static void qtrle_decode_8bpp(QtrleContext *s)

{

    int stream_ptr;

    int header;

    int start_line;

    int lines_to_change;

    signed char rle_code;

    int row_ptr, pixel_ptr;

    int row_inc = s->frame.linesize[0];

    unsigned char pi1, pi2, pi3, pi4;  /* 4 palette indices */

    unsigned char *rgb = s->frame.data[0];

    int pixel_limit = s->frame.linesize[0] * s->avctx->height;



    /* check if this frame is even supposed to change */

    if (s->size < 8)

        return;



    /* start after the chunk size */

    stream_ptr = 4;



    /* fetch the header */

    CHECK_STREAM_PTR(2);

    header = BE_16(&s->buf[stream_ptr]);

    stream_ptr += 2;



    /* if a header is present, fetch additional decoding parameters */

    if (header & 0x0008) {

        CHECK_STREAM_PTR(8);

        start_line = BE_16(&s->buf[stream_ptr]);

        stream_ptr += 4;

        lines_to_change = BE_16(&s->buf[stream_ptr]);

        stream_ptr += 4;

    } else {

        start_line = 0;

        lines_to_change = s->avctx->height;

    }



    row_ptr = row_inc * start_line;

    while (lines_to_change--) {

        CHECK_STREAM_PTR(2);

        pixel_ptr = row_ptr + (4 * (s->buf[stream_ptr++] - 1));



        while ((rle_code = (signed char)s->buf[stream_ptr++]) != -1) {

            if (rle_code == 0) {

                /* there's another skip code in the stream */

                CHECK_STREAM_PTR(1);

                pixel_ptr += (4 * (s->buf[stream_ptr++] - 1));

            } else if (rle_code < 0) {

                /* decode the run length code */

                rle_code = -rle_code;

                /* get the next 4 bytes from the stream, treat them as palette

                 * indices, and output them rle_code times */

                CHECK_STREAM_PTR(4);

                pi1 = s->buf[stream_ptr++];

                pi2 = s->buf[stream_ptr++];

                pi3 = s->buf[stream_ptr++];

                pi4 = s->buf[stream_ptr++];



                CHECK_PIXEL_PTR(rle_code * 4);



                while (rle_code--) {

                    rgb[pixel_ptr++] = pi1;

                    rgb[pixel_ptr++] = pi2;

                    rgb[pixel_ptr++] = pi3;

                    rgb[pixel_ptr++] = pi4;

                }

            } else {

                /* copy the same pixel directly to output 4 times */

                rle_code *= 4;

                CHECK_STREAM_PTR(rle_code);

                CHECK_PIXEL_PTR(rle_code);



                while (rle_code--) {

                    rgb[pixel_ptr++] = s->buf[stream_ptr++];

                }

            }

        }

        row_ptr += row_inc;

    }

}

static void qtrle_decode_8bpp(QtrleContext *s)

{

    int stream_ptr;

    int header;

    int start_line;

    int lines_to_change;

    signed char rle_code;

    int row_ptr, pixel_ptr;

    int row_inc = s->frame.linesize[0];

    unsigned char pi1, pi2, pi3, pi4;  

    unsigned char *rgb = s->frame.data[0];

    int pixel_limit = s->frame.linesize[0] * s->avctx->height;



    

    if (s->size < 8)

        return;



    

    stream_ptr = 4;



    

    CHECK_STREAM_PTR(2);

    header = BE_16(&s->buf[stream_ptr]);

    stream_ptr += 2;



    

    if (header & 0x0008) {

        CHECK_STREAM_PTR(8);

        start_line = BE_16(&s->buf[stream_ptr]);

        stream_ptr += 4;

        lines_to_change = BE_16(&s->buf[stream_ptr]);

        stream_ptr += 4;

    } else {

        start_line = 0;

        lines_to_change = s->avctx->height;

    }



    row_ptr = row_inc * start_line;

    while (lines_to_change--) {

        CHECK_STREAM_PTR(2);

        pixel_ptr = row_ptr + (4 * (s->buf[stream_ptr++] - 1));



        while ((rle_code = (signed char)s->buf[stream_ptr++]) != -1) {

            if (rle_code == 0) {

                

                CHECK_STREAM_PTR(1);

                pixel_ptr += (4 * (s->buf[stream_ptr++] - 1));

            } else if (rle_code < 0) {

                

                rle_code = -rle_code;

                



                CHECK_STREAM_PTR(4);

                pi1 = s->buf[stream_ptr++];

                pi2 = s->buf[stream_ptr++];

                pi3 = s->buf[stream_ptr++];

                pi4 = s->buf[stream_ptr++];



                CHECK_PIXEL_PTR(rle_code * 4);



                while (rle_code--) {

                    rgb[pixel_ptr++] = pi1;

                    rgb[pixel_ptr++] = pi2;

                    rgb[pixel_ptr++] = pi3;

                    rgb[pixel_ptr++] = pi4;

                }

            } else {

                

                rle_code *= 4;

                CHECK_STREAM_PTR(rle_code);

                CHECK_PIXEL_PTR(rle_code);



                while (rle_code--) {

                    rgb[pixel_ptr++] = s->buf[stream_ptr++];

                }

            }

        }

        row_ptr += row_inc;

    }

}

    signed char rle_code;
static void FUNC_0(QtrleContext *VAR_0)

{

    int VAR_1;

    int VAR_2;

    int VAR_3;

    int VAR_4;

    signed char VAR_5;

    int VAR_6, VAR_7;

    int VAR_8 = VAR_0->frame.linesize[0];

    unsigned char VAR_9, VAR_10, VAR_11, VAR_12;  

    unsigned char *VAR_13 = VAR_0->frame.data[0];

    int VAR_14 = VAR_0->frame.linesize[0] * VAR_0->avctx->height;



    

    if (VAR_0->size < 8)

        return;



    

    VAR_1 = 4;



    

    CHECK_STREAM_PTR(2);

    VAR_2 = BE_16(&VAR_0->buf[VAR_1]);

    VAR_1 += 2;



    

    if (VAR_2 & 0x0008) {

        CHECK_STREAM_PTR(8);

        VAR_3 = BE_16(&VAR_0->buf[VAR_1]);

        VAR_1 += 4;

        VAR_4 = BE_16(&VAR_0->buf[VAR_1]);

        VAR_1 += 4;

    } else {

        VAR_3 = 0;

        VAR_4 = VAR_0->avctx->height;

    }



    VAR_6 = VAR_8 * VAR_3;

    while (VAR_4--) {

        CHECK_STREAM_PTR(2);

        VAR_7 = VAR_6 + (4 * (VAR_0->buf[VAR_1++] - 1));



        while ((VAR_5 = (signed char)VAR_0->buf[VAR_1++]) != -1) {

            if (VAR_5 == 0) {

                

                CHECK_STREAM_PTR(1);

                VAR_7 += (4 * (VAR_0->buf[VAR_1++] - 1));

            } else if (VAR_5 < 0) {

                

                VAR_5 = -VAR_5;

                



                CHECK_STREAM_PTR(4);

                VAR_9 = VAR_0->buf[VAR_1++];

                VAR_10 = VAR_0->buf[VAR_1++];

                VAR_11 = VAR_0->buf[VAR_1++];

                VAR_12 = VAR_0->buf[VAR_1++];



                CHECK_PIXEL_PTR(VAR_5 * 4);



                while (VAR_5--) {

                    VAR_13[VAR_7++] = VAR_9;

                    VAR_13[VAR_7++] = VAR_10;

                    VAR_13[VAR_7++] = VAR_11;

                    VAR_13[VAR_7++] = VAR_12;

                }

            } else {

                

                VAR_5 *= 4;

                CHECK_STREAM_PTR(VAR_5);

                CHECK_PIXEL_PTR(VAR_5);



                while (VAR_5--) {

                    VAR_13[VAR_7++] = VAR_0->buf[VAR_1++];

                }

            }

        }

        VAR_6 += VAR_8;

    }

}

static void FUNC_0(QtrleContext *VAR_0)
{ int VAR_1; int VAR_2; int VAR_3; int VAR_4; signed char VAR_5; int VAR_6, VAR_7; int VAR_8 = VAR_0->frame.linesize[0]; unsigned char VAR_9, VAR_10, VAR_11, VAR_12; unsigned char *VAR_13 = VAR_0->frame.data[0]; int VAR_14 = VAR_0->frame.linesize[0] * VAR_0->avctx->height; if (VAR_0->size < 8)
return; VAR_1 = 4; CHECK_STREAM_PTR(2); VAR_2 = BE_16(&VAR_0->buf[VAR_1]); VAR_1 += 2; if (VAR_2 & 0x0008) { CHECK_STREAM_PTR(8); VAR_3 = BE_16(&VAR_0->buf[VAR_1]); VAR_1 += 4; VAR_4 = BE_16(&VAR_0->buf[VAR_1]); VAR_1 += 4; } else { VAR_3 = 0; VAR_4 = VAR_0->avctx->height; } VAR_6 = VAR_8 * VAR_3; while (VAR_4--) { CHECK_STREAM_PTR(2); VAR_7 = VAR_6 + (4 * (VAR_0->buf[VAR_1++] - 1)); while ((VAR_5 = (signed char)VAR_0->buf[VAR_1++]) != -1) { if (VAR_5 == 0) { CHECK_STREAM_PTR(1); VAR_7 += (4 * (VAR_0->buf[VAR_1++] - 1)); } else if (VAR_5 < 0) { VAR_5 = -VAR_5; CHECK_STREAM_PTR(4); VAR_9 = VAR_0->buf[VAR_1++]; VAR_10 = VAR_0->buf[VAR_1++]; VAR_11 = VAR_0->buf[VAR_1++]; VAR_12 = VAR_0->buf[VAR_1++]; CHECK_PIXEL_PTR(VAR_5 * 4); while (VAR_5--) { VAR_13[VAR_7++] = VAR_9; VAR_13[VAR_7++] = VAR_10; VAR_13[VAR_7++] = VAR_11; VAR_13[VAR_7++] = VAR_12; } } else { VAR_5 *= 4; CHECK_STREAM_PTR(VAR_5); CHECK_PIXEL_PTR(VAR_5); while (VAR_5--) { VAR_13[VAR_7++] = VAR_0->buf[VAR_1++]; } } } VAR_6 += VAR_8; } }