Example #1
0
static void
create_fingerprint (GstOFA * ofa)
{
  GstBuffer *buf;
  gint rate = GST_AUDIO_FILTER (ofa)->format.rate;
  gint channels = GST_AUDIO_FILTER (ofa)->format.channels;
  gint endianness =
      (GST_AUDIO_FILTER (ofa)->format.
      bigend) ? OFA_BIG_ENDIAN : OFA_LITTLE_ENDIAN;
  GstTagList *tags;

  GST_DEBUG ("Generating fingerprint");

  buf =
      gst_adapter_take_buffer (ofa->adapter,
      gst_adapter_available (ofa->adapter));

  ofa->fingerprint = g_strdup (ofa_create_print (GST_BUFFER_DATA (buf),
          endianness, GST_BUFFER_SIZE (buf) / 2, rate,
          (channels == 2) ? 1 : 0));

  GST_DEBUG ("Generated fingerprint");

  gst_buffer_unref (buf);

  tags = gst_tag_list_new ();
  gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
      GST_TAG_OFA_FINGERPRINT, ofa->fingerprint, NULL);
  gst_element_found_tags (GST_ELEMENT (ofa), tags);

  ofa->record = FALSE;
}
Example #2
0
static void
create_fingerprint (GstOFA * ofa)
{
  GstBuffer *buf;
  GstAudioFilter *ofa_filter = GST_AUDIO_FILTER (ofa);
  gint rate = ofa_filter->format.rate;
  gint channels = ofa_filter->format.channels;
  gint endianness =
      ofa_filter->format.bigend ? OFA_BIG_ENDIAN : OFA_LITTLE_ENDIAN;
  GstTagList *tags;
  guint available;

  available = gst_adapter_available (ofa->adapter);

  if (available == 0) {
    GST_WARNING_OBJECT (ofa, "No data to take fingerprint from");
    ofa->record = FALSE;
    return;
  }

  if (GST_AUDIO_FILTER (ofa)->format.bigend)
    endianness = OFA_BIG_ENDIAN;
  else
    endianness = OFA_LITTLE_ENDIAN;


  GST_DEBUG_OBJECT (ofa, "Generating fingerprint for %u samples",
      available / 2);

  buf = gst_adapter_take_buffer (ofa->adapter, available);

  ofa->fingerprint = g_strdup (ofa_create_print (GST_BUFFER_DATA (buf),
          endianness, GST_BUFFER_SIZE (buf) / 2, rate,
          (channels == 2) ? 1 : 0));

  if (ofa->fingerprint) {
    GST_INFO_OBJECT (ofa, "Generated fingerprint: %s", ofa->fingerprint);
  } else {
    GST_WARNING_OBJECT (ofa, "Failed to generate fingerprint");
  }

  gst_buffer_unref (buf);

  if (ofa->fingerprint) {
    tags = gst_tag_list_new ();
    gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
        GST_TAG_OFA_FINGERPRINT, ofa->fingerprint, NULL);
    gst_element_found_tags (GST_ELEMENT (ofa), tags);

    g_object_notify (G_OBJECT (ofa), "fingerprint");
  }

  ofa->record = FALSE;
}
Example #3
0
static GstFlowReturn
gst_tag_inject_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
  GstTagInject *self = GST_TAG_INJECT (trans);

  if (G_UNLIKELY (!self->tags_sent)) {
    self->tags_sent = TRUE;
    /* send tags */
    if (self->tags && !gst_tag_list_is_empty (self->tags)) {
      GST_DEBUG ("tag event :%" GST_PTR_FORMAT, self->tags);
      gst_element_found_tags (GST_ELEMENT (trans),
          gst_tag_list_copy (self->tags));
    }
  }

  return GST_FLOW_OK;
}
Example #4
0
void test_element_found_tags()
{
  GstElement *pipeline, *fakesrc, *fakesink;
  GstTagList *list;
  GstBus *bus;
  GstMessage *message;
  
  xmlfile = "gstutils_test_element_found_tags";
  std_log(LOG_FILENAME_LINE, "Test Started gstutils_test_element_found_tags");

  pipeline = gst_element_factory_make ("pipeline", NULL);
  fakesrc = gst_element_factory_make ("fakesrc", NULL);
  fakesink = gst_element_factory_make ("fakesink", NULL);
  list = gst_tag_list_new ();

  g_object_set (fakesrc, "num-buffers", (int) 10, NULL);

  gst_bin_add_many (GST_BIN (pipeline), fakesrc, fakesink, NULL);
  gst_element_link (fakesrc, fakesink);

  gst_element_set_state (pipeline, GST_STATE_PLAYING);

  gst_element_found_tags (GST_ELEMENT (fakesrc), list);

  bus = gst_element_get_bus (pipeline);
  message = gst_bus_poll (bus, GST_MESSAGE_EOS, -1);
  gst_message_unref (message);
  gst_object_unref (bus);

  /* FIXME: maybe also check if the fakesink receives the message */

  gst_element_set_state (pipeline, GST_STATE_NULL);
  gst_object_unref (pipeline);
  
  std_log(LOG_FILENAME_LINE, "Test Successful");
  create_xml(0);
}
Example #5
0
static void
gst_soup_http_src_got_headers_cb (SoupMessage * msg, GstSoupHTTPSrc * src)
{
  const char *value;
  GstTagList *tag_list;
  GstBaseSrc *basesrc;
  guint64 newsize;
  GHashTable *params = NULL;

  GST_DEBUG_OBJECT (src, "got headers:");
  soup_message_headers_foreach (msg->response_headers,
      gst_soup_http_src_headers_foreach, src);

  if (msg->status_code == 407 && src->proxy_id && src->proxy_pw)
    return;

  if (src->automatic_redirect && SOUP_STATUS_IS_REDIRECTION (msg->status_code)) {
    GST_DEBUG_OBJECT (src, "%u redirect to \"%s\"", msg->status_code,
        soup_message_headers_get_one (msg->response_headers, "Location"));
    return;
  }

  if (msg->status_code == SOUP_STATUS_UNAUTHORIZED)
    return;

  src->session_io_status = GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING;

  /* Parse Content-Length. */
  if (soup_message_headers_get_encoding (msg->response_headers) ==
      SOUP_ENCODING_CONTENT_LENGTH) {
    newsize = src->request_position +
        soup_message_headers_get_content_length (msg->response_headers);
    if (!src->have_size || (src->content_size != newsize)) {
      src->content_size = newsize;
      src->have_size = TRUE;
      src->seekable = TRUE;
      GST_DEBUG_OBJECT (src, "size = %" G_GUINT64_FORMAT, src->content_size);

      basesrc = GST_BASE_SRC_CAST (src);
      gst_segment_set_duration (&basesrc->segment, GST_FORMAT_BYTES,
          src->content_size);
      gst_element_post_message (GST_ELEMENT (src),
          gst_message_new_duration (GST_OBJECT (src), GST_FORMAT_BYTES,
              src->content_size));
    }
  }

  /* Icecast stuff */
  tag_list = gst_tag_list_new ();

  if ((value =
          soup_message_headers_get_one (msg->response_headers,
              "icy-metaint")) != NULL) {
    gint icy_metaint = atoi (value);

    GST_DEBUG_OBJECT (src, "icy-metaint: %s (parsed: %d)", value, icy_metaint);
    if (icy_metaint > 0) {
      if (src->src_caps)
        gst_caps_unref (src->src_caps);

      src->src_caps = gst_caps_new_simple ("application/x-icy",
          "metadata-interval", G_TYPE_INT, icy_metaint, NULL);
    }
  }
  if ((value =
          soup_message_headers_get_content_type (msg->response_headers,
              &params)) != NULL) {
    GST_DEBUG_OBJECT (src, "Content-Type: %s", value);
    if (g_ascii_strcasecmp (value, "audio/L16") == 0) {
      gint channels = 2;
      gint rate = 44100;
      char *param;

      if (src->src_caps)
        gst_caps_unref (src->src_caps);

      param = g_hash_table_lookup (params, "channels");
      if (param != NULL)
        channels = atol (param);

      param = g_hash_table_lookup (params, "rate");
      if (param != NULL)
        rate = atol (param);

      src->src_caps = gst_caps_new_simple ("audio/x-raw-int",
          "channels", G_TYPE_INT, channels,
          "rate", G_TYPE_INT, rate,
          "width", G_TYPE_INT, 16,
          "depth", G_TYPE_INT, 16,
          "signed", G_TYPE_BOOLEAN, TRUE,
          "endianness", G_TYPE_INT, G_BIG_ENDIAN, NULL);
    } else {
      /* Set the Content-Type field on the caps */
      if (src->src_caps)
        gst_caps_set_simple (src->src_caps, "content-type", G_TYPE_STRING,
            value, NULL);
    }
  }

  if (params != NULL)
    g_hash_table_destroy (params);

  if ((value =
          soup_message_headers_get_one (msg->response_headers,
              "icy-name")) != NULL) {
    g_free (src->iradio_name);
    src->iradio_name = gst_soup_http_src_unicodify (value);
    if (src->iradio_name) {
      g_object_notify (G_OBJECT (src), "iradio-name");
      gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, GST_TAG_ORGANIZATION,
          src->iradio_name, NULL);
    }
  }
  if ((value =
          soup_message_headers_get_one (msg->response_headers,
              "icy-genre")) != NULL) {
    g_free (src->iradio_genre);
    src->iradio_genre = gst_soup_http_src_unicodify (value);
    if (src->iradio_genre) {
      g_object_notify (G_OBJECT (src), "iradio-genre");
      gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, GST_TAG_GENRE,
          src->iradio_genre, NULL);
    }
  }
  if ((value = soup_message_headers_get_one (msg->response_headers, "icy-url"))
      != NULL) {
    g_free (src->iradio_url);
    src->iradio_url = gst_soup_http_src_unicodify (value);
    if (src->iradio_url) {
      g_object_notify (G_OBJECT (src), "iradio-url");
      gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, GST_TAG_LOCATION,
          src->iradio_url, NULL);
    }
  }
  if (!gst_tag_list_is_empty (tag_list)) {
    GST_DEBUG_OBJECT (src,
        "calling gst_element_found_tags with %" GST_PTR_FORMAT, tag_list);
    gst_element_found_tags (GST_ELEMENT_CAST (src), tag_list);
  } else {
    gst_tag_list_free (tag_list);
  }

  /* Handle HTTP errors. */
  gst_soup_http_src_parse_status (msg, src);

  /* Check if Range header was respected. */
  if (src->ret == GST_FLOW_CUSTOM_ERROR &&
      src->read_position && msg->status_code != SOUP_STATUS_PARTIAL_CONTENT) {
    src->seekable = FALSE;
    GST_ELEMENT_ERROR (src, RESOURCE, SEEK,
        (_("Server does not support seeking.")),
        ("Server does not accept Range HTTP header, URL: %s", src->location));
    src->ret = GST_FLOW_ERROR;
  }
}
Example #6
0
static void
gst_timidity_loop (GstPad * sinkpad)
{
  GstTimidity *timidity = GST_TIMIDITY (GST_PAD_PARENT (sinkpad));
  GstBuffer *out;
  GstFlowReturn ret;

  if (timidity->mididata_size == 0) {
    if (!gst_timidity_get_upstream_size (timidity, &timidity->mididata_size)) {
      GST_ELEMENT_ERROR (timidity, STREAM, DECODE, (NULL),
          ("Unable to get song length"));
      goto paused;
    }

    if (timidity->mididata)
      g_free (timidity->mididata);

    timidity->mididata = g_malloc (timidity->mididata_size);
    timidity->mididata_offset = 0;
    return;
  }

  if (timidity->mididata_offset < timidity->mididata_size) {
    GstBuffer *buffer;
    gint64 size;

    GST_DEBUG_OBJECT (timidity, "loading song");

    ret =
        gst_pad_pull_range (timidity->sinkpad, timidity->mididata_offset,
        -1, &buffer);
    if (ret != GST_FLOW_OK) {
      GST_ELEMENT_ERROR (timidity, STREAM, DECODE, (NULL),
          ("Unable to load song"));
      goto paused;
    }

    size = timidity->mididata_size - timidity->mididata_offset;
    if (GST_BUFFER_SIZE (buffer) < size)
      size = GST_BUFFER_SIZE (buffer);

    memmove (timidity->mididata + timidity->mididata_offset,
        GST_BUFFER_DATA (buffer), size);
    gst_buffer_unref (buffer);

    timidity->mididata_offset += size;
    GST_DEBUG_OBJECT (timidity, "Song loaded");
    return;
  }

  if (!timidity->song) {
    MidIStream *stream;
    GstTagList *tags = NULL;
    gchar *text;

    GST_DEBUG_OBJECT (timidity, "Parsing song");

    stream =
        mid_istream_open_mem (timidity->mididata, timidity->mididata_size, 0);

    timidity->song = mid_song_load (stream, timidity->song_options);
    mid_istream_close (stream);

    if (!timidity->song) {
      GST_ELEMENT_ERROR (timidity, STREAM, DECODE, (NULL),
          ("Unable to parse midi"));
      goto paused;
    }

    mid_song_start (timidity->song);
    timidity->o_len = (GST_MSECOND *
        (GstClockTime) mid_song_get_total_time (timidity->song)) /
        timidity->time_per_frame;
    gst_segment_set_newsegment (timidity->o_segment, FALSE, 1.0,
        GST_FORMAT_DEFAULT, 0, GST_CLOCK_TIME_NONE, 0);


    gst_pad_push_event (timidity->srcpad,
        gst_timidity_get_new_segment_event (timidity, GST_FORMAT_TIME, FALSE));

    /* extract tags */
    text = mid_song_get_meta (timidity->song, MID_SONG_TEXT);
    if (text) {
      tags = gst_tag_list_new ();
      gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, GST_TAG_TITLE, text, NULL);

      //g_free (text);
    }

    text = mid_song_get_meta (timidity->song, MID_SONG_COPYRIGHT);
    if (text) {
      if (tags == NULL)
        tags = gst_tag_list_new ();
      gst_tag_list_add (tags, GST_TAG_MERGE_APPEND,
          GST_TAG_COPYRIGHT, text, NULL);

      //g_free (text);
    }

    if (tags) {
      gst_element_found_tags (GST_ELEMENT (timidity), tags);
    }

    GST_DEBUG_OBJECT (timidity, "Parsing song done");
    return;
  }

  if (timidity->o_segment_changed) {
    GstSegment *segment = gst_timidity_get_segment (timidity, GST_FORMAT_TIME,
        !timidity->o_new_segment);

    GST_LOG_OBJECT (timidity,
        "sending newsegment from %" GST_TIME_FORMAT "-%" GST_TIME_FORMAT
        ", pos=%" GST_TIME_FORMAT, GST_TIME_ARGS ((guint64) segment->start),
        GST_TIME_ARGS ((guint64) segment->stop),
        GST_TIME_ARGS ((guint64) segment->time));

    if (timidity->o_segment->flags & GST_SEEK_FLAG_SEGMENT) {
      gst_element_post_message (GST_ELEMENT (timidity),
          gst_message_new_segment_start (GST_OBJECT (timidity),
              segment->format, segment->start));
    }

    gst_segment_free (segment);
    timidity->o_segment_changed = FALSE;
    return;
  }

  if (timidity->o_seek) {
    /* perform a seek internally */
    timidity->o_segment->last_stop = timidity->o_segment->time;
    mid_song_seek (timidity->song,
        (timidity->o_segment->last_stop * timidity->time_per_frame) /
        GST_MSECOND);
  }

  out = gst_timidity_get_buffer (timidity);
  if (!out) {
    GST_LOG_OBJECT (timidity, "Song ended, generating eos");
    gst_pad_push_event (timidity->srcpad, gst_event_new_eos ());
    timidity->o_seek = FALSE;
    goto paused;
  }

  if (timidity->o_seek) {
    GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DISCONT);
    timidity->o_seek = FALSE;
  }

  gst_buffer_set_caps (out, timidity->out_caps);
  ret = gst_pad_push (timidity->srcpad, out);

  if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED)
    goto error;

  return;

paused:
  {
    GST_DEBUG_OBJECT (timidity, "pausing task");
    gst_pad_pause_task (timidity->sinkpad);
    return;
  }
error:
  {
    GST_ELEMENT_ERROR (timidity, STREAM, FAILED,
        ("Internal data stream error"),
        ("Streaming stopped, reason %s", gst_flow_get_name (ret)));
    gst_pad_push_event (timidity->srcpad, gst_event_new_eos ());
    goto paused;
  }
}
static gboolean
gst_musepack_stream_init (GstMusepackDec * musepackdec)
{
    mpc_streaminfo i;
    GstTagList *tags;
    GstCaps *caps;

    /* set up reading */
    gst_musepack_init_reader (musepackdec->r, musepackdec);

#ifdef MPC_IS_OLD_API
    /* streaminfo */
    mpc_streaminfo_init (&i);
    if (mpc_streaminfo_read (&i, musepackdec->r) < 0) {
        GST_ELEMENT_ERROR (musepackdec, STREAM, WRONG_TYPE, (NULL), (NULL));
        return FALSE;
    }

    /* decoding */
    mpc_decoder_setup (musepackdec->d, musepackdec->r);
    mpc_decoder_scale_output (musepackdec->d, 1.0);
    if (!mpc_decoder_initialize (musepackdec->d, &i)) {
        GST_ELEMENT_ERROR (musepackdec, STREAM, WRONG_TYPE, (NULL), (NULL));
        return FALSE;
    }
#else
    musepackdec->d = mpc_demux_init (musepackdec->r);
    if (!musepackdec->d) {
        GST_ELEMENT_ERROR (musepackdec, STREAM, WRONG_TYPE, (NULL), (NULL));
        return FALSE;
    }

    mpc_demux_get_info (musepackdec->d, &i);
#endif

    /* capsnego */
    caps = gst_caps_from_string (BASE_CAPS);
    gst_caps_set_simple (caps,
                         "endianness", G_TYPE_INT, G_BYTE_ORDER,
                         "channels", G_TYPE_INT, i.channels,
                         "rate", G_TYPE_INT, i.sample_freq, NULL);
    gst_pad_use_fixed_caps (musepackdec->srcpad);
    if (!gst_pad_set_caps (musepackdec->srcpad, caps)) {
        GST_ELEMENT_ERROR (musepackdec, CORE, NEGOTIATION, (NULL), (NULL));
        return FALSE;
    }

    g_atomic_int_set (&musepackdec->bps, 4 * i.channels);
    g_atomic_int_set (&musepackdec->rate, i.sample_freq);

    gst_segment_set_last_stop (&musepackdec->segment, GST_FORMAT_DEFAULT, 0);
    gst_segment_set_duration (&musepackdec->segment, GST_FORMAT_DEFAULT,
                              mpc_streaminfo_get_length_samples (&i));

    /* send basic tags */
    tags = gst_tag_list_new ();
    gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
                      GST_TAG_AUDIO_CODEC, "Musepack", NULL);

    if (i.encoder[0] != '\0' && i.encoder_version > 0) {
        gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
                          GST_TAG_ENCODER, i.encoder,
                          GST_TAG_ENCODER_VERSION, i.encoder_version, NULL);
    }

    if (i.bitrate > 0) {
        gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
                          GST_TAG_BITRATE, i.bitrate, NULL);
    } else if (i.average_bitrate > 0.0) {
        gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
                          GST_TAG_BITRATE, (guint) i.average_bitrate, NULL);
    }

    if (i.gain_title != 0 || i.gain_album != 0) {
        gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
                          GST_TAG_TRACK_GAIN, (gdouble) i.gain_title / 100.0,
                          GST_TAG_ALBUM_GAIN, (gdouble) i.gain_album / 100.0, NULL);
    }

    if (i.peak_title != 0 && i.peak_title != 32767 &&
            i.peak_album != 0 && i.peak_album != 32767) {
        gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
                          GST_TAG_TRACK_PEAK, (gdouble) i.peak_title / 32767.0,
                          GST_TAG_ALBUM_PEAK, (gdouble) i.peak_album / 32767.0, NULL);
    }

    GST_LOG_OBJECT (musepackdec, "Posting tags: %" GST_PTR_FORMAT, tags);
    gst_element_found_tags (GST_ELEMENT (musepackdec), tags);

    return TRUE;
}
Example #8
0
static GstFlowReturn
gst_rsvg_dec_chain (GstPad * pad, GstBuffer * buffer)
{
  GstRsvgDec *rsvg = GST_RSVG_DEC (GST_PAD_PARENT (pad));
  gboolean completed = FALSE;
  const guint8 *data;
  guint size;
  gboolean ret = GST_FLOW_OK;

  /* first_timestamp is used slightly differently where a framerate
     is given or not.
     If there is a frame rate, it will be used as a base.
     If there is not, it will be used to keep track of the timestamp
     of the first buffer, to be used as the timestamp of the output
     buffer. When a buffer is output, first timestamp will resync to
     the next buffer's timestamp. */
  if (rsvg->first_timestamp == GST_CLOCK_TIME_NONE) {
    if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
      rsvg->first_timestamp = GST_BUFFER_TIMESTAMP (buffer);
    else if (rsvg->fps_n != 0)
      rsvg->first_timestamp = 0;
  }

  gst_adapter_push (rsvg->adapter, buffer);

  size = gst_adapter_available (rsvg->adapter);

  /* "<svg></svg>" */
  while (size >= 5 + 6 && ret == GST_FLOW_OK) {
    guint i;

    data = gst_adapter_peek (rsvg->adapter, size);
    for (i = size - 6; i >= 5; i--) {
      if (memcmp (data + i, "</svg>", 6) == 0) {
        completed = TRUE;
        size = i + 6;
        break;
      }
    }

    if (completed) {
      GstBuffer *outbuf = NULL;

      GST_LOG_OBJECT (rsvg, "have complete svg of %u bytes", size);

      data = gst_adapter_peek (rsvg->adapter, size);

      ret = gst_rsvg_decode_image (rsvg, data, size, &outbuf);
      if (ret != GST_FLOW_OK)
        break;


      if (rsvg->first_timestamp != GST_CLOCK_TIME_NONE) {
        GST_BUFFER_TIMESTAMP (outbuf) = rsvg->first_timestamp;
        GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
        if (GST_BUFFER_DURATION_IS_VALID (buffer)) {
          GstClockTime end =
              GST_BUFFER_TIMESTAMP_IS_VALID (buffer) ?
              GST_BUFFER_TIMESTAMP (buffer) : rsvg->first_timestamp;
          end += GST_BUFFER_DURATION (buffer);
          GST_BUFFER_DURATION (outbuf) = end - GST_BUFFER_TIMESTAMP (outbuf);
        }
        if (rsvg->fps_n == 0) {
          rsvg->first_timestamp = GST_CLOCK_TIME_NONE;
        } else {
          GST_BUFFER_DURATION (outbuf) =
              gst_util_uint64_scale (rsvg->frame_count, rsvg->fps_d,
              rsvg->fps_n * GST_SECOND);
        }
      } else if (rsvg->fps_n != 0) {
        GST_BUFFER_TIMESTAMP (outbuf) =
            rsvg->first_timestamp + gst_util_uint64_scale (rsvg->frame_count,
            rsvg->fps_d, rsvg->fps_n * GST_SECOND);
        GST_BUFFER_DURATION (outbuf) =
            gst_util_uint64_scale (rsvg->frame_count, rsvg->fps_d,
            rsvg->fps_n * GST_SECOND);
      } else {
        GST_BUFFER_TIMESTAMP (outbuf) = rsvg->first_timestamp;
        GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
      }
      rsvg->frame_count++;

      if (rsvg->need_newsegment) {
        gst_pad_push_event (rsvg->srcpad,
            gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
        rsvg->need_newsegment = FALSE;
      }

      if (rsvg->pending_events) {
        GList *l;

        for (l = rsvg->pending_events; l; l = l->next)
          gst_pad_push_event (rsvg->srcpad, l->data);
        g_list_free (rsvg->pending_events);
        rsvg->pending_events = NULL;
      }

      if (rsvg->pending_tags) {
        gst_element_found_tags (GST_ELEMENT_CAST (rsvg), rsvg->pending_tags);
        rsvg->pending_tags = NULL;
      }

      GST_LOG_OBJECT (rsvg, "image rendered okay");

      ret = gst_pad_push (rsvg->srcpad, outbuf);
      if (ret != GST_FLOW_OK)
        break;

      gst_adapter_flush (rsvg->adapter, size);
      size = gst_adapter_available (rsvg->adapter);
      continue;
    } else {
      break;
    }
  }

  return GST_FLOW_OK;
}
Example #9
0
GstFlowReturn
gst_swfdec_chain (GstPad * pad, GstBuffer * buffer)
{
  GstFlowReturn res = GST_FLOW_OK;
  int ret;
  GstSwfdec *swfdec = GST_SWFDEC (GST_PAD_PARENT (pad));

  g_static_rec_mutex_lock (&swfdec->mutex);
  GST_DEBUG_OBJECT (swfdec, "about to call swfdec_decoder_parse");
  ret = swfdec_decoder_parse (swfdec->decoder);
  if (ret == SWF_NEEDBITS) {
    guint buf_size;
    GstBuffer *prev_buffer;

    GST_DEBUG_OBJECT (swfdec, "SWF_NEEDBITS, feeding data to swfdec-decoder");
    buf_size = gst_adapter_available (swfdec->adapter);
    if (buf_size) {
      prev_buffer = gst_buffer_new_and_alloc (buf_size);
      memcpy (GST_BUFFER_DATA (prev_buffer), gst_adapter_peek (swfdec->adapter,
              buf_size), buf_size);
      gst_adapter_flush (swfdec->adapter, buf_size);

      swfdec_decoder_add_buffer (swfdec->decoder,
          gst_swfdec_buffer_to_swf (prev_buffer));
    }

    swfdec_decoder_add_buffer (swfdec->decoder,
        gst_swfdec_buffer_to_swf (buffer));

  } else if (ret == SWF_CHANGE) {

    GstCaps *caps;
    double rate;

    GstTagList *taglist;

    GST_DEBUG_OBJECT (swfdec, "SWF_CHANGE");
    gst_adapter_push (swfdec->adapter, buffer);

    swfdec_decoder_get_image_size (swfdec->decoder,
        &swfdec->width, &swfdec->height);
    swfdec_decoder_get_rate (swfdec->decoder, &rate);
    swfdec->interval = GST_SECOND / rate;

    swfdec->frame_rate_n = (int) (rate * 256.0);
    swfdec->frame_rate_d = 256;

    caps = gst_caps_copy (gst_pad_get_pad_template_caps (swfdec->videopad));
    gst_caps_set_simple (caps,
        "framerate", GST_TYPE_FRACTION, swfdec->frame_rate_n,
        swfdec->frame_rate_d, "height", G_TYPE_INT, swfdec->height, "width",
        G_TYPE_INT, swfdec->width, NULL);
    if (gst_pad_set_caps (swfdec->videopad, caps)) {
      /* good */
    } else {
      gst_caps_unref (caps);
      GST_ELEMENT_ERROR (swfdec, CORE, NEGOTIATION, (NULL), (NULL));
      res = GST_FLOW_ERROR;
      goto done;
    }
    gst_caps_unref (caps);

    caps = gst_caps_copy (gst_pad_get_pad_template_caps (swfdec->audiopad));
    if (gst_pad_set_caps (swfdec->audiopad, caps)) {
      swfdec->have_format = TRUE;
    } else {
      gst_caps_unref (caps);
      GST_ELEMENT_ERROR (swfdec, CORE, NEGOTIATION, (NULL), (NULL));
      res = GST_FLOW_ERROR;
      goto done;
    }

    gst_caps_unref (caps);


    taglist = gst_tag_list_new ();
    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
        GST_TAG_ENCODER_VERSION, swfdec_decoder_get_version (swfdec->decoder),
        NULL);
    gst_element_found_tags (GST_ELEMENT (swfdec), taglist);
  } else if (ret == SWF_EOF) {
    GST_DEBUG_OBJECT (swfdec, "SWF_EOF");
    gst_swfdec_render (swfdec, ret);
    gst_task_start (swfdec->task);
  }

done:
  g_static_rec_mutex_unlock (&swfdec->mutex);
  return res;

}
Example #10
0
static GstFlowReturn
gst_rsvg_dec_chain (GstPad * pad, GstBuffer * buffer)
{
  GstRsvgDec *rsvg = GST_RSVG_DEC (gst_pad_get_parent (pad));
  gboolean completed = FALSE;
  const guint8 *data;
  guint size;
  gboolean ret = GST_FLOW_OK;

  if (rsvg->timestamp_offset == GST_CLOCK_TIME_NONE) {
    if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
      rsvg->timestamp_offset = GST_BUFFER_TIMESTAMP (buffer);
    else
      rsvg->timestamp_offset = 0;
  }

  gst_adapter_push (rsvg->adapter, buffer);

  size = gst_adapter_available (rsvg->adapter);

  /* "<svg></svg>" */
  while (size >= 5 + 6 && ret == GST_FLOW_OK) {
    guint i;

    data = gst_adapter_peek (rsvg->adapter, size);
    for (i = size - 6; i >= 5; i--) {
      if (memcmp (data + i, "</svg>", 6) == 0) {
        completed = TRUE;
        size = i + 6;
        break;
      }
    }

    if (completed) {
      GstBuffer *outbuf = NULL;

      data = gst_adapter_peek (rsvg->adapter, size);

      ret = gst_rsvg_decode_image (rsvg, data, size, &outbuf);
      if (ret != GST_FLOW_OK)
        break;


      if (rsvg->fps_n != 0) {
        GST_BUFFER_TIMESTAMP (outbuf) =
            rsvg->timestamp_offset + gst_util_uint64_scale (rsvg->frame_count,
            rsvg->fps_d, rsvg->fps_n * GST_SECOND);
        GST_BUFFER_DURATION (outbuf) =
            gst_util_uint64_scale (rsvg->frame_count, rsvg->fps_d,
            rsvg->fps_n * GST_SECOND);
      } else {
        GST_BUFFER_TIMESTAMP (outbuf) = 0;
      }
      rsvg->frame_count++;

      if (rsvg->need_newsegment) {
        gst_pad_push_event (rsvg->srcpad,
            gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
        rsvg->need_newsegment = FALSE;
      }

      if (rsvg->pending_events) {
        GList *l;

        for (l = rsvg->pending_events; l; l = l->next)
          gst_pad_push_event (rsvg->srcpad, l->data);
        g_list_free (rsvg->pending_events);
        rsvg->pending_events = NULL;
      }

      if (rsvg->pending_tags) {
        gst_element_found_tags (GST_ELEMENT_CAST (rsvg), rsvg->pending_tags);
        rsvg->pending_tags = NULL;
      }

      ret = gst_pad_push (rsvg->srcpad, outbuf);
      if (ret != GST_FLOW_OK)
        break;

      gst_adapter_flush (rsvg->adapter, size);
      size = gst_adapter_available (rsvg->adapter);
      continue;
    } else {
      break;
    }
  }

  gst_object_unref (rsvg);

  return GST_FLOW_OK;
}