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applying zlib compression over glz on WAN connection

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This commit is contained in:
Yonit Halperin 2010-06-20 15:24:49 +03:00 committed by Alexander Larsson
parent dcc0f272e9
commit fec5354016
8 changed files with 71 additions and 11 deletions
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51
canvas_base.c
View File

@ -186,6 +186,7 @@ typedef struct CanvasBase {
LzData lz_data;
GlzData glz_data;
SpiceJpegDecoder* jpeg;
SpiceZlibDecoder* zlib;
void *usr_data;
spice_destroy_fn_t usr_data_destroy;
@ -817,6 +818,21 @@ static pixman_image_t *canvas_get_lz(CanvasBase *canvas, LZImage *image, int inv
return lz_data->decode_data.out_surface;
}
static pixman_image_t *canvas_get_glz_rgb_common(CanvasBase *canvas, uint8_t *data,
int want_original)
{
if (canvas->glz_data.decoder == NULL) {
CANVAS_ERROR("glz not supported");
}
canvas->glz_data.decoder->ops->decode(canvas->glz_data.decoder,
data, NULL,
&canvas->glz_data.decode_data);
/* global_decode calls alloc_lz_image, which sets canvas->glz_data.surface */
return (canvas->glz_data.decode_data.out_surface);
}
// don't handle plts since bitmaps with plt can be decoded globally to RGB32 (because
// same byte sequence can be transformed to different RGB pixels by different plts)
static pixman_image_t *canvas_get_glz(CanvasBase *canvas, LZImage *image,
@ -827,15 +843,25 @@ static pixman_image_t *canvas_get_glz(CanvasBase *canvas, LZImage *image,
canvas->glz_data.decode_data.dc = canvas->dc;
#endif
if (canvas->glz_data.decoder == NULL) {
CANVAS_ERROR("glz not supported");
return canvas_get_glz_rgb_common(canvas, image->lz_rgb.data, want_original);
}
static pixman_image_t *canvas_get_zlib_glz_rgb(CanvasBase *canvas, SpiceZlibGlzRGBImage *image,
int want_original)
{
uint8_t *glz_data;
pixman_image_t *surface;
if (canvas->zlib == NULL) {
CANVAS_ERROR("zlib not supported");
}
canvas->glz_data.decoder->ops->decode(canvas->glz_data.decoder,
image->lz_rgb.data, NULL,
&canvas->glz_data.decode_data);
/* global_decode calls alloc_lz_image, which sets canvas->glz_data.surface */
return (canvas->glz_data.decode_data.out_surface);
glz_data = (uint8_t*)spice_malloc(image->zlib_glz.glz_data_size);
canvas->zlib->ops->decode(canvas->zlib, image->zlib_glz.data, image->zlib_glz.data_size,
glz_data, image->zlib_glz.glz_data_size);
surface = canvas_get_glz_rgb_common(canvas, glz_data, want_original);
free(glz_data);
return surface;
}
//#define DEBUG_DUMP_BITMAP
@ -1025,7 +1051,8 @@ static pixman_image_t *canvas_get_image_internal(CanvasBase *canvas, SPICE_ADDRE
#ifdef SW_CANVAS_CACHE
!(descriptor->flags & SPICE_IMAGE_FLAGS_CACHE_REPLACE_ME) &&
#endif
(descriptor->type != SPICE_IMAGE_TYPE_GLZ_RGB)) {
(descriptor->type != SPICE_IMAGE_TYPE_GLZ_RGB) &&
(descriptor->type != SPICE_IMAGE_TYPE_ZLIB_GLZ_RGB)) {
return NULL;
}
@ -1067,8 +1094,12 @@ static pixman_image_t *canvas_get_image_internal(CanvasBase *canvas, SPICE_ADDRE
surface = canvas_get_glz(canvas, image, want_original);
break;
}
case SPICE_IMAGE_TYPE_ZLIB_GLZ_RGB: {
SpiceZlibGlzRGBImage *image = (SpiceZlibGlzRGBImage *)descriptor;
surface = canvas_get_zlib_glz_rgb(canvas, image, want_original);
break;
}
#endif
case SPICE_IMAGE_TYPE_FROM_CACHE:
surface = canvas->bits_cache->ops->get(canvas->bits_cache, descriptor->id);
break;
@ -3305,6 +3336,7 @@ static int canvas_base_init(CanvasBase *canvas, SpiceCanvasOps *ops,
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif
@ -3339,6 +3371,7 @@ static int canvas_base_init(CanvasBase *canvas, SpiceCanvasOps *ops,
canvas->surfaces = surfaces;
canvas->glz_data.decoder = glz_decoder;
canvas->jpeg = jpeg_decoder;
canvas->zlib = zlib_decoder;
canvas->format = format;

13
canvas_base.h
View File

@ -32,6 +32,7 @@ typedef struct _SpiceImageSurfaces SpiceImageSurfaces;
typedef struct _SpicePaletteCache SpicePaletteCache;
typedef struct _SpiceGlzDecoder SpiceGlzDecoder;
typedef struct _SpiceJpegDecoder SpiceJpegDecoder;
typedef struct _SpiceZlibDecoder SpiceZlibDecoder;
typedef struct _SpiceVirtMapping SpiceVirtMapping;
typedef struct _SpiceCanvas SpiceCanvas;
@ -107,6 +108,18 @@ struct _SpiceJpegDecoder {
SpiceJpegDecoderOps *ops;
};
typedef struct {
void (*decode)(SpiceZlibDecoder *decoder,
uint8_t *data,
int data_size,
uint8_t *dest,
int dest_size);
} SpiceZlibDecoderOps;
struct _SpiceZlibDecoder {
SpiceZlibDecoderOps *ops;
};
typedef struct {
void *(*get_virt)(SpiceVirtMapping *mapping, unsigned long addr, uint32_t add_size);
void (*validate_virt)(SpiceVirtMapping *mapping, unsigned long virt,

4
gdi_canvas.c
View File

@ -1851,6 +1851,7 @@ SpiceCanvas *gdi_canvas_create(int width, int height,
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
)
{
GdiCanvas *canvas;
@ -1870,7 +1871,8 @@ SpiceCanvas *gdi_canvas_create(int width, int height,
#endif
, surfaces
, glz_decoder
, jpeg_decoder);
, jpeg_decoder
, zlib_decoder);
canvas->dc = dc;
canvas->lock = lock;
return (SpiceCanvas *)canvas;

3
gdi_canvas.h
View File

@ -32,7 +32,8 @@ SpiceCanvas *gdi_canvas_create(int width, int height,
SpicePaletteCache *palette_cache,
SpiceImageSurfaces *surfaces,
SpiceGlzDecoder *glz_decoder,
SpiceJpegDecoder *jpeg_decoder);
SpiceJpegDecoder *jpeg_decoder,
SpiceZlibDecoder *zlib_decoder);
void gdi_canvas_init();

2
gl_canvas.c
View File

@ -817,6 +817,7 @@ SpiceCanvas *gl_canvas_create(int width, int height, uint32_t format
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif
@ -845,6 +846,7 @@ SpiceCanvas *gl_canvas_create(int width, int height, uint32_t format
, surfaces
, glz_decoder
, jpeg_decoder
, zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, virt_mapping
#endif

1
gl_canvas.h
View File

@ -31,6 +31,7 @@ SpiceCanvas *gl_canvas_create(int width, int height, uint32_t format
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif

6
sw_canvas.c
View File

@ -1172,6 +1172,7 @@ static SpiceCanvas *canvas_create_common(pixman_image_t *image,
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif
@ -1200,6 +1201,7 @@ static SpiceCanvas *canvas_create_common(pixman_image_t *image,
, surfaces
, glz_decoder
, jpeg_decoder
, zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, virt_mapping
#endif
@ -1222,6 +1224,7 @@ SpiceCanvas *canvas_create(int width, int height, uint32_t format
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif
@ -1242,6 +1245,7 @@ SpiceCanvas *canvas_create(int width, int height, uint32_t format
, surfaces
, glz_decoder
, jpeg_decoder
, zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, virt_mapping
#endif
@ -1259,6 +1263,7 @@ SpiceCanvas *canvas_create_for_data(int width, int height, uint32_t format,
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif
@ -1279,6 +1284,7 @@ SpiceCanvas *canvas_create_for_data(int width, int height, uint32_t format,
, surfaces
, glz_decoder
, jpeg_decoder
, zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, virt_mapping
#endif

2
sw_canvas.h
View File

@ -36,6 +36,7 @@ SpiceCanvas *canvas_create(int width, int height, uint32_t format
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif
@ -51,6 +52,7 @@ SpiceCanvas *canvas_create_for_data(int width, int height, uint32_t format, uint
, SpiceImageSurfaces *surfaces
, SpiceGlzDecoder *glz_decoder
, SpiceJpegDecoder *jpeg_decoder
, SpiceZlibDecoder *zlib_decoder
#ifndef SW_CANVAS_NO_CHUNKS
, SpiceVirtMapping *virt_mapping
#endif