mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-28 09:15:08 +00:00
videobalance: Use libgstvideo for format specific things
This commit is contained in:
Sebastian Dröge
parent
fe4f9ea16b
commit
2cb7ac0192
|
|
@ -1,6 +1,7 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
||||
* Copyright (C) <2003> David Schleef <ds@schleef.org>
|
||||
* Copyright (C) <2010> Sebastian Dröge <sebastian.droege@collabora.co.uk>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
|
|
@ -48,7 +49,6 @@
|
|||
#include <math.h>
|
||||
|
||||
#include <gst/controller/gstcontroller.h>
|
||||
#include <gst/video/video.h>
|
||||
#include <gst/interfaces/colorbalance.h>
|
||||
|
||||
#ifndef M_PI
|
||||
|
|
@ -183,28 +183,24 @@ gst_video_balance_update_properties (GstVideoBalance * videobalance)
|
|||
gst_video_balance_update_tables (videobalance);
|
||||
}
|
||||
|
||||
/* Useful macros */
|
||||
#define GST_VIDEO_I420_Y_ROWSTRIDE(width) (GST_ROUND_UP_4(width))
|
||||
#define GST_VIDEO_I420_U_ROWSTRIDE(width) (GST_ROUND_UP_8(width)/2)
|
||||
#define GST_VIDEO_I420_V_ROWSTRIDE(width) ((GST_ROUND_UP_8(GST_VIDEO_I420_Y_ROWSTRIDE(width)))/2)
|
||||
|
||||
#define GST_VIDEO_I420_Y_OFFSET(w,h) (0)
|
||||
#define GST_VIDEO_I420_U_OFFSET(w,h) (GST_VIDEO_I420_Y_OFFSET(w,h)+(GST_VIDEO_I420_Y_ROWSTRIDE(w)*GST_ROUND_UP_2(h)))
|
||||
#define GST_VIDEO_I420_V_OFFSET(w,h) (GST_VIDEO_I420_U_OFFSET(w,h)+(GST_VIDEO_I420_U_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
|
||||
#define GST_VIDEO_I420_SIZE(w,h) (GST_VIDEO_I420_V_OFFSET(w,h)+(GST_VIDEO_I420_V_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
|
||||
|
||||
static void
|
||||
gst_video_balance_planar411_ip (GstVideoBalance * videobalance, guint8 * data,
|
||||
gint width, gint height)
|
||||
gst_video_balance_planar_yuv (GstVideoBalance * videobalance, guint8 * data)
|
||||
{
|
||||
gint x, y;
|
||||
guint8 *ydata;
|
||||
guint8 *udata, *vdata;
|
||||
gint ystride, ustride, vstride;
|
||||
GstVideoFormat format;
|
||||
gint width, height;
|
||||
gint width2, height2;
|
||||
|
||||
ydata = data + GST_VIDEO_I420_Y_OFFSET (width, height);
|
||||
ystride = GST_VIDEO_I420_Y_ROWSTRIDE (width);
|
||||
format = videobalance->format;
|
||||
width = videobalance->width;
|
||||
height = videobalance->height;
|
||||
|
||||
ydata =
|
||||
data + gst_video_format_get_component_offset (format, 0, width, height);
|
||||
ystride = gst_video_format_get_row_stride (format, 0, width);
|
||||
|
||||
for (y = 0; y < height; y++) {
|
||||
guint8 *yptr;
|
||||
|
|
@ -216,13 +212,15 @@ gst_video_balance_planar411_ip (GstVideoBalance * videobalance, guint8 * data,
|
|||
}
|
||||
}
|
||||
|
||||
width2 = width >> 1;
|
||||
height2 = height >> 1;
|
||||
width2 = gst_video_format_get_component_width (format, 1, width);
|
||||
height2 = gst_video_format_get_component_height (format, 1, height);
|
||||
|
||||
udata = data + GST_VIDEO_I420_U_OFFSET (width, height);
|
||||
vdata = data + GST_VIDEO_I420_V_OFFSET (width, height);
|
||||
ustride = GST_VIDEO_I420_U_ROWSTRIDE (width);
|
||||
vstride = GST_VIDEO_I420_V_ROWSTRIDE (width);
|
||||
udata =
|
||||
data + gst_video_format_get_component_offset (format, 1, width, height);
|
||||
vdata =
|
||||
data + gst_video_format_get_component_offset (format, 2, width, height);
|
||||
ustride = gst_video_format_get_row_stride (format, 1, width);
|
||||
vstride = gst_video_format_get_row_stride (format, 1, width);
|
||||
|
||||
for (y = 0; y < height2; y++) {
|
||||
guint8 *uptr, *vptr;
|
||||
|
|
@ -247,24 +245,34 @@ gst_video_balance_set_caps (GstBaseTransform * base, GstCaps * incaps,
|
|||
GstCaps * outcaps)
|
||||
{
|
||||
GstVideoBalance *videobalance = GST_VIDEO_BALANCE (base);
|
||||
GstStructure *structure;
|
||||
gboolean res;
|
||||
|
||||
GST_DEBUG_OBJECT (videobalance,
|
||||
"in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps);
|
||||
|
||||
structure = gst_caps_get_structure (incaps, 0);
|
||||
videobalance->process = NULL;
|
||||
|
||||
res = gst_structure_get_int (structure, "width", &videobalance->width);
|
||||
res &= gst_structure_get_int (structure, "height", &videobalance->height);
|
||||
if (!res)
|
||||
goto done;
|
||||
if (!gst_video_format_parse_caps (incaps, &videobalance->format,
|
||||
&videobalance->width, &videobalance->height))
|
||||
goto invalid_caps;
|
||||
|
||||
videobalance->size =
|
||||
GST_VIDEO_I420_SIZE (videobalance->width, videobalance->height);
|
||||
gst_video_format_get_size (videobalance->format, videobalance->width,
|
||||
videobalance->height);
|
||||
|
||||
done:
|
||||
return res;
|
||||
switch (videobalance->format) {
|
||||
case GST_VIDEO_FORMAT_I420:
|
||||
case GST_VIDEO_FORMAT_YV12:
|
||||
videobalance->process = gst_video_balance_planar_yuv;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return videobalance->process != NULL;
|
||||
|
||||
invalid_caps:
|
||||
GST_ERROR_OBJECT (videobalance, "Invalid caps: %" GST_PTR_FORMAT, incaps);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -291,6 +299,9 @@ gst_video_balance_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
|
|||
guint8 *data;
|
||||
guint size;
|
||||
|
||||
if (!videobalance->process)
|
||||
goto not_negotiated;
|
||||
|
||||
/* if no change is needed, we are done */
|
||||
if (base->passthrough)
|
||||
goto done;
|
||||
|
|
@ -298,11 +309,10 @@ gst_video_balance_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
|
|||
data = GST_BUFFER_DATA (outbuf);
|
||||
size = GST_BUFFER_SIZE (outbuf);
|
||||
|
||||
if (size < videobalance->size)
|
||||
if (size != videobalance->size)
|
||||
goto wrong_size;
|
||||
|
||||
gst_video_balance_planar411_ip (videobalance, data,
|
||||
videobalance->width, videobalance->height);
|
||||
videobalance->process (videobalance, data);
|
||||
|
||||
done:
|
||||
return GST_FLOW_OK;
|
||||
|
|
@ -315,6 +325,9 @@ wrong_size:
|
|||
videobalance->size));
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
not_negotiated:
|
||||
GST_ERROR_OBJECT (videobalance, "Not negotiated yet");
|
||||
return GST_FLOW_NOT_NEGOTIATED;
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
|
|||
|
|
@ -21,6 +21,8 @@
|
|||
#ifndef __GST_VIDEO_BALANCE_H__
|
||||
#define __GST_VIDEO_BALANCE_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/video/video.h>
|
||||
#include <gst/video/gstvideofilter.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
|
@ -47,6 +49,8 @@ typedef struct _GstVideoBalanceClass GstVideoBalanceClass;
|
|||
struct _GstVideoBalance {
|
||||
GstVideoFilter videofilter;
|
||||
|
||||
/* < private > */
|
||||
|
||||
/* channels for interface */
|
||||
GList *channels;
|
||||
|
||||
|
|
@ -57,12 +61,15 @@ struct _GstVideoBalance {
|
|||
gdouble saturation;
|
||||
|
||||
/* format */
|
||||
GstVideoFormat format;
|
||||
gint width;
|
||||
gint height;
|
||||
gint size;
|
||||
|
||||
/* tables */
|
||||
guint8 *tabley, **tableu, **tablev;
|
||||
|
||||
void (*process) (GstVideoBalance *balance, guint8 *data);
|
||||
};
|
||||
|
||||
struct _GstVideoBalanceClass {
|
||||
|
|
|
|||
Loading…
Reference in a new issue