(Re-)move executable sources

1 files changed, 0 insertions, 220 deletions

diff --git a/ipedec.c b/ipedec.c
deleted file mode 100644
index 48a1a7a..0000000
--- a/ipedec.c
+++ /dev/null
@@ -1,220 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <assert.h>
-
-#define IPECAMERA_MAX_LINES 1088
-#define IPECAMERA_MAX_CHANNELS 16
-#define IPECAMERA_PIXELS_PER_CHANNEL 128
-#define IPECAMERA_WIDTH (IPECAMERA_MAX_CHANNELS * IPECAMERA_PIXELS_PER_CHANNEL)
-#define IPECAMERA_HEIGHT 1088
-
-int ipecamera_channel_order[IPECAMERA_MAX_CHANNELS] = { 15, 13, 14, 12, 10, 8, 11, 7, 9, 6, 5, 2, 4, 3, 0, 1 };
-
-#define CHECK_VALUE(value, expected) \
-    if (value != expected) { \
-        fprintf(stderr, "<%s:%i> 0x%x != 0x%x\n", __FILE__, __LINE__, value, expected); \
-        err = 1; \
-    }
-
-#define CHECK_FLAG(flag, check, ...) \
-    if (!(check)) { \
-        fprintf(stderr, "<%s:%i> Unexpected value 0x%x of " flag "\n", __FILE__, __LINE__,  __VA_ARGS__); \
-        err = 1; \
-    }
-
-
-static int ipecamera_get_payload(uint16_t *pixel_buffer, 
-        int line_req, size_t size, 
-        uint32_t *payload,
-        int *advance, int *increase_line)
-{
-    int ppw;
-    int err = 0;
-
-    uint32_t info = payload[0];
-    int channel = info & 0x0F;          // 4 bits
-    int line = (info >> 4) & 0x7FF;     // 11 bits
-    int bpp = (info >> 16) & 0x0F;      // 4 bits
-    int pixels = (info >> 20) & 0xFF;   // 8 bits
-    int header = (info >> 30) & 0x03;   // 2 bits
-
-    int bytes, pix, pix_offset = 0;
-    uint32_t data;
-
-    *increase_line = channel == 15 ? 1 : 0;
-    channel = ipecamera_channel_order[channel];
-
-    CHECK_FLAG("payload header magick", header == 2, header);
-    CHECK_FLAG("pixel size, only 10 bits are supported", bpp == 10, bpp);
-    CHECK_FLAG("row number, should be %i", line == line_req, line, line_req);
-    CHECK_FLAG("channel, limited by %i output channels", channel < IPECAMERA_MAX_CHANNELS, channel, IPECAMERA_MAX_CHANNELS);
-
-    if ((line < 2) && (pixels == (IPECAMERA_PIXELS_PER_CHANNEL - 1))) {
-        pix_offset = 1;
-        pixel_buffer[channel*IPECAMERA_PIXELS_PER_CHANNEL] = 0;
-    } 
-    else 
-        CHECK_FLAG("number of pixels, %i is expected", pixels == IPECAMERA_PIXELS_PER_CHANNEL, pixels, IPECAMERA_PIXELS_PER_CHANNEL);
-
-    bytes = pixels / 3;
-    ppw = pixels - bytes * 3;
-    if (ppw) 
-        ++bytes;
-
-    CHECK_FLAG("payload data bytes, at least %i are expected", bytes < size, (unsigned int) size, bytes);
-
-    if (err) 
-        return err;
-
-    pix = pix_offset;
-    for (int i = 1; i < bytes; i++) {
-        data = payload[i];
-        header = (data >> 30) & 0x03;   
-
-        CHECK_FLAG("payload data magick", header == 3, header);
-        if (err) 
-            return err;
-
-        pixel_buffer[channel*IPECAMERA_PIXELS_PER_CHANNEL + pix++] = (data >> 20) & 0x3FF;
-        pixel_buffer[channel*IPECAMERA_PIXELS_PER_CHANNEL + pix++] = (data >> 10) & 0x3FF;
-        pixel_buffer[channel*IPECAMERA_PIXELS_PER_CHANNEL + pix++] = data & 0x3FF;
-    }
-
-    data = payload[bytes];
-    header = (data >> 30) & 0x03;
-
-    CHECK_FLAG("payload data magick", header == 3, header);
-    CHECK_FLAG("payload footer magick", (data&0x3FF) == 0x55, (data&0x3FF));
-    if ((err) && ((data & 0x3FF) != 0x55)) {
-        err = 0; 
-        int counter = 0;
-        printf(" -> %x\n", data);
-        while ((data & 0x3FF) != 0x55) {
-            bytes++; 
-            data = payload[bytes];
-            counter++;
-        }
-        printf("skipped %i bytes: found %x\n", counter, data);
-    }
-    if (err) 
-        return err;
-
-    ppw = pixels % 3;
-    assert(ppw < 3);
-
-    for (int j = 0; j < ppw; j++, pix++)
-        pixel_buffer[channel*IPECAMERA_PIXELS_PER_CHANNEL + pix] = (data >> (10 * (ppw - j))) & 0x3FF;
-
-    *advance = bytes + 1;
-    return 0;
-}
-
-static int ipecamera_parse_image(int first_line, int num_lines, 
-        size_t size, uint32_t *linebuf, int *frames_decoded) 
-{
-    int err = 0, current_frame = 0;
-    int pos = 0, advance, increase_line;
-
-    if (size < 16) {
-        fprintf(stderr, "The payload is tool small, we should have at least 8 header dwords and 8 footer.");
-        return 1;
-    }
-
-    FILE *fp = fopen("image.dec.raw", "wb");
-    uint16_t *pixel_buffer = (uint16_t *) malloc(num_lines * IPECAMERA_WIDTH * sizeof(uint16_t));
-
-    printf("Decoding");
-    while (size > 0) {
-        printf(".");
-        int line = first_line;
-        CHECK_VALUE(linebuf[pos++], 0x51111111);
-        CHECK_VALUE(linebuf[pos++], 0x52222222);
-        CHECK_VALUE(linebuf[pos++], 0x53333333);
-        CHECK_VALUE(linebuf[pos++], 0x54444444);
-        CHECK_VALUE(linebuf[pos++], 0x55555555);
-        CHECK_VALUE(linebuf[pos++], 0x56666666);
-        CHECK_VALUE(linebuf[pos++], 0x57777777);
-        CHECK_VALUE(linebuf[pos++], 0x58888888);
-        if (err) 
-            return err;
-
-        size -= 16;
-
-        while ((size > 0) && (line < (first_line + num_lines))) {
-            err = ipecamera_get_payload(pixel_buffer + line * IPECAMERA_WIDTH,
-                    line - first_line, size, linebuf + pos, &advance, &increase_line);
-            if (err) 
-                return err;
-
-            pos += advance;
-            size -= advance;
-            line += increase_line;
-        }
-
-        CHECK_FLAG("lines read, we expect to read exactly %i lines", line == (first_line + num_lines), line - first_line, num_lines);
-
-        CHECK_VALUE(linebuf[pos++], 0x0AAAAAAA);
-        CHECK_VALUE(linebuf[pos++], 0x0BBBBBBB);
-        CHECK_VALUE(linebuf[pos++], 0x0CCCCCCC);
-        CHECK_VALUE(linebuf[pos++], 0x0DDDDDDD);
-        CHECK_VALUE(linebuf[pos++], 0x0EEEEEEE);
-        CHECK_VALUE(linebuf[pos++], 0x0FFFFFFF);
-        CHECK_VALUE(linebuf[pos++], 0x00000000);
-        CHECK_VALUE(linebuf[pos++], 0x01111111);
-
-        fwrite(pixel_buffer, IPECAMERA_WIDTH * num_lines, sizeof(uint16_t), fp);
-
-        if (linebuf[pos] == 0)
-            break;
-
-        current_frame++;
-    }
-    fclose(fp);
-    free(pixel_buffer);
-    printf("\n");
-    *frames_decoded = current_frame + 1;
-    return err;
-}
-
-int main(int argc, char const* argv[])
-{
-    if (argc < 3) {
-        fprintf(stderr, "Usage: ipedec <filename> <number of lines per frame>\n");
-        return 1;
-    }
-
-    FILE *fp = fopen(argv[1], "rb"); 
-    if (fp == NULL) {
-        fprintf(stderr, "Couldn't open file %s", argv[1]);
-        return 1;
-    }
-
-    const int lines_per_frame = atoi(argv[2]);
-
-    fseek(fp, 0, SEEK_END);
-    const size_t length = ftell(fp);
-    rewind(fp);
-
-    char *buffer = (char *) malloc(length);
-    if (buffer == NULL) {
-        fclose(fp);
-        return 1;
-    }
-
-    size_t buffer_length = fread(buffer, 1, length, fp);
-    fclose(fp);
-    if (buffer_length != length) {
-        free(buffer);
-        return 1;
-    }
-
-    int num_frames;
-    if (ipecamera_parse_image(0, lines_per_frame, length, (uint32_t *) buffer, &num_frames))
-        fprintf(stderr, "Couldn't parse image\n");
-
-    printf("Decoded %i frames.\n", num_frames);
-    free(buffer);
-    return 0;
-}
-