From 4470a3eeafa97d20b1e68a6b40490f71da726adf Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 12 Jul 2014 21:49:15 +0200 Subject: [PATCH] avformat/mpegts: dont clear programs during probing Fixes Ticket 3763 Signed-off-by: Michael Niedermayer --- libavformat/mpegts.c | 5 ++++- libavformat/utils.c | 3 +++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index e814ab49a0..71140888a5 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -138,6 +138,7 @@ struct MpegTSContext { int64_t last_pos; int skip_changes; + int skip_clear; /******************************************/ /* private mpegts data */ @@ -177,6 +178,8 @@ static const AVOption mpegts_options[] = { {.i64 = 0}, 0, 0, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY }, {"skip_changes", "Skip changing / adding streams / programs.", offsetof(MpegTSContext, skip_changes), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, 0 }, + {"skip_clear", "Skip clearing programs.", offsetof(MpegTSContext, skip_clear), AV_OPT_TYPE_INT, + {.i64 = 0}, 0, 1, 0 }, { NULL }, }; @@ -1931,7 +1934,7 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len for (i = 0; i < ts->nb_prg; i++) if (ts->prg[i].id == ts->stream->programs[j]->id) break; - if (i==ts->nb_prg) + if (i==ts->nb_prg && !ts->skip_clear) clear_avprogram(ts, ts->stream->programs[j]->id); } } diff --git a/libavformat/utils.c b/libavformat/utils.c index 3afe488f10..be888d8526 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3111,6 +3111,8 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) if (!max_analyze_duration) max_analyze_duration = ic->max_analyze_duration; + av_opt_set(ic, "skip_clear", "1", AV_OPT_SEARCH_CHILDREN); + if (!max_analyze_duration) { if (!strcmp(ic->iformat->name, "flv") && !(ic->ctx_flags & AVFMTCTX_NOHEADER)) { max_analyze_duration = 10*AV_TIME_BASE; @@ -3396,6 +3398,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) } } } + av_opt_set(ic, "skip_clear", "0", AV_OPT_SEARCH_CHILDREN); // close codecs which were opened in try_decode_frame() for (i = 0; i < ic->nb_streams; i++) {