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Adding metadata from format, audio stream, and video streams to ReaderBase.info, which in some cases includes the 'rotate' metadata added by certain cameras, and audio metadata like title, album, artist, copyright, dates, etc... Auto-Rotates any Clip with Reader metadata 'rotate' attribute.

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This commit is contained in:
Jonathan Thomas
2018-02-03 01:57:18 -06:00
parent 7b13001bf7
commit f2b0f3a0f4
9 changed files with 101 additions and 13 deletions
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23
src/FFmpegReader.cpp
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@@ -186,6 +186,14 @@ void FFmpegReader::Open()
UpdateAudioInfo();
}
// Add format metadata (if any)
AVDictionaryEntry *tag = NULL;
while ((tag = av_dict_get(pFormatCtx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
QString str_key = tag->key;
QString str_value = tag->value;
info.metadata[str_key.toStdString()] = str_value.trimmed().toStdString();
}
// Init previous audio location to zero
previous_packet_location.frame = -1;
previous_packet_location.sample_start = 0;
@@ -294,9 +302,15 @@ void FFmpegReader::UpdateAudioInfo()
info.video_length = info.duration * info.fps.ToDouble();
info.width = 720;
info.height = 480;
}
// Add audio metadata (if any found)
AVDictionaryEntry *tag = NULL;
while ((tag = av_dict_get(aStream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
QString str_key = tag->key;
QString str_value = tag->value;
info.metadata[str_key.toStdString()] = str_value.trimmed().toStdString();
}
}
void FFmpegReader::UpdateVideoInfo()
@@ -390,6 +404,13 @@ void FFmpegReader::UpdateVideoInfo()
info.video_length = round(info.duration * info.fps.ToDouble());
}
// Add video metadata (if any)
AVDictionaryEntry *tag = NULL;
while ((tag = av_dict_get(pStream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
QString str_key = tag->key;
QString str_value = tag->value;
info.metadata[str_key.toStdString()] = str_value.trimmed().toStdString();
}
}