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authorJames Almer <jamrial@gmail.com>2022-02-28 12:35:27 -0300
committerJames Almer <jamrial@gmail.com>2022-02-28 17:41:08 -0300
commit4e33bae9f971ae6ddc914ea5081aab1ea3f85b31 (patch)
tree21d819b54eadf0f820971e36e2611272d803fce5 /libavcodec/setts_bsf.c
parent9c8a06a7d6ed1647185622fdc03d993a4f8d12d7 (diff)
downloadffmpeg-4e33bae9f971ae6ddc914ea5081aab1ea3f85b31.tar.gz
avcodec/setts_bsf: add an option to set output time base
And a relevant constant to use it in expressions. Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/setts_bsf.c')
-rw-r--r--libavcodec/setts_bsf.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/libavcodec/setts_bsf.c b/libavcodec/setts_bsf.c
index d574449838..69977bc166 100644
--- a/libavcodec/setts_bsf.c
+++ b/libavcodec/setts_bsf.c
@@ -47,7 +47,8 @@ static const char *const var_names[] = {
"DURATION", ///< original duration in the file of the frame
"STARTPTS", ///< PTS at start of movie
"STARTDTS", ///< DTS at start of movie
- "TB", ///< timebase of the stream
+ "TB", ///< input timebase of the stream
+ "TB_OUT", ///< output timebase of the stream
"SR", ///< sample rate of the stream
"NOPTS", ///< The AV_NOPTS_VALUE constant
NULL
@@ -72,6 +73,7 @@ enum var_name {
VAR_STARTPTS,
VAR_STARTDTS,
VAR_TB,
+ VAR_TB_OUT,
VAR_SR,
VAR_NOPTS,
VAR_VARS_NB
@@ -85,6 +87,8 @@ typedef struct SetTSContext {
char *dts_str;
char *duration_str;
+ AVRational time_base;
+
int64_t frame_number;
int64_t start_pts;
@@ -141,11 +145,15 @@ static int setts_init(AVBSFContext *ctx)
}
}
+ if (s->time_base.den)
+ ctx->time_base_out = s->time_base;
+
s->frame_number= 0;
s->start_pts = AV_NOPTS_VALUE;
s->start_dts = AV_NOPTS_VALUE;
s->var_values[VAR_NOPTS] = AV_NOPTS_VALUE;
s->var_values[VAR_TB] = ctx->time_base_in.den ? av_q2d(ctx->time_base_in) : 0;
+ s->var_values[VAR_TB_OUT]= ctx->time_base_out.den ? av_q2d(ctx->time_base_out) : 0;
s->var_values[VAR_SR] = ctx->par_in->sample_rate;
return 0;
@@ -251,6 +259,7 @@ static const AVOption options[] = {
{ "pts", "set expression for packet PTS", OFFSET(pts_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
{ "dts", "set expression for packet DTS", OFFSET(dts_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
{ "duration", "set expression for packet duration", OFFSET(duration_str), AV_OPT_TYPE_STRING, {.str="DURATION"}, 0, 0, FLAGS },
+ { "time_base", "set output timebase", OFFSET(time_base), AV_OPT_TYPE_RATIONAL, {.dbl=0}, 0, 0, FLAGS },
{ NULL },
};