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Merge branch 'genesys-desegmentation-refactor' into 'master' 

genesys: Simplify desegmentation state (part 1)

See merge request sane-project/backends!160
merge-requests/161/merge
Povilas Kanapickas 2019-09-22 18:29:02 +00:00
rodzic f44c0bb680 88d6cdcc32
commit ce2d9840a7
9 zmienionych plików z 125 dodań i 210 usunięć
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21
backend/genesys.cc
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@ -3562,9 +3562,8 @@ static void genesys_fill_read_buffer(Genesys_Device* dev)
/* Some setups need the reads to be multiples of 256 bytes */ /* Some setups need the reads to be multiples of 256 bytes */
size &= ~0xff; size &= ~0xff;
if (dev->read_bytes_left < size) if (dev->read_bytes_left_after_deseg < size) {
{ size = dev->read_bytes_left_after_deseg;
size = dev->read_bytes_left;
/*round up to a multiple of 256 bytes */ /*round up to a multiple of 256 bytes */
size += (size & 0xff) ? 0x100 : 0x00; size += (size & 0xff) ? 0x100 : 0x00;
size &= ~0xff; size &= ~0xff;
@ -3604,10 +3603,11 @@ static void genesys_fill_read_buffer(Genesys_Device* dev)
dev->cmd_set->bulk_read_data(dev, 0x45, work_buffer_dst, size); dev->cmd_set->bulk_read_data(dev, 0x45, work_buffer_dst, size);
} }
if (size > dev->read_bytes_left) if (size > dev->read_bytes_left_after_deseg) {
size = dev->read_bytes_left; size = dev->read_bytes_left_after_deseg;
}
dev->read_bytes_left -= size; dev->read_bytes_left_after_deseg -= size;
dev->read_buffer.produce(size); dev->read_buffer.produce(size);
} }
@ -3695,9 +3695,9 @@ static void genesys_read_ordered_data(Genesys_Device* dev, SANE_Byte* destinatio
DBG(DBG_info, "%s: %lu lines left by output\n", __func__, DBG(DBG_info, "%s: %lu lines left by output\n", __func__,
((dev->total_bytes_to_read - dev->total_bytes_read) * 8UL) / ((dev->total_bytes_to_read - dev->total_bytes_read) * 8UL) /
(dev->settings.requested_pixels * channels * depth)); (dev->settings.requested_pixels * channels * depth));
DBG(DBG_info, "%s: %lu lines left by input\n", __func__, DBG(DBG_info, "%s: %lu lines left by input\n", __func__,
((dev->read_bytes_left + dev->read_buffer.avail()) * 8UL) / ((dev->read_bytes_left_after_deseg + dev->read_buffer.avail()) * 8UL) /
(src_pixels * channels * depth)); (src_pixels * channels * depth));
if (channels == 1) if (channels == 1)
{ {
@ -6524,7 +6524,8 @@ sane_read_impl(SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len, SANE_Int*
DBG(DBG_proc, "%s: start, %d maximum bytes required\n", __func__, max_len); DBG(DBG_proc, "%s: start, %d maximum bytes required\n", __func__, max_len);
DBG(DBG_io2, "%s: bytes_to_read=%lu, total_bytes_read=%lu\n", __func__, DBG(DBG_io2, "%s: bytes_to_read=%lu, total_bytes_read=%lu\n", __func__,
(u_long) dev->total_bytes_to_read, (u_long) dev->total_bytes_read); (u_long) dev->total_bytes_to_read, (u_long) dev->total_bytes_read);
DBG(DBG_io2, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_io2, "%s: desegmented bytes to read = %lu\n", __func__,
(u_long) dev->read_bytes_left_after_deseg);
if(dev->total_bytes_read>=dev->total_bytes_to_read) if(dev->total_bytes_read>=dev->total_bytes_to_read)
{ {

5
backend/genesys_device.h
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@ -282,8 +282,9 @@ struct Genesys_Device
// local buffer for gray data during dynamix lineart // local buffer for gray data during dynamix lineart
Genesys_Buffer local_buffer; Genesys_Buffer local_buffer;
// bytes to read from scanner // bytes to read from desegmentation step. This is not the same as physical bytes read from
size_t read_bytes_left = 0; // scanners, see `wpl` which corresponds to this information on certain scanners.
size_t read_bytes_left_after_deseg = 0;
// total bytes read sent to frontend // total bytes read sent to frontend
size_t total_bytes_read = 0; size_t total_bytes_read = 0;

66
backend/genesys_gl124.cc
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@ -824,18 +824,13 @@ static void gl124_setup_sensor(Genesys_Device * dev,
*/ */
static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor, static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor,
Genesys_Register_Set* reg, unsigned int exposure_time, Genesys_Register_Set* reg, unsigned int exposure_time,
const ScanSession& session, int used_res, const ScanSession& session, unsigned int start)
unsigned int start, unsigned int pixels,
int channels, int depth, unsigned ccd_size_divisor,
ColorFilter color_filter)
{ {
DBG_HELPER_ARGS(dbg, "exposure_time=%d, used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, " DBG_HELPER_ARGS(dbg, "exposure_time=%d, start=%d\n",
"ccd_size_divisor=%d\n", exposure_time, start);
exposure_time, used_res, start, pixels, channels, depth, ccd_size_divisor);
unsigned int words_per_line, segcnt; unsigned int words_per_line, segcnt;
unsigned int startx, endx, segnb; unsigned int startx, endx, segnb;
unsigned int dpiset, dpihw, factor; unsigned int dpihw, factor;
unsigned int bytes;
GenesysRegister *r; GenesysRegister *r;
uint32_t expmax; uint32_t expmax;
@ -845,23 +840,21 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
// to manage high resolution device while keeping good low resolution scanning speed, we // to manage high resolution device while keeping good low resolution scanning speed, we
// make hardware dpi vary // make hardware dpi vary
dpihw = sensor.get_register_hwdpi(used_res * ccd_pixels_per_system_pixel); dpihw = sensor.get_register_hwdpi(session.output_resolution * ccd_pixels_per_system_pixel);
factor = sensor.get_hwdpi_divisor_for_dpi(used_res * ccd_pixels_per_system_pixel); factor = sensor.get_hwdpi_divisor_for_dpi(session.output_resolution * ccd_pixels_per_system_pixel);
DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor); DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor);
// sensor parameters // sensor parameters
gl124_setup_sensor(dev, sensor, reg, dpihw, ccd_size_divisor); gl124_setup_sensor(dev, sensor, reg, dpihw, session.ccd_size_divisor);
dpiset = used_res * ccd_pixels_per_system_pixel;
/* start and end coordinate in optical dpi coordinates */ /* start and end coordinate in optical dpi coordinates */
/* startx = start / ccd_pixels_per_system_pixel + sensor.dummy_pixel; XXX STEF XXX */ /* startx = start / ccd_pixels_per_system_pixel + sensor.dummy_pixel; XXX STEF XXX */
startx = start / ccd_pixels_per_system_pixel; startx = start / ccd_pixels_per_system_pixel;
endx = startx + pixels / ccd_pixels_per_system_pixel; endx = startx + session.optical_pixels / ccd_pixels_per_system_pixel;
/* pixel coordinate factor correction when used dpihw is not maximal one */ /* pixel coordinate factor correction when used dpihw is not maximal one */
startx/=factor; startx/=factor;
endx/=factor; endx/=factor;
unsigned used_pixels = endx - startx;
gl124_set_fe(dev, sensor, AFE_SET); gl124_set_fe(dev, sensor, AFE_SET);
@ -880,7 +873,7 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
r->value &= ~REG01_SCAN; r->value &= ~REG01_SCAN;
r = sanei_genesys_get_address (reg, REG03); r = sanei_genesys_get_address (reg, REG03);
if((dev->model->ccd_type!=CIS_CANONLIDE120)&&(used_res>=600)) if((dev->model->ccd_type!=CIS_CANONLIDE120)&&(session.params.xres>=600))
{ {
r->value &= ~REG03_AVEENB; r->value &= ~REG03_AVEENB;
DBG (DBG_io, "%s: disabling AVEENB\n", __func__); DBG (DBG_io, "%s: disabling AVEENB\n", __func__);
@ -900,7 +893,7 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
/* monochrome / color scan */ /* monochrome / color scan */
r = sanei_genesys_get_address (reg, REG04); r = sanei_genesys_get_address (reg, REG04);
switch (depth) switch (session.params.depth)
{ {
case 1: case 1:
r->value &= ~REG04_BITSET; r->value &= ~REG04_BITSET;
@ -916,9 +909,9 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
} }
r->value &= ~REG04_FILTER; r->value &= ~REG04_FILTER;
if (channels == 1) if (session.params.channels == 1)
{ {
switch (color_filter) switch (session.params.color_filter)
{ {
case ColorFilter::RED: case ColorFilter::RED:
r->value |= 0x10; r->value |= 0x10;
@ -944,7 +937,8 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
r->value |= REG05_GMMENB; r->value |= REG05_GMMENB;
} }
unsigned dpiset_reg = dpiset * ccd_size_divisor; unsigned dpiset_reg = session.output_resolution * ccd_pixels_per_system_pixel *
session.ccd_size_divisor;
if (sensor.dpiset_override != 0) { if (sensor.dpiset_override != 0) {
dpiset_reg = sensor.dpiset_override; dpiset_reg = sensor.dpiset_override;
} }
@ -996,17 +990,9 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
reg->set24(REG_ENDPIXEL, endx / segnb); reg->set24(REG_ENDPIXEL, endx / segnb);
DBG (DBG_io2, "%s: endpixel used=%d\n", __func__, endx/segnb); DBG (DBG_io2, "%s: endpixel used=%d\n", __func__, endx/segnb);
/* words(16bit) before gamma, conversion to 8 bit or lineart */ // words(16bit) before gamma, conversion to 8 bit or lineart
words_per_line = (used_pixels * dpiset) / dpihw; words_per_line = multiply_by_depth_ceil(session.output_pixels / session.ccd_size_divisor,
bytes = depth / 8; session.params.depth);
if (depth == 1)
{
words_per_line = (words_per_line >> 3) + ((words_per_line & 7) ? 1 : 0);
}
else
{
words_per_line *= bytes;
}
dev->bpl = words_per_line; dev->bpl = words_per_line;
dev->cur = 0; dev->cur = 0;
@ -1017,15 +1003,14 @@ static void gl124_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
dev->line_count = 0; dev->line_count = 0;
dev->line_interp = 0; dev->line_interp = 0;
DBG (DBG_io2, "%s: used_pixels =%d\n", __func__, used_pixels); DBG (DBG_io2, "%s: pixels =%d\n", __func__, session.optical_pixels);
DBG (DBG_io2, "%s: pixels =%d\n", __func__, pixels); DBG (DBG_io2, "%s: depth =%d\n", __func__, session.params.depth);
DBG (DBG_io2, "%s: depth =%d\n", __func__, depth);
DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl); DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl);
DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len); DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len);
DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist); DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist);
DBG (DBG_io2, "%s: dev->line_interp=%lu\n", __func__, (unsigned long)dev->line_interp); DBG (DBG_io2, "%s: dev->line_interp=%lu\n", __func__, (unsigned long)dev->line_interp);
words_per_line *= channels; words_per_line *= session.params.channels;
dev->wpl = words_per_line; dev->wpl = words_per_line;
/* allocate buffer for odd/even pixels handling */ /* allocate buffer for odd/even pixels handling */
@ -1120,11 +1105,7 @@ static void gl124_init_scan_regs(Genesys_Device* dev, const Genesys_Sensor& sens
*/ */
// now _LOGICAL_ optical values used are known, setup registers // now _LOGICAL_ optical values used are known, setup registers
gl124_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, session.params.xres, gl124_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, start);
start,
session.optical_pixels, session.params.channels,
session.params.depth, session.ccd_size_divisor,
session.params.color_filter);
/* add tl_y to base movement */ /* add tl_y to base movement */
move = session.params.starty; move = session.params.starty;
@ -1164,9 +1145,10 @@ static void gl124_init_scan_regs(Genesys_Device* dev, const Genesys_Sensor& sens
dev->out_buffer.clear(); dev->out_buffer.clear();
dev->out_buffer.alloc((8 * dev->settings.pixels * session.params.channels * session.params.depth) / 8); dev->out_buffer.alloc((8 * dev->settings.pixels * session.params.channels * session.params.depth) / 8);
dev->read_bytes_left = session.output_line_bytes * session.output_line_count; dev->read_bytes_left_after_deseg = session.output_line_bytes * session.output_line_count;
DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_info, "%s: desegmented bytes to read = %lu\n", __func__,
(u_long) dev->read_bytes_left_after_deseg);
dev->read_active = SANE_TRUE; dev->read_active = SANE_TRUE;
dev->session = session; dev->session = session;

18
backend/genesys_gl646.cc
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@ -742,9 +742,10 @@ static void gl646_setup_registers(Genesys_Device* dev,
/* scan bytes to read */ /* scan bytes to read */
unsigned cis_channel_multiplier = dev->model->is_cis ? session.params.channels : 1; unsigned cis_channel_multiplier = dev->model->is_cis ? session.params.channels : 1;
dev->read_bytes_left = session.output_line_bytes * session.output_line_count * cis_channel_multiplier; dev->read_bytes_left_after_deseg = session.output_line_bytes * session.output_line_count * cis_channel_multiplier;
DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_info, "%s: desegmented bytes to read = %lu\n", __func__,
(u_long) dev->read_bytes_left_after_deseg);
dev->read_active = SANE_TRUE; dev->read_active = SANE_TRUE;
dev->session = session; dev->session = session;
@ -1511,7 +1512,7 @@ static void gl646_detect_document_end(Genesys_Device* dev)
*/ */
DBG(DBG_io, "%s: total_bytes_to_read=%lu\n", __func__, (u_long) dev->total_bytes_to_read); DBG(DBG_io, "%s: total_bytes_to_read=%lu\n", __func__, (u_long) dev->total_bytes_to_read);
DBG(DBG_io, "%s: total_bytes_read =%lu\n", __func__, (u_long) dev->total_bytes_read); DBG(DBG_io, "%s: total_bytes_read =%lu\n", __func__, (u_long) dev->total_bytes_read);
DBG(DBG_io, "%s: read_bytes_left =%lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_io, "%s: read_bytes_left_after_deseg =%lu\n", __func__, (u_long) dev->read_bytes_left_after_deseg);
// amount of data available from scanner is what to scan // amount of data available from scanner is what to scan
sanei_genesys_read_valid_words(dev, &bytes_left); sanei_genesys_read_valid_words(dev, &bytes_left);
@ -1526,14 +1527,13 @@ static void gl646_detect_document_end(Genesys_Device* dev)
if (dev->session.params.channels > 1) { if (dev->session.params.channels > 1) {
bytes_left = 3 * bytes_left; bytes_left = 3 * bytes_left;
} }
if (bytes_left < dev->read_bytes_left) if (bytes_left < dev->read_bytes_left_after_deseg) {
{ dev->total_bytes_to_read = dev->total_bytes_read + bytes_left;
dev->total_bytes_to_read = dev->total_bytes_read + bytes_left; dev->read_bytes_left_after_deseg = bytes_left;
dev->read_bytes_left = bytes_left; }
}
DBG(DBG_io, "%s: total_bytes_to_read=%lu\n", __func__, (u_long) dev->total_bytes_to_read); DBG(DBG_io, "%s: total_bytes_to_read=%lu\n", __func__, (u_long) dev->total_bytes_to_read);
DBG(DBG_io, "%s: total_bytes_read =%lu\n", __func__, (u_long) dev->total_bytes_read); DBG(DBG_io, "%s: total_bytes_read =%lu\n", __func__, (u_long) dev->total_bytes_read);
DBG(DBG_io, "%s: read_bytes_left =%lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_io, "%s: read_bytes_left =%lu\n", __func__, (u_long) dev->read_bytes_left_after_deseg);
} }
} }

73
backend/genesys_gl841.cc
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@ -1453,42 +1453,22 @@ static void gl841_init_optical_regs_off(Genesys_Register_Set* reg)
static void gl841_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor, static void gl841_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor,
Genesys_Register_Set* reg, unsigned int exposure_time, Genesys_Register_Set* reg, unsigned int exposure_time,
const ScanSession& session, unsigned int used_res, const ScanSession& session, unsigned int start)
unsigned int start,
unsigned int pixels, int channels,
int depth, unsigned ccd_size_divisor,
ColorFilter color_filter)
{ {
DBG_HELPER_ARGS(dbg, "exposure_time=%d, used_res=%d, start=%d, pixels=%d, channels=%d, " DBG_HELPER_ARGS(dbg, "exposure_time=%d, start=%d", exposure_time, start);
"depth=%d, ccd_size_divisor=%d",
exposure_time, used_res, start, pixels, channels, depth, ccd_size_divisor);
unsigned int words_per_line;
unsigned int end; unsigned int end;
unsigned int dpiset;
GenesysRegister* r; GenesysRegister* r;
uint16_t expavg, expr, expb, expg; uint16_t expavg, expr, expb, expg;
end = start + pixels; end = start + session.optical_pixels;
gl841_set_fe(dev, sensor, AFE_SET); gl841_set_fe(dev, sensor, AFE_SET);
/* adjust used_res for chosen dpihw */
used_res = used_res * gl841_get_dpihw(dev) / sensor.optical_res;
/*
with ccd_size_divisor==2 the optical resolution of the ccd is halved. We don't apply this
to dpihw, so we need to double dpiset.
For the scanner only the ratio of dpiset and dpihw is of relevance to scale
down properly.
*/
dpiset = used_res * ccd_size_divisor;
/* gpio part.*/ /* gpio part.*/
if (dev->model->gpo_type == GPO_CANONLIDE35) if (dev->model->gpo_type == GPO_CANONLIDE35)
{ {
r = sanei_genesys_get_address (reg, REG6C); r = sanei_genesys_get_address (reg, REG6C);
if (ccd_size_divisor > 1) { if (session.ccd_size_divisor > 1) {
r->value &= ~0x80; r->value &= ~0x80;
} else { } else {
r->value |= 0x80; r->value |= 0x80;
@ -1497,7 +1477,7 @@ static void gl841_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
if (dev->model->gpo_type == GPO_CANONLIDE80) if (dev->model->gpo_type == GPO_CANONLIDE80)
{ {
r = sanei_genesys_get_address (reg, REG6C); r = sanei_genesys_get_address (reg, REG6C);
if (ccd_size_divisor > 1) { if (session.ccd_size_divisor > 1) {
r->value &= ~0x40; r->value &= ~0x40;
r->value |= 0x20; r->value |= 0x20;
} else { } else {
@ -1534,7 +1514,7 @@ static void gl841_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
/* monochrome / color scan */ /* monochrome / color scan */
r = sanei_genesys_get_address (reg, 0x04); r = sanei_genesys_get_address (reg, 0x04);
switch (depth) { switch (session.params.depth) {
case 1: case 1:
r->value &= ~REG04_BITSET; r->value &= ~REG04_BITSET;
r->value |= REG04_LINEART; r->value |= REG04_LINEART;
@ -1554,9 +1534,9 @@ static void gl841_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
if (session.params.flags & SCAN_FLAG_ENABLE_LEDADD) { if (session.params.flags & SCAN_FLAG_ENABLE_LEDADD) {
r->value |= 0x10; /* no filter */ r->value |= 0x10; /* no filter */
} }
else if (channels == 1) else if (session.params.channels == 1)
{ {
switch (color_filter) switch (session.params.color_filter)
{ {
case ColorFilter::RED: case ColorFilter::RED:
r->value |= 0x14; r->value |= 0x14;
@ -1614,35 +1594,20 @@ static void gl841_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
} }
/* sensor parameters */ /* sensor parameters */
sanei_gl841_setup_sensor(dev, sensor, &dev->reg, 1, ccd_size_divisor); sanei_gl841_setup_sensor(dev, sensor, &dev->reg, 1, session.ccd_size_divisor);
r = sanei_genesys_get_address (reg, 0x29); r = sanei_genesys_get_address (reg, 0x29);
r->value = 255; /*<<<"magic" number, only suitable for cis*/ r->value = 255; /*<<<"magic" number, only suitable for cis*/
reg->set16(REG_DPISET, dpiset); reg->set16(REG_DPISET, gl841_get_dpihw(dev) * session.output_resolution / session.optical_resolution);
reg->set16(REG_STRPIXEL, start); reg->set16(REG_STRPIXEL, start);
reg->set16(REG_ENDPIXEL, end); reg->set16(REG_ENDPIXEL, end);
DBG(DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d\n", __func__, start, end); DBG(DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d\n", __func__, start, end);
/* words(16bit) before gamma, conversion to 8 bit or lineart*/ dev->wpl = session.output_line_bytes;
words_per_line = (pixels * dpiset) / gl841_get_dpihw(dev); dev->bpl = session.output_line_bytes;
words_per_line *= channels; reg->set24(REG_MAXWD, session.output_line_bytes);
if (depth == 1)
words_per_line = (words_per_line >> 3) + ((words_per_line & 7)?1:0);
else
words_per_line *= depth / 8;
dev->wpl = words_per_line;
dev->bpl = words_per_line;
r = sanei_genesys_get_address (reg, 0x35);
r->value = LOBYTE (HIWORD (words_per_line));
r = sanei_genesys_get_address (reg, 0x36);
r->value = HIBYTE (LOWORD (words_per_line));
r = sanei_genesys_get_address (reg, 0x37);
r->value = LOBYTE (LOWORD (words_per_line));
reg->set16(REG_LPERIOD, exposure_time); reg->set16(REG_LPERIOD, exposure_time);
@ -1883,10 +1848,7 @@ dummy \ scanned lines
session.params.flags |= SCAN_FLAG_DISABLE_GAMMA; session.params.flags |= SCAN_FLAG_DISABLE_GAMMA;
} }
gl841_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, session.params.xres, start, gl841_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, start);
session.optical_pixels, session.params.channels,
session.params.depth, session.ccd_size_divisor,
session.params.color_filter);
move = session.params.starty; move = session.params.starty;
DBG(DBG_info, "%s: move=%d steps\n", __func__, move); DBG(DBG_info, "%s: move=%d steps\n", __func__, move);
@ -1940,9 +1902,10 @@ dummy \ scanned lines
dev->out_buffer.clear(); dev->out_buffer.clear();
dev->out_buffer.alloc((8 * dev->settings.pixels * session.params.channels * session.params.depth) / 8); dev->out_buffer.alloc((8 * dev->settings.pixels * session.params.channels * session.params.depth) / 8);
dev->read_bytes_left = session.output_line_bytes * session.output_line_count; dev->read_bytes_left_after_deseg = session.output_line_bytes * session.output_line_count;
DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_info, "%s: desegmented bytes to read = %lu\n", __func__,
(u_long) dev->read_bytes_left_after_deseg);
dev->read_active = SANE_TRUE; dev->read_active = SANE_TRUE;
dev->session = session; dev->session = session;
@ -2471,7 +2434,7 @@ static void gl841_detect_document_end(Genesys_Device* dev)
sanei_genesys_read_scancnt(dev, &scancnt); sanei_genesys_read_scancnt(dev, &scancnt);
} catch (...) { } catch (...) {
dev->total_bytes_to_read = dev->total_bytes_read; dev->total_bytes_to_read = dev->total_bytes_read;
dev->read_bytes_left = 0; dev->read_bytes_left_after_deseg = 0;
throw; throw;
} }

1
backend/genesys_gl841.h
Wyświetl plik

@ -174,6 +174,7 @@
#define REG_DPISET 0x2c #define REG_DPISET 0x2c
#define REG_STRPIXEL 0x30 #define REG_STRPIXEL 0x30
#define REG_ENDPIXEL 0x32 #define REG_ENDPIXEL 0x32
#define REG_MAXWD 0x35
#define REG_LPERIOD 0x38 #define REG_LPERIOD 0x38
#define REG40_HISPDFLG 0x04 #define REG40_HISPDFLG 0x04

38
backend/genesys_gl843.cc
Wyświetl plik

@ -1322,9 +1322,10 @@ static void gl843_init_scan_regs(Genesys_Device* dev, const Genesys_Sensor& sens
dev->out_buffer.alloc((8 * session.params.pixels * session.params.channels * dev->out_buffer.alloc((8 * session.params.pixels * session.params.channels *
session.params.depth) / 8); session.params.depth) / 8);
dev->read_bytes_left = session.output_line_bytes * session.output_line_count; dev->read_bytes_left_after_deseg = session.output_line_bytes * session.output_line_count;
DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__,
(u_long) dev->read_bytes_left_after_deseg);
dev->read_active = SANE_TRUE; dev->read_active = SANE_TRUE;
dev->session = session; dev->session = session;
@ -1569,7 +1570,7 @@ static void gl843_detect_document_end(Genesys_Device* dev)
unsigned channels = dev->session.params.channels; unsigned channels = dev->session.params.channels;
unsigned depth = dev->session.params.depth; unsigned depth = dev->session.params.depth;
read_bytes_left = (int) dev->read_bytes_left; read_bytes_left = (int) dev->read_bytes_left_after_deseg;
DBG(DBG_io, "%s: read_bytes_left=%d\n", __func__, read_bytes_left); DBG(DBG_io, "%s: read_bytes_left=%d\n", __func__, read_bytes_left);
// get lines read // get lines read
@ -1641,16 +1642,13 @@ static void gl843_detect_document_end(Genesys_Device* dev)
dev->total_bytes_to_read -= sub_bytes; dev->total_bytes_to_read -= sub_bytes;
/* then adjust the physical bytes to read */ /* then adjust the desegmented bytes to read */
if (read_bytes_left > sub_bytes) if (read_bytes_left > sub_bytes) {
{ dev->read_bytes_left_after_deseg -= sub_bytes;
dev->read_bytes_left -= sub_bytes; } else {
} dev->total_bytes_to_read = dev->total_bytes_read;
else dev->read_bytes_left_after_deseg = 0;
{ }
dev->total_bytes_to_read = dev->total_bytes_read;
dev->read_bytes_left = 0;
}
DBG(DBG_io, "%s: sublines=%d\n", __func__, sublines); DBG(DBG_io, "%s: sublines=%d\n", __func__, sublines);
DBG(DBG_io, "%s: subbytes=%d\n", __func__, sub_bytes); DBG(DBG_io, "%s: subbytes=%d\n", __func__, sub_bytes);
@ -2154,7 +2152,7 @@ static void gl843_search_start_position(Genesys_Device* dev)
// send to scanner // send to scanner
dev->write_registers(local_reg); dev->write_registers(local_reg);
size = dev->read_bytes_left; size = dev->read_bytes_left_after_deseg;
std::vector<uint8_t> data(size); std::vector<uint8_t> data(size);
@ -2392,7 +2390,7 @@ static void gl843_init_regs_for_shading(Genesys_Device* dev, const Genesys_Senso
// the pixel number may be updated to conform to scanner constraints // the pixel number may be updated to conform to scanner constraints
dev->calib_pixels = dev->current_setup.pixels; dev->calib_pixels = dev->current_setup.pixels;
dev->calib_total_bytes_to_read = dev->read_bytes_left; dev->calib_total_bytes_to_read = dev->read_bytes_left_after_deseg;
dev->scanhead_position_in_steps += dev->calib_lines + move; dev->scanhead_position_in_steps += dev->calib_lines + move;
@ -2574,7 +2572,7 @@ static SensorExposure gl843_led_calibration(Genesys_Device* dev, const Genesys_S
dev->write_registers(regs); dev->write_registers(regs);
total_size = dev->read_bytes_left; total_size = dev->read_bytes_left_after_deseg;
std::vector<uint8_t> line(total_size); std::vector<uint8_t> line(total_size);
@ -2812,8 +2810,8 @@ static void gl843_offset_calibration(Genesys_Device* dev, const Genesys_Sensor&
sanei_genesys_set_motor_power(regs, false); sanei_genesys_set_motor_power(regs, false);
/* allocate memory for scans */ // allocate memory for scans
total_size = dev->read_bytes_left; total_size = dev->read_bytes_left_after_deseg;
std::vector<uint8_t> first_line(total_size); std::vector<uint8_t> first_line(total_size);
std::vector<uint8_t> second_line(total_size); std::vector<uint8_t> second_line(total_size);
@ -3042,7 +3040,7 @@ static void gl843_coarse_gain_calibration(Genesys_Device* dev, const Genesys_Sen
dev->write_registers(regs); dev->write_registers(regs);
total_size = dev->read_bytes_left; total_size = dev->read_bytes_left_after_deseg;
std::vector<uint8_t> line(total_size); std::vector<uint8_t> line(total_size);
@ -3417,7 +3415,7 @@ static void gl843_search_strip(Genesys_Device* dev, const Genesys_Sensor& sensor
gl843_init_scan_regs(dev, calib_sensor, &local_reg, session); gl843_init_scan_regs(dev, calib_sensor, &local_reg, session);
size = dev->read_bytes_left; size = dev->read_bytes_left_after_deseg;
std::vector<uint8_t> data(size); std::vector<uint8_t> data(size);
/* set up for reverse or forward */ /* set up for reverse or forward */

59
backend/genesys_gl846.cc
Wyświetl plik

@ -722,15 +722,11 @@ static void gl846_init_motor_regs_scan(Genesys_Device* dev,
*/ */
static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor, static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor,
Genesys_Register_Set* reg, unsigned int exposure_time, Genesys_Register_Set* reg, unsigned int exposure_time,
const ScanSession& session, int used_res, const ScanSession& session, unsigned int start)
unsigned int start, unsigned int pixels,
int channels, int depth, ColorFilter color_filter)
{ {
DBG_HELPER_ARGS(dbg, "exposure_time=%d, used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d", DBG_HELPER_ARGS(dbg, "exposure_time=%d, start=%d", exposure_time, start);
exposure_time, used_res, start, pixels, channels, depth);
unsigned int words_per_line; unsigned int words_per_line;
unsigned int dpiset, dpihw, segnb, factor; unsigned int dpihw, segnb, factor;
unsigned int bytes;
GenesysRegister *r; GenesysRegister *r;
// resolution is divided according to ccd_pixels_per_system_pixel() // resolution is divided according to ccd_pixels_per_system_pixel()
@ -739,18 +735,17 @@ static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
// to manage high resolution device while keeping good low resolution scanning speed, // to manage high resolution device while keeping good low resolution scanning speed,
// we make hardware dpi vary // we make hardware dpi vary
dpihw = sensor.get_register_hwdpi(used_res * ccd_pixels_per_system_pixel); dpihw = sensor.get_register_hwdpi(session.params.xres * ccd_pixels_per_system_pixel);
factor = sensor.optical_res/dpihw; factor = sensor.optical_res/dpihw;
DBG(DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor); DBG(DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor);
// sensor parameters // sensor parameters
const auto& sensor_profile = get_sensor_profile(sensor, dpihw); const auto& sensor_profile = get_sensor_profile(sensor, dpihw);
gl846_setup_sensor(dev, sensor, reg, dpihw); gl846_setup_sensor(dev, sensor, reg, dpihw);
dpiset = used_res * ccd_pixels_per_system_pixel ;
// start and end coordinate in optical dpi coordinates // start and end coordinate in optical dpi coordinates
unsigned startx = start / ccd_pixels_per_system_pixel + sensor.CCD_start_xoffset; unsigned startx = start / ccd_pixels_per_system_pixel + sensor.CCD_start_xoffset;
unsigned endx = startx + pixels / ccd_pixels_per_system_pixel; unsigned endx = startx + session.optical_pixels / ccd_pixels_per_system_pixel;
/* sensors are built from 600 dpi segments for LiDE 100/200 /* sensors are built from 600 dpi segments for LiDE 100/200
* and 1200 dpi for the 700F */ * and 1200 dpi for the 700F */
@ -810,7 +805,7 @@ static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
/* monochrome / color scan */ /* monochrome / color scan */
r = sanei_genesys_get_address (reg, REG04); r = sanei_genesys_get_address (reg, REG04);
switch (depth) switch (session.params.depth)
{ {
case 1: case 1:
r->value &= ~REG04_BITSET; r->value &= ~REG04_BITSET;
@ -826,9 +821,9 @@ static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
} }
r->value &= ~(REG04_FILTER | REG04_AFEMOD); r->value &= ~(REG04_FILTER | REG04_AFEMOD);
if (channels == 1) if (session.params.channels == 1)
{ {
switch (color_filter) switch (session.params.color_filter)
{ {
case ColorFilter::RED: case ColorFilter::RED:
r->value |= 0x24; r->value |= 0x24;
@ -875,28 +870,19 @@ static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
} }
/* words(16bit) before gamma, conversion to 8 bit or lineart*/ /* words(16bit) before gamma, conversion to 8 bit or lineart*/
words_per_line = (used_pixels * dpiset) / dpihw; words_per_line = (used_pixels * session.params.xres * ccd_pixels_per_system_pixel) / sensor.get_register_hwdpi(session.params.xres * ccd_pixels_per_system_pixel);
bytes=depth/8; words_per_line = multiply_by_depth_ceil(words_per_line, session.params.depth);
if (depth == 1) dev->len = multiply_by_depth_ceil(dev->len, session.params.depth);
{ dev->dist = multiply_by_depth_ceil(dev->dist, session.params.depth);
words_per_line = (words_per_line+7)/8 ;
dev->len = (dev->len >> 3) + ((dev->len & 7) ? 1 : 0);
dev->dist = (dev->dist >> 3) + ((dev->dist & 7) ? 1 : 0);
}
else
{
words_per_line *= bytes;
dev->dist *= bytes;
dev->len *= bytes;
}
dev->bpl = words_per_line; dev->bpl = words_per_line;
dev->cur=0; dev->cur=0;
dev->segnb=segnb; dev->segnb=segnb;
dev->line_interp = 0; dev->line_interp = 0;
reg->set16(REG_DPISET,dpiset); unsigned dpiset = session.params.xres * ccd_pixels_per_system_pixel;
DBG (DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset); reg->set16(REG_DPISET, dpiset);
DBG(DBG_io2, "%s: dpiset used=%d\n", __func__, dpiset);
reg->set16(REG_STRPIXEL,startx); reg->set16(REG_STRPIXEL,startx);
reg->set16(REG_ENDPIXEL,endx); reg->set16(REG_ENDPIXEL,endx);
@ -904,14 +890,14 @@ static void gl846_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
DBG (DBG_io2, "%s: endx =%d\n", __func__, endx); DBG (DBG_io2, "%s: endx =%d\n", __func__, endx);
DBG (DBG_io2, "%s: used_pixels=%d\n", __func__, used_pixels); DBG (DBG_io2, "%s: used_pixels=%d\n", __func__, used_pixels);
DBG (DBG_io2, "%s: pixels =%d\n", __func__, pixels); DBG (DBG_io2, "%s: pixels =%d\n", __func__, session.optical_pixels);
DBG (DBG_io2, "%s: depth =%d\n", __func__, depth); DBG (DBG_io2, "%s: depth =%d\n", __func__, session.params.depth);
DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl); DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl);
DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len); DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len);
DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist); DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist);
DBG (DBG_io2, "%s: dev->segnb =%lu\n", __func__, (unsigned long)dev->segnb); DBG (DBG_io2, "%s: dev->segnb =%lu\n", __func__, (unsigned long)dev->segnb);
words_per_line *= channels; words_per_line *= session.params.channels;
dev->wpl = words_per_line; dev->wpl = words_per_line;
dev->oe_buffer.clear(); dev->oe_buffer.clear();
@ -1001,9 +987,7 @@ static void gl846_init_scan_regs(Genesys_Device* dev, const Genesys_Sensor& sens
/* we enable true gray for cis scanners only, and just when doing /* we enable true gray for cis scanners only, and just when doing
* scan since color calibration is OK for this mode * scan since color calibration is OK for this mode
*/ */
gl846_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, session.params.xres, start, gl846_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, start);
session.optical_pixels, session.params.channels, session.params.depth,
session.params.color_filter);
/*** motor parameters ***/ /*** motor parameters ***/
@ -1043,9 +1027,10 @@ static void gl846_init_scan_regs(Genesys_Device* dev, const Genesys_Sensor& sens
dev->out_buffer.clear(); dev->out_buffer.clear();
dev->out_buffer.alloc((8 * session.params.pixels * session.params.channels * session.params.depth) / 8); dev->out_buffer.alloc((8 * session.params.pixels * session.params.channels * session.params.depth) / 8);
dev->read_bytes_left = session.output_line_bytes * session.output_line_count; dev->read_bytes_left_after_deseg = session.output_line_bytes * session.output_line_count;
DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left); DBG(DBG_info, "%s: desegmented bytes to read = %lu\n", __func__,
(u_long) dev->read_bytes_left_after_deseg);
dev->read_active = SANE_TRUE; dev->read_active = SANE_TRUE;
dev->session = session; dev->session = session;

54
backend/genesys_gl847.cc
Wyświetl plik

@ -741,17 +741,11 @@ static void gl847_init_motor_regs_scan(Genesys_Device* dev,
*/ */
static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor, static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sensor& sensor,
Genesys_Register_Set* reg, unsigned int exposure_time, Genesys_Register_Set* reg, unsigned int exposure_time,
const ScanSession& session, int used_res, const ScanSession& session, unsigned int start)
unsigned int start, unsigned int pixels,
int channels, int depth,
ColorFilter color_filter)
{ {
DBG_HELPER_ARGS(dbg, "exposure_time=%d, used_res=%d, start=%d, pixels=%d, channels=%d, " DBG_HELPER_ARGS(dbg, "exposure_time=%d, start=%d", exposure_time, start);
"depth=%d",
exposure_time, used_res, start, pixels, channels, depth);
unsigned int words_per_line; unsigned int words_per_line;
unsigned dpiset, dpihw, segnb, factor; unsigned dpiset, dpihw, segnb, factor;
unsigned int bytes;
GenesysRegister *r; GenesysRegister *r;
// resolution is divided according to ccd_pixels_per_system_pixel() // resolution is divided according to ccd_pixels_per_system_pixel()
@ -760,18 +754,18 @@ static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
// to manage high resolution device while keeping good low resolution scanning speed, we make // to manage high resolution device while keeping good low resolution scanning speed, we make
// hardware dpi vary // hardware dpi vary
dpihw = sensor.get_register_hwdpi(used_res * ccd_pixels_per_system_pixel); dpihw = sensor.get_register_hwdpi(session.params.xres * ccd_pixels_per_system_pixel);
factor=sensor.optical_res/dpihw; factor=sensor.optical_res/dpihw;
DBG(DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor); DBG(DBG_io2, "%s: dpihw=%d (factor=%d)\n", __func__, dpihw, factor);
// sensor parameters // sensor parameters
const auto& sensor_profile = get_sensor_profile(sensor, dpihw); const auto& sensor_profile = get_sensor_profile(sensor, dpihw);
gl847_setup_sensor(dev, sensor, reg, dpihw); gl847_setup_sensor(dev, sensor, reg, dpihw);
dpiset = used_res * ccd_pixels_per_system_pixel; dpiset = session.params.xres * ccd_pixels_per_system_pixel;
// start and end coordinate in optical dpi coordinates // start and end coordinate in optical dpi coordinates
unsigned startx = start / ccd_pixels_per_system_pixel + sensor.CCD_start_xoffset; unsigned startx = start / ccd_pixels_per_system_pixel + sensor.CCD_start_xoffset;
unsigned endx = startx + pixels / ccd_pixels_per_system_pixel; unsigned endx = startx + session.optical_pixels / ccd_pixels_per_system_pixel;
/* sensors are built from 600 dpi segments for LiDE 100/200 /* sensors are built from 600 dpi segments for LiDE 100/200
* and 1200 dpi for the 700F */ * and 1200 dpi for the 700F */
@ -831,7 +825,7 @@ static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
/* monochrome / color scan */ /* monochrome / color scan */
r = sanei_genesys_get_address (reg, REG04); r = sanei_genesys_get_address (reg, REG04);
switch (depth) switch (session.params.depth)
{ {
case 1: case 1:
r->value &= ~REG04_BITSET; r->value &= ~REG04_BITSET;
@ -847,9 +841,9 @@ static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
} }
r->value &= ~(REG04_FILTER | REG04_AFEMOD); r->value &= ~(REG04_FILTER | REG04_AFEMOD);
if (channels == 1) if (session.params.channels == 1)
{ {
switch (color_filter) switch (session.params.color_filter)
{ {
case ColorFilter::RED: case ColorFilter::RED:
@ -897,19 +891,9 @@ static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
/* words(16bit) before gamma, conversion to 8 bit or lineart*/ /* words(16bit) before gamma, conversion to 8 bit or lineart*/
words_per_line = (used_pixels * dpiset) / dpihw; words_per_line = (used_pixels * dpiset) / dpihw;
bytes=depth/8; words_per_line = multiply_by_depth_ceil(words_per_line, session.params.depth);
if (depth == 1) dev->len = multiply_by_depth_ceil(dev->len, session.params.depth);
{ dev->dist = multiply_by_depth_ceil(dev->dist, session.params.depth);
words_per_line = (words_per_line+7)/8 ;
dev->len = (dev->len >> 3) + ((dev->len & 7) ? 1 : 0);
dev->dist = (dev->dist >> 3) + ((dev->dist & 7) ? 1 : 0);
}
else
{
words_per_line *= bytes;
dev->dist *= bytes;
dev->len *= bytes;
}
dev->bpl = words_per_line; dev->bpl = words_per_line;
dev->cur=0; dev->cur=0;
@ -925,14 +909,14 @@ static void gl847_init_optical_regs_scan(Genesys_Device* dev, const Genesys_Sens
DBG (DBG_io2, "%s: endx =%d\n", __func__, endx); DBG (DBG_io2, "%s: endx =%d\n", __func__, endx);
DBG (DBG_io2, "%s: used_pixels=%d\n", __func__, used_pixels); DBG (DBG_io2, "%s: used_pixels=%d\n", __func__, used_pixels);
DBG (DBG_io2, "%s: pixels =%d\n", __func__, pixels); DBG (DBG_io2, "%s: pixels =%d\n", __func__, session.optical_pixels);
DBG (DBG_io2, "%s: depth =%d\n", __func__, depth); DBG (DBG_io2, "%s: depth =%d\n", __func__, session.params.depth);
DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl); DBG (DBG_io2, "%s: dev->bpl =%lu\n", __func__, (unsigned long)dev->bpl);
DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len); DBG (DBG_io2, "%s: dev->len =%lu\n", __func__, (unsigned long)dev->len);
DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist); DBG (DBG_io2, "%s: dev->dist =%lu\n", __func__, (unsigned long)dev->dist);
DBG (DBG_io2, "%s: dev->segnb =%lu\n", __func__, (unsigned long)dev->segnb); DBG (DBG_io2, "%s: dev->segnb =%lu\n", __func__, (unsigned long)dev->segnb);
words_per_line *= channels; words_per_line *= session.params.channels;
dev->wpl = words_per_line; dev->wpl = words_per_line;
dev->oe_buffer.clear(); dev->oe_buffer.clear();
@ -1020,9 +1004,7 @@ static void gl847_init_scan_regs(Genesys_Device* dev, const Genesys_Sensor& sens
/* we enable true gray for cis scanners only, and just when doing /* we enable true gray for cis scanners only, and just when doing
* scan since color calibration is OK for this mode * scan since color calibration is OK for this mode
*/ */
gl847_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, session.params.xres, start, gl847_init_optical_regs_scan(dev, sensor, reg, exposure_time, session, start);
session.optical_pixels, session.params.channels,
session.params.depth, session.params.color_filter);
move = session.params.starty; move = session.params.starty;
DBG(DBG_info, "%s: move=%d steps\n", __func__, move); DBG(DBG_info, "%s: move=%d steps\n", __func__, move);
@ -1059,9 +1041,11 @@ static void gl847_init_scan_regs(Genesys_Device* dev, const Genesys_Sensor& sens
dev->out_buffer.clear(); dev->out_buffer.clear();
dev->out_buffer.alloc((8 * session.params.pixels * session.params.channels * session.params.depth) / 8); dev->out_buffer.alloc((8 * session.params.pixels * session.params.channels * session.params.depth) / 8);
dev->read_bytes_left = session.output_line_bytes * session.output_line_count; dev->read_bytes_left_after_deseg = session.output_line_bytes * session.output_line_count;
DBG(DBG_info, "%s: desegment bytes to read = %lu\n", __func__,
(u_long) dev->read_bytes_left_after_deseg);
DBG(DBG_info, "%s: physical bytes to read = %lu\n", __func__, (u_long) dev->read_bytes_left);
dev->read_active = SANE_TRUE; dev->read_active = SANE_TRUE;
dev->session = session; dev->session = session;