mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
tools: K&R reformatting cosmetics
This commit is contained in:
Diego Biurrun
parent
50639cbefe
commit
4e81b5f517
@ -21,6 +21,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "libavformat/avformat.h"
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static int usage(const char *argv0, int ret)
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@ -80,13 +81,14 @@ int main(int argc, char **argv)
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stream_pos += n;
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if (bps) {
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avio_flush(output);
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while ((av_gettime() - start_time)*bps/AV_TIME_BASE < stream_pos)
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usleep(50*1000);
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while ((av_gettime() - start_time) * bps / AV_TIME_BASE < stream_pos)
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usleep(50 * 1000);
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}
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}
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avio_flush(output);
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avio_close(output);
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fail:
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avio_close(input);
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avformat_network_deinit();
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@ -26,46 +26,42 @@ int main(int argc, char *argv[])
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z_stream zstream;
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struct stat statbuf;
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if (argc < 3)
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{
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if (argc < 3) {
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printf("Usage: %s <infile.swf> <outfile.swf>\n", argv[0]);
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return 1;
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}
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fd_in = open(argv[1], O_RDONLY);
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if (fd_in < 0)
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{
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if (fd_in < 0) {
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perror("Error opening input file");
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return 1;
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}
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fd_out = open(argv[2], O_WRONLY|O_CREAT, 00644);
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if (fd_out < 0)
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{
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fd_out = open(argv[2], O_WRONLY | O_CREAT, 00644);
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if (fd_out < 0) {
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perror("Error opening output file");
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close(fd_in);
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return 1;
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}
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if (read(fd_in, &buf_in, 8) != 8)
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{
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if (read(fd_in, &buf_in, 8) != 8) {
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printf("Header error\n");
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close(fd_in);
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close(fd_out);
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return 1;
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}
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if (buf_in[0] != 'C' || buf_in[1] != 'W' || buf_in[2] != 'S')
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{
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if (buf_in[0] != 'C' || buf_in[1] != 'W' || buf_in[2] != 'S') {
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printf("Not a compressed flash file\n");
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return 1;
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}
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fstat(fd_in, &statbuf);
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comp_len = statbuf.st_size;
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comp_len = statbuf.st_size;
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uncomp_len = buf_in[4] | (buf_in[5] << 8) | (buf_in[6] << 16) | (buf_in[7] << 24);
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printf("Compressed size: %d Uncompressed size: %d\n", comp_len-4, uncomp_len-4);
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printf("Compressed size: %d Uncompressed size: %d\n",
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comp_len - 4, uncomp_len - 4);
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// write out modified header
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buf_in[0] = 'F';
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@ -75,36 +71,35 @@ int main(int argc, char *argv[])
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}
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zstream.zalloc = NULL;
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zstream.zfree = NULL;
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zstream.zfree = NULL;
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zstream.opaque = NULL;
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inflateInit(&zstream);
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for (i = 0; i < comp_len-8;)
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{
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for (i = 0; i < comp_len - 8;) {
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int ret, len = read(fd_in, &buf_in, 1024);
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dbgprintf("read %d bytes\n", len);
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last_out = zstream.total_out;
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zstream.next_in = &buf_in[0];
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zstream.avail_in = len;
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zstream.next_out = &buf_out[0];
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zstream.next_in = &buf_in[0];
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zstream.avail_in = len;
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zstream.next_out = &buf_out[0];
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zstream.avail_out = 65536;
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ret = inflate(&zstream, Z_SYNC_FLUSH);
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if (ret != Z_STREAM_END && ret != Z_OK)
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{
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if (ret != Z_STREAM_END && ret != Z_OK) {
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printf("Error while decompressing: %d\n", ret);
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inflateEnd(&zstream);
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return 1;
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}
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dbgprintf("a_in: %d t_in: %lu a_out: %d t_out: %lu -- %lu out\n",
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zstream.avail_in, zstream.total_in, zstream.avail_out, zstream.total_out,
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zstream.total_out-last_out);
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zstream.avail_in, zstream.total_in, zstream.avail_out,
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zstream.total_out, zstream.total_out - last_out);
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if (write(fd_out, &buf_out, zstream.total_out - last_out) < zstream.total_out - last_out) {
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if (write(fd_out, &buf_out, zstream.total_out - last_out) <
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zstream.total_out - last_out) {
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perror("Error writing output file");
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return 1;
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}
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@ -115,15 +110,14 @@ int main(int argc, char *argv[])
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break;
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}
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if (zstream.total_out != uncomp_len-8)
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{
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if (zstream.total_out != uncomp_len - 8) {
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printf("Size mismatch (%lu != %d), updating header...\n",
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zstream.total_out, uncomp_len-8);
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zstream.total_out, uncomp_len - 8);
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buf_in[0] = (zstream.total_out+8) & 0xff;
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buf_in[1] = ((zstream.total_out+8) >> 8) & 0xff;
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buf_in[2] = ((zstream.total_out+8) >> 16) & 0xff;
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buf_in[3] = ((zstream.total_out+8) >> 24) & 0xff;
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buf_in[0] = (zstream.total_out + 8) & 0xff;
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buf_in[1] = ((zstream.total_out + 8) >> 8) & 0xff;
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buf_in[2] = ((zstream.total_out + 8) >> 16) & 0xff;
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buf_in[3] = ((zstream.total_out + 8) >> 24) & 0xff;
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lseek(fd_out, 4, SEEK_SET);
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if (write(fd_out, &buf_in, 4) < 4) {
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@ -63,19 +63,25 @@ static void print_digraph(FILE *outfile, AVFilterGraph *graph)
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char dst_filter_ctx_label[128];
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const AVFilterContext *dst_filter_ctx = link->dst;
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snprintf(dst_filter_ctx_label, sizeof(dst_filter_ctx_label), "%s (%s)",
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snprintf(dst_filter_ctx_label, sizeof(dst_filter_ctx_label),
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"%s (%s)",
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dst_filter_ctx->name,
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dst_filter_ctx->filter->name);
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fprintf(outfile, "\"%s\" -> \"%s\"", filter_ctx_label, dst_filter_ctx_label);
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fprintf(outfile, "\"%s\" -> \"%s\"",
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filter_ctx_label, dst_filter_ctx_label);
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if (link->type == AVMEDIA_TYPE_VIDEO) {
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fprintf(outfile, " [ label= \"fmt:%s w:%d h:%d tb:%d/%d\" ]",
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fprintf(outfile,
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" [ label= \"fmt:%s w:%d h:%d tb:%d/%d\" ]",
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av_pix_fmt_descriptors[link->format].name,
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link->w, link->h, link->time_base.num, link->time_base.den);
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link->w, link->h, link->time_base.num,
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link->time_base.den);
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} else if (link->type == AVMEDIA_TYPE_AUDIO) {
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char buf[255];
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av_get_channel_layout_string(buf, sizeof(buf), -1, link->channel_layout);
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fprintf(outfile, " [ label= \"fmt:%s sr:%"PRId64" cl:%s\" ]",
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av_get_channel_layout_string(buf, sizeof(buf), -1,
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link->channel_layout);
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fprintf(outfile,
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" [ label= \"fmt:%s sr:%"PRId64 " cl:%s\" ]",
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av_get_sample_fmt_name(link->format),
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link->sample_rate, buf);
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}
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@ -89,17 +95,17 @@ static void print_digraph(FILE *outfile, AVFilterGraph *graph)
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int main(int argc, char **argv)
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{
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const char *outfilename = NULL;
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const char *infilename = NULL;
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FILE *outfile = NULL;
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FILE *infile = NULL;
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char *graph_string = NULL;
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const char *infilename = NULL;
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FILE *outfile = NULL;
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FILE *infile = NULL;
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char *graph_string = NULL;
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AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
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char c;
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av_log_set_level(AV_LOG_DEBUG);
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while ((c = getopt(argc, argv, "hi:o:")) != -1) {
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switch(c) {
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switch (c) {
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case 'h':
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usage();
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return 0;
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@ -118,7 +124,8 @@ int main(int argc, char **argv)
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infilename = "/dev/stdin";
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infile = fopen(infilename, "r");
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if (!infile) {
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fprintf(stderr, "Impossible to open input file '%s': %s\n", infilename, strerror(errno));
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fprintf(stderr, "Impossible to open input file '%s': %s\n",
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infilename, strerror(errno));
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return 1;
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}
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@ -126,7 +133,8 @@ int main(int argc, char **argv)
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outfilename = "/dev/stdout";
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outfile = fopen(outfilename, "w");
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if (!outfile) {
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fprintf(stderr, "Impossible to open output file '%s': %s\n", outfilename, strerror(errno));
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fprintf(stderr, "Impossible to open output file '%s': %s\n",
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outfilename, strerror(errno));
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return 1;
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}
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@ -141,7 +149,7 @@ int main(int argc, char **argv)
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struct line *new_line = av_malloc(sizeof(struct line));
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count += strlen(last_line->data);
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last_line->next = new_line;
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last_line = new_line;
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last_line = new_line;
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}
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last_line->next = NULL;
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@ -35,6 +35,7 @@
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include "libavformat/avformat.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mathematics.h"
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@ -82,7 +83,7 @@ static int copy_tag(AVIOContext *in, AVIOContext *out, int32_t tag_name)
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int32_t size, tag;
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size = avio_rb32(in);
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tag = avio_rb32(in);
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tag = avio_rb32(in);
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avio_wb32(out, size);
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avio_wb32(out, tag);
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if (tag != tag_name)
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@ -123,7 +124,7 @@ static int write_fragments(struct VideoFiles *files, int start_index,
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for (i = start_index; i < files->nb_files; i++) {
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struct VideoFile *vf = files->files[i];
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const char *type = vf->is_video ? "video" : "audio";
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const char *type = vf->is_video ? "video" : "audio";
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snprintf(dirname, sizeof(dirname), "QualityLevels(%d)", vf->bitrate);
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mkdir(dirname, 0777);
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for (j = 0; j < vf->chunks; j++) {
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@ -140,7 +141,7 @@ static int read_tfra(struct VideoFiles *files, int start_index, AVIOContext *f)
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{
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int ret = AVERROR_EOF, track_id;
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int version, fieldlength, i, j;
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int64_t pos = avio_tell(f);
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int64_t pos = avio_tell(f);
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uint32_t size = avio_rb32(f);
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struct VideoFile *vf = NULL;
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@ -149,17 +150,16 @@ static int read_tfra(struct VideoFiles *files, int start_index, AVIOContext *f)
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version = avio_r8(f);
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avio_rb24(f);
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track_id = avio_rb32(f); /* track id */
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for (i = start_index; i < files->nb_files && !vf; i++) {
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for (i = start_index; i < files->nb_files && !vf; i++)
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if (files->files[i]->track_id == track_id)
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vf = files->files[i];
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}
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if (!vf) {
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/* Ok, continue parsing the next atom */
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ret = 0;
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goto fail;
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}
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fieldlength = avio_rb32(f);
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vf->chunks = avio_rb32(f);
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vf->chunks = avio_rb32(f);
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vf->offsets = av_mallocz(sizeof(*vf->offsets) * vf->chunks);
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if (!vf->offsets) {
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ret = AVERROR(ENOMEM);
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@ -167,10 +167,10 @@ static int read_tfra(struct VideoFiles *files, int start_index, AVIOContext *f)
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}
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for (i = 0; i < vf->chunks; i++) {
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if (version == 1) {
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vf->offsets[i].time = avio_rb64(f);
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vf->offsets[i].time = avio_rb64(f);
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vf->offsets[i].offset = avio_rb64(f);
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} else {
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vf->offsets[i].time = avio_rb32(f);
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vf->offsets[i].time = avio_rb32(f);
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vf->offsets[i].offset = avio_rb32(f);
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}
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for (j = 0; j < ((fieldlength >> 4) & 3) + 1; j++)
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@ -187,6 +187,7 @@ static int read_tfra(struct VideoFiles *files, int start_index, AVIOContext *f)
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vf->offsets[vf->chunks - 1].duration = vf->duration -
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vf->offsets[vf->chunks - 1].time;
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ret = 0;
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fail:
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avio_seek(f, pos + size, SEEK_SET);
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return ret;
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@ -224,7 +225,7 @@ fail:
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static int get_private_data(struct VideoFile *vf, AVCodecContext *codec)
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{
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vf->codec_private_size = codec->extradata_size;
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vf->codec_private = av_mallocz(codec->extradata_size);
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vf->codec_private = av_mallocz(codec->extradata_size);
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if (!vf->codec_private)
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return AVERROR(ENOMEM);
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memcpy(vf->codec_private, codec->extradata, codec->extradata_size);
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@ -254,6 +255,7 @@ static int get_video_private_data(struct VideoFile *vf, AVCodecContext *codec)
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avio_wb32(io, 0x00000001);
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avio_write(io, &codec->extradata[11 + sps_size], pps_size);
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err = 0;
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fail:
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vf->codec_private_size = avio_close_dyn_buf(io, &vf->codec_private);
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return err;
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@ -291,24 +293,25 @@ static int handle_file(struct VideoFiles *files, const char *file, int split)
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AVStream *st = ctx->streams[i];
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vf = av_mallocz(sizeof(*vf));
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files->files = av_realloc(files->files,
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sizeof(*files->files)*(files->nb_files + 1));
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sizeof(*files->files) * (files->nb_files + 1));
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files->files[files->nb_files] = vf;
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vf->name = file;
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if ((ptr = strrchr(file, '/')) != NULL)
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vf->name = ptr + 1;
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vf->bitrate = st->codec->bit_rate;
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vf->track_id = st->id;
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vf->bitrate = st->codec->bit_rate;
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vf->track_id = st->id;
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vf->timescale = st->time_base.den;
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vf->duration = av_rescale_rnd(ctx->duration, vf->timescale,
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AV_TIME_BASE, AV_ROUND_UP);
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vf->is_audio = st->codec->codec_type == AVMEDIA_TYPE_AUDIO;
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vf->is_video = st->codec->codec_type == AVMEDIA_TYPE_VIDEO;
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vf->duration = av_rescale_rnd(ctx->duration, vf->timescale,
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AV_TIME_BASE, AV_ROUND_UP);
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vf->is_audio = st->codec->codec_type == AVMEDIA_TYPE_AUDIO;
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vf->is_video = st->codec->codec_type == AVMEDIA_TYPE_VIDEO;
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if (!vf->is_audio && !vf->is_video) {
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fprintf(stderr, "Track %d in %s is neither video nor audio, "
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"skipping\n", vf->track_id, file);
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fprintf(stderr,
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"Track %d in %s is neither video nor audio, skipping\n",
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vf->track_id, file);
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av_freep(&files->files[files->nb_files]);
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continue;
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}
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@ -317,15 +320,15 @@ static int handle_file(struct VideoFiles *files, const char *file, int split)
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if (files->audio_file < 0)
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files->audio_file = files->nb_files;
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files->nb_audio_files++;
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vf->channels = st->codec->channels;
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vf->channels = st->codec->channels;
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vf->sample_rate = st->codec->sample_rate;
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if (st->codec->codec_id == CODEC_ID_AAC) {
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vf->fourcc = "AACL";
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vf->tag = 255;
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vf->fourcc = "AACL";
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vf->tag = 255;
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vf->blocksize = 4;
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} else if (st->codec->codec_id == CODEC_ID_WMAPRO) {
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vf->fourcc = "WMAP";
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vf->tag = st->codec->codec_tag;
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vf->fourcc = "WMAP";
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vf->tag = st->codec->codec_tag;
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vf->blocksize = st->codec->block_align;
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}
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get_private_data(vf, st->codec);
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@ -334,7 +337,7 @@ static int handle_file(struct VideoFiles *files, const char *file, int split)
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if (files->video_file < 0)
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files->video_file = files->nb_files;
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files->nb_video_files++;
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vf->width = st->codec->width;
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vf->width = st->codec->width;
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vf->height = st->codec->height;
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if (st->codec->codec_id == CODEC_ID_H264)
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vf->fourcc = "H264";
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@ -379,7 +382,7 @@ static void output_server_manifest(struct VideoFiles *files,
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fprintf(out, "\t\t<switch>\n");
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for (i = 0; i < files->nb_files; i++) {
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struct VideoFile *vf = files->files[i];
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const char *type = vf->is_video ? "video" : "audio";
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const char *type = vf->is_video ? "video" : "audio";
|
||||
fprintf(out, "\t\t\t<%s src=\"%s\" systemBitrate=\"%d\">\n",
|
||||
type, vf->name, vf->bitrate);
|
||||
fprintf(out, "\t\t\t\t<param name=\"trackID\" value=\"%d\" "
|
||||
@ -410,22 +413,24 @@ static void output_client_manifest(struct VideoFiles *files,
|
||||
}
|
||||
fprintf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
|
||||
fprintf(out, "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" "
|
||||
"Duration=\"%"PRId64"\">\n", files->duration * 10);
|
||||
"Duration=\"%"PRId64 "\">\n", files->duration * 10);
|
||||
if (files->video_file >= 0) {
|
||||
struct VideoFile *vf = files->files[files->video_file];
|
||||
int index = 0;
|
||||
fprintf(out, "\t<StreamIndex Type=\"video\" QualityLevels=\"%d\" "
|
||||
"Chunks=\"%d\" "
|
||||
"Url=\"QualityLevels({bitrate})/Fragments(video={start time})\">\n",
|
||||
files->nb_video_files, vf->chunks);
|
||||
fprintf(out,
|
||||
"\t<StreamIndex Type=\"video\" QualityLevels=\"%d\" "
|
||||
"Chunks=\"%d\" "
|
||||
"Url=\"QualityLevels({bitrate})/Fragments(video={start time})\">\n",
|
||||
files->nb_video_files, vf->chunks);
|
||||
for (i = 0; i < files->nb_files; i++) {
|
||||
vf = files->files[i];
|
||||
if (!vf->is_video)
|
||||
continue;
|
||||
fprintf(out, "\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" "
|
||||
"FourCC=\"%s\" MaxWidth=\"%d\" MaxHeight=\"%d\" "
|
||||
"CodecPrivateData=\"",
|
||||
index, vf->bitrate, vf->fourcc, vf->width, vf->height);
|
||||
fprintf(out,
|
||||
"\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" "
|
||||
"FourCC=\"%s\" MaxWidth=\"%d\" MaxHeight=\"%d\" "
|
||||
"CodecPrivateData=\"",
|
||||
index, vf->bitrate, vf->fourcc, vf->width, vf->height);
|
||||
for (j = 0; j < vf->codec_private_size; j++)
|
||||
fprintf(out, "%02X", vf->codec_private[j]);
|
||||
fprintf(out, "\" />\n");
|
||||
@ -440,20 +445,22 @@ static void output_client_manifest(struct VideoFiles *files,
|
||||
if (files->audio_file >= 0) {
|
||||
struct VideoFile *vf = files->files[files->audio_file];
|
||||
int index = 0;
|
||||
fprintf(out, "\t<StreamIndex Type=\"audio\" QualityLevels=\"%d\" "
|
||||
"Chunks=\"%d\" "
|
||||
"Url=\"QualityLevels({bitrate})/Fragments(audio={start time})\">\n",
|
||||
files->nb_audio_files, vf->chunks);
|
||||
fprintf(out,
|
||||
"\t<StreamIndex Type=\"audio\" QualityLevels=\"%d\" "
|
||||
"Chunks=\"%d\" "
|
||||
"Url=\"QualityLevels({bitrate})/Fragments(audio={start time})\">\n",
|
||||
files->nb_audio_files, vf->chunks);
|
||||
for (i = 0; i < files->nb_files; i++) {
|
||||
vf = files->files[i];
|
||||
if (!vf->is_audio)
|
||||
continue;
|
||||
fprintf(out, "\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" "
|
||||
"FourCC=\"%s\" SamplingRate=\"%d\" Channels=\"%d\" "
|
||||
"BitsPerSample=\"16\" PacketSize=\"%d\" "
|
||||
"AudioTag=\"%d\" CodecPrivateData=\"",
|
||||
index, vf->bitrate, vf->fourcc, vf->sample_rate,
|
||||
vf->channels, vf->blocksize, vf->tag);
|
||||
fprintf(out,
|
||||
"\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" "
|
||||
"FourCC=\"%s\" SamplingRate=\"%d\" Channels=\"%d\" "
|
||||
"BitsPerSample=\"16\" PacketSize=\"%d\" "
|
||||
"AudioTag=\"%d\" CodecPrivateData=\"",
|
||||
index, vf->bitrate, vf->fourcc, vf->sample_rate,
|
||||
vf->channels, vf->blocksize, vf->tag);
|
||||
for (j = 0; j < vf->codec_private_size; j++)
|
||||
fprintf(out, "%02X", vf->codec_private[j]);
|
||||
fprintf(out, "\" />\n");
|
||||
|
||||
@ -50,11 +50,13 @@ int main(int argc, char **argv)
|
||||
}
|
||||
|
||||
if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
|
||||
fprintf(stderr, "Inpossible to open filter with name '%s'\n", filter_name);
|
||||
fprintf(stderr, "Inpossible to open filter with name '%s'\n",
|
||||
filter_name);
|
||||
return 1;
|
||||
}
|
||||
if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
|
||||
fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n", filter_name, filter_args);
|
||||
fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
|
||||
filter_name, filter_args);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
@ -24,9 +24,10 @@
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "libavformat/avformat.h"
|
||||
|
||||
#define PKTFILESUFF "_%08"PRId64"_%02d_%010"PRId64"_%06d_%c.bin"
|
||||
#define PKTFILESUFF "_%08" PRId64 "_%02d_%010" PRId64 "_%06d_%c.bin"
|
||||
|
||||
#undef strcat
|
||||
|
||||
@ -46,10 +47,10 @@ int main(int argc, char **argv)
|
||||
char pktfilename[PATH_MAX];
|
||||
AVFormatContext *fctx = NULL;
|
||||
AVPacket pkt;
|
||||
int64_t pktnum = 0;
|
||||
int64_t pktnum = 0;
|
||||
int64_t maxpkts = 0;
|
||||
int donotquit = 0;
|
||||
int nowrite = 0;
|
||||
int donotquit = 0;
|
||||
int nowrite = 0;
|
||||
int err;
|
||||
|
||||
if ((argc > 1) && !strncmp(argv[1], "-", 1)) {
|
||||
@ -64,16 +65,16 @@ int main(int argc, char **argv)
|
||||
return usage(1);
|
||||
if (argc > 2)
|
||||
maxpkts = atoi(argv[2]);
|
||||
strncpy(fntemplate, argv[1], PATH_MAX-1);
|
||||
strncpy(fntemplate, argv[1], PATH_MAX - 1);
|
||||
if (strrchr(argv[1], '/'))
|
||||
strncpy(fntemplate, strrchr(argv[1], '/')+1, PATH_MAX-1);
|
||||
strncpy(fntemplate, strrchr(argv[1], '/') + 1, PATH_MAX - 1);
|
||||
if (strrchr(fntemplate, '.'))
|
||||
*strrchr(fntemplate, '.') = '\0';
|
||||
if (strchr(fntemplate, '%')) {
|
||||
fprintf(stderr, "can't use filenames containing '%%'\n");
|
||||
return usage(1);
|
||||
}
|
||||
if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX-1) {
|
||||
if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX - 1) {
|
||||
fprintf(stderr, "filename too long\n");
|
||||
return usage(1);
|
||||
}
|
||||
@ -99,11 +100,14 @@ int main(int argc, char **argv)
|
||||
|
||||
while ((err = av_read_frame(fctx, &pkt)) >= 0) {
|
||||
int fd;
|
||||
snprintf(pktfilename, PATH_MAX-1, fntemplate, pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & AV_PKT_FLAG_KEY)?'K':'_');
|
||||
printf(PKTFILESUFF"\n", pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & AV_PKT_FLAG_KEY)?'K':'_');
|
||||
snprintf(pktfilename, PATH_MAX - 1, fntemplate, pktnum,
|
||||
pkt.stream_index, pkt.pts, pkt.size,
|
||||
(pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_');
|
||||
printf(PKTFILESUFF "\n", pktnum, pkt.stream_index, pkt.pts, pkt.size,
|
||||
(pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_');
|
||||
//printf("open(\"%s\")\n", pktfilename);
|
||||
if (!nowrite) {
|
||||
fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
|
||||
fd = open(pktfilename, O_WRONLY | O_CREAT, 0644);
|
||||
err = write(fd, pkt.data, pkt.size);
|
||||
if (err < 0) {
|
||||
fprintf(stderr, "write: error %d\n", err);
|
||||
|
||||
@ -39,7 +39,8 @@ static void probe(AVProbeData *pd, int type, int p, int size)
|
||||
int score = fmt->read_probe(pd);
|
||||
if (score > score_array[i] && score > AVPROBE_SCORE_MAX / 4) {
|
||||
score_array[i] = score;
|
||||
fprintf(stderr, "Failure of %s probing code with score=%d type=%d p=%X size=%d\n",
|
||||
fprintf(stderr,
|
||||
"Failure of %s probing code with score=%d type=%d p=%X size=%d\n",
|
||||
fmt->name, score, type, p, size);
|
||||
failures++;
|
||||
}
|
||||
@ -75,9 +76,8 @@ int main(void)
|
||||
init_put_bits(&pb, pd.buf, size);
|
||||
switch (type) {
|
||||
case 0:
|
||||
for (i = 0; i < size * 8; i++) {
|
||||
for (i = 0; i < size * 8; i++)
|
||||
put_bits(&pb, 1, (av_lfg_get(&state) & 0xFFFFFFFF) > p << 20);
|
||||
}
|
||||
break;
|
||||
case 1:
|
||||
for (i = 0; i < size * 8; i++) {
|
||||
@ -89,10 +89,10 @@ int main(void)
|
||||
break;
|
||||
case 2:
|
||||
for (i = 0; i < size * 8; i++) {
|
||||
unsigned int p2 = (p >> (hist*3)) & 7;
|
||||
unsigned int p2 = (p >> (hist * 3)) & 7;
|
||||
unsigned int v = (av_lfg_get(&state) & 0xFFFFFFFF) > p2 << 29;
|
||||
put_bits(&pb, 1, v);
|
||||
hist = (2*hist + v) & 3;
|
||||
hist = (2 * hist + v) & 3;
|
||||
}
|
||||
break;
|
||||
case 3:
|
||||
@ -100,12 +100,18 @@ int main(void)
|
||||
int c = 0;
|
||||
while (p & 63) {
|
||||
c = (av_lfg_get(&state) & 0xFFFFFFFF) >> 24;
|
||||
if (c >= 'a' && c <= 'z' && (p & 1)) break;
|
||||
else if(c >= 'A' && c <= 'Z' && (p & 2)) break;
|
||||
else if(c >= '0' && c <= '9' && (p & 4)) break;
|
||||
else if(c == ' ' && (p & 8)) break;
|
||||
else if(c == 0 && (p & 16)) break;
|
||||
else if(c == 1 && (p & 32)) break;
|
||||
if (c >= 'a' && c <= 'z' && (p & 1))
|
||||
break;
|
||||
else if (c >= 'A' && c <= 'Z' && (p & 2))
|
||||
break;
|
||||
else if (c >= '0' && c <= '9' && (p & 4))
|
||||
break;
|
||||
else if (c == ' ' && (p & 8))
|
||||
break;
|
||||
else if (c == 0 && (p & 16))
|
||||
break;
|
||||
else if (c == 1 && (p & 32))
|
||||
break;
|
||||
}
|
||||
pd.buf[i] = c;
|
||||
}
|
||||
|
||||
@ -138,7 +138,6 @@ int main(int argc, char *argv[])
|
||||
}
|
||||
start_offset = ftello(infile);
|
||||
} else {
|
||||
|
||||
/* 64-bit special case */
|
||||
if (atom_size == 1) {
|
||||
if (fread(atom_bytes, ATOM_PREAMBLE_SIZE, 1, infile) != 1) {
|
||||
|
||||
@ -23,47 +23,50 @@
|
||||
#include <inttypes.h>
|
||||
|
||||
static uint32_t state;
|
||||
static uint32_t ran(void){
|
||||
return state= state*1664525+1013904223;
|
||||
static uint32_t ran(void)
|
||||
{
|
||||
return state = state * 1664525 + 1013904223;
|
||||
}
|
||||
|
||||
int main(int argc, char** argv)
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
FILE *f;
|
||||
int count, maxburst, length;
|
||||
|
||||
if (argc < 5){
|
||||
if (argc < 5) {
|
||||
printf("USAGE: trasher <filename> <count> <maxburst> <seed>\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
f= fopen(argv[1], "rb+");
|
||||
if (!f){
|
||||
f = fopen(argv[1], "rb+");
|
||||
if (!f) {
|
||||
perror(argv[1]);
|
||||
return 2;
|
||||
}
|
||||
count= atoi(argv[2]);
|
||||
maxburst= atoi(argv[3]);
|
||||
state= atoi(argv[4]);
|
||||
count = atoi(argv[2]);
|
||||
maxburst = atoi(argv[3]);
|
||||
state = atoi(argv[4]);
|
||||
|
||||
fseek(f, 0, SEEK_END);
|
||||
length= ftell(f);
|
||||
length = ftell(f);
|
||||
fseek(f, 0, SEEK_SET);
|
||||
|
||||
while(count--){
|
||||
int burst= 1 + ran() * (uint64_t) (abs(maxburst)-1) / UINT32_MAX;
|
||||
int pos= ran() * (uint64_t) length / UINT32_MAX;
|
||||
while (count--) {
|
||||
int burst = 1 + ran() * (uint64_t) (abs(maxburst) - 1) / UINT32_MAX;
|
||||
int pos = ran() * (uint64_t) length / UINT32_MAX;
|
||||
fseek(f, pos, SEEK_SET);
|
||||
|
||||
if(maxburst<0) burst= -maxburst;
|
||||
if (maxburst < 0)
|
||||
burst = -maxburst;
|
||||
|
||||
if(pos + burst > length)
|
||||
if (pos + burst > length)
|
||||
continue;
|
||||
|
||||
while(burst--){
|
||||
int val= ran() * 256ULL / UINT32_MAX;
|
||||
while (burst--) {
|
||||
int val = ran() * 256ULL / UINT32_MAX;
|
||||
|
||||
if(maxburst<0) val=0;
|
||||
if (maxburst < 0)
|
||||
val = 0;
|
||||
|
||||
fwrite(&val, 1, 1, f);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user