wcap: Move old wcap-encode to wcap/ as wcap-snapshot
This commit is contained in:
Kristian Høgsberg
parent
2bcb2fc1fd
commit
bf17130144
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@ -1,12 +1,5 @@
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bin_PROGRAMS = weston \
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$(weston_launch) \
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wcap-decode
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wcap_decode_SOURCES = \
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wcap-decode.c
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wcap_decode_CFLAGS = $(CAIRO_EGL_CFLAGS)
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wcap_decode_LDADD = $(CAIRO_EGL_LIBS)
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$(weston_launch)
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AM_CPPFLAGS = \
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-DDATADIR='"$(datadir)"' \
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@ -1,216 +0,0 @@
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/*
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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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#define WCAP_HEADER_MAGIC 0x57434150
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#define WCAP_FORMAT_XRGB8888 0x34325258
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#define WCAP_FORMAT_XBGR8888 0x34324258
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#define WCAP_FORMAT_RGBX8888 0x34325852
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#define WCAP_FORMAT_BGRX8888 0x34325842
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struct wcap_header {
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uint32_t magic;
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uint32_t format;
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uint32_t width, height;
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};
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struct wcap_frame_header {
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uint32_t msecs;
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uint32_t nrects;
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};
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struct wcap_rectangle {
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int32_t x1, y1, x2, y2;
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};
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struct wcap_decoder {
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int fd;
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size_t size;
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void *map, *p, *end;
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uint32_t *frame;
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int width, height;
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};
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static void
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wcap_decoder_decode_rectangle(struct wcap_decoder *decoder,
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struct wcap_rectangle *rect)
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{
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uint32_t v, *p = decoder->p, *d;
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int width = rect->x2 - rect->x1, height = rect->y2 - rect->y1;
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int x, i, j, k, l, count = width * height;
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d = decoder->frame + (rect->y2 - 1) * decoder->width;
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x = rect->x1;
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i = 0;
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while (i < count) {
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v = *p++;
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l = v >> 24;
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if (l < 0xe0) {
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j = l + 1;
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} else {
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j = 1 << (l - 0xe0 + 7);
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}
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for (k = 0; k < j; k++) {
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d[x] = (d[x] + v) | 0xff000000;
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x++;
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if (x == rect->x2) {
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x = rect->x1;
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d -= decoder->width;
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}
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}
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i += j;
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}
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if (i != count)
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printf("rle encoding longer than expected (%d expected %d)\n",
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i, count);
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decoder->p = p;
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}
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static int
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wcap_decoder_get_frame(struct wcap_decoder *decoder)
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{
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struct wcap_rectangle *rects;
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struct wcap_frame_header *header;
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uint32_t *s;
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uint32_t i;
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int width, height;
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if (decoder->p == decoder->end)
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return 0;
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header = decoder->p;
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rects = (void *) (header + 1);
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decoder->p = (uint32_t *) (rects + header->nrects);
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for (i = 0; i < header->nrects; i++) {
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width = rects[i].x2 - rects[i].x1;
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height = rects[i].y2 - rects[i].y1;
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wcap_decoder_decode_rectangle(decoder, &rects[i]);
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}
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return 1;
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}
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struct wcap_decoder *
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wcap_decoder_create(const char *filename)
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{
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struct wcap_decoder *decoder;
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struct wcap_header *header;
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int frame_size;
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struct stat buf;
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decoder = malloc(sizeof *decoder);
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if (decoder == NULL)
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return NULL;
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decoder->fd = open(filename, O_RDONLY);
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if (decoder->fd == -1)
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return NULL;
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fstat(decoder->fd, &buf);
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decoder->size = buf.st_size;
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decoder->map = mmap(NULL, decoder->size,
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PROT_READ, MAP_PRIVATE, decoder->fd, 0);
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header = decoder->map;
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decoder->width = header->width;
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decoder->height = header->height;
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decoder->p = header + 1;
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decoder->end = decoder->map + decoder->size;
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frame_size = header->width * header->height * 4;
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decoder->frame = malloc(frame_size);
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memset(decoder->frame, 0, frame_size);
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return decoder;
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}
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void
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wcap_decoder_destroy(struct wcap_decoder *decoder)
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{
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munmap(decoder->map, decoder->size);
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free(decoder->frame);
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free(decoder);
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}
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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-decode 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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}
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@ -0,0 +1,83 @@
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/*
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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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}
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