From 6bf87785e8e92da4d2223741a3d7d13428cbae8b Mon Sep 17 00:00:00 2001 From: Nicolas George Date: Wed, 25 Jul 2012 17:46:00 +0200 Subject: ffmpeg: warn about new streams after startup. --- ffmpeg.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/ffmpeg.c b/ffmpeg.c index 2619fe0d3b..ff17ba3b0c 100644 --- a/ffmpeg.c +++ b/ffmpeg.c @@ -267,6 +267,7 @@ typedef struct InputFile { int64_t ts_offset; int nb_streams; /* number of stream that ffmpeg is aware of; may be different from ctx.nb_streams if new streams appear during av_read_frame() */ + int nb_streams_warn; /* number of streams that the user was warned of */ int rate_emu; #if HAVE_PTHREADS @@ -2873,6 +2874,21 @@ static void parse_forced_key_frames(char *kf, OutputStream *ost, } } +static void report_new_stream(int input_index, AVPacket *pkt) +{ + InputFile *file = input_files[input_index]; + AVStream *st = file->ctx->streams[pkt->stream_index]; + + if (pkt->stream_index < file->nb_streams_warn) + return; + av_log(file->ctx, AV_LOG_WARNING, + "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n", + av_get_media_type_string(st->codec->codec_type), + input_index, pkt->stream_index, + pkt->pos, av_ts2timestr(pkt->dts, &st->time_base)); + file->nb_streams_warn = pkt->stream_index + 1; +} + static int transcode_init(void) { int ret = 0, i, j, k; @@ -3732,8 +3748,10 @@ static int transcode(void) } /* the following test is needed in case new streams appear dynamically in stream : we ignore them */ - if (pkt.stream_index >= input_files[file_index]->nb_streams) + if (pkt.stream_index >= input_files[file_index]->nb_streams) { + report_new_stream(file_index, &pkt); goto discard_packet; + } ist_index = input_files[file_index]->ist_index + pkt.stream_index; ist = input_streams[ist_index]; if (ist->discard) -- cgit v1.2.3