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easier image_interpolate() call, absolete comments removed
/***************************************************************************** * * XVID MPEG-4 VIDEO CODEC * - Encoder main module - * * Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> * 2002-2003 Peter Ross <pross@xvid.org> * 2002 Daniel Smith <danielsmith@astroboymail.com> * * This program is free software ; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation ; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY ; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program ; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * $Id: encoder.c,v 1.122 2005-12-17 12:04:52 syskin Exp $ * ****************************************************************************/ #include <stdlib.h> #include <stdio.h> #include <math.h> #include <string.h> #include "encoder.h" #include "prediction/mbprediction.h" #include "global.h" #include "utils/timer.h" #include "image/image.h" #include "image/font.h" #include "motion/sad.h" #include "motion/motion.h" #include "motion/gmc.h" #include "bitstream/cbp.h" #include "utils/mbfunctions.h" #include "bitstream/bitstream.h" #include "bitstream/mbcoding.h" #include "utils/emms.h" #include "bitstream/mbcoding.h" #include "quant/quant_matrix.h" #include "utils/mem_align.h" /***************************************************************************** * Local function prototypes ****************************************************************************/ static int FrameCodeI(Encoder * pEnc, Bitstream * bs); static int FrameCodeP(Encoder * pEnc, Bitstream * bs); static void FrameCodeB(Encoder * pEnc, FRAMEINFO * frame, Bitstream * bs); /***************************************************************************** * Encoder creation * * This function creates an Encoder instance, it allocates all necessary * image buffers (reference, current and bframes) and initialize the internal * xvid encoder paremeters according to the XVID_ENC_PARAM input parameter. * * The code seems to be very long but is very basic, mainly memory allocation * and cleaning code. * * Returned values : * - 0 - no errors * - XVID_ERR_MEMORY - the libc could not allocate memory, the function * cleans the structure before exiting. * pParam->handle is also set to NULL. * ****************************************************************************/ /* * Simplify the "fincr/fbase" fraction */ static int gcd(int a, int b) { int r ; if (b > a) { r = a; a = b; b = r; } while ((r = a % b)) { a = b; b = r; } return b; } static void simplify_time(int *inc, int *base) { /* common factor */ const int s = gcd(*inc, *base); *inc /= s; *base /= s; if (*base > 65535 || *inc > 65535) { int *biggest; int *other; float div; if (*base > *inc) { biggest = base; other = inc; } else { biggest = inc; other = base; } div = ((float)*biggest)/((float)65535); *biggest = (unsigned int)(((float)*biggest)/div); *other = (unsigned int)(((float)*other)/div); } } int enc_create(xvid_enc_create_t * create) { Encoder *pEnc; int n; if (XVID_VERSION_MAJOR(create->version) != 1) /* v1.x.x */ return XVID_ERR_VERSION; if (create->width%2 || create->height%2) return XVID_ERR_FAIL; if (create->width<=0 || create->height<=0) return XVID_ERR_FAIL; /* allocate encoder struct */ pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE); if (pEnc == NULL) return XVID_ERR_MEMORY; memset(pEnc, 0, sizeof(Encoder)); pEnc->mbParam.profile = create->profile; /* global flags */ pEnc->mbParam.global_flags = create->global; if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED)) pEnc->mbParam.global_flags |= XVID_GLOBAL_DIVX5_USERDATA; /* width, height */ pEnc->mbParam.width = create->width; pEnc->mbParam.height = create->height; pEnc->mbParam.mb_width = (pEnc->mbParam.width + 15) / 16; pEnc->mbParam.mb_height = (pEnc->mbParam.height + 15) / 16; pEnc->mbParam.edged_width = 16 * pEnc->mbParam.mb_width + 2 * EDGE_SIZE; pEnc->mbParam.edged_height = 16 * pEnc->mbParam.mb_height + 2 * EDGE_SIZE; /* framerate */ pEnc->mbParam.fincr = MAX(create->fincr, 0); pEnc->mbParam.fbase = create->fincr <= 0 ? 25 : create->fbase; if (pEnc->mbParam.fincr>0) simplify_time((int*)&pEnc->mbParam.fincr, (int*)&pEnc->mbParam.fbase); /* zones */ if(create->num_zones > 0) { pEnc->num_zones = create->num_zones; pEnc->zones = xvid_malloc(sizeof(xvid_enc_zone_t) * pEnc->num_zones, CACHE_LINE); if (pEnc->zones == NULL) goto xvid_err_memory0; memcpy(pEnc->zones, create->zones, sizeof(xvid_enc_zone_t) * pEnc->num_zones); } else { pEnc->num_zones = 0; pEnc->zones = NULL; } /* plugins */ if(create->num_plugins > 0) { pEnc->num_plugins = create->num_plugins; pEnc->plugins = xvid_malloc(sizeof(xvid_enc_plugin_t) * pEnc->num_plugins, CACHE_LINE); if (pEnc->plugins == NULL) goto xvid_err_memory0; } else { pEnc->num_plugins = 0; pEnc->plugins = NULL; } for (n=0; n<pEnc->num_plugins;n++) { xvid_plg_create_t pcreate; xvid_plg_info_t pinfo; memset(&pinfo, 0, sizeof(xvid_plg_info_t)); pinfo.version = XVID_VERSION; if (create->plugins[n].func(NULL, XVID_PLG_INFO, &pinfo, NULL) >= 0) { pEnc->mbParam.plugin_flags |= pinfo.flags; } memset(&pcreate, 0, sizeof(xvid_plg_create_t)); pcreate.version = XVID_VERSION; pcreate.num_zones = pEnc->num_zones; pcreate.zones = pEnc->zones; pcreate.width = pEnc->mbParam.width; pcreate.height = pEnc->mbParam.height; pcreate.mb_width = pEnc->mbParam.mb_width; pcreate.mb_height = pEnc->mbParam.mb_height; pcreate.fincr = pEnc->mbParam.fincr; pcreate.fbase = pEnc->mbParam.fbase; pcreate.param = create->plugins[n].param; pEnc->plugins[n].func = NULL; /* disable plugins that fail */ if (create->plugins[n].func(NULL, XVID_PLG_CREATE, &pcreate, &pEnc->plugins[n].param) >= 0) { pEnc->plugins[n].func = create->plugins[n].func; } } if ((pEnc->mbParam.global_flags & XVID_GLOBAL_EXTRASTATS_ENABLE) || (pEnc->mbParam.plugin_flags & XVID_REQPSNR)) { pEnc->mbParam.plugin_flags |= XVID_REQORIGINAL; /* psnr calculation requires the original */ } /* temp dquants */ if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) { pEnc->temp_dquants = (int *) xvid_malloc(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * sizeof(int), CACHE_LINE); if (pEnc->temp_dquants==NULL) goto xvid_err_memory1a; } /* temp lambdas */ if (pEnc->mbParam.plugin_flags & XVID_REQLAMBDA) { pEnc->temp_lambda = (float *) xvid_malloc(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * 6 * sizeof(float), CACHE_LINE); if (pEnc->temp_lambda == NULL) goto xvid_err_memory1a; } /* bframes */ pEnc->mbParam.max_bframes = MAX(create->max_bframes, 0); pEnc->mbParam.bquant_ratio = MAX(create->bquant_ratio, 0); pEnc->mbParam.bquant_offset = create->bquant_offset; /* min/max quant */ for (n=0; n<3; n++) { pEnc->mbParam.min_quant[n] = create->min_quant[n] > 0 ? create->min_quant[n] : 2; pEnc->mbParam.max_quant[n] = create->max_quant[n] > 0 ? create->max_quant[n] : 31; } /* frame drop ratio */ pEnc->mbParam.frame_drop_ratio = MAX(create->frame_drop_ratio, 0); /* max keyframe interval */ pEnc->mbParam.iMaxKeyInterval = create->max_key_interval <= 0 ? (10 * (int)pEnc->mbParam.fbase) / (int)pEnc->mbParam.fincr : create->max_key_interval; /* allocate working frame-image memory */ pEnc->current = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE); pEnc->reference = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE); if (pEnc->current == NULL || pEnc->reference == NULL) goto xvid_err_memory1; /* allocate macroblock memory */ pEnc->current->mbs = xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height, CACHE_LINE); pEnc->reference->mbs = xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height, CACHE_LINE); if (pEnc->current->mbs == NULL || pEnc->reference->mbs == NULL) goto xvid_err_memory2; /* allocate quant matrix memory */ pEnc->mbParam.mpeg_quant_matrices = xvid_malloc(sizeof(uint16_t) * 64 * 8, CACHE_LINE); if (pEnc->mbParam.mpeg_quant_matrices == NULL) goto xvid_err_memory2a; /* allocate interpolation image memory */ if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { image_null(&pEnc->sOriginal); image_null(&pEnc->sOriginal2); } image_null(&pEnc->f_refh); image_null(&pEnc->f_refv); image_null(&pEnc->f_refhv); image_null(&pEnc->current->image); image_null(&pEnc->reference->image); image_null(&pEnc->vInterH); image_null(&pEnc->vInterV); image_null(&pEnc->vInterHV); if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { if (image_create (&pEnc->sOriginal, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->sOriginal2, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; } if (image_create (&pEnc->f_refh, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->f_refv, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->f_refhv, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->reference->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; if (image_create (&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; /* Create full bitplane for GMC, this might be wasteful */ if (image_create (&pEnc->vGMC, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory3; /* init bframe image buffers */ pEnc->bframenum_head = 0; pEnc->bframenum_tail = 0; pEnc->flush_bframes = 0; pEnc->closed_bframenum = -1; /* B Frames specific init */ pEnc->bframes = NULL; if (pEnc->mbParam.max_bframes > 0) { pEnc->bframes = xvid_malloc(pEnc->mbParam.max_bframes * sizeof(FRAMEINFO *), CACHE_LINE); if (pEnc->bframes == NULL) goto xvid_err_memory3; for (n = 0; n < pEnc->mbParam.max_bframes; n++) pEnc->bframes[n] = NULL; for (n = 0; n < pEnc->mbParam.max_bframes; n++) { pEnc->bframes[n] = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE); if (pEnc->bframes[n] == NULL) goto xvid_err_memory4; pEnc->bframes[n]->mbs = xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height, CACHE_LINE); if (pEnc->bframes[n]->mbs == NULL) goto xvid_err_memory4; image_null(&pEnc->bframes[n]->image); if (image_create (&pEnc->bframes[n]->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory4; } } /* init incoming frame queue */ pEnc->queue_head = 0; pEnc->queue_tail = 0; pEnc->queue_size = 0; pEnc->queue = xvid_malloc((pEnc->mbParam.max_bframes+1) * sizeof(QUEUEINFO), CACHE_LINE); if (pEnc->queue == NULL) goto xvid_err_memory4; for (n = 0; n < pEnc->mbParam.max_bframes+1; n++) image_null(&pEnc->queue[n].image); for (n = 0; n < pEnc->mbParam.max_bframes+1; n++) { if (image_create (&pEnc->queue[n].image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) goto xvid_err_memory5; } /* timestamp stuff */ pEnc->mbParam.m_stamp = 0; pEnc->m_framenum = 0; pEnc->current->stamp = 0; pEnc->reference->stamp = 0; /* other stuff */ pEnc->iFrameNum = 0; pEnc->fMvPrevSigma = -1; create->handle = (void *) pEnc; init_timer(); init_mpeg_matrix(pEnc->mbParam.mpeg_quant_matrices); return 0; /* ok */ /* * We handle all XVID_ERR_MEMORY here, this makes the code lighter */ xvid_err_memory5: for (n = 0; n < pEnc->mbParam.max_bframes+1; n++) { image_destroy(&pEnc->queue[n].image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); } xvid_free(pEnc->queue); xvid_err_memory4: if (pEnc->mbParam.max_bframes > 0) { int i; for (i = 0; i < pEnc->mbParam.max_bframes; i++) { if (pEnc->bframes[i] == NULL) continue; image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); xvid_free(pEnc->bframes[i]->mbs); xvid_free(pEnc->bframes[i]); } xvid_free(pEnc->bframes); } xvid_err_memory3: if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->sOriginal2, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); } image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); /* destroy GMC image */ image_destroy(&pEnc->vGMC, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); xvid_err_memory2a: xvid_free(pEnc->mbParam.mpeg_quant_matrices); xvid_err_memory2: xvid_free(pEnc->current->mbs); xvid_free(pEnc->reference->mbs); xvid_err_memory1: xvid_free(pEnc->current); xvid_free(pEnc->reference); xvid_err_memory1a: if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) { xvid_free(pEnc->temp_dquants); } if(pEnc->mbParam.plugin_flags & XVID_REQLAMBDA) { xvid_free(pEnc->temp_lambda); } xvid_err_memory0: for (n=0; n<pEnc->num_plugins;n++) { if (pEnc->plugins[n].func) { pEnc->plugins[n].func(pEnc->plugins[n].param, XVID_PLG_DESTROY, NULL, NULL); } } xvid_free(pEnc->plugins); xvid_free(pEnc->zones); xvid_free(pEnc); create->handle = NULL; return XVID_ERR_MEMORY; } /***************************************************************************** * Encoder destruction * * This function destroy the entire encoder structure created by a previous * successful enc_create call. * * Returned values (for now only one returned value) : * - 0 - no errors * ****************************************************************************/ int enc_destroy(Encoder * pEnc) { int i; /* B Frames specific */ for (i = 0; i < pEnc->mbParam.max_bframes+1; i++) { image_destroy(&pEnc->queue[i].image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); } xvid_free(pEnc->queue); if (pEnc->mbParam.max_bframes > 0) { for (i = 0; i < pEnc->mbParam.max_bframes; i++) { if (pEnc->bframes[i] == NULL) continue; image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); xvid_free(pEnc->bframes[i]->mbs); xvid_free(pEnc->bframes[i]); } xvid_free(pEnc->bframes); } /* All images, reference, current etc ... */ image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->vGMC, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); image_destroy(&pEnc->sOriginal2, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); } /* Encoder structure */ xvid_free(pEnc->current->mbs); xvid_free(pEnc->current); xvid_free(pEnc->reference->mbs); xvid_free(pEnc->reference); if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) { xvid_free(pEnc->temp_dquants); } if (pEnc->num_plugins>0) { xvid_plg_destroy_t pdestroy; memset(&pdestroy, 0, sizeof(xvid_plg_destroy_t)); pdestroy.version = XVID_VERSION; pdestroy.num_frames = pEnc->m_framenum; for (i=0; i<pEnc->num_plugins;i++) { if (pEnc->plugins[i].func) { pEnc->plugins[i].func(pEnc->plugins[i].param, XVID_PLG_DESTROY, &pdestroy, NULL); } } xvid_free(pEnc->plugins); } xvid_free(pEnc->mbParam.mpeg_quant_matrices); if (pEnc->num_plugins>0) xvid_free(pEnc->zones); xvid_free(pEnc); return 0; /* ok */ } /* call the plugins */ static void call_plugins(Encoder * pEnc, FRAMEINFO * frame, IMAGE * original, int opt, int * type, int * quant, xvid_enc_stats_t * stats) { unsigned int i, j, k; xvid_plg_data_t data; /* set data struct */ memset(&data, 0, sizeof(xvid_plg_data_t)); data.version = XVID_VERSION; /* find zone */ for(i=0; i<pEnc->num_zones && pEnc->zones[i].frame<=frame->frame_num; i++) ; data.zone = i>0 ? &pEnc->zones[i-1] : NULL; data.width = pEnc->mbParam.width; data.height = pEnc->mbParam.height; data.mb_width = pEnc->mbParam.mb_width; data.mb_height = pEnc->mbParam.mb_height; data.fincr = frame->fincr; data.fbase = pEnc->mbParam.fbase; data.bquant_ratio = pEnc->mbParam.bquant_ratio; data.bquant_offset = pEnc->mbParam.bquant_offset; for (i=0; i<3; i++) { data.min_quant[i] = pEnc->mbParam.min_quant[i]; data.max_quant[i] = pEnc->mbParam.max_quant[i]; } data.reference.csp = XVID_CSP_PLANAR; data.reference.plane[0] = pEnc->reference->image.y; data.reference.plane[1] = pEnc->reference->image.u; data.reference.plane[2] = pEnc->reference->image.v; data.reference.stride[0] = pEnc->mbParam.edged_width; data.reference.stride[1] = pEnc->mbParam.edged_width/2; data.reference.stride[2] = pEnc->mbParam.edged_width/2; data.current.csp = XVID_CSP_PLANAR; data.current.plane[0] = frame->image.y; data.current.plane[1] = frame->image.u; data.current.plane[2] = frame->image.v; data.current.stride[0] = pEnc->mbParam.edged_width; data.current.stride[1] = pEnc->mbParam.edged_width/2; data.current.stride[2] = pEnc->mbParam.edged_width/2; data.frame_num = frame->frame_num; if (opt == XVID_PLG_BEFORE) { data.type = *type; data.quant = *quant; data.vol_flags = frame->vol_flags; data.vop_flags = frame->vop_flags; data.motion_flags = frame->motion_flags; } else if (opt == XVID_PLG_FRAME) { data.type = coding2type(frame->coding_type); data.quant = frame->quant; if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) { data.dquant = pEnc->temp_dquants; data.dquant_stride = pEnc->mbParam.mb_width; memset(data.dquant, 0, data.mb_width*data.mb_height); } if(pEnc->mbParam.plugin_flags & XVID_REQLAMBDA) { int block = 0; data.lambda = pEnc->temp_lambda; for(i = 0;i < pEnc->mbParam.mb_height; i++) for(j = 0;j < pEnc->mbParam.mb_width; j++) for (k = 0; k < 6; k++) data.lambda[block++] = 1.0f; } } else { /* XVID_PLG_AFTER */ if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { data.original.csp = XVID_CSP_PLANAR; data.original.plane[0] = original->y; data.original.plane[1] = original->u; data.original.plane[2] = original->v; data.original.stride[0] = pEnc->mbParam.edged_width; data.original.stride[1] = pEnc->mbParam.edged_width/2; data.original.stride[2] = pEnc->mbParam.edged_width/2; } if ((frame->vol_flags & XVID_VOL_EXTRASTATS) || (pEnc->mbParam.plugin_flags & XVID_REQPSNR)) { data.sse_y = plane_sse( original->y, frame->image.y, pEnc->mbParam.edged_width, pEnc->mbParam.width, pEnc->mbParam.height); data.sse_u = plane_sse( original->u, frame->image.u, pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2, pEnc->mbParam.height/2); data.sse_v = plane_sse( original->v, frame->image.v, pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2, pEnc->mbParam.height/2); } data.type = coding2type(frame->coding_type); data.quant = frame->quant; if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) { data.dquant = pEnc->temp_dquants; data.dquant_stride = pEnc->mbParam.mb_width; for (j=0; j<pEnc->mbParam.mb_height; j++) for (i=0; i<pEnc->mbParam.mb_width; i++) { data.dquant[j*data.dquant_stride + i] = frame->mbs[j*pEnc->mbParam.mb_width + i].dquant; } } data.vol_flags = frame->vol_flags; data.vop_flags = frame->vop_flags; data.motion_flags = frame->motion_flags; data.length = frame->length; data.kblks = frame->sStat.kblks; data.mblks = frame->sStat.mblks; data.ublks = frame->sStat.ublks; /* New code */ data.stats.type = coding2type(frame->coding_type); data.stats.quant = frame->quant; data.stats.vol_flags = frame->vol_flags; data.stats.vop_flags = frame->vop_flags; data.stats.length = frame->length; data.stats.hlength = frame->length - (frame->sStat.iTextBits / 8); data.stats.kblks = frame->sStat.kblks; data.stats.mblks = frame->sStat.mblks; data.stats.ublks = frame->sStat.ublks; data.stats.sse_y = data.sse_y; data.stats.sse_u = data.sse_u; data.stats.sse_v = data.sse_v; if (stats) *stats = data.stats; } /* call plugins */ for (i=0; i<(unsigned int)pEnc->num_plugins;i++) { emms(); if (pEnc->plugins[i].func) { if (pEnc->plugins[i].func(pEnc->plugins[i].param, opt, &data, NULL) < 0) { continue; } } } emms(); /* copy modified values back into frame*/ if (opt == XVID_PLG_BEFORE) { *type = data.type; *quant = data.quant > 0 ? data.quant : 2; /* default */ frame->vol_flags = data.vol_flags; frame->vop_flags = data.vop_flags; frame->motion_flags = data.motion_flags; } else if (opt == XVID_PLG_FRAME) { if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) { for (j=0; j<pEnc->mbParam.mb_height; j++) for (i=0; i<pEnc->mbParam.mb_width; i++) { frame->mbs[j*pEnc->mbParam.mb_width + i].dquant = data.dquant[j*data.mb_width + i]; } } else { for (j=0; j<pEnc->mbParam.mb_height; j++) for (i=0; i<pEnc->mbParam.mb_width; i++) { frame->mbs[j*pEnc->mbParam.mb_width + i].dquant = 0; } } if (pEnc->mbParam.plugin_flags & XVID_REQLAMBDA) { for (j = 0; j < pEnc->mbParam.mb_height; j++) for (i = 0; i < pEnc->mbParam.mb_width; i++) for (k = 0; k < 6; k++) { frame->mbs[j*pEnc->mbParam.mb_width + i].lambda[k] = (int) ((float)(1<<LAMBDA_EXP) * data.lambda[6 * (j * data.mb_width + i) + k]); } } else { for (j = 0; j<pEnc->mbParam.mb_height; j++) for (i = 0; i<pEnc->mbParam.mb_width; i++) for (k = 0; k < 6; k++) { frame->mbs[j*pEnc->mbParam.mb_width + i].lambda[k] = 1<<LAMBDA_EXP; } } frame->mbs[0].quant = data.quant; /* FRAME will not affect the quant in stats */ } } static __inline void inc_frame_num(Encoder * pEnc) { pEnc->current->frame_num = pEnc->m_framenum; pEnc->current->stamp = pEnc->mbParam.m_stamp; /* first frame is zero */ pEnc->mbParam.m_stamp += pEnc->current->fincr; pEnc->m_framenum++; /* debug ticker */ } static __inline void dec_frame_num(Encoder * pEnc) { pEnc->mbParam.m_stamp -= pEnc->mbParam.fincr; pEnc->m_framenum--; /* debug ticker */ } static __inline void MBSetDquant(MACROBLOCK * pMB, int x, int y, MBParam * mbParam) { if (pMB->cbp == 0) { /* we want to code dquant but the quantizer value will not be used yet let's find out if we can postpone dquant to next MB */ if (x == mbParam->mb_width-1 && y == mbParam->mb_height-1) { pMB->dquant = 0; /* it's the last MB of all, the easiest case */ return; } else { MACROBLOCK * next = pMB + 1; const MACROBLOCK * prev = pMB - 1; if (next->mode != MODE_INTER4V && next->mode != MODE_NOT_CODED) /* mode allows dquant change in the future */ if (abs(next->quant - prev->quant) <= 2) { /* quant change is not out of range */ pMB->quant = prev->quant; pMB->dquant = 0; next->dquant = next->quant - prev->quant; return; } } } /* couldn't skip this dquant */ pMB->mode = MODE_INTER_Q; } static __inline void set_timecodes(FRAMEINFO* pCur,FRAMEINFO *pRef, int32_t time_base) { pCur->ticks = (int32_t)pCur->stamp % time_base; pCur->seconds = ((int32_t)pCur->stamp / time_base) - ((int32_t)pRef->stamp / time_base) ; #if 0 /* HEAVY DEBUG OUTPUT */ fprintf(stderr,"WriteVop: %d - %d \n", ((int32_t)pCur->stamp / time_base), ((int32_t)pRef->stamp / time_base)); fprintf(stderr,"set_timecodes: VOP %1d stamp=%lld ref_stamp=%lld base=%d\n", pCur->coding_type, pCur->stamp, pRef->stamp, time_base); fprintf(stderr,"set_timecodes: VOP %1d seconds=%d ticks=%d (ref-sec=%d ref-tick=%d)\n", pCur->coding_type, pCur->seconds, pCur->ticks, pRef->seconds, pRef->ticks); #endif } static void simplify_par(int *par_width, int *par_height) { int _par_width = (!*par_width) ? 1 : (*par_width<0) ? -*par_width: *par_width; int _par_height = (!*par_height) ? 1 : (*par_height<0) ? -*par_height: *par_height; int divisor = gcd(_par_width, _par_height); _par_width /= divisor; _par_height /= divisor; /* 2^8 precision maximum */ if (_par_width>255 || _par_height>255) { float div; emms(); if (_par_width>_par_height) div = (float)_par_width/255; else div = (float)_par_height/255; _par_width = (int)((float)_par_width/div); _par_height = (int)((float)_par_height/div); } *par_width = _par_width; *par_height = _par_height; return; } /***************************************************************************** * IPB frame encoder entry point * * Returned values : * - >0 - output bytes * - 0 - no output * - XVID_ERR_VERSION - wrong version passed to core * - XVID_ERR_END - End of stream reached before end of coding * - XVID_ERR_FORMAT - the image subsystem reported the image had a wrong * format ****************************************************************************/ int enc_encode(Encoder * pEnc, xvid_enc_frame_t * xFrame, xvid_enc_stats_t * stats) { xvid_enc_frame_t * frame; int type; Bitstream bs; if (XVID_VERSION_MAJOR(xFrame->version) != 1 || (stats && XVID_VERSION_MAJOR(stats->version) != 1)) /* v1.x.x */ return XVID_ERR_VERSION; xFrame->out_flags = 0; start_global_timer(); BitstreamInit(&bs, xFrame->bitstream, 0); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * enqueue image to the encoding-queue * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ if (xFrame->input.csp != XVID_CSP_NULL) { QUEUEINFO * q = &pEnc->queue[pEnc->queue_tail]; start_timer(); if (image_input (&q->image, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width, (uint8_t**)xFrame->input.plane, xFrame->input.stride, xFrame->input.csp, xFrame->vol_flags & XVID_VOL_INTERLACING)) { emms(); return XVID_ERR_FORMAT; } stop_conv_timer(); if ((xFrame->vop_flags & XVID_VOP_CHROMAOPT)) { image_chroma_optimize(&q->image, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width); } q->frame = *xFrame; if (xFrame->quant_intra_matrix) { memcpy(q->quant_intra_matrix, xFrame->quant_intra_matrix, 64*sizeof(unsigned char)); q->frame.quant_intra_matrix = q->quant_intra_matrix; } if (xFrame->quant_inter_matrix) { memcpy(q->quant_inter_matrix, xFrame->quant_inter_matrix, 64*sizeof(unsigned char)); q->frame.quant_inter_matrix = q->quant_inter_matrix; } pEnc->queue_tail = (pEnc->queue_tail + 1) % (pEnc->mbParam.max_bframes+1); pEnc->queue_size++; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * bframe flush code * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ repeat: if (pEnc->flush_bframes) { if (pEnc->bframenum_head < pEnc->bframenum_tail) { DPRINTF(XVID_DEBUG_DEBUG,"*** BFRAME (flush) bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { image_copy(&pEnc->sOriginal2, &pEnc->bframes[pEnc->bframenum_head]->image, pEnc->mbParam.edged_width, pEnc->mbParam.height); } FrameCodeB(pEnc, pEnc->bframes[pEnc->bframenum_head], &bs); call_plugins(pEnc, pEnc->bframes[pEnc->bframenum_head], &pEnc->sOriginal2, XVID_PLG_AFTER, NULL, NULL, stats); pEnc->bframenum_head++; goto done; } /* write an empty marker to the bitstream. for divx5 decoder compatibility, this marker must consist of a not-coded p-vop, with a time_base of zero, and time_increment indentical to the future-referece frame. */ if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED && pEnc->bframenum_tail > 0)) { int tmp; int bits; DPRINTF(XVID_DEBUG_DEBUG,"*** EMPTY bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); bits = BitstreamPos(&bs); tmp = pEnc->current->seconds; pEnc->current->seconds = 0; /* force time_base = 0 */ BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0, pEnc->current->quant); BitstreamPad(&bs); pEnc->current->seconds = tmp; /* add the not-coded length to the reference frame size */ pEnc->current->length += (BitstreamPos(&bs) - bits) / 8; call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats); /* flush complete: reset counters */ pEnc->flush_bframes = 0; pEnc->bframenum_head = pEnc->bframenum_tail = 0; goto done; } /* flush complete: reset counters */ pEnc->flush_bframes = 0; pEnc->bframenum_head = pEnc->bframenum_tail = 0; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * dequeue frame from the encoding queue * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ if (pEnc->queue_size == 0) /* empty */ { if (xFrame->input.csp == XVID_CSP_NULL) /* no futher input */ { DPRINTF(XVID_DEBUG_DEBUG,"*** FINISH bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); if (!(pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->mbParam.max_bframes > 0) { call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats); } /* if the very last frame is to be b-vop, we must change it to a p-vop */ if (pEnc->bframenum_tail > 0) { SWAP(FRAMEINFO*, pEnc->current, pEnc->reference); pEnc->bframenum_tail--; SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); /* convert B-VOP to P-VOP */ pEnc->current->quant = 100*pEnc->current->quant - pEnc->mbParam.bquant_offset; pEnc->current->quant += pEnc->mbParam.bquant_ratio - 1; /* to avoid rouding issues */ pEnc->current->quant /= pEnc->mbParam.bquant_ratio; if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { image_copy(&pEnc->sOriginal, &pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height); } DPRINTF(XVID_DEBUG_DEBUG,"*** PFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); pEnc->mbParam.frame_drop_ratio = -1; /* it must be a coded vop */ FrameCodeP(pEnc, &bs); if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->bframenum_tail==0) { call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats); }else{ pEnc->flush_bframes = 1; goto done; } } DPRINTF(XVID_DEBUG_DEBUG, "*** END\n"); emms(); return XVID_ERR_END; /* end of stream reached */ } goto done; /* nothing to encode yet; encoder lag */ } /* the current FRAME becomes the reference */ SWAP(FRAMEINFO*, pEnc->current, pEnc->reference); /* remove frame from encoding-queue (head), and move it into the current */ image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head].image); frame = &pEnc->queue[pEnc->queue_head].frame; pEnc->queue_head = (pEnc->queue_head + 1) % (pEnc->mbParam.max_bframes+1); pEnc->queue_size--; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * init pEnc->current fields * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ pEnc->current->fincr = pEnc->mbParam.fincr>0 ? pEnc->mbParam.fincr : frame->fincr; inc_frame_num(pEnc); pEnc->current->vol_flags = frame->vol_flags; pEnc->current->vop_flags = frame->vop_flags; pEnc->current->motion_flags = frame->motion; pEnc->current->fcode = pEnc->mbParam.m_fcode; pEnc->current->bcode = pEnc->mbParam.m_fcode; if ((xFrame->vop_flags & XVID_VOP_CHROMAOPT)) { image_chroma_optimize(&pEnc->current->image, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * frame type & quant selection * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ type = frame->type; pEnc->current->quant = frame->quant; call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_BEFORE, &type, (int*)&pEnc->current->quant, stats); if (type > 0){ /* XVID_TYPE_?VOP */ type = type2coding(type); /* convert XVID_TYPE_?VOP to bitstream coding type */ } else{ /* XVID_TYPE_AUTO */ if (pEnc->iFrameNum == 0 || (pEnc->mbParam.iMaxKeyInterval > 0 && pEnc->iFrameNum >= pEnc->mbParam.iMaxKeyInterval)){ pEnc->iFrameNum = 0; type = I_VOP; }else{ type = MEanalysis(&pEnc->reference->image, pEnc->current, &pEnc->mbParam, pEnc->mbParam.iMaxKeyInterval, pEnc->iFrameNum, pEnc->bframenum_tail, xFrame->bframe_threshold, (pEnc->bframes) ? pEnc->bframes[pEnc->bframenum_head]->mbs: NULL); } } if (type != I_VOP) pEnc->current->vol_flags = pEnc->mbParam.vol_flags; /* don't allow VOL changes here */ /* bframes buffer overflow check */ if (type == B_VOP && pEnc->bframenum_tail >= pEnc->mbParam.max_bframes) { type = P_VOP; } pEnc->iFrameNum++; if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) { image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 5, "%d st:%lld if:%d", pEnc->current->frame_num, pEnc->current->stamp, pEnc->iFrameNum); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * encode this frame as a b-vop * (we dont encode here, rather we store the frame in the bframes queue, to be encoded later) * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ if (type == B_VOP) { if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) { image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "BVOP"); } if (frame->quant < 1) { pEnc->current->quant = ((((pEnc->reference->quant + pEnc->current->quant) * pEnc->mbParam.bquant_ratio) / 2) + pEnc->mbParam.bquant_offset)/100; } else { pEnc->current->quant = frame->quant; } if (pEnc->current->quant < 1) pEnc->current->quant = 1; else if (pEnc->current->quant > 31) pEnc->current->quant = 31; DPRINTF(XVID_DEBUG_DEBUG,"*** BFRAME (store) bf: head=%i tail=%i queue: head=%i tail=%i size=%i quant=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size,pEnc->current->quant); /* store frame into bframe buffer & swap ref back to current */ SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); SWAP(FRAMEINFO*, pEnc->current, pEnc->reference); pEnc->bframenum_tail++; goto repeat; } DPRINTF(XVID_DEBUG_DEBUG,"*** XXXXXX bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); /* for unpacked bframes, output the stats for the last encoded frame */ if (!(pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->mbParam.max_bframes > 0) { if (pEnc->current->stamp > 0) { call_plugins(pEnc, pEnc->reference, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats); } else stats->type = XVID_TYPE_NOTHING; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * closed-gop * if the frame prior to an iframe is scheduled as a bframe, we must change it to a pframe * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ if (type == I_VOP && (pEnc->mbParam.global_flags & XVID_GLOBAL_CLOSED_GOP) && pEnc->bframenum_tail > 0) { /* place this frame back on the encoding-queue (head) */ /* we will deal with it next time */ dec_frame_num(pEnc); pEnc->iFrameNum--; pEnc->queue_head = (pEnc->queue_head + (pEnc->mbParam.max_bframes+1) - 1) % (pEnc->mbParam.max_bframes+1); pEnc->queue_size++; image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head].image); /* grab the last frame from the bframe-queue */ pEnc->bframenum_tail--; SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) { image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "CLOSED GOP BVOP->PVOP"); } /* convert B-VOP quant to P-VOP */ pEnc->current->quant = 100*pEnc->current->quant - pEnc->mbParam.bquant_offset; pEnc->current->quant += pEnc->mbParam.bquant_ratio - 1; /* to avoid rouding issues */ pEnc->current->quant /= pEnc->mbParam.bquant_ratio; type = P_VOP; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * encode this frame as an i-vop * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ if (type == I_VOP) { DPRINTF(XVID_DEBUG_DEBUG,"*** IFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) { image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "IVOP"); } pEnc->iFrameNum = 1; /* ---- update vol flags at IVOP ----------- */ pEnc->mbParam.vol_flags = pEnc->current->vol_flags; /* Aspect ratio */ switch(frame->par) { case XVID_PAR_11_VGA: case XVID_PAR_43_PAL: case XVID_PAR_43_NTSC: case XVID_PAR_169_PAL: case XVID_PAR_169_NTSC: case XVID_PAR_EXT: pEnc->mbParam.par = frame->par; break; default: pEnc->mbParam.par = XVID_PAR_11_VGA; break; } /* For extended PAR only, we try to sanityse/simplify par values */ if (pEnc->mbParam.par == XVID_PAR_EXT) { pEnc->mbParam.par_width = frame->par_width; pEnc->mbParam.par_height = frame->par_height; simplify_par(&pEnc->mbParam.par_width, &pEnc->mbParam.par_height); } if ((pEnc->mbParam.vol_flags & XVID_VOL_MPEGQUANT)) { if (frame->quant_intra_matrix != NULL) set_intra_matrix(pEnc->mbParam.mpeg_quant_matrices, frame->quant_intra_matrix); if (frame->quant_inter_matrix != NULL) set_inter_matrix(pEnc->mbParam.mpeg_quant_matrices, frame->quant_inter_matrix); } /* prevent vol/vop misuse */ if (!(pEnc->current->vol_flags & XVID_VOL_INTERLACING)) pEnc->current->vop_flags &= ~(XVID_VOP_TOPFIELDFIRST|XVID_VOP_ALTERNATESCAN); /* ^^^------------------------ */ if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { image_copy(&pEnc->sOriginal, &pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height); } FrameCodeI(pEnc, &bs); xFrame->out_flags |= XVID_KEYFRAME; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * encode this frame as an p-vop * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ } else { /* (type == P_VOP || type == S_VOP) */ DPRINTF(XVID_DEBUG_DEBUG,"*** PFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) { image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "PVOP"); } if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { image_copy(&pEnc->sOriginal, &pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height); } if ( FrameCodeP(pEnc, &bs) == 0 ) { /* N-VOP, we mustn't code b-frames yet */ call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats); goto done; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * on next enc_encode call we must flush bframes * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ /*done_flush:*/ pEnc->flush_bframes = 1; /* packed & queued_bframes: dont bother outputting stats here, we do so after the flush */ if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->bframenum_tail > 0) { goto repeat; } /* packed or no-bframes or no-bframes-queued: output stats */ if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) || pEnc->mbParam.max_bframes == 0 ) { call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% * done; return number of bytes consumed * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ done: stop_global_timer(); write_timer(); emms(); return BitstreamLength(&bs); } static void SetMacroblockQuants(MBParam * const pParam, FRAMEINFO * frame) { unsigned int i; MACROBLOCK * pMB = frame->mbs; int quant = frame->mbs[0].quant; /* set by XVID_PLG_FRAME */ if (quant > 31) frame->quant = quant = 31; else if (quant < 1) frame->quant = quant = 1; for (i = 0; i < pParam->mb_height * pParam->mb_width; i++) { quant += pMB->dquant; if (quant > 31) quant = 31; else if (quant < 1) quant = 1; pMB->quant = quant; pMB++; } } static __inline void CodeIntraMB(Encoder * pEnc, MACROBLOCK * pMB) { pMB->mode = MODE_INTRA; /* zero mv statistics */ pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0; pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0; pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = 0; pMB->sad16 = 0; if (pMB->dquant != 0) { pMB->mode = MODE_INTRA_Q; } } static int FrameCodeI(Encoder * pEnc, Bitstream * bs) { int bits = BitstreamPos(bs); int mb_width = pEnc->mbParam.mb_width; int mb_height = pEnc->mbParam.mb_height; DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); uint16_t x, y; pEnc->mbParam.m_rounding_type = 1; pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type; pEnc->current->coding_type = I_VOP; call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL); SetMacroblockQuants(&pEnc->mbParam, pEnc->current); BitstreamWriteVolHeader(bs, &pEnc->mbParam, pEnc->current); set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase); BitstreamPad(bs); BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 1, pEnc->current->mbs[0].quant); pEnc->current->sStat.iTextBits = 0; pEnc->current->sStat.kblks = mb_width * mb_height; pEnc->current->sStat.mblks = pEnc->current->sStat.ublks = 0; for (y = 0; y < mb_height; y++) for (x = 0; x < mb_width; x++) { MACROBLOCK *pMB = &pEnc->current->mbs[x + y * pEnc->mbParam.mb_width]; CodeIntraMB(pEnc, pMB); MBTransQuantIntra(&pEnc->mbParam, pEnc->current, pMB, x, y, dct_codes, qcoeff); start_timer(); MBPrediction(pEnc->current, x, y, pEnc->mbParam.mb_width, qcoeff); stop_prediction_timer(); start_timer(); MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat); stop_coding_timer(); } emms(); BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ pEnc->current->length = (BitstreamPos(bs) - bits) / 8; pEnc->fMvPrevSigma = -1; pEnc->mbParam.m_fcode = 2; pEnc->current->is_edged = 0; /* not edged */ pEnc->current->is_interpolated = -1; /* not interpolated (fake rounding -1) */ return 1; /* intra */ } static __inline void updateFcode(Statistics * sStat, Encoder * pEnc) { float fSigma; int iSearchRange; if (sStat->iMvCount == 0) sStat->iMvCount = 1; fSigma = (float) sqrt((float) sStat->iMvSum / sStat->iMvCount); iSearchRange = 16 << pEnc->mbParam.m_fcode; if ((3.0 * fSigma > iSearchRange) && (pEnc->mbParam.m_fcode <= 5) ) pEnc->mbParam.m_fcode++; else if ((5.0 * fSigma < iSearchRange) && (4.0 * pEnc->fMvPrevSigma < iSearchRange) && (pEnc->mbParam.m_fcode >= 2) ) pEnc->mbParam.m_fcode--; pEnc->fMvPrevSigma = fSigma; } #define BFRAME_SKIP_THRESHHOLD 30 /* FrameCodeP also handles S(GMC)-VOPs */ static int FrameCodeP(Encoder * pEnc, Bitstream * bs) { int bits = BitstreamPos(bs); DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); int x, y, k; FRAMEINFO *const current = pEnc->current; FRAMEINFO *const reference = pEnc->reference; MBParam * const pParam = &pEnc->mbParam; int mb_width = pParam->mb_width; int mb_height = pParam->mb_height; int coded = 1; IMAGE *pRef = &reference->image; if (!reference->is_edged) { start_timer(); image_setedges(pRef, pParam->edged_width, pParam->edged_height, pParam->width, pParam->height, 0); stop_edges_timer(); reference->is_edged = 1; } pParam->m_rounding_type = 1 - pParam->m_rounding_type; current->rounding_type = pParam->m_rounding_type; current->fcode = pParam->m_fcode; if ((current->vop_flags & XVID_VOP_HALFPEL)) { if (reference->is_interpolated != current->rounding_type) { start_timer(); image_interpolate(pRef->y, pEnc->vInterH.y, pEnc->vInterV.y, pEnc->vInterHV.y, pParam->edged_width, pParam->edged_height, (pParam->vol_flags & XVID_VOL_QUARTERPEL), current->rounding_type); stop_inter_timer(); reference->is_interpolated = current->rounding_type; } } current->sStat.iTextBits = current->sStat.iMvSum = current->sStat.iMvCount = current->sStat.kblks = current->sStat.mblks = current->sStat.ublks = 0; current->coding_type = P_VOP; call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL); SetMacroblockQuants(&pEnc->mbParam, current); start_timer(); if (current->vol_flags & XVID_VOL_GMC ) /* GMC only for S(GMC)-VOPs */ { int gmcval; current->warp = GlobalMotionEst( current->mbs, pParam, current, reference, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV); if (current->motion_flags & XVID_ME_GME_REFINE) { gmcval = GlobalMotionEstRefine(¤t->warp, current->mbs, pParam, current, reference, ¤t->image, &reference->image, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV); } else { gmcval = globalSAD(¤t->warp, pParam, current->mbs, current, &reference->image, ¤t->image, pEnc->vGMC.y); } gmcval += /*current->quant*/ 2 * (int)(pParam->mb_width*pParam->mb_height); /* 1st '3': 3 warpoints, 2nd '3': 16th pel res (2<<3) */ generate_GMCparameters( 3, 3, ¤t->warp, pParam->width, pParam->height, ¤t->new_gmc_data); if ( (gmcval<0) && ( (current->warp.duv[1].x != 0) || (current->warp.duv[1].y != 0) || (current->warp.duv[2].x != 0) || (current->warp.duv[2].y != 0) ) ) { current->coding_type = S_VOP; generate_GMCimage(¤t->new_gmc_data, &reference->image, pParam->mb_width, pParam->mb_height, pParam->edged_width, pParam->edged_width/2, pParam->m_fcode, ((pParam->vol_flags & XVID_VOL_QUARTERPEL)?1:0), 0, current->rounding_type, current->mbs, &pEnc->vGMC); } else { generate_GMCimage(¤t->new_gmc_data, &reference->image, pParam->mb_width, pParam->mb_height, pParam->edged_width, pParam->edged_width/2, pParam->m_fcode, ((pParam->vol_flags & XVID_VOL_QUARTERPEL)?1:0), 0, current->rounding_type, current->mbs, NULL); /* no warping, just AMV */ } } MotionEstimation(&pEnc->mbParam, current, reference, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, &pEnc->vGMC, 256*4096); stop_motion_timer(); set_timecodes(current,reference,pParam->fbase); BitstreamWriteVopHeader(bs, &pEnc->mbParam, current, 1, current->mbs[0].quant); for (y = 0; y < mb_height; y++) { for (x = 0; x < mb_width; x++) { MACROBLOCK *pMB = ¤t->mbs[x + y * pParam->mb_width]; int skip_possible; if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) { CodeIntraMB(pEnc, pMB); MBTransQuantIntra(&pEnc->mbParam, current, pMB, x, y, dct_codes, qcoeff); start_timer(); MBPrediction(current, x, y, pParam->mb_width, qcoeff); stop_prediction_timer(); current->sStat.kblks++; MBCoding(current, pMB, qcoeff, bs, ¤t->sStat); stop_coding_timer(); continue; } start_timer(); MBMotionCompensation(pMB, x, y, &reference->image, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, &pEnc->vGMC, ¤t->image, dct_codes, pParam->width, pParam->height, pParam->edged_width, (current->vol_flags & XVID_VOL_QUARTERPEL), current->rounding_type); stop_comp_timer(); pMB->field_pred = 0; if (pMB->cbp != 0) { pMB->cbp = MBTransQuantInter(&pEnc->mbParam, current, pMB, x, y, dct_codes, qcoeff); } if (pMB->dquant != 0) MBSetDquant(pMB, x, y, &pEnc->mbParam); if (pMB->cbp || pMB->mvs[0].x || pMB->mvs[0].y || pMB->mvs[1].x || pMB->mvs[1].y || pMB->mvs[2].x || pMB->mvs[2].y || pMB->mvs[3].x || pMB->mvs[3].y) { current->sStat.mblks++; } else { current->sStat.ublks++; } start_timer(); /* Finished processing the MB, now check if to CODE or SKIP */ skip_possible = (pMB->cbp == 0) && (pMB->mode == MODE_INTER); if (current->coding_type == S_VOP) skip_possible &= (pMB->mcsel == 1); else { /* PVOP */ const VECTOR * const mv = (pParam->vol_flags & XVID_VOL_QUARTERPEL) ? pMB->qmvs : pMB->mvs; skip_possible &= ((mv->x|mv->y) == 0); } if ((pMB->mode == MODE_NOT_CODED) || (skip_possible)) { /* This is a candidate for SKIPping, but for P-VOPs check intermediate B-frames first */ int bSkip = 1; if (current->coding_type == P_VOP) { /* special rule for P-VOP's SKIP */ for (k = pEnc->bframenum_head; k < pEnc->bframenum_tail; k++) { int iSAD; iSAD = sad16(reference->image.y + 16*y*pParam->edged_width + 16*x, pEnc->bframes[k]->image.y + 16*y*pParam->edged_width + 16*x, pParam->edged_width, BFRAME_SKIP_THRESHHOLD * pMB->quant); if (iSAD >= BFRAME_SKIP_THRESHHOLD * pMB->quant) { bSkip = 0; /* could not SKIP */ if (pParam->vol_flags & XVID_VOL_QUARTERPEL) { VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, 0); pMB->pmvs[0].x = - predMV.x; pMB->pmvs[0].y = - predMV.y; } else { VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, 0); pMB->pmvs[0].x = - predMV.x; pMB->pmvs[0].y = - predMV.y; } pMB->mode = MODE_INTER; pMB->cbp = 0; break; } } } if (bSkip) { /* do SKIP */ pMB->mode = MODE_NOT_CODED; MBSkip(bs); stop_coding_timer(); continue; /* next MB */ } } /* ordinary case: normal coded INTER/INTER4V block */ MBCoding(current, pMB, qcoeff, bs, &pEnc->current->sStat); stop_coding_timer(); } } emms(); updateFcode(¤t->sStat, pEnc); /* frame drop code */ #if 0 DPRINTF(XVID_DEBUG_DEBUG, "kmu %i %i %i\n", current->sStat.kblks, current->sStat.mblks, current->sStat.ublks); #endif if (current->sStat.kblks + current->sStat.mblks <= (pParam->frame_drop_ratio * mb_width * mb_height) / 100 && ( (pEnc->bframenum_head >= pEnc->bframenum_tail) || !(pEnc->mbParam.global_flags & XVID_GLOBAL_CLOSED_GOP)) ) { current->sStat.kblks = current->sStat.mblks = 0; current->sStat.ublks = mb_width * mb_height; BitstreamReset(bs); set_timecodes(current,reference,pParam->fbase); BitstreamWriteVopHeader(bs, &pEnc->mbParam, current, 0, current->mbs[0].quant); /* copy reference frame details into the current frame */ current->quant = reference->quant; current->motion_flags = reference->motion_flags; current->rounding_type = reference->rounding_type; current->fcode = reference->fcode; current->bcode = reference->bcode; current->stamp = reference->stamp; image_copy(¤t->image, &reference->image, pParam->edged_width, pParam->height); memcpy(current->mbs, reference->mbs, sizeof(MACROBLOCK) * mb_width * mb_height); coded = 0; } else { pEnc->current->is_edged = 0; /* not edged */ pEnc->current->is_interpolated = -1; /* not interpolated (fake rounding -1) */ /* what was this frame's interpolated reference will become forward (past) reference in b-frame coding */ image_swap(&pEnc->vInterH, &pEnc->f_refh); image_swap(&pEnc->vInterV, &pEnc->f_refv); image_swap(&pEnc->vInterHV, &pEnc->f_refhv); } /* XXX: debug { char s[100]; sprintf(s, "\\%05i_cur.pgm", pEnc->m_framenum); image_dump_yuvpgm(¤t->image, pParam->edged_width, pParam->width, pParam->height, s); sprintf(s, "\\%05i_ref.pgm", pEnc->m_framenum); image_dump_yuvpgm(&reference->image, pParam->edged_width, pParam->width, pParam->height, s); } */ BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ current->length = (BitstreamPos(bs) - bits) / 8; return coded; } static void FrameCodeB(Encoder * pEnc, FRAMEINFO * frame, Bitstream * bs) { int bits = BitstreamPos(bs); DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); uint32_t x, y; IMAGE *f_ref = &pEnc->reference->image; IMAGE *b_ref = &pEnc->current->image; #ifdef BFRAMES_DEC_DEBUG FILE *fp; static char first=0; #define BFRAME_DEBUG if (!first && fp){ \ fprintf(fp,"Y=%3d X=%3d MB=%2d CBP=%02X\n",y,x,mb->mode,mb->cbp); \ } if (!first){ fp=fopen("C:\\XVIDDBGE.TXT","w"); } #endif /* forward */ if (!pEnc->reference->is_edged) { image_setedges(f_ref, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, pEnc->mbParam.width, pEnc->mbParam.height, 0); pEnc->current->is_edged = 1; } if (pEnc->reference->is_interpolated != 0) { start_timer(); image_interpolate(f_ref->y, pEnc->f_refh.y, pEnc->f_refv.y, pEnc->f_refhv.y, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, (pEnc->mbParam.vol_flags & XVID_VOL_QUARTERPEL), 0); stop_inter_timer(); pEnc->reference->is_interpolated = 0; } /* backward */ if (!pEnc->current->is_edged) { image_setedges(b_ref, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, pEnc->mbParam.width, pEnc->mbParam.height, 0); pEnc->current->is_edged = 1; } if (pEnc->current->is_interpolated != 0) { start_timer(); image_interpolate(b_ref->y, pEnc->vInterH.y, pEnc->vInterV.y, pEnc->vInterHV.y, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, (pEnc->mbParam.vol_flags & XVID_VOL_QUARTERPEL), 0); stop_inter_timer(); pEnc->current->is_interpolated = 0; } frame->coding_type = B_VOP; call_plugins(pEnc, frame, NULL, XVID_PLG_FRAME, NULL, NULL, NULL); start_timer(); MotionEstimationBVOP(&pEnc->mbParam, frame, ((int32_t)(pEnc->current->stamp - frame->stamp)), /* time_bp */ ((int32_t)(pEnc->current->stamp - pEnc->reference->stamp)), /* time_pp */ pEnc->reference->mbs, f_ref, &pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, pEnc->current, b_ref, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV); stop_motion_timer(); set_timecodes(frame, pEnc->reference,pEnc->mbParam.fbase); BitstreamWriteVopHeader(bs, &pEnc->mbParam, frame, 1, frame->quant); frame->sStat.iTextBits = 0; frame->sStat.iMvSum = 0; frame->sStat.iMvCount = 0; frame->sStat.kblks = frame->sStat.mblks = frame->sStat.ublks = 0; frame->sStat.mblks = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; frame->sStat.kblks = frame->sStat.ublks = 0; for (y = 0; y < pEnc->mbParam.mb_height; y++) { for (x = 0; x < pEnc->mbParam.mb_width; x++) { MACROBLOCK * const mb = &frame->mbs[x + y * pEnc->mbParam.mb_width]; /* decoder ignores mb when refence block is INTER(0,0), CBP=0 */ if (mb->mode == MODE_NOT_CODED) { if (pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) { MBMotionCompensation(mb, x, y, f_ref, NULL, f_ref, NULL, NULL, &frame->image, NULL, 0, 0, pEnc->mbParam.edged_width, 0, 0); } continue; } mb->quant = frame->quant; if (mb->cbp != 0 || pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) { /* we have to motion-compensate, transfer etc, because there might be blocks to code */ MBMotionCompensationBVOP(&pEnc->mbParam, mb, x, y, &frame->image, f_ref, &pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, b_ref, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, dct_codes); mb->cbp = MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, x, y, dct_codes, qcoeff); } if (mb->mode == MODE_DIRECT_NO4V) mb->mode = MODE_DIRECT; if (mb->mode == MODE_DIRECT && (mb->cbp | mb->pmvs[3].x | mb->pmvs[3].y) == 0) mb->mode = MODE_DIRECT_NONE_MV; /* skipped */ else if (frame->vop_flags & XVID_VOP_GREYSCALE) /* keep only bits 5-2 -- Chroma blocks will just be skipped by MBCodingBVOP */ mb->cbp &= 0x3C; start_timer(); MBCodingBVOP(frame, mb, qcoeff, frame->fcode, frame->bcode, bs, &frame->sStat); stop_coding_timer(); } } emms(); BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ frame->length = (BitstreamPos(bs) - bits) / 8; #ifdef BFRAMES_DEC_DEBUG if (!first){ first=1; if (fp) fclose(fp); } #endif }
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