Merge remote-tracking branch 'qatar/master'

* qatar/master:
  Revert "avconv: use stream copy by default when possible."
  avconv: print stream copy information.
  avconv: use stream copy by default when possible.
  matroskaenc: vertical alignment.
  matroskaenc: implement query_codec()
  lavf: add avformat_query_codec().
  lavc: add avcodec_get_type() for mapping codec_id -> type.
  flvenc: use int64_t to store offsets
  avconv: don't segfault on 0 input files.
  Do not write ID3v1 tags by default
  mpegts: log into an AVFormatContext rather than MpegTSContext.

Conflicts:
	doc/APIchanges
	libavcodec/version.h
	libavformat/avformat.h
	libavformat/mp3enc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 14 insertions, 0 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index aa1220dbbc..022efc4d56 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -4035,3 +4035,17 @@ int64_t ff_iso8601_to_unix_time(const char *datestr)
     return 0;
 #endif
 }
+
+int avformat_query_codec(AVOutputFormat *ofmt, enum CodecID codec_id, int std_compliance)
+{
+    if (ofmt) {
+        if (ofmt->query_codec)
+            return ofmt->query_codec(codec_id, std_compliance);
+        else if (ofmt->codec_tag)
+            return !!av_codec_get_tag(ofmt->codec_tag, codec_id);
+        else if (codec_id == ofmt->video_codec || codec_id == ofmt->audio_codec ||
+                 codec_id == ofmt->subtitle_codec)
+                return 1;
+    }
+    return AVERROR_PATCHWELCOME;
+}