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tools/pktdumper: dump extradata buffers

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This commit is contained in:
Peter Ross
2022-10-15 07:59:50 +11:00
parent 5bcff199d9
commit 3b9dbda49b
1 changed files with 26 additions and 2 deletions
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28
tools/pktdumper.c
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@ -37,6 +37,7 @@
#define FILENAME_BUF_SIZE 4096 #define FILENAME_BUF_SIZE 4096
#define PKTFILESUFF "_%08" PRId64 "_%02d_%010" PRId64 "_%06d_%c.bin" #define PKTFILESUFF "_%08" PRId64 "_%02d_%010" PRId64 "_%06d_%c.bin"
#define EXTRADATAFILESUFF "_extradata_%02d_%06d.bin"
static int usage(int ret) static int usage(int ret)
{ {
@ -52,6 +53,7 @@ static int usage(int ret)
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
char fntemplate[FILENAME_BUF_SIZE]; char fntemplate[FILENAME_BUF_SIZE];
char fntemplate2[FILENAME_BUF_SIZE];
char pktfilename[FILENAME_BUF_SIZE]; char pktfilename[FILENAME_BUF_SIZE];
AVFormatContext *fctx = NULL; AVFormatContext *fctx = NULL;
AVPacket *pkt; AVPacket *pkt;
@ -86,8 +88,6 @@ int main(int argc, char **argv)
fprintf(stderr, "filename too long\n"); fprintf(stderr, "filename too long\n");
return usage(1); return usage(1);
} }
strcat(fntemplate, PKTFILESUFF);
printf("FNTEMPLATE: '%s'\n", fntemplate);
err = avformat_open_input(&fctx, argv[1], NULL, NULL); err = avformat_open_input(&fctx, argv[1], NULL, NULL);
if (err < 0) { if (err < 0) {
@ -107,6 +107,30 @@ int main(int argc, char **argv)
return 1; return 1;
} }
strcpy(fntemplate2, fntemplate);
strcat(fntemplate2, EXTRADATAFILESUFF);
for (int i = 0; i < fctx->nb_streams; i++) {
AVCodecParameters * par = fctx->streams[i]->codecpar;
int fd;
if (par->extradata_size) {
snprintf(pktfilename, sizeof(pktfilename), fntemplate2, i, par->extradata_size);
printf(EXTRADATAFILESUFF "\n", i, par->extradata_size);
if (!nowrite) {
fd = open(pktfilename, O_WRONLY | O_CREAT, 0644);
err = write(fd, par->extradata, par->extradata_size);
if (err < 0) {
fprintf(stderr, "write: error %d\n", err);
return 1;
}
close(fd);
}
}
}
strcat(fntemplate, PKTFILESUFF);
printf("FNTEMPLATE: '%s'\n", fntemplate);
while ((err = av_read_frame(fctx, pkt)) >= 0) { while ((err = av_read_frame(fctx, pkt)) >= 0) {
int fd; int fd;
snprintf(pktfilename, sizeof(pktfilename), fntemplate, pktnum, snprintf(pktfilename, sizeof(pktfilename), fntemplate, pktnum,