Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavformat/ttmlenc.c | 55 ++++++++++++++++++++-----------------------
1 file changed, 26 insertions(+), 29 deletions(-)
diff --git a/libavformat/ttmlenc.c b/libavformat/ttmlenc.c
index af2e2b85a5..1ffbd66f80 100644
--- a/libavformat/ttmlenc.c
+++ b/libavformat/ttmlenc.c
@@ -124,38 +124,35 @@ static int ttml_set_header_values_from_extradata(
static int ttml_write_header(AVFormatContext *ctx)
{
TTMLMuxContext *ttml_ctx = ctx->priv_data;
+ AVStream *st = ctx->streams[0];
+ AVIOContext *pb = ctx->pb;
+
+ const AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,
+ 0);
+ const char *printed_lang = (lang && lang->value) ? lang->value : "";
+
ttml_ctx->document_written = 0;
+ ttml_ctx->input_type = ff_is_ttml_stream_paragraph_based(st->codecpar) ?
+ PACKET_TYPE_PARAGRAPH :
+ PACKET_TYPE_DOCUMENT;
+
+ avpriv_set_pts_info(st, 64, 1, 1000);
- {
- AVStream *st = ctx->streams[0];
- AVIOContext *pb = ctx->pb;
-
- AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,
- 0);
- const char *printed_lang = (lang && lang->value) ? lang->value : "";
-
- ttml_ctx->input_type = ff_is_ttml_stream_paragraph_based(st->codecpar)
?
- PACKET_TYPE_PARAGRAPH :
- PACKET_TYPE_DOCUMENT;
-
- avpriv_set_pts_info(st, 64, 1, 1000);
-
- if (ttml_ctx->input_type == PACKET_TYPE_PARAGRAPH) {
- struct TTMLHeaderParameters header_params;
- int ret = ttml_set_header_values_from_extradata(
- st->codecpar, &header_params);
- if (ret < 0) {
- av_log(ctx, AV_LOG_ERROR,
- "Failed to parse TTML header values from extradata: "
- "%s!\n", av_err2str(ret));
- return ret;
- }
-
- avio_printf(pb, ttml_header_text,
- header_params.tt_element_params,
- printed_lang,
- header_params.pre_body_elements);
+ if (ttml_ctx->input_type == PACKET_TYPE_PARAGRAPH) {
+ struct TTMLHeaderParameters header_params;
+ int ret = ttml_set_header_values_from_extradata(
+ st->codecpar, &header_params);
+ if (ret < 0) {
+ av_log(ctx, AV_LOG_ERROR,
+ "Failed to parse TTML header values from extradata: "
+ "%s!\n", av_err2str(ret));
+ return ret;
}
+
+ avio_printf(pb, ttml_header_text,
+ header_params.tt_element_params,
+ printed_lang,
+ header_params.pre_body_elements);
}
return 0;
--
2.40.1
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