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fix caps to avoid videoconvert bug in 1.8 which corrupts data

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Previous way of creating caps left invalid colorimetry field 0:0:0:0,
which combined with a bug present in GStreamer 1.8 led to GRAY16_LE data
being corrupted when converted to GRAY16_BE (or vice versa). Current
method will properly initialize colorimetry field, avoiding this problem
in 1.8.
This commit is contained in:
Joshua M. Doe
2017-11-16 08:27:08 -05:00
parent f76390323f
commit e4a308a545
10 changed files with 55 additions and 51 deletions
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22
sys/imperx/gstframelinksrc.c
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@@ -403,19 +403,20 @@ gst_framelinksrc_start (GstBaseSrc * bsrc)
}
gst_video_info_init (&vinfo);
vinfo.width = ci->Width;
vinfo.height = ci->Height;
ci->BitDepth = ci->BitDepth;
if (ci->BitDepth <= 8) {
GstVideoFormat format;
if (src->pixInfo.BayerPattern == 0) {
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY8);
format = GST_VIDEO_FORMAT_GRAY8;
} else if (src->pixInfo.BayerPattern == 1 || src->pixInfo.BayerPattern == 2) {
/* Bayer and TRUESENSE will be demosaiced by Imperx into BGRA */
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_BGRA);
format = GST_VIDEO_FORMAT_BGRA;
}
gst_video_info_set_format (&vinfo, format, ci->Width, ci->Height);
src->caps = gst_video_info_to_caps (&vinfo);
} else if (ci->BitDepth > 8 && ci->BitDepth <= 16) {
GstVideoFormat format;
GValue val = G_VALUE_INIT;
GstStructure *s;
@@ -425,10 +426,12 @@ gst_framelinksrc_start (GstBaseSrc * bsrc)
return FALSE;
}
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY16_LE);
else if (G_BYTE_ORDER == G_BIG_ENDIAN)
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY16_BE);
if (G_BYTE_ORDER == G_LITTLE_ENDIAN) {
format = GST_VIDEO_FORMAT_GRAY16_LE;
} else if (G_BYTE_ORDER == G_BIG_ENDIAN) {
format = GST_VIDEO_FORMAT_GRAY16_BE;
}
gst_video_info_set_format (&vinfo, format, ci->Width, ci->Height);
src->caps = gst_video_info_to_caps (&vinfo);
/* set bpp, extra info for GRAY16 so elements can scale properly */
@@ -438,7 +441,8 @@ gst_framelinksrc_start (GstBaseSrc * bsrc)
gst_structure_set_value (s, "bpp", &val);
g_value_unset (&val);
} else if (ci->BitDepth == 24) {
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_BGRA);
gst_video_info_set_format (&vinfo, GST_VIDEO_FORMAT_BGRA, ci->Width,
ci->Height);
src->caps = gst_video_info_to_caps (&vinfo);
} else {
GST_ELEMENT_ERROR (src, STREAM, WRONG_TYPE,