static void decode(struct sd *sd, struct demux_packet *packet)
{
struct sd_lavc_priv *priv = sd->priv;
AVCodecContext *avctx = priv->avctx;
double ts = av_q2d(av_inv_q(avctx->time_base));
AVSubtitle sub = {0};
AVPacket pkt;
int ret, got_sub;
mp_set_av_packet(&pkt, packet);
pkt.pts = packet->pts == MP_NOPTS_VALUE ? AV_NOPTS_VALUE : packet->pts * ts;
pkt.duration = packet->duration * ts;
ret = avcodec_decode_subtitle2(avctx, &sub, &got_sub, &pkt);
if (ret < 0) {
mp_msg(MSGT_OSD, MSGL_ERR, "Error decoding subtitle\n");
} else if (got_sub) {
for (int i = 0; i < sub.num_rects; i++) {
char *ass_line = sub.rects[i]->ass;
if (!ass_line)
break;
// This might contain embedded timestamps, using the "old" ffmpeg
// ASS packet format, in which case pts/duration might be ignored
// at a later point.
sd_conv_add_packet(sd, ass_line, strlen(ass_line),
packet->pts, packet->duration);
}
}
avsubtitle_free(&sub);
}
static void decode(struct sd *sd, struct demux_packet *packet)
{
struct sd_lavc_priv *priv = sd->priv;
AVCodecContext *avctx = priv->avctx;
AVSubtitle sub = {0};
AVPacket pkt;
AVPacket parsed_pkt = {0};
int ret, got_sub;
mp_set_av_packet(&pkt, packet, &avctx->time_base);
if (sd->codec && strcmp(sd->codec, "webvtt-webm") == 0) {
if (parse_webvtt(&pkt, &parsed_pkt) < 0) {
MP_ERR(sd, "Error parsing subtitle\n");
goto done;
}
pkt = parsed_pkt;
}
ret = avcodec_decode_subtitle2(avctx, &sub, &got_sub, &pkt);
if (ret < 0) {
MP_ERR(sd, "Error decoding subtitle\n");
} else if (got_sub) {
for (int i = 0; i < sub.num_rects; i++) {
char *ass_line = sub.rects[i]->ass;
if (!ass_line)
break;
// This might contain embedded timestamps, using the "old" ffmpeg
// ASS packet format, in which case pts/duration might be ignored
// at a later point.
sd_conv_add_packet(sd, ass_line, strlen(ass_line),
packet->pts, packet->duration);
}
}
done:
avsubtitle_free(&sub);
av_free_packet(&parsed_pkt);
}
