32(VAR_4); VAR_4 += 4; VAR_5 -= 4; VAR_9 = VAR_0->bits_per_coded_sample / 8; switch (VAR_0->codec_tag) { case MKTAG('A', 'A', 'S', '4'):
bytestream2_init(&s->gb, VAR_4 - 4, VAR_5 + 4); ff_msrle_decode(VAR_0, (AVPicture*)&s->frame, 8, &s->gb); break; case MKTAG('A', 'A', 'S', 'C'):
switch(VAR_6){ case 0:
VAR_8 = (VAR_0->width * VAR_9 + VAR_9) & ~VAR_9; for(VAR_7 = VAR_0->height - 1; VAR_7 >= 0; VAR_7--){ if(VAR_0->width * VAR_9 > VAR_5){ av_log(VAR_0, AV_LOG_ERROR, "Next line is beyond buffer bounds\n"); break; memcpy(s->frame.VAR_1[0] + VAR_7*s->frame.linesize[0], VAR_4, VAR_0->width * VAR_9); VAR_4 += VAR_8; VAR_5 -= VAR_8; break; case 1:
bytestream2_init(&s->gb, VAR_4, VAR_5); ff_msrle_decode(VAR_0, (AVPicture*)&s->frame, 8, &s->gb); break; default:
av_log(VAR_0, AV_LOG_ERROR, "Unknown compression type %d\n", VAR_6); return -1; break; default:
av_log(VAR_0, AV_LOG_ERROR, "Unknown FourCC: %X\n", VAR_0->codec_tag); return -1; if (VAR_0->pix_fmt == AV_PIX_FMT_PAL8)
memcpy(s->frame.VAR_1[1], s->palette, s->palette_size); *VAR_2 = sizeof(AVFrame); *(AVFrame*)VAR_1 = s->frame; return VAR_5;