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authorMatthias Vogelgesang <matthias.vogelgesang@kit.edu>2015-06-22 14:56:29 +0200
committerMatthias Vogelgesang <matthias.vogelgesang@kit.edu>2015-06-22 14:56:29 +0200
commit420130400ccd0a3ca0a614e968fe90a004cb86e3 (patch)
tree0d19bdb8f0a61f8937ac5a17ac359ce8f2864cef
parentc5a101d6f998b120b1705188c84e7258239ed510 (diff)
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Implement v6 data format
-rw-r--r--src/ufodecode.c134
-rw-r--r--test/ipedec.c42
2 files changed, 131 insertions, 45 deletions
diff --git a/src/ufodecode.c b/src/ufodecode.c
index 9519489..f86abfc 100644
--- a/src/ufodecode.c
+++ b/src/ufodecode.c
@@ -15,6 +15,8 @@
#define IPECAMERA_PIXELS_PER_CHANNEL 128 /**< Number of pixels per channel */
#define IPECAMERA_WIDTH (IPECAMERA_NUM_CHANNELS * IPECAMERA_PIXELS_PER_CHANNEL) /**< Total pixel width of row */
+#define IPECAMERA_WIDTH_20MP 5120
+
#define IPECAMERA_MODE_16_CHAN_IO 0
#define IPECAMERA_MODE_4_CHAN_IO 2
@@ -49,11 +51,12 @@ typedef struct {
} header_v5_t;
typedef struct {
+ uint32_t magic_2;
uint32_t magic_3;
uint32_t magic_4;
unsigned cmosis_start_address : 16;
- unsigned adc_resolution : 4;
unsigned output_mode : 4;
+ unsigned adc_resolution : 4;
unsigned five_1 : 4;
unsigned n_rows : 16;
unsigned n_skipped_rows : 12;
@@ -66,13 +69,12 @@ typedef struct {
} header_v6_t;
typedef struct {
- unsigned int pixel_number : 8;
- unsigned int row_number : 12;
- unsigned int pixel_size : 4;
- unsigned int magic : 8;
+ unsigned pixel_number : 8;
+ unsigned row_number : 12;
+ unsigned pixel_size : 4;
+ unsigned magic : 8;
} payload_header_v5;
-
/**
* Check if value matches expected input.
*/
@@ -166,8 +168,6 @@ ufo_decode_frame_channels_v5 (UfoDecoder *decoder, uint16_t *pixel_buffer, uint3
payload_header_v5 *header;
size_t base = 0, index = 0;
- header = (payload_header_v5 *) &raw[base];
-
if (output_mode == IPECAMERA_MODE_4_CHAN_IO) {
size_t off = 0;
@@ -229,6 +229,47 @@ ufo_decode_frame_channels_v5 (UfoDecoder *decoder, uint16_t *pixel_buffer, uint3
return 0;
}
+static int
+ufo_decode_frame_channels_v6 (UfoDecoder *decoder, uint16_t *pixel_buffer, uint32_t *raw, size_t num_rows, size_t *offset, uint8_t output_mode)
+{
+ size_t base = 0;
+ size_t index = 0;
+ const size_t space = 640;
+
+ while (raw[base] != 0xAAAAAAA) {
+ const size_t row_number = raw[base] & 0xfff;
+ const size_t pixel_number = (raw[base + 1] >> 16) & 0xfff;
+
+ base += 2;
+
+ index = row_number * IPECAMERA_WIDTH_20MP + pixel_number;
+
+ pixel_buffer[index + 0 * space] = (raw[base] >> 20);
+ pixel_buffer[index + 1 * space] = (raw[base] >> 8) & 0xfff;
+ pixel_buffer[index + 2 * space] = ((raw[base] << 4) & 0xff) | ((raw[base + 1] >> 28) & 0xff);
+ pixel_buffer[index + 3 * space] = (raw[base + 1] >> 16) & 0xfff;
+ pixel_buffer[index + 4 * space] = (raw[base + 1] >> 4) & 0xfff;
+ pixel_buffer[index + 5 * space] = ((raw[base + 1] << 8) & 0xfff) | (raw[base + 2] >> 24);
+ pixel_buffer[index + 6 * space] = (raw[base + 2] >> 12) & 0xfff;
+ pixel_buffer[index + 7 * space] = raw[base + 2] & 0xfff;
+
+ index += IPECAMERA_WIDTH_20MP;
+ pixel_buffer[index + 0 * space] = (raw[base + 3] >> 20);
+ pixel_buffer[index + 1 * space] = (raw[base + 3] >> 8) & 0xfff;
+ pixel_buffer[index + 2 * space] = ((raw[base + 3] << 4) & 0xfff) | (raw[base + 4] >> 28);
+ pixel_buffer[index + 3 * space] = (raw[base + 4] >> 16) & 0xfff;
+ pixel_buffer[index + 4 * space] = (raw[base + 4] >> 4) & 0xfff;
+ pixel_buffer[index + 5 * space] = ((raw[base + 4] << 8) & 0xfff) | (raw[base + 5] >> 24);
+ pixel_buffer[index + 6 * space] = (raw[base + 5] >> 12) & 0xfff;
+ pixel_buffer[index + 7 * space] = (raw[base + 5] & 0xfff);
+
+ base += 6;
+ }
+
+ *offset = base;
+ return 0;
+}
+
/**
* \brief Deinterlace by interpolating between two rows
*
@@ -303,7 +344,6 @@ ufo_decoder_decode_frame (UfoDecoder *decoder, uint32_t *raw, size_t num_bytes,
const size_t num_words = num_bytes / 4;
size_t rows_per_frame = decoder->height;
const pre_header_t *pre_header;
- const header_v5_t *v5_header;
if ((pixels == NULL) || (num_words < 16))
return 0;
@@ -313,23 +353,54 @@ ufo_decoder_decode_frame (UfoDecoder *decoder, uint32_t *raw, size_t num_bytes,
CHECK_VALUE (pre_header->five, 0x5);
CHECK_VALUE (pre_header->ones, 0x111111);
- const int version = pre_header->version + 5; /* it starts with 0 */
+ const int header_version = pre_header->version + 5; /* it starts with 0 */
+ int dataformat_version = 5; /* will overwrite for header_version >= 6 */
- v5_header = (header_v5_t *) &raw[pos + 1];
+ switch (header_version) {
+ case 5:
+ {
+ const header_v5_t *header = (header_v5_t *) &raw[pos + 1];
- CHECK_VALUE (v5_header->magic_2, 0x52222222);
- CHECK_VALUE (v5_header->magic_3, 0x53333333);
- CHECK_VALUE (v5_header->magic_4, 0x54444444);
- CHECK_VALUE (v5_header->magic_5, 0x55555555);
+ CHECK_VALUE (header->magic_2, 0x52222222);
+ CHECK_VALUE (header->magic_3, 0x53333333);
+ CHECK_VALUE (header->magic_4, 0x54444444);
+ CHECK_VALUE (header->magic_5, 0x55555555);
- CHECK_VALUE (v5_header->five_1, 0x5);
- CHECK_VALUE (v5_header->five_2, 0x5);
+ CHECK_VALUE (header->five_1, 0x5);
+ CHECK_VALUE (header->five_2, 0x5);
+
+ meta->time_stamp = header->timestamp;
+ meta->cmosis_start_address = header->cmosis_start_address;
+ meta->frame_number = header->frame_number;
+ meta->n_rows = header->n_rows;
+ meta->n_skipped_rows = header->n_skipped_rows;
+ break;
+ }
+
+ case 6:
+ {
+ const header_v6_t *header = (header_v6_t *) &raw[pos + 1];
+ CHECK_VALUE (header->magic_2, 0x52222222);
+ CHECK_VALUE (header->magic_3, 0x53333333);
+ CHECK_VALUE (header->magic_4, 0x54444444);
+
+ dataformat_version = header->dataformat_version;
+
+ meta->output_mode = header->output_mode;
+ meta->adc_resolution = header->adc_resolution;
+ meta->time_stamp = header->timestamp;
+ meta->cmosis_start_address = header->cmosis_start_address;
+ meta->frame_number = header->frame_number;
+ meta->n_rows = header->n_rows;
+ meta->n_skipped_rows = header->n_skipped_rows;
+
+ break;
+ }
+
+ default:
+ fprintf (stderr, "Unsupported header version %i\n", header_version);
+ }
- meta->time_stamp = v5_header->timestamp;
- meta->cmosis_start_address = v5_header->cmosis_start_address;
- meta->frame_number = v5_header->frame_number;
- meta->n_rows = v5_header->n_rows;
- meta->n_skipped_rows = v5_header->n_skipped_rows;
#ifdef DEBUG
if ((meta->output_mode != IPECAMERA_MODE_4_CHAN_IO) && (meta->output_mode != IPECAMERA_MODE_16_CHAN_IO)) {
@@ -354,11 +425,17 @@ ufo_decoder_decode_frame (UfoDecoder *decoder, uint32_t *raw, size_t num_bytes,
pos += 8;
- if (version == 5) {
- err = ufo_decode_frame_channels_v5 (decoder, pixels, raw + pos, rows_per_frame, &advance, meta->output_mode);
- }
- else {
- fprintf (stderr, "Data format version %i unsupported\n", version);
+ switch (dataformat_version) {
+ case 5:
+ err = ufo_decode_frame_channels_v5 (decoder, pixels, raw + pos, rows_per_frame, &advance, meta->output_mode);
+ break;
+
+ case 6:
+ err = ufo_decode_frame_channels_v6 (decoder, pixels, raw + pos, rows_per_frame, &advance, meta->output_mode);
+ break;
+
+ default:
+ fprintf (stderr, "Data format version %i unsupported\n", dataformat_version);
}
if (err)
@@ -427,7 +504,8 @@ ufo_decoder_get_next_frame (UfoDecoder *decoder, uint16_t **pixels, UfoDecoderMe
return ENOMEM;
}
- while ((pos < num_words) && (raw[pos] != 0x51111111))
+ while ((pos < num_words) &&
+ ((raw[pos] & 0xFFFFFFF0) != 0x51111110)) /* we can only match the first part */
pos++;
advance = ufo_decoder_decode_frame (decoder, raw + pos, decoder->num_bytes - pos, *pixels, meta);
diff --git a/test/ipedec.c b/test/ipedec.c
index 135c7c2..7baa522 100644
--- a/test/ipedec.c
+++ b/test/ipedec.c
@@ -8,13 +8,14 @@
#include <ufodecode.h>
#include "timer.h"
-static const int MAX_ROWS = 2048;
+static const int MAX_ROWS = 3840;
typedef struct {
int clear_frame;
int dry_run;
int verbose;
- int rows;
+ int num_rows;
+ int num_columns;
int print_frame_rate;
int print_num_rows;
int cont;
@@ -56,7 +57,8 @@ usage(void)
Options:\n\
-h, --help Show this help message and exit\n\
-v, --verbose Print additional information on STDOUT\n\
- -r, --num-rows=N N rows that are contained in the file\n\
+ -r, --num-rows=N N rows contained in the file\n\
+ --num-columns=N N columns contained in the file\n\
-c, --clear-frame Clear the frame for each iteration\n\
-d, --dry-run Do not save the frames\n\
-f, --print-frame-rate Print frame rate on STDOUT\n\
@@ -113,14 +115,14 @@ write_raw_file (UfoDecoderMeta *meta,
size_t n_rows = meta->n_rows;
if (opts->convert_bayer) {
- uint8_t *rgb_pixels = malloc (2048 * n_rows * 3);
+ uint8_t *rgb_pixels = malloc (opts->num_columns * n_rows * 3);
- ufo_convert_bayer_to_rgb (pixels, rgb_pixels, 2048, n_rows);
- fwrite (rgb_pixels, sizeof(uint8_t), 2048 * n_rows * 3, fp);
+ ufo_convert_bayer_to_rgb (pixels, rgb_pixels, opts->num_columns, n_rows);
+ fwrite (rgb_pixels, sizeof(uint8_t), opts->num_columns * n_rows * 3, fp);
free (rgb_pixels);
}
else {
- fwrite(pixels, sizeof(uint16_t), 2048 * n_rows, fp);
+ fwrite(pixels, sizeof(uint16_t), opts->num_columns * n_rows, fp);
}
}
@@ -140,14 +142,14 @@ process_file(const char *filename, Options *opts)
char output_name[256];
float mtime;
- error = read_raw_file(filename, &buffer, &num_bytes);
+ error = read_raw_file (filename, &buffer, &num_bytes);
if (error) {
fprintf(stderr, "Error reading %s: %s\n", filename, strerror(error));
return error;
}
- decoder = ufo_decoder_new(opts->rows, 2048, (uint32_t *) buffer, num_bytes);
+ decoder = ufo_decoder_new (opts->num_rows, opts->num_columns, (uint32_t *) buffer, num_bytes);
if (decoder == NULL) {
fprintf(stderr, "Failed to initialize decoder\n");
@@ -165,7 +167,7 @@ process_file(const char *filename, Options *opts)
}
timer = timer_new ();
- pixels = (uint16_t *) malloc (2048 * MAX_ROWS * sizeof(uint16_t));
+ pixels = (uint16_t *) malloc (opts->num_columns * opts->num_rows * sizeof(uint16_t));
n_frames = 0;
old_time_stamp = 0;
@@ -174,7 +176,7 @@ process_file(const char *filename, Options *opts)
error = ufo_decoder_get_next_frame (decoder, &pixels, &meta);
if (meta.n_rows == 0)
- meta.n_rows = opts->rows;
+ meta.n_rows = opts->num_rows;
timer_stop (timer);
@@ -194,13 +196,13 @@ process_file(const char *filename, Options *opts)
}
if (opts->print_num_rows)
- printf("%d", meta.n_rows);
+ printf ("%d", meta.n_rows);
if (opts->print_frame_rate || opts->print_num_rows)
- printf("\n");
+ printf ("\n");
if (opts->clear_frame)
- memset(pixels, 0, 2048 * meta.n_rows * sizeof(uint16_t));
+ memset (pixels, 0, opts->num_columns * meta.n_rows * sizeof(uint16_t));
if (!opts->dry_run)
write_raw_file (&meta, opts, pixels, fp);
@@ -243,15 +245,17 @@ int main(int argc, char const* argv[])
DRY_RUN = 'd',
FRAME_RATE = 'f',
HELP = 'h',
- SET_NUM_ROWS = 'r',
+ SET_NUM_ROWS = 'r',
VERBOSE = 'v',
CONTINUE,
NUM_ROWS,
+ SET_NUM_COLUMNS,
CONVERT_BAYER,
};
static struct option long_options[] = {
{ "num-rows", required_argument, 0, SET_NUM_ROWS },
+ { "num-columns", required_argument, 0, SET_NUM_COLUMNS },
{ "clear-frame", no_argument, 0, CLEAR_FRAME },
{ "verbose", no_argument, 0, VERBOSE },
{ "help", no_argument, 0, HELP },
@@ -264,7 +268,8 @@ int main(int argc, char const* argv[])
};
static Options opts = {
- .rows = 1088,
+ .num_rows = 1088,
+ .num_columns = 2048,
.verbose = 0,
.dry_run = 0,
.clear_frame = 0,
@@ -277,7 +282,10 @@ int main(int argc, char const* argv[])
while ((getopt_ret = getopt_long(argc, (char *const *) argv, "r:cvhdf", long_options, &index)) != -1) {
switch (getopt_ret) {
case SET_NUM_ROWS:
- opts.rows = atoi(optarg);
+ opts.num_rows = atoi(optarg);
+ break;
+ case SET_NUM_COLUMNS:
+ opts.num_columns = atoi(optarg);
break;
case CLEAR_FRAME:
opts.clear_frame = 1;