void
gst_vaapi_decoder_set_multiview_mode (GstVaapiDecoder * decoder,
    gint views, GstVideoMultiviewMode mv_mode, GstVideoMultiviewFlags mv_flags)
{
  GstVideoCodecState *const codec_state = decoder->codec_state;
  GstVideoInfo *info = &codec_state->info;

  if (GST_VIDEO_INFO_VIEWS (info) != views ||
      GST_VIDEO_INFO_MULTIVIEW_MODE (info) != mv_mode ||
      GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) != mv_flags) {
    const gchar *mv_mode_str =
        gst_video_multiview_mode_to_caps_string (mv_mode);

    GST_DEBUG ("Multiview mode changed to %s flags 0x%x views %d",
        mv_mode_str, mv_flags, views);
    GST_VIDEO_INFO_MULTIVIEW_MODE (info) = mv_mode;
    GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) = mv_flags;
    GST_VIDEO_INFO_VIEWS (info) = views;

    gst_caps_set_simple (codec_state->caps, "multiview-mode",
        G_TYPE_STRING, mv_mode_str,
        "multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET, mv_flags,
        GST_FLAG_SET_MASK_EXACT, "views", G_TYPE_INT, views, NULL);

    notify_codec_state_changed (decoder);
  }
}
示例#2
0
/**
 * gst_video_info_is_equal:
 * @info: a #GstVideoInfo
 * @other: a #GstVideoInfo
 *
 * Compares two #GstVideoInfo and returns whether they are equal or not
 *
 * Returns: %TRUE if @info and @other are equal, else %FALSE.
 */
gboolean
gst_video_info_is_equal (const GstVideoInfo * info, const GstVideoInfo * other)
{
  gint i;

  if (GST_VIDEO_INFO_FORMAT (info) != GST_VIDEO_INFO_FORMAT (other))
    return FALSE;
  if (GST_VIDEO_INFO_INTERLACE_MODE (info) !=
      GST_VIDEO_INFO_INTERLACE_MODE (other))
    return FALSE;
  if (GST_VIDEO_INFO_FLAGS (info) != GST_VIDEO_INFO_FLAGS (other))
    return FALSE;
  if (GST_VIDEO_INFO_WIDTH (info) != GST_VIDEO_INFO_WIDTH (other))
    return FALSE;
  if (GST_VIDEO_INFO_HEIGHT (info) != GST_VIDEO_INFO_HEIGHT (other))
    return FALSE;
  if (GST_VIDEO_INFO_SIZE (info) != GST_VIDEO_INFO_SIZE (other))
    return FALSE;
  if (GST_VIDEO_INFO_PAR_N (info) != GST_VIDEO_INFO_PAR_N (other))
    return FALSE;
  if (GST_VIDEO_INFO_PAR_D (info) != GST_VIDEO_INFO_PAR_D (other))
    return FALSE;
  if (GST_VIDEO_INFO_FPS_N (info) != GST_VIDEO_INFO_FPS_N (other))
    return FALSE;
  if (GST_VIDEO_INFO_FPS_D (info) != GST_VIDEO_INFO_FPS_D (other))
    return FALSE;
  if (!gst_video_colorimetry_is_equal (&GST_VIDEO_INFO_COLORIMETRY (info),
          &GST_VIDEO_INFO_COLORIMETRY (other)))
    return FALSE;
  if (GST_VIDEO_INFO_CHROMA_SITE (info) != GST_VIDEO_INFO_CHROMA_SITE (other))
    return FALSE;
  if (GST_VIDEO_INFO_MULTIVIEW_MODE (info) !=
      GST_VIDEO_INFO_MULTIVIEW_MODE (other))
    return FALSE;
  if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) !=
      GST_VIDEO_INFO_MULTIVIEW_FLAGS (other))
    return FALSE;
  if (GST_VIDEO_INFO_VIEWS (info) != GST_VIDEO_INFO_VIEWS (other))
    return FALSE;

  for (i = 0; i < info->finfo->n_planes; i++) {
    if (info->stride[i] != other->stride[i])
      return FALSE;
    if (info->offset[i] != other->offset[i])
      return FALSE;
  }

  return TRUE;
}
static void
gst_video_multiview_separated_video_info_to_packed (GstVideoInfo * info,
    GstVideoMultiviewMode packed_mview_mode,
    GstVideoMultiviewFlags packed_mview_flags)
{
  /* Convert single-frame info to a packed mode */
  GST_VIDEO_INFO_MULTIVIEW_MODE (info) = packed_mview_mode;
  GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) = packed_mview_flags;

  switch (packed_mview_mode) {
    case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE:
    case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX:
    case GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED:
    case GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD:
      info->width *= 2;
      info->views /= 2;
      if (packed_mview_flags & GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT)
        info->par_d *= 2;
      break;
    case GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED:
    case GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM:
      info->height *= 2;
      info->views /= 2;
      if (packed_mview_flags & GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT)
        info->par_n *= 2;
      break;
    default:
      break;
  }
}
void
gst_video_info_change_format (GstVideoInfo * vip, GstVideoFormat format,
    guint width, guint height)
{
  GstVideoInfo vi = *vip;

  gst_video_info_set_format (vip, format, width, height);

  GST_VIDEO_INFO_INTERLACE_MODE (vip) = GST_VIDEO_INFO_INTERLACE_MODE (&vi);
  GST_VIDEO_FORMAT_INFO_FLAGS (vip) = GST_VIDEO_FORMAT_INFO_FLAGS (&vi);
  GST_VIDEO_INFO_VIEWS (vip) = GST_VIDEO_INFO_VIEWS (&vi);
  GST_VIDEO_INFO_PAR_N (vip) = GST_VIDEO_INFO_PAR_N (&vi);
  GST_VIDEO_INFO_PAR_D (vip) = GST_VIDEO_INFO_PAR_D (&vi);
  GST_VIDEO_INFO_FPS_N (vip) = GST_VIDEO_INFO_FPS_N (&vi);
  GST_VIDEO_INFO_FPS_D (vip) = GST_VIDEO_INFO_FPS_D (&vi);
  GST_VIDEO_INFO_MULTIVIEW_MODE (vip) = GST_VIDEO_INFO_MULTIVIEW_MODE (&vi);
  GST_VIDEO_INFO_MULTIVIEW_FLAGS (vip) = GST_VIDEO_INFO_MULTIVIEW_FLAGS (&vi);
}
void
gst_video_info_change_format (GstVideoInfo * vip, GstVideoFormat format,
    guint width, guint height)
{
  GstVideoInfo vi = *vip;

  gst_video_info_set_format (vip, format, width, height);

  vip->interlace_mode = vi.interlace_mode;
  vip->flags = vi.flags;
  vip->views = vi.views;
  vip->par_n = vi.par_n;
  vip->par_d = vi.par_d;
  vip->fps_n = vi.fps_n;
  vip->fps_d = vi.fps_d;

  GST_VIDEO_INFO_MULTIVIEW_MODE (vip) = GST_VIDEO_INFO_MULTIVIEW_MODE (&vi);
  GST_VIDEO_INFO_MULTIVIEW_FLAGS (vip) = GST_VIDEO_INFO_MULTIVIEW_FLAGS (&vi);
}
static void
gst_video_multiview_separated_video_info_from_packed (GstVideoInfo * info)
{
  GstVideoMultiviewMode mview_mode;

  mview_mode = GST_VIDEO_INFO_MULTIVIEW_MODE (info);

  /* Normalise the half-aspect flag by adjusting PAR */
  switch (mview_mode) {
    case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE:
    case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX:
    case GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED:
    case GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD:
      info->width /= 2;
      info->views *= 2;
      GST_VIDEO_INFO_MULTIVIEW_MODE (info) = GST_VIDEO_MULTIVIEW_MODE_SEPARATED;
      if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &
          GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT)
        info->par_n *= 2;
      break;
    case GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED:
    case GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM:
      info->height /= 2;
      info->views *= 2;
      GST_VIDEO_INFO_MULTIVIEW_MODE (info) = GST_VIDEO_MULTIVIEW_MODE_SEPARATED;
      if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &
          GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT)
        info->par_d *= 2;
      break;
    default:
      /* Mono/left/right/frame-by-frame/already separated */
      break;
  }
  GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &=
      ~GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
}
示例#7
0
/**
 * gst_video_info_to_caps:
 * @info: a #GstVideoInfo
 *
 * Convert the values of @info into a #GstCaps.
 *
 * Returns: a new #GstCaps containing the info of @info.
 */
GstCaps *
gst_video_info_to_caps (GstVideoInfo * info)
{
  GstCaps *caps;
  const gchar *format;
  gchar *color;
  gint par_n, par_d;
  GstVideoColorimetry colorimetry;

  g_return_val_if_fail (info != NULL, NULL);
  g_return_val_if_fail (info->finfo != NULL, NULL);
  g_return_val_if_fail (info->finfo->format != GST_VIDEO_FORMAT_UNKNOWN, NULL);

  format = gst_video_format_to_string (info->finfo->format);
  g_return_val_if_fail (format != NULL, NULL);

  caps = gst_caps_new_simple ("video/x-raw",
      "format", G_TYPE_STRING, format,
      "width", G_TYPE_INT, info->width,
      "height", G_TYPE_INT, info->height, NULL);

  par_n = info->par_n;
  par_d = info->par_d;

  gst_caps_set_simple (caps, "interlace-mode", G_TYPE_STRING,
      gst_video_interlace_mode_to_string (info->interlace_mode), NULL);

  if (GST_VIDEO_INFO_MULTIVIEW_MODE (info) != GST_VIDEO_MULTIVIEW_MODE_NONE) {
    const gchar *caps_str = NULL;

    /* If the half-aspect flag is set, applying it into the PAR of the
     * resulting caps now seems safe, and helps with automatic behaviour
     * in elements that aren't explicitly multiview aware */
    if (GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &
        GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT) {
      GST_VIDEO_INFO_MULTIVIEW_FLAGS (info) &=
          ~GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
      switch (GST_VIDEO_INFO_MULTIVIEW_MODE (info)) {
        case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE:
        case GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX:
        case GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED:
        case GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD:
          par_n *= 2;           /* double the width / half the height */
          break;
        case GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED:
        case GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM:
          par_d *= 2;           /* half the width / double the height */
          break;
        default:
          break;
      }
    }

    caps_str =
        gst_video_multiview_mode_to_caps_string (GST_VIDEO_INFO_MULTIVIEW_MODE
        (info));
    if (caps_str != NULL) {
      gst_caps_set_simple (caps, "multiview-mode", G_TYPE_STRING,
          caps_str, "multiview-flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGSET,
          GST_VIDEO_INFO_MULTIVIEW_FLAGS (info), GST_FLAG_SET_MASK_EXACT, NULL);
    }
  }

  gst_caps_set_simple (caps, "pixel-aspect-ratio",
      GST_TYPE_FRACTION, par_n, par_d, NULL);

  if (info->chroma_site != GST_VIDEO_CHROMA_SITE_UNKNOWN)
    gst_caps_set_simple (caps, "chroma-site", G_TYPE_STRING,
        gst_video_chroma_to_string (info->chroma_site), NULL);

  /* make sure we set the RGB matrix for RGB formats */
  colorimetry = info->colorimetry;
  if (GST_VIDEO_FORMAT_INFO_IS_RGB (info->finfo) &&
      colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_RGB) {
    GST_WARNING ("invalid matrix %d for RGB format, using RGB",
        colorimetry.matrix);
    colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
  }
  if ((color = gst_video_colorimetry_to_string (&colorimetry))) {
    gst_caps_set_simple (caps, "colorimetry", G_TYPE_STRING, color, NULL);
    g_free (color);
  }

  if (info->views > 1)
    gst_caps_set_simple (caps, "views", G_TYPE_INT, info->views, NULL);

  if (info->flags & GST_VIDEO_FLAG_VARIABLE_FPS && info->fps_n != 0) {
    /* variable fps with a max-framerate */
    gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, 0, 1,
        "max-framerate", GST_TYPE_FRACTION, info->fps_n, info->fps_d, NULL);
  } else {
    /* no variable fps or no max-framerate */
    gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION,
        info->fps_n, info->fps_d, NULL);
  }

  return caps;
}
示例#8
0
/**
 * gst_video_info_from_caps:
 * @info: a #GstVideoInfo
 * @caps: a #GstCaps
 *
 * Parse @caps and update @info.
 *
 * Returns: TRUE if @caps could be parsed
 */
gboolean
gst_video_info_from_caps (GstVideoInfo * info, const GstCaps * caps)
{
  GstStructure *structure;
  const gchar *s;
  GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
  gint width = 0, height = 0;
  gint fps_n, fps_d;
  gint par_n, par_d;

  g_return_val_if_fail (info != NULL, FALSE);
  g_return_val_if_fail (caps != NULL, FALSE);
  g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);

  GST_DEBUG ("parsing caps %" GST_PTR_FORMAT, caps);

  structure = gst_caps_get_structure (caps, 0);

  if (gst_structure_has_name (structure, "video/x-raw")) {
    if (!(s = gst_structure_get_string (structure, "format")))
      goto no_format;

    format = gst_video_format_from_string (s);
    if (format == GST_VIDEO_FORMAT_UNKNOWN)
      goto unknown_format;

  } else if (g_str_has_prefix (gst_structure_get_name (structure), "video/") ||
      g_str_has_prefix (gst_structure_get_name (structure), "image/")) {
    format = GST_VIDEO_FORMAT_ENCODED;
  } else {
    goto wrong_name;
  }

  /* width and height are mandatory, except for non-raw-formats */
  if (!gst_structure_get_int (structure, "width", &width) &&
      format != GST_VIDEO_FORMAT_ENCODED)
    goto no_width;
  if (!gst_structure_get_int (structure, "height", &height) &&
      format != GST_VIDEO_FORMAT_ENCODED)
    goto no_height;

  gst_video_info_init (info);

  info->finfo = gst_video_format_get_info (format);
  info->width = width;
  info->height = height;

  if (gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
    if (fps_n == 0) {
      /* variable framerate */
      info->flags |= GST_VIDEO_FLAG_VARIABLE_FPS;
      /* see if we have a max-framerate */
      gst_structure_get_fraction (structure, "max-framerate", &fps_n, &fps_d);
    }
    info->fps_n = fps_n;
    info->fps_d = fps_d;
  } else {
    /* unspecified is variable framerate */
    info->fps_n = 0;
    info->fps_d = 1;
  }

  if (gst_structure_get_fraction (structure, "pixel-aspect-ratio",
          &par_n, &par_d)) {
    info->par_n = par_n;
    info->par_d = par_d;
  } else {
    info->par_n = 1;
    info->par_d = 1;
  }

  if ((s = gst_structure_get_string (structure, "interlace-mode")))
    info->interlace_mode = gst_video_interlace_mode_from_string (s);
  else
    info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;

  {
    if ((s = gst_structure_get_string (structure, "multiview-mode")))
      GST_VIDEO_INFO_MULTIVIEW_MODE (info) =
          gst_video_multiview_mode_from_caps_string (s);
    else
      GST_VIDEO_INFO_MULTIVIEW_MODE (info) = GST_VIDEO_MULTIVIEW_MODE_NONE;

    gst_structure_get_flagset (structure, "multiview-flags",
        &GST_VIDEO_INFO_MULTIVIEW_FLAGS (info), NULL);

    if (!gst_structure_get_int (structure, "views", &info->views))
      info->views = 1;

    /* At one point, I tried normalising the half-aspect flag here,
     * but it behaves weird for GstVideoInfo operations other than
     * directly converting to/from caps - sometimes causing the
     * PAR to be doubled/halved too many times */
  }

  if ((s = gst_structure_get_string (structure, "chroma-site")))
    info->chroma_site = gst_video_chroma_from_string (s);
  else
    info->chroma_site = GST_VIDEO_CHROMA_SITE_UNKNOWN;

  if ((s = gst_structure_get_string (structure, "colorimetry"))) {
    if (!gst_video_colorimetry_from_string (&info->colorimetry, s)) {
      GST_WARNING ("unparsable colorimetry, using default");
      set_default_colorimetry (info);
    } else if (!validate_colorimetry (info)) {
      GST_WARNING ("invalid colorimetry, using default");
      set_default_colorimetry (info);
    } else {
      /* force RGB matrix for RGB formats */
      if (GST_VIDEO_FORMAT_INFO_IS_RGB (info->finfo) &&
          info->colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_RGB) {
        GST_WARNING ("invalid matrix %d for RGB format, using RGB",
            info->colorimetry.matrix);
        info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
      }
    }
  } else {
    GST_DEBUG ("no colorimetry, using default");
    set_default_colorimetry (info);
  }

  fill_planes (info);

  return TRUE;

  /* ERROR */
wrong_name:
  {
    GST_ERROR ("wrong name '%s', expected video/ or image/",
        gst_structure_get_name (structure));
    return FALSE;
  }
no_format:
  {
    GST_ERROR ("no format given");
    return FALSE;
  }
unknown_format:
  {
    GST_ERROR ("unknown format '%s' given", s);
    return FALSE;
  }
no_width:
  {
    GST_ERROR ("no width property given");
    return FALSE;
  }
no_height:
  {
    GST_ERROR ("no height property given");
    return FALSE;
  }
}
/* Return the possible output caps based on inputs and downstream prefs */
static GstCaps *
_update_caps (GstVideoAggregator * vagg, GstCaps * caps)
{
  GstGLStereoMix *mix = GST_GL_STEREO_MIX (vagg);
  GList *l;
  gint best_width = -1, best_height = -1;
  gdouble best_fps = -1, cur_fps;
  gint best_fps_n = 0, best_fps_d = 1;
  GstVideoInfo *mix_info;
  GstCaps *blend_caps, *tmp_caps;
  GstCaps *out_caps;

  GST_OBJECT_LOCK (vagg);

  for (l = GST_ELEMENT (vagg)->sinkpads; l; l = l->next) {
    GstVideoAggregatorPad *pad = l->data;
    GstVideoInfo tmp = pad->info;
    gint this_width, this_height;
    gint fps_n, fps_d;

    if (!pad->info.finfo)
      continue;

    /* This can happen if we release a pad and another pad hasn't been negotiated_caps yet */
    if (GST_VIDEO_INFO_FORMAT (&pad->info) == GST_VIDEO_FORMAT_UNKNOWN)
      continue;

    /* Convert to per-view width/height for unpacked forms */
    gst_video_multiview_video_info_change_mode (&tmp,
        GST_VIDEO_MULTIVIEW_MODE_SEPARATED, GST_VIDEO_MULTIVIEW_FLAGS_NONE);

    this_width = GST_VIDEO_INFO_WIDTH (&tmp);
    this_height = GST_VIDEO_INFO_HEIGHT (&tmp);
    fps_n = GST_VIDEO_INFO_FPS_N (&tmp);
    fps_d = GST_VIDEO_INFO_FPS_D (&tmp);

    GST_INFO_OBJECT (vagg, "Input pad %" GST_PTR_FORMAT
        " w %u h %u", pad, this_width, this_height);

    if (this_width == 0 || this_height == 0)
      continue;

    if (best_width < this_width)
      best_width = this_width;
    if (best_height < this_height)
      best_height = this_height;

    if (fps_d == 0)
      cur_fps = 0.0;
    else
      gst_util_fraction_to_double (fps_n, fps_d, &cur_fps);

    if (best_fps < cur_fps) {
      best_fps = cur_fps;
      best_fps_n = fps_n;
      best_fps_d = fps_d;
    }

    /* FIXME: Preserve PAR for at least one input when different sized inputs */
  }
  GST_OBJECT_UNLOCK (vagg);

  mix_info = &mix->mix_info;
  gst_video_info_set_format (mix_info, GST_VIDEO_FORMAT_RGBA, best_width,
      best_height);

  GST_VIDEO_INFO_FPS_N (mix_info) = best_fps_n;
  GST_VIDEO_INFO_FPS_D (mix_info) = best_fps_d;

  GST_VIDEO_INFO_MULTIVIEW_MODE (mix_info) = GST_VIDEO_MULTIVIEW_MODE_SEPARATED;
  GST_VIDEO_INFO_VIEWS (mix_info) = 2;

  /* FIXME: If input is marked as flipped or flopped, preserve those flags */
  GST_VIDEO_INFO_MULTIVIEW_FLAGS (mix_info) = GST_VIDEO_MULTIVIEW_FLAGS_NONE;

  /* Choose our output format based on downstream preferences */
  blend_caps = gst_video_info_to_caps (mix_info);

  gst_caps_set_features (blend_caps, 0,
      gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY));

  tmp_caps = get_converted_caps (GST_GL_STEREO_MIX (vagg), blend_caps);
  gst_caps_unref (blend_caps);

  out_caps = gst_caps_intersect (caps, tmp_caps);
  gst_caps_unref (tmp_caps);

  GST_DEBUG_OBJECT (vagg, "Possible output caps %" GST_PTR_FORMAT, out_caps);

  return out_caps;
}