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h264parse: Move PAR calcs, and use them for stereoscopic half-aspect

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Move the pixel-aspect-ratio calculations higher up in caps
determination, so the results are available for a call to
gst_video_multiview_guess_half_aspect() when stereoscopic video
is detected.
This commit is contained in:
Jan Schmidt 2015-06-15 16:06:41 +10:00
parent 3ea9f51dd7
commit b77f8e172a
1 changed files with 21 additions and 12 deletions
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31
gst/videoparsers/gsth264parse.c
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@ -1696,6 +1696,7 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
} else {
gint crop_width, crop_height;
gint fps_num, fps_den;
gint par_n, par_d;
if (sps->frame_cropping_flag) {
crop_width = sps->crop_rect_width;
@ -1760,14 +1761,32 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
else
height = h264parse->height;
if (s == NULL ||
!gst_structure_get_fraction (s, "pixel-aspect-ratio", &par_n,
&par_d)) {
gst_h264_parse_get_par (h264parse, &par_n, &par_d);
if (par_n != 0 && par_d != 0) {
GST_INFO_OBJECT (h264parse, "PAR %d/%d", par_n, par_d);
gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
par_n, par_d, NULL);
} else {
/* Assume par_n/par_d of 1/1 for calcs below, but don't set into caps */
par_n = par_d = 1;
}
}
/* Pass through or set output stereo/multiview config */
if (s && gst_structure_has_field (s, "multiview-mode")) {
caps_mview_mode = gst_structure_get_string (s, "multiview-mode");
mview_mode =
gst_video_multiview_mode_from_caps_string (caps_mview_mode);
gst_structure_get_flagset (s, "multiview-flags", &mview_flags, NULL);
} else if (mview_mode != GST_VIDEO_MULTIVIEW_MODE_NONE) {
if (gst_video_multiview_guess_half_aspect (mview_mode,
width, height, par_n, par_d)) {
mview_flags |= GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
}
if (mview_mode != GST_VIDEO_MULTIVIEW_MODE_NONE) {
caps_mview_mode = gst_video_multiview_mode_to_caps_string (mview_mode);
gst_caps_set_simple (caps, "multiview-mode", G_TYPE_STRING,
caps_mview_mode, "multiview-flags",
@ -1798,22 +1817,12 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
}
if (caps) {
gint par_n, par_d;
gst_caps_set_simple (caps, "parsed", G_TYPE_BOOLEAN, TRUE,
"stream-format", G_TYPE_STRING,
gst_h264_parse_get_string (h264parse, TRUE, h264parse->format),
"alignment", G_TYPE_STRING,
gst_h264_parse_get_string (h264parse, FALSE, h264parse->align), NULL);
gst_h264_parse_get_par (h264parse, &par_n, &par_d);
if (par_n != 0 && par_d != 0 &&
(!s || !gst_structure_has_field (s, "pixel-aspect-ratio"))) {
GST_INFO_OBJECT (h264parse, "PAR %d/%d", par_n, par_d);
gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
par_n, par_d, NULL);
}
/* set profile and level in caps */
if (sps) {
const gchar *profile, *level;