79 lines
2.9 KiB
Plaintext
79 lines
2.9 KiB
Plaintext
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This file contains extensions to the standard set of parameter web constants.
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/* constants for extractors */
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extern _IMPEXP_MEDIA const char * const B_DURATION;
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// Output only: Selects the duration of the stream.
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//
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// This is the playing time of the stream, which may be
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// different from some or all of the durations for the
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// individual streams. Return a negative number if the
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// duration is not a useful number. (like streaming audio)
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// This duration may be an estimate because determining
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// the exact duration may require parsing an entire file.
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// This duration may also be updated over time. For
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// example, a file being read may also be being written to
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// by someone else.
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extern _IMPEXP_MEDIA const char * const B_MEDIA_COPYRIGHT;
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// Output only: Selects the copyright notice of the stream.
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//
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// This is a string with a copyright notice. The
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// string belongs to the extractor, so don't delete
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// or change it.
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extern _IMPEXP_MEDIA const char * const B_MEDIA_TRACK_COUNT;
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// Output only: Selects the count of the
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// number of tracks in the stream.
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//
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// This is the current number of tracks in the stream.
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extern _IMPEXP_MEDIA const char * const B_MEDIA_FRAME_COUNT;
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// Output only: Selects the count of the
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// number of frames in the stream.
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//
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// This is the current number of frames in the stream.
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// See BMediaTrack::CountFrames()
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extern _IMPEXP_MEDIA const char * const B_MEDIA_CURRENT_FRAME_INDEX;
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// Output only: Selects the index of the
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// current frame in the stream.
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//
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// This is the current frame in the stream.
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// See BMediaTrack::CurrentFrame()
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extern _IMPEXP_MEDIA const char * const B_MEDIA_CURRENT_TIME;
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// Output only: Selects the current time of the stream.
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//
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// This is the time at the current position of the stream.
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// See BMediaTrack::CurrentTime()
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extern _IMPEXP_MEDIA const char * const B_MEDIA_ENCODED_FORMAT;
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// Output only: Selects the native encoded format of the streams data.
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//
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// See BMediaTrack::EncodedFormat()
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extern _IMPEXP_MEDIA const char * const B_MEDIA_TRACK_CODEC_INFO;
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// Output only: Selects the codec information for this stream
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//
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// See BMediaTrack::GetCodecInfo()
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extern _IMPEXP_MEDIA const char * const B_MEDIA_QUALITY;
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// Input/output: Selects the quality rating for this stream
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//
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// See BMediaTrack::GetQuality and BMediaTrack::SetQuality
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// Used for extractor-based seek:
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extern _IMPEXP_MEDIA const char * const B_MEDIA_SEEK_STREAM_NUMBER;
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// Input/Output: Selects the stream to be selected for seeking.
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//
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// When the extractor is asked to seek, it will seek on
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// this stream, and then seek the other streams depending
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// on where it ends up on the first stream. A typical
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// value for this corresponds to a video stream. In this
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// case the video stream will be seeked to the closest key
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// frame for example, and then any other streams will be
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// seeked to that time. Only 'open' streams will be
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// seeked.
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