Exemplo n.º 1
0
    def __init__(self, ges_elem, max_cpu_usage):
        Previewer.__init__(self, GES.TrackType.AUDIO, max_cpu_usage)
        Zoomable.__init__(self)
        Loggable.__init__(self)

        self.pipeline = None
        self._wavebin = None

        self.discovered = False
        self.ges_elem = ges_elem

        asset = self.ges_elem.get_parent().get_asset()
        self.n_samples = asset.get_duration() / SAMPLE_DURATION
        self.samples = None
        self.peaks = None
        self._start = 0
        self._end = 0
        self._surface_x = 0

        # Guard against malformed URIs
        self.wavefile = None
        self._uri = quote_uri(get_proxy_target(ges_elem).props.id)

        self._num_failures = 0
        self.adapter = None
        self.surface = None

        self._force_redraw = True

        self.ges_elem.connect("notify::in-point", self._inpoint_changed_cb)
        self.connect("notify::height-request", self._height_changed_cb)
        self.become_controlled()
Exemplo n.º 2
0
    def __init__(self, ges_elem, max_cpu_usage):
        Previewer.__init__(self, GES.TrackType.AUDIO, max_cpu_usage)
        Zoomable.__init__(self)
        Loggable.__init__(self)

        self.pipeline = None
        self._wavebin = None

        self.discovered = False
        self.ges_elem = ges_elem
        self.timeline = ges_elem.get_parent().get_timeline().ui

        asset = self.ges_elem.get_parent().get_asset()
        self.n_samples = asset.get_duration() / SAMPLE_DURATION
        self.samples = None
        self.peaks = None
        self._start = 0
        self._end = 0
        self._surface_x = 0

        # Guard against malformed URIs
        self.wavefile = None
        self._uri = quote_uri(get_proxy_target(ges_elem).props.id)

        self._num_failures = 0
        self.adapter = None
        self.surface = None

        self._force_redraw = True

        self.ges_elem.connect("notify::in-point", self._inpoint_changed_cb)
        self.connect("notify::height-request", self._height_changed_cb)
        self.becomeControlled()
Exemplo n.º 3
0
    def __init__(self, ges_elem, max_cpu_usage):
        Previewer.__init__(self, GES.TrackType.AUDIO, max_cpu_usage)
        Zoomable.__init__(self)
        Loggable.__init__(self)

        self.pipeline = None
        self._wavebin = None

        self.ges_elem = ges_elem

        self.samples = None
        self.peaks = None
        self.surface = None
        # The zoom level when self.surface has been created.
        self._surface_zoom_level = 0
        # The samples range used when self.surface has been created.
        self._surface_start_ns = 0
        self._surface_end_ns = 0

        # Guard against malformed URIs
        self.wavefile = None
        self._uri = quote_uri(get_proxy_target(ges_elem).props.id)

        self._num_failures = 0
        self.become_controlled()
Exemplo n.º 4
0
def info_name(info):
    """Returns a human-readable filename (without the path and quoting).

    Args:
        info (GES.Asset or DiscovererInfo): The info to display.
    """
    if isinstance(info, GES.Asset):
        filename = urllib.parse.unquote(os.path.basename(get_proxy_target(info).get_id()))
    elif isinstance(info, DiscovererInfo):
        filename = urllib.parse.unquote(os.path.basename(info.get_uri()))
    else:
        raise Exception("Unsupported argument type: %s" % type(info))
    return GLib.markup_escape_text(filename)
Exemplo n.º 5
0
Arquivo: ui.py Projeto: pitivi/pitivi
def info_name(info):
    """Returns a human-readable filename (without the path and quoting).

    Args:
        info (GES.Asset or DiscovererInfo): The info to display.
    """
    if isinstance(info, GES.Asset):
        filename = urllib.parse.unquote(os.path.basename(get_proxy_target(info).get_id()))
    elif isinstance(info, DiscovererInfo):
        filename = urllib.parse.unquote(os.path.basename(info.get_uri()))
    else:
        raise Exception("Unsupported argument type: %s" % type(info))
    return GLib.markup_escape_text(filename)
Exemplo n.º 6
0
    def __init__(self, ges_elem, max_cpu_usage):
        Previewer.__init__(self, GES.TrackType.VIDEO, max_cpu_usage)
        Zoomable.__init__(self)
        Loggable.__init__(self)

        # Variables related to the timeline objects
        self.timeline = ges_elem.get_parent().get_timeline().ui
        self.ges_elem = ges_elem

        # Guard against malformed URIs
        self.uri = quote_uri(get_proxy_target(ges_elem).props.id)

        self.__preroll_timeout_id = 0

        # Variables related to thumbnailing
        self.wishlist = []
        self.queue = []
        self._thumb_cb_id = None
        self._running = False

        # We should have one thumbnail per thumb_period.
        # TODO: get this from the user settings
        self.thumb_period = int(0.5 * Gst.SECOND)
        self.thumb_height = THUMB_HEIGHT

        self.__image_pixbuf = None
        if isinstance(ges_elem, GES.ImageSource):
            self.__image_pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
                Gst.uri_get_location(self.uri), -1, self.thumb_height, True)

        self.thumbs = {}
        self.thumb_cache = ThumbnailCache.get(self.uri)
        self._ensure_proxy_thumbnails_cache()
        self.thumb_width, unused_height = self.thumb_cache.getImagesSize()

        self.cpu_usage_tracker = CPUUsageTracker()
        self.interval = 500  # Every 0.5 second, reevaluate the situation

        # Connect signals and fire things up
        self.ges_elem.connect("notify::in-point", self._inpoint_changed_cb)

        self.pipeline = None
        self.gdkpixbufsink = None
        self.becomeControlled()

        self.connect("notify::height-request", self._height_changed_cb)
Exemplo n.º 7
0
    def __init__(self, ges_elem, max_cpu_usage):
        Previewer.__init__(self, GES.TrackType.VIDEO, max_cpu_usage)
        Zoomable.__init__(self)
        Loggable.__init__(self)

        # Variables related to the timeline objects
        self.timeline = ges_elem.get_parent().get_timeline().ui
        self.ges_elem = ges_elem

        # Guard against malformed URIs
        self.uri = quote_uri(get_proxy_target(ges_elem).props.id)

        self.__preroll_timeout_id = 0

        # Variables related to thumbnailing
        self.wishlist = []
        self.queue = []
        self._thumb_cb_id = None
        self._running = False

        # We should have one thumbnail per thumb_period.
        # TODO: get this from the user settings
        self.thumb_period = int(0.5 * Gst.SECOND)
        self.thumb_height = THUMB_HEIGHT

        self.__image_pixbuf = None
        if isinstance(ges_elem, GES.ImageSource):
            self.__image_pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
                Gst.uri_get_location(self.uri), -1, self.thumb_height, True)

        self.thumbs = {}
        self.thumb_cache = ThumbnailCache.get(self.uri)
        self._ensure_proxy_thumbnails_cache()
        self.thumb_width, unused_height = self.thumb_cache.getImagesSize()

        self.cpu_usage_tracker = CPUUsageTracker()
        self.interval = 500  # Every 0.5 second, reevaluate the situation

        # Connect signals and fire things up
        self.ges_elem.connect("notify::in-point", self._inpoint_changed_cb)

        self.pipeline = None
        self.gdkpixbufsink = None
        self.becomeControlled()

        self.connect("notify::height-request", self._height_changed_cb)
Exemplo n.º 8
0
    def __init__(self, ges_elem, max_cpu_usage):
        Previewer.__init__(self, GES.TrackType.VIDEO, max_cpu_usage)
        Zoomable.__init__(self)
        Loggable.__init__(self)

        self.ges_elem = ges_elem

        # Guard against malformed URIs
        self.uri = quote_uri(get_proxy_target(ges_elem).props.id)

        self.__start_id = 0
        self.__preroll_timeout_id = 0
        self._thumb_cb_id = 0

        # The thumbs to be generated.
        self.queue = []
        # The position for which a thumbnail is currently being generated.
        self.position = -1
        # The positions for which we failed to get a pixbuf.
        self.failures = set()
        self._thumb_cb_id = None

        self.thumbs = {}
        self.thumb_height = THUMB_HEIGHT
        self.thumb_width = 0

        self.__image_pixbuf = None
        if not isinstance(ges_elem, GES.ImageSource):
            self.thumb_cache = ThumbnailCache.get(self.uri)
            self._ensure_proxy_thumbnails_cache()
            self.thumb_width, unused_height = self.thumb_cache.image_size
        self.pipeline = None
        self.gdkpixbufsink = None

        self.cpu_usage_tracker = CPUUsageTracker()
        # Initial delay before generating the next thumbnail, in millis.
        self.interval = 500

        # Connect signals and fire things up
        self.ges_elem.connect("notify::in-point", self._inpoint_changed_cb)
        self.ges_elem.connect("notify::duration", self._duration_changed_cb)

        self.become_controlled()

        self.connect("notify::height-request", self._height_changed_cb)
Exemplo n.º 9
0
def beautify_asset(asset):
    """Formats the specified asset for display.

    Args:
        asset (GES.Asset): The asset to display.
    """
    from pitivi.utils.proxy import get_proxy_target
    uri = get_proxy_target(asset).props.id
    path = path_from_uri(uri)
    res = ["<b>" + GLib.markup_escape_text(path) + "</b>"]

    ranks = {
        DiscovererVideoInfo: 0,
        DiscovererAudioInfo: 1,
        DiscovererStreamInfo: 2
    }

    def stream_sort_key(stream):
        try:
            return ranks[type(stream)]
        except KeyError:
            return len(ranks)

    info = asset.get_info()
    streams = info.get_stream_list()
    streams.sort(key=stream_sort_key)
    for stream in streams:
        try:
            beautified_string = beautify_stream(stream)
        except NotImplementedError:
            do_log(ERROR, "Beautify", "None", "Cannot beautify %s", stream)
            continue
        if beautified_string:
            res.append(beautified_string)

    duration = beautify_length(asset.get_duration())
    if duration:
        res.append(_("<b>Duration:</b> %s") % duration)

    if asset.creation_progress < 100:
        res.append(
            _("<b>Proxy creation progress:</b> %d%%") %
            asset.creation_progress)

    return "\n".join(res)
Exemplo n.º 10
0
Arquivo: ui.py Projeto: pitivi/pitivi
def beautify_asset(asset):
    """Formats the specified asset for display.

    Args:
        asset (GES.Asset): The asset to display.
    """
    uri = get_proxy_target(asset).props.id
    path = path_from_uri(uri)
    res = ["<b>" + GLib.markup_escape_text(path) + "</b>"]

    ranks = {
        DiscovererVideoInfo: 0,
        DiscovererAudioInfo: 1,
        DiscovererStreamInfo: 2
    }

    def stream_sort_key(stream):
        try:
            return ranks[type(stream)]
        except KeyError:
            return len(ranks)

    info = asset.get_info()
    streams = info.get_stream_list()
    streams.sort(key=stream_sort_key)
    for stream in streams:
        try:
            beautified_string = beautify_stream(stream)
        except NotImplementedError:
            doLog(ERROR, "Beautify", "None", "Cannot beautify %s", stream)
            continue
        if beautified_string:
            res.append(beautified_string)

    duration = beautify_length(asset.get_duration())
    if duration:
        res.append(_("<b>Duration:</b> %s") % duration)

    if asset.creation_progress < 100:
        res.append(_("<b>Proxy creation progress:</b> %d%%") % asset.creation_progress)

    return "\n".join(res)
Exemplo n.º 11
0
    def get(cls, obj):
        """Gets a ThumbnailCache for the specified object.

        Args:
            obj (str or GES.UriClipAsset): The object for which to get a cache,
                it can be a string representing a URI, or a GES.UriClipAsset.

        Returns:
            ThumbnailCache: The cache for the object.
        """
        if isinstance(obj, str):
            uri = obj
        elif isinstance(obj, GES.UriClipAsset):
            uri = get_proxy_target(obj).props.id
        else:
            raise ValueError("Unhandled type: %s" % type(obj))

        if uri not in cls.caches_by_uri:
            cls.caches_by_uri[uri] = ThumbnailCache(uri)
        return cls.caches_by_uri[uri]
Exemplo n.º 12
0
    def get(cls, obj):
        """Gets a ThumbnailCache for the specified object.

        Args:
            obj (str or GES.UriClipAsset): The object for which to get a cache,
                it can be a string representing a URI, or a GES.UriClipAsset.

        Returns:
            ThumbnailCache: The cache for the object.
        """
        if isinstance(obj, str):
            uri = obj
        elif isinstance(obj, GES.UriClipAsset):
            uri = get_proxy_target(obj).props.id
        else:
            raise ValueError("Unhandled type: %s" % type(obj))

        if uri not in cls.caches_by_uri:
            cls.caches_by_uri[uri] = ThumbnailCache(uri)
        return cls.caches_by_uri[uri]
Exemplo n.º 13
0
    def __init__(self, ges_elem, max_cpu_usage):
        Previewer.__init__(self, GES.TrackType.VIDEO, max_cpu_usage)
        Zoomable.__init__(self)
        Loggable.__init__(self)

        self.ges_elem = ges_elem

        # Guard against malformed URIs
        self.uri = quote_uri(get_proxy_target(ges_elem).props.id)

        self.__start_id = 0

        self.__image_pixbuf = None

        self.thumbs = {}
        self.thumb_height = THUMB_HEIGHT
        self.thumb_width = 0

        self.ges_elem.connect("notify::duration", self._duration_changed_cb)

        self.become_controlled()

        self.connect("notify::height-request", self._height_changed_cb)