From: Michael Niedermayer <mich...@niedermayer.cc>
Fixes Ticket227
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
ffmpeg.h | 1 +
ffmpeg_opt.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/ffmpeg.h b/ffmpeg.h
index e43c985..38e7784 100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@ -92,6 +92,7 @@ typedef struct OptionsContext {
/* input/output options */
int64_t start_time;
+ int64_t start_time_eof;
int seek_timestamp;
const char *format;
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index ceebcfe..21477ed 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -156,6 +156,7 @@ static void init_options(OptionsContext *o)
o->stop_time = INT64_MAX;
o->mux_max_delay = 0.7;
o->start_time = AV_NOPTS_VALUE;
+ o->start_time_eof = AV_NOPTS_VALUE;
o->recording_time = INT64_MAX;
o->limit_filesize = UINT64_MAX;
o->chapters_input_file = INT_MAX;
@@ -933,6 +934,8 @@ static int open_input_file(OptionsContext *o, const char
*filename)
}
}
+ if (o->start_time_eof != AV_NOPTS_VALUE && ic->duration>0)
+ o->start_time = o->start_time_eof + ic->duration;
timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
/* add the stream start time */
if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
@@ -3019,6 +3022,9 @@ const OptionDef options[] = {
{ "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
OPT_INPUT | OPT_OUTPUT, { .off =
OFFSET(start_time) },
"set the start time offset", "time_off" },
+ { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
+ OPT_INPUT | OPT_OUTPUT, { .off =
OFFSET(start_time_eof) },
+ "set the start time offset relative to EOF", "time_off" },
{ "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
OPT_INPUT, { .off =
OFFSET(seek_timestamp) },
"enable/disable seeking by timestamp with -ss" },
--
1.7.9.5
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