ref: b947939ff7c76fc5096defd5675c43668e5e5fe4
dir: /opus-tools-seek/
--- opus-tools/src/opusdec.c 2022-10-11 16:35:05.577273603 +0200
+++ opus-tools/src/opusdec.c 2022-10-18 01:42:38.276862173 +0200
@@ -463,6 +463,7 @@
printf(" --force-wav Force Wave header on output\n");
printf(" --packet-loss n Simulate n %% random packet loss\n");
printf(" --save-range file Save check values for every frame to a file\n");
+ printf(" -s, --seek seconds Seek within the stream before decoding\n");
}
void version(void)
@@ -682,6 +683,7 @@
ogg_int64_t nb_read_total=0;
ogg_int64_t link_read=0;
ogg_int64_t link_out=0;
+ double seek=0.0;
struct option long_options[] =
{
{"help", no_argument, NULL, 0},
@@ -696,6 +698,7 @@
{"force-wav", no_argument, NULL, 0},
{"packet-loss", required_argument, NULL, 0},
{"save-range", required_argument, NULL, 0},
+ {"seek", required_argument, NULL, 0},
{0, 0, 0, 0}
};
opus_int64 audio_size=0;
@@ -734,7 +737,7 @@
/*Process options*/
while (1)
{
- c = getopt_long(argc_utf8, argv_utf8, "hV",
+ c = getopt_long(argc_utf8, argv_utf8, "hVs:",
long_options, &option_index);
if (c==-1)
break;
@@ -781,6 +784,9 @@
} else if (strcmp(long_options[option_index].name,"packet-loss")==0)
{
loss_percent = atof(optarg);
+ } else if (strcmp(long_options[option_index].name,"seek")==0)
+ {
+ seek = atof(optarg);
}
break;
case 'h':
@@ -789,6 +795,9 @@
case 'V':
version();
goto done;
+ case 's':
+ seek = atof(optarg);
+ break;
case '?':
usage();
exit_code=1;
@@ -999,6 +1008,14 @@
op_set_decode_callback(st, (op_decode_cb_func)decode_cb, &cb_ctx);
}
+ if (seek > 0.0) {
+ if (op_pcm_seek(st, seek*48000) != 0)
+ {
+ seek = 0.0;
+ }
+ fprintf(stderr, "time: %g\n", seek);
+ }
+
/*Main decoding loop*/
while (1)
{