Make terminate_threads() less likely to leave _threads containing invalid pointers.

[dcpomatic.git] / src / lib / ffmpeg.cc

diff --git a/src/lib/ffmpeg.cc b/src/lib/ffmpeg.cc
index 3bd08e84a6ea7c1be2f27426e1755171dce484d4..f26d1d2cf224530582f709482840a2fb6840be39 100644 (file)
--- a/src/lib/ffmpeg.cc
+++ b/src/lib/ffmpeg.cc
@@ -24,6 +24,7 @@
 #include "exceptions.h"
 #include "util.h"
 #include "log.h"
+#include "dcpomatic_log.h"
 #include "ffmpeg_subtitle_stream.h"
 #include "ffmpeg_audio_stream.h"
 #include "digester.h"
@@ -49,7 +50,6 @@ using boost::optional;
 using dcp::raw_convert;
 
 boost::mutex FFmpeg::_mutex;
-boost::weak_ptr<Log> FFmpeg::_ffmpeg_log;
 
 FFmpeg::FFmpeg (boost::shared_ptr<const FFmpegContent> c)
        : _ffmpeg_content (c)
@@ -97,14 +97,9 @@ FFmpeg::ffmpeg_log_callback (void* ptr, int level, const char* fmt, va_list vl)
        char line[1024];
        static int prefix = 0;
        av_log_format_line (ptr, level, fmt, vl, line, sizeof (line), &prefix);
-       shared_ptr<Log> log = _ffmpeg_log.lock ();
-       if (log) {
-               string str (line);
-               boost::algorithm::trim (str);
-               log->log (String::compose ("FFmpeg: %1", str), LogEntry::TYPE_GENERAL);
-       } else {
-               cerr << line;
-       }
+       string str (line);
+       boost::algorithm::trim (str);
+       dcpomatic_log->log (String::compose ("FFmpeg: %1", str), LogEntry::TYPE_GENERAL);
 }
 
 void
@@ -133,7 +128,7 @@ FFmpeg::setup_general ()
 
        int e = avformat_open_input (&_format_context, 0, 0, &options);
        if (e < 0) {
-               throw OpenFileError (_ffmpeg_content->path(0).string(), e, true);
+               throw OpenFileError (_ffmpeg_content->path(0).string(), e, OpenFileError::READ);
        }
 
        if (avformat_find_stream_info (_format_context, 0) < 0) {
@@ -164,6 +159,11 @@ FFmpeg::setup_general ()
                _video_stream = video_stream_undefined_frame_rate.get();
        }
 
+       /* Ignore video streams with crazy frame rates.  These are usually things like album art on MP3s. */
+       if (_video_stream && av_q2d(av_guess_frame_rate(_format_context, _format_context->streams[_video_stream.get()], 0)) > 1000) {
+               _video_stream = optional<int>();
+       }
+
        /* Hack: if the AVStreams have duplicate IDs, replace them with our
           own.  We use the IDs so that we can cope with VOBs, in which streams
           move about in index but remain with the same ID in different
@@ -213,6 +213,8 @@ FFmpeg::setup_decoders ()
                           https://trac.ffmpeg.org/ticket/5681
                        */
                        av_dict_set_int (&options, "strict", FF_COMPLIANCE_EXPERIMENTAL, 0);
+                       /* Enable following of links in files */
+                       av_dict_set_int (&options, "enable_drefs", 1, 0);
 
                        if (avcodec_open2 (context, codec, &options) < 0) {
                                throw DecodeError (N_("could not open decoder"));