gstreamer/ext/cog/cogframe.c
2010-06-02 00:01:14 -07:00

989 lines
28 KiB
C

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <cog/cog.h>
#include <cog/cogframe.h>
#include <cog/cogvirtframe.h>
#include "gstcogorc.h"
#include <gst/gst.h>
#include <stdlib.h>
#include <string.h>
/**
* cog_frame_new:
*
* Creates a new CogFrame object. The created frame is uninitialized
* and has no data storage associated with it. The caller must fill
* in the required information.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new (void)
{
CogFrame *frame;
frame = g_malloc0 (sizeof (*frame));
frame->refcount = 1;
return frame;
}
/**
* cog_frame_new_and_alloc:
*
* Creates a new CogFrame object with the requested size and format.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_and_alloc (CogMemoryDomain * domain, CogFrameFormat format,
int width, int height)
{
return cog_frame_new_and_alloc_extended (domain, format, width, height, 0);
}
CogFrame *
cog_frame_new_and_alloc_extended (CogMemoryDomain * domain,
CogFrameFormat format, int width, int height, int extension)
{
CogFrame *frame = cog_frame_new ();
int bytes_pp;
int h_shift, v_shift;
int chroma_width;
int chroma_height;
int ext_width;
int ext_height;
g_return_val_if_fail (width > 0, NULL);
g_return_val_if_fail (height > 0, NULL);
frame->format = format;
frame->width = width;
frame->height = height;
frame->domain = domain;
frame->extension = extension;
ext_width = width + extension * 2;
ext_height = height + extension * 2;
if (COG_FRAME_IS_PACKED (format)) {
g_return_val_if_fail (extension == 0, NULL);
frame->components[0].format = format;
frame->components[0].width = width;
frame->components[0].height = height;
if (format == COG_FRAME_FORMAT_AYUV) {
frame->components[0].stride = width * 4;
} else {
frame->components[0].stride = ROUND_UP_POW2 (width, 1) * 2;
}
frame->components[0].length = frame->components[0].stride * height;
frame->regions[0] = g_malloc (frame->components[0].length);
frame->components[0].data = frame->regions[0];
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
switch (COG_FRAME_FORMAT_DEPTH (format)) {
case COG_FRAME_FORMAT_DEPTH_U8:
bytes_pp = 1;
break;
case COG_FRAME_FORMAT_DEPTH_S16:
bytes_pp = 2;
break;
case COG_FRAME_FORMAT_DEPTH_S32:
bytes_pp = 4;
break;
default:
g_return_val_if_reached (NULL);
bytes_pp = 0;
break;
}
h_shift = COG_FRAME_FORMAT_H_SHIFT (format);
v_shift = COG_FRAME_FORMAT_V_SHIFT (format);
chroma_width = ROUND_UP_SHIFT (width, h_shift);
chroma_height = ROUND_UP_SHIFT (height, v_shift);
frame->components[0].format = format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_4 ((width + extension * 2) * bytes_pp);
frame->components[0].length =
frame->components[0].stride * (frame->components[0].height +
extension * 2);
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
frame->components[1].format = format;
frame->components[1].width = chroma_width;
frame->components[1].height = chroma_height;
frame->components[1].stride =
ROUND_UP_4 ((chroma_width + extension * 2) * bytes_pp);
frame->components[1].length =
frame->components[1].stride * (frame->components[1].height +
extension * 2);
frame->components[1].v_shift = v_shift;
frame->components[1].h_shift = h_shift;
frame->components[2].format = format;
frame->components[2].width = chroma_width;
frame->components[2].height = chroma_height;
frame->components[2].stride =
ROUND_UP_4 ((chroma_width + extension * 2) * bytes_pp);
frame->components[2].length =
frame->components[2].stride * (frame->components[2].height +
extension * 2);
frame->components[2].v_shift = v_shift;
frame->components[2].h_shift = h_shift;
frame->regions[0] = malloc (frame->components[0].length +
frame->components[1].length + frame->components[2].length);
frame->components[0].data = COG_OFFSET (frame->regions[0],
frame->components[0].stride * extension + bytes_pp * extension);
frame->components[1].data = COG_OFFSET (frame->regions[0],
frame->components[0].length +
frame->components[1].stride * extension + bytes_pp * extension);
frame->components[2].data = COG_OFFSET (frame->regions[0],
frame->components[0].length + frame->components[1].length +
frame->components[2].stride * extension + bytes_pp * extension);
return frame;
}
/**
* cog_frame_new_from_data_YUY2:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in YUY2 format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_YUY2 (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_YUYV;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_POW2 (width, 1) * 2;
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
/**
* cog_frame_new_from_data_YUY2:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in UYVY format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_UYVY (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_UYVY;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_POW2 (width, 1) * 2;
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
/**
* cog_frame_new_from_data_YUY2:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in UYVY format,
* although the row stride is allowed to be different than what
* would normally be calculated from @width.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_UYVY_full (void *data, int width, int height,
int stride)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_UYVY;
frame->width = width;
frame->height = height;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = stride;
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
/**
* cog_frame_new_from_data_AYUV:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in AYUV format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_AYUV (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_AYUV;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = width * 4;
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
/**
* cog_frame_new_from_data_v216:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in v216 format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_v216 (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_v216;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_POW2 (width, 1) * 4;
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
/**
* cog_frame_new_from_data_v210:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in v210 format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_v210 (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_v210;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ((width + 47) / 48) * 128;
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
/**
* cog_frame_new_from_data_I420:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in I420 format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_I420 (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_U8_420;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_POW2 (width, 2);
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride *
ROUND_UP_POW2 (frame->components[0].height, 1);
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
frame->components[1].format = frame->format;
frame->components[1].width = ROUND_UP_SHIFT (width, 1);
frame->components[1].height = ROUND_UP_SHIFT (height, 1);
frame->components[1].stride = ROUND_UP_POW2 (frame->components[1].width, 2);
frame->components[1].length =
frame->components[1].stride * frame->components[1].height;
frame->components[1].data =
COG_OFFSET (frame->components[0].data, frame->components[0].length);
frame->components[1].v_shift = 1;
frame->components[1].h_shift = 1;
frame->components[2].format = frame->format;
frame->components[2].width = ROUND_UP_SHIFT (width, 1);
frame->components[2].height = ROUND_UP_SHIFT (height, 1);
frame->components[2].stride = ROUND_UP_POW2 (frame->components[2].width, 2);
frame->components[2].length =
frame->components[2].stride * frame->components[2].height;
frame->components[2].data =
COG_OFFSET (frame->components[1].data, frame->components[1].length);
frame->components[2].v_shift = 1;
frame->components[2].h_shift = 1;
return frame;
}
/**
* cog_frame_new_from_data_YV12:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in YV12 format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_YV12 (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_U8_420;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_POW2 (width, 2);
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride *
ROUND_UP_POW2 (frame->components[0].height, 1);
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
frame->components[2].format = frame->format;
frame->components[2].width = ROUND_UP_SHIFT (width, 1);
frame->components[2].height = ROUND_UP_SHIFT (height, 1);
frame->components[2].stride = ROUND_UP_POW2 (frame->components[2].width, 2);
frame->components[2].length =
frame->components[2].stride * frame->components[2].height;
frame->components[2].data =
COG_OFFSET (frame->components[0].data, frame->components[0].length);
frame->components[2].v_shift = 1;
frame->components[2].h_shift = 1;
frame->components[1].format = frame->format;
frame->components[1].width = ROUND_UP_SHIFT (width, 1);
frame->components[1].height = ROUND_UP_SHIFT (height, 1);
frame->components[1].stride = ROUND_UP_POW2 (frame->components[1].width, 2);
frame->components[1].length =
frame->components[1].stride * frame->components[1].height;
frame->components[1].data =
COG_OFFSET (frame->components[2].data, frame->components[2].length);
frame->components[1].v_shift = 1;
frame->components[1].h_shift = 1;
return frame;
}
/**
* cog_frame_new_from_data_Y42B:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in Y42B format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_Y42B (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_U8_422;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_POW2 (width, 2);
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride *
ROUND_UP_POW2 (frame->components[0].height, 1);
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
frame->components[1].format = frame->format;
frame->components[1].width = ROUND_UP_SHIFT (width, 1);
frame->components[1].height = height;
frame->components[1].stride = ROUND_UP_POW2 (frame->components[1].width, 2);
frame->components[1].length =
frame->components[1].stride * frame->components[1].height;
frame->components[1].data =
COG_OFFSET (frame->components[0].data, frame->components[0].length);
frame->components[1].v_shift = 0;
frame->components[1].h_shift = 1;
frame->components[2].format = frame->format;
frame->components[2].width = ROUND_UP_SHIFT (width, 1);
frame->components[2].height = height;
frame->components[2].stride = ROUND_UP_POW2 (frame->components[2].width, 2);
frame->components[2].length =
frame->components[2].stride * frame->components[2].height;
frame->components[2].data =
COG_OFFSET (frame->components[1].data, frame->components[1].length);
frame->components[2].v_shift = 0;
frame->components[2].h_shift = 1;
return frame;
}
/**
* cog_frame_new_from_data_Y444:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in Y444 format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_Y444 (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_U8_444;
frame->width = width;
frame->height = height;
frame->components[0].format = frame->format;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_POW2 (width, 4);
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride *
ROUND_UP_POW2 (frame->components[0].height, 1);
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
frame->components[1].format = frame->format;
frame->components[1].width = width;
frame->components[1].height = height;
frame->components[1].stride = ROUND_UP_POW2 (width, 4);
frame->components[1].length =
frame->components[1].stride * frame->components[1].height;
frame->components[1].data =
COG_OFFSET (frame->components[0].data, frame->components[0].length);
frame->components[1].v_shift = 0;
frame->components[1].h_shift = 0;
frame->components[2].format = frame->format;
frame->components[2].width = width;
frame->components[2].height = height;
frame->components[2].stride = ROUND_UP_POW2 (width, 4);
frame->components[2].length =
frame->components[2].stride * frame->components[2].height;
frame->components[2].data =
COG_OFFSET (frame->components[1].data, frame->components[1].length);
frame->components[2].v_shift = 0;
frame->components[2].h_shift = 0;
return frame;
}
/**
* cog_frame_new_from_data_RGB:
*
* Creates a new CogFrame object with the requested size using
* the data pointed to by @data. The data must be in RGB format.
* The data must remain for the lifetime of the CogFrame object.
* It is recommended to use cog_frame_set_free_callback() for
* notification when the data is no longer needed.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_new_from_data_RGB (void *data, int width, int height)
{
CogFrame *frame = cog_frame_new ();
frame->format = COG_FRAME_FORMAT_RGB;
frame->width = width;
frame->height = height;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = ROUND_UP_4 (width * 3);
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
static CogFrame *
cog_frame_new_from_data_RGB32 (void *data, int width, int height, int format)
{
CogFrame *frame = cog_frame_new ();
frame->format = format;
frame->width = width;
frame->height = height;
frame->components[0].width = width;
frame->components[0].height = height;
frame->components[0].stride = width * 4;
frame->components[0].data = data;
frame->components[0].length = frame->components[0].stride * height;
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
return frame;
}
CogFrame *
cog_frame_new_from_data_RGBx (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_RGBx);
}
CogFrame *
cog_frame_new_from_data_xRGB (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_xRGB);
}
CogFrame *
cog_frame_new_from_data_BGRx (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_BGRx);
}
CogFrame *
cog_frame_new_from_data_xBGR (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_xBGR);
}
CogFrame *
cog_frame_new_from_data_RGBA (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_RGBA);
}
CogFrame *
cog_frame_new_from_data_ARGB (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_ARGB);
}
CogFrame *
cog_frame_new_from_data_BGRA (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_BGRA);
}
CogFrame *
cog_frame_new_from_data_ABGR (void *data, int width, int height)
{
return cog_frame_new_from_data_RGB32 (data, width, height,
COG_FRAME_FORMAT_ABGR);
}
/**
* cog_frame_dup:
*
* Creates a new CogFrame object with the same dimensions and format
* as @frame, and copies the data from the @frame to the new object.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_dup (CogFrame * frame)
{
return cog_frame_dup_extended (frame, 0);
}
CogFrame *
cog_frame_dup_extended (CogFrame * frame, int extension)
{
CogFrame *dup_frame;
dup_frame = cog_frame_new_and_alloc_extended (frame->domain,
frame->format, frame->width, frame->height, extension);
cog_frame_convert (dup_frame, frame);
return dup_frame;
}
/**
* cog_frame_clone:
*
* Creates a new CogFrame object with the same dimensions and format
* as @frame. This function leaves the data in the new object
* uninitialized.
*
* Returns: a new CogFrame object
*/
CogFrame *
cog_frame_clone (CogMemoryDomain * domain, CogFrame * frame)
{
return cog_frame_new_and_alloc (domain,
frame->format, frame->width, frame->height);
}
/**
* cog_frame_ref:
* @frame: a frame object
*
* Increases the reference count of @frame.
*
* Returns: the value of @frame
*/
CogFrame *
cog_frame_ref (CogFrame * frame)
{
frame->refcount++;
return frame;
}
/**
* cog_frame_unref:
* @frame: a frame object
*
* Decreases the reference count of @frame. If the new reference
* count is 0, the frame is freed. If a frame free callback was
* set, this function is called.
*
* Returns: the value of @frame
*/
void
cog_frame_unref (CogFrame * frame)
{
int i;
g_return_if_fail (frame->refcount > 0);
frame->refcount--;
if (frame->refcount == 0) {
if (frame->free) {
frame->free (frame, frame->priv);
}
#ifdef HAVE_OPENGL
if (COG_FRAME_IS_OPENGL (frame)) {
cog_opengl_frame_cleanup (frame);
}
#endif
for (i = 0; i < 3; i++) {
if (frame->regions[i]) {
g_free (frame->regions[i]);
}
}
if (frame->virt_frame1) {
cog_frame_unref (frame->virt_frame1);
}
if (frame->virt_frame2) {
cog_frame_unref (frame->virt_frame2);
}
if (frame->virt_priv) {
g_free (frame->virt_priv);
}
g_free (frame);
}
}
/**
* cog_frame_set_free_callback:
* @frame: a frame object
* @free_func: the function to call when the frame is freed
* @priv: callback key
*
* Sets a function that will be called when the object reference
* count drops to zero and the object is freed.
*/
void
cog_frame_set_free_callback (CogFrame * frame,
CogFrameFreeFunc free_func, void *priv)
{
frame->free = free_func;
frame->priv = priv;
}
/**
* cog_frame_convert:
* @dest: destination frame
* @src: source frame
*
* Copies data from the source frame to the destination frame, converting
* formats if necessary. Only a few conversions are supported.
*/
void
cog_frame_convert (CogFrame * dest, CogFrame * src)
{
CogFrame *frame;
CogFrameFormat dest_format;
g_return_if_fail (dest != NULL);
g_return_if_fail (src != NULL);
switch (dest->format) {
case COG_FRAME_FORMAT_YUYV:
case COG_FRAME_FORMAT_UYVY:
dest_format = COG_FRAME_FORMAT_U8_422;
break;
case COG_FRAME_FORMAT_AYUV:
case COG_FRAME_FORMAT_ARGB:
dest_format = COG_FRAME_FORMAT_U8_444;
break;
default:
dest_format = dest->format;
break;
}
cog_frame_ref (src);
frame = cog_virt_frame_new_unpack (src);
GST_DEBUG ("unpack %p", frame);
if (COG_FRAME_FORMAT_DEPTH (dest_format) !=
COG_FRAME_FORMAT_DEPTH (frame->format)) {
if (COG_FRAME_FORMAT_DEPTH (dest_format) == COG_FRAME_FORMAT_DEPTH_U8) {
frame = cog_virt_frame_new_convert_u8 (frame);
GST_DEBUG ("convert_u8 %p", frame);
} else if (COG_FRAME_FORMAT_DEPTH (dest_format) ==
COG_FRAME_FORMAT_DEPTH_S16) {
frame = cog_virt_frame_new_convert_s16 (frame);
GST_DEBUG ("convert_s16 %p", frame);
}
}
if ((dest_format & 3) != (frame->format & 3)) {
frame = cog_virt_frame_new_subsample (frame, dest_format,
COG_CHROMA_SITE_MPEG2, 2);
GST_DEBUG ("subsample %p", frame);
}
switch (dest->format) {
case COG_FRAME_FORMAT_YUYV:
frame = cog_virt_frame_new_pack_YUY2 (frame);
GST_DEBUG ("pack_YUY2 %p", frame);
break;
case COG_FRAME_FORMAT_UYVY:
frame = cog_virt_frame_new_pack_UYVY (frame);
GST_DEBUG ("pack_UYVY %p", frame);
break;
case COG_FRAME_FORMAT_AYUV:
frame = cog_virt_frame_new_pack_AYUV (frame);
GST_DEBUG ("pack_AYUV %p", frame);
break;
default:
break;
}
if (dest->width < frame->width || dest->height < frame->height) {
GST_DEBUG ("crop %d %d to %d %d",
frame->width, frame->height, dest->width, dest->height);
frame = cog_virt_frame_new_crop (frame, dest->width, dest->height);
GST_DEBUG ("crop %p", frame);
}
if (dest->width > src->width || dest->height > src->height) {
frame = cog_virt_frame_new_edgeextend (frame, dest->width, dest->height);
GST_DEBUG ("edgeextend %p", frame);
}
cog_virt_frame_render (frame, dest);
cog_frame_unref (frame);
}
#if 0
void
cog_frame_md5 (CogFrame * frame, uint32_t * state)
{
uint8_t *line;
int x, y, k;
state[0] = 0x67452301;
state[1] = 0xefcdab89;
state[2] = 0x98badcfe;
state[3] = 0x10325476;
x = 0;
y = 0;
k = 0;
for (k = 0; k < 3; k++) {
for (y = 0; y < frame->components[k].height; y++) {
line = COG_FRAME_DATA_GET_LINE (&frame->components[k], y);
for (x = 0; x + 63 < frame->components[k].width; x += 64) {
oil_md5 (state, (uint32_t *) (line + x));
}
if (x < frame->components[k].width) {
uint8_t tmp[64];
int left;
left = frame->components[k].width - x;
memcpy (tmp, line + x, left);
memset (tmp + left, 0, 64 - left);
oil_md5 (state, (uint32_t *) tmp);
}
}
}
GST_DEBUG
("md5 %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
state[0] & 0xff, (state[0] >> 8) & 0xff, (state[0] >> 16) & 0xff,
(state[0] >> 24) & 0xff, state[1] & 0xff, (state[1] >> 8) & 0xff,
(state[1] >> 16) & 0xff, (state[1] >> 24) & 0xff, state[2] & 0xff,
(state[2] >> 8) & 0xff, (state[2] >> 16) & 0xff, (state[2] >> 24) & 0xff,
state[3] & 0xff, (state[3] >> 8) & 0xff, (state[3] >> 16) & 0xff,
(state[3] >> 24) & 0xff);
}
#endif
void
cog_frame_split_fields (CogFrame * dest1, CogFrame * dest2, CogFrame * src)
{
CogFrame src_tmp;
g_return_if_fail ((src->height & 1) == 0);
memcpy (&src_tmp, src, sizeof (src_tmp));
src_tmp.height = src->height / 2;
src_tmp.components[0].stride *= 2;
src_tmp.components[1].stride *= 2;
src_tmp.components[2].stride *= 2;
cog_frame_convert (dest1, &src_tmp);
src_tmp.components[0].data = COG_FRAME_DATA_GET_LINE (&src->components[0], 1);
src_tmp.components[1].data = COG_FRAME_DATA_GET_LINE (&src->components[1], 1);
src_tmp.components[2].data = COG_FRAME_DATA_GET_LINE (&src->components[2], 1);
cog_frame_convert (dest2, &src_tmp);
}
void
cog_frame_get_subdata (CogFrame * frame, CogFrameData * fd,
int component, int x, int y)
{
CogFrameData *comp = frame->components + component;
g_return_if_fail (COG_FRAME_FORMAT_DEPTH (comp->format) ==
COG_FRAME_FORMAT_DEPTH_U8);
fd->format = comp->format;
fd->data = COG_FRAME_DATA_GET_PIXEL_U8 (comp, x, y);
fd->stride = comp->stride;
fd->width = MAX (0, comp->width - x);
fd->height = MAX (0, comp->height - y);
fd->h_shift = comp->h_shift;
fd->v_shift = comp->v_shift;
}