*
* <refsect2>
* <para>
- * This library contains some helper functions and includes the
+ * This library contains some helper functions and includes the
* videosink and videofilter base classes.
* </para>
* </refsect2>
*
* 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
*
* Inspect the caps of the provided pad and retrieve the width and height of
* the video frames it is configured for.
- *
+ *
* The pad needs to have negotiated caps containing width and height properties.
*
* Returns: TRUE if the width and height could be retrieved.
* @display_par_n: Numerator of the pixel aspect ratio of the display device
* @display_par_d: Denominator of the pixel aspect ratio of the display device
*
- * Given the Pixel Aspect Ratio and size of an input video frame, and the
- * pixel aspect ratio of the intended display device, calculates the actual
+ * Given the Pixel Aspect Ratio and size of an input video frame, and the
+ * pixel aspect ratio of the intended display device, calculates the actual
* display ratio the video will be rendered with.
*
- * Returns: A boolean indicating success and a calculated Display Ratio in the
- * dar_n and dar_d parameters.
- * The return value is FALSE in the case of integer overflow or other error.
+ * Returns: A boolean indicating success and a calculated Display Ratio in the
+ * dar_n and dar_d parameters.
+ * The return value is FALSE in the case of integer overflow or other error.
*
* Since: 0.10.7
*/
* 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".
*
blue_mask = GST_VIDEO_COMP1_MASK_15_INT;
break;
default:
- return NULL;
+ g_assert_not_reached ();
}
} else if (bpp != 8) {
- return NULL;
+ g_assert_not_reached ();
}
caps = gst_caps_new_simple ("video/x-raw-rgb",
* @blue_mask: blue bit mask
*
* Converts red, green, blue bit masks into the corresponding
- * #GstVideoFormat.
+ * #GstVideoFormat.
*
* Since: 0.10.16
*
/**
* gst_video_format_has_alpha:
* @format: a #GstVideoFormat
- *
+ *
* Returns TRUE or FALSE depending on if the video format provides an
* alpha channel.
*
/**
* gst_video_format_get_component_depth:
* @format: a #GstVideoFormat
- *
+ * @component: the video component (e.g. 0 for 'R' in RGB)
+ *
* Returns the number of bits used to encode an individual pixel of
- * a given component. Typically this is 8, although higher and lower
+ * a given @component. Typically this is 8, although higher and lower
* values are possible for some formats.
*
* Since: 0.10.33
GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
(GST_ROUND_UP_2 (height) / 2);
}
- return 0;
+ break;
case GST_VIDEO_FORMAT_YV12: /* same as I420, but components 1+2 swapped */
if (component == 0)
return 0;
GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
(GST_ROUND_UP_2 (height) / 2);
}
- return 0;
+ break;
case GST_VIDEO_FORMAT_YUY2:
if (component == 0)
return 0;
return 1;
if (component == 2)
return 3;
- return 0;
+ break;
case GST_VIDEO_FORMAT_YVYU:
if (component == 0)
return 0;
return 3;
if (component == 2)
return 1;
- return 0;
+ break;
case GST_VIDEO_FORMAT_UYVY:
if (component == 0)
return 1;
return 0;
if (component == 2)
return 2;
- return 0;
+ break;
case GST_VIDEO_FORMAT_AYUV:
if (component == 0)
return 1;
return 3;
if (component == 3)
return 0;
- return 0;
+ break;
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_RGBA:
if (component == 0)
return 2;
if (component == 3)
return 3;
- return 0;
+ break;
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_BGRA:
if (component == 0)
return 0;
if (component == 3)
return 3;
- return 0;
+ break;
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_ARGB:
if (component == 0)
return 3;
if (component == 3)
return 0;
- return 0;
+ break;
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_ABGR:
if (component == 0)
return 1;
if (component == 3)
return 0;
- return 0;
+ break;
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_v308:
if (component == 0)
return 1;
if (component == 2)
return 2;
- return 0;
+ break;
case GST_VIDEO_FORMAT_BGR:
if (component == 0)
return 2;
return 1;
if (component == 2)
return 0;
- return 0;
+ break;
case GST_VIDEO_FORMAT_Y41B:
if (component == 0)
return 0;
if (component == 2)
return (GST_ROUND_UP_4 (width) +
(GST_ROUND_UP_16 (width) / 4)) * height;
- return 0;
+ break;
case GST_VIDEO_FORMAT_Y42B:
if (component == 0)
return 0;
return GST_ROUND_UP_4 (width) * height;
if (component == 2)
return (GST_ROUND_UP_4 (width) + (GST_ROUND_UP_8 (width) / 2)) * height;
- return 0;
+ break;
case GST_VIDEO_FORMAT_Y444:
return GST_ROUND_UP_4 (width) * height * component;
case GST_VIDEO_FORMAT_v210:
return 2;
if (component == 2)
return 6;
- return 0;
+ break;
case GST_VIDEO_FORMAT_NV12:
if (component == 0)
return 0;
return GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
if (component == 2)
return GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height) + 1;
+ break;
case GST_VIDEO_FORMAT_NV21:
if (component == 0)
return 0;
return GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height) + 1;
if (component == 2)
return GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height);
+ break;
case GST_VIDEO_FORMAT_GRAY8:
case GST_VIDEO_FORMAT_GRAY16_BE:
case GST_VIDEO_FORMAT_GRAY16_LE:
2 * GST_ROUND_UP_4 (GST_ROUND_UP_2 (width) / 2) *
(GST_ROUND_UP_2 (height) / 2);
}
+ break;
case GST_VIDEO_FORMAT_RGB8_PALETTED:
return 0;
case GST_VIDEO_FORMAT_YUV9:
GST_ROUND_UP_4 (GST_ROUND_UP_4 (width) / 4) *
(GST_ROUND_UP_4 (height) / 4);
}
- return 0;
+ break;
case GST_VIDEO_FORMAT_YVU9:
if (component == 0)
return 0;
}
if (component == 2)
return GST_ROUND_UP_4 (width) * height;
- return 0;
+ break;
case GST_VIDEO_FORMAT_IYU1:
if (component == 0)
return 1;
return 0;
if (component == 2)
return 4;
+ break;
case GST_VIDEO_FORMAT_ARGB64:
case GST_VIDEO_FORMAT_AYUV64:
if (component == 0)
return 6;
if (component == 3)
return 0;
- return 0;
+ break;
default:
- return 0;
+ break;
}
+ GST_WARNING ("unhandled format %d or component %d", format, component);
+ return 0;
}
/**
projects / platform / upstream / gstreamer.git / blobdiff