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https://github.com/ZDoom/Raze.git
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a418bec8c2
- Eliminate use of the C++ standard library from arttool. I improved some of the program's workings but it continues to corrupt my art files in certain circumstances. (Note: Not a regression; it happens with previous revisions.) - Construct "make utils" for the game side following the pattern of the engine. - Move ivfrate to this new distinction. - Minor Makefile cleanup and tweaks, mainly to facilitate CLANG=1 and to formalize text output in special cases. git-svn-id: https://svn.eduke32.com/eduke32@3163 1a8010ca-5511-0410-912e-c29ae57300e0
127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdint.h>
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#define Bmemcmp memcmp
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#ifndef USE_OPENGL
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# define USE_OPENGL
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#endif
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#define ANIMVPX_STANDALONE
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#include "animvpx.h"
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static void print_info(const char *prefix, const animvpx_ivf_header_t *hdr)
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{
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printf("%s%d x %d, %d frames @ %d frames / %d seconds (%.3f fps%s)\n", prefix,
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hdr->width, hdr->height, hdr->numframes, hdr->fpsnumer, hdr->fpsdenom,
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(hdr->fpsdenom==0 ? 0 : (double)hdr->fpsnumer/hdr->fpsdenom),
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hdr->fpsnumer>=1000 ? " --> 30 fps" : "");
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}
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int main(int argc, char **argv)
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{
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int fd, dowrite, err;
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animvpx_ivf_header_t hdr;
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union { uint16_t i; char c[2]; } u;
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u.c[0] = 1;
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u.c[1] = 0;
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if (u.i != 1)
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{
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fprintf(stderr, "This program is only for little-endian machines.\n");
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return 255;
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}
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if (argc != 2 && argc != 4 && argc != 5)
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{
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fprintf(stderr, "Usage: %s <file.ivf> [<fpsnumerator> <fpsdenominator> [-force]]\n"
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" Without -force, <fpsnumerator> must be < 1000.\n"
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" If <fpsnumerator> is >= 1000, the actual frame rate\n"
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" is set to 30 fps on playback.\n",
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argv[0]);
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return 1;
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}
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dowrite = (argc >= 4);
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fd = open(argv[1], dowrite ? O_RDWR : O_RDONLY);
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if (fd < 0)
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{
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fprintf(stderr, "Could't open \"%s\" for: %s\n",
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dowrite ? "reading/writing":"reading", strerror(errno));
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return 2;
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}
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if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
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{
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fprintf(stderr, "Couldn't read IVF header: %s\n", strerror(errno));
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return 3;
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}
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err = animvpx_check_header(&hdr);
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if (err)
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{
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fprintf(stderr, "Header check failed with code %d (not an IVF file?)\n", err);
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return 4;
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}
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if (!dowrite)
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{
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print_info("", &hdr);
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}
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else
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{
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unsigned long numer = strtoul(argv[2], NULL, 10);
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unsigned long denom = strtoul(argv[3], NULL, 10);
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uint32_t numer32=numer, denom32=denom;
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const int NUMER_OFS = 16; //offsetof(animvpx_ivf_header_t, fpsnumer);
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if (denom == 0)
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{
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fprintf(stderr, "FPS denominator must not be zero!\n");
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return 4;
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}
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if (numer >= 1000 && (argc!=5 || strcmp(argv[4], "-force")))
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{
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fprintf(stderr, "FPS numerator must be < 1000, or -force must be passed as 5th arg.\n");
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return 5;
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}
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if (numer32 != numer || denom32 != denom)
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{
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fprintf(stderr, "Out of range number passed.\n");
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return 6;
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}
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print_info("Old: ", &hdr);
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hdr.fpsnumer = numer32;
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hdr.fpsdenom = denom32;
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print_info("New: ", &hdr);
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if (lseek(fd, NUMER_OFS, SEEK_SET) != NUMER_OFS)
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{
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fprintf(stderr, "lseek failed: %s\n", strerror(errno));
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return 7;
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}
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err = 0;
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err |= (write(fd, &numer32, 4) != 4);
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err |= (write(fd, &denom32, 4) != 4);
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if (err)
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{
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fprintf(stderr, "Warning: data not fully written.\n");
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return 8;
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}
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}
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return 0;
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}
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