#include "video.h"
+static int get_size (GstVideoFormat format, int width, int height);
+static int get_stride (GstVideoFormat format, int plane, int width);
+static int fill_planes (GstVideoInfo * info);
+
typedef enum
{
VIDEO_FLAG_YUV = (1 << 0),
GstVideoFormat format;
guint32 fourcc;
VideoFlags flags;
+ guint n_comp;
guint depth[GST_VIDEO_MAX_PLANES];
+ guint n_planes;
} VideoFormat;
-#define COMP0 { 0, 0, 0, 0 }
-#define COMP8 { 8, 0, 0, 0 }
-#define COMP888 { 8, 8, 8, 0 }
-#define COMP8888 { 8, 8, 8, 8 }
-#define COMP10_10_10 { 10, 10, 10, 0 }
-#define COMP16 { 16, 0, 0, 0 }
-#define COMP16_16_16 { 16, 0, 0, 0 }
-#define COMP16_16_16_16 { 16, 0, 0, 0 }
-#define COMP555 { 5, 5, 5, 0 }
-#define COMP565 { 5, 6, 5, 0 }
+#define COMP0 0, { 0, 0, 0, 0 }
+#define COMP8 1, { 8, 0, 0, 0 }
+#define COMP888 3, { 8, 8, 8, 0 }
+#define COMP8888 4, { 8, 8, 8, 8 }
+#define COMP10_10_10 3, { 10, 10, 10, 0 }
+#define COMP16 1, { 16, 0, 0, 0 }
+#define COMP16_16_16 3, { 16, 16, 16, 0 }
+#define COMP16_16_16_16 4, { 16, 16, 16, 16 }
+#define COMP555 3, { 5, 5, 5, 0 }
+#define COMP565 3, { 5, 6, 5, 0 }
#define MAKE_YUV_FORMAT(name, fourcc, comp) \
{ G_STRINGIFY(name), GST_VIDEO_FORMAT_ ##name, fourcc, VIDEO_FLAG_YUV, comp }
*/
/**
- * gst_video_frame_rate:
- * @pad: pointer to a #GstPad
- *
- * A convenience function to retrieve a GValue holding the framerate
- * from the caps on a pad.
- *
- * The pad needs to have negotiated caps containing a framerate property.
- *
- * Returns: NULL if the pad has no configured caps or the configured caps
- * do not contain a framerate.
- *
- */
-const GValue *
-gst_video_frame_rate (GstPad * pad)
-{
- const GValue *fps;
- gchar *fps_string;
- GstCaps *caps = NULL;
- GstStructure *structure;
-
- /* get pad caps */
- caps = gst_pad_get_current_caps (pad);
- if (caps == NULL)
- goto no_caps;
-
- structure = gst_caps_get_structure (caps, 0);
- if ((fps = gst_structure_get_value (structure, "framerate")) == NULL)
- goto no_framerate;
-
- if (!GST_VALUE_HOLDS_FRACTION (fps))
- goto no_fraction;
-
- fps_string = gst_value_serialize (fps);
- GST_DEBUG ("Framerate request on pad %s:%s: %s",
- GST_DEBUG_PAD_NAME (pad), fps_string);
- g_free (fps_string);
-
- gst_caps_unref (caps);
-
- return fps;
-
- /* ERRORS */
-no_caps:
- {
- g_warning ("gstvideo: failed to get caps of pad %s:%s",
- GST_DEBUG_PAD_NAME (pad));
- return NULL;
- }
-no_framerate:
- {
- g_warning ("gstvideo: failed to get framerate property of pad %s:%s",
- GST_DEBUG_PAD_NAME (pad));
- gst_caps_unref (caps);
- return NULL;
- }
-no_fraction:
- {
- g_warning
- ("gstvideo: framerate property of pad %s:%s is not of type Fraction",
- GST_DEBUG_PAD_NAME (pad));
- gst_caps_unref (caps);
- return NULL;
- }
-}
-
-/**
* gst_video_calculate_display_ratio:
* @dar_n: Numerator of the calculated display_ratio
* @dar_d: Denominator of the calculated display_ratio
}
}
-/**
- * gst_video_format_parse_caps_interlaced:
- * @caps: the fixed #GstCaps to parse
- * @interlaced: whether @caps represents interlaced video or not, may be NULL (output)
- *
- * Extracts whether the caps represents interlaced content or not and places it
- * in @interlaced.
- *
- * Since: 0.10.23
- *
- * Returns: TRUE if @caps was parsed correctly.
- */
-gboolean
-gst_video_format_parse_caps_interlaced (GstCaps * caps, gboolean * interlaced)
-{
- GstStructure *structure;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (interlaced) {
- if (!gst_structure_get_boolean (structure, "interlaced", interlaced))
- *interlaced = FALSE;
- }
-
- return TRUE;
-}
-
-/**
- * gst_video_parse_caps_color_matrix:
- * @caps: the fixed #GstCaps to parse
- *
- * Extracts the color matrix used by the caps. Possible values are
- * "sdtv" for the standard definition color matrix (as specified in
- * Rec. ITU-R BT.470-6) or "hdtv" for the high definition color
- * matrix (as specified in Rec. ITU-R BT.709)
- *
- * Since: 0.10.29
- *
- * Returns: a color matrix string, or NULL if no color matrix could be
- * determined.
- */
-const char *
-gst_video_parse_caps_color_matrix (GstCaps * caps)
-{
- GstStructure *structure;
- const char *s;
-
- if (!gst_caps_is_fixed (caps))
- return NULL;
-
- structure = gst_caps_get_structure (caps, 0);
-
- s = gst_structure_get_string (structure, "color-matrix");
- if (s)
- return s;
-
- if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
- return "sdtv";
- }
-
- return NULL;
-}
-
-/**
- * gst_video_parse_caps_chroma_site:
- * @caps: the fixed #GstCaps to parse
- *
- * Extracts the chroma site used by the caps. Possible values are
- * "mpeg2" for MPEG-2 style chroma siting (co-sited horizontally,
- * halfway-sited vertically), "jpeg" for JPEG and Theora style
- * chroma siting (halfway-sited both horizontally and vertically).
- * Other chroma site values are possible, but uncommon.
- *
- * When no chroma site is specified in the caps, it should be assumed
- * to be "mpeg2".
- *
- * Since: 0.10.29
- *
- * Returns: a chroma site string, or NULL if no chroma site could be
- * determined.
- */
-const char *
-gst_video_parse_caps_chroma_site (GstCaps * caps)
-{
- GstStructure *structure;
- const char *s;
-
- if (!gst_caps_is_fixed (caps))
- return NULL;
-
- structure = gst_caps_get_structure (caps, 0);
-
- s = gst_structure_get_string (structure, "chroma-site");
- if (s)
- return s;
-
- if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
- return "mpeg2";
- }
-
- return NULL;
-}
-
-/**
- * gst_video_parse_caps_framerate:
- * @caps: pointer to a #GstCaps instance
- * @fps_n: pointer to integer to hold numerator of frame rate (output)
- * @fps_d: pointer to integer to hold denominator of frame rate (output)
- *
- * Extracts the frame rate from @caps and places the values in the locations
- * pointed to by @fps_n and @fps_d. Returns TRUE if the values could be
- * parsed correctly, FALSE if not.
- *
- * This function can be used with #GstCaps that have any media type; it
- * is not limited to formats handled by #GstVideoFormat.
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @caps was parsed correctly.
- */
-gboolean
-gst_video_parse_caps_framerate (GstCaps * caps, int *fps_n, int *fps_d)
-{
- GstStructure *structure;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- return gst_structure_get_fraction (structure, "framerate", fps_n, fps_d);
-}
-
-/**
- * gst_video_parse_caps_pixel_aspect_ratio:
- * @caps: pointer to a #GstCaps instance
- * @par_n: pointer to numerator of pixel aspect ratio (output)
- * @par_d: pointer to denominator of pixel aspect ratio (output)
- *
- * Extracts the pixel aspect ratio from @caps and places the values in
- * the locations pointed to by @par_n and @par_d. Returns TRUE if the
- * values could be parsed correctly, FALSE if not.
- *
- * This function can be used with #GstCaps that have any media type; it
- * is not limited to formats handled by #GstVideoFormat.
- *
- * Since: 0.10.16
- *
- * Returns: TRUE if @caps was parsed correctly.
- */
-gboolean
-gst_video_parse_caps_pixel_aspect_ratio (GstCaps * caps, int *par_n, int *par_d)
-{
- GstStructure *structure;
-
- if (!gst_caps_is_fixed (caps))
- return FALSE;
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (!gst_structure_get_fraction (structure, "pixel-aspect-ratio",
- par_n, par_d)) {
- *par_n = 1;
- *par_d = 1;
- }
- return TRUE;
-}
-
-/**
- * gst_video_format_new_caps_interlaced:
- * @format: the #GstVideoFormat describing the raw video format
- * @width: width of video
- * @height: height of video
- * @framerate_n: numerator of frame rate
- * @framerate_d: denominator of frame rate
- * @par_n: numerator of pixel aspect ratio
- * @par_d: denominator of pixel aspect ratio
- * @interlaced: #TRUE if the format is interlaced
- *
- * Creates a new #GstCaps object based on the parameters provided.
- *
- * Since: 0.10.23
- *
- * Returns: a new #GstCaps object, or NULL if there was an error
- */
-GstCaps *
-gst_video_format_new_caps_interlaced (GstVideoFormat format,
- int width, int height, int framerate_n, int framerate_d, int par_n,
- int par_d, gboolean interlaced)
-{
- GstCaps *res;
-
- res =
- gst_video_format_new_caps (format, width, height, framerate_n,
- framerate_d, par_n, par_d);
- if (interlaced && (res != NULL))
- gst_caps_set_simple (res, "interlaced", G_TYPE_BOOLEAN, TRUE, NULL);
-
- return res;
-}
-
-static GstCaps *
-gst_video_format_new_caps_raw (GstVideoFormat format)
-{
- g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
-
- return gst_caps_new_simple ("video/x-raw",
- "format", G_TYPE_STRING, gst_video_format_to_string (format), NULL);
-}
-
-/**
- * gst_video_format_new_template_caps:
- * @format: the #GstVideoFormat describing the raw video format
- *
- * Creates a new #GstCaps object based on the parameters provided.
- * Size, frame rate, and pixel aspect ratio are set to the full
- * range.
- *
- * Since: 0.10.33
- *
- * Returns: a new #GstCaps object, or NULL if there was an error
- */
-GstCaps *
-gst_video_format_new_template_caps (GstVideoFormat format)
-{
- GstCaps *caps;
- GstStructure *structure;
-
- g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
-
- caps = gst_video_format_new_caps_raw (format);
- if (caps) {
- GValue value = { 0 };
- GValue v = { 0 };
-
- structure = gst_caps_get_structure (caps, 0);
-
- gst_structure_set (structure,
- "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
- "height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
- "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1,
- "pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
-
- g_value_init (&value, GST_TYPE_LIST);
- g_value_init (&v, G_TYPE_BOOLEAN);
- g_value_set_boolean (&v, TRUE);
- gst_value_list_append_value (&value, &v);
- g_value_set_boolean (&v, FALSE);
- gst_value_list_append_value (&value, &v);
-
- gst_structure_set_value (structure, "interlaced", &value);
-
- g_value_reset (&value);
- g_value_reset (&v);
- }
-
- return caps;
-}
-
-/**
- * gst_video_format_new_caps:
- * @format: the #GstVideoFormat describing the raw video format
- * @width: width of video
- * @height: height of video
- * @framerate_n: numerator of frame rate
- * @framerate_d: denominator of frame rate
- * @par_n: numerator of pixel aspect ratio
- * @par_d: denominator of pixel aspect ratio
- *
- * Creates a new #GstCaps object based on the parameters provided.
- *
- * Since: 0.10.16
- *
- * Returns: a new #GstCaps object, or NULL if there was an error
- */
-GstCaps *
-gst_video_format_new_caps (GstVideoFormat format, int width,
- int height, int framerate_n, int framerate_d, int par_n, int par_d)
-{
- GstCaps *caps;
- GstStructure *structure;
-
- g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
- g_return_val_if_fail (width > 0 && height > 0, NULL);
-
- caps = gst_video_format_new_caps_raw (format);
- if (caps) {
- structure = gst_caps_get_structure (caps, 0);
-
- gst_structure_set (structure,
- "width", G_TYPE_INT, width,
- "height", G_TYPE_INT, height,
- "framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
- }
-
- return caps;
-}
-
-
static GstVideoFormat
gst_video_format_from_rgb32_masks (int red_mask, int green_mask, int blue_mask)
{
}
/**
+ * gst_video_format_get_n_components:
+ * @format: a #GstVideoFormat
+ *
+ * Get the number of components for @format.
+ *
+ * Returns: the number of components for @format.
+ */
+int
+gst_video_format_get_n_components (GstVideoFormat format)
+{
+ g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, 0);
+
+ if (format >= G_N_ELEMENTS (formats))
+ return 0;
+
+ return formats[format].n_comp;
+}
+
+/**
* gst_video_format_get_component_depth:
* @format: a #GstVideoFormat
* @component: the video component (e.g. 0 for 'R' in RGB)
gst_video_info_set_format (GstVideoInfo * info, GstVideoFormat format,
guint width, guint height)
{
+ gint i;
+
g_return_if_fail (info != NULL);
g_return_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN);
info->format = format;
info->width = width;
- info->heigth = height;
+ info->height = height;
+
+ info->n_planes = formats[format].n_planes;
+ info->size = get_size (format, info->width, info->height);
+ fill_planes (info);
+
+ for (i = 0; i < info->n_planes; i++) {
+ info->plane[i].stride = get_stride (format, i, info->width);
+ }
}
/**
gst_video_info_from_caps (GstVideoInfo * info, const GstCaps * caps)
{
GstStructure *structure;
- const gchar *fmt;
- gboolean ok = TRUE;
+ const gchar *s;
GstVideoFormat format;
- gint width, height g_return_val_if_fail (info != NULL, FALSE);
- g_return_val_if_fail (caps != NULL, FALSE);
+ gint width, height;
+ gint fps_n, fps_d;
+ gboolean interlaced;
+ gint par_n, par_d;
- if (!gst_caps_is_fixed (caps))
- return FALSE;
+ 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);
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_has_name (structure, "video/x-raw"))
goto wrong_name;
- if (!(fmt = gst_structure_get_string (structure, "format")))
+ if (!(s = gst_structure_get_string (structure, "format")))
goto no_format;
- format = gst_video_format_from_string (fmt);
+ format = gst_video_format_from_string (s);
if (format == GST_VIDEO_FORMAT_UNKNOWN)
goto unknown_format;
- info->format = format;
+ if (!gst_structure_get_int (structure, "width", &width))
+ goto no_width;
+ if (!gst_structure_get_int (structure, "height", &height))
+ goto no_height;
+
+ gst_video_info_set_format (info, format, width, height);
- if (gst_structure_get_int (structure, "width", &width))
- info->width = width;
- if (gst_structure_get_int (structure, "height", &height))
- info->height = height;
+ if (gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
+ info->fps_n = fps_n;
+ info->fps_d = fps_d;
+ } else {
+ info->fps_n = 0;
+ info->fps_d = 1;
+ }
+
+ if (!gst_structure_get_boolean (structure, "interlaced", &interlaced))
+ interlaced = FALSE;
+ if (interlaced)
+ info->flags |= GST_VIDEO_FLAG_INTERLACED;
+ else
+ info->flags &= ~GST_VIDEO_FLAG_INTERLACED;
+
+ s = gst_structure_get_string (structure, "color-matrix");
+ if (s)
+ info->color_matrix = s;
+ else
+ info->color_matrix = "sdtv";
+ s = gst_structure_get_string (structure, "chroma-site");
+ if (s)
+ info->chroma_site = s;
+ else
+ info->chroma_site = "mpeg2";
+
+ 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;
+ }
return TRUE;
/* ERROR */
{
return FALSE;
}
+no_width:
+ {
+ return FALSE;
+ }
+no_height:
+ {
+ return FALSE;
+ }
}
+/**
+ * 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)
{
- return NULL;
-}
+ GstCaps *caps;
+ const gchar *format;
+
+ g_return_val_if_fail (info != NULL, NULL);
+ g_return_val_if_fail (info->format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
+
+ format = gst_video_format_to_string (info->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,
+ "framerate", GST_TYPE_FRACTION, info->fps_n, info->fps_d,
+ "pixel-aspect-ratio", GST_TYPE_FRACTION, info->par_n, info->par_d, NULL);
+ if (info->flags & GST_VIDEO_FLAG_INTERLACED)
+ gst_caps_set_simple (caps, "interlaced", G_TYPE_BOOLEAN, TRUE, NULL);
+ if (info->color_matrix)
+ gst_caps_set_simple (caps, "color-matrix", G_TYPE_STRING,
+ info->color_matrix, NULL);
+ if (info->chroma_site)
+ gst_caps_set_simple (caps, "chromar-site", G_TYPE_STRING, info->chroma_site,
+ NULL);
-gboolean
-gst_video_info_convert (GstVideoInfo * info,
- GstFormat src_format, gint64 src_value, GstFormat dest_format,
- gint64 * dest_value)
-{
- return TRUE;
+ return caps;
}
/**
- * gst_video_format_get_row_stride:
+ * get_stride:
* @format: a #GstVideoFormat
* @component: the component index
* @width: the width of video
*
* Returns: row stride of component @component
*/
-int
-gst_video_format_get_row_stride (GstVideoFormat format, int component,
- int width)
+static int
+get_stride (GstVideoFormat format, int plane, int width)
{
- g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, 0);
- g_return_val_if_fail (component >= 0 && component <= 3, 0);
- g_return_val_if_fail (width > 0, 0);
-
switch (format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
- if (component == 0) {
+ if (plane == 0) {
return GST_ROUND_UP_4 (width);
} else {
return GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
case GST_VIDEO_FORMAT_v308:
return GST_ROUND_UP_4 (width * 3);
case GST_VIDEO_FORMAT_Y41B:
- if (component == 0) {
+ if (plane == 0) {
return GST_ROUND_UP_4 (width);
} else {
return GST_ROUND_UP_16 (width) / 4;
}
case GST_VIDEO_FORMAT_Y42B:
- if (component == 0) {
+ if (plane == 0) {
return GST_ROUND_UP_4 (width);
} else {
return GST_ROUND_UP_8 (width) / 2;
case GST_VIDEO_FORMAT_UYVP:
return GST_ROUND_UP_4 ((width * 2 * 5 + 3) / 4);
case GST_VIDEO_FORMAT_A420:
- if (component == 0 || component == 3) {
+ if (plane == 0 || plane == 3) {
return GST_ROUND_UP_4 (width);
} else {
return GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2);
return GST_ROUND_UP_4 (width);
case GST_VIDEO_FORMAT_YUV9:
case GST_VIDEO_FORMAT_YVU9:
- if (component == 0) {
+ if (plane == 0) {
return GST_ROUND_UP_4 (width);
} else {
return GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) / 4);
}
}
+#if 0
/**
* gst_video_format_get_component_width:
* @format: a #GstVideoFormat
*
* Returns: width of component @component
*/
-int
+static int
gst_video_format_get_component_width (GstVideoFormat format,
int component, int width)
{
return 0;
}
}
+#endif
+#if 0
/**
* gst_video_format_get_component_height:
* @format: a #GstVideoFormat
return 0;
}
}
+#endif
+#if 0
/**
- * gst_video_format_get_component_offset:
+ * get_component_offset:
* @format: a #GstVideoFormat
* @component: the component index
* @width: the width of video
*
* Returns: offset of component @component
*/
-int
-gst_video_format_get_component_offset (GstVideoFormat format,
+static int
+get_component_offset (GstVideoFormat format,
int component, int width, int height)
{
g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, 0);
GST_WARNING ("unhandled format %d or component %d", format, component);
return 0;
}
+#endif
/**
- * gst_video_format_get_size:
+ * get_plane_offset:
* @format: a #GstVideoFormat
+ * @plane: the plane index
* @width: the width of video
* @height: the height of video
*
- * Calculates the total number of bytes in the raw video format. This
- * number should be used when allocating a buffer for raw video.
+ * Calculates the offset (in bytes) of the first pixel of the plane
+ * with index @plane. For packed formats, this will typically be 0.
+ * For planar formats, this will be a (relatively) large offset to the
+ * beginning of the second or third plane planes.
+ * See @gst_video_format_get_row_stride for a description
+ * of the plane index.
*
* Since: 0.10.16
*
+ * Returns: offset of plane @plane
+ */
+static int
+fill_planes (GstVideoInfo * info)
+{
+ int width;
+ int height;
+
+ width = info->width;
+ height = info->height;
+
+ switch (info->format) {
+ case GST_VIDEO_FORMAT_YUY2:
+ case GST_VIDEO_FORMAT_YVYU:
+ case GST_VIDEO_FORMAT_UYVY:
+ case GST_VIDEO_FORMAT_AYUV:
+ case GST_VIDEO_FORMAT_RGBx:
+ case GST_VIDEO_FORMAT_RGBA:
+ case GST_VIDEO_FORMAT_BGRx:
+ case GST_VIDEO_FORMAT_BGRA:
+ case GST_VIDEO_FORMAT_xRGB:
+ case GST_VIDEO_FORMAT_ARGB:
+ case GST_VIDEO_FORMAT_xBGR:
+ case GST_VIDEO_FORMAT_ABGR:
+ case GST_VIDEO_FORMAT_RGB:
+ case GST_VIDEO_FORMAT_v308:
+ case GST_VIDEO_FORMAT_BGR:
+ case GST_VIDEO_FORMAT_v210:
+ case GST_VIDEO_FORMAT_r210:
+ case GST_VIDEO_FORMAT_v216:
+ case GST_VIDEO_FORMAT_GRAY8:
+ case GST_VIDEO_FORMAT_GRAY16_BE:
+ case GST_VIDEO_FORMAT_GRAY16_LE:
+ case GST_VIDEO_FORMAT_Y800:
+ case GST_VIDEO_FORMAT_Y16:
+ case GST_VIDEO_FORMAT_UYVP:
+ case GST_VIDEO_FORMAT_RGB8_PALETTED:
+ case GST_VIDEO_FORMAT_IYU1:
+ case GST_VIDEO_FORMAT_ARGB64:
+ case GST_VIDEO_FORMAT_AYUV64:
+ info->n_planes = 1;
+ info->plane[0].offset = 0;
+ break;
+ case GST_VIDEO_FORMAT_I420:
+ info->n_planes = 3;
+ info->plane[0].offset = 0;
+ info->plane[1].offset = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
+ info->plane[2].offset = info->plane[1].offset +
+ GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
+ (GST_ROUND_UP_2 (height) / 2);
+ break;
+ case GST_VIDEO_FORMAT_YV12: /* same as I420, but plane 1+2 swapped */
+ info->n_planes = 3;
+ info->plane[0].offset = 0;
+ info->plane[2].offset = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
+ info->plane[1].offset = info->plane[2].offset +
+ GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
+ (GST_ROUND_UP_2 (height) / 2);
+ break;
+ case GST_VIDEO_FORMAT_Y41B:
+ info->n_planes = 3;
+ info->plane[0].offset = 0;
+ info->plane[1].offset = GST_ROUND_UP_4 (width) * height;
+ info->plane[2].offset = (GST_ROUND_UP_4 (width) +
+ (GST_ROUND_UP_16 (width) / 4)) * height;
+ break;
+ case GST_VIDEO_FORMAT_Y42B:
+ info->n_planes = 3;
+ info->plane[0].offset = 0;
+ info->plane[1].offset = GST_ROUND_UP_4 (width) * height;
+ info->plane[2].offset =
+ (GST_ROUND_UP_4 (width) + (GST_ROUND_UP_8 (width) / 2)) * height;
+ break;
+ case GST_VIDEO_FORMAT_Y444:
+ info->n_planes = 3;
+ info->plane[0].offset = 0;
+ info->plane[1].offset = GST_ROUND_UP_4 (width) * height;
+ info->plane[2].offset = GST_ROUND_UP_4 (width) * height * 2;
+ break;
+ case GST_VIDEO_FORMAT_NV12:
+ case GST_VIDEO_FORMAT_NV21:
+ info->n_planes = 2;
+ info->plane[0].offset = 0;
+ info->plane[1].offset = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
+ break;
+ case GST_VIDEO_FORMAT_A420:
+ info->n_planes = 4;
+ info->plane[0].offset = 0;
+ info->plane[1].offset = GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
+ info->plane[2].offset = info->plane[1].offset +
+ GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
+ (GST_ROUND_UP_2 (height) / 2);
+ info->plane[3].offset = info->plane[2].offset +
+ GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
+ (GST_ROUND_UP_2 (height) / 2);
+ break;
+ case GST_VIDEO_FORMAT_YUV9:
+ info->n_planes = 3;
+ info->plane[0].offset = 0;
+ info->plane[1].offset = GST_ROUND_UP_4 (width) * height;
+ info->plane[2].offset = info->plane[1].offset +
+ GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) / 4) *
+ (GST_ROUND_UP_4 (height) / 4);
+ break;
+ case GST_VIDEO_FORMAT_YVU9:
+ info->n_planes = 3;
+ info->plane[0].offset = 0;
+ info->plane[2].offset = GST_ROUND_UP_4 (width) * height;
+ info->plane[1].offset = info->plane[2].offset +
+ GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) / 4) *
+ (GST_ROUND_UP_4 (height) / 4);
+ break;
+ default:
+ break;
+ }
+ GST_WARNING ("unhandled format %d", info->format);
+ return 0;
+}
+
+/**
+ * get_size:
+ * @format: a #GstVideoFormat
+ * @width: the width of video
+ * @height: the height of video
+ *
+ * Calculates the total number of bytes in the raw video format. This
+ * number should be used when allocating a buffer for raw video.
+ *
* Returns: size (in bytes) of raw video format
*/
-int
-gst_video_format_get_size (GstVideoFormat format, int width, int height)
+static int
+get_size (GstVideoFormat format, int width, int height)
{
int size;
}
/**
- * gst_video_get_size_from_caps:
- * @caps: a pointer to #GstCaps
- * @size: a pointer to a gint that will be assigned the size (in bytes) of a video frame with the given caps
- *
- * Calculates the total number of bytes in the raw video format for the given
- * caps. This number should be used when allocating a buffer for raw video.
- *
- * Since: 0.10.34
- *
- * Returns: %TRUE if the size could be calculated from the caps
- */
-gboolean
-gst_video_get_size_from_caps (const GstCaps * caps, gint * size)
-{
- GstVideoFormat format = 0;
- gint width = 0, height = 0;
-
- g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);
- g_return_val_if_fail (size != NULL, FALSE);
-
- if (gst_video_format_parse_caps (caps, &format, &width, &height) == FALSE) {
- GST_WARNING ("Could not parse caps: %" GST_PTR_FORMAT, caps);
- return FALSE;
- }
-
- *size = gst_video_format_get_size (format, width, height);
- return TRUE;
-}
-
-/**
* gst_video_format_convert:
- * @format: a #GstVideoFormat
- * @width: the width of video
- * @height: the height of video
- * @fps_n: frame rate numerator
- * @fps_d: frame rate denominator
+ * @info: a #GstVideoInfo
* @src_format: #GstFormat of the @src_value
* @src_value: value to convert
* @dest_format: #GstFormat of the @dest_value
* Converts among various #GstFormat types. This function handles
* GST_FORMAT_BYTES, GST_FORMAT_TIME, and GST_FORMAT_DEFAULT. For
* raw video, GST_FORMAT_DEFAULT corresponds to video frames. This
- * function can be to handle pad queries of the type GST_QUERY_CONVERT.
+ * function can be used to handle pad queries of the type GST_QUERY_CONVERT.
*
* Since: 0.10.16
*
* Returns: TRUE if the conversion was successful.
*/
gboolean
-gst_video_format_convert (GstVideoFormat format, int width, int height,
- int fps_n, int fps_d,
+gst_video_info_convert (GstVideoInfo * info,
GstFormat src_format, gint64 src_value,
GstFormat dest_format, gint64 * dest_value)
{
gboolean ret = FALSE;
- int size;
+ int size, fps_n, fps_d;
- g_return_val_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN, 0);
- g_return_val_if_fail (width > 0 && height > 0, 0);
+ g_return_val_if_fail (info != NULL, 0);
+ g_return_val_if_fail (info->format != GST_VIDEO_FORMAT_UNKNOWN, 0);
+ g_return_val_if_fail (info->size > 0, 0);
- size = gst_video_format_get_size (format, width, height);
+ size = info->size;
+ fps_n = info->fps_n;
+ fps_d = info->fps_d;
GST_DEBUG ("converting value %" G_GINT64_FORMAT " from %s to %s",
src_value, gst_format_get_name (src_format),
return TRUE;
}
+#if 0
/**
* gst_video_parse_caps_palette:
* @caps: #GstCaps to parse
return p;
}
+#endif
projects / platform / upstream / gstreamer.git / commitdiff