pxcloud/spice
5
0
Fork 0
mirror of https://gitlab.uni-freiburg.de/opensourcevdi/spice synced 2026-01-11 16:55:33 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

introducing lossy and lz compression in red_send_image

Browse Source
This commit is contained in:
Yonit Halperin 2010-06-01 10:30:53 +03:00 committed by Alexander Larsson
parent 2fc2f13be9
commit 5d01cae430
1 changed files with 53 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
server/red_worker.c
View File

@ -405,6 +405,7 @@ typedef struct ImageItem {
int surface_id;
int image_format;
uint32_t image_flags;
int can_lossy;
uint8_t data[0];
} ImageItem;
@ -5043,6 +5044,7 @@ static void red_add_surface_image(RedWorker *worker, int surface_id)
item->height = surface->context.height;
item->stride = stride;
item->top_down = surface->context.top_down;
item->can_lossy = TRUE;
area.top = area.left = 0;
area.right = surface->context.width;
@ -7746,6 +7748,11 @@ static void red_send_image(DisplayChannel *display_channel, ImageItem *item)
RedImage *red_image;
RedWorker *worker;
SpiceBitmap bitmap;
QRegion *surface_lossy_region;
int comp_succeeded;
int lossy_comp = FALSE;
int lz_comp = FALSE;
spice_image_compression_t comp_mode;
ASSERT(display_channel && item);
channel = &display_channel->base;
@ -7790,11 +7797,54 @@ static void red_send_image(DisplayChannel *display_channel, ImageItem *item)
compress_send_data_t comp_send_data;
if (red_quic_compress_image(display_channel, red_image, &bitmap, &comp_send_data,
worker->mem_slots.internal_groupslot_id)) {
comp_mode = display_channel->base.worker->image_compression;
if ((comp_mode == SPICE_IMAGE_COMPRESS_AUTO_LZ) ||
(comp_mode == SPICE_IMAGE_COMPRESS_AUTO_GLZ)) {
if (BITMAP_FMT_IS_RGB[item->image_format]) {
if (!_stride_is_extra(&bitmap)) {
BitmapGradualType grad_level;
grad_level = _get_bitmap_graduality_level(display_channel->base.worker,
&bitmap,
worker->mem_slots.internal_groupslot_id);
if (grad_level == BITMAP_GRADUAL_HIGH) {
lossy_comp = worker->enable_jpeg && item->can_lossy &&
(item->image_format != SPICE_BITMAP_FMT_RGBA);
} else {
lz_comp = TRUE;
}
}
} else {
lz_comp = TRUE;
}
}
if (lossy_comp) {
comp_succeeded = red_jpeg_compress_image(display_channel, red_image,
&bitmap, &comp_send_data,
worker->mem_slots.internal_groupslot_id);
} else {
if (!lz_comp) {
comp_succeeded = red_quic_compress_image(display_channel, red_image, &bitmap,
&comp_send_data,
worker->mem_slots.internal_groupslot_id);
} else {
comp_succeeded = red_lz_compress_image(display_channel, red_image, &bitmap,
&comp_send_data,
worker->mem_slots.internal_groupslot_id);
}
}
surface_lossy_region = &display_channel->surface_client_lossy_region[item->surface_id];
if (comp_succeeded) {
add_buf(channel, BUF_TYPE_RAW, red_image, comp_send_data.raw_size, 0, 0);
add_buf(channel, BUF_TYPE_COMPRESS_BUF, comp_send_data.comp_buf,
comp_send_data.comp_buf_size, 0, 0);
if (lossy_comp) {
region_add(surface_lossy_region, &display_channel->send_data.u.copy.base.box);
} else {
region_remove(surface_lossy_region, &display_channel->send_data.u.copy.base.box);
}
} else {
red_image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP;
red_image->bitmap = bitmap;
@ -7802,6 +7852,7 @@ static void red_send_image(DisplayChannel *display_channel, ImageItem *item)
add_buf(channel, BUF_TYPE_RAW, red_image, sizeof(SpiceBitmapImage), 0, 0);
red_image->bitmap.data = channel->send_data.header.size;
add_buf(channel, BUF_TYPE_RAW, item->data, bitmap.y * bitmap.stride, 0, 0);
region_remove(surface_lossy_region, &display_channel->send_data.u.copy.base.box);
}
display_begin_send_massage(display_channel, &item->link);
}