From: Limin Wang <[email protected]>
Signed-off-by: Limin Wang <[email protected]>
---
doc/filters.texi | 9 +++++++++
libavfilter/src_movie.c | 5 ++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 367614d2f8..6775cf43ba 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -29652,6 +29652,15 @@ shows how to add protocol_whitelist and
protocol_blacklist options:
ffplay -f lavfi
"movie=filename='1.sdp':format_opts='protocol_whitelist=file,rtp,udp\:protocol_blacklist=http'"
@end example
+
+@item dec_opts
+Specify decode options for the opened file. Format options can be specified
+as a list of @var{key}=@var{value} pairs separated by ':'. The following
example
+shows how to add export_side_data options:
+@example
+./ffmpeg -y -f lavfi
+-i "movie=./input.ts:dec_opts=export_side_data=scte20cc[out0+subcc]" out.srt
+@end example
@end table
It allows overlaying a second video on top of the main input of
diff --git a/libavfilter/src_movie.c b/libavfilter/src_movie.c
index 711854c23c..c7dbd90aa9 100644
--- a/libavfilter/src_movie.c
+++ b/libavfilter/src_movie.c
@@ -70,6 +70,7 @@ typedef struct MovieContext {
int64_t discontinuity_threshold;
int64_t ts_offset;
int dec_threads;
+ AVDictionary *dec_opts;
AVFormatContext *format_ctx;
@@ -96,6 +97,7 @@ static const AVOption movie_options[]= {
{ "discontinuity", "set discontinuity threshold",
OFFSET(discontinuity_threshold), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0,
INT64_MAX, FLAGS },
{ "dec_threads", "set the number of threads for decoding",
OFFSET(dec_threads), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, FLAGS },
{ "format_opts", "set format options for the opened file",
OFFSET(format_opts), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, FLAGS},
+ { "dec_opts", "set decode options for the opened file",
OFFSET(dec_opts), AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, FLAGS},
{ NULL },
};
@@ -158,6 +160,7 @@ static AVStream *find_stream(void *log, AVFormatContext
*avf, const char *spec)
static int open_stream(AVFilterContext *ctx, MovieStream *st, int dec_threads)
{
+ MovieContext *movie = ctx->priv;
const AVCodec *codec;
int ret;
@@ -179,7 +182,7 @@ static int open_stream(AVFilterContext *ctx, MovieStream
*st, int dec_threads)
dec_threads = ff_filter_get_nb_threads(ctx);
st->codec_ctx->thread_count = dec_threads;
- if ((ret = avcodec_open2(st->codec_ctx, codec, NULL)) < 0) {
+ if ((ret = avcodec_open2(st->codec_ctx, codec, &movie->dec_opts)) < 0) {
av_log(ctx, AV_LOG_ERROR, "Failed to open codec\n");
return ret;
}
--
2.35.1
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