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124 lines
4.3 KiB
124 lines
4.3 KiB
/*
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* Copyright (c) 2019-2022 Taner Sener
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*
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* This file is part of FFmpegKit.
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*
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* FFmpegKit is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* FFmpegKit is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with FFmpegKit. If not, see <http://www.gnu.org/licenses/>.
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*/
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/// Stream information class.
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class StreamInformation {
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static const keyIndex = "index";
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static const keyType = "codec_type";
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static const keyCodec = "codec_name";
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static const keyCodecLong = "codec_long_name";
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static const keyFormat = "pix_fmt";
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static const keyWidth = "width";
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static const keyHeight = "height";
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static const keyBitRate = "bit_rate";
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static const keySampleRate = "sample_rate";
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static const keySampleFormat = "sample_fmt";
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static const keyChannelLayout = "channel_layout";
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static const keySampleAspectRatio = "sample_aspect_ratio";
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static const keyDisplayAspectRatio = "display_aspect_ratio";
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static const keyAverageFrameRate = "avg_frame_rate";
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static const keyRealFrameRate = "r_frame_rate";
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static const keyTimeBase = "time_base";
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static const keyCodecTimeBase = "codec_time_base";
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static const keyTags = "tags";
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Map<dynamic, dynamic>? _allProperties;
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/// Creates a new [StreamInformation] instance
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StreamInformation(this._allProperties);
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/// Returns stream index.
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int? getIndex() => this.getNumberProperty(keyIndex)?.toInt();
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/// Returns stream type.
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String? getType() => this.getStringProperty(StreamInformation.keyType);
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/// Returns stream codec.
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String? getCodec() => this.getStringProperty(StreamInformation.keyCodec);
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/// Returns stream codec in long format.
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String? getCodecLong() =>
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this.getStringProperty(StreamInformation.keyCodecLong);
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/// Returns stream format.
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String? getFormat() => this.getStringProperty(StreamInformation.keyFormat);
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/// Returns width.
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int? getWidth() =>
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this.getNumberProperty(StreamInformation.keyWidth)?.toInt();
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/// Returns height.
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int? getHeight() =>
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this.getNumberProperty(StreamInformation.keyHeight)?.toInt();
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/// Returns bitrate.
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String? getBitrate() => this.getStringProperty(StreamInformation.keyBitRate);
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/// Returns sample rate.
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String? getSampleRate() =>
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this.getStringProperty(StreamInformation.keySampleRate);
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/// Returns sample format.
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String? getSampleFormat() =>
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this.getStringProperty(StreamInformation.keySampleFormat);
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/// Returns channel layout.
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String? getChannelLayout() =>
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this.getStringProperty(StreamInformation.keyChannelLayout);
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/// Returns sample aspect ratio.
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String? getSampleAspectRatio() =>
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this.getStringProperty(StreamInformation.keySampleAspectRatio);
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/// Returns display aspect ratio.
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String? getDisplayAspectRatio() =>
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this.getStringProperty(StreamInformation.keyDisplayAspectRatio);
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/// Returns average frame rate.
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String? getAverageFrameRate() =>
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this.getStringProperty(StreamInformation.keyAverageFrameRate);
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/// Returns real frame rate.
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String? getRealFrameRate() =>
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this.getStringProperty(StreamInformation.keyRealFrameRate);
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/// Returns time base.
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String? getTimeBase() =>
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this.getStringProperty(StreamInformation.keyTimeBase);
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/// Returns codec time base.
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String? getCodecTimeBase() =>
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this.getStringProperty(StreamInformation.keyCodecTimeBase);
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/// Returns all tags.
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Map<dynamic, dynamic>? getTags() =>
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this.getProperty(StreamInformation.keyTags);
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/// Returns the stream property associated with the key.
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String? getStringProperty(String key) => this._allProperties?[key];
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/// Returns the stream property associated with the key.
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num? getNumberProperty(String key) => this._allProperties?[key];
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/// Returns the stream property associated with the key.
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dynamic getProperty(String key) => this._allProperties?[key];
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/// Returns all properties found.
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Map<dynamic, dynamic>? getAllProperties() => this._allProperties;
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}
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