static int sp5x_decode_frame(AVCodecContext *avctx, 

                              void *data, int *data_size,

                              uint8_t *buf, int buf_size)

{

#if 0

    MJpegDecodeContext *s = avctx->priv_data;

#endif

    const int qscale = 5;

    uint8_t *buf_ptr, *buf_end, *recoded;

    int i = 0, j = 0;



    /* no supplementary picture */

    if (buf_size == 0)

        return 0;



    if (!avctx->width || !avctx->height)

	return -1;



    buf_ptr = buf;

    buf_end = buf + buf_size;



#if 1

    recoded = av_mallocz(buf_size + 1024);

    if (!recoded)

	return -1;



    /* SOI */

    recoded[j++] = 0xFF;

    recoded[j++] = 0xD8;



    memcpy(recoded+j, &sp5x_data_dqt[0], sizeof(sp5x_data_dqt));

    memcpy(recoded+j+5, &sp5x_quant_table[qscale * 2], 64);

    memcpy(recoded+j+70, &sp5x_quant_table[(qscale * 2) + 1], 64);

    j += sizeof(sp5x_data_dqt);



    memcpy(recoded+j, &sp5x_data_dht[0], sizeof(sp5x_data_dht));

    j += sizeof(sp5x_data_dht);



    memcpy(recoded+j, &sp5x_data_sof[0], sizeof(sp5x_data_sof));

    recoded[j+5] = (avctx->coded_height >> 8) & 0xFF;

    recoded[j+6] = avctx->coded_height & 0xFF;

    recoded[j+7] = (avctx->coded_width >> 8) & 0xFF;

    recoded[j+8] = avctx->coded_width & 0xFF;

    j += sizeof(sp5x_data_sof);



    memcpy(recoded+j, &sp5x_data_sos[0], sizeof(sp5x_data_sos));

    j += sizeof(sp5x_data_sos);



    for (i = 14; i < buf_size && j < buf_size+1024-2; i++)

    {

	recoded[j++] = buf[i];

	if (buf[i] == 0xff)

	    recoded[j++] = 0;

    }



    /* EOI */

    recoded[j++] = 0xFF;

    recoded[j++] = 0xD9;



    i = mjpeg_decode_frame(avctx, data, data_size, recoded, j);



    av_free(recoded);



#else

    /* SOF */

    s->bits = 8;

    s->width  = avctx->coded_width;

    s->height = avctx->coded_height;

    s->nb_components = 3;

    s->component_id[0] = 0;

    s->h_count[0] = 2;

    s->v_count[0] = 2;

    s->quant_index[0] = 0;

    s->component_id[1] = 1;

    s->h_count[1] = 1;

    s->v_count[1] = 1;

    s->quant_index[1] = 1;

    s->component_id[2] = 2;

    s->h_count[2] = 1;

    s->v_count[2] = 1;

    s->quant_index[2] = 1;

    s->h_max = 2;

    s->v_max = 2;

    

    s->qscale_table = av_mallocz((s->width+15)/16);

    avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV420P : PIX_FMT_YUVJ420;

    s->interlaced = 0;

    

    s->picture.reference = 0;

    if (avctx->get_buffer(avctx, &s->picture) < 0)

    {

	fprintf(stderr, "get_buffer() failed\n");

	return -1;

    }



    s->picture.pict_type = I_TYPE;

    s->picture.key_frame = 1;



    for (i = 0; i < 3; i++)

	s->linesize[i] = s->picture.linesize[i] << s->interlaced;



    /* DQT */

    for (i = 0; i < 64; i++)

    {

	j = s->scantable.permutated[i];

	s->quant_matrixes[0][j] = sp5x_quant_table[(qscale * 2) + i];

    }

    s->qscale[0] = FFMAX(

	s->quant_matrixes[0][s->scantable.permutated[1]],

	s->quant_matrixes[0][s->scantable.permutated[8]]) >> 1;



    for (i = 0; i < 64; i++)

    {

	j = s->scantable.permutated[i];

	s->quant_matrixes[1][j] = sp5x_quant_table[(qscale * 2) + 1 + i];

    }

    s->qscale[1] = FFMAX(

	s->quant_matrixes[1][s->scantable.permutated[1]],

	s->quant_matrixes[1][s->scantable.permutated[8]]) >> 1;



    /* DHT */



    /* SOS */

    s->comp_index[0] = 0;

    s->nb_blocks[0] = s->h_count[0] * s->v_count[0];

    s->h_scount[0] = s->h_count[0];

    s->v_scount[0] = s->v_count[0];

    s->dc_index[0] = 0;

    s->ac_index[0] = 0;



    s->comp_index[1] = 1;

    s->nb_blocks[1] = s->h_count[1] * s->v_count[1];

    s->h_scount[1] = s->h_count[1];

    s->v_scount[1] = s->v_count[1];

    s->dc_index[1] = 1;

    s->ac_index[1] = 1;



    s->comp_index[2] = 2;

    s->nb_blocks[2] = s->h_count[2] * s->v_count[2];

    s->h_scount[2] = s->h_count[2];

    s->v_scount[2] = s->v_count[2];

    s->dc_index[2] = 1;

    s->ac_index[2] = 1;

    

    for (i = 0; i < 3; i++)

	s->last_dc[i] = 1024;



    s->mb_width = (s->width * s->h_max * 8 -1) / (s->h_max * 8);

    s->mb_height = (s->height * s->v_max * 8 -1) / (s->v_max * 8);



    init_get_bits(&s->gb, buf+14, (buf_size-14)*8);

    

    return mjpeg_decode_scan(s);

#endif



    return i;

}

static int sp5x_decode_frame(AVCodecContext *avctx, 

                              void *data, int *data_size,

                              uint8_t *buf, int buf_size)

{

#if 0

    MJpegDecodeContext *s = avctx->priv_data;

#endif

    const int qscale = 5;

    uint8_t *buf_ptr, *buf_end, *recoded;

    int i = 0, j = 0;



    

    if (buf_size == 0)

        return 0;



    if (!avctx->width || !avctx->height)

	return -1;



    buf_ptr = buf;

    buf_end = buf + buf_size;



#if 1

    recoded = av_mallocz(buf_size + 1024);

    if (!recoded)

	return -1;



    

    recoded[j++] = 0xFF;

    recoded[j++] = 0xD8;



    memcpy(recoded+j, &sp5x_data_dqt[0], sizeof(sp5x_data_dqt));

    memcpy(recoded+j+5, &sp5x_quant_table[qscale * 2], 64);

    memcpy(recoded+j+70, &sp5x_quant_table[(qscale * 2) + 1], 64);

    j += sizeof(sp5x_data_dqt);



    memcpy(recoded+j, &sp5x_data_dht[0], sizeof(sp5x_data_dht));

    j += sizeof(sp5x_data_dht);



    memcpy(recoded+j, &sp5x_data_sof[0], sizeof(sp5x_data_sof));

    recoded[j+5] = (avctx->coded_height >> 8) & 0xFF;

    recoded[j+6] = avctx->coded_height & 0xFF;

    recoded[j+7] = (avctx->coded_width >> 8) & 0xFF;

    recoded[j+8] = avctx->coded_width & 0xFF;

    j += sizeof(sp5x_data_sof);



    memcpy(recoded+j, &sp5x_data_sos[0], sizeof(sp5x_data_sos));

    j += sizeof(sp5x_data_sos);



    for (i = 14; i < buf_size && j < buf_size+1024-2; i++)

    {

	recoded[j++] = buf[i];

	if (buf[i] == 0xff)

	    recoded[j++] = 0;

    }



    

    recoded[j++] = 0xFF;

    recoded[j++] = 0xD9;



    i = mjpeg_decode_frame(avctx, data, data_size, recoded, j);



    av_free(recoded);



#else

    

    s->bits = 8;

    s->width  = avctx->coded_width;

    s->height = avctx->coded_height;

    s->nb_components = 3;

    s->component_id[0] = 0;

    s->h_count[0] = 2;

    s->v_count[0] = 2;

    s->quant_index[0] = 0;

    s->component_id[1] = 1;

    s->h_count[1] = 1;

    s->v_count[1] = 1;

    s->quant_index[1] = 1;

    s->component_id[2] = 2;

    s->h_count[2] = 1;

    s->v_count[2] = 1;

    s->quant_index[2] = 1;

    s->h_max = 2;

    s->v_max = 2;

    

    s->qscale_table = av_mallocz((s->width+15)/16);

    avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV420P : PIX_FMT_YUVJ420;

    s->interlaced = 0;

    

    s->picture.reference = 0;

    if (avctx->get_buffer(avctx, &s->picture) < 0)

    {

	fprintf(stderr, "get_buffer() failed\n");

	return -1;

    }



    s->picture.pict_type = I_TYPE;

    s->picture.key_frame = 1;



    for (i = 0; i < 3; i++)

	s->linesize[i] = s->picture.linesize[i] << s->interlaced;



    

    for (i = 0; i < 64; i++)

    {

	j = s->scantable.permutated[i];

	s->quant_matrixes[0][j] = sp5x_quant_table[(qscale * 2) + i];

    }

    s->qscale[0] = FFMAX(

	s->quant_matrixes[0][s->scantable.permutated[1]],

	s->quant_matrixes[0][s->scantable.permutated[8]]) >> 1;



    for (i = 0; i < 64; i++)

    {

	j = s->scantable.permutated[i];

	s->quant_matrixes[1][j] = sp5x_quant_table[(qscale * 2) + 1 + i];

    }

    s->qscale[1] = FFMAX(

	s->quant_matrixes[1][s->scantable.permutated[1]],

	s->quant_matrixes[1][s->scantable.permutated[8]]) >> 1;



    



    

    s->comp_index[0] = 0;

    s->nb_blocks[0] = s->h_count[0] * s->v_count[0];

    s->h_scount[0] = s->h_count[0];

    s->v_scount[0] = s->v_count[0];

    s->dc_index[0] = 0;

    s->ac_index[0] = 0;



    s->comp_index[1] = 1;

    s->nb_blocks[1] = s->h_count[1] * s->v_count[1];

    s->h_scount[1] = s->h_count[1];

    s->v_scount[1] = s->v_count[1];

    s->dc_index[1] = 1;

    s->ac_index[1] = 1;



    s->comp_index[2] = 2;

    s->nb_blocks[2] = s->h_count[2] * s->v_count[2];

    s->h_scount[2] = s->h_count[2];

    s->v_scount[2] = s->v_count[2];

    s->dc_index[2] = 1;

    s->ac_index[2] = 1;

    

    for (i = 0; i < 3; i++)

	s->last_dc[i] = 1024;



    s->mb_width = (s->width * s->h_max * 8 -1) / (s->h_max * 8);

    s->mb_height = (s->height * s->v_max * 8 -1) / (s->v_max * 8);



    init_get_bits(&s->gb, buf+14, (buf_size-14)*8);

    

    return mjpeg_decode_scan(s);

#endif



    return i;

}

static int FUNC_0(AVCodecContext *VAR_0, 

                              void *VAR_1, int *VAR_2,

                              uint8_t *VAR_3, int VAR_4)

{

#if 0

    MJpegDecodeContext *s = VAR_0->priv_data;

#endif

    const int VAR_5 = 5;

    uint8_t *buf_ptr, *buf_end, *recoded;

    int VAR_6 = 0, VAR_7 = 0;



    

    if (VAR_4 == 0)

        return 0;



    if (!VAR_0->width || !VAR_0->height)

	return -1;



    buf_ptr = VAR_3;

    buf_end = VAR_3 + VAR_4;



#if 1

    recoded = av_mallocz(VAR_4 + 1024);

    if (!recoded)

	return -1;



    

    recoded[VAR_7++] = 0xFF;

    recoded[VAR_7++] = 0xD8;



    memcpy(recoded+VAR_7, &sp5x_data_dqt[0], sizeof(sp5x_data_dqt));

    memcpy(recoded+VAR_7+5, &sp5x_quant_table[VAR_5 * 2], 64);

    memcpy(recoded+VAR_7+70, &sp5x_quant_table[(VAR_5 * 2) + 1], 64);

    VAR_7 += sizeof(sp5x_data_dqt);



    memcpy(recoded+VAR_7, &sp5x_data_dht[0], sizeof(sp5x_data_dht));

    VAR_7 += sizeof(sp5x_data_dht);



    memcpy(recoded+VAR_7, &sp5x_data_sof[0], sizeof(sp5x_data_sof));

    recoded[VAR_7+5] = (VAR_0->coded_height >> 8) & 0xFF;

    recoded[VAR_7+6] = VAR_0->coded_height & 0xFF;

    recoded[VAR_7+7] = (VAR_0->coded_width >> 8) & 0xFF;

    recoded[VAR_7+8] = VAR_0->coded_width & 0xFF;

    VAR_7 += sizeof(sp5x_data_sof);



    memcpy(recoded+VAR_7, &sp5x_data_sos[0], sizeof(sp5x_data_sos));

    VAR_7 += sizeof(sp5x_data_sos);



    for (VAR_6 = 14; VAR_6 < VAR_4 && VAR_7 < VAR_4+1024-2; VAR_6++)

    {

	recoded[VAR_7++] = VAR_3[VAR_6];

	if (VAR_3[VAR_6] == 0xff)

	    recoded[VAR_7++] = 0;

    }



    

    recoded[VAR_7++] = 0xFF;

    recoded[VAR_7++] = 0xD9;



    VAR_6 = mjpeg_decode_frame(VAR_0, VAR_1, VAR_2, recoded, VAR_7);



    av_free(recoded);



#else

    

    s->bits = 8;

    s->width  = VAR_0->coded_width;

    s->height = VAR_0->coded_height;

    s->nb_components = 3;

    s->component_id[0] = 0;

    s->h_count[0] = 2;

    s->v_count[0] = 2;

    s->quant_index[0] = 0;

    s->component_id[1] = 1;

    s->h_count[1] = 1;

    s->v_count[1] = 1;

    s->quant_index[1] = 1;

    s->component_id[2] = 2;

    s->h_count[2] = 1;

    s->v_count[2] = 1;

    s->quant_index[2] = 1;

    s->h_max = 2;

    s->v_max = 2;

    

    s->qscale_table = av_mallocz((s->width+15)/16);

    VAR_0->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV420P : PIX_FMT_YUVJ420;

    s->interlaced = 0;

    

    s->picture.reference = 0;

    if (VAR_0->get_buffer(VAR_0, &s->picture) < 0)

    {

	fprintf(stderr, "get_buffer() failed\n");

	return -1;

    }



    s->picture.pict_type = I_TYPE;

    s->picture.key_frame = 1;



    for (VAR_6 = 0; VAR_6 < 3; VAR_6++)

	s->linesize[VAR_6] = s->picture.linesize[VAR_6] << s->interlaced;



    

    for (VAR_6 = 0; VAR_6 < 64; VAR_6++)

    {

	VAR_7 = s->scantable.permutated[VAR_6];

	s->quant_matrixes[0][VAR_7] = sp5x_quant_table[(VAR_5 * 2) + VAR_6];

    }

    s->VAR_5[0] = FFMAX(

	s->quant_matrixes[0][s->scantable.permutated[1]],

	s->quant_matrixes[0][s->scantable.permutated[8]]) >> 1;



    for (VAR_6 = 0; VAR_6 < 64; VAR_6++)

    {

	VAR_7 = s->scantable.permutated[VAR_6];

	s->quant_matrixes[1][VAR_7] = sp5x_quant_table[(VAR_5 * 2) + 1 + VAR_6];

    }

    s->VAR_5[1] = FFMAX(

	s->quant_matrixes[1][s->scantable.permutated[1]],

	s->quant_matrixes[1][s->scantable.permutated[8]]) >> 1;



    



    

    s->comp_index[0] = 0;

    s->nb_blocks[0] = s->h_count[0] * s->v_count[0];

    s->h_scount[0] = s->h_count[0];

    s->v_scount[0] = s->v_count[0];

    s->dc_index[0] = 0;

    s->ac_index[0] = 0;



    s->comp_index[1] = 1;

    s->nb_blocks[1] = s->h_count[1] * s->v_count[1];

    s->h_scount[1] = s->h_count[1];

    s->v_scount[1] = s->v_count[1];

    s->dc_index[1] = 1;

    s->ac_index[1] = 1;



    s->comp_index[2] = 2;

    s->nb_blocks[2] = s->h_count[2] * s->v_count[2];

    s->h_scount[2] = s->h_count[2];

    s->v_scount[2] = s->v_count[2];

    s->dc_index[2] = 1;

    s->ac_index[2] = 1;

    

    for (VAR_6 = 0; VAR_6 < 3; VAR_6++)

	s->last_dc[VAR_6] = 1024;



    s->mb_width = (s->width * s->h_max * 8 -1) / (s->h_max * 8);

    s->mb_height = (s->height * s->v_max * 8 -1) / (s->v_max * 8);



    init_get_bits(&s->gb, VAR_3+14, (VAR_4-14)*8);

    

    return mjpeg_decode_scan(s);

#endif



    return VAR_6;

}

static int FUNC_0(AVCodecContext *VAR_0,
void *VAR_1, int *VAR_2,
uint8_t *VAR_3, int VAR_4)
{ #if 0
MJpegDecodeContext *s = VAR_0->priv_data; #endif
const int VAR_5 = 5; uint8_t *buf_ptr, *buf_end, *recoded; int VAR_6 = 0, VAR_7 = 0; if (VAR_4 == 0)
return 0; if (!VAR_0->width || !VAR_0->height)
return -1; buf_ptr = VAR_3; buf_end = VAR_3 + VAR_4; #if 1
recoded = av_mallocz(VAR_4 + 1024); if (!recoded)
return -1; recoded[VAR_7++] = 0xFF; recoded[VAR_7++] = 0xD8; memcpy(recoded+VAR_7, &sp5x_data_dqt[0], sizeof(sp5x_data_dqt)); memcpy(recoded+VAR_7+5, &sp5x_quant_table[VAR_5 * 2], 64); memcpy(recoded+VAR_7+70, &sp5x_quant_table[(VAR_5 * 2) + 1], 64); VAR_7 += sizeof(sp5x_data_dqt); memcpy(recoded+VAR_7, &sp5x_data_dht[0], sizeof(sp5x_data_dht)); VAR_7 += sizeof(sp5x_data_dht); memcpy(recoded+VAR_7, &sp5x_data_sof[0], sizeof(sp5x_data_sof)); recoded[VAR_7+5] = (VAR_0->coded_height >> 8) & 0xFF; recoded[VAR_7+6] = VAR_0->coded_height & 0xFF; recoded[VAR_7+7] = (VAR_0->coded_width >> 8) & 0xFF; recoded[VAR_7+8] = VAR_0->coded_width & 0xFF; VAR_7 += sizeof(sp5x_data_sof); memcpy(recoded+VAR_7, &sp5x_data_sos[0], sizeof(sp5x_data_sos)); VAR_7 += sizeof(sp5x_data_sos); for (VAR_6 = 14; VAR_6 < VAR_4 && VAR_7 < VAR_4+1024-2; VAR_6++) { recoded[VAR_7++] = VAR_3[VAR_6]; if (VAR_3[VAR_6] == 0xff)
recoded[VAR_7++] = 0; } recoded[VAR_7++] = 0xFF; recoded[VAR_7++] = 0xD9; VAR_6 = mjpeg_decode_frame(VAR_0, VAR_1, VAR_2, recoded, VAR_7); av_free(recoded); #else
s->bits = 8; s->width  = VAR_0->coded_width; s->height = VAR_0->coded_height; s->nb_components = 3; s->component_id[0] = 0; s->h_count[0] = 2; s->v_count[0] = 2; s->quant_index[0] = 0; s->component_id[1] = 1; s->h_count[1] = 1; s->v_count[1] = 1; s->quant_index[1] = 1; s->component_id[2] = 2; s->h_count[2] = 1; s->v_count[2] = 1; s->quant_index[2] = 1; s->h_max = 2; s->v_max = 2; s->qscale_table = av_mallocz((s->width+15)/16); VAR_0->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV420P : PIX_FMT_YUVJ420; s->interlaced = 0; s->picture.reference = 0; if (VAR_0->get_buffer(VAR_0, &s->picture) < 0)
{ fprintf(stderr, "get_buffer() failed\n"); return -1; } s->picture.pict_type = I_TYPE; s->picture.key_frame = 1; for (VAR_6 = 0; VAR_6 < 3; VAR_6++) s->linesize[VAR_6] = s->picture.linesize[VAR_6] << s->interlaced; for (VAR_6 = 0; VAR_6 < 64; VAR_6++) { VAR_7 = s->scantable.permutated[VAR_6]; s->quant_matrixes[0][VAR_7] = sp5x_quant_table[(VAR_5 * 2) + VAR_6]; } s->VAR_5[0] = FFMAX(
s->quant_matrixes[0][s->scantable.permutated[1]],
s->quant_matrixes[0][s->scantable.permutated[8]]) >> 1; for (VAR_6 = 0; VAR_6 < 64; VAR_6++) { VAR_7 = s->scantable.permutated[VAR_6]; s->quant_matrixes[1][VAR_7] = sp5x_quant_table[(VAR_5 * 2) + 1 + VAR_6]; } s->VAR_5[1] = FFMAX(
s->quant_matrixes[1][s->scantable.permutated[1]],
s->quant_matrixes[1][s->scantable.permutated[8]]) >> 1; s->comp_index[0] = 0; s->nb_blocks[0] = s->h_count[0] * s->v_count[0]; s->h_scount[0] = s->h_count[0]; s->v_scount[0] = s->v_count[0]; s->dc_index[0] = 0; s->ac_index[0] = 0; s->comp_index[1] = 1; s->nb_blocks[1] = s->h_count[1] * s->v_count[1]; s->h_scount[1] = s->h_count[1]; s->v_scount[1] = s->v_count[1]; s->dc_index[1] = 1; s->ac_index[1] = 1; s->comp_index[2] = 2; s->nb_blocks[2] = s->h_count[2] * s->v_count[2]; s->h_scount[2] = s->h_count[2]; s->v_scount[2] = s->v_count[2]; s->dc_index[2] = 1; s->ac_index[2] = 1; for (VAR_6 = 0; VAR_6 < 3; VAR_6++) s->last_dc[VAR_6] = 1024; s->mb_width = (s->width * s->h_max * 8 -1) / (s->h_max * 8); s->mb_height = (s->height * s->v_max * 8 -1) / (s->v_max * 8); init_get_bits(&s->gb, VAR_3+14, (VAR_4-14)*8); return mjpeg_decode_scan(s); #endif
return VAR_6; }