int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transform, int ilv){

    int i, t = 0;

    uint8_t *zero, *last, *cur;

    JLSState *state;

    int off = 0, stride = 1, width, shift;



    zero = av_mallocz(s->picture.linesize[0]);

    last = zero;

    cur = s->picture.data[0];



    state = av_mallocz(sizeof(JLSState));

    /* initialize JPEG-LS state from JPEG parameters */

    state->near = near;

    state->bpp = (s->bits < 2) ? 2 : s->bits;

    state->maxval = s->maxval;

    state->T1 = s->t1;

    state->T2 = s->t2;

    state->T3 = s->t3;

    state->reset = s->reset;

    ff_jpegls_reset_coding_parameters(state, 0);

    ff_jpegls_init_state(state);



    if(s->bits <= 8)

        shift = point_transform + (8 - s->bits);

    else

        shift = point_transform + (16 - s->bits);



    if (s->avctx->debug & FF_DEBUG_PICT_INFO) {

        av_log(s->avctx, AV_LOG_DEBUG, "JPEG-LS params: %ix%i NEAR=%i MV=%i T(%i,%i,%i) RESET=%i, LIMIT=%i, qbpp=%i, RANGE=%i\n",

                s->width, s->height, state->near, state->maxval,

                state->T1, state->T2, state->T3,

                state->reset, state->limit, state->qbpp, state->range);

        av_log(s->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%i Pt=%i BPP=%i, scan = %i\n",

                ilv, point_transform, s->bits, s->cur_scan);

    }

    if(ilv == 0) { /* separate planes */

        stride = (s->nb_components > 1) ? 3 : 1;

        off = av_clip(s->cur_scan - 1, 0, stride);

        width = s->width * stride;

        cur += off;

        for(i = 0; i < s->height; i++) {

            if(s->bits <= 8){

                ls_decode_line(state, s, last, cur, t, width, stride, off,  8);

                t = last[0];

            }else{

                ls_decode_line(state, s, last, cur, t, width, stride, off, 16);

                t = *((uint16_t*)last);

            }

            last = cur;

            cur += s->picture.linesize[0];



            if (s->restart_interval && !--s->restart_count) {

                align_get_bits(&s->gb);

                skip_bits(&s->gb, 16); /* skip RSTn */

            }

        }

    } else if(ilv == 1) { /* line interleaving */

        int j;

        int Rc[3] = {0, 0, 0};

        stride = (s->nb_components > 1) ? 3 : 1;

        memset(cur, 0, s->picture.linesize[0]);

        width = s->width * stride;

        for(i = 0; i < s->height; i++) {

            for(j = 0; j < stride; j++) {

                ls_decode_line(state, s, last + j, cur + j, Rc[j], width, stride, j, 8);

                Rc[j] = last[j];



                if (s->restart_interval && !--s->restart_count) {

                    align_get_bits(&s->gb);

                    skip_bits(&s->gb, 16); /* skip RSTn */

                }

            }

            last = cur;

            cur += s->picture.linesize[0];

        }

    } else if(ilv == 2) { /* sample interleaving */

        av_log(s->avctx, AV_LOG_ERROR, "Sample interleaved images are not supported.\n");

        av_free(state);

        av_free(zero);

        return -1;

    }



    if(shift){ /* we need to do point transform or normalize samples */

        int x, w;



        w = s->width * s->nb_components;



        if(s->bits <= 8){

            uint8_t *src = s->picture.data[0];



            for(i = 0; i < s->height; i++){

                for(x = off; x < w; x+= stride){

                    src[x] <<= shift;

                }

                src += s->picture.linesize[0];

            }

        }else{

            uint16_t *src = (uint16_t*) s->picture.data[0];



            for(i = 0; i < s->height; i++){

                for(x = 0; x < w; x++){

                    src[x] <<= shift;

                }

                src += s->picture.linesize[0]/2;

            }

        }

    }

    av_free(state);

    av_free(zero);



    return 0;

}

int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transform, int ilv){

    int i, t = 0;

    uint8_t *zero, *last, *cur;

    JLSState *state;

    int off = 0, stride = 1, width, shift;



    zero = av_mallocz(s->picture.linesize[0]);

    last = zero;

    cur = s->picture.data[0];



    state = av_mallocz(sizeof(JLSState));

    

    state->near = near;

    state->bpp = (s->bits < 2) ? 2 : s->bits;

    state->maxval = s->maxval;

    state->T1 = s->t1;

    state->T2 = s->t2;

    state->T3 = s->t3;

    state->reset = s->reset;

    ff_jpegls_reset_coding_parameters(state, 0);

    ff_jpegls_init_state(state);



    if(s->bits <= 8)

        shift = point_transform + (8 - s->bits);

    else

        shift = point_transform + (16 - s->bits);



    if (s->avctx->debug & FF_DEBUG_PICT_INFO) {

        av_log(s->avctx, AV_LOG_DEBUG, "JPEG-LS params: %ix%i NEAR=%i MV=%i T(%i,%i,%i) RESET=%i, LIMIT=%i, qbpp=%i, RANGE=%i\n",

                s->width, s->height, state->near, state->maxval,

                state->T1, state->T2, state->T3,

                state->reset, state->limit, state->qbpp, state->range);

        av_log(s->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%i Pt=%i BPP=%i, scan = %i\n",

                ilv, point_transform, s->bits, s->cur_scan);

    }

    if(ilv == 0) { 

        stride = (s->nb_components > 1) ? 3 : 1;

        off = av_clip(s->cur_scan - 1, 0, stride);

        width = s->width * stride;

        cur += off;

        for(i = 0; i < s->height; i++) {

            if(s->bits <= 8){

                ls_decode_line(state, s, last, cur, t, width, stride, off,  8);

                t = last[0];

            }else{

                ls_decode_line(state, s, last, cur, t, width, stride, off, 16);

                t = *((uint16_t*)last);

            }

            last = cur;

            cur += s->picture.linesize[0];



            if (s->restart_interval && !--s->restart_count) {

                align_get_bits(&s->gb);

                skip_bits(&s->gb, 16); 

            }

        }

    } else if(ilv == 1) { 

        int j;

        int Rc[3] = {0, 0, 0};

        stride = (s->nb_components > 1) ? 3 : 1;

        memset(cur, 0, s->picture.linesize[0]);

        width = s->width * stride;

        for(i = 0; i < s->height; i++) {

            for(j = 0; j < stride; j++) {

                ls_decode_line(state, s, last + j, cur + j, Rc[j], width, stride, j, 8);

                Rc[j] = last[j];



                if (s->restart_interval && !--s->restart_count) {

                    align_get_bits(&s->gb);

                    skip_bits(&s->gb, 16); 

                }

            }

            last = cur;

            cur += s->picture.linesize[0];

        }

    } else if(ilv == 2) { 

        av_log(s->avctx, AV_LOG_ERROR, "Sample interleaved images are not supported.\n");

        av_free(state);

        av_free(zero);

        return -1;

    }



    if(shift){ 

        int x, w;



        w = s->width * s->nb_components;



        if(s->bits <= 8){

            uint8_t *src = s->picture.data[0];



            for(i = 0; i < s->height; i++){

                for(x = off; x < w; x+= stride){

                    src[x] <<= shift;

                }

                src += s->picture.linesize[0];

            }

        }else{

            uint16_t *src = (uint16_t*) s->picture.data[0];



            for(i = 0; i < s->height; i++){

                for(x = 0; x < w; x++){

                    src[x] <<= shift;

                }

                src += s->picture.linesize[0]/2;

            }

        }

    }

    av_free(state);

    av_free(zero);



    return 0;

}

int FUNC_0(MJpegDecodeContext *VAR_0, int VAR_1, int VAR_2, int VAR_3){

    int VAR_4, VAR_5 = 0;

    uint8_t *zero, *last, *cur;

    JLSState *state;

    int VAR_6 = 0, VAR_7 = 1, VAR_8, VAR_9;



    zero = av_mallocz(VAR_0->picture.linesize[0]);

    last = zero;

    cur = VAR_0->picture.data[0];



    state = av_mallocz(sizeof(JLSState));

    

    state->VAR_1 = VAR_1;

    state->bpp = (VAR_0->bits < 2) ? 2 : VAR_0->bits;

    state->maxval = VAR_0->maxval;

    state->T1 = VAR_0->t1;

    state->T2 = VAR_0->t2;

    state->T3 = VAR_0->t3;

    state->reset = VAR_0->reset;

    ff_jpegls_reset_coding_parameters(state, 0);

    ff_jpegls_init_state(state);



    if(VAR_0->bits <= 8)

        VAR_9 = VAR_2 + (8 - VAR_0->bits);

    else

        VAR_9 = VAR_2 + (16 - VAR_0->bits);



    if (VAR_0->avctx->debug & FF_DEBUG_PICT_INFO) {

        av_log(VAR_0->avctx, AV_LOG_DEBUG, "JPEG-LS params: %ix%VAR_4 NEAR=%VAR_4 MV=%VAR_4 T(%VAR_4,%VAR_4,%VAR_4) RESET=%VAR_4, LIMIT=%VAR_4, qbpp=%VAR_4, RANGE=%VAR_4\n",

                VAR_0->VAR_8, VAR_0->height, state->VAR_1, state->maxval,

                state->T1, state->T2, state->T3,

                state->reset, state->limit, state->qbpp, state->range);

        av_log(VAR_0->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%VAR_4 Pt=%VAR_4 BPP=%VAR_4, scan = %VAR_4\n",

                VAR_3, VAR_2, VAR_0->bits, VAR_0->cur_scan);

    }

    if(VAR_3 == 0) { 

        VAR_7 = (VAR_0->nb_components > 1) ? 3 : 1;

        VAR_6 = av_clip(VAR_0->cur_scan - 1, 0, VAR_7);

        VAR_8 = VAR_0->VAR_8 * VAR_7;

        cur += VAR_6;

        for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++) {

            if(VAR_0->bits <= 8){

                ls_decode_line(state, VAR_0, last, cur, VAR_5, VAR_8, VAR_7, VAR_6,  8);

                VAR_5 = last[0];

            }else{

                ls_decode_line(state, VAR_0, last, cur, VAR_5, VAR_8, VAR_7, VAR_6, 16);

                VAR_5 = *((uint16_t*)last);

            }

            last = cur;

            cur += VAR_0->picture.linesize[0];



            if (VAR_0->restart_interval && !--VAR_0->restart_count) {

                align_get_bits(&VAR_0->gb);

                skip_bits(&VAR_0->gb, 16); 

            }

        }

    } else if(VAR_3 == 1) { 

        int VAR_10;

        int VAR_11[3] = {0, 0, 0};

        VAR_7 = (VAR_0->nb_components > 1) ? 3 : 1;

        memset(cur, 0, VAR_0->picture.linesize[0]);

        VAR_8 = VAR_0->VAR_8 * VAR_7;

        for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++) {

            for(VAR_10 = 0; VAR_10 < VAR_7; VAR_10++) {

                ls_decode_line(state, VAR_0, last + VAR_10, cur + VAR_10, VAR_11[VAR_10], VAR_8, VAR_7, VAR_10, 8);

                VAR_11[VAR_10] = last[VAR_10];



                if (VAR_0->restart_interval && !--VAR_0->restart_count) {

                    align_get_bits(&VAR_0->gb);

                    skip_bits(&VAR_0->gb, 16); 

                }

            }

            last = cur;

            cur += VAR_0->picture.linesize[0];

        }

    } else if(VAR_3 == 2) { 

        av_log(VAR_0->avctx, AV_LOG_ERROR, "Sample interleaved images are not supported.\n");

        av_free(state);

        av_free(zero);

        return -1;

    }



    if(VAR_9){ 

        int VAR_12, VAR_13;



        VAR_13 = VAR_0->VAR_8 * VAR_0->nb_components;



        if(VAR_0->bits <= 8){

            uint8_t *src = VAR_0->picture.data[0];



            for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++){

                for(VAR_12 = VAR_6; VAR_12 < VAR_13; VAR_12+= VAR_7){

                    src[VAR_12] <<= VAR_9;

                }

                src += VAR_0->picture.linesize[0];

            }

        }else{

            uint16_t *src = (uint16_t*) VAR_0->picture.data[0];



            for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++){

                for(VAR_12 = 0; VAR_12 < VAR_13; VAR_12++){

                    src[VAR_12] <<= VAR_9;

                }

                src += VAR_0->picture.linesize[0]/2;

            }

        }

    }

    av_free(state);

    av_free(zero);



    return 0;

}

int FUNC_0(MJpegDecodeContext *VAR_0, int VAR_1, int VAR_2, int VAR_3){ int VAR_4, VAR_5 = 0; uint8_t *zero, *last, *cur; JLSState *state; int VAR_6 = 0, VAR_7 = 1, VAR_8, VAR_9; zero = av_mallocz(VAR_0->picture.linesize[0]); last = zero; cur = VAR_0->picture.data[0]; state = av_mallocz(sizeof(JLSState)); state->VAR_1 = VAR_1; state->bpp = (VAR_0->bits < 2) ? 2 : VAR_0->bits; state->maxval = VAR_0->maxval; state->T1 = VAR_0->t1; state->T2 = VAR_0->t2; state->T3 = VAR_0->t3; state->reset = VAR_0->reset; ff_jpegls_reset_coding_parameters(state, 0); ff_jpegls_init_state(state); if(VAR_0->bits <= 8)
VAR_9 = VAR_2 + (8 - VAR_0->bits); else
VAR_9 = VAR_2 + (16 - VAR_0->bits); if (VAR_0->avctx->debug & FF_DEBUG_PICT_INFO) { av_log(VAR_0->avctx, AV_LOG_DEBUG, "JPEG-LS params: %ix%VAR_4 NEAR=%VAR_4 MV=%VAR_4 T(%VAR_4,%VAR_4,%VAR_4) RESET=%VAR_4, LIMIT=%VAR_4, qbpp=%VAR_4, RANGE=%VAR_4\n",
VAR_0->VAR_8, VAR_0->height, state->VAR_1, state->maxval,
state->T1, state->T2, state->T3,
state->reset, state->limit, state->qbpp, state->range); av_log(VAR_0->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%VAR_4 Pt=%VAR_4 BPP=%VAR_4, scan = %VAR_4\n",
VAR_3, VAR_2, VAR_0->bits, VAR_0->cur_scan); } if(VAR_3 == 0) { VAR_7 = (VAR_0->nb_components > 1) ? 3 : 1; VAR_6 = av_clip(VAR_0->cur_scan - 1, 0, VAR_7); VAR_8 = VAR_0->VAR_8 * VAR_7; cur += VAR_6; for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++) { if(VAR_0->bits <= 8){ ls_decode_line(state, VAR_0, last, cur, VAR_5, VAR_8, VAR_7, VAR_6,  8); VAR_5 = last[0]; }else{ ls_decode_line(state, VAR_0, last, cur, VAR_5, VAR_8, VAR_7, VAR_6, 16); VAR_5 = *((uint16_t*)last); } last = cur; cur += VAR_0->picture.linesize[0]; if (VAR_0->restart_interval && !--VAR_0->restart_count) { align_get_bits(&VAR_0->gb); skip_bits(&VAR_0->gb, 16); } } } else if(VAR_3 == 1) { int VAR_10; int VAR_11[3] = {0, 0, 0}; VAR_7 = (VAR_0->nb_components > 1) ? 3 : 1; memset(cur, 0, VAR_0->picture.linesize[0]); VAR_8 = VAR_0->VAR_8 * VAR_7; for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++) { for(VAR_10 = 0; VAR_10 < VAR_7; VAR_10++) { ls_decode_line(state, VAR_0, last + VAR_10, cur + VAR_10, VAR_11[VAR_10], VAR_8, VAR_7, VAR_10, 8); VAR_11[VAR_10] = last[VAR_10]; if (VAR_0->restart_interval && !--VAR_0->restart_count) { align_get_bits(&VAR_0->gb); skip_bits(&VAR_0->gb, 16); } } last = cur; cur += VAR_0->picture.linesize[0]; } } else if(VAR_3 == 2) { av_log(VAR_0->avctx, AV_LOG_ERROR, "Sample interleaved images are not supported.\n"); av_free(state); av_free(zero); return -1; } if(VAR_9){ int VAR_12, VAR_13; VAR_13 = VAR_0->VAR_8 * VAR_0->nb_components; if(VAR_0->bits <= 8){ uint8_t *src = VAR_0->picture.data[0]; for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++){ for(VAR_12 = VAR_6; VAR_12 < VAR_13; VAR_12+= VAR_7){ src[VAR_12] <<= VAR_9; } src += VAR_0->picture.linesize[0]; } }else{ uint16_t *src = (uint16_t*) VAR_0->picture.data[0]; for(VAR_4 = 0; VAR_4 < VAR_0->height; VAR_4++){ for(VAR_12 = 0; VAR_12 < VAR_13; VAR_12++){ src[VAR_12] <<= VAR_9; } src += VAR_0->picture.linesize[0]/2; } } } av_free(state); av_free(zero); return 0; }