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video.c: use a break and a final warning instead of early returns

Browse source 
Use breaks for case branches instead of return 0. We don't expect these to
happen anyway. Thus have a warning before the final return to make it easier to
see when things go out of sync.
This commit is contained in:
Stefan Kost 2011-05-23 13:50:59 +03:00
parent 40273cf2d3
commit 6e12954c68
1 changed files with 25 additions and 19 deletions
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44
gst-libs/gst/video/video.c
View file

@ -1744,7 +1744,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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;
@ -1755,7 +1755,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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;
@ -1763,7 +1763,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 1;
if (component == 2)
return 3;
return 0;
break;
case GST_VIDEO_FORMAT_YVYU:
if (component == 0)
return 0;
@ -1771,7 +1771,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 3;
if (component == 2)
return 1;
return 0;
break;
case GST_VIDEO_FORMAT_UYVY:
if (component == 0)
return 1;
@ -1779,7 +1779,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 0;
if (component == 2)
return 2;
return 0;
break;
case GST_VIDEO_FORMAT_AYUV:
if (component == 0)
return 1;
@ -1789,7 +1789,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 3;
if (component == 3)
return 0;
return 0;
break;
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_RGBA:
if (component == 0)
@ -1800,7 +1800,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 2;
if (component == 3)
return 3;
return 0;
break;
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_BGRA:
if (component == 0)
@ -1811,7 +1811,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 0;
if (component == 3)
return 3;
return 0;
break;
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_ARGB:
if (component == 0)
@ -1822,7 +1822,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 3;
if (component == 3)
return 0;
return 0;
break;
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_ABGR:
if (component == 0)
@ -1833,7 +1833,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 1;
if (component == 3)
return 0;
return 0;
break;
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_v308:
if (component == 0)
@ -1842,7 +1842,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 1;
if (component == 2)
return 2;
return 0;
break;
case GST_VIDEO_FORMAT_BGR:
if (component == 0)
return 2;
@ -1850,7 +1850,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 1;
if (component == 2)
return 0;
return 0;
break;
case GST_VIDEO_FORMAT_Y41B:
if (component == 0)
return 0;
@ -1859,7 +1859,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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;
@ -1867,7 +1867,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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:
@ -1881,7 +1881,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 2;
if (component == 2)
return 6;
return 0;
break;
case GST_VIDEO_FORMAT_NV12:
if (component == 0)
return 0;
@ -1889,6 +1889,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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;
@ -1896,6 +1897,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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:
@ -1920,6 +1922,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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:
@ -1932,7 +1935,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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;
@ -1943,7 +1946,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
}
if (component == 2)
return GST_ROUND_UP_4 (width) * height;
return 0;
break;
case GST_VIDEO_FORMAT_IYU1:
if (component == 0)
return 1;
@ -1951,6 +1954,7 @@ gst_video_format_get_component_offset (GstVideoFormat format,
return 0;
if (component == 2)
return 4;
break;
case GST_VIDEO_FORMAT_ARGB64:
case GST_VIDEO_FORMAT_AYUV64:
if (component == 0)
@ -1961,10 +1965,12 @@ gst_video_format_get_component_offset (GstVideoFormat format,
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;
}
/**