lavc: allow subtitle text format to be ASS without timing

1 files changed, 5 insertions, 6 deletions

diff --git a/libavcodec/webvttdec.c b/libavcodec/webvttdec.c
index 7354588..7b2d175 100644
--- a/libavcodec/webvttdec.c
+++ b/libavcodec/webvttdec.c
@@ -85,15 +85,12 @@ static int webvtt_decode_frame(AVCodecContext *avctx,
     int ret = 0;
     AVSubtitle *sub = data;
     const char *ptr = avpkt->data;
+    FFASSDecoderContext *s = avctx->priv_data;
     AVBPrint buf;
 
     av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
-    if (ptr && avpkt->size > 0 && !webvtt_event_to_ass(&buf, ptr)) {
-        int ts_start     = av_rescale_q(avpkt->pts, avctx->time_base, (AVRational){1,100});
-        int ts_duration  = avpkt->duration != -1 ?
-                           av_rescale_q(avpkt->duration, avctx->time_base, (AVRational){1,100}) : -1;
-        ret = ff_ass_add_rect_bprint(sub, &buf, ts_start, ts_duration);
-    }
+    if (ptr && avpkt->size > 0 && !webvtt_event_to_ass(&buf, ptr))
+        ret = ff_ass_add_rect(sub, buf.str, s->readorder++, 0, NULL, NULL);
     av_bprint_finalize(&buf, NULL);
     if (ret < 0)
         return ret;
@@ -108,4 +105,6 @@ AVCodec ff_webvtt_decoder = {
     .id             = AV_CODEC_ID_WEBVTT,
     .decode         = webvtt_decode_frame,
     .init           = ff_ass_subtitle_header_default,
+    .flush          = ff_ass_decoder_flush,
+    .priv_data_size = sizeof(FFASSDecoderContext),
 };