From 24fdf7334d2bb9aab0abdbc878b8ae51eb57c86b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 1 Dec 2014 15:26:58 +0100 Subject: avformat/utils: Search harder for missing stream information in flv by default Fixes Ticket4133 Signed-off-by: Michael Niedermayer --- libavformat/utils.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/libavformat/utils.c b/libavformat/utils.c index 693b0339cf..798c6123e0 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -2989,6 +2989,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) int orig_nb_streams = ic->nb_streams; int flush_codecs; int64_t max_analyze_duration = ic->max_analyze_duration2; + int64_t max_stream_analyze_duration; int64_t probesize = ic->probesize2; if (!max_analyze_duration) @@ -2999,11 +3000,12 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) av_opt_set(ic, "skip_clear", "1", AV_OPT_SEARCH_CHILDREN); + max_stream_analyze_duration = max_analyze_duration; if (!max_analyze_duration) { - if (!strcmp(ic->iformat->name, "flv") && !(ic->ctx_flags & AVFMTCTX_NOHEADER)) { - max_analyze_duration = 10*AV_TIME_BASE; - } else - max_analyze_duration = 5*AV_TIME_BASE; + max_stream_analyze_duration = + max_analyze_duration = 5*AV_TIME_BASE; + if (!strcmp(ic->iformat->name, "flv")) + max_stream_analyze_duration = 30*AV_TIME_BASE; } if (ic->pb) @@ -3076,6 +3078,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) count = 0; read_size = 0; for (;;) { + int analyzed_all_streams; if (ff_check_interrupt(&ic->interrupt_callback)) { ret = AVERROR_EXIT; av_log(ic, AV_LOG_DEBUG, "interrupted\n"); @@ -3115,7 +3118,9 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) st->codec->codec_type == AVMEDIA_TYPE_AUDIO)) break; } + analyzed_all_streams = 0; if (i == ic->nb_streams) { + analyzed_all_streams = 1; /* NOTE: If the format has no header, then we need to read some * packets to get most of the streams, so we cannot stop here. */ if (!(ic->ctx_flags & AVFMTCTX_NOHEADER)) { @@ -3223,7 +3228,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) && st->info->fps_last_dts != AV_NOPTS_VALUE) t = FFMAX(t, av_rescale_q(st->info->fps_last_dts - st->info->fps_first_dts, st->time_base, AV_TIME_BASE_Q)); - if (t >= max_analyze_duration) { + if (t >= (analyzed_all_streams ? max_analyze_duration : max_stream_analyze_duration)) { av_log(ic, AV_LOG_VERBOSE, "max_analyze_duration %"PRId64" reached at %"PRId64" microseconds\n", max_analyze_duration, t); -- cgit v1.2.3