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v4l2: don't extract data from caps twice
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
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1 changed files with 0 additions and 38 deletions
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@ -1567,11 +1567,8 @@ gst_v4l2_object_get_caps_info (GstV4l2Object * v4l2object, GstCaps * caps,
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break;
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}
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} else {
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gboolean dimensions = TRUE;
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if (g_str_equal (mimetype, "video/mpegts")) {
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fourcc = V4L2_PIX_FMT_MPEG;
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dimensions = FALSE;
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} else if (g_str_equal (mimetype, "video/x-dv")) {
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fourcc = V4L2_PIX_FMT_DV;
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} else if (g_str_equal (mimetype, "image/jpeg")) {
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@ -1605,26 +1602,6 @@ gst_v4l2_object_get_caps_info (GstV4l2Object * v4l2object, GstCaps * caps,
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fourcc = V4L2_PIX_FMT_PWC2;
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}
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#endif
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if (dimensions) {
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const gchar *interlace_mode;
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if (!gst_structure_get_int (structure, "width", &info->width))
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goto no_width;
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if (!gst_structure_get_int (structure, "height", &info->height))
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goto no_height;
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interlace_mode = gst_structure_get_string (structure, "interlace-mode");
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if (g_str_equal (interlace_mode, "progressive")) {
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info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
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} else {
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info->interlace_mode = GST_VIDEO_INTERLACE_MODE_MIXED;
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}
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if (!gst_structure_get_fraction (structure, "framerate", &info->fps_n,
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&info->fps_d))
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goto no_framerate;
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}
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}
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if (fourcc == 0)
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@ -1639,21 +1616,6 @@ gst_v4l2_object_get_caps_info (GstV4l2Object * v4l2object, GstCaps * caps,
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return TRUE;
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/* ERRORS */
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no_width:
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{
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GST_DEBUG_OBJECT (v4l2object, "no width");
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return FALSE;
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}
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no_height:
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{
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GST_DEBUG_OBJECT (v4l2object, "no height");
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return FALSE;
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}
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no_framerate:
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{
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GST_DEBUG_OBJECT (v4l2object, "no framerate");
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return FALSE;
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}
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invalid_format:
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{
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GST_DEBUG_OBJECT (v4l2object, "invalid format");
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