[FFmpeg-devel] [PATCH] avformat/options_table: add named constants for avoid_negative_ts

Michael Niedermayer michaelni at gmx.at
Sat Feb 22 22:51:12 CET 2014


Idea-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libavformat/options_table.h |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavformat/options_table.h b/libavformat/options_table.h
index 2e08682..bd3feb5 100644
--- a/libavformat/options_table.h
+++ b/libavformat/options_table.h
@@ -73,7 +73,11 @@ static const AVOption avformat_options[] = {
 {"compliant",  "consider all spec non compliancies as errors", 0, AV_OPT_TYPE_CONST, {.i64 = AV_EF_COMPLIANT }, INT_MIN, INT_MAX, D, "err_detect"},
 {"aggressive", "consider things that a sane encoder shouldn't do as an error", 0, AV_OPT_TYPE_CONST, {.i64 = AV_EF_AGGRESSIVE }, INT_MIN, INT_MAX, D, "err_detect"},
 {"use_wallclock_as_timestamps", "use wallclock as timestamps", OFFSET(use_wallclock_as_timestamps), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX-1, D},
-{"avoid_negative_ts", "shift timestamps so they start at 0. 1 enable if negative ts, 2 enable, 0 disables, default of -1 enables when required by target format.", OFFSET(avoid_negative_ts), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, E},
+{"avoid_negative_ts", "shift timestamps so they start at 0. 1 enable if negative ts, 2 enable, 0 disables, default of -1 enables when required by target format.", OFFSET(avoid_negative_ts), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, E, "avoid_negative_ts"},
+{"auto",                "enabled when required by target format",    0, AV_OPT_TYPE_CONST, {.i64 = -1 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
+{"disabled",            "do not change timestamps",                  0, AV_OPT_TYPE_CONST, {.i64 =  0 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
+{"make_zero",           "shift timestamps so they start at 0",       0, AV_OPT_TYPE_CONST, {.i64 =  2 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
+{"make_non_negative",   "shift timestamps so they are non negative", 0, AV_OPT_TYPE_CONST, {.i64 =  1 }, INT_MIN, INT_MAX, E, "avoid_negative_ts"},
 {"skip_initial_bytes", "set number of bytes to skip before reading header and frames", OFFSET(skip_initial_bytes), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX-1, D},
 {"correct_ts_overflow", "correct single timestamp overflows", OFFSET(correct_ts_overflow), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, D},
 {"flush_packets", "enable flushing of the I/O context after each packet", OFFSET(flush_packets), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, E},
-- 
1.7.9.5



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