diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/vd.cpp')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/vd.cpp | 933 |
1 files changed, 0 insertions, 933 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/vd.cpp b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/vd.cpp deleted file mode 100644 index 4ae1860f12f..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/vd.cpp +++ /dev/null @@ -1,933 +0,0 @@ -/* $Id$ */ - -/* Copyright (c) 1995 Oregon Graduate Institute of Science and Technology - * P.O.Box 91000-1000, Portland, OR 97291, USA; - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of O.G.I. not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. O.G.I. makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * O.G.I. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * O.G.I. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY - * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Shanwei Cen - * Department of Computer Science and Engineering - * email: scen@cse.ogi.edu - */ - -#include <stdio.h> -#include <errno.h> -#include <signal.h> -#include <unistd.h> -#include <stdlib.h> -/* -#include <sys/types.h> -#include <sys/socket.h> -*/ -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <X11/Intrinsic.h> -#include "include/common.h" -#include "newproto.h" -#include "global.h" -#include "dither.h" -#include "video.h" -#include "proto.h" - -ACE_RCSID(mpeg_client, vd, "$Id$") - -#define MAX_VDBLOCK_NUM 8 -#define CQUEUE_SIZE MAX_VDBLOCK_NUM + 2 -#define ESTACK 0 -#define CQUEUE 1 - -static int win_width, win_height; -static int ecountid, ccountid; -static int sid; - -extern VidStream * curVidStream; - -static struct shared_mem_block -{ - int size; - int block_num; - int width, height; - int sptr, qhead, qtail; - FrameBlock *estack[MAX_VDBLOCK_NUM]; - FrameBlock *cqueue[CQUEUE_SIZE]; /* cqueue will never get full */ -} * shm = NULL; - -static void InitDitherEnv(void); -static void DitherFrame(PictImage * pict, FrameBlock * frame); -static void DoDitherImage(unsigned char *l, unsigned char *Cr, unsigned char *Cb, - unsigned char *disp, int h, int w); - -void VDinitBuf(int size) -/* size in bytes */ -{ - shm = (struct shared_mem_block *)creat_shared_mem_id(size, &shared->VDbufId); - shared->VDbufAddr = (char *)shm; - - shm->width = shm->height = 0; - shm->size = size - sizeof(*shm); - sid = creat_semaphore(); - ecountid = creat_semaphore(); - ccountid = creat_semaphore(); - enter_cs(ccountid); - enter_cs(ecountid); -} - -static void put_block(FrameBlock * bptr, int tag) -{ - if (tag == ESTACK) - { - shm->estack[shm->sptr] = bptr; - shm->sptr ++; - if (shm->sptr > MAX_VDBLOCK_NUM) - { - fprintf(stderr, "VD weird error: ESTACK full.\n"); - exit(1); - } - } - else - { - if (shm->qtail == shm->qhead) /* empty queue */ - { - shm->qtail = 0; - shm->qhead = 1; - shm->cqueue[0] = bptr; - } - else - { - int val = CQUEUE_SIZE; - int pos = (shm->qhead - 1 + val) % val; /* pos = shm->qhead - 1 */ - if (shared->cmd == CmdPLAY) - while ((pos + 1) % val != shm->qtail) - { - if (shm->cqueue[pos]->display > bptr->display) - { - shm->cqueue[(pos + 1) % val] = shm->cqueue[pos]; - pos = (pos - 1 + val) % val; /* pos -= 1 */ - } - else - break; - } - shm->cqueue[(pos + 1) % val] = bptr; - shm->qhead = (shm->qhead + 1) % val; - } - } -} - -static FrameBlock * get_block(int tag) -{ - FrameBlock * ptr; - - if (tag == ESTACK) - { - if (shm->sptr <= 0) - { - fprintf(stderr, "VD get_block error: ESTACK empty.\n"); - return NULL; - } - shm->sptr --; - ptr = shm->estack[shm->sptr]; - } - else - { - if (shm->qtail == shm->qhead) - { - fprintf(stderr, "VD get_block error: CQUEUE empty.\n"); - return NULL; - } - ptr = shm->cqueue[shm->qtail]; - shm->qtail = (shm->qtail + 1) % (CQUEUE_SIZE); - } - return ptr; -} - -void VDresizeBuf(int height, int width) -{ - char * ptr = (char*)shm + sizeof(*shm); - int imagesize; - int i; - - enter_cs(sid); - - if (get_semval(ecountid) < 0) { - fprintf(stderr, "Error<weird>: pid %d get (ecountid) = %d < 0\n", - getpid(), get_semval(ecountid)); - exit(1); - } - /* - fprintf(stderr, "VD before resizeBuf(): get_semval(ecountid) = %d\n", - get_semval(ecountid)); - */ - while (get_semval(ecountid) > 0) enter_cs(ecountid); - - shm->width = width; - shm->height = height; - width = ((width+15)>>4) << 4; - height = ((height+15)>>4) << 4; - imagesize = (((height * width)+3)>>2)<<2; - if ((ditherType == Twox2_DITHER) || (ditherType == FULL_COLOR_DITHER)) - imagesize <<= 2; - - shm->block_num = (shm->size)/(sizeof(FrameBlock) + imagesize); - if (shm->block_num > MAX_VDBLOCK_NUM) - shm->block_num = MAX_VDBLOCK_NUM; - - Fprintf(stderr, "VD resizeBuf: got %d(max %d) blocks of size %d.\n", - shm->block_num, - (shm->size)/(sizeof(FrameBlock) + imagesize), - (sizeof(FrameBlock) + imagesize)); - - if (shm->block_num < 3) - { - fprintf(stderr, - "VD error: VDbuf fails to hold at least 3(three) block.\n"); - exit(1); - } - shm->sptr = 0; /* empty stack */ - shm->qhead = shm->qtail = 0; /* empty cqueue */ - for (i=0; i<shm->block_num; i++) - { - put_block((FrameBlock *)ptr, ESTACK); - ((FrameBlock *)ptr)->data = (unsigned char *)(ptr + sizeof(FrameBlock)); - ptr += sizeof(FrameBlock) + imagesize; - leave_cs(ecountid); - } - leave_cs(sid); - - shared->VDframeNumber = shm->block_num; - /* - fprintf(stderr, "VD after resizeBuf(): get_semval(ecountid) = %d\n", - get_semval(ecountid)); - */ -} - -FrameBlock * VDgetBuf(void) /* block version, return with interrupt */ -{ - FrameBlock * ptr; - enter_cs(ecountid); - enter_cs(sid); - ptr = get_block(ESTACK); - if (ptr != NULL) - ptr->refcount = 1; - leave_cs(sid); - if (ptr == NULL) - fprintf(stderr, "VD error: VDgetBuf should not return NULL.\n"); - /* - fprintf(stderr, "pid %d VDgetBuf() %u, ref %d, ecount %d\n", - getpid(), (unsigned)ptr, ptr->refcount, get_semval(ecountid)); - */ - return ptr; -} - -int VDcheckBuf(void) /* non-block check, return True/False */ -{ - if (get_semval(ecountid) > 0) - return 1; - else - return 0; -} - -void VDputMsg(FrameBlock * msgPtr) -{ - enter_cs(sid); - put_block(msgPtr, CQUEUE); - leave_cs(ccountid); - leave_cs(sid); - /* - fprintf(stderr, "pid %d VDputMsg() %u, ref %d, ccount %d\n", - getpid(), (unsigned)msgPtr, msgPtr->refcount, get_semval(ccountid)); - */ -} - -FrameBlock * VDgetMsg(void) /* block version, return with interrupt */ -{ - FrameBlock * ptr; - enter_cs(ccountid); - enter_cs(sid); - ptr = get_block(CQUEUE); - leave_cs(sid); - if (ptr == NULL) - fprintf(stderr, "VD error: VDgetMsg should not return NULL.\n"); - /* - fprintf(stderr, "pid %d VDgetMsg() %u, ref %d, ccount %d\n", - getpid(), (unsigned)ptr, ptr->refcount, get_semval(ccountid)); - */ - return ptr; -} - -int VDcheckMsg(void) /* non-block check, return Number of Msg in buffer */ -{ - return get_semval(ccountid); -} - -int VDbufEmpty(void) -{ - /* - Fprintf(stderr, "VD ecountid %d, shm-block_num %d\n", - get_semval(ecountid), shm->block_num); - */ - return (get_semval(ecountid) == shm->block_num); -} - -FrameBlock * VDpeekMsg(void) -{ - FrameBlock * ptr; - - enter_cs(sid); - - if (shm->qhead == shm->qtail) - ptr = NULL; - else - ptr = shm->cqueue[shm->qtail]; - leave_cs(sid); - /* - if (ptr != NULL) { - fprintf(stderr, "pid %d VDpeekMsg() = %u, ref=%d\n", - getpid(), (unsigned)ptr, ptr->refcount); - } - */ - return ptr; -} - -void VDreferMsg(FrameBlock * msgPtr) -{ - enter_cs(sid); - msgPtr->refcount ++; - leave_cs(sid); - /* - fprintf(stderr, "pid %d VDreferMsg() %u, ccount %d\n", - getpid(), (unsigned)msgPtr, get_semval(ccountid)); - */ -} - -void VDreclaimMsg(FrameBlock * msgPtr) -{ - int ref; - enter_cs(sid); - ref = msgPtr->refcount; - if (msgPtr->refcount <= 1) - { - put_block(msgPtr, ESTACK); - leave_cs(ecountid); - } - else - msgPtr->refcount --; - leave_cs(sid); - /* - fprintf(stderr, "pid %d VDreclaimMsg() %u, ref %d, ecount %d\n", - getpid(), (unsigned)msgPtr, ref, get_semval(ecountid)); - */ - if (ref <= 0) { - Fprintf(stderr, "pid %d VDreclaimMsg() %u WEIRD, :ref %d:, ecount %d\n", - getpid(), (unsigned)msgPtr, ref, get_semval(ecountid)); - } -} - -void VDdeleteBuf(void) -{ - remove_shared_mem((char*)shm); -} - -void VDdeleteSem(void) -{ - remove_semaphore(ecountid); - remove_semaphore(ccountid); - remove_semaphore(sid); -} - -int -get_more_data(unsigned int *buf_start, int max_length, - int *length_ptr, unsigned int **buf_ptr) -{ - fprintf(stderr, - "Fatel error: vd.c get_more_data() should not be called, bufLength = %d.!\n", - *length_ptr); - fprintf(stderr, " **** Please report this bug. ****\n"); - // exit(1); - return 0; -} - -static void printPacket(VideoPacket *p) -{ - fprintf(stderr, "VD: Packet(%x)=cmd-%d, cmdsn-%d sh-%d, gop-%d\n", - (int)p, p->cmd, p->cmdsn, p->sh, p->gop); - fprintf(stderr, " frame-%d, display-%d, future-%d, past-%d, bytes-%d\n", - p->frame, p->display, p->future, - p->past, p->dataBytes); -} - -static void usr1_handler(int sig) -{ - fprintf(stderr, "VD void usr1_handler.\n"); -} - -static void usr2_handler(int sig) -{ - fprintf(stderr, "VD void usr2_handler\n"); -} - -void VDprocess(int CTRpid) -{ - FrameBlock * curBlk = NULL; - PictImage * curPict = NULL; - - InitDitherEnv(); - - curVidStream = NewVidStream(); - if (curVidStream == NULL) - { - fprintf(stderr, "VD: unable to allocat curVidStream.\n"); - exit(1); - } - setsignal(SIGUSR1, usr1_handler); - setsignal(SIGUSR2, usr2_handler); - - for(;;) - { - int curcmd, curcmdsn; - int i; - int single_tag; - VideoPacket *p; - - if (curBlk != NULL) { - VDreclaimMsg(curBlk); - curBlk = NULL; - } - p = (VideoPacket*)VBgetMsg(); /* guarranteed to get a Packet */ - - //printPacket(p); - - - // fprintf(stderr, "VD: got frame %d\n", p->frame); - - curcmd = shared->cmd; - curcmdsn = shared->cmdsn; - if (p->cmdsn != shared->cmdsn || p->cmdsn != curcmdsn) - { - - /* - fprintf(stderr, "VD: frame not for current Cmd, discard it\n"); - - printPacket(p); - */ - VBreclaimMsg((char*)p); - continue; - } - if (curcmd == CmdINIT) - { - /* free/allocate all PictImages, resize VDbuffer */ - curVidStream->future = curVidStream->past = curVidStream->current = NULL; - win_width = ((shared->horizontalSize + 15)>>4)<<4; - win_height = ((shared->verticalSize + 15)>>4)<<4; - for (i = 0; i < RING_BUF_SIZE; i++) - { - if (curVidStream->ring[i] != NULL) - DestroyPictImage(curVidStream->ring[i]); - curVidStream->ring[i] = - NewPictImage(win_width, win_height); - } - for (i = 0; i < 500; i ++) { - if (!VDbufEmpty()) usleep(1000); - else break; - } - if (!VDbufEmpty()) { - fprintf(stderr, "VD error<weired>: VDbuf can't become empty.\n"); - exit(1); - } - VDresizeBuf(shared->verticalSize, shared->horizontalSize); - } - else if (curcmd == CmdPLAY || curcmd == CmdSTEP) - { - /* to check if the packet can be decoded or not */ - if (p->future == -1) - { /* swap because the existing VD decoding algorithm refer to 'future' frame - to decode a P frame */ - int tmp = p->past; - p->past = p->future; - /* following is the bug found on 2-14-96, this may be the cause of decoding - P frames incorrectly, and showing corrupted messages, when previous I/P - frames are dropped. This happens frequently when the server is a remote one. - - p->future = p->past; - - */ - p->future = tmp; - - } - if ((p->future >= 0 && - (curVidStream->future == NULL || curVidStream->future->frame != p->future)) || - (p->past >= 0 && - (curVidStream->past == NULL || curVidStream->past->frame != p->past))) - { - /* - fprintf(stderr, - "VD: unable to decode packet -- future and/or past frame no available.\n"); - printPacket(p); - */ - if (curcmd == CmdSTEP && curcmdsn == shared->cmdsn) { - /* - Fprintf(stderr, "VD failed to decode f%d, USR1 to CTR for STEP\n", p->frame); - */ - kill(getppid(), SIGUSR1); /* notify CTR anyway if STEP */ - } -#ifdef STAT - else if (shared->collectStat && curcmd == CmdPLAY) - shared->stat.VDnoRef ++; -#endif - VBreclaimMsg((char*)p); - continue; - } - } - curBlk = VDgetBuf(); - - single_tag = 0; - /* to check if it's in time for PLAY, FF and FB */ - if (curcmd == CmdPLAY) - { - -#if 0 - /* checking against sendPattern seems irreasonable, because send-pattern of a less - frame-rate is not necessarily a subset of the one of a bigger frame-rate. - */ - /* check against sendPattern */ - if (p->frame - shared->firstGopFrames > 0) - { - int i = (p->frame - shared->firstGopFrames) % - (shared->patternSize * shared->sendPatternGops); - if (shared->sendPattern[i] == 0) - { - VBreclaimMsg((char*)p); -#ifdef STAT - if (shared->collectStat) - shared->stat.VDagainstSendPattern ++; -#endif - continue; - } - } -#endif - - if (VBcheckMsg() > 0) { /* a frame is to be dropped only if - there are more frames in VB */ - if (p->past >= 0) { /* 'B' */ - if (p->display <= shared->nextFrame) { -#ifdef STAT - if (shared->collectStat) - shared->stat.VDtooLateB ++; -#endif - goto frameTooLate; - } - } - else if (p->future >= 0) { /* 'P' */ - if (shared->lastIframeDecoded + shared->IframeGap <= shared->nextFrame) { -#ifdef STAT - if (shared->collectStat) - shared->stat.VDtooLateP ++; -#endif - goto frameTooLate; - } - } - else { /* 'I' */ - if (!shared->live) - { - if (p->display + shared->IframeGap <= shared->nextFrame) { -#ifdef STAT - if (shared->collectStat) - shared->stat.VDtooLateI ++; -#endif - frameTooLate: - if (shared->rtplay) /* too late, drop the frame */ - { - VBreclaimMsg((char*)p); - /* - Fprintf(stderr, "VD: frame %d too late, shared->nextFrame %d.\n", - p->frame, shared->nextFrame); - */ - continue; - } - } - } - else { /* live video */ - if (p->display < shared->nextFrame) { - VBreclaimMsg((char*)p); - /* - Fprintf(stderr, "VD live video frame %d too late, nextFrame=%d\n", - p->frame, shared->nextFrame); - */ - continue; - } - } - } - } - } - else if (curcmd == CmdFF) - { - if (p->gop < shared->nextGroup && VDcheckMsg() > 0) - { - /* - fprintf(stderr, "VD: a frame too late and dropped when FF.\n"); - printPacket(p); - */ - VBreclaimMsg((char*)p); - continue; - } - } - else if (curcmd == CmdFB) - { - if (p->gop > shared->nextGroup && VDcheckMsg() > 0) - { - /* - fprintf(stderr, "VD: a frame too late and dropped when FB.\n"); - printPacket(p); - */ - VBreclaimMsg((char*)p); - continue; - } - } - else - single_tag = 1; - - if (shared->videoFormat == VIDEO_JPEG || shared->videoFormat == VIDEO_SIF) { - int picsize = win_width * win_height; - unsigned char * l, *cr, *cb; - - if (shared->videoFormat == VIDEO_SIF) { - l = (unsigned char*)p + sizeof(*p); - cr = l + picsize; - cb = l + picsize + (picsize >> 2); - } - else { /* decode the JPEG frame */ - l = cr = cb = (unsigned char *)curBlk->data; - memcpy(l, (unsigned char*)p + sizeof(*p), p->dataBytes); - } - DoDitherImage(l, cr, cb, - (unsigned char *)curBlk->data, win_height, win_width); - curBlk->sh = p->sh; - curBlk->gop = p->gop; - curBlk->frame = p->frame; - curBlk->display = p->display; - curBlk->future = p->future; - curBlk->past = p->past; - VDputMsg(curBlk); - curBlk = NULL; - /* - Fprintf(stderr, "VD: SIF frame %d decoded.\n", p->frame); - */ - goto end_decode_loop; - } -#ifdef NeedByteOrderConversion - else { - unsigned int * ptr = (unsigned int *)((char*)p + sizeof(*p)); - /* the added two extra words to max_buf_length: one is for SHCODE, already - in right byte order, the second is for prevent calling of get_more_data(). - (which seem required for the UCB decoder used here ), this second word - contains value used by VB algorithm, and can't be changed elsewhere. - So they should not be swapped byte order. */ - for (i=0; i<((p->dataBytes + 11)>>2) - 2; i++) - { - *ptr = ntohl(*ptr); - ptr++; - } - } -#endif - - if (!mpegVidRsrc((char*)p)) /* successfully decoded */ - { - curPict = curVidStream->current; - - // fprintf(stderr, "VD successfully decodes a frame.\n"); - // printPacket(p); - - if (curcmd == CmdPLAY && shared->rtplay) - { - if ((curVidStream->picture.code_type == I_TYPE) || - (curVidStream->picture.code_type == P_TYPE)) - { - if (curVidStream->future == NULL) - { - curVidStream->future = curVidStream->current; - curVidStream->future->locked |= FUTURE_LOCK; - } - else - { - if (curVidStream->past != NULL) - { - curVidStream->past->locked &= ~PAST_LOCK; - } - else if (curcmd == CmdPLAY) { - /* this case should happen only at the begining of PLAY */ - DitherFrame(curVidStream->future, VDgetBuf()); - } - curVidStream->past = curVidStream->future; - curVidStream->past->locked &= ~FUTURE_LOCK; - curVidStream->past->locked |= PAST_LOCK; - curVidStream->future = curVidStream->current; - curVidStream->future->locked |= FUTURE_LOCK; - } - } - } - else if (curcmd == CmdSTEP || curcmd == CmdPLAY) /* !shared->rtplay */ - { - if ((curVidStream->picture.code_type == I_TYPE) || - (curVidStream->picture.code_type == P_TYPE)) - { - if (curVidStream->future == NULL) - { - curVidStream->future = curVidStream->current; - curVidStream->future->locked |= FUTURE_LOCK; - } - else - { - if (curVidStream->past != NULL) - { - curVidStream->past->locked &= ~PAST_LOCK; - } - curVidStream->past = curVidStream->future; - curVidStream->past->locked &= ~FUTURE_LOCK; - curVidStream->past->locked |= PAST_LOCK; - curVidStream->future = curVidStream->current; - curVidStream->future->locked |= FUTURE_LOCK; - curPict = curVidStream->past; - } - } - } - else /* only I-frame for all other Cmds */ - { - if (curVidStream->future != NULL) { - curVidStream->future->locked &= ~FUTURE_LOCK; - curVidStream->future = NULL; - } - if (curVidStream->past != NULL) - { - curVidStream->past->locked &= ~PAST_LOCK; - curVidStream->past = NULL; - } - /* - curVidStream->future = curVidStream->current; - curVidStream->future->locked |= FUTURE_LOCK; - */ - } - - if (p->past == -1 && p->future == -1) - shared->lastIframeDecoded = p->frame; - -#ifdef STAT - if (shared->collectStat && p->cmd != CmdREF) - { - int val = curPict->frame; - shared->stat.VDframesDecoded[val>>3] |= 1 << (val % 8); - shared->stat.VDlastFrameDecoded = val; - } -#endif - /* - if (single_tag && p->cmd != CmdREF) - { - fprintf(stderr, "VD: display %d for single.\n", curPict->display); - } - */ - /* - Fprintf(stderr, "p->cmd %d, p->cmdsn %d, shared->cmdsn %d\n", - p->cmd, p->cmdsn, shared->cmdsn); - */ - if (p->cmd != CmdREF && curcmdsn == shared->cmdsn) { - DitherFrame(curPict, curBlk); - curBlk = NULL; - } - } - else /* decoding failed */ - { - /* - fprintf(stderr, "VD error -- tried but failed decoding the packet.\n"); - printPacket(p); - */ - } - - end_decode_loop: - - /* signal CTR for singlular operation: STEP, POSITION, INIT */ - if (single_tag && p->cmd != CmdREF && curcmdsn == shared->cmdsn) - { - /* - Fprintf(stderr, "VD decoded f%d, USR1 to CTR\n", p->frame); - */ - kill(getppid(), SIGUSR1); - } - VBreclaimMsg((char*)p); - } -} - - -static void InitDitherEnv(void) -{ - lum_values = (int *) malloc(LUM_RANGE*sizeof(int)); - cr_values = (int *) malloc(CR_RANGE*sizeof(int)); - cb_values = (int *) malloc(CB_RANGE*sizeof(int)); - init_tables(); - - while (!shared->pixelValid) { - usleep(10000); - } - memcpy(pixel, shared->pixel, 256); - - switch (ditherType) { - - case HYBRID_DITHER: - - InitColor(); - InitHybridDither(); - break; - - case HYBRID2_DITHER: - InitColor(); - InitHybridErrorDither(); - break; - - case FS4_DITHER: - InitColor(); - InitFS4Dither(); - break; - - case FS2_DITHER: - InitColor(); - InitFS2Dither(); - break; - - case FS2FAST_DITHER: - InitColor(); - InitFS2FastDither(); - break; - - case Twox2_DITHER: - InitColor(); - Init2x2Dither(); - PostInit2x2Dither(); - break; - - case GRAY_DITHER: - break; - - case FULL_COLOR_DITHER: - InitColorDither(); - break; - - case ORDERED_DITHER: - InitColor(); - InitOrderedDither(); - break; - - case MONO_DITHER: - case MONO_THRESHOLD: - break; - - case ORDERED2_DITHER: - InitColor(); - InitOrdered2Dither(); - break; - } -} - -/* - *-------------------------------------------------------------- - * - * DoDitherImage -- - * - * Called when image needs to be dithered. Selects correct - * dither routine based on info in ditherType. - * - * Results: - * None. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ - -static void DoDitherImage(unsigned char *l, unsigned char *Cr, unsigned char *Cb, - unsigned char *disp, int h, int w) -{ - - switch(ditherType) { - case HYBRID_DITHER: - HybridDitherImage(l, Cr, Cb, disp, h, w); - break; - - case HYBRID2_DITHER: - HybridErrorDitherImage(l, Cr, Cb, disp, h, w); - break; - - case FS2FAST_DITHER: - FS2FastDitherImage(l, Cr, Cb, disp, h, w); - break; - - case FS2_DITHER: - FS2DitherImage(l, Cr, Cb, disp, h, w); - break; - - case FS4_DITHER: - FS4DitherImage(l, Cr, Cb, disp, h, w); - break; - - case Twox2_DITHER: - Twox2DitherImage(l, Cr, Cb, disp, h, w); - break; - - case FULL_COLOR_DITHER: - ColorDitherImage(l, Cr, Cb, disp, h, w); - break; - - case GRAY_DITHER: - GrayDitherImage(l, Cr, Cb, disp, h, w); - break; - - case NO_DITHER: - break; - - case ORDERED_DITHER: - OrderedDitherImage(l, Cr, Cb, disp, h, w); - break; - - case MONO_DITHER: - MonoDitherImage(l, Cr, Cb, disp, h, w); - break; - - case MONO_THRESHOLD: - MonoThresholdImage(l, Cr, Cb, disp, h, w); - break; - - case ORDERED2_DITHER: - Ordered2DitherImage(l, Cr, Cb, disp, h, w); - break; - - case MBORDERED_DITHER: - MBOrderedDitherImage(l, Cr, Cb, disp, h, w); - break; - } -} - -static void DitherFrame(PictImage * pict, FrameBlock *frame) -{ - DoDitherImage((unsigned char *)pict->luminance, - (unsigned char *)pict->Cr, (unsigned char *)pict->Cb, - (unsigned char *)frame->data, win_height, win_width); - frame->sh = pict->sh; - frame->gop = pict->gop; - frame->frame = pict->frame; - frame->display = pict->display; - frame->future = pict->future; - frame->past = pict->past; - VDputMsg(frame); -} |