85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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* Copyright © 2012 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/mman.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <cairo.h>
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#include "wcap-decode.h"
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static void
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write_png(struct wcap_decoder *decoder, const char *filename)
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{
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cairo_surface_t *surface;
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surface = cairo_image_surface_create_for_data((unsigned char *) decoder->frame,
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CAIRO_FORMAT_ARGB32,
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decoder->width,
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decoder->height,
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decoder->width * 4);
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cairo_surface_write_to_png(surface, filename);
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cairo_surface_destroy(surface);
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}
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int main(int argc, char *argv[])
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{
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struct wcap_decoder *decoder;
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int i, output_frame;
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char filename[200];
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if (argc != 2 && argc != 3) {
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fprintf(stderr, "usage: wcap-snapshot WCAP_FILE [FRAME]\n");
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return 1;
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}
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decoder = wcap_decoder_create(argv[1]);
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output_frame = -1;
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if (argc == 3)
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output_frame = strtol(argv[2], NULL, 0);
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i = 0;
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while (wcap_decoder_get_frame(decoder)) {
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if (i == output_frame) {
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snprintf(filename, sizeof filename,
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"wcap-frame-%d.png", i);
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write_png(decoder, filename);
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printf("wrote %s\n", filename);
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}
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i++;
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}
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printf("wcap file: size %dx%d, %d frames\n",
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decoder->width, decoder->height, i);
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wcap_decoder_destroy(decoder);
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return EXIT_SUCCESS;
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}
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