X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fffmpeg_examiner.cc;h=3fb9a53e4618f49e6f4aedb82780e9f10de541b3;hp=271180d5d0970521e58e45f45fa087131abca9d3;hb=386e25f3b9d3fa59cbdeed458d9b3e0d21e338b8;hpb=4337694dfd488e88f56b63898ad35ce8ce9bb3c3 diff --git a/src/lib/ffmpeg_examiner.cc b/src/lib/ffmpeg_examiner.cc index 271180d5d..3fb9a53e4 100644 --- a/src/lib/ffmpeg_examiner.cc +++ b/src/lib/ffmpeg_examiner.cc @@ -23,6 +23,8 @@ extern "C" { #include #include #include +#include +#include } #include "ffmpeg_examiner.h" #include "ffmpeg_content.h" @@ -40,6 +42,7 @@ using std::cout; using std::max; using boost::shared_ptr; using boost::optional; +using namespace dcpomatic; /** @param job job that the examiner is operating in, or 0 */ FFmpegExaminer::FFmpegExaminer (shared_ptr c, shared_ptr job) @@ -72,7 +75,7 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr c, shared_ptrcodec->codec->name, s->id, s->codec->sample_rate, - (double (_format_context->duration) / AV_TIME_BASE) * s->codec->sample_rate, + llrint ((double (_format_context->duration) / AV_TIME_BASE) * s->codec->sample_rate), s->codec->channels ) ) @@ -87,28 +90,17 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr c, shared_ptrduration == AV_NOPTS_VALUE; if (!_need_video_length) { - _video_length = (double (_format_context->duration) / AV_TIME_BASE) * video_frame_rate().get (); + _video_length = llrint ((double (_format_context->duration) / AV_TIME_BASE) * video_frame_rate().get()); } } - if (job) { - if (_need_video_length) { - job->sub (_("Finding length and subtitles")); - } else if (!_subtitle_streams.empty()) { - job->sub (_("Finding subtitles")); - } else { - job->sub (_("Finding length")); - } + if (job && _need_video_length) { + job->sub (_("Finding length")); } /* Run through until we find: * - the first video. * - the first audio for each stream. - * - the subtitle periods for each stream. - * - * We have to note subtitle periods as otherwise we have no way of knowing - * where we should look for subtitles (video and audio are always present, - * so they are ok). */ int64_t const len = _file_group.length (); @@ -143,52 +135,44 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr c, shared_ptruses_index (_format_context, _packet.stream_index)) { - subtitle_packet (context, _subtitle_streams[i]); - } - } - av_packet_unref (&_packet); - if (_first_video && got_all_audio && _subtitle_streams.empty ()) { + if (_first_video && got_all_audio) { /* All done */ break; } } - /* Finish off any hanging subtitles at the end */ - for (LastSubtitleMap::const_iterator i = _last_subtitle_start.begin(); i != _last_subtitle_start.end(); ++i) { - if (i->second) { - if (i->second->image) { - i->first->add_image_subtitle ( - i->second->id, - ContentTimePeriod ( - i->second->time, - ContentTime::from_frames (video_length(), video_frame_rate().get_value_or (24)) - ) - ); - } else { - i->first->add_text_subtitle ( - i->second->id, - ContentTimePeriod ( - i->second->time, - ContentTime::from_frames (video_length(), video_frame_rate().get_value_or (24)) - ) - ); + if (_video_stream) { + /* This code taken from get_rotation() in ffmpeg:cmdutils.c */ + AVStream* stream = _format_context->streams[*_video_stream]; + AVDictionaryEntry* rotate_tag = av_dict_get (stream->metadata, "rotate", 0, 0); + uint8_t* displaymatrix = av_stream_get_side_data (stream, AV_PKT_DATA_DISPLAYMATRIX, 0); + _rotation = 0; + + if (rotate_tag && *rotate_tag->value && strcmp(rotate_tag->value, "0")) { + char *tail; + _rotation = av_strtod (rotate_tag->value, &tail); + if (*tail) { + _rotation = 0; } } - } - /* We just added subtitles to our streams without taking the PTS offset into account; - this is because we might not know the PTS offset when the first subtitle is seen. - Now we know the PTS offset so we can apply it to those subtitles. - */ - if (has_video() && video_frame_rate()) { - BOOST_FOREACH (shared_ptr i, _subtitle_streams) { - i->add_offset (pts_offset (_audio_streams, _first_video, video_frame_rate().get())); + if (displaymatrix && !_rotation) { + _rotation = - av_display_rotation_get ((int32_t*) displaymatrix); } + + _rotation = *_rotation - 360 * floor (*_rotation / 360 + 0.9 / 360); + + DCPOMATIC_ASSERT (fabs (*_rotation - 90 * round (*_rotation / 90)) < 2); } + +#ifdef DCPOMATIC_VARIANT_SWAROOP + AVDictionaryEntry* e = av_dict_get (_format_context->metadata, SWAROOP_ID_TAG, 0, 0); + if (e) { + _id = e->value; + } +#endif } void @@ -226,70 +210,6 @@ FFmpegExaminer::audio_packet (AVCodecContext* context, shared_ptr stream) -{ - int frame_finished; - AVSubtitle sub; - if (avcodec_decode_subtitle2 (context, &sub, &frame_finished, &_packet) >= 0 && frame_finished) { - string id = subtitle_id (sub); - FFmpegSubtitlePeriod const period = subtitle_period (sub); - bool const starts_image = subtitle_starts_image (sub); - - /* Some streams (notably DVB streams) have subtitles which have a specified end time - but which are then stopped earlier than this by a zero-num_rect subtitle. - */ - - LastSubtitleMap::iterator last = _last_subtitle_start.find (stream); - if (sub.num_rects == 0 && last != _last_subtitle_start.end() && last->second) { - /* Set (or fix) the `to' time for the last subtitle */ - stream->set_subtitle_to (last->second->id, period.from); - _last_subtitle_start[stream] = optional (); - } else if (sub.num_rects > 0) { - /* Add a subtitle; if we don't know the `to' time we set it to the from time and fix it later */ - if (starts_image) { - stream->add_image_subtitle (id, ContentTimePeriod (period.from, period.to.get_value_or (period.from))); - } else { - stream->add_text_subtitle (id, ContentTimePeriod (period.from, period.to.get_value_or (period.from))); - } - - _last_subtitle_start[stream] = SubtitleStart (id, starts_image, period.from); - } - - for (unsigned int i = 0; i < sub.num_rects; ++i) { - if (sub.rects[i]->type == SUBTITLE_BITMAP) { -#ifdef DCPOMATIC_HAVE_AVSUBTITLERECT_PICT - uint32_t* palette = (uint32_t *) sub.rects[i]->pict.data[1]; - for (int j = 0; j < sub.rects[i]->nb_colors; ++j) { - RGBA rgba ( - (palette[j] & 0x00ff0000) >> 16, - (palette[j] & 0x0000ff00) >> 8, - (palette[j] & 0x000000ff) >> 0, - (palette[j] & 0xff000000) >> 24 - ); - - stream->set_colour (rgba, rgba); - } -#else - uint32_t* palette = (uint32_t *) sub.rects[i]->data[1]; - for (int j = 0; j < sub.rects[i]->nb_colors; ++j) { - RGBA rgba ( - (palette[j] & 0x00ff0000) >> 16, - (palette[j] & 0x0000ff00) >> 8, - (palette[j] & 0x000000ff) >> 0, - (palette[j] & 0xff000000) >> 24 - ); - - stream->set_colour (rgba, rgba); - } -#endif - } - } - - avsubtitle_free (&sub); - } -} - optional FFmpegExaminer::frame_time (AVStream* s) const { @@ -307,11 +227,7 @@ optional FFmpegExaminer::video_frame_rate () const { DCPOMATIC_ASSERT (_video_stream); - /* This use of r_frame_rate is debateable; there's a few different - * frame rates in the format context, but this one seems to be the most - * reliable. - */ - return av_q2d (av_stream_get_r_frame_rate (_format_context->streams[_video_stream.get()])); + return av_q2d(av_guess_frame_rate(_format_context, _format_context->streams[_video_stream.get()], 0)); } dcp::Size @@ -374,11 +290,11 @@ FFmpegExaminer::stream_name (AVStream* s) const return n; } -int +optional FFmpegExaminer::bits_per_pixel () const { if (video_codec_context()->pix_fmt == -1) { - throw DecodeError (_("Could not find pixel format for video.")); + return optional(); } AVPixFmtDescriptor const * d = av_pix_fmt_desc_get (video_codec_context()->pix_fmt); @@ -472,3 +388,16 @@ FFmpegExaminer::has_video () const { return static_cast (_video_stream); } + +VideoRange +FFmpegExaminer::range () const +{ + switch (color_range()) { + case AVCOL_RANGE_MPEG: + case AVCOL_RANGE_UNSPECIFIED: + return VIDEO_RANGE_VIDEO; + case AVCOL_RANGE_JPEG: + default: + return VIDEO_RANGE_FULL; + } +}