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imperxsdi: add direct conversion to v210 pixel format

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This matches the decklink plugin format.
This commit is contained in:
Joshua M. Doe 2019-11-06 14:24:20 -05:00
parent 995bcca23b
commit 0fc4bc182c
1 changed files with 63 additions and 3 deletions
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66
sys/imperxsdi/gstimperxsdisrc.cpp
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@ -89,7 +89,7 @@ static GstStaticPadTemplate gst_imperxsdisrc_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ AYUV64, YUY2, BGR }"))
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ v210, AYUV64, YUY2, BGR }"))
);
/* class initialization */
@ -464,6 +464,45 @@ unpack_YVYU10 (gpointer dest, const gpointer data,
}
}
static void
repack_YVYU10_to_v210 (gpointer dest, const gpointer data,
const gint stride, gint x, gint y, gint width)
{
int i;
const guint8 *restrict s = (guint8 *) (data) + stride * y;
guint32 *restrict d = (guint32 *) dest;
guint32 a0, a1, a2, a3;
guint16 y0, y1, y2, y3, y4, y5;
guint16 u0, u2, u4;
guint16 v0, v2, v4;
s += x * 2;
for (i = 0; i < width; i += 4) {
a0 = GST_READ_UINT32_LE (s + (i / 4) * 16 + 0);
a1 = GST_READ_UINT32_LE (s + (i / 4) * 16 + 4);
a2 = GST_READ_UINT32_LE (s + (i / 4) * 16 + 8);
a3 = GST_READ_UINT32_LE (s + (i / 4) * 16 + 12);
y0 = ((a0 >> 0) & 0x3ff);
u0 = ((a0 >> 10) & 0x3ff);
y1 = ((a0 >> 20) & 0x3ff);
v0 = (((a0 >> 30) | (a1 << 2)) & 0x3ff);
y2 = ((a1 >> 8) & 0x3ff);
u2 = ((a1 >> 18) & 0x3ff);
y3 = ((a2 >> 0) & 0x3ff);
v2 = ((a2 >> 10) & 0x3ff);
y4 = ((a2 >> 20) & 0x3ff);
u4 = (((a2 >> 30) | (a3 << 2)) & 0x3ff);
y5 = ((a3 >> 8) & 0x3ff);
v4 = ((a3 >> 18) & 0x3ff);
d[i + 0] = (v0 << 20) | (y0 << 10) | u0;
d[i + 1] = (y2 << 20) | (u2 << 10) | y1;
d[i + 2] = (u4 << 20) | (y3 << 10) | v2;
d[i + 3] = (y5 << 20) | (v4 << 10) | y4;
}
}
static GstBuffer *
gst_imperxsdisrc_create_buffer_from_frameinfo (GstImperxSdiSrc * src,
@ -473,7 +512,8 @@ gst_imperxsdisrc_create_buffer_from_frameinfo (GstImperxSdiSrc * src,
GstBuffer *buf;
int buffer_size;
if (src->is_interlaced && src->format != GST_VIDEO_FORMAT_AYUV64) {
if (src->is_interlaced
&& src->camera_data.Format != VCESDI_OutputFormat_YCrCb10) {
VCESDI_Decode (&src->camera_data, NULL, NULL, &src->imperx_stride,
src->camera_data.Format, NULL, NULL);
buffer_size = src->camera_data.CameraStatus.Height * src->imperx_stride;
@ -490,7 +530,8 @@ gst_imperxsdisrc_create_buffer_from_frameinfo (GstImperxSdiSrc * src,
pFrameInfo->bufferSize, src->imperx_stride, minfo.size, src->gst_stride,
pFrameInfo->number, pFrameInfo->timestamp);
if (src->is_interlaced && src->format != GST_VIDEO_FORMAT_AYUV64) {
if (src->is_interlaced
&& src->camera_data.Format != VCESDI_OutputFormat_YCrCb10) {
VCESDI_Decode (&src->camera_data, pFrameInfo->lpRawBuffer, minfo.data,
&src->imperx_stride, src->camera_data.Format, NULL, NULL);
} else {
@ -512,6 +553,24 @@ gst_imperxsdisrc_create_buffer_from_frameinfo (GstImperxSdiSrc * src,
pFrameInfo->lpRawBuffer, src->imperx_stride, 0, row, src->width);
}
}
} else if (src->format == GST_VIDEO_FORMAT_v210) {
gint row;
if (src->is_interlaced) {
gint hh = src->height / 2;
/* assumes even number of rows, which is the case for all formats */
for (row = 0; row < hh; row++) {
repack_YVYU10_to_v210 (minfo.data + src->gst_stride * (row * 2),
pFrameInfo->lpRawBuffer, src->imperx_stride, 0, row, src->width);
repack_YVYU10_to_v210 (minfo.data + src->gst_stride * (row * 2 + 1),
pFrameInfo->lpRawBuffer, src->imperx_stride, 0, row + hh,
src->width);
}
} else {
for (row = 0; row < src->height; row++) {
repack_YVYU10_to_v210 (minfo.data + src->gst_stride * row,
pFrameInfo->lpRawBuffer, src->imperx_stride, 0, row, src->width);
}
}
} else {
/* all supported formats should already be 4-byte aligned */
g_assert (pFrameInfo->bufferSize >= minfo.size);
@ -610,6 +669,7 @@ gst_imperxsdisrc_start_grab (GstImperxSdiSrc * src)
src->format = GST_VIDEO_INFO_FORMAT (&vinfo);
switch (src->format) {
case GST_VIDEO_FORMAT_v210:
case GST_VIDEO_FORMAT_AYUV64:
src->camera_data.Format = VCESDI_OutputFormat_YCrCb10;
/* 12 components (6 pixels), in 16 bytes */