mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 21:51:09 +00:00
da076cc719
Original commit message from CVS: * ext/tarkin/wavelet.c: * ext/tarkin/wavelet.h: * gst/mpegaudioparse/gstmpegaudioparse.c: * gst/vbidec/vbidata.c: * gst/vbidec/vbiscreen.h: * sys/dxr3/ac3_padder.c: * sys/dxr3/dxr3audiosink.c: * sys/dxr3/dxr3spusink.c: * sys/dxr3/dxr3videosink.c: * sys/qcam/dark.c: Don't use gtk-doc markers for normal comments. Fix gtk-doc formatting where required.
124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "mem.h"
|
|
#include "wavelet.h"
|
|
|
|
/*
|
|
* (The transform code is in wavelet_xform.c)
|
|
*/
|
|
|
|
|
|
#define MAX(a,b) ((a) > (b) ? (a) : (b))
|
|
#define MAX3(a,b,c) (MAX(a,MAX(b,c)))
|
|
|
|
|
|
|
|
Wavelet3DBuf *
|
|
wavelet_3d_buf_new (uint32_t width, uint32_t height, uint32_t frames)
|
|
{
|
|
Wavelet3DBuf *buf = (Wavelet3DBuf *) MALLOC (sizeof (Wavelet3DBuf));
|
|
uint32_t _w = width;
|
|
uint32_t _h = height;
|
|
uint32_t _f = frames;
|
|
int level;
|
|
|
|
if (!buf)
|
|
return NULL;
|
|
|
|
buf->data = (TYPE *) MALLOC (width * height * frames * sizeof (TYPE));
|
|
|
|
if (!buf->data) {
|
|
wavelet_3d_buf_destroy (buf);
|
|
return NULL;
|
|
}
|
|
|
|
buf->width = width;
|
|
buf->height = height;
|
|
buf->frames = frames;
|
|
buf->scales = 1;
|
|
|
|
while (_w > 1 || _h > 1 || _f > 1) {
|
|
buf->scales++;
|
|
_w = (_w + 1) / 2;
|
|
_h = (_h + 1) / 2;
|
|
_f = (_f + 1) / 2;
|
|
}
|
|
|
|
buf->w = (uint32_t *) MALLOC (buf->scales * sizeof (uint32_t));
|
|
buf->h = (uint32_t *) MALLOC (buf->scales * sizeof (uint32_t));
|
|
buf->f = (uint32_t *) MALLOC (buf->scales * sizeof (uint32_t));
|
|
buf->offset = (uint32_t (*)[8]) MALLOC (8 * buf->scales * sizeof (uint32_t));
|
|
|
|
buf->scratchbuf =
|
|
(TYPE *) MALLOC (MAX3 (width, height, frames) * sizeof (TYPE));
|
|
|
|
if (!buf->w || !buf->h || !buf->f || !buf->offset || !buf->scratchbuf) {
|
|
wavelet_3d_buf_destroy (buf);
|
|
return NULL;
|
|
}
|
|
|
|
buf->w[buf->scales - 1] = width;
|
|
buf->h[buf->scales - 1] = height;
|
|
buf->f[buf->scales - 1] = frames;
|
|
|
|
for (level = buf->scales - 2; level >= 0; level--) {
|
|
buf->w[level] = (buf->w[level + 1] + 1) / 2;
|
|
buf->h[level] = (buf->h[level + 1] + 1) / 2;
|
|
buf->f[level] = (buf->f[level + 1] + 1) / 2;
|
|
buf->offset[level][0] = 0;
|
|
buf->offset[level][1] = buf->w[level];
|
|
buf->offset[level][2] = buf->h[level] * width;
|
|
buf->offset[level][3] = buf->f[level] * width * height;
|
|
buf->offset[level][4] = buf->offset[level][2] + buf->w[level];
|
|
buf->offset[level][5] = buf->offset[level][3] + buf->w[level];
|
|
buf->offset[level][6] = buf->offset[level][3] + buf->offset[level][2];
|
|
buf->offset[level][7] = buf->offset[level][6] + buf->w[level];
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
|
|
void
|
|
wavelet_3d_buf_destroy (Wavelet3DBuf * buf)
|
|
{
|
|
if (buf) {
|
|
if (buf->data)
|
|
FREE (buf->data);
|
|
if (buf->w)
|
|
FREE (buf->w);
|
|
if (buf->h)
|
|
FREE (buf->h);
|
|
if (buf->f)
|
|
FREE (buf->f);
|
|
if (buf->offset)
|
|
FREE (buf->offset);
|
|
if (buf->scratchbuf)
|
|
FREE (buf->scratchbuf);
|
|
FREE (buf);
|
|
}
|
|
}
|
|
|
|
|
|
#if defined(DBG_XFORM)
|
|
|
|
#include "pnm.h"
|
|
|
|
void
|
|
wavelet_3d_buf_dump (char *fmt,
|
|
uint32_t first_frame_in_buf,
|
|
uint32_t id, Wavelet3DBuf * buf, int16_t offset)
|
|
{
|
|
char fname[256];
|
|
uint32_t f;
|
|
|
|
for (f = 0; f < buf->frames; f++) {
|
|
snprintf (fname, 256, fmt, id, first_frame_in_buf + f);
|
|
|
|
write_pgm16 (fname, buf->data + f * buf->width * buf->height,
|
|
buf->width, buf->height, offset);
|
|
}
|
|
}
|
|
#endif
|