Beispiel #1
0
static gchar *
gst_rtmp_src_uri_get_uri (GstURIHandler * handler)
{
  GstRTMPSrc *src = GST_RTMP_SRC (handler);

  /* FIXME: make thread-safe */
  return g_strdup (src->uri);
}
static gboolean
gst_rtmp_src_is_seekable (GstBaseSrc * basesrc)
{
  GstRTMPSrc *src;

  src = GST_RTMP_SRC (basesrc);

  return src->seekable;
}
Beispiel #3
0
static void
gst_rtmp_src_finalize (GObject * object)
{
  GstRTMPSrc *rtmpsrc = GST_RTMP_SRC (object);

  g_free (rtmpsrc->uri);
  rtmpsrc->uri = NULL;

  G_OBJECT_CLASS (parent_class)->finalize (object);
}
Beispiel #4
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;
}
static void
gst_rtmp_src_finalize (GObject * object)
{
  GstRTMPSrc *rtmpsrc = GST_RTMP_SRC (object);

  g_free (rtmpsrc->uri);
  rtmpsrc->uri = NULL;

#ifdef G_OS_WIN32
  WSACleanup ();
#endif

  G_OBJECT_CLASS (parent_class)->finalize (object);
}
Beispiel #6
0
/* open the file, do stuff necessary to go to PAUSED state */
static gboolean
gst_rtmp_src_start (GstBaseSrc * basesrc)
{
  GstRTMPSrc *src;

  src = GST_RTMP_SRC (basesrc);

  if (!src->uri) {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), ("No filename given"));
    return FALSE;
  }

  src->cur_offset = 0;
  src->last_timestamp = 0;
  src->discont = TRUE;

  src->rtmp = RTMP_Alloc ();

  if (!src->rtmp) {
    GST_ERROR_OBJECT (src, "Could not allocate librtmp's RTMP context");
    goto error;
  }

  RTMP_Init (src->rtmp);
  if (!RTMP_SetupURL (src->rtmp, src->uri)) {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
        ("Failed to setup URL '%s'", src->uri));
    goto error;
  }
  src->seekable = !(src->rtmp->Link.lFlags & RTMP_LF_LIVE);
  GST_INFO_OBJECT (src, "seekable %d", src->seekable);

  /* open if required */
  if (!RTMP_IsConnected (src->rtmp)) {
    if (!RTMP_Connect (src->rtmp, NULL)) {
      GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
          ("Could not connect to RTMP stream \"%s\" for reading", src->uri));
      goto error;
    }
  }

  return TRUE;

error:
  if (src->rtmp) {
    RTMP_Free (src->rtmp);
    src->rtmp = NULL;
  }
  return FALSE;
}
Beispiel #7
0
static gboolean
gst_rtmp_src_unlock (GstBaseSrc * basesrc)
{
  GstRTMPSrc *rtmpsrc = GST_RTMP_SRC (basesrc);

  GST_DEBUG_OBJECT (rtmpsrc, "unlock");

  /* This closes the socket, which means that any pending socket calls
   * error out. */
  if (rtmpsrc->rtmp) {
    RTMP_Close (rtmpsrc->rtmp);
  }

  return TRUE;
}
static void
gst_rtmp_src_get_property (GObject * object, guint prop_id, GValue * value,
    GParamSpec * pspec)
{
  GstRTMPSrc *src;

  src = GST_RTMP_SRC (object);

  switch (prop_id) {
    case PROP_LOCATION:
      g_value_set_string (value, src->uri);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}
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_duration (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;
    }
    default:
      ret = FALSE;
      break;
  }

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

  return ret;
}
Beispiel #10
0
static gboolean
gst_rtmp_src_stop (GstBaseSrc * basesrc)
{
  GstRTMPSrc *src;

  src = GST_RTMP_SRC (basesrc);

  if (src->rtmp) {
    RTMP_Free (src->rtmp);
    src->rtmp = NULL;
  }

  src->cur_offset = 0;
  src->last_timestamp = 0;
  src->discont = TRUE;

  return TRUE;
}
static void
gst_rtmp_src_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstRTMPSrc *src;

  src = GST_RTMP_SRC (object);

  switch (prop_id) {
    case PROP_LOCATION:{
      gst_rtmp_src_uri_set_uri (GST_URI_HANDLER (src),
          g_value_get_string (value), NULL);
      break;
    }
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}
Beispiel #12
0
/* open the file, do stuff necessary to go to PAUSED state */
static gboolean
gst_rtmp_src_start (GstBaseSrc * basesrc)
{
  GstRTMPSrc *src;
  gchar *uri_copy;

  src = GST_RTMP_SRC (basesrc);

  if (!src->uri) {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), ("No filename given"));
    return FALSE;
  }

  src->cur_offset = 0;
  src->last_timestamp = 0;
  src->seekable = TRUE;
  src->discont = TRUE;

  uri_copy = g_strdup (src->uri);
  src->rtmp = RTMP_Alloc ();
  RTMP_Init (src->rtmp);
  if (!RTMP_SetupURL (src->rtmp, uri_copy)) {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
        ("Failed to setup URL '%s'", src->uri));
    g_free (uri_copy);
    RTMP_Free (src->rtmp);
    src->rtmp = NULL;
    return FALSE;
  }

  /* open if required */
  if (!RTMP_IsConnected (src->rtmp)) {
    if (!RTMP_Connect (src->rtmp, NULL)) {
      GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
          ("Could not connect to RTMP stream \"%s\" for reading", src->uri));
      RTMP_Free (src->rtmp);
      src->rtmp = NULL;
      return FALSE;
    }
  }

  return TRUE;
}
static gboolean
gst_rtmp_src_prepare_seek_segment (GstBaseSrc * basesrc, GstEvent * event,
    GstSegment * segment)
{
  GstRTMPSrc *src;
  GstSeekType cur_type, stop_type;
  gint64 cur, stop;
  GstSeekFlags flags;
  GstFormat format;
  gdouble rate;

  src = GST_RTMP_SRC (basesrc);

  gst_event_parse_seek (event, &rate, &format, &flags,
      &cur_type, &cur, &stop_type, &stop);

  if (!src->seekable) {
    GST_LOG_OBJECT (src, "Not a seekable stream");
    return FALSE;
  }

  if (!src->rtmp) {
    GST_LOG_OBJECT (src, "Not connected yet");
    return FALSE;
  }

  if (format != GST_FORMAT_TIME) {
    GST_LOG_OBJECT (src, "Seeking only supported in TIME format");
    return FALSE;
  }

  if (stop_type != GST_SEEK_TYPE_NONE) {
    GST_LOG_OBJECT (src, "Setting a stop position is not supported");
    return FALSE;
  }

  gst_segment_init (segment, GST_FORMAT_TIME);
  gst_segment_do_seek (segment, rate, format, flags, cur_type, cur, stop_type,
      stop, NULL);

  return TRUE;
}
static gboolean
gst_rtmp_src_do_seek (GstBaseSrc * basesrc, GstSegment * segment)
{
  GstRTMPSrc *src;

  src = GST_RTMP_SRC (basesrc);

  if (segment->format != GST_FORMAT_TIME) {
    GST_LOG_OBJECT (src, "Only time based seeks are supported");
    return FALSE;
  }

  if (!src->rtmp) {
    GST_LOG_OBJECT (src, "Not connected yet");
    return FALSE;
  }

  src->discont = TRUE;

  /* Initial seek */
  if (src->cur_offset == 0 && segment->start == 0)
    return TRUE;

  if (!src->seekable) {
    GST_LOG_OBJECT (src, "Not a seekable stream");
    return FALSE;
  }

  src->last_timestamp = GST_CLOCK_TIME_NONE;
  if (!RTMP_SendSeek (src->rtmp, segment->start / GST_MSECOND)) {
    GST_ERROR_OBJECT (src, "Seeking failed");
    src->seekable = FALSE;
    return FALSE;
  }

  GST_DEBUG_OBJECT (src, "Seek to %" GST_TIME_FORMAT " successfull",
      GST_TIME_ARGS (segment->start));

  return TRUE;
}
Beispiel #15
0
static gboolean
gst_rtmp_src_uri_set_uri (GstURIHandler * handler, const gchar * uri,
    GError ** error)
{
  GstRTMPSrc *src = GST_RTMP_SRC (handler);

  if (GST_STATE (src) >= GST_STATE_PAUSED) {
    g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_STATE,
        "Changing the URI on rtmpsrc when it is running is not supported");
    return FALSE;
  }

  g_free (src->uri);
  src->uri = NULL;

  if (uri != NULL) {
    int protocol;
    AVal host;
    unsigned int port;
    AVal playpath, app;

    if (!RTMP_ParseURL (uri, &protocol, &host, &port, &playpath, &app) ||
        !host.av_len || !playpath.av_len) {
      GST_ERROR_OBJECT (src, "Failed to parse URI %s", uri);
      g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
          "Could not parse RTMP URI");
      /* FIXME: we should not be freeing RTMP internals to avoid leaking */
      free (playpath.av_val);
      return FALSE;
    }
    free (playpath.av_val);
    src->uri = g_strdup (uri);
  }

  GST_DEBUG_OBJECT (src, "Changed URI to %s", GST_STR_NULL (uri));

  return TRUE;
}
/*
 * Read a new buffer from src->reqoffset, takes care of events
 * and seeking and such.
 */
static GstFlowReturn
gst_rtmp_src_create (GstPushSrc * pushsrc, GstBuffer ** buffer)
{
  GstRTMPSrc *src;
  GstBuffer *buf;
  GstMapInfo map;
  guint8 *data;
  guint todo;
  gsize bsize;
  int read;
  int size;

  src = GST_RTMP_SRC (pushsrc);

  g_return_val_if_fail (src->rtmp != NULL, GST_FLOW_ERROR);

  size = GST_BASE_SRC_CAST (pushsrc)->blocksize;

  GST_DEBUG ("reading from %" G_GUINT64_FORMAT
      ", size %u", src->cur_offset, size);

  buf = gst_buffer_new_allocate (NULL, size, NULL);
  if (G_UNLIKELY (buf == NULL)) {
    GST_ERROR_OBJECT (src, "Failed to allocate %u bytes", size);
    return GST_FLOW_ERROR;
  }

  bsize = todo = size;
  gst_buffer_map (buf, &map, GST_MAP_WRITE);
  data = map.data;
  read = bsize = 0;

  while (todo > 0) {
    read = RTMP_Read (src->rtmp, (char *) data, todo);

    if (G_UNLIKELY (read == 0 && todo == size)) {
      goto eos;
    } else if (G_UNLIKELY (read == 0)) {
      todo = 0;
      break;
    }

    if (G_UNLIKELY (read < 0))
      goto read_failed;

    if (read < todo) {
      data += read;
      todo -= read;
      bsize += read;
    } else {
      bsize += todo;
      todo = 0;
    }
    GST_LOG ("  got size %d", read);
  }
  gst_buffer_unmap (buf, &map);
  gst_buffer_resize (buf, 0, bsize);

  if (src->discont) {
    GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
    src->discont = FALSE;
  }

  GST_BUFFER_TIMESTAMP (buf) = src->last_timestamp;
  GST_BUFFER_OFFSET (buf) = src->cur_offset;

  src->cur_offset += size;
  if (src->last_timestamp == GST_CLOCK_TIME_NONE)
    src->last_timestamp = src->rtmp->m_mediaStamp * GST_MSECOND;
  else
    src->last_timestamp =
        MAX (src->last_timestamp, src->rtmp->m_mediaStamp * GST_MSECOND);

  GST_LOG_OBJECT (src, "Created buffer of size %u at %" G_GINT64_FORMAT
      " with timestamp %" GST_TIME_FORMAT, size, GST_BUFFER_OFFSET (buf),
      GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));


  /* we're done, return the buffer */
  *buffer = buf;

  return GST_FLOW_OK;

read_failed:
  {
    gst_buffer_unref (buf);
    GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), ("Failed to read data"));
    return GST_FLOW_ERROR;
  }
eos:
  {
    gst_buffer_unref (buf);
    GST_DEBUG_OBJECT (src, "Reading data gave EOS");
    return GST_FLOW_EOS;
  }
}