static int pnm_decode_frame(AVCodecContext *avctx, void *data,

                            int *got_frame, AVPacket *avpkt)

{

    const uint8_t *buf   = avpkt->data;

    int buf_size         = avpkt->size;

    PNMContext * const s = avctx->priv_data;

    AVFrame * const p    = data;

    int i, j, n, linesize, h, upgrade = 0, is_mono = 0;

    unsigned char *ptr;

    int components, sample_len, ret;

    unsigned int maskval = 0;



    s->bytestream_start =

    s->bytestream       = (uint8_t *)buf;

    s->bytestream_end   = (uint8_t *)buf + buf_size;



    if ((ret = ff_pnm_decode_header(avctx, s)) < 0)

        return ret;



    if ((ret = ff_get_buffer(avctx, p, 0)) < 0)

        return ret;

    p->pict_type = AV_PICTURE_TYPE_I;

    p->key_frame = 1;



    switch (avctx->pix_fmt) {

    default:

        return AVERROR(EINVAL);

    case AV_PIX_FMT_RGBA64BE:

        n = avctx->width * 8;

        components=4;

        sample_len=16;

        goto do_read;

    case AV_PIX_FMT_RGB48BE:

        n = avctx->width * 6;

        components=3;

        sample_len=16;

        goto do_read;

    case AV_PIX_FMT_RGBA:

        n = avctx->width * 4;

        components=4;

        sample_len=8;

        goto do_read;

    case AV_PIX_FMT_RGB24:

        n = avctx->width * 3;

        components=3;

        sample_len=8;

        goto do_read;

    case AV_PIX_FMT_GRAY8:

        n = avctx->width;

        components=1;

        sample_len=8;

        if (s->maxval < 255) {

            upgrade = 1;

            maskval = (2 << av_log2(s->maxval)) - 1;

        }

        goto do_read;

    case AV_PIX_FMT_GRAY8A:

        n = avctx->width * 2;

        components=2;

        sample_len=8;

        goto do_read;

    case AV_PIX_FMT_GRAY16BE:

    case AV_PIX_FMT_GRAY16LE:

        n = avctx->width * 2;

        components=1;

        sample_len=16;

        if (s->maxval < 65535) {

            upgrade = 2;

            maskval = (2 << av_log2(s->maxval)) - 1;

        }

        goto do_read;

    case AV_PIX_FMT_MONOWHITE:

    case AV_PIX_FMT_MONOBLACK:

        n = (avctx->width + 7) >> 3;

        components=1;

        sample_len=1;

        is_mono = 1;

    do_read:

        ptr      = p->data[0];

        linesize = p->linesize[0];

        if (s->bytestream + n * avctx->height > s->bytestream_end)

            return AVERROR_INVALIDDATA;

        if(s->type < 4 || (is_mono && s->type==7)){

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

                PutBitContext pb;

                init_put_bits(&pb, ptr, linesize);

                for(j=0; j<avctx->width * components; j++){

                    unsigned int c=0;

                    int v=0;

                    if(s->type < 4)

                    while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' ))

                        s->bytestream++;

                    if(s->bytestream >= s->bytestream_end)

                        return AVERROR_INVALIDDATA;

                    if (is_mono) {

                        /* read a single digit */

                        v = (*s->bytestream++)&1;

                    } else {

                        /* read a sequence of digits */

                        do {

                            v = 10*v + c;

                            c = (*s->bytestream++) - '0';

                        } while (c <= 9);

                    }

                    put_bits(&pb, sample_len, (((1<<sample_len)-1)*v + (s->maxval>>1))/s->maxval);

                }

                flush_put_bits(&pb);

                ptr+= linesize;

            }

        }else{

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

            if (!upgrade)

                memcpy(ptr, s->bytestream, n);

            else if (upgrade == 1) {

                unsigned int j, f = (255 * 128 + s->maxval / 2) / s->maxval;

                for (j = 0; j < n; j++)

                    ptr[j] = ((s->bytestream[j] & maskval) * f + 64) >> 7;

            } else if (upgrade == 2) {

                unsigned int j, v, f = (65535 * 32768 + s->maxval / 2) / s->maxval;

                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]) & maskval;

                    ((uint16_t *)ptr)[j] = (v * f + 16384) >> 15;

                }

            }

            s->bytestream += n;

            ptr           += linesize;

        }

        }

        break;

    case AV_PIX_FMT_YUV420P:

    case AV_PIX_FMT_YUV420P9BE:

    case AV_PIX_FMT_YUV420P10BE:

        {

            unsigned char *ptr1, *ptr2;



            n        = avctx->width;

            ptr      = p->data[0];

            linesize = p->linesize[0];

            if (s->maxval >= 256)

                n *= 2;

            if (s->bytestream + n * avctx->height * 3 / 2 > s->bytestream_end)

                return AVERROR_INVALIDDATA;

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

                memcpy(ptr, s->bytestream, n);

                s->bytestream += n;

                ptr           += linesize;

            }

            ptr1 = p->data[1];

            ptr2 = p->data[2];

            n >>= 1;

            h = avctx->height >> 1;

            for (i = 0; i < h; i++) {

                memcpy(ptr1, s->bytestream, n);

                s->bytestream += n;

                memcpy(ptr2, s->bytestream, n);

                s->bytestream += n;

                ptr1 += p->linesize[1];

                ptr2 += p->linesize[2];

            }

        }

        break;

    case AV_PIX_FMT_YUV420P16:

        {

            uint16_t *ptr1, *ptr2;

            const int f = (65535 * 32768 + s->maxval / 2) / s->maxval;

            unsigned int j, v;



            n        = avctx->width * 2;

            ptr      = p->data[0];

            linesize = p->linesize[0];

            if (s->bytestream + n * avctx->height * 3 / 2 > s->bytestream_end)

                return AVERROR_INVALIDDATA;

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

                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]);

                    ((uint16_t *)ptr)[j] = (v * f + 16384) >> 15;

                }

                s->bytestream += n;

                ptr           += linesize;

            }

            ptr1 = (uint16_t*)p->data[1];

            ptr2 = (uint16_t*)p->data[2];

            n >>= 1;

            h = avctx->height >> 1;

            for (i = 0; i < h; i++) {

                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]);

                    ptr1[j] = (v * f + 16384) >> 15;

                }

                s->bytestream += n;



                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]);

                    ptr2[j] = (v * f + 16384) >> 15;

                }

                s->bytestream += n;



                ptr1 += p->linesize[1] / 2;

                ptr2 += p->linesize[2] / 2;

            }

        }

        break;

    }

    *got_frame = 1;



    return s->bytestream - s->bytestream_start;

}

static int pnm_decode_frame(AVCodecContext *avctx, void *data,

                            int *got_frame, AVPacket *avpkt)

{

    const uint8_t *buf   = avpkt->data;

    int buf_size         = avpkt->size;

    PNMContext * const s = avctx->priv_data;

    AVFrame * const p    = data;

    int i, j, n, linesize, h, upgrade = 0, is_mono = 0;

    unsigned char *ptr;

    int components, sample_len, ret;

    unsigned int maskval = 0;



    s->bytestream_start =

    s->bytestream       = (uint8_t *)buf;

    s->bytestream_end   = (uint8_t *)buf + buf_size;



    if ((ret = ff_pnm_decode_header(avctx, s)) < 0)

        return ret;



    if ((ret = ff_get_buffer(avctx, p, 0)) < 0)

        return ret;

    p->pict_type = AV_PICTURE_TYPE_I;

    p->key_frame = 1;



    switch (avctx->pix_fmt) {

    default:

        return AVERROR(EINVAL);

    case AV_PIX_FMT_RGBA64BE:

        n = avctx->width * 8;

        components=4;

        sample_len=16;

        goto do_read;

    case AV_PIX_FMT_RGB48BE:

        n = avctx->width * 6;

        components=3;

        sample_len=16;

        goto do_read;

    case AV_PIX_FMT_RGBA:

        n = avctx->width * 4;

        components=4;

        sample_len=8;

        goto do_read;

    case AV_PIX_FMT_RGB24:

        n = avctx->width * 3;

        components=3;

        sample_len=8;

        goto do_read;

    case AV_PIX_FMT_GRAY8:

        n = avctx->width;

        components=1;

        sample_len=8;

        if (s->maxval < 255) {

            upgrade = 1;

            maskval = (2 << av_log2(s->maxval)) - 1;

        }

        goto do_read;

    case AV_PIX_FMT_GRAY8A:

        n = avctx->width * 2;

        components=2;

        sample_len=8;

        goto do_read;

    case AV_PIX_FMT_GRAY16BE:

    case AV_PIX_FMT_GRAY16LE:

        n = avctx->width * 2;

        components=1;

        sample_len=16;

        if (s->maxval < 65535) {

            upgrade = 2;

            maskval = (2 << av_log2(s->maxval)) - 1;

        }

        goto do_read;

    case AV_PIX_FMT_MONOWHITE:

    case AV_PIX_FMT_MONOBLACK:

        n = (avctx->width + 7) >> 3;

        components=1;

        sample_len=1;

        is_mono = 1;

    do_read:

        ptr      = p->data[0];

        linesize = p->linesize[0];

        if (s->bytestream + n * avctx->height > s->bytestream_end)

            return AVERROR_INVALIDDATA;

        if(s->type < 4 || (is_mono && s->type==7)){

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

                PutBitContext pb;

                init_put_bits(&pb, ptr, linesize);

                for(j=0; j<avctx->width * components; j++){

                    unsigned int c=0;

                    int v=0;

                    if(s->type < 4)

                    while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' ))

                        s->bytestream++;

                    if(s->bytestream >= s->bytestream_end)

                        return AVERROR_INVALIDDATA;

                    if (is_mono) {

                        

                        v = (*s->bytestream++)&1;

                    } else {

                        

                        do {

                            v = 10*v + c;

                            c = (*s->bytestream++) - '0';

                        } while (c <= 9);

                    }

                    put_bits(&pb, sample_len, (((1<<sample_len)-1)*v + (s->maxval>>1))/s->maxval);

                }

                flush_put_bits(&pb);

                ptr+= linesize;

            }

        }else{

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

            if (!upgrade)

                memcpy(ptr, s->bytestream, n);

            else if (upgrade == 1) {

                unsigned int j, f = (255 * 128 + s->maxval / 2) / s->maxval;

                for (j = 0; j < n; j++)

                    ptr[j] = ((s->bytestream[j] & maskval) * f + 64) >> 7;

            } else if (upgrade == 2) {

                unsigned int j, v, f = (65535 * 32768 + s->maxval / 2) / s->maxval;

                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]) & maskval;

                    ((uint16_t *)ptr)[j] = (v * f + 16384) >> 15;

                }

            }

            s->bytestream += n;

            ptr           += linesize;

        }

        }

        break;

    case AV_PIX_FMT_YUV420P:

    case AV_PIX_FMT_YUV420P9BE:

    case AV_PIX_FMT_YUV420P10BE:

        {

            unsigned char *ptr1, *ptr2;



            n        = avctx->width;

            ptr      = p->data[0];

            linesize = p->linesize[0];

            if (s->maxval >= 256)

                n *= 2;

            if (s->bytestream + n * avctx->height * 3 / 2 > s->bytestream_end)

                return AVERROR_INVALIDDATA;

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

                memcpy(ptr, s->bytestream, n);

                s->bytestream += n;

                ptr           += linesize;

            }

            ptr1 = p->data[1];

            ptr2 = p->data[2];

            n >>= 1;

            h = avctx->height >> 1;

            for (i = 0; i < h; i++) {

                memcpy(ptr1, s->bytestream, n);

                s->bytestream += n;

                memcpy(ptr2, s->bytestream, n);

                s->bytestream += n;

                ptr1 += p->linesize[1];

                ptr2 += p->linesize[2];

            }

        }

        break;

    case AV_PIX_FMT_YUV420P16:

        {

            uint16_t *ptr1, *ptr2;

            const int f = (65535 * 32768 + s->maxval / 2) / s->maxval;

            unsigned int j, v;



            n        = avctx->width * 2;

            ptr      = p->data[0];

            linesize = p->linesize[0];

            if (s->bytestream + n * avctx->height * 3 / 2 > s->bytestream_end)

                return AVERROR_INVALIDDATA;

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

                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]);

                    ((uint16_t *)ptr)[j] = (v * f + 16384) >> 15;

                }

                s->bytestream += n;

                ptr           += linesize;

            }

            ptr1 = (uint16_t*)p->data[1];

            ptr2 = (uint16_t*)p->data[2];

            n >>= 1;

            h = avctx->height >> 1;

            for (i = 0; i < h; i++) {

                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]);

                    ptr1[j] = (v * f + 16384) >> 15;

                }

                s->bytestream += n;



                for (j = 0; j < n / 2; j++) {

                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]);

                    ptr2[j] = (v * f + 16384) >> 15;

                }

                s->bytestream += n;



                ptr1 += p->linesize[1] / 2;

                ptr2 += p->linesize[2] / 2;

            }

        }

        break;

    }

    *got_frame = 1;



    return s->bytestream - s->bytestream_start;

}

    unsigned int maskval = 0;         if (s->maxval < 255) {             maskval = (2 << av_log2(s->maxval)) - 1;         if (s->maxval < 65535) {             maskval = (2 << av_log2(s->maxval)) - 1;                     ptr[j] = ((s->bytestream[j] & maskval) * f + 64) >> 7;                     v = av_be2ne16(((uint16_t *)s->bytestream)[j]) & maskval;
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;

    PNMContext * const s = VAR_0->priv_data;

    AVFrame * const p    = VAR_1;

    int VAR_6, VAR_21, VAR_8, VAR_9, VAR_10, VAR_11 = 0, VAR_12 = 0;

    unsigned char *VAR_13;

    int VAR_14, VAR_15, VAR_16;

    unsigned int VAR_17 = 0;



    s->bytestream_start =

    s->bytestream       = (uint8_t *)VAR_4;

    s->bytestream_end   = (uint8_t *)VAR_4 + VAR_5;



    if ((VAR_16 = ff_pnm_decode_header(VAR_0, s)) < 0)

        return VAR_16;



    if ((VAR_16 = ff_get_buffer(VAR_0, p, 0)) < 0)

        return VAR_16;

    p->pict_type = AV_PICTURE_TYPE_I;

    p->key_frame = 1;



    switch (VAR_0->pix_fmt) {

    default:

        return AVERROR(EINVAL);

    case AV_PIX_FMT_RGBA64BE:

        VAR_8 = VAR_0->width * 8;

        VAR_14=4;

        VAR_15=16;

        goto do_read;

    case AV_PIX_FMT_RGB48BE:

        VAR_8 = VAR_0->width * 6;

        VAR_14=3;

        VAR_15=16;

        goto do_read;

    case AV_PIX_FMT_RGBA:

        VAR_8 = VAR_0->width * 4;

        VAR_14=4;

        VAR_15=8;

        goto do_read;

    case AV_PIX_FMT_RGB24:

        VAR_8 = VAR_0->width * 3;

        VAR_14=3;

        VAR_15=8;

        goto do_read;

    case AV_PIX_FMT_GRAY8:

        VAR_8 = VAR_0->width;

        VAR_14=1;

        VAR_15=8;

        if (s->maxval < 255) {

            VAR_11 = 1;

            VAR_17 = (2 << av_log2(s->maxval)) - 1;

        }

        goto do_read;

    case AV_PIX_FMT_GRAY8A:

        VAR_8 = VAR_0->width * 2;

        VAR_14=2;

        VAR_15=8;

        goto do_read;

    case AV_PIX_FMT_GRAY16BE:

    case AV_PIX_FMT_GRAY16LE:

        VAR_8 = VAR_0->width * 2;

        VAR_14=1;

        VAR_15=16;

        if (s->maxval < 65535) {

            VAR_11 = 2;

            VAR_17 = (2 << av_log2(s->maxval)) - 1;

        }

        goto do_read;

    case AV_PIX_FMT_MONOWHITE:

    case AV_PIX_FMT_MONOBLACK:

        VAR_8 = (VAR_0->width + 7) >> 3;

        VAR_14=1;

        VAR_15=1;

        VAR_12 = 1;

    do_read:

        VAR_13      = p->VAR_1[0];

        VAR_9 = p->VAR_9[0];

        if (s->bytestream + VAR_8 * VAR_0->height > s->bytestream_end)

            return AVERROR_INVALIDDATA;

        if(s->type < 4 || (VAR_12 && s->type==7)){

            for (VAR_6=0; VAR_6<VAR_0->height; VAR_6++) {

                PutBitContext pb;

                init_put_bits(&pb, VAR_13, VAR_9);

                for(VAR_21=0; VAR_21<VAR_0->width * VAR_14; VAR_21++){

                    unsigned int c=0;

                    int VAR_21=0;

                    if(s->type < 4)

                    while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' ))

                        s->bytestream++;

                    if(s->bytestream >= s->bytestream_end)

                        return AVERROR_INVALIDDATA;

                    if (VAR_12) {

                        

                        VAR_21 = (*s->bytestream++)&1;

                    } else {

                        

                        do {

                            VAR_21 = 10*VAR_21 + c;

                            c = (*s->bytestream++) - '0';

                        } while (c <= 9);

                    }

                    put_bits(&pb, VAR_15, (((1<<VAR_15)-1)*VAR_21 + (s->maxval>>1))/s->maxval);

                }

                flush_put_bits(&pb);

                VAR_13+= VAR_9;

            }

        }else{

        for (VAR_6 = 0; VAR_6 < VAR_0->height; VAR_6++) {

            if (!VAR_11)

                memcpy(VAR_13, s->bytestream, VAR_8);

            else if (VAR_11 == 1) {

                unsigned int VAR_21, VAR_20 = (255 * 128 + s->maxval / 2) / s->maxval;

                for (VAR_21 = 0; VAR_21 < VAR_8; VAR_21++)

                    VAR_13[VAR_21] = ((s->bytestream[VAR_21] & VAR_17) * VAR_20 + 64) >> 7;

            } else if (VAR_11 == 2) {

                unsigned int VAR_21, VAR_21, VAR_20 = (65535 * 32768 + s->maxval / 2) / s->maxval;

                for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) {

                    VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]) & VAR_17;

                    ((uint16_t *)VAR_13)[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15;

                }

            }

            s->bytestream += VAR_8;

            VAR_13           += VAR_9;

        }

        }

        break;

    case AV_PIX_FMT_YUV420P:

    case AV_PIX_FMT_YUV420P9BE:

    case AV_PIX_FMT_YUV420P10BE:

        {

            unsigned char *VAR_18, *VAR_19;



            VAR_8        = VAR_0->width;

            VAR_13      = p->VAR_1[0];

            VAR_9 = p->VAR_9[0];

            if (s->maxval >= 256)

                VAR_8 *= 2;

            if (s->bytestream + VAR_8 * VAR_0->height * 3 / 2 > s->bytestream_end)

                return AVERROR_INVALIDDATA;

            for (VAR_6 = 0; VAR_6 < VAR_0->height; VAR_6++) {

                memcpy(VAR_13, s->bytestream, VAR_8);

                s->bytestream += VAR_8;

                VAR_13           += VAR_9;

            }

            VAR_18 = p->VAR_1[1];

            VAR_19 = p->VAR_1[2];

            VAR_8 >>= 1;

            VAR_10 = VAR_0->height >> 1;

            for (VAR_6 = 0; VAR_6 < VAR_10; VAR_6++) {

                memcpy(VAR_18, s->bytestream, VAR_8);

                s->bytestream += VAR_8;

                memcpy(VAR_19, s->bytestream, VAR_8);

                s->bytestream += VAR_8;

                VAR_18 += p->VAR_9[1];

                VAR_19 += p->VAR_9[2];

            }

        }

        break;

    case AV_PIX_FMT_YUV420P16:

        {

            uint16_t *VAR_18, *VAR_19;

            const int VAR_20 = (65535 * 32768 + s->maxval / 2) / s->maxval;

            unsigned int VAR_21, VAR_21;



            VAR_8        = VAR_0->width * 2;

            VAR_13      = p->VAR_1[0];

            VAR_9 = p->VAR_9[0];

            if (s->bytestream + VAR_8 * VAR_0->height * 3 / 2 > s->bytestream_end)

                return AVERROR_INVALIDDATA;

            for (VAR_6 = 0; VAR_6 < VAR_0->height; VAR_6++) {

                for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) {

                    VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]);

                    ((uint16_t *)VAR_13)[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15;

                }

                s->bytestream += VAR_8;

                VAR_13           += VAR_9;

            }

            VAR_18 = (uint16_t*)p->VAR_1[1];

            VAR_19 = (uint16_t*)p->VAR_1[2];

            VAR_8 >>= 1;

            VAR_10 = VAR_0->height >> 1;

            for (VAR_6 = 0; VAR_6 < VAR_10; VAR_6++) {

                for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) {

                    VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]);

                    VAR_18[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15;

                }

                s->bytestream += VAR_8;



                for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) {

                    VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]);

                    VAR_19[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15;

                }

                s->bytestream += VAR_8;



                VAR_18 += p->VAR_9[1] / 2;

                VAR_19 += p->VAR_9[2] / 2;

            }

        }

        break;

    }

    *VAR_2 = 1;



    return s->bytestream - s->bytestream_start;

}

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; PNMContext * const s = VAR_0->priv_data; AVFrame * const p    = VAR_1; int VAR_6, VAR_21, VAR_8, VAR_9, VAR_10, VAR_11 = 0, VAR_12 = 0; unsigned char *VAR_13; int VAR_14, VAR_15, VAR_16; unsigned int VAR_17 = 0; s->bytestream_start =
s->bytestream       = (uint8_t *)VAR_4; s->bytestream_end   = (uint8_t *)VAR_4 + VAR_5; if ((VAR_16 = ff_pnm_decode_header(VAR_0, s)) < 0)
return VAR_16; if ((VAR_16 = ff_get_buffer(VAR_0, p, 0)) < 0)
return VAR_16; p->pict_type = AV_PICTURE_TYPE_I; p->key_frame = 1; switch (VAR_0->pix_fmt) { default:
return AVERROR(EINVAL); case AV_PIX_FMT_RGBA64BE:
VAR_8 = VAR_0->width * 8; VAR_14=4; VAR_15=16; goto do_read; case AV_PIX_FMT_RGB48BE:
VAR_8 = VAR_0->width * 6; VAR_14=3; VAR_15=16; goto do_read; case AV_PIX_FMT_RGBA:
VAR_8 = VAR_0->width * 4; VAR_14=4; VAR_15=8; goto do_read; case AV_PIX_FMT_RGB24:
VAR_8 = VAR_0->width * 3; VAR_14=3; VAR_15=8; goto do_read; case AV_PIX_FMT_GRAY8:
VAR_8 = VAR_0->width; VAR_14=1; VAR_15=8; if (s->maxval < 255) { VAR_11 = 1; VAR_17 = (2 << av_log2(s->maxval)) - 1; } goto do_read; case AV_PIX_FMT_GRAY8A:
VAR_8 = VAR_0->width * 2; VAR_14=2; VAR_15=8; goto do_read; case AV_PIX_FMT_GRAY16BE:
case AV_PIX_FMT_GRAY16LE:
VAR_8 = VAR_0->width * 2; VAR_14=1; VAR_15=16; if (s->maxval < 65535) { VAR_11 = 2; VAR_17 = (2 << av_log2(s->maxval)) - 1; } goto do_read; case AV_PIX_FMT_MONOWHITE:
case AV_PIX_FMT_MONOBLACK:
VAR_8 = (VAR_0->width + 7) >> 3; VAR_14=1; VAR_15=1; VAR_12 = 1; do_read:
VAR_13      = p->VAR_1[0]; VAR_9 = p->VAR_9[0]; if (s->bytestream + VAR_8 * VAR_0->height > s->bytestream_end)
return AVERROR_INVALIDDATA; if(s->type < 4 || (VAR_12 && s->type==7)){ for (VAR_6=0; VAR_6<VAR_0->height; VAR_6++) { PutBitContext pb; init_put_bits(&pb, VAR_13, VAR_9); for(VAR_21=0; VAR_21<VAR_0->width * VAR_14; VAR_21++){ unsigned int c=0; int VAR_21=0; if(s->type < 4)
while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' ))
s->bytestream++; if(s->bytestream >= s->bytestream_end)
return AVERROR_INVALIDDATA; if (VAR_12) { VAR_21 = (*s->bytestream++)&1; } else { do { VAR_21 = 10*VAR_21 + c; c = (*s->bytestream++) - '0'; } while (c <= 9); } put_bits(&pb, VAR_15, (((1<<VAR_15)-1)*VAR_21 + (s->maxval>>1))/s->maxval); } flush_put_bits(&pb); VAR_13+= VAR_9; } }else{ for (VAR_6 = 0; VAR_6 < VAR_0->height; VAR_6++) { if (!VAR_11)
memcpy(VAR_13, s->bytestream, VAR_8); else if (VAR_11 == 1) { unsigned int VAR_21, VAR_20 = (255 * 128 + s->maxval / 2) / s->maxval; for (VAR_21 = 0; VAR_21 < VAR_8; VAR_21++) VAR_13[VAR_21] = ((s->bytestream[VAR_21] & VAR_17) * VAR_20 + 64) >> 7; } else if (VAR_11 == 2) { unsigned int VAR_21, VAR_21, VAR_20 = (65535 * 32768 + s->maxval / 2) / s->maxval; for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) { VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]) & VAR_17; ((uint16_t *)VAR_13)[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15; } } s->bytestream += VAR_8; VAR_13           += VAR_9; } } break; case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUV420P9BE:
case AV_PIX_FMT_YUV420P10BE:
{ unsigned char *VAR_18, *VAR_19; VAR_8        = VAR_0->width; VAR_13      = p->VAR_1[0]; VAR_9 = p->VAR_9[0]; if (s->maxval >= 256)
VAR_8 *= 2; if (s->bytestream + VAR_8 * VAR_0->height * 3 / 2 > s->bytestream_end)
return AVERROR_INVALIDDATA; for (VAR_6 = 0; VAR_6 < VAR_0->height; VAR_6++) { memcpy(VAR_13, s->bytestream, VAR_8); s->bytestream += VAR_8; VAR_13           += VAR_9; } VAR_18 = p->VAR_1[1]; VAR_19 = p->VAR_1[2]; VAR_8 >>= 1; VAR_10 = VAR_0->height >> 1; for (VAR_6 = 0; VAR_6 < VAR_10; VAR_6++) { memcpy(VAR_18, s->bytestream, VAR_8); s->bytestream += VAR_8; memcpy(VAR_19, s->bytestream, VAR_8); s->bytestream += VAR_8; VAR_18 += p->VAR_9[1]; VAR_19 += p->VAR_9[2]; } } break; case AV_PIX_FMT_YUV420P16:
{ uint16_t *VAR_18, *VAR_19; const int VAR_20 = (65535 * 32768 + s->maxval / 2) / s->maxval; unsigned int VAR_21, VAR_21; VAR_8        = VAR_0->width * 2; VAR_13      = p->VAR_1[0]; VAR_9 = p->VAR_9[0]; if (s->bytestream + VAR_8 * VAR_0->height * 3 / 2 > s->bytestream_end)
return AVERROR_INVALIDDATA; for (VAR_6 = 0; VAR_6 < VAR_0->height; VAR_6++) { for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) { VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]); ((uint16_t *)VAR_13)[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15; } s->bytestream += VAR_8; VAR_13           += VAR_9; } VAR_18 = (uint16_t*)p->VAR_1[1]; VAR_19 = (uint16_t*)p->VAR_1[2]; VAR_8 >>= 1; VAR_10 = VAR_0->height >> 1; for (VAR_6 = 0; VAR_6 < VAR_10; VAR_6++) { for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) { VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]); VAR_18[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15; } s->bytestream += VAR_8; for (VAR_21 = 0; VAR_21 < VAR_8 / 2; VAR_21++) { VAR_21 = av_be2ne16(((uint16_t *)s->bytestream)[VAR_21]); VAR_19[VAR_21] = (VAR_21 * VAR_20 + 16384) >> 15; } s->bytestream += VAR_8; VAR_18 += p->VAR_9[1] / 2; VAR_19 += p->VAR_9[2] / 2; } } break; } *VAR_2 = 1; return s->bytestream - s->bytestream_start; }