示例#1
1
static gboolean
gst_deinterleave_src_query (GstPad * pad, GstQuery * query)
{
  GstDeinterleave *self = GST_DEINTERLEAVE (gst_pad_get_parent (pad));

  gboolean res;

  res = gst_pad_query_default (pad, query);

  if (res && GST_QUERY_TYPE (query) == GST_QUERY_DURATION) {
    GstFormat format;

    gint64 dur;

    gst_query_parse_duration (query, &format, &dur);

    /* Need to divide by the number of channels in byte format
     * to get the correct value. All other formats should be fine
     */
    if (format == GST_FORMAT_BYTES && dur != -1)
      gst_query_set_duration (query, format, dur / self->channels);
  } else if (res && GST_QUERY_TYPE (query) == GST_QUERY_POSITION) {
    GstFormat format;

    gint64 pos;

    gst_query_parse_position (query, &format, &pos);

    /* Need to divide by the number of channels in byte format
     * to get the correct value. All other formats should be fine
     */
    if (format == GST_FORMAT_BYTES && pos != -1)
      gst_query_set_position (query, format, pos / self->channels);
  }

  gst_object_unref (self);
  return res;
}
static gboolean
gst_interleave_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
  GstInterleave *self = GST_INTERLEAVE (parent);
  gboolean res = FALSE;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);

      switch (format) {
        case GST_FORMAT_TIME:
          /* FIXME, bring to stream time, might be tricky */
          gst_query_set_position (query, format, self->timestamp);
          res = TRUE;
          break;
        case GST_FORMAT_BYTES:
          gst_query_set_position (query, format,
              self->offset * self->channels * self->width);
          res = TRUE;
          break;
        case GST_FORMAT_DEFAULT:
          gst_query_set_position (query, format, self->offset);
          res = TRUE;
          break;
        default:
          break;
      }
      break;
    }
    case GST_QUERY_DURATION:
      res = gst_interleave_src_query_duration (self, query);
      break;
    case GST_QUERY_LATENCY:
      res = gst_interleave_src_query_latency (self, query);
      break;
    case GST_QUERY_CAPS:
    {
      GstCaps *filter, *caps;

      gst_query_parse_caps (query, &filter);
      caps = gst_interleave_sink_getcaps (pad, parent, filter);
      gst_query_set_caps_result (query, caps);
      gst_caps_unref (caps);
      res = TRUE;
    }
    default:
      /* FIXME, needs a custom query handler because we have multiple
       * sinkpads */
      res = gst_pad_query_default (pad, parent, query);
      break;
  }

  return res;
}
static gboolean
gst_audio_aggregator_src_query (GstAggregator * agg, GstQuery * query)
{
  GstAudioAggregator *aagg = GST_AUDIO_AGGREGATOR (agg);
  gboolean res = FALSE;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_DURATION:
      res = gst_audio_aggregator_query_duration (aagg, query);
      break;
    case GST_QUERY_POSITION:
    {
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);

      GST_OBJECT_LOCK (aagg);

      switch (format) {
        case GST_FORMAT_TIME:
          gst_query_set_position (query, format,
              gst_segment_to_stream_time (&agg->segment, GST_FORMAT_TIME,
                  agg->segment.position));
          res = TRUE;
          break;
        case GST_FORMAT_BYTES:
          if (GST_AUDIO_INFO_BPF (&aagg->info)) {
            gst_query_set_position (query, format, aagg->priv->offset *
                GST_AUDIO_INFO_BPF (&aagg->info));
            res = TRUE;
          }
          break;
        case GST_FORMAT_DEFAULT:
          gst_query_set_position (query, format, aagg->priv->offset);
          res = TRUE;
          break;
        default:
          break;
      }

      GST_OBJECT_UNLOCK (aagg);

      break;
    }
    default:
      res =
          GST_AGGREGATOR_CLASS (gst_audio_aggregator_parent_class)->src_query
          (agg, query);
      break;
  }

  return res;
}
示例#4
0
static gboolean
gst_nsfdec_src_query (GstPad * pad, GstQuery * query)
{
  gboolean res = TRUE;
  GstNsfDec *nsfdec;

  nsfdec = GST_NSFDEC (gst_pad_get_parent (pad));

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;
      gint64 current;

      gst_query_parse_position (query, &format, NULL);

      /* we only know about our bytes, convert to requested format */
      res &= gst_nsfdec_src_convert (pad,
          GST_FORMAT_BYTES, nsfdec->total_bytes, &format, &current);
      if (res) {
        gst_query_set_position (query, format, current);
      }
      break;
    }
    default:
      res = gst_pad_query_default (pad, query);
      break;
  }
  gst_object_unref (nsfdec);

  return res;
}
示例#5
0
static gboolean
gst_file_sink_query (GstPad * pad, GstQuery * query)
{
  GstFileSink *self;
  GstFormat format;

  self = GST_FILE_SINK (GST_PAD_PARENT (pad));

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
      gst_query_parse_position (query, &format, NULL);
      switch (format) {
        case GST_FORMAT_DEFAULT:
        case GST_FORMAT_BYTES:
          gst_query_set_position (query, GST_FORMAT_BYTES, self->current_pos);
          return TRUE;
        default:
          return FALSE;
      }

    case GST_QUERY_FORMATS:
      gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
      return TRUE;

    case GST_QUERY_URI:
      gst_query_set_uri (query, self->uri);
      return TRUE;

    default:
      return gst_pad_query_default (pad, query);
  }
}
示例#6
0
static gboolean
gst_multi_file_src_query (GstBaseSrc * src, GstQuery * query)
{
  gboolean res;
  GstMultiFileSrc *mfsrc;

  mfsrc = GST_MULTI_FILE_SRC (src);

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);
      switch (format) {
        case GST_FORMAT_BUFFERS:
        case GST_FORMAT_DEFAULT:
          gst_query_set_position (query, GST_FORMAT_BUFFERS, mfsrc->index);
          res = TRUE;
          break;
        default:
          res = GST_BASE_SRC_CLASS (parent_class)->query (src, query);
          break;
      }
      break;
    }
    default:
      res = GST_BASE_SRC_CLASS (parent_class)->query (src, query);
      break;
  }
  return res;
}
示例#7
0
static gboolean
gst_midi_parse_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
  gboolean res = TRUE;
  GstMidiParse *midiparse = GST_MIDI_PARSE (parent);

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_DURATION:
      gst_query_set_duration (query, GST_FORMAT_TIME,
          midiparse->segment.duration);
      break;
    case GST_QUERY_POSITION:
      gst_query_set_position (query, GST_FORMAT_TIME,
          midiparse->segment.position);
      break;
    case GST_QUERY_FORMATS:
      gst_query_set_formats (query, 1, GST_FORMAT_TIME);
      break;
    case GST_QUERY_SEGMENT:
      gst_query_set_segment (query, midiparse->segment.rate,
          midiparse->segment.format, midiparse->segment.start,
          midiparse->segment.stop);
      break;
    case GST_QUERY_SEEKING:
      gst_query_set_seeking (query, midiparse->segment.format,
          FALSE, 0, midiparse->segment.duration);
      break;
    default:
      res = gst_pad_query_default (pad, parent, query);
      break;
  }

  return res;
}
static gboolean
gst_gnome_vfs_sink_query (GstPad * pad, GstQuery * query)
{
    GstGnomeVFSSink *sink;
    GstFormat format;

    sink = GST_GNOME_VFS_SINK (GST_PAD_PARENT (pad));

    switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
        gst_query_parse_position (query, &format, NULL);
        switch (format) {
        case GST_FORMAT_DEFAULT:
        case GST_FORMAT_BYTES:
            gst_query_set_position (query, GST_FORMAT_BYTES, sink->current_pos);
            return TRUE;
        default:
            return FALSE;
        }

    case GST_QUERY_FORMATS:
        gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
        return TRUE;

    case GST_QUERY_URI:
        gst_query_set_uri (query, sink->uri_name);
        return TRUE;

    default:
        return gst_pad_query_default (pad, query);
    }
}
示例#9
0
static gboolean
gst_gio_base_sink_query (GstPad * pad, GstQuery * query)
{
    GstGioBaseSink *sink = GST_GIO_BASE_SINK (GST_PAD_PARENT (pad));
    GstFormat format;

    switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
        gst_query_parse_position (query, &format, NULL);
        switch (format) {
        case GST_FORMAT_BYTES:
        case GST_FORMAT_DEFAULT:
            gst_query_set_position (query, GST_FORMAT_BYTES, sink->position);
            return TRUE;
        default:
            return FALSE;
        }
    case GST_QUERY_FORMATS:
        gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
        return TRUE;
    case GST_QUERY_URI:
        if (GST_IS_URI_HANDLER (sink)) {
            const gchar *uri;

            uri = gst_uri_handler_get_uri (GST_URI_HANDLER (sink));
            gst_query_set_uri (query, uri);
            return TRUE;
        }
        return FALSE;
    default:
        return gst_pad_query_default (pad, query);
    }
}
示例#10
0
static gboolean
gst_vdp_mpeg_dec_src_query (GstPad * pad, GstQuery * query)
{
    GstVdpMpegDec *mpeg_dec = GST_VDP_MPEG_DEC (gst_pad_get_parent (pad));
    gboolean res;

    switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
        GstFormat format;

        if ((res = gst_pad_query_default (pad, query)))
            goto done;

        gst_query_parse_position (query, &format, NULL);
        if (format == GST_FORMAT_TIME &&
                GST_CLOCK_TIME_IS_VALID (mpeg_dec->next_timestamp)) {
            gst_query_set_position (query, GST_FORMAT_TIME,
                                    mpeg_dec->next_timestamp);
            res = TRUE;
        }
        break;
    }

    case GST_QUERY_DURATION:
    {
        GstFormat format;

        if ((res = gst_pad_query_default (pad, query)))
            goto done;

        gst_query_parse_duration (query, &format, NULL);
        if (format == GST_FORMAT_TIME) {
            gint64 bytes;

            format = GST_FORMAT_BYTES;
            if (gst_pad_query_duration (pad, &format, &bytes)
                    && format == GST_FORMAT_BYTES) {
                gint64 duration;

                if (gst_vdp_mpeg_dec_convert (mpeg_dec, GST_FORMAT_BYTES,
                                              bytes, GST_FORMAT_TIME, &duration)) {
                    GST_DEBUG ("duration: %" GST_TIME_FORMAT, GST_TIME_ARGS (duration));
                    gst_query_set_duration (query, GST_FORMAT_TIME, duration);
                    res = TRUE;
                }
            }
        }
        break;
    }

    default:
        res = gst_pad_query_default (pad, query);
    }

done:
    gst_object_unref (mpeg_dec);

    return res;
}
示例#11
0
static gboolean
gst_schro_dec_src_query (GstPad *pad, GstQuery *query)
{
  GstSchroDec *dec;
  gboolean res = FALSE;

  dec = GST_SCHRO_DEC (gst_pad_get_parent(pad));

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;
      gint64 time;
      gint64 value;

      gst_query_parse_position (query, &format, NULL);

      time = gst_util_uint64_scale (granulepos_to_frame (dec->granulepos),
              dec->fps_n, dec->fps_d);
      //time -= dec->segment.start;
      time += dec->segment.time;
      GST_DEBUG("query position %lld", time);
      res = gst_schro_dec_src_convert (pad, GST_FORMAT_TIME, time,
          &format, &value);
      if (!res) goto error;

      gst_query_set_position (query, format, value);
      break;
    }
    case GST_QUERY_DURATION:
      res = gst_pad_query (GST_PAD_PEER (dec->sinkpad), query);
      if (!res) goto error;
      break;
    case GST_QUERY_CONVERT:
    {
      GstFormat src_fmt, dest_fmt;
      gint64 src_val, dest_val;

      gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
      res = gst_schro_dec_src_convert (pad, src_fmt, src_val, &dest_fmt,
          &dest_val);
      if (!res) goto error;
      gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
      break;
    }
    default:
      res = gst_pad_query_default (pad, query);
      break;
  }
done:
  gst_object_unref (dec);

  return res;
error:
  GST_DEBUG_OBJECT (dec, "query failed");
  goto done;
}
示例#12
0
static gboolean
gst_wildmidi_src_query (GstPad * pad, GstQuery * query)
{
  gboolean res = TRUE;
  GstWildmidi *wildmidi = GST_WILDMIDI (gst_pad_get_parent (pad));
  GstFormat src_format, dst_format;
  gint64 src_value, dst_value;

  if (!wildmidi->song) {
    gst_object_unref (wildmidi);
    return FALSE;
  }

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_DURATION:
      gst_query_set_duration (query, GST_FORMAT_TIME,
          gst_util_uint64_scale_int (wildmidi->o_len, GST_SECOND,
              WILDMIDI_RATE));
      break;
    case GST_QUERY_POSITION:
      gst_query_set_position (query, GST_FORMAT_TIME,
          gst_util_uint64_scale_int (wildmidi->o_segment->last_stop, GST_SECOND,
              WILDMIDI_RATE));
      break;
    case GST_QUERY_CONVERT:
      gst_query_parse_convert (query, &src_format, &src_value,
          &dst_format, NULL);

      res =
          gst_wildmidi_src_convert (wildmidi, src_format, src_value,
          &dst_format, &dst_value);
      if (res)
        gst_query_set_convert (query, src_format, src_value, dst_format,
            dst_value);

      break;
    case GST_QUERY_FORMATS:
      gst_query_set_formats (query, 3,
          GST_FORMAT_TIME, GST_FORMAT_BYTES, GST_FORMAT_DEFAULT);
      break;
    case GST_QUERY_SEGMENT:
      gst_query_set_segment (query, wildmidi->o_segment->rate,
          wildmidi->o_segment->format, wildmidi->o_segment->start,
          wildmidi->o_segment->stop);
      break;
    case GST_QUERY_SEEKING:
      gst_query_set_seeking (query, wildmidi->o_segment->format,
          TRUE, 0, wildmidi->o_len);
      break;
    default:
      res = FALSE;
      break;
  }

  gst_object_unref (wildmidi);
  return res;
}
示例#13
0
static gboolean
gst_adder_query (GstPad * pad, GstQuery * query)
{
  GstAdder *adder = GST_ADDER (gst_pad_get_parent (pad));
  gboolean res = FALSE;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);

      switch (format) {
        case GST_FORMAT_TIME:
          /* FIXME, bring to stream time, might be tricky */
          gst_query_set_position (query, format, adder->timestamp);
          res = TRUE;
          break;
        case GST_FORMAT_DEFAULT:
          gst_query_set_position (query, format, adder->offset);
          res = TRUE;
          break;
        default:
          break;
      }
      break;
    }
    case GST_QUERY_DURATION:
      res = gst_adder_query_duration (adder, query);
      break;
    case GST_QUERY_LATENCY:
      res = gst_adder_query_latency (adder, query);
      break;
    default:
      /* FIXME, needs a custom query handler because we have multiple
       * sinkpads */
      res = gst_pad_query_default (pad, query);
      break;
  }

  gst_object_unref (adder);
  return res;
}
示例#14
0
static gboolean
speex_dec_src_query (GstPad * pad, GstQuery * query)
{
  GstSpeexDec *dec;
  gboolean res = FALSE;

  dec = GST_SPEEX_DEC (gst_pad_get_parent (pad));

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:{
      GstSegment segment;
      GstFormat format;
      gint64 cur;

      gst_query_parse_position (query, &format, NULL);

      GST_PAD_STREAM_LOCK (dec->sinkpad);
      segment = dec->segment;
      GST_PAD_STREAM_UNLOCK (dec->sinkpad);

      if (segment.format != GST_FORMAT_TIME) {
        GST_DEBUG_OBJECT (dec, "segment not initialised yet");
        break;
      }

      if ((res = speex_dec_convert (dec->srcpad, GST_FORMAT_TIME,
                  segment.last_stop, &format, &cur))) {
        gst_query_set_position (query, format, cur);
      }
      break;
    }
    case GST_QUERY_DURATION:{
      GstFormat format = GST_FORMAT_TIME;
      gint64 dur;

      /* get duration from demuxer */
      if (!gst_pad_query_peer_duration (dec->sinkpad, &format, &dur))
        break;

      gst_query_parse_duration (query, &format, NULL);

      /* and convert it into the requested format */
      if ((res = speex_dec_convert (dec->srcpad, GST_FORMAT_TIME,
                  dur, &format, &dur))) {
        gst_query_set_duration (query, format, dur);
      }
      break;
    }
    default:
      res = gst_pad_query_default (pad, query);
      break;
  }

  gst_object_unref (dec);
  return res;
}
示例#15
0
static gboolean
gst_timidity_src_query (GstPad * pad, GstQuery * query)
{
  gboolean res = TRUE;
  GstTimidity *timidity = GST_TIMIDITY (gst_pad_get_parent (pad));
  GstFormat src_format, dst_format;
  gint64 src_value, dst_value;

  if (!timidity->song) {
    gst_object_unref (timidity);
    return FALSE;
  }

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_DURATION:
      gst_query_set_duration (query, GST_FORMAT_TIME,
          GST_MSECOND * (gint64) mid_song_get_total_time (timidity->song));
      break;
    case GST_QUERY_POSITION:
      gst_query_set_position (query, GST_FORMAT_TIME,
          timidity->o_segment->last_stop * timidity->time_per_frame);
      break;
    case GST_QUERY_CONVERT:
      gst_query_parse_convert (query, &src_format, &src_value,
          &dst_format, NULL);

      res =
          gst_timidity_src_convert (timidity, src_format, src_value,
          &dst_format, &dst_value);
      if (res)
        gst_query_set_convert (query, src_format, src_value, dst_format,
            dst_value);

      break;
    case GST_QUERY_FORMATS:
      gst_query_set_formats (query, 3,
          GST_FORMAT_TIME, GST_FORMAT_BYTES, GST_FORMAT_DEFAULT);
      break;
    case GST_QUERY_SEGMENT:
      gst_query_set_segment (query, timidity->o_segment->rate,
          timidity->o_segment->format, timidity->o_segment->start,
          timidity->o_segment->stop);
      break;
    case GST_QUERY_SEEKING:
      gst_query_set_seeking (query, timidity->o_segment->format,
          TRUE, 0, timidity->o_len);
      break;
    default:
      res = FALSE;
      break;
  }

  gst_object_unref (timidity);
  return res;
}
gboolean
gst_splitmux_part_reader_src_query (GstSplitMuxPartReader * part,
    GstPad * src_pad, GstQuery * query)
{
  GstPad *target = NULL;
  gboolean ret;
  GList *cur;

  SPLITMUX_PART_LOCK (part);
  /* Find the pad corresponding to the visible output target pad */
  for (cur = g_list_first (part->pads); cur != NULL; cur = g_list_next (cur)) {
    GstSplitMuxPartPad *part_pad = SPLITMUX_PART_PAD_CAST (cur->data);
    if (part_pad->target == src_pad) {
      target = gst_object_ref (GST_OBJECT_CAST (part_pad));
      break;
    }
  }
  SPLITMUX_PART_UNLOCK (part);

  if (target == NULL)
    return FALSE;

  ret = gst_pad_peer_query (target, query);
  gst_object_unref (GST_OBJECT_CAST (target));

  if (ret == FALSE)
    goto out;

  /* Post-massaging of queries */
  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:{
      GstFormat fmt;
      gint64 position;

      gst_query_parse_position (query, &fmt, &position);
      if (fmt != GST_FORMAT_TIME)
        return FALSE;
      SPLITMUX_PART_LOCK (part);
      position += part->start_offset;
      GST_LOG_OBJECT (part, "Position %" GST_TIME_FORMAT,
          GST_TIME_ARGS (position));
      SPLITMUX_PART_UNLOCK (part);

      gst_query_set_position (query, fmt, position);
      break;
    }
    default:
      break;
  }

out:
  gst_object_unref (target);
  return ret;
}
示例#17
0
static gboolean
gst_fd_sink_query (GstBaseSink * bsink, GstQuery * query)
{
  gboolean res = FALSE;
  GstFdSink *fdsink;

  fdsink = GST_FD_SINK (bsink);

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);

      switch (format) {
        case GST_FORMAT_DEFAULT:
        case GST_FORMAT_BYTES:
          gst_query_set_position (query, GST_FORMAT_BYTES, fdsink->current_pos);
          res = TRUE;
          break;
        default:
          break;
      }
      break;
    }
    case GST_QUERY_FORMATS:
      gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
      res = TRUE;
      break;
    case GST_QUERY_URI:
      gst_query_set_uri (query, fdsink->uri);
      res = TRUE;
      break;
    case GST_QUERY_SEEKING:{
      GstFormat format;

      gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
      if (format == GST_FORMAT_BYTES || format == GST_FORMAT_DEFAULT) {
        gst_query_set_seeking (query, GST_FORMAT_BYTES, fdsink->seekable, 0,
            -1);
      } else {
        gst_query_set_seeking (query, format, FALSE, 0, -1);
      }
      res = TRUE;
      break;
    }
    default:
      res = GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
      break;

  }
  return res;
}
示例#18
0
static gboolean
gst_rtmp_src_query (GstBaseSrc * basesrc, GstQuery * query)
{
  gboolean ret = FALSE;
  GstRTMPSrc *src = GST_RTMP_SRC (basesrc);

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_URI:
      gst_query_set_uri (query, src->uri);
      ret = TRUE;
      break;
    case GST_QUERY_POSITION:{
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);
      if (format == GST_FORMAT_TIME) {
        gst_query_set_position (query, format, src->last_timestamp);
        ret = TRUE;
      }
      break;
    }
    case GST_QUERY_DURATION:{
      GstFormat format;
      gdouble duration;

      gst_query_parse_duration (query, &format, NULL);
      if (format == GST_FORMAT_TIME && src->rtmp) {
        duration = RTMP_GetDuration (src->rtmp);
        if (duration != 0.0) {
          gst_query_set_duration (query, format, duration * GST_SECOND);
          ret = TRUE;
        }
      }
      break;
    }
    case GST_QUERY_SCHEDULING:{
      gst_query_set_scheduling (query,
          GST_SCHEDULING_FLAG_SEQUENTIAL |
          GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED, 1, -1, 0);
      gst_query_add_scheduling_mode (query, GST_PAD_MODE_PUSH);

      ret = TRUE;
      break;
    }
    default:
      ret = FALSE;
      break;
  }

  if (!ret)
    ret = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);

  return ret;
}
示例#19
0
static gboolean
gst_vcd_parse_src_query (GstPad * pad, GstQuery * query)
{
  GstVcdParse *vcd = GST_VCD_PARSE (gst_pad_get_parent (pad));
  gboolean res = FALSE;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_DURATION:{
      GstFormat format;
      gint64 dur;

      /* first try upstream */
      if (!gst_pad_query_default (pad, query))
        break;

      /* we can only handle BYTES */
      gst_query_parse_duration (query, &format, &dur);
      if (format != GST_FORMAT_BYTES)
        break;

      gst_query_set_duration (query, GST_FORMAT_BYTES,
          gst_vcd_parse_get_out_offset (dur));

      res = TRUE;
      break;
    }
    case GST_QUERY_POSITION:{
      GstFormat format;
      gint64 pos;

      /* first try upstream */
      if (!gst_pad_query_default (pad, query))
        break;

      /* we can only handle BYTES */
      gst_query_parse_position (query, &format, &pos);
      if (format != GST_FORMAT_BYTES)
        break;

      gst_query_set_position (query, GST_FORMAT_BYTES,
          gst_vcd_parse_get_out_offset (pos));

      res = TRUE;
      break;
    }
    default:
      res = gst_pad_query_default (pad, query);
      break;
  }

  gst_object_unref (vcd);
  return res;
}
static gboolean
gst_tta_parse_query (GstPad * pad, GstQuery * query)
{
  GstTtaParse *ttaparse = GST_TTA_PARSE (gst_pad_get_parent (pad));

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;
      gint64 cur;

      gst_query_parse_position (query, &format, NULL);
      switch (format) {
        case GST_FORMAT_TIME:
          cur = ttaparse->index[ttaparse->current_frame].time;
          break;
        default:
          format = GST_FORMAT_BYTES;
          cur = ttaparse->index[ttaparse->current_frame].pos;
          break;
      }
      gst_query_set_position (query, format, cur);
      break;
    }
    case GST_QUERY_DURATION:
    {
      GstFormat format;
      gint64 end;

      gst_query_parse_duration (query, &format, NULL);
      switch (format) {
        case GST_FORMAT_TIME:
          end = ((gdouble) ttaparse->data_length /
              (gdouble) ttaparse->samplerate) * GST_SECOND;
          break;
        default:
          format = GST_FORMAT_BYTES;
          end = ttaparse->index[ttaparse->num_frames].pos +
              ttaparse->index[ttaparse->num_frames].size;
          break;
      }
      gst_query_set_duration (query, format, end);
      break;
    }
    default:
      return FALSE;
      break;
  }
  return TRUE;
}
static gboolean
gst_type_find_handle_src_query (GstPad * pad, GstQuery * query)
{
  GstTypeFindElement *typefind;
  gboolean res = FALSE;
  GstPad *peer;

  typefind = GST_TYPE_FIND_ELEMENT (GST_PAD_PARENT (pad));

  peer = gst_pad_get_peer (typefind->sink);
  if (peer == NULL)
    return FALSE;

  res = gst_pad_query (peer, query);
  if (!res)
    goto out;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
    {
      gint64 peer_pos;
      GstFormat format;

      if (typefind->store == NULL)
        goto out;

      gst_query_parse_position (query, &format, &peer_pos);

      /* FIXME: this code assumes that there's no discont in the queue */
      switch (format) {
        case GST_FORMAT_BYTES:
          peer_pos -= GST_BUFFER_SIZE (typefind->store);
          break;
        default:
          /* FIXME */
          break;
      }
      gst_query_set_position (query, format, peer_pos);
      break;
    }
    default:
      break;
  }

out:
  gst_object_unref (peer);
  return res;
}
示例#22
0
static gboolean
gst_base_video_decoder_src_query (GstPad * pad, GstQuery * query)
{
  GstBaseVideoDecoder *dec;
  gboolean res = TRUE;

  dec = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));

  switch GST_QUERY_TYPE
    (query) {
    case GST_QUERY_POSITION:
    {
      GstFormat format;
      gint64 time;

      gst_query_parse_position (query, &format, NULL);
      GST_DEBUG ("query in format %d", format);

      if (format != GST_FORMAT_TIME) {
        goto error;
      }

      time = dec->last_timestamp;
      time = gst_segment_to_stream_time (&dec->segment, GST_FORMAT_TIME, time);

      gst_query_set_position (query, format, time);

      res = TRUE;
      break;
    }

    case GST_QUERY_DURATION:
      /* FIXME: approximate using bitrate if upstream doesn't answear */
      res = gst_pad_query (dec->sinkpad, query);
      break;

    default:
      res = gst_pad_query_default (pad, query);
    }

  gst_object_unref (dec);
  return res;

error:
  GST_ERROR_OBJECT (dec, "query failed");
  gst_object_unref (dec);
  return res;
}
示例#23
0
static gboolean
gst_mve_demux_handle_src_query (GstPad * pad, GstQuery * query)
{
  gboolean res = FALSE;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:{
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);

      /* we only support TIME */
      if (format == GST_FORMAT_TIME) {
        GstMveDemuxStream *s = gst_pad_get_element_private (pad);

        if (s != NULL) {
          GST_OBJECT_LOCK (s);
          gst_query_set_position (query, GST_FORMAT_TIME, s->last_ts);
          GST_OBJECT_UNLOCK (s);
          res = TRUE;
        }
      }
      break;
    }
    case GST_QUERY_SEEKING:{
      GstFormat format;

      gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
      if (format == GST_FORMAT_TIME) {
        gst_query_set_seeking (query, GST_FORMAT_TIME, FALSE, 0, -1);
        res = TRUE;
      }
      break;
    }
    case GST_QUERY_DURATION:{
      /* FIXME: really should implement/estimate this somehow */
      res = FALSE;
      break;
    }
    default:
      res = gst_pad_query_default (pad, query);
      break;
  }

  return res;
}
示例#24
0
static gboolean
gst_deinterleave_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
  GstDeinterleave *self = GST_DEINTERLEAVE (parent);

  gboolean res;

  res = gst_pad_query_default (pad, parent, query);

  if (res && GST_QUERY_TYPE (query) == GST_QUERY_DURATION) {
    GstFormat format;

    gint64 dur;

    gst_query_parse_duration (query, &format, &dur);

    /* Need to divide by the number of channels in byte format
     * to get the correct value. All other formats should be fine
     */
    if (format == GST_FORMAT_BYTES && dur != -1)
      gst_query_set_duration (query, format,
          dur / GST_AUDIO_INFO_CHANNELS (&self->audio_info));
  } else if (res && GST_QUERY_TYPE (query) == GST_QUERY_POSITION) {
    GstFormat format;

    gint64 pos;

    gst_query_parse_position (query, &format, &pos);

    /* Need to divide by the number of channels in byte format
     * to get the correct value. All other formats should be fine
     */
    if (format == GST_FORMAT_BYTES && pos != -1)
      gst_query_set_position (query, format,
          pos / GST_AUDIO_INFO_CHANNELS (&self->audio_info));
  } else if (res && GST_QUERY_TYPE (query) == GST_QUERY_CAPS) {
    GstCaps *filter, *caps;

    gst_query_parse_caps (query, &filter);
    caps = gst_deinterleave_sink_getcaps (pad, parent, filter);
    gst_query_set_caps_result (query, caps);
    gst_caps_unref (caps);
  }

  return res;
}
示例#25
0
文件: gstmms.c 项目: zsx/ossbuild
/* FIXME operating in TIME rather than BYTES could remove this altogether
 * and be more convenient elsewhere */
static gboolean
gst_mms_query (GstBaseSrc * src, GstQuery * query)
{
  GstMMS *mmssrc = GST_MMS (src);
  gboolean res = TRUE;
  GstFormat format;
  gint64 value;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
      gst_query_parse_position (query, &format, &value);
      if (format != GST_FORMAT_BYTES) {
        res = FALSE;
        break;
      }
      value = (gint64) mmsx_get_current_pos (mmssrc->connection);
      gst_query_set_position (query, format, value);
      break;
    case GST_QUERY_DURATION:
      if (!mmsx_get_seekable (mmssrc->connection)) {
        res = FALSE;
        break;
      }
      gst_query_parse_duration (query, &format, &value);
      switch (format) {
        case GST_FORMAT_BYTES:
          value = (gint64) mmsx_get_length (mmssrc->connection);
          gst_query_set_duration (query, format, value);
          break;
        case GST_FORMAT_TIME:
          value = mmsx_get_time_length (mmssrc->connection) * GST_SECOND;
          gst_query_set_duration (query, format, value);
          break;
        default:
          res = FALSE;
      }
      break;
    default:
      /* chain to parent */
      res =
          GST_BASE_SRC_CLASS (parent_class)->query (GST_BASE_SRC (src), query);
      break;
  }

  return res;
}
示例#26
0
static gboolean
gst_mms_src_query (GstPad * pad, GstQuery * query)
{

  GstMMS *mmssrc = GST_MMS (gst_pad_get_parent (pad));
  gboolean res = TRUE;
  GstFormat format;
  gint64 value;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
      gst_query_parse_position (query, &format, &value);
      if (format != GST_FORMAT_BYTES) {
        res = FALSE;
        break;
      }
      if (mmssrc->connection) {
        value = (gint64) mms_get_current_pos (mmssrc->connection);
      } else {
        value = (gint64) mmsh_get_current_pos (mmssrc->connection_h);
      }
      gst_query_set_position (query, format, value);
      break;
    case GST_QUERY_DURATION:
      gst_query_parse_duration (query, &format, &value);
      if (format != GST_FORMAT_BYTES) {
        res = FALSE;
        break;
      }
      if (mmssrc->connection) {
        value = (gint64) mms_get_length (mmssrc->connection);
      } else {
        value = (gint64) mmsh_get_length (mmssrc->connection_h);
      }
      gst_query_set_duration (query, format, value);
      break;
    default:
      res = FALSE;
      break;
  }

  gst_object_unref (mmssrc);
  return res;

}
示例#27
0
static gboolean
gst_spc_dec_src_query (GstPad * pad, GstQuery * query)
{
  GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
  gboolean result = TRUE;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_DURATION:
    {
      GstFormat format;

      gst_query_parse_duration (query, &format, NULL);
      if (!spc->initialized || format != GST_FORMAT_TIME) {
        result = FALSE;
        break;
      }
      gst_query_set_duration (query, GST_FORMAT_TIME,
          gst_spc_duration (spc) + gst_spc_fadeout (spc));
      break;
    }
    case GST_QUERY_POSITION:
    {
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);
      if (!spc->initialized || format != GST_FORMAT_TIME) {
        result = FALSE;
        break;
      }
      gst_query_set_position (query, GST_FORMAT_TIME,
          (gint64) gst_util_uint64_scale (spc->byte_pos, GST_SECOND,
              32000 * 2 * 2));
      break;
    }
    default:
      result = gst_pad_query_default (pad, query);
      break;
  }

  gst_object_unref (spc);

  return result;
}
示例#28
0
static gboolean
gst_live_adder_query_position (GstLiveAdder * adder, GstQuery * query)
{
    GstFormat format;
    gint64 max;
    gboolean res;

    /* parse format */
    gst_query_parse_position (query, &format, NULL);

    res = gst_live_adder_query_pos_dur (adder, format, TRUE, &max);

    if (res) {
        /* and store the max */
        gst_query_set_position (query, format, max);
    }

    return res;
}
示例#29
0
static gboolean
gst_gio_base_sink_query (GstBaseSink * bsink, GstQuery * query)
{
  GstGioBaseSink *sink = GST_GIO_BASE_SINK (bsink);
  GstFormat format;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_POSITION:
      gst_query_parse_position (query, &format, NULL);
      switch (format) {
        case GST_FORMAT_BYTES:
        case GST_FORMAT_DEFAULT:
          gst_query_set_position (query, format, sink->position);
          return TRUE;
        default:
          return FALSE;
      }
    case GST_QUERY_FORMATS:
      gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
      return TRUE;
    case GST_QUERY_URI:
      if (GST_IS_URI_HANDLER (sink)) {
        gchar *uri;

        uri = gst_uri_handler_get_uri (GST_URI_HANDLER (sink));
        gst_query_set_uri (query, uri);
        g_free (uri);
        return TRUE;
      }
      return FALSE;
    case GST_QUERY_SEEKING:
      gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
      if (format == GST_FORMAT_BYTES || format == GST_FORMAT_DEFAULT) {
        gst_query_set_seeking (query, format,
            GST_GIO_STREAM_IS_SEEKABLE (sink->stream), 0, -1);
      } else {
        gst_query_set_seeking (query, format, FALSE, 0, -1);
      }
      return TRUE;
    default:
      return GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
  }
}
示例#30
0
static gboolean
gst_gme_dec_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
  GstGmeDec *gme = GST_GME_DEC (parent);
  gboolean result = TRUE;

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_DURATION:
    {
      GstFormat format;

      gst_query_parse_duration (query, &format, NULL);
      if (!gme->initialized || format != GST_FORMAT_TIME
          || gme->total_duration == GST_CLOCK_TIME_NONE) {
        result = FALSE;
        break;
      }
      gst_query_set_duration (query, GST_FORMAT_TIME, gme->total_duration);
      break;
    }
    case GST_QUERY_POSITION:
    {
      GstFormat format;

      gst_query_parse_position (query, &format, NULL);
      if (!gme->initialized || format != GST_FORMAT_TIME) {
        result = FALSE;
        break;
      }
      gst_query_set_position (query, GST_FORMAT_TIME,
          (gint64) gme_tell (gme->player) * GST_MSECOND);
      break;
    }
    default:
      result = gst_pad_query_default (pad, parent, query);
      break;
  }

  return result;
}