Take Film pointer out of Content.

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

diff --git a/src/lib/ffmpeg.cc b/src/lib/ffmpeg.cc
index bbf9bbed9405fb602b1fd2d69f69d408daa5fc00..3bd08e84a6ea7c1be2f27426e1755171dce484d4 100644 (file)
--- a/src/lib/ffmpeg.cc
+++ b/src/lib/ffmpeg.cc
@@ -23,12 +23,12 @@
 #include "film.h"
 #include "exceptions.h"
 #include "util.h"
-#include "raw_convert.h"
 #include "log.h"
 #include "ffmpeg_subtitle_stream.h"
 #include "ffmpeg_audio_stream.h"
 #include "digester.h"
 #include "compose.hpp"
+#include <dcp/raw_convert.h>
 extern "C" {
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
@@ -46,6 +46,7 @@ using std::cerr;
 using std::vector;
 using boost::shared_ptr;
 using boost::optional;
+using dcp::raw_convert;
 
 boost::mutex FFmpeg::_mutex;
 boost::weak_ptr<Log> FFmpeg::_ffmpeg_log;
@@ -109,12 +110,9 @@ FFmpeg::ffmpeg_log_callback (void* ptr, int level, const char* fmt, va_list vl)
 void
 FFmpeg::setup_general ()
 {
-       av_register_all ();
-
        /* This might not work too well in some cases of multiple FFmpeg decoders,
           but it's probably good enough.
        */
-       _ffmpeg_log = _ffmpeg_content->film()->log ();
        av_log_set_callback (FFmpeg::ffmpeg_log_callback);
 
        _file_group.set_paths (_ffmpeg_content->paths ());
@@ -129,9 +127,13 @@ FFmpeg::setup_general ()
        */
        av_dict_set (&options, "analyzeduration", raw_convert<string> (5 * 60 * 1000000).c_str(), 0);
        av_dict_set (&options, "probesize", raw_convert<string> (5 * 60 * 1000000).c_str(), 0);
+       if (_ffmpeg_content->decryption_key()) {
+               av_dict_set (&options, "decryption_key", _ffmpeg_content->decryption_key()->c_str(), 0);
+       }
 
-       if (avformat_open_input (&_format_context, 0, 0, &options) < 0) {
-               throw OpenFileError (_ffmpeg_content->path(0).string ());
+       int e = avformat_open_input (&_format_context, 0, 0, &options);
+       if (e < 0) {
+               throw OpenFileError (_ffmpeg_content->path(0).string(), e, true);
        }
 
        if (avformat_find_stream_info (_format_context, 0) < 0) {
@@ -144,7 +146,7 @@ FFmpeg::setup_general ()
 
        for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
                AVStream* s = _format_context->streams[i];
-               if (s->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+               if (s->codec->codec_type == AVMEDIA_TYPE_VIDEO && avcodec_find_decoder(s->codec->codec_id)) {
                        if (s->avg_frame_rate.num > 0 && s->avg_frame_rate.den > 0) {
                                /* This is definitely our video stream */
                                _video_stream = i;
@@ -215,9 +217,9 @@ FFmpeg::setup_decoders ()
                        if (avcodec_open2 (context, codec, &options) < 0) {
                                throw DecodeError (N_("could not open decoder"));
                        }
+               } else {
+                       dcpomatic_log->log (String::compose ("No codec found for stream %1", i), LogEntry::TYPE_WARNING);
                }
-
-               /* We are silently ignoring any failures to find suitable decoders here */
        }
 }
 
@@ -273,59 +275,6 @@ FFmpeg::subtitle_period (AVSubtitle const & sub)
                );
 }
 
-string
-FFmpeg::subtitle_id (AVSubtitle const & sub)
-{
-       Digester digester;
-       digester.add (sub.pts);
-       for (unsigned int i = 0; i < sub.num_rects; ++i) {
-               AVSubtitleRect* rect = sub.rects[i];
-               digester.add (rect->x);
-               digester.add (rect->y);
-               digester.add (rect->w);
-               digester.add (rect->h);
-#ifdef DCPOMATIC_HAVE_AVSUBTITLERECT_PICT
-               int const line = rect->pict.linesize[0];
-               for (int j = 0; j < rect->h; ++j) {
-                       digester.add (rect->pict.data[0] + j * line, line);
-               }
-#else
-               int const line = rect->linesize[0];
-               for (int j = 0; j < rect->h; ++j) {
-                       digester.add (rect->data[0] + j * line, line);
-               }
-#endif
-       }
-       return digester.get ();
-}
-
-/** @return true if sub starts a new image subtitle */
-bool
-FFmpeg::subtitle_starts_image (AVSubtitle const & sub)
-{
-       bool image = false;
-       bool text = false;
-
-       for (unsigned int i = 0; i < sub.num_rects; ++i) {
-               switch (sub.rects[i]->type) {
-               case SUBTITLE_BITMAP:
-                       image = true;
-                       break;
-               case SUBTITLE_TEXT:
-               case SUBTITLE_ASS:
-                       text = true;
-                       break;
-               default:
-                       break;
-               }
-       }
-
-       /* We can't cope with mixed image/text in one AVSubtitle */
-       DCPOMATIC_ASSERT (!image || !text);
-
-       return image;
-}
-
 /** Compute the pts offset to use given a set of audio streams and some video details.
  *  Sometimes these parameters will have just been determined by an Examiner, sometimes
  *  they will have been retrieved from a piece of Content, hence the need for this method
@@ -373,7 +322,7 @@ FFmpeg::pts_offset (vector<shared_ptr<FFmpegAudioStream> > audio_streams, option
        /* Now adjust so that the video pts starts on a frame */
        if (first_video) {
                ContentTime const fvc = first_video.get() + po;
-               po += fvc.round_up (video_frame_rate) - fvc;
+               po += fvc.ceil (video_frame_rate) - fvc;
        }
 
        return po;