From: Vitaly _Vi Shukela <vi0...@gmail.com>
Why only output files can have both -t and -to?
Signed-off-by: Vitaly "_Vi" Shukela <vi0...@gmail.com>
---
fftools/ffmpeg_opt.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
index ca6f10d5ca..e453cb34c5 100644
--- a/fftools/ffmpeg_opt.c
+++ b/fftools/ffmpeg_opt.c
@@ -972,6 +972,21 @@ static int open_input_file(OptionsContext *o, const char
*filename)
char * data_codec_name = NULL;
int scan_all_pmts_set = 0;
+ if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
+ o->stop_time = INT64_MAX;
+ av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together;
using -t.\n");
+ }
+
+ if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
+ int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 :
o->start_time;
+ if (o->stop_time <= start_time) {
+ av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss;
aborting.\n");
+ exit_program(1);
+ } else {
+ o->recording_time = o->stop_time - start_time;
+ }
+ }
+
if (o->format) {
if (!(file_iformat = av_find_input_format(o->format))) {
av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n",
o->format);
@@ -3403,7 +3418,7 @@ const OptionDef options[] = {
OPT_INPUT | OPT_OUTPUT, { .off =
OFFSET(recording_time) },
"record or transcode \"duration\" seconds of audio/video",
"duration" },
- { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off
= OFFSET(stop_time) },
+ { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_INPUT |
OPT_OUTPUT, { .off = OFFSET(stop_time) },
"record or transcode stop time", "time_stop" },
{ "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off
= OFFSET(limit_filesize) },
"set the limit file size in bytes", "limit_size" },
--
2.11.0
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