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Check start/end at param before encoding DVB subs (#1396)

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This commit is contained in:
Punit Lodha
2021-11-21 20:43:48 +05:30
committed by GitHub
parent 57663b8cf1
commit 1a8c8a86f3
1 changed files with 22 additions and 9 deletions
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31
src/lib_ccx/dvb_subtitle_decoder.c
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@@ -1690,17 +1690,30 @@ void dvbsub_handle_display_segment(struct encoder_ctx *enc_ctx,
{
sub->prev->end_time = sub->prev->start_time + sub->prev->time_out;
}
encode_sub(enc_ctx->prev, sub->prev); //we encode it
int timeok = 1;
if (dec_ctx->extraction_start.set &&
sub->prev->start_time < dec_ctx->extraction_start.time_in_ms)
timeok = 0;
if (dec_ctx->extraction_end.set &&
sub->prev->end_time > dec_ctx->extraction_end.time_in_ms)
{
timeok = 0;
dec_ctx->processed_enough = 1;
}
if (timeok)
{
encode_sub(enc_ctx->prev, sub->prev); //we encode it
enc_ctx->last_string = enc_ctx->prev->last_string; // Update last recognized string (used in Matroska)
enc_ctx->prev->last_string = NULL;
enc_ctx->last_string = enc_ctx->prev->last_string; // Update last recognized string (used in Matroska)
enc_ctx->prev->last_string = NULL;
enc_ctx->srt_counter = enc_ctx->prev->srt_counter; //for dvb subs we need to update the current srt counter because we always encode the previous subtitle (and the counter is increased for the previous context)
enc_ctx->prev_start = enc_ctx->prev->prev_start;
sub->prev->got_output = 0;
if (enc_ctx->write_format == CCX_OF_WEBVTT)
{ // we already wrote header, but since we encoded last sub, we must prevent multiple headers in future
enc_ctx->wrote_webvtt_header = 1;
enc_ctx->srt_counter = enc_ctx->prev->srt_counter; //for dvb subs we need to update the current srt counter because we always encode the previous subtitle (and the counter is increased for the previous context)
enc_ctx->prev_start = enc_ctx->prev->prev_start;
sub->prev->got_output = 0;
if (enc_ctx->write_format == CCX_OF_WEBVTT)
{ // we already wrote header, but since we encoded last sub, we must prevent multiple headers in future
enc_ctx->wrote_webvtt_header = 1;
}
}
}
/* copy previous encoder context*/