/**
* 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;
}
gboolean
gst_caps_set_interlaced (GstCaps * caps, GstVideoInfo * vip)
{
GstVideoInterlaceMode mode;
const gchar *mode_str;
mode = vip ? GST_VIDEO_INFO_INTERLACE_MODE (vip) :
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
switch (mode) {
case GST_VIDEO_INTERLACE_MODE_PROGRESSIVE:
mode_str = "progressive";
break;
case GST_VIDEO_INTERLACE_MODE_INTERLEAVED:
mode_str = "interleaved";
break;
case GST_VIDEO_INTERLACE_MODE_MIXED:
mode_str = "mixed";
break;
default:
GST_ERROR ("unsupported `interlace-mode' %d", mode);
return FALSE;
}
gst_caps_set_simple (caps, "interlace-mode", G_TYPE_STRING, mode_str, NULL);
return TRUE;
}
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);
}
static void
gst_raw_video_parse_set_property (GObject * object, guint prop_id,
GValue const *value, GParamSpec * pspec)
{
GstBaseParse *base_parse = GST_BASE_PARSE (object);
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (object);
GstRawVideoParse *raw_video_parse = GST_RAW_VIDEO_PARSE (object);
GstRawVideoParseConfig *props_cfg = &(raw_video_parse->properties_config);
/* All properties are handled similarly:
* - if the new value is the same as the current value, nothing is done
* - the parser lock is held while the new value is set
* - if the properties config is the current config, the source caps are
* invalidated to ensure that the code in handle_frame pushes a new CAPS
* event out
* - properties that affect the video frame size call the function to update
* the info and also call gst_base_parse_set_min_frame_size() to ensure
* that the minimum frame size can hold 1 frame (= one sample for each
* channel); to ensure that the min frame size includes any extra padding,
* it is set to the result of gst_raw_video_parse_get_config_frame_size()
* - property configuration values that require video info updates aren't
* written directory into the video info structure, but in the extra
* fields instead (gst_raw_video_parse_update_info() then copies the values
* from these fields into the video info); see the documentation inside
* gst_raw_video_parse_update_info() for the reason why
*/
switch (prop_id) {
case PROP_WIDTH:
{
gint new_width = g_value_get_int (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_width != props_cfg->width) {
props_cfg->width = new_width;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_HEIGHT:
{
gint new_height = g_value_get_int (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_height != props_cfg->height) {
props_cfg->height = new_height;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_FORMAT:
{
GstVideoFormat new_format = g_value_get_enum (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_format != props_cfg->format) {
props_cfg->format = new_format;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_PIXEL_ASPECT_RATIO:
{
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
/* The pixel aspect ratio does not affect the video frame size,
* so it is just set directly without any updates */
props_cfg->pixel_aspect_ratio_n =
GST_VIDEO_INFO_PAR_N (&(props_cfg->info)) =
gst_value_get_fraction_numerator (value);
props_cfg->pixel_aspect_ratio_d =
GST_VIDEO_INFO_PAR_D (&(props_cfg->info)) =
gst_value_get_fraction_denominator (value);
GST_DEBUG_OBJECT (raw_video_parse, "setting pixel aspect ratio to %u/%u",
props_cfg->pixel_aspect_ratio_n, props_cfg->pixel_aspect_ratio_d);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_FRAMERATE:
{
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
/* The framerate does not affect the video frame size,
* so it is just set directly without any updates */
props_cfg->framerate_n = GST_VIDEO_INFO_FPS_N (&(props_cfg->info)) =
gst_value_get_fraction_numerator (value);
props_cfg->framerate_d = GST_VIDEO_INFO_FPS_D (&(props_cfg->info)) =
gst_value_get_fraction_denominator (value);
GST_DEBUG_OBJECT (raw_video_parse, "setting framerate to %u/%u",
props_cfg->framerate_n, props_cfg->framerate_d);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_INTERLACED:
{
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
/* Interlacing does not affect the video frame size,
* so it is just set directly without any updates */
props_cfg->interlaced = g_value_get_boolean (value);
GST_VIDEO_INFO_INTERLACE_MODE (&(props_cfg->info)) =
props_cfg->interlaced ? GST_VIDEO_INTERLACE_MODE_INTERLEAVED :
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_TOP_FIELD_FIRST:
{
/* The top-field-first flag is a detail related to
* interlacing, so no video info update is needed */
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
props_cfg->top_field_first = g_value_get_boolean (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_PLANE_STRIDES:
{
GValueArray *valarray = g_value_get_boxed (value);
guint n_planes;
guint i;
/* If no valarray is given, then disable custom
* plane strides & offsets and stick to the
* standard computed ones */
if (valarray == NULL) {
GST_DEBUG_OBJECT (raw_video_parse,
"custom plane strides & offsets disabled");
props_cfg->custom_plane_strides = FALSE;
gst_raw_video_parse_update_info (props_cfg);
break;
}
/* Sanity check - reject empty arrays */
if ((valarray != NULL) && (valarray->n_values == 0)) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("plane strides property holds an empty array"), (NULL));
break;
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
n_planes = GST_VIDEO_INFO_N_PLANES (&(props_cfg->info));
/* Check that the valarray holds the right number of values */
if (valarray->n_values != n_planes) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("incorrect number of elements in plane strides property"),
("expected: %u, got: %u", n_planes, valarray->n_values));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
/* Copy the values to the stride array */
for (i = 0; i < n_planes; ++i) {
GValue *val = g_value_array_get_nth (valarray, i);
props_cfg->plane_strides[i] = g_value_get_uint (val);
GST_DEBUG_OBJECT (raw_video_parse, "plane #%u stride: %d", i,
props_cfg->plane_strides[i]);
}
props_cfg->custom_plane_strides = TRUE;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse))
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_PLANE_OFFSETS:
{
GValueArray *valarray = g_value_get_boxed (value);
guint n_planes;
guint i;
/* If no valarray is given, then disable custom
* plane strides & offsets and stick to the
* standard computed ones */
if (valarray == NULL) {
GST_DEBUG_OBJECT (raw_video_parse,
"custom plane strides & offsets disabled");
props_cfg->custom_plane_strides = FALSE;
gst_raw_video_parse_update_info (props_cfg);
break;
}
/* Sanity check - reject empty arrays */
if ((valarray != NULL) && (valarray->n_values == 0)) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("plane offsets property holds an empty array"), (NULL));
break;
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
n_planes = GST_VIDEO_INFO_N_PLANES (&(props_cfg->info));
/* Check that the valarray holds the right number of values */
if (valarray->n_values != n_planes) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("incorrect number of elements in plane offsets property"),
("expected: %u, got: %u", n_planes, valarray->n_values));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
/* Copy the values to the offset array */
for (i = 0; i < n_planes; ++i) {
GValue *val = g_value_array_get_nth (valarray, i);
props_cfg->plane_offsets[i] = g_value_get_uint (val);
GST_DEBUG_OBJECT (raw_video_parse, "plane #%u offset: %" G_GSIZE_FORMAT,
i, props_cfg->plane_offsets[i]);
}
props_cfg->custom_plane_strides = TRUE;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse))
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_FRAME_STRIDE:
{
/* The frame stride does not affect the video frame size,
* so it is just set directly without any updates */
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
props_cfg->frame_stride = g_value_get_uint (value);
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse))
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_raw_video_parse_update_info (GstRawVideoParseConfig * config)
{
guint i;
guint n_planes;
guint last_plane;
gsize last_plane_offset, last_plane_size;
GstVideoInfo *info = &(config->info);
GST_DEBUG ("updating info with width %u height %u format %s "
" custom plane strides&offsets %d", config->width, config->height,
gst_video_format_to_string (config->format),
config->custom_plane_strides);
gst_video_info_set_format (info, config->format, config->width,
config->height);
GST_VIDEO_INFO_PAR_N (info) = config->pixel_aspect_ratio_n;
GST_VIDEO_INFO_PAR_D (info) = config->pixel_aspect_ratio_d;
GST_VIDEO_INFO_FPS_N (info) = config->framerate_n;
GST_VIDEO_INFO_FPS_D (info) = config->framerate_d;
GST_VIDEO_INFO_INTERLACE_MODE (info) =
config->interlaced ? GST_VIDEO_INTERLACE_MODE_INTERLEAVED :
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
/* Check if there are custom plane strides & offsets that need to be preserved */
if (config->custom_plane_strides) {
/* In case there are, overwrite the offsets&strides computed by
* gst_video_info_set_format with the custom ones */
for (i = 0; i < GST_VIDEO_MAX_PLANES; ++i) {
GST_VIDEO_INFO_PLANE_OFFSET (info, i) = config->plane_offsets[i];
GST_VIDEO_INFO_PLANE_STRIDE (info, i) = config->plane_strides[i];
}
} else {
/* No custom planes&offsets; copy the computed ones into
* the plane_offsets & plane_strides arrays to ensure they
* are equal to the ones in the videoinfo */
for (i = 0; i < GST_VIDEO_MAX_PLANES; ++i) {
config->plane_offsets[i] = GST_VIDEO_INFO_PLANE_OFFSET (info, i);
config->plane_strides[i] = GST_VIDEO_INFO_PLANE_STRIDE (info, i);
}
}
n_planes = GST_VIDEO_INFO_N_PLANES (info);
if (n_planes < 1)
n_planes = 1;
/* Figure out what plane is the physically last one. Typically
* this is the last plane in the list (= at index n_planes-1).
* However, this is not guaranteed, so we have to scan the offsets
* to find the last plane. */
last_plane_offset = 0;
last_plane = 0;
for (i = 0; i < n_planes; ++i) {
gsize plane_offset = GST_VIDEO_INFO_PLANE_OFFSET (info, i);
if (plane_offset >= last_plane_offset) {
last_plane = i;
last_plane_offset = plane_offset;
}
}
last_plane_size =
GST_VIDEO_INFO_PLANE_STRIDE (info,
last_plane) * GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info->finfo,
last_plane, config->height);
GST_VIDEO_INFO_SIZE (info) = last_plane_offset + last_plane_size;
GST_DEBUG ("last plane #%u: offset: %" G_GSIZE_FORMAT " size: %"
G_GSIZE_FORMAT " => frame size minus extra padding: %" G_GSIZE_FORMAT,
last_plane, last_plane_offset, last_plane_size,
GST_VIDEO_INFO_SIZE (info));
}
static gboolean gst_imx_ipu_blitter_set_input_frame(GstImxBlitter *blitter, GstBuffer *input_frame)
{
GstImxIpuBlitter *ipu_blitter = GST_IMX_IPU_BLITTER(blitter);
gst_buffer_replace(&(ipu_blitter->input_frame), input_frame);
if (ipu_blitter->input_frame != NULL)
{
ipu_blitter->priv->main_task.input.deinterlace.enable = 0;
if (ipu_blitter->deinterlacing_enabled)
{
switch (GST_VIDEO_INFO_INTERLACE_MODE(&(ipu_blitter->input_video_info)))
{
case GST_VIDEO_INTERLACE_MODE_INTERLEAVED:
GST_LOG_OBJECT(ipu_blitter, "input stream uses interlacing -> deinterlacing enabled");
ipu_blitter->priv->main_task.input.deinterlace.enable = 1;
break;
case GST_VIDEO_INTERLACE_MODE_MIXED:
{
if (GST_BUFFER_FLAG_IS_SET(input_frame, GST_VIDEO_BUFFER_FLAG_INTERLACED))
{
GST_LOG_OBJECT(ipu_blitter, "frame has deinterlacing flag");
ipu_blitter->priv->main_task.input.deinterlace.enable = 1;
}
else
GST_LOG_OBJECT(ipu_blitter, "frame has no deinterlacing flag");
break;
}
case GST_VIDEO_INTERLACE_MODE_PROGRESSIVE:
GST_LOG_OBJECT(ipu_blitter, "input stream is progressive -> no deinterlacing necessary");
break;
case GST_VIDEO_INTERLACE_MODE_FIELDS:
GST_FIXME_OBJECT(ipu_blitter, "2-fields deinterlacing not supported (yet)");
break;
default:
GST_LOG_OBJECT(ipu_blitter, "input stream uses unknown interlacing mode -> no deinterlacing performed");
}
}
if (ipu_blitter->priv->main_task.input.deinterlace.enable)
{
if (GST_BUFFER_FLAG_IS_SET(input_frame, GST_VIDEO_BUFFER_FLAG_TFF))
{
GST_LOG_OBJECT(ipu_blitter, "interlaced with top field first");
ipu_blitter->priv->main_task.input.deinterlace.field_fmt = IPU_DEINTERLACE_FIELD_TOP;
}
else
{
GST_LOG_OBJECT(ipu_blitter, "interlaced with bottom field first");
ipu_blitter->priv->main_task.input.deinterlace.field_fmt = IPU_DEINTERLACE_FIELD_BOTTOM;
}
ipu_blitter->priv->main_task.input.deinterlace.motion = HIGH_MOTION;
}
else
ipu_blitter->priv->main_task.input.deinterlace.motion = MED_MOTION;
gst_imx_ipu_blitter_set_task_params(ipu_blitter, input_frame, &(ipu_blitter->priv->main_task), &(ipu_blitter->input_video_info), TRUE);
if (ipu_blitter->use_entire_input_frame)
{
ipu_blitter->priv->main_task.input.crop.pos.x = 0;
ipu_blitter->priv->main_task.input.crop.pos.y = 0;
ipu_blitter->priv->main_task.input.crop.w = GST_VIDEO_INFO_WIDTH(&(ipu_blitter->input_video_info));
ipu_blitter->priv->main_task.input.crop.h = GST_VIDEO_INFO_HEIGHT(&(ipu_blitter->input_video_info));
}
}
return TRUE;
}
static GstCaps *
gst_mfxpostproc_transform_caps_impl (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstMfxPostproc *const vpp = GST_MFXPOSTPROC (trans);
GstVideoInfo vi, peer_vi;
GstVideoFormat out_format;
GstCaps *out_caps, *peer_caps;
GstMfxCapsFeature feature;
const gchar *feature_str;
guint width, height;
/* Generate the sink pad caps, that could be fixated afterwards */
if (direction == GST_PAD_SRC) {
if (!ensure_allowed_sinkpad_caps (vpp))
return NULL;
return gst_caps_ref (vpp->allowed_sinkpad_caps);
}
/* Generate complete set of src pad caps if non-fixated sink pad
* caps are provided */
if (!gst_caps_is_fixed (caps)) {
if (!ensure_allowed_srcpad_caps (vpp))
return NULL;
return gst_caps_ref (vpp->allowed_srcpad_caps);
}
/* Generate the expected src pad caps, from the current fixated
* sink pad caps */
if (!gst_video_info_from_caps (&vi, caps))
return NULL;
if (vpp->deinterlace_mode)
GST_VIDEO_INFO_INTERLACE_MODE (&vi) = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
/* Update size from user-specified parameters */
find_best_size (vpp, &vi, &width, &height);
/* Update format from user-specified parameters */
peer_caps = gst_pad_peer_query_caps (GST_BASE_TRANSFORM_SRC_PAD (trans),
vpp->allowed_srcpad_caps);
if (gst_caps_is_any (peer_caps) || gst_caps_is_empty (peer_caps))
return peer_caps;
if (!gst_caps_is_fixed (peer_caps))
peer_caps = gst_caps_fixate (peer_caps);
gst_video_info_from_caps (&peer_vi, peer_caps);
out_format = GST_VIDEO_INFO_FPS_N (&peer_vi);
/* Update width and height from the caps */
if (GST_VIDEO_INFO_HEIGHT (&peer_vi) != 1 &&
GST_VIDEO_INFO_WIDTH (&peer_vi) != 1)
find_best_size(vpp, &peer_vi, &width, &height);
if (vpp->format != DEFAULT_FORMAT)
out_format = vpp->format;
if (vpp->fps_n) {
GST_VIDEO_INFO_FPS_N (&vi) = vpp->fps_n;
GST_VIDEO_INFO_FPS_D (&vi) = vpp->fps_d;
vpp->field_duration = gst_util_uint64_scale (GST_SECOND,
vpp->fps_d, vpp->fps_n);
if (DEFAULT_FRC_ALG == vpp->alg)
vpp->alg = GST_MFX_FRC_PRESERVE_TIMESTAMP;
}
if (peer_caps)
gst_caps_unref (peer_caps);
feature =
gst_mfx_find_preferred_caps_feature (GST_BASE_TRANSFORM_SRC_PAD (trans),
&out_format);
gst_video_info_change_format (&vi, out_format, width, height);
out_caps = gst_video_info_to_caps (&vi);
if (!out_caps)
return NULL;
if (feature) {
feature_str = gst_mfx_caps_feature_to_string (feature);
if (feature_str)
gst_caps_set_features (out_caps, 0,
gst_caps_features_new (feature_str, NULL));
}
if (vpp->format != out_format)
vpp->format = out_format;
return out_caps;
}