parent
2bcb2fc1fd
commit
bf17130144
@ -1,216 +0,0 @@ |
|||||||
/*
|
|
||||||
* Copyright © 2012 Intel Corporation |
|
||||||
* |
|
||||||
* Permission to use, copy, modify, distribute, and sell this software and |
|
||||||
* its documentation for any purpose is hereby granted without fee, provided |
|
||||||
* that the above copyright notice appear in all copies and that both that |
|
||||||
* copyright notice and this permission notice appear in supporting |
|
||||||
* documentation, and that the name of the copyright holders not be used in |
|
||||||
* advertising or publicity pertaining to distribution of the software |
|
||||||
* without specific, written prior permission. The copyright holders make |
|
||||||
* no representations about the suitability of this software for any |
|
||||||
* purpose. It is provided "as is" without express or implied warranty. |
|
||||||
* |
|
||||||
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
|
||||||
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
|
||||||
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
|
||||||
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
|
||||||
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
|
||||||
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
|
||||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
|
||||||
*/ |
|
||||||
|
|
||||||
#include <stdlib.h> |
|
||||||
#include <stdio.h> |
|
||||||
#include <stdint.h> |
|
||||||
#include <sys/mman.h> |
|
||||||
#include <sys/mman.h> |
|
||||||
#include <sys/types.h> |
|
||||||
#include <sys/stat.h> |
|
||||||
#include <unistd.h> |
|
||||||
#include <string.h> |
|
||||||
#include <fcntl.h> |
|
||||||
|
|
||||||
#include <cairo.h> |
|
||||||
|
|
||||||
#define WCAP_HEADER_MAGIC 0x57434150 |
|
||||||
|
|
||||||
#define WCAP_FORMAT_XRGB8888 0x34325258 |
|
||||||
#define WCAP_FORMAT_XBGR8888 0x34324258 |
|
||||||
#define WCAP_FORMAT_RGBX8888 0x34325852 |
|
||||||
#define WCAP_FORMAT_BGRX8888 0x34325842 |
|
||||||
|
|
||||||
struct wcap_header { |
|
||||||
uint32_t magic; |
|
||||||
uint32_t format; |
|
||||||
uint32_t width, height; |
|
||||||
}; |
|
||||||
|
|
||||||
struct wcap_frame_header { |
|
||||||
uint32_t msecs; |
|
||||||
uint32_t nrects; |
|
||||||
}; |
|
||||||
|
|
||||||
struct wcap_rectangle { |
|
||||||
int32_t x1, y1, x2, y2; |
|
||||||
}; |
|
||||||
|
|
||||||
struct wcap_decoder { |
|
||||||
int fd; |
|
||||||
size_t size; |
|
||||||
void *map, *p, *end; |
|
||||||
uint32_t *frame; |
|
||||||
int width, height; |
|
||||||
}; |
|
||||||
|
|
||||||
static void |
|
||||||
wcap_decoder_decode_rectangle(struct wcap_decoder *decoder, |
|
||||||
struct wcap_rectangle *rect) |
|
||||||
{ |
|
||||||
uint32_t v, *p = decoder->p, *d; |
|
||||||
int width = rect->x2 - rect->x1, height = rect->y2 - rect->y1; |
|
||||||
int x, i, j, k, l, count = width * height; |
|
||||||
|
|
||||||
d = decoder->frame + (rect->y2 - 1) * decoder->width; |
|
||||||
x = rect->x1; |
|
||||||
i = 0; |
|
||||||
while (i < count) { |
|
||||||
v = *p++; |
|
||||||
l = v >> 24; |
|
||||||
if (l < 0xe0) { |
|
||||||
j = l + 1; |
|
||||||
} else { |
|
||||||
j = 1 << (l - 0xe0 + 7); |
|
||||||
} |
|
||||||
|
|
||||||
for (k = 0; k < j; k++) { |
|
||||||
d[x] = (d[x] + v) | 0xff000000; |
|
||||||
x++; |
|
||||||
if (x == rect->x2) { |
|
||||||
x = rect->x1; |
|
||||||
d -= decoder->width; |
|
||||||
} |
|
||||||
} |
|
||||||
i += j; |
|
||||||
} |
|
||||||
|
|
||||||
if (i != count) |
|
||||||
printf("rle encoding longer than expected (%d expected %d)\n", |
|
||||||
i, count); |
|
||||||
|
|
||||||
decoder->p = p; |
|
||||||
} |
|
||||||
|
|
||||||
static int |
|
||||||
wcap_decoder_get_frame(struct wcap_decoder *decoder) |
|
||||||
{ |
|
||||||
struct wcap_rectangle *rects; |
|
||||||
struct wcap_frame_header *header; |
|
||||||
uint32_t *s; |
|
||||||
uint32_t i; |
|
||||||
int width, height; |
|
||||||
|
|
||||||
if (decoder->p == decoder->end) |
|
||||||
return 0; |
|
||||||
|
|
||||||
header = decoder->p; |
|
||||||
|
|
||||||
rects = (void *) (header + 1); |
|
||||||
decoder->p = (uint32_t *) (rects + header->nrects); |
|
||||||
for (i = 0; i < header->nrects; i++) { |
|
||||||
width = rects[i].x2 - rects[i].x1; |
|
||||||
height = rects[i].y2 - rects[i].y1; |
|
||||||
wcap_decoder_decode_rectangle(decoder, &rects[i]); |
|
||||||
} |
|
||||||
|
|
||||||
return 1; |
|
||||||
} |
|
||||||
|
|
||||||
struct wcap_decoder * |
|
||||||
wcap_decoder_create(const char *filename) |
|
||||||
{ |
|
||||||
struct wcap_decoder *decoder; |
|
||||||
struct wcap_header *header; |
|
||||||
int frame_size; |
|
||||||
struct stat buf; |
|
||||||
|
|
||||||
decoder = malloc(sizeof *decoder); |
|
||||||
if (decoder == NULL) |
|
||||||
return NULL; |
|
||||||
|
|
||||||
decoder->fd = open(filename, O_RDONLY); |
|
||||||
if (decoder->fd == -1) |
|
||||||
return NULL; |
|
||||||
|
|
||||||
fstat(decoder->fd, &buf); |
|
||||||
decoder->size = buf.st_size; |
|
||||||
decoder->map = mmap(NULL, decoder->size, |
|
||||||
PROT_READ, MAP_PRIVATE, decoder->fd, 0); |
|
||||||
|
|
||||||
header = decoder->map; |
|
||||||
decoder->width = header->width; |
|
||||||
decoder->height = header->height; |
|
||||||
decoder->p = header + 1; |
|
||||||
decoder->end = decoder->map + decoder->size; |
|
||||||
|
|
||||||
frame_size = header->width * header->height * 4; |
|
||||||
decoder->frame = malloc(frame_size); |
|
||||||
memset(decoder->frame, 0, frame_size); |
|
||||||
|
|
||||||
return decoder; |
|
||||||
} |
|
||||||
|
|
||||||
void |
|
||||||
wcap_decoder_destroy(struct wcap_decoder *decoder) |
|
||||||
{ |
|
||||||
munmap(decoder->map, decoder->size); |
|
||||||
free(decoder->frame); |
|
||||||
free(decoder); |
|
||||||
} |
|
||||||
|
|
||||||
static void |
|
||||||
write_png(struct wcap_decoder *decoder, const char *filename) |
|
||||||
{ |
|
||||||
cairo_surface_t *surface; |
|
||||||
|
|
||||||
surface = cairo_image_surface_create_for_data((unsigned char *) decoder->frame, |
|
||||||
CAIRO_FORMAT_ARGB32, |
|
||||||
decoder->width, |
|
||||||
decoder->height, |
|
||||||
decoder->width * 4); |
|
||||||
cairo_surface_write_to_png(surface, filename); |
|
||||||
cairo_surface_destroy(surface); |
|
||||||
} |
|
||||||
|
|
||||||
int main(int argc, char *argv[]) |
|
||||||
{ |
|
||||||
struct wcap_decoder *decoder; |
|
||||||
int i, output_frame; |
|
||||||
char filename[200]; |
|
||||||
|
|
||||||
if (argc != 2 && argc != 3) { |
|
||||||
fprintf(stderr, "usage: wcap-decode WCAP_FILE [FRAME]\n"); |
|
||||||
return 1; |
|
||||||
}
|
|
||||||
|
|
||||||
decoder = wcap_decoder_create(argv[1]); |
|
||||||
output_frame = -1; |
|
||||||
if (argc == 3) |
|
||||||
output_frame = strtol(argv[2], NULL, 0); |
|
||||||
|
|
||||||
i = 0; |
|
||||||
while (wcap_decoder_get_frame(decoder)) { |
|
||||||
if (i == output_frame) { |
|
||||||
snprintf(filename, sizeof filename, |
|
||||||
"wcap-frame-%d.png", i); |
|
||||||
write_png(decoder, filename); |
|
||||||
printf("wrote %s\n", filename); |
|
||||||
} |
|
||||||
i++; |
|
||||||
} |
|
||||||
|
|
||||||
printf("wcap file: size %dx%d, %d frames\n", |
|
||||||
decoder->width, decoder->height, i); |
|
||||||
|
|
||||||
wcap_decoder_destroy(decoder); |
|
||||||
} |
|
@ -0,0 +1,83 @@ |
|||||||
|
/*
|
||||||
|
* Copyright © 2012 Intel Corporation |
||||||
|
* |
||||||
|
* Permission to use, copy, modify, distribute, and sell this software and |
||||||
|
* its documentation for any purpose is hereby granted without fee, provided |
||||||
|
* that the above copyright notice appear in all copies and that both that |
||||||
|
* copyright notice and this permission notice appear in supporting |
||||||
|
* documentation, and that the name of the copyright holders not be used in |
||||||
|
* advertising or publicity pertaining to distribution of the software |
||||||
|
* without specific, written prior permission. The copyright holders make |
||||||
|
* no representations about the suitability of this software for any |
||||||
|
* purpose. It is provided "as is" without express or implied warranty. |
||||||
|
* |
||||||
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
||||||
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
||||||
|
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
||||||
|
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
||||||
|
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
||||||
|
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
||||||
|
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
||||||
|
*/ |
||||||
|
|
||||||
|
#include <stdlib.h> |
||||||
|
#include <stdio.h> |
||||||
|
#include <stdint.h> |
||||||
|
#include <sys/mman.h> |
||||||
|
#include <sys/mman.h> |
||||||
|
#include <sys/types.h> |
||||||
|
#include <sys/stat.h> |
||||||
|
#include <unistd.h> |
||||||
|
#include <string.h> |
||||||
|
#include <fcntl.h> |
||||||
|
|
||||||
|
#include <cairo.h> |
||||||
|
|
||||||
|
#include "wcap-decode.h" |
||||||
|
|
||||||
|
static void |
||||||
|
write_png(struct wcap_decoder *decoder, const char *filename) |
||||||
|
{ |
||||||
|
cairo_surface_t *surface; |
||||||
|
|
||||||
|
surface = cairo_image_surface_create_for_data((unsigned char *) decoder->frame, |
||||||
|
CAIRO_FORMAT_ARGB32, |
||||||
|
decoder->width, |
||||||
|
decoder->height, |
||||||
|
decoder->width * 4); |
||||||
|
cairo_surface_write_to_png(surface, filename); |
||||||
|
cairo_surface_destroy(surface); |
||||||
|
} |
||||||
|
|
||||||
|
int main(int argc, char *argv[]) |
||||||
|
{ |
||||||
|
struct wcap_decoder *decoder; |
||||||
|
int i, output_frame; |
||||||
|
char filename[200]; |
||||||
|
|
||||||
|
if (argc != 2 && argc != 3) { |
||||||
|
fprintf(stderr, "usage: wcap-snapshot WCAP_FILE [FRAME]\n"); |
||||||
|
return 1; |
||||||
|
} |
||||||
|
|
||||||
|
decoder = wcap_decoder_create(argv[1]); |
||||||
|
output_frame = -1; |
||||||
|
if (argc == 3) |
||||||
|
output_frame = strtol(argv[2], NULL, 0); |
||||||
|
|
||||||
|
i = 0; |
||||||
|
while (wcap_decoder_get_frame(decoder)) { |
||||||
|
if (i == output_frame) { |
||||||
|
snprintf(filename, sizeof filename, |
||||||
|
"wcap-frame-%d.png", i); |
||||||
|
write_png(decoder, filename); |
||||||
|
printf("wrote %s\n", filename); |
||||||
|
} |
||||||
|
i++; |
||||||
|
} |
||||||
|
|
||||||
|
printf("wcap file: size %dx%d, %d frames\n", |
||||||
|
decoder->width, decoder->height, i); |
||||||
|
|
||||||
|
wcap_decoder_destroy(decoder); |
||||||
|
} |
Loading…
Reference in new issue