/*
- Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
#include "dcpomatic_log.h"
#include "ffmpeg_subtitle_stream.h"
#include "ffmpeg_audio_stream.h"
+#include "decrypted_ecinema_kdm.h"
#include "digester.h"
#include "compose.hpp"
+#include "config.h"
#include <dcp/raw_convert.h>
extern "C" {
#include <libavcodec/avcodec.h>
using boost::shared_ptr;
using boost::optional;
using dcp::raw_convert;
+using namespace dcpomatic;
boost::mutex FFmpeg::_mutex;
{
boost::mutex::scoped_lock lm (_mutex);
+DCPOMATIC_DISABLE_WARNINGS
for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
avcodec_close (_format_context->streams[i]->codec);
}
+DCPOMATIC_ENABLE_WARNINGS
av_frame_free (&_frame);
avformat_close_input (&_format_context);
_file_group.set_paths (_ffmpeg_content->paths ());
_avio_buffer = static_cast<uint8_t*> (wrapped_av_malloc (_avio_buffer_size));
_avio_context = avio_alloc_context (_avio_buffer, _avio_buffer_size, 0, this, avio_read_wrapper, 0, avio_seek_wrapper);
+ if (!_avio_context) {
+ throw std::bad_alloc ();
+ }
_format_context = avformat_alloc_context ();
+ if (!_format_context) {
+ throw std::bad_alloc ();
+ }
_format_context->pb = _avio_context;
AVDictionary* options = 0;
- /* These durations are in microseconds, and represent how far into the content file
- we will look for streams.
- */
- 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);
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+ if (_ffmpeg_content->kdm()) {
+ DecryptedECinemaKDM kdm (_ffmpeg_content->kdm().get(), Config::instance()->decryption_chain()->key().get());
+ av_dict_set (&options, "decryption_key", kdm.key().hex().c_str(), 0);
}
+#endif
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) {
optional<int> video_stream_undefined_frame_rate;
+DCPOMATIC_DISABLE_WARNINGS
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 && avcodec_find_decoder(s->codec->codec_id)) {
}
}
}
+DCPOMATIC_ENABLE_WARNINGS
/* Files from iTunes sometimes have two video streams, one with the avg_frame_rate.num and .den set
to zero. Only use such a stream if there is no alternative.
_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
{
boost::mutex::scoped_lock lm (_mutex);
+DCPOMATIC_DISABLE_WARNINGS
for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
AVCodecContext* context = _format_context->streams[i]->codec;
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"));
dcpomatic_log->log (String::compose ("No codec found for stream %1", i), LogEntry::TYPE_WARNING);
}
}
+DCPOMATIC_ENABLE_WARNINGS
}
+DCPOMATIC_DISABLE_WARNINGS
AVCodecContext *
FFmpeg::video_codec_context () const
{
return _ffmpeg_content->subtitle_stream()->stream(_format_context)->codec;
}
+DCPOMATIC_ENABLE_WARNINGS
int
FFmpeg::avio_read (uint8_t* buffer, int const amount)