hiti: Add support for planar YMC data formats.
(Isn't generated by Gutenprint yet. If used, it will bypass the RGB LUT mapping, but that could mean a huge performance boost..) And some more documentation updates..master
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@ -156,6 +156,8 @@ struct hiti_cmd {
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040E --> 5 args: YY MM CC 00 00 (YMC is +- 31d)
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<-- 1 arg: 00 (success, presumably)
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Highlight Correction. Unclear if it's used by printer or by "driver"
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*/
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/* CMD_ERDC_RCC */
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@ -178,7 +180,7 @@ struct hiti_erdc_rs { /* All are BIG endian */
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uint16_t dpi_rows; /* fixed at 300 */
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uint16_t cols; /* 1844 for 6" media */
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uint16_t rows; /* 1240 for 6x4" media */
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uint8_t unk2[18]; // ff ff 4b 4b 4b 4b af 3c 4f 7b 19 08 5c 0a b4 64 af af
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uint8_t unk2[18]; // ff ff 4b 4b 4b 4b af 3c 4f 7b 19 08 5c 0a b4 64 af af
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} __attribute__((packed));
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/* CMD_JC_* */
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@ -237,7 +239,7 @@ struct hiti_jc_qjc {
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struct hiti_gpjobhdr {
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uint32_t cookie; /* "GPHT" */
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uint32_t hdr_len; /* Including the whole thing */
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uint32_t model; /* in BCD..? */
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uint32_t model; /* Model family, in decimal */
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uint32_t cols;
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uint32_t rows;
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uint32_t col_dpi;
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@ -246,11 +248,12 @@ struct hiti_gpjobhdr {
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uint32_t quality; /* 0 for std, 1 for fine */
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uint32_t code; /* PRINT_TYPE_* */
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uint32_t overcoat; /* 1 for matte, 0 for glossy */
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uint32_t payload_type; // 0 for bgr packed. what about rgb, planar?
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uint32_t payload_flag; /* See PAYLOAD_FLAG_* */
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uint32_t payload_len;
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} __attribute__((packed));
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#define PAYLOAD_TYPE_FLAG_NOCORRECT 0x02
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#define PAYLOAD_FLAG_YMCPLANAR 0x01
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#define PAYLOAD_FLAG_NOCORRECT 0x02
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#define HDR_COOKIE 0x54485047
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@ -1094,7 +1097,11 @@ static uint8_t *hiti_get_correction_data(struct hiti_ctx *ctx, uint8_t mode)
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return buf;
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}
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/* HiTi's funky interpolation table processing */
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/* HiTi's funky interpolation table processing
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Note this is a standard "CUBE" LUT (33x33x33) so there are options
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for making this faster!
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*/
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struct rgb {
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uint8_t r;
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uint8_t g;
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@ -1152,6 +1159,7 @@ static void hiti_interp33_256(uint8_t *dst, uint8_t *src, const uint8_t *pTable)
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r_weight = 8;
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else
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r_weight = src[0] & 0x7;
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if (src[1] == 255)
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g_weight = 8;
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else
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@ -1325,6 +1333,7 @@ static int hiti_read_parse(void *vctx, const void **vjob, int data_fd, int copie
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if (job->copies < (int)job->hdr.copies)
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job->copies = job->hdr.copies;
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/* Sanity check printer type vs job type */
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switch(ctx->type)
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{
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case P_HITI_52X:
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@ -1345,7 +1354,6 @@ static int hiti_read_parse(void *vctx, const void **vjob, int data_fd, int copie
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default:
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break;
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}
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// XXX check hdr.format
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/* Allocate a buffer */
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job->datalen = 0;
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@ -1445,17 +1453,18 @@ static int hiti_read_parse(void *vctx, const void **vjob, int data_fd, int copie
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return CUPS_BACKEND_CANCEL;
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}
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/* Load up correction data, if requested */
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uint8_t *corrdata = NULL;
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if (!(job->hdr.payload_type & PAYLOAD_TYPE_FLAG_NOCORRECT))
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corrdata = hiti_get_correction_data(ctx, job->hdr.quality);
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if (corrdata) {
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INFO("Running input data through correction tables\n");
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hiti_interp_init();
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}
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/* Convert input packed BGR data into YMC planar, if needed */
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if (!(job->hdr.payload_flag & PAYLOAD_FLAG_YMCPLANAR)) {
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/* Load up correction data, if requested */
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uint8_t *corrdata = NULL;
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if (!(job->hdr.payload_flag & PAYLOAD_FLAG_NOCORRECT))
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corrdata = hiti_get_correction_data(ctx, job->hdr.quality);
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if (corrdata) {
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INFO("Running input data through correction tables\n");
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hiti_interp_init();
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}
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/* Convert input packed BGR data into YMC planar */
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{
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int stride = ((job->hdr.cols * 4) + 3) / 4;
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uint8_t *ymcbuf = malloc(job->hdr.rows * stride * 3);
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uint32_t i, j;
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@ -1522,6 +1531,8 @@ static int hiti_read_parse(void *vctx, const void **vjob, int data_fd, int copie
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free(corrdata);
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}
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// XXX YMC planar may need STRIDE correction!
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*vjob = job;
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return CUPS_BACKEND_OK;
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@ -2169,7 +2180,7 @@ static const char *hiti_prefixes[] = {
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struct dyesub_backend hiti_backend = {
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.name = "HiTi Photo Printers",
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.version = "0.19",
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.version = "0.20",
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.uri_prefixes = hiti_prefixes,
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.cmdline_usage = hiti_cmdline,
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.cmdline_arg = hiti_cmdline_arg,
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@ -2194,19 +2205,25 @@ struct dyesub_backend hiti_backend = {
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- Figure out 5x6, 6x5, and 6x6 prints (need 6x8 or 6x9 media!)
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- Confirm 6x2" print dimensions (windows?)
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- Confirm 5" media works properly
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- Confirm 5" media and sizes work properly
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- Figure out stats/counters for non-4x6 sizes
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- Job control (QJC, RSJ) -- and canceling?
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- Set highlight adjustment & H/V alignment from cmdline
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- Figure out if driver needs to consume highlight adjustment (ie feed into gamma correction?)
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* Figure out how to set H/V alignment!
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- Figure out if driver needs to consume highlight adjustment
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* Feed into gamma correction?
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* Feed [un]modified into some printer cmd?
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- Figure out Windows spool format (probably never)
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- Spool parsing
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- GP Spool parsing improvements
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* Add additional 'reserved' fields for future use?
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* Support more hdr.format variants?
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* Have GP report proper modelid
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- Job combining (4x6 -> 8x6, etc)
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* Fix row stride for YMC planar format (in case we get non-*4 column counts)
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- Job combining!
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* 4x6 -> 8x6 (0->9) 1844 x 1240 -> 2434 (delta -46)
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* 3.5x5 -> 5x7 (8->11) 1548 x 1072 -> 2140 (delta -4)
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- Further performance optimizations in color conversion code
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* Rework to take advantage of auto-vectorization?
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* Pre-compute then cache entire map on disk?
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* Use external "Cube LUT" implementation?
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- Commands 8008, 8011, EST_SEHT, ESD_SHTPC, RDC_ROC, PCC_STP, CMD_EDM_*
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- Test with P525, P720, P750
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- Further investigation into P110S & P510 series
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