static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,

                                      void *data, int *got_frame,

                                      const uint8_t *buf, int buf_size)

{

    /* Note, the only difference between the 15Bpp and 16Bpp */

    /* Format is the pixel format, the packets are processed the same. */

    FlicDecodeContext *s = avctx->priv_data;



    GetByteContext g2;

    int pixel_ptr;

    unsigned char palette_idx1;



    unsigned int frame_size;

    int num_chunks;



    unsigned int chunk_size;

    int chunk_type;



    int i, j, ret;



    int lines;

    int compressed_lines;

    signed short line_packets;

    int y_ptr;

    int byte_run;

    int pixel_skip;

    int pixel_countdown;

    unsigned char *pixels;

    int pixel;

    unsigned int pixel_limit;



    bytestream2_init(&g2, buf, buf_size);



    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)

        return ret;



    pixels = s->frame->data[0];

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



    frame_size = bytestream2_get_le32(&g2);

    bytestream2_skip(&g2, 2);  /* skip the magic number */

    num_chunks = bytestream2_get_le16(&g2);

    bytestream2_skip(&g2, 8);  /* skip padding */

    if (frame_size > buf_size)

        frame_size = buf_size;





    frame_size -= 16;



    /* iterate through the chunks */

    while ((frame_size > 0) && (num_chunks > 0) &&

            bytestream2_get_bytes_left(&g2) >= 4) {

        int stream_ptr_after_chunk;

        chunk_size = bytestream2_get_le32(&g2);

        if (chunk_size > frame_size) {

            av_log(avctx, AV_LOG_WARNING,

                   "Invalid chunk_size = %u > frame_size = %u\n", chunk_size, frame_size);

            chunk_size = frame_size;

        }

        stream_ptr_after_chunk = bytestream2_tell(&g2) - 4 + chunk_size;



        chunk_type = bytestream2_get_le16(&g2);





        switch (chunk_type) {

        case FLI_256_COLOR:

        case FLI_COLOR:

            /* For some reason, it seems that non-palettized flics do

             * include one of these chunks in their first frame.

             * Why I do not know, it seems rather extraneous. */

            ff_dlog(avctx,

                    "Unexpected Palette chunk %d in non-palettized FLC\n",

                    chunk_type);

            bytestream2_skip(&g2, chunk_size - 6);

            break;



        case FLI_DELTA:

        case FLI_DTA_LC:

            y_ptr = 0;

            compressed_lines = bytestream2_get_le16(&g2);

            while (compressed_lines > 0) {

                if (bytestream2_tell(&g2) + 2 > stream_ptr_after_chunk)

                    break;

                line_packets = bytestream2_get_le16(&g2);

                if (line_packets < 0) {

                    line_packets = -line_packets;

                    y_ptr += line_packets * s->frame->linesize[0];

                } else {

                    compressed_lines--;

                    pixel_ptr = y_ptr;

                    CHECK_PIXEL_PTR(0);

                    pixel_countdown = s->avctx->width;

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

                        /* account for the skip bytes */

                        if (bytestream2_tell(&g2) + 2 > stream_ptr_after_chunk)

                            break;

                        pixel_skip = bytestream2_get_byte(&g2);

                        pixel_ptr += (pixel_skip*2); /* Pixel is 2 bytes wide */

                        pixel_countdown -= pixel_skip;

                        byte_run = sign_extend(bytestream2_get_byte(&g2), 8);

                        if (byte_run < 0) {

                            byte_run = -byte_run;

                            pixel    = bytestream2_get_le16(&g2);

                            CHECK_PIXEL_PTR(2 * byte_run);

                            for (j = 0; j < byte_run; j++, pixel_countdown -= 2) {

                                *((signed short*)(&pixels[pixel_ptr])) = pixel;

                                pixel_ptr += 2;

                            }

                        } else {

                            if (bytestream2_tell(&g2) + 2*byte_run > stream_ptr_after_chunk)

                                break;

                            CHECK_PIXEL_PTR(2 * byte_run);

                            for (j = 0; j < byte_run; j++, pixel_countdown--) {

                                *((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);

                                pixel_ptr += 2;

                            }

                        }

                    }



                    y_ptr += s->frame->linesize[0];

                }

            }

            break;



        case FLI_LC:

            av_log(avctx, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\n");

            bytestream2_skip(&g2, chunk_size - 6);

            break;



        case FLI_BLACK:

            /* set the whole frame to 0x0000 which is black in both 15Bpp and 16Bpp modes. */

            memset(pixels, 0x0000,

                   s->frame->linesize[0] * s->avctx->height);

            break;



        case FLI_BRUN:

            y_ptr = 0;

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

                pixel_ptr = y_ptr;

                /* disregard the line packets; instead, iterate through all

                 * pixels on a row */

                bytestream2_skip(&g2, 1);

                pixel_countdown = (s->avctx->width * 2);



                while (pixel_countdown > 0) {

                    if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)

                        break;

                    byte_run = sign_extend(bytestream2_get_byte(&g2), 8);

                    if (byte_run > 0) {

                        palette_idx1 = bytestream2_get_byte(&g2);

                        CHECK_PIXEL_PTR(byte_run);

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

                            pixels[pixel_ptr++] = palette_idx1;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) (linea%d)\n",

                                       pixel_countdown, lines);

                        }

                    } else {  /* copy bytes if byte_run < 0 */

                        byte_run = -byte_run;

                        if (bytestream2_tell(&g2) + byte_run > stream_ptr_after_chunk)

                            break;

                        CHECK_PIXEL_PTR(byte_run);

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

                            palette_idx1 = bytestream2_get_byte(&g2);

                            pixels[pixel_ptr++] = palette_idx1;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",

                                       pixel_countdown, lines);

                        }

                    }

                }



                /* Now FLX is strange, in that it is "byte" as opposed to "pixel" run length compressed.

                 * This does not give us any good opportunity to perform word endian conversion

                 * during decompression. So if it is required (i.e., this is not a LE target, we do

                 * a second pass over the line here, swapping the bytes.

                 */

#if HAVE_BIGENDIAN

                pixel_ptr = y_ptr;

                pixel_countdown = s->avctx->width;

                while (pixel_countdown > 0) {

                    *((signed short*)(&pixels[pixel_ptr])) = AV_RL16(&buf[pixel_ptr]);

                    pixel_ptr += 2;

                }

#endif

                y_ptr += s->frame->linesize[0];

            }

            break;



        case FLI_DTA_BRUN:

            y_ptr = 0;

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

                pixel_ptr = y_ptr;

                /* disregard the line packets; instead, iterate through all

                 * pixels on a row */

                bytestream2_skip(&g2, 1);

                pixel_countdown = s->avctx->width; /* Width is in pixels, not bytes */



                while (pixel_countdown > 0) {

                    if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)

                        break;

                    byte_run = sign_extend(bytestream2_get_byte(&g2), 8);

                    if (byte_run > 0) {

                        pixel    = bytestream2_get_le16(&g2);

                        CHECK_PIXEL_PTR(2 * byte_run);

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

                            *((signed short*)(&pixels[pixel_ptr])) = pixel;

                            pixel_ptr += 2;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",

                                       pixel_countdown);

                        }

                    } else {  /* copy pixels if byte_run < 0 */

                        byte_run = -byte_run;

                        if (bytestream2_tell(&g2) + 2 * byte_run > stream_ptr_after_chunk)

                            break;

                        CHECK_PIXEL_PTR(2 * byte_run);

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

                            *((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);

                            pixel_ptr  += 2;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",

                                       pixel_countdown);

                        }

                    }

                }



                y_ptr += s->frame->linesize[0];

            }

            break;



        case FLI_COPY:

        case FLI_DTA_COPY:

            /* copy the chunk (uncompressed frame) */

            if (chunk_size - 6 > (unsigned int)(FFALIGN(s->avctx->width, 2) * s->avctx->height)*2) {

                av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \

                       "bigger than image, skipping chunk\n", chunk_size - 6);

                bytestream2_skip(&g2, chunk_size - 6);

            } else {



                for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;

                     y_ptr += s->frame->linesize[0]) {



                    pixel_countdown = s->avctx->width;

                    pixel_ptr = 0;

                    while (pixel_countdown > 0) {

                      *((signed short*)(&pixels[y_ptr + pixel_ptr])) = bytestream2_get_le16(&g2);

                      pixel_ptr += 2;

                      pixel_countdown--;

                    }

                    if (s->avctx->width & 1)

                        bytestream2_skip(&g2, 2);

                }

            }

            break;



        case FLI_MINI:

            /* some sort of a thumbnail? disregard this chunk... */

            bytestream2_skip(&g2, chunk_size - 6);

            break;



        default:

            av_log(avctx, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", chunk_type);

            break;

        }



        if (stream_ptr_after_chunk - bytestream2_tell(&g2) >= 0) {

            bytestream2_skip(&g2, stream_ptr_after_chunk - bytestream2_tell(&g2));

        } else {

            av_log(avctx, AV_LOG_ERROR, "Chunk overread\n");

            break;

        }



        frame_size -= chunk_size;

        num_chunks--;

    }



    /* by the end of the chunk, the stream ptr should equal the frame

     * size (minus 1, possibly); if it doesn't, issue a warning */

    if ((bytestream2_get_bytes_left(&g2) != 0) && (bytestream2_get_bytes_left(&g2) != 1))

        av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \

               "and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2));



    if ((ret = av_frame_ref(data, s->frame)) < 0)

        return ret;



    *got_frame = 1;



    return buf_size;

}
static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,

                                      void *data, int *got_frame,

                                      const uint8_t *buf, int buf_size)

{

    

    

    FlicDecodeContext *s = avctx->priv_data;



    GetByteContext g2;

    int pixel_ptr;

    unsigned char palette_idx1;



    unsigned int frame_size;

    int num_chunks;



    unsigned int chunk_size;

    int chunk_type;



    int i, j, ret;



    int lines;

    int compressed_lines;

    signed short line_packets;

    int y_ptr;

    int byte_run;

    int pixel_skip;

    int pixel_countdown;

    unsigned char *pixels;

    int pixel;

    unsigned int pixel_limit;



    bytestream2_init(&g2, buf, buf_size);



    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)

        return ret;



    pixels = s->frame->data[0];

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



    frame_size = bytestream2_get_le32(&g2);

    bytestream2_skip(&g2, 2);  

    num_chunks = bytestream2_get_le16(&g2);

    bytestream2_skip(&g2, 8);  

    if (frame_size > buf_size)

        frame_size = buf_size;





    frame_size -= 16;



    

    while ((frame_size > 0) && (num_chunks > 0) &&

            bytestream2_get_bytes_left(&g2) >= 4) {

        int stream_ptr_after_chunk;

        chunk_size = bytestream2_get_le32(&g2);

        if (chunk_size > frame_size) {

            av_log(avctx, AV_LOG_WARNING,

                   "Invalid chunk_size = %u > frame_size = %u\n", chunk_size, frame_size);

            chunk_size = frame_size;

        }

        stream_ptr_after_chunk = bytestream2_tell(&g2) - 4 + chunk_size;



        chunk_type = bytestream2_get_le16(&g2);





        switch (chunk_type) {

        case FLI_256_COLOR:

        case FLI_COLOR:

            





            ff_dlog(avctx,

                    "Unexpected Palette chunk %d in non-palettized FLC\n",

                    chunk_type);

            bytestream2_skip(&g2, chunk_size - 6);

            break;



        case FLI_DELTA:

        case FLI_DTA_LC:

            y_ptr = 0;

            compressed_lines = bytestream2_get_le16(&g2);

            while (compressed_lines > 0) {

                if (bytestream2_tell(&g2) + 2 > stream_ptr_after_chunk)

                    break;

                line_packets = bytestream2_get_le16(&g2);

                if (line_packets < 0) {

                    line_packets = -line_packets;

                    y_ptr += line_packets * s->frame->linesize[0];

                } else {

                    compressed_lines--;

                    pixel_ptr = y_ptr;

                    CHECK_PIXEL_PTR(0);

                    pixel_countdown = s->avctx->width;

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

                        

                        if (bytestream2_tell(&g2) + 2 > stream_ptr_after_chunk)

                            break;

                        pixel_skip = bytestream2_get_byte(&g2);

                        pixel_ptr += (pixel_skip*2); 

                        pixel_countdown -= pixel_skip;

                        byte_run = sign_extend(bytestream2_get_byte(&g2), 8);

                        if (byte_run < 0) {

                            byte_run = -byte_run;

                            pixel    = bytestream2_get_le16(&g2);

                            CHECK_PIXEL_PTR(2 * byte_run);

                            for (j = 0; j < byte_run; j++, pixel_countdown -= 2) {

                                *((signed short*)(&pixels[pixel_ptr])) = pixel;

                                pixel_ptr += 2;

                            }

                        } else {

                            if (bytestream2_tell(&g2) + 2*byte_run > stream_ptr_after_chunk)

                                break;

                            CHECK_PIXEL_PTR(2 * byte_run);

                            for (j = 0; j < byte_run; j++, pixel_countdown--) {

                                *((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);

                                pixel_ptr += 2;

                            }

                        }

                    }



                    y_ptr += s->frame->linesize[0];

                }

            }

            break;



        case FLI_LC:

            av_log(avctx, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\n");

            bytestream2_skip(&g2, chunk_size - 6);

            break;



        case FLI_BLACK:

            

            memset(pixels, 0x0000,

                   s->frame->linesize[0] * s->avctx->height);

            break;



        case FLI_BRUN:

            y_ptr = 0;

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

                pixel_ptr = y_ptr;

                



                bytestream2_skip(&g2, 1);

                pixel_countdown = (s->avctx->width * 2);



                while (pixel_countdown > 0) {

                    if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)

                        break;

                    byte_run = sign_extend(bytestream2_get_byte(&g2), 8);

                    if (byte_run > 0) {

                        palette_idx1 = bytestream2_get_byte(&g2);

                        CHECK_PIXEL_PTR(byte_run);

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

                            pixels[pixel_ptr++] = palette_idx1;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) (linea%d)\n",

                                       pixel_countdown, lines);

                        }

                    } else {  

                        byte_run = -byte_run;

                        if (bytestream2_tell(&g2) + byte_run > stream_ptr_after_chunk)

                            break;

                        CHECK_PIXEL_PTR(byte_run);

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

                            palette_idx1 = bytestream2_get_byte(&g2);

                            pixels[pixel_ptr++] = palette_idx1;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d) at line %d\n",

                                       pixel_countdown, lines);

                        }

                    }

                }



                









#if HAVE_BIGENDIAN

                pixel_ptr = y_ptr;

                pixel_countdown = s->avctx->width;

                while (pixel_countdown > 0) {

                    *((signed short*)(&pixels[pixel_ptr])) = AV_RL16(&buf[pixel_ptr]);

                    pixel_ptr += 2;

                }

#endif

                y_ptr += s->frame->linesize[0];

            }

            break;



        case FLI_DTA_BRUN:

            y_ptr = 0;

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

                pixel_ptr = y_ptr;

                



                bytestream2_skip(&g2, 1);

                pixel_countdown = s->avctx->width; 



                while (pixel_countdown > 0) {

                    if (bytestream2_tell(&g2) + 1 > stream_ptr_after_chunk)

                        break;

                    byte_run = sign_extend(bytestream2_get_byte(&g2), 8);

                    if (byte_run > 0) {

                        pixel    = bytestream2_get_le16(&g2);

                        CHECK_PIXEL_PTR(2 * byte_run);

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

                            *((signed short*)(&pixels[pixel_ptr])) = pixel;

                            pixel_ptr += 2;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",

                                       pixel_countdown);

                        }

                    } else {  

                        byte_run = -byte_run;

                        if (bytestream2_tell(&g2) + 2 * byte_run > stream_ptr_after_chunk)

                            break;

                        CHECK_PIXEL_PTR(2 * byte_run);

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

                            *((signed short*)(&pixels[pixel_ptr])) = bytestream2_get_le16(&g2);

                            pixel_ptr  += 2;

                            pixel_countdown--;

                            if (pixel_countdown < 0)

                                av_log(avctx, AV_LOG_ERROR, "pixel_countdown < 0 (%d)\n",

                                       pixel_countdown);

                        }

                    }

                }



                y_ptr += s->frame->linesize[0];

            }

            break;



        case FLI_COPY:

        case FLI_DTA_COPY:

            

            if (chunk_size - 6 > (unsigned int)(FFALIGN(s->avctx->width, 2) * s->avctx->height)*2) {

                av_log(avctx, AV_LOG_ERROR, "In chunk FLI_COPY : source data (%d bytes) " \

                       "bigger than image, skipping chunk\n", chunk_size - 6);

                bytestream2_skip(&g2, chunk_size - 6);

            } else {



                for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height;

                     y_ptr += s->frame->linesize[0]) {



                    pixel_countdown = s->avctx->width;

                    pixel_ptr = 0;

                    while (pixel_countdown > 0) {

                      *((signed short*)(&pixels[y_ptr + pixel_ptr])) = bytestream2_get_le16(&g2);

                      pixel_ptr += 2;

                      pixel_countdown--;

                    }

                    if (s->avctx->width & 1)

                        bytestream2_skip(&g2, 2);

                }

            }

            break;



        case FLI_MINI:

            

            bytestream2_skip(&g2, chunk_size - 6);

            break;



        default:

            av_log(avctx, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", chunk_type);

            break;

        }



        if (stream_ptr_after_chunk - bytestream2_tell(&g2) >= 0) {

            bytestream2_skip(&g2, stream_ptr_after_chunk - bytestream2_tell(&g2));

        } else {

            av_log(avctx, AV_LOG_ERROR, "Chunk overread\n");

            break;

        }



        frame_size -= chunk_size;

        num_chunks--;

    }



    



    if ((bytestream2_get_bytes_left(&g2) != 0) && (bytestream2_get_bytes_left(&g2) != 1))

        av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \

               "and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2));



    if ((ret = av_frame_ref(data, s->frame)) < 0)

        return ret;



    *got_frame = 1;



    return buf_size;

}
static int FUNC_0(AVCodecContext *VAR_0,

                                      void *VAR_1, int *VAR_2,

                                      const uint8_t *VAR_3, int VAR_4)

{

    

    

    FlicDecodeContext *s = VAR_0->priv_data;



    GetByteContext g2;

    int VAR_5;

    unsigned char VAR_6;



    unsigned int VAR_7;

    int VAR_8;



    unsigned int VAR_9;

    int VAR_10;



    int VAR_11, VAR_12, VAR_13;



    int VAR_14;

    int VAR_15;

    signed short VAR_16;

    int VAR_17;

    int VAR_18;

    int VAR_19;

    int VAR_20;

    unsigned char *VAR_21;

    int VAR_22;

    unsigned int VAR_23;



    bytestream2_init(&g2, VAR_3, VAR_4);



    if ((VAR_13 = ff_reget_buffer(VAR_0, s->frame)) < 0)

        return VAR_13;



    VAR_21 = s->frame->VAR_1[0];

    VAR_23 = s->VAR_0->height * s->frame->linesize[0];



    VAR_7 = bytestream2_get_le32(&g2);

    bytestream2_skip(&g2, 2);  

    VAR_8 = bytestream2_get_le16(&g2);

    bytestream2_skip(&g2, 8);  

    if (VAR_7 > VAR_4)

        VAR_7 = VAR_4;





    VAR_7 -= 16;



    

    while ((VAR_7 > 0) && (VAR_8 > 0) &&

            bytestream2_get_bytes_left(&g2) >= 4) {

        int VAR_24;

        VAR_9 = bytestream2_get_le32(&g2);

        if (VAR_9 > VAR_7) {

            av_log(VAR_0, AV_LOG_WARNING,

                   "Invalid VAR_9 = %u > VAR_7 = %u\n", VAR_9, VAR_7);

            VAR_9 = VAR_7;

        }

        VAR_24 = bytestream2_tell(&g2) - 4 + VAR_9;



        VAR_10 = bytestream2_get_le16(&g2);





        switch (VAR_10) {

        case FLI_256_COLOR:

        case FLI_COLOR:

            





            ff_dlog(VAR_0,

                    "Unexpected Palette chunk %d in non-palettized FLC\n",

                    VAR_10);

            bytestream2_skip(&g2, VAR_9 - 6);

            break;



        case FLI_DELTA:

        case FLI_DTA_LC:

            VAR_17 = 0;

            VAR_15 = bytestream2_get_le16(&g2);

            while (VAR_15 > 0) {

                if (bytestream2_tell(&g2) + 2 > VAR_24)

                    break;

                VAR_16 = bytestream2_get_le16(&g2);

                if (VAR_16 < 0) {

                    VAR_16 = -VAR_16;

                    VAR_17 += VAR_16 * s->frame->linesize[0];

                } else {

                    VAR_15--;

                    VAR_5 = VAR_17;

                    CHECK_PIXEL_PTR(0);

                    VAR_20 = s->VAR_0->width;

                    for (VAR_11 = 0; VAR_11 < VAR_16; VAR_11++) {

                        

                        if (bytestream2_tell(&g2) + 2 > VAR_24)

                            break;

                        VAR_19 = bytestream2_get_byte(&g2);

                        VAR_5 += (VAR_19*2); 

                        VAR_20 -= VAR_19;

                        VAR_18 = sign_extend(bytestream2_get_byte(&g2), 8);

                        if (VAR_18 < 0) {

                            VAR_18 = -VAR_18;

                            VAR_22    = bytestream2_get_le16(&g2);

                            CHECK_PIXEL_PTR(2 * VAR_18);

                            for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++, VAR_20 -= 2) {

                                *((signed short*)(&VAR_21[VAR_5])) = VAR_22;

                                VAR_5 += 2;

                            }

                        } else {

                            if (bytestream2_tell(&g2) + 2*VAR_18 > VAR_24)

                                break;

                            CHECK_PIXEL_PTR(2 * VAR_18);

                            for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++, VAR_20--) {

                                *((signed short*)(&VAR_21[VAR_5])) = bytestream2_get_le16(&g2);

                                VAR_5 += 2;

                            }

                        }

                    }



                    VAR_17 += s->frame->linesize[0];

                }

            }

            break;



        case FLI_LC:

            av_log(VAR_0, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\n");

            bytestream2_skip(&g2, VAR_9 - 6);

            break;



        case FLI_BLACK:

            

            memset(VAR_21, 0x0000,

                   s->frame->linesize[0] * s->VAR_0->height);

            break;



        case FLI_BRUN:

            VAR_17 = 0;

            for (VAR_14 = 0; VAR_14 < s->VAR_0->height; VAR_14++) {

                VAR_5 = VAR_17;

                



                bytestream2_skip(&g2, 1);

                VAR_20 = (s->VAR_0->width * 2);



                while (VAR_20 > 0) {

                    if (bytestream2_tell(&g2) + 1 > VAR_24)

                        break;

                    VAR_18 = sign_extend(bytestream2_get_byte(&g2), 8);

                    if (VAR_18 > 0) {

                        VAR_6 = bytestream2_get_byte(&g2);

                        CHECK_PIXEL_PTR(VAR_18);

                        for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) {

                            VAR_21[VAR_5++] = VAR_6;

                            VAR_20--;

                            if (VAR_20 < 0)

                                av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d) (linea%d)\n",

                                       VAR_20, VAR_14);

                        }

                    } else {  

                        VAR_18 = -VAR_18;

                        if (bytestream2_tell(&g2) + VAR_18 > VAR_24)

                            break;

                        CHECK_PIXEL_PTR(VAR_18);

                        for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) {

                            VAR_6 = bytestream2_get_byte(&g2);

                            VAR_21[VAR_5++] = VAR_6;

                            VAR_20--;

                            if (VAR_20 < 0)

                                av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d) at line %d\n",

                                       VAR_20, VAR_14);

                        }

                    }

                }



                









#if HAVE_BIGENDIAN

                VAR_5 = VAR_17;

                VAR_20 = s->VAR_0->width;

                while (VAR_20 > 0) {

                    *((signed short*)(&VAR_21[VAR_5])) = AV_RL16(&VAR_3[VAR_5]);

                    VAR_5 += 2;

                }

#endif

                VAR_17 += s->frame->linesize[0];

            }

            break;



        case FLI_DTA_BRUN:

            VAR_17 = 0;

            for (VAR_14 = 0; VAR_14 < s->VAR_0->height; VAR_14++) {

                VAR_5 = VAR_17;

                



                bytestream2_skip(&g2, 1);

                VAR_20 = s->VAR_0->width; 



                while (VAR_20 > 0) {

                    if (bytestream2_tell(&g2) + 1 > VAR_24)

                        break;

                    VAR_18 = sign_extend(bytestream2_get_byte(&g2), 8);

                    if (VAR_18 > 0) {

                        VAR_22    = bytestream2_get_le16(&g2);

                        CHECK_PIXEL_PTR(2 * VAR_18);

                        for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) {

                            *((signed short*)(&VAR_21[VAR_5])) = VAR_22;

                            VAR_5 += 2;

                            VAR_20--;

                            if (VAR_20 < 0)

                                av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d)\n",

                                       VAR_20);

                        }

                    } else {  

                        VAR_18 = -VAR_18;

                        if (bytestream2_tell(&g2) + 2 * VAR_18 > VAR_24)

                            break;

                        CHECK_PIXEL_PTR(2 * VAR_18);

                        for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) {

                            *((signed short*)(&VAR_21[VAR_5])) = bytestream2_get_le16(&g2);

                            VAR_5  += 2;

                            VAR_20--;

                            if (VAR_20 < 0)

                                av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d)\n",

                                       VAR_20);

                        }

                    }

                }



                VAR_17 += s->frame->linesize[0];

            }

            break;



        case FLI_COPY:

        case FLI_DTA_COPY:

            

            if (VAR_9 - 6 > (unsigned int)(FFALIGN(s->VAR_0->width, 2) * s->VAR_0->height)*2) {

                av_log(VAR_0, AV_LOG_ERROR, "In chunk FLI_COPY : source VAR_1 (%d bytes) " \

                       "bigger than image, skipping chunk\n", VAR_9 - 6);

                bytestream2_skip(&g2, VAR_9 - 6);

            } else {



                for (VAR_17 = 0; VAR_17 < s->frame->linesize[0] * s->VAR_0->height;

                     VAR_17 += s->frame->linesize[0]) {



                    VAR_20 = s->VAR_0->width;

                    VAR_5 = 0;

                    while (VAR_20 > 0) {

                      *((signed short*)(&VAR_21[VAR_17 + VAR_5])) = bytestream2_get_le16(&g2);

                      VAR_5 += 2;

                      VAR_20--;

                    }

                    if (s->VAR_0->width & 1)

                        bytestream2_skip(&g2, 2);

                }

            }

            break;



        case FLI_MINI:

            

            bytestream2_skip(&g2, VAR_9 - 6);

            break;



        default:

            av_log(VAR_0, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", VAR_10);

            break;

        }



        if (VAR_24 - bytestream2_tell(&g2) >= 0) {

            bytestream2_skip(&g2, VAR_24 - bytestream2_tell(&g2));

        } else {

            av_log(VAR_0, AV_LOG_ERROR, "Chunk overread\n");

            break;

        }



        VAR_7 -= VAR_9;

        VAR_8--;

    }



    



    if ((bytestream2_get_bytes_left(&g2) != 0) && (bytestream2_get_bytes_left(&g2) != 1))

        av_log(VAR_0, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \

               "and final chunk ptr = %d\n", VAR_4, bytestream2_tell(&g2));



    if ((VAR_13 = av_frame_ref(VAR_1, s->frame)) < 0)

        return VAR_13;



    *VAR_2 = 1;



    return VAR_4;

}
static int FUNC_0(AVCodecContext *VAR_0,
void *VAR_1, int *VAR_2,
const uint8_t *VAR_3, int VAR_4)
{ FlicDecodeContext *s = VAR_0->priv_data; GetByteContext g2; int VAR_5; unsigned char VAR_6; unsigned int VAR_7; int VAR_8; unsigned int VAR_9; int VAR_10; int VAR_11, VAR_12, VAR_13; int VAR_14; int VAR_15; signed short VAR_16; int VAR_17; int VAR_18; int VAR_19; int VAR_20; unsigned char *VAR_21; int VAR_22; unsigned int VAR_23; bytestream2_init(&g2, VAR_3, VAR_4); if ((VAR_13 = ff_reget_buffer(VAR_0, s->frame)) < 0)
return VAR_13; VAR_21 = s->frame->VAR_1[0]; VAR_23 = s->VAR_0->height * s->frame->linesize[0]; VAR_7 = bytestream2_get_le32(&g2); bytestream2_skip(&g2, 2); VAR_8 = bytestream2_get_le16(&g2); bytestream2_skip(&g2, 8); if (VAR_7 > VAR_4)
VAR_7 = VAR_4; VAR_7 -= 16; while ((VAR_7 > 0) && (VAR_8 > 0) &&
bytestream2_get_bytes_left(&g2) >= 4) { int VAR_24; VAR_9 = bytestream2_get_le32(&g2); if (VAR_9 > VAR_7) { av_log(VAR_0, AV_LOG_WARNING,
"Invalid VAR_9 = %u > VAR_7 = %u\n", VAR_9, VAR_7); VAR_9 = VAR_7; } VAR_24 = bytestream2_tell(&g2) - 4 + VAR_9; VAR_10 = bytestream2_get_le16(&g2); switch (VAR_10) { case FLI_256_COLOR:
case FLI_COLOR:
ff_dlog(VAR_0,
"Unexpected Palette chunk %d in non-palettized FLC\n",
VAR_10); bytestream2_skip(&g2, VAR_9 - 6); break; case FLI_DELTA:
case FLI_DTA_LC:
VAR_17 = 0; VAR_15 = bytestream2_get_le16(&g2); while (VAR_15 > 0) { if (bytestream2_tell(&g2) + 2 > VAR_24)
break; VAR_16 = bytestream2_get_le16(&g2); if (VAR_16 < 0) { VAR_16 = -VAR_16; VAR_17 += VAR_16 * s->frame->linesize[0]; } else { VAR_15--; VAR_5 = VAR_17; CHECK_PIXEL_PTR(0); VAR_20 = s->VAR_0->width; for (VAR_11 = 0; VAR_11 < VAR_16; VAR_11++) { if (bytestream2_tell(&g2) + 2 > VAR_24)
break; VAR_19 = bytestream2_get_byte(&g2); VAR_5 += (VAR_19*2); VAR_20 -= VAR_19; VAR_18 = sign_extend(bytestream2_get_byte(&g2), 8); if (VAR_18 < 0) { VAR_18 = -VAR_18; VAR_22    = bytestream2_get_le16(&g2); CHECK_PIXEL_PTR(2 * VAR_18); for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++, VAR_20 -= 2) { *((signed short*)(&VAR_21[VAR_5])) = VAR_22; VAR_5 += 2; } } else { if (bytestream2_tell(&g2) + 2*VAR_18 > VAR_24)
break; CHECK_PIXEL_PTR(2 * VAR_18); for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++, VAR_20--) { *((signed short*)(&VAR_21[VAR_5])) = bytestream2_get_le16(&g2); VAR_5 += 2; } } } VAR_17 += s->frame->linesize[0]; } } break; case FLI_LC:
av_log(VAR_0, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\n"); bytestream2_skip(&g2, VAR_9 - 6); break; case FLI_BLACK:
memset(VAR_21, 0x0000,
s->frame->linesize[0] * s->VAR_0->height); break; case FLI_BRUN:
VAR_17 = 0; for (VAR_14 = 0; VAR_14 < s->VAR_0->height; VAR_14++) { VAR_5 = VAR_17; bytestream2_skip(&g2, 1); VAR_20 = (s->VAR_0->width * 2); while (VAR_20 > 0) { if (bytestream2_tell(&g2) + 1 > VAR_24)
break; VAR_18 = sign_extend(bytestream2_get_byte(&g2), 8); if (VAR_18 > 0) { VAR_6 = bytestream2_get_byte(&g2); CHECK_PIXEL_PTR(VAR_18); for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) { VAR_21[VAR_5++] = VAR_6; VAR_20--; if (VAR_20 < 0)
av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d) (linea%d)\n",
VAR_20, VAR_14); } } else { VAR_18 = -VAR_18; if (bytestream2_tell(&g2) + VAR_18 > VAR_24)
break; CHECK_PIXEL_PTR(VAR_18); for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) { VAR_6 = bytestream2_get_byte(&g2); VAR_21[VAR_5++] = VAR_6; VAR_20--; if (VAR_20 < 0)
av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d) at line %d\n",
VAR_20, VAR_14); } } } #if HAVE_BIGENDIAN
VAR_5 = VAR_17; VAR_20 = s->VAR_0->width; while (VAR_20 > 0) { *((signed short*)(&VAR_21[VAR_5])) = AV_RL16(&VAR_3[VAR_5]); VAR_5 += 2; } #endif
VAR_17 += s->frame->linesize[0]; } break; case FLI_DTA_BRUN:
VAR_17 = 0; for (VAR_14 = 0; VAR_14 < s->VAR_0->height; VAR_14++) { VAR_5 = VAR_17; bytestream2_skip(&g2, 1); VAR_20 = s->VAR_0->width; while (VAR_20 > 0) { if (bytestream2_tell(&g2) + 1 > VAR_24)
break; VAR_18 = sign_extend(bytestream2_get_byte(&g2), 8); if (VAR_18 > 0) { VAR_22    = bytestream2_get_le16(&g2); CHECK_PIXEL_PTR(2 * VAR_18); for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) { *((signed short*)(&VAR_21[VAR_5])) = VAR_22; VAR_5 += 2; VAR_20--; if (VAR_20 < 0)
av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d)\n",
VAR_20); } } else { VAR_18 = -VAR_18; if (bytestream2_tell(&g2) + 2 * VAR_18 > VAR_24)
break; CHECK_PIXEL_PTR(2 * VAR_18); for (VAR_12 = 0; VAR_12 < VAR_18; VAR_12++) { *((signed short*)(&VAR_21[VAR_5])) = bytestream2_get_le16(&g2); VAR_5  += 2; VAR_20--; if (VAR_20 < 0)
av_log(VAR_0, AV_LOG_ERROR, "VAR_20 < 0 (%d)\n",
VAR_20); } } } VAR_17 += s->frame->linesize[0]; } break; case FLI_COPY:
case FLI_DTA_COPY:
if (VAR_9 - 6 > (unsigned int)(FFALIGN(s->VAR_0->width, 2) * s->VAR_0->height)*2) { av_log(VAR_0, AV_LOG_ERROR, "In chunk FLI_COPY : source VAR_1 (%d bytes) " \
"bigger than image, skipping chunk\n", VAR_9 - 6); bytestream2_skip(&g2, VAR_9 - 6); } else { for (VAR_17 = 0; VAR_17 < s->frame->linesize[0] * s->VAR_0->height; VAR_17 += s->frame->linesize[0]) { VAR_20 = s->VAR_0->width; VAR_5 = 0; while (VAR_20 > 0) { *((signed short*)(&VAR_21[VAR_17 + VAR_5])) = bytestream2_get_le16(&g2); VAR_5 += 2; VAR_20--; } if (s->VAR_0->width & 1)
bytestream2_skip(&g2, 2); } } break; case FLI_MINI:
bytestream2_skip(&g2, VAR_9 - 6); break; default:
av_log(VAR_0, AV_LOG_ERROR, "Unrecognized chunk type: %d\n", VAR_10); break; } if (VAR_24 - bytestream2_tell(&g2) >= 0) { bytestream2_skip(&g2, VAR_24 - bytestream2_tell(&g2)); } else { av_log(VAR_0, AV_LOG_ERROR, "Chunk overread\n"); break; } VAR_7 -= VAR_9; VAR_8--; } if ((bytestream2_get_bytes_left(&g2) != 0) && (bytestream2_get_bytes_left(&g2) != 1))
av_log(VAR_0, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \
"and final chunk ptr = %d\n", VAR_4, bytestream2_tell(&g2)); if ((VAR_13 = av_frame_ref(VAR_1, s->frame)) < 0)
return VAR_13; *VAR_2 = 1; return VAR_4; }