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v4l2: don't extract data from caps twice

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gst_video_info_from_caps() always extract width, height, interlace mode and
framerate now. It is no longer necessary to do it again for encoded
formats.

https://bugzilla.gnome.org/show_bug.cgi?id=703399
This commit is contained in:
Michael Olbrich 2013-07-01 16:55:01 +02:00 committed by Sebastian Dröge
parent 66dbe3151a
commit 5c99fefa04
1 changed files with 0 additions and 38 deletions
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38
sys/v4l2/gstv4l2object.c
View file

@ -1567,11 +1567,8 @@ gst_v4l2_object_get_caps_info (GstV4l2Object * v4l2object, GstCaps * caps,
break;
}
} else {
gboolean dimensions = TRUE;
if (g_str_equal (mimetype, "video/mpegts")) {
fourcc = V4L2_PIX_FMT_MPEG;
dimensions = FALSE;
} else if (g_str_equal (mimetype, "video/x-dv")) {
fourcc = V4L2_PIX_FMT_DV;
} else if (g_str_equal (mimetype, "image/jpeg")) {
@ -1605,26 +1602,6 @@ gst_v4l2_object_get_caps_info (GstV4l2Object * v4l2object, GstCaps * caps,
fourcc = V4L2_PIX_FMT_PWC2;
}
#endif
if (dimensions) {
const gchar *interlace_mode;
if (!gst_structure_get_int (structure, "width", &info->width))
goto no_width;
if (!gst_structure_get_int (structure, "height", &info->height))
goto no_height;
interlace_mode = gst_structure_get_string (structure, "interlace-mode");
if (g_str_equal (interlace_mode, "progressive")) {
info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
} else {
info->interlace_mode = GST_VIDEO_INTERLACE_MODE_MIXED;
}
if (!gst_structure_get_fraction (structure, "framerate", &info->fps_n,
&info->fps_d))
goto no_framerate;
}
}
if (fourcc == 0)
@ -1639,21 +1616,6 @@ gst_v4l2_object_get_caps_info (GstV4l2Object * v4l2object, GstCaps * caps,
return TRUE;
/* ERRORS */
no_width:
{
GST_DEBUG_OBJECT (v4l2object, "no width");
return FALSE;
}
no_height:
{
GST_DEBUG_OBJECT (v4l2object, "no height");
return FALSE;
}
no_framerate:
{
GST_DEBUG_OBJECT (v4l2object, "no framerate");
return FALSE;
}
invalid_format:
{
GST_DEBUG_OBJECT (v4l2object, "invalid format");