--- trunk/xvidcore/src/encoder.c 2002/03/08 19:17:46 4 +++ trunk/xvidcore/src/encoder.c 2004/04/04 11:47:21 1406 @@ -1,559 +1,2061 @@ +/***************************************************************************** + * + * XVID MPEG-4 VIDEO CODEC + * - Encoder main module - + * + * Copyright(C) 2002 Michael Militzer + * 2002-2003 Peter Ross + * 2002 Daniel Smith + * + * 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 1.105 2004-04-04 11:47:21 syskin Exp $ + * + ****************************************************************************/ + #include #include #include +#include #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/ratecontrol.h" #include "utils/emms.h" #include "bitstream/mbcoding.h" -#include "quant/adapt_quant.h" #include "quant/quant_matrix.h" +#include "utils/mem_align.h" -#define ENC_CHECK(X) if(!(X)) return XVID_ERR_FORMAT +/***************************************************************************** + * 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 void +simplify_time(int *inc, int *base) +{ + /* common factor */ + int i = *inc; + while (i > 1) { + if (*inc % i == 0 && *base % i == 0) { + *inc /= i; + *base /= i; + i = *inc; + continue; + } + i--; + } + /* if neccessary, round to 65535 accuracy */ + if (*base > 65535) { + float div = (float) *base / 65535; + *base = (int) (*base / div); + *inc = (int) (*inc / div); + } +} -static int FrameCodeI(Encoder * pEnc, Bitstream * bs, uint32_t *pBits); -static int FrameCodeP(Encoder * pEnc, Bitstream * bs, uint32_t *pBits, bool force_inter, bool vol_header); -static int DQtab[4] = +int +enc_create(xvid_enc_create_t * create) { - -1, -2, 1, 2 -}; + Encoder *pEnc; + int n; -static int iDQtab[5] = -{ - 1, 0, NO_CHANGE, 2, 3 -}; + 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; -int encoder_create(XVID_ENC_PARAM * pParam) -{ - Encoder *pEnc; - uint32_t i; + if (create->width<=0 || create->height<=0) + return XVID_ERR_FAIL; - pParam->handle = NULL; + /* allocate encoder struct */ - ENC_CHECK(pParam); + pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE); + if (pEnc == NULL) + return XVID_ERR_MEMORY; + memset(pEnc, 0, sizeof(Encoder)); - ENC_CHECK(pParam->width > 0 && pParam->width <= 1920); - ENC_CHECK(pParam->height > 0 && pParam->height <= 1280); - ENC_CHECK(!(pParam->width % 2)); - ENC_CHECK(!(pParam->height % 2)); + pEnc->mbParam.profile = create->profile; - if (pParam->fincr <= 0 || pParam->fbase <= 0) - { - pParam->fincr = 1; - pParam->fbase = 25; + /* global flags */ + pEnc->mbParam.global_flags = create->global; + + /* 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(&pEnc->mbParam.fincr, &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; } - // simplify the "fincr/fbase" fraction - // (neccessary, since windows supplies us with huge numbers) + /* 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; + } - i = pParam->fincr; - while (i > 1) - { - if (pParam->fincr % i == 0 && pParam->fbase % i == 0) - { - pParam->fincr /= i; - pParam->fbase /= i; - i = pParam->fincr; - continue; + for (n=0; nnum_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(0, XVID_PLG_INFO, &pinfo, 0) >= 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(0, XVID_PLG_CREATE, &pcreate, &pEnc->plugins[n].param) >= 0) { + pEnc->plugins[n].func = create->plugins[n].func; } - i--; } - if (pParam->fbase > 65535) - { - float div = (float)pParam->fbase / 65535; - pParam->fbase = (int)(pParam->fbase / div); - pParam->fincr = (int)(pParam->fincr / div); + 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; } - if (pParam->bitrate <= 0) - pParam->bitrate = 900000; + /* 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; + } - if (pParam->rc_buffersize <= 0) - pParam->rc_buffersize = pParam->bitrate * pParam->fbase; + /* frame drop ratio */ + pEnc->mbParam.frame_drop_ratio = MAX(create->frame_drop_ratio, 0); - if ((pParam->min_quantizer <= 0) || (pParam->min_quantizer > 31)) - pParam->min_quantizer = 1; + /* max keyframe interval */ + pEnc->mbParam.iMaxKeyInterval = create->max_key_interval <= 0 ? (10 * (int)pEnc->mbParam.fbase) / (int)pEnc->mbParam.fincr : create->max_key_interval; - if ((pParam->max_quantizer <= 0) || (pParam->max_quantizer > 31)) - pParam->max_quantizer = 31; + /* allocate working frame-image memory */ - if (pParam->max_key_interval == 0) /* 1 keyframe each 10 seconds */ - pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase; - - if (pParam->max_quantizer < pParam->min_quantizer) - pParam->max_quantizer = pParam->min_quantizer; + pEnc->current = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE); + pEnc->reference = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE); - if ((pEnc = (Encoder *) malloc(sizeof(Encoder))) == NULL) - return XVID_ERR_MEMORY; + if (pEnc->current == NULL || pEnc->reference == NULL) + goto xvid_err_memory1; - /* Fill members of Encoder structure */ + /* allocate macroblock memory */ - pEnc->mbParam.width = pParam->width; - pEnc->mbParam.height = pParam->height; + 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); - pEnc->mbParam.mb_width = (pEnc->mbParam.width + 15) / 16; - pEnc->mbParam.mb_height = (pEnc->mbParam.height + 15) / 16; + if (pEnc->current->mbs == NULL || pEnc->reference->mbs == NULL) + goto xvid_err_memory2; - pEnc->mbParam.edged_width = 16 * pEnc->mbParam.mb_width + 2 * EDGE_SIZE; - pEnc->mbParam.edged_height = 16 * pEnc->mbParam.mb_height + 2 * EDGE_SIZE; + /* allocate quant matrix memory */ - pEnc->sStat.fMvPrevSigma = -1; + pEnc->mbParam.mpeg_quant_matrices = + xvid_malloc(sizeof(uint16_t) * 64 * 8, CACHE_LINE); - /* Fill rate control parameters */ + if (pEnc->mbParam.mpeg_quant_matrices == NULL) + goto xvid_err_memory2a; - pEnc->mbParam.quant = 4; + /* allocate interpolation image memory */ - pEnc->bitrate = pParam->bitrate; + if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) { + image_null(&pEnc->sOriginal); + image_null(&pEnc->sOriginal2); + } - pEnc->iFrameNum = 0; - pEnc->iMaxKeyInterval = pParam->max_key_interval; + 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->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) - { - free(pEnc); - return XVID_ERR_MEMORY; - } + 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; - if (image_create(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) - { - image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - free(pEnc); - return XVID_ERR_MEMORY; - } + } + } - if (image_create(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) - { - image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - free(pEnc); - return XVID_ERR_MEMORY; - } + /* 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; + } - if (image_create(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) - { - image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - free(pEnc); - return XVID_ERR_MEMORY; - } + /* timestamp stuff */ - if (image_create(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) - { - image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - image_destroy(&pEnc->sReference, 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); - free(pEnc); - return XVID_ERR_MEMORY; - } + pEnc->mbParam.m_stamp = 0; + pEnc->m_framenum = 0; + pEnc->current->stamp = 0; + pEnc->reference->stamp = 0; - pEnc->pMBs = malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height); - if (pEnc->pMBs == NULL) - { - image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - image_destroy(&pEnc->sReference, 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); - free(pEnc); - return XVID_ERR_MEMORY; + /* 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); } - // init macroblock array - for (i = 0; i < pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; i++) - { - pEnc->pMBs[i].dquant = NO_CHANGE; + 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); } - pParam->handle = (void *)pEnc; + 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 (pParam->bitrate) - { - RateControlInit(pParam->bitrate, pParam->rc_buffersize, pParam->fbase, pParam->width, - pParam->height, pParam->max_quantizer, pParam->min_quantizer); + xvid_err_memory0: + for (n=0; nnum_plugins;n++) { + if (pEnc->plugins[n].func) { + pEnc->plugins[n].func(pEnc->plugins[n].param, XVID_PLG_DESTROY, 0, 0); + } } + xvid_free(pEnc->plugins); + + xvid_free(pEnc->zones); + + xvid_free(pEnc); - create_vlc_tables(); + create->handle = NULL; - return XVID_ERR_OK; + 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 encoder_destroy(Encoder * pEnc) +int +enc_destroy(Encoder * pEnc) { - ENC_CHECK(pEnc); - ENC_CHECK(pEnc->sCurrent.y); - ENC_CHECK(pEnc->sReference.y); + 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); + } - free(pEnc->pMBs); - image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); - image_destroy(&pEnc->sReference, 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); - free(pEnc); + /* Encoder structure */ - destroy_vlc_tables(); + xvid_free(pEnc->current->mbs); + xvid_free(pEnc->current); - return XVID_ERR_OK; + 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; inum_plugins;i++) { + if (pEnc->plugins[i].func) { + pEnc->plugins[i].func(pEnc->plugins[i].param, XVID_PLG_DESTROY, &pdestroy, 0); + } + } + 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 */ } -int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult) + +/* + call the plugins + */ + +static void call_plugins(Encoder * pEnc, FRAMEINFO * frame, IMAGE * original, + int opt, int * type, int * quant, xvid_enc_stats_t * stats) { - uint16_t x, y; - Bitstream bs; - uint32_t bits; - uint16_t quant_type = 0; - uint16_t write_vol_header = 0; + unsigned int i, j; + xvid_plg_data_t data; - IMAGE *pCurrent = &(pEnc->sCurrent); + /* set data struct */ - start_global_timer(); + memset(&data, 0, sizeof(xvid_plg_data_t)); + data.version = XVID_VERSION; - ENC_CHECK(pEnc); - ENC_CHECK(pFrame); - ENC_CHECK(pFrame->bitstream); - ENC_CHECK(pFrame->image); + /* find zone */ + for(i=0; inum_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]; + } - pEnc->mbParam.global_flags = pFrame->general; - pEnc->mbParam.motion_flags = pFrame->motion; + 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); + } + + } 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; + } - start_timer(); - if (image_input(&pEnc->sCurrent, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width, - pFrame->image, pFrame->colorspace)) - { - return XVID_ERR_FORMAT; + 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; jmbParam.mb_height; j++) + for (i=0; imbParam.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; } - stop_conv_timer(); - BitstreamInit(&bs, pFrame->bitstream, 0); + /* 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, 0) < 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; jmbParam.mb_height; j++) + for (i=0; imbParam.mb_width; i++) { + frame->mbs[j*pEnc->mbParam.mb_width + i].dquant = data.dquant[j*data.mb_width + i]; + } + } else { + for (j=0; jmbParam.mb_height; j++) + for (i=0; imbParam.mb_width; i++) { + frame->mbs[j*pEnc->mbParam.mb_width + i].dquant = 0; + } + } + 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 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_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); + - if (pFrame->quant == 0) + /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + * enqueue image to the encoding-queue + * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ + + if (xFrame->input.csp != XVID_CSP_NULL) { - pEnc->mbParam.quant = RateControlGetQ(0); + 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++; } - else + + + /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + * bframe flush code + * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ + +repeat: + + if (pEnc->flush_bframes) { - pEnc->mbParam.quant = pFrame->quant; + 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, 0, 0, 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, 0, 0, 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; } - if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) + /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + * dequeue frame from the encoding queue + * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ + + if (pEnc->queue_size == 0) /* empty */ { - int * temp_dquants = (int *) malloc(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * sizeof(int)); - - pEnc->mbParam.quant = adaptive_quantization(pEnc->sCurrent.y, pEnc->mbParam.width, - temp_dquants, pFrame->quant, pFrame->quant, - 2*pFrame->quant, pEnc->mbParam.mb_width, pEnc->mbParam.mb_height); - - for (y = 0; y < pEnc->mbParam.mb_height; y++) - for (x = 0; x < pEnc->mbParam.mb_width; x++) - { - MACROBLOCK *pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; - pMB->dquant = iDQtab[(temp_dquants[y * pEnc->mbParam.mb_width + x] + 2)]; + 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, 0, 0, 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, 0, 0, stats); + }else{ + pEnc->flush_bframes = 1; + goto done; + } } - free(temp_dquants); + DPRINTF(XVID_DEBUG_DEBUG, "*** END\n"); + + emms(); + return XVID_ERR_END; /* end of stream reached */ + } + goto done; /* nothing to encode yet; encoder lag */ } - if(pEnc->mbParam.global_flags & XVID_H263QUANT) - quant_type = H263_QUANT; - else if(pEnc->mbParam.global_flags & XVID_MPEGQUANT) - quant_type = MPEG4_QUANT; + /* the current FRAME becomes the reference */ + SWAP(FRAMEINFO*, pEnc->current, pEnc->reference); - if(pEnc->mbParam.quant_type != quant_type) { - pEnc->mbParam.quant_type = quant_type; - write_vol_header = 1; + /* 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); } - else - write_vol_header = 0; - if ((pEnc->mbParam.global_flags & XVID_CUSTOM_QMATRIX) > 0) - { - int ret1, ret2; - ret1 = set_intra_matrix(pFrame->quant_intra_matrix); - ret2 = set_inter_matrix(pFrame->quant_inter_matrix); - if(write_vol_header == 0) - write_vol_header = ret1 | ret2; + /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + * frame type & quant selection + * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ + + type = frame->type; + pEnc->current->quant = frame->quant; + + call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_BEFORE, &type, &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 (pFrame->intra < 0) - { - if ((pEnc->iFrameNum == 0) || ((pEnc->iMaxKeyInterval > 0) - && (pEnc->iFrameNum >= pEnc->iMaxKeyInterval))) + if (type != I_VOP) + pEnc->current->vol_flags = pEnc->mbParam.vol_flags; /* don't allow VOL changes here */ - pFrame->intra = FrameCodeI(pEnc, &bs, &bits); - else - pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 0, write_vol_header); - } - else - { - if (pFrame->intra == 1) - pFrame->intra = FrameCodeI(pEnc, &bs, &bits); - else - pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 1, write_vol_header); - } + /* bframes buffer overflow check */ + if (type == B_VOP && pEnc->bframenum_tail >= pEnc->mbParam.max_bframes) { + type = P_VOP; + } + + pEnc->iFrameNum++; - BitstreamPutBits(&bs, 0xFFFF, 16); - BitstreamPutBits(&bs, 0xFFFF, 16); - BitstreamPad(&bs); - pFrame->length = BitstreamLength(&bs); - - if (pResult) - { - pResult->quant = pEnc->mbParam.quant; - pResult->hlength = pFrame->length - (pEnc->sStat.iTextBits / 8); - pResult->kblks = pEnc->sStat.kblks; - pResult->mblks = pEnc->sStat.mblks; - pResult->ublks = pEnc->sStat.ublks; - } - - if (pEnc->bitrate) + 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) { - RateControlUpdate(pEnc->mbParam.quant, pFrame->length, pFrame->intra); + if (pEnc->current->stamp > 0) { + call_plugins(pEnc, pEnc->reference, &pEnc->sOriginal, XVID_PLG_AFTER, 0, 0, stats); + } + else + stats->type = XVID_TYPE_NOTHING; } - pEnc->iFrameNum++; - image_swap(&pEnc->sCurrent, &pEnc->sReference); - + /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + * 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, "DX50 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_REDUCED_ENABLE)) + pEnc->current->vop_flags &= ~XVID_VOP_REDUCED; + + 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, 0, 0, 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, 0, 0, stats); + } + + /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + * done; return number of bytes consumed + * %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */ + +done: + stop_global_timer(); write_timer(); - return XVID_ERR_OK; + emms(); + return BitstreamLength(&bs); } -static __inline void CodeIntraMB(Encoder *pEnc, MACROBLOCK *pMB) { +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; - if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) { - if(pMB->dquant != NO_CHANGE) - { - pMB->mode = MODE_INTRA_Q; - pEnc->mbParam.quant += DQtab[pMB->dquant]; - - if (pEnc->mbParam.quant > 31) pEnc->mbParam.quant = 31; - if (pEnc->mbParam.quant < 1) pEnc->mbParam.quant = 1; - } - } + /* 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; - pMB->quant = pEnc->mbParam.quant; + if (pMB->dquant != 0) { + pMB->mode = MODE_INTRA_Q; + } } -static int FrameCodeI(Encoder * pEnc, Bitstream * bs, uint32_t *pBits) + +static int +FrameCodeI(Encoder * pEnc, + Bitstream * bs) { - int16_t dct_codes[6][64]; - int16_t qcoeff[6][64]; - uint16_t x, y; - IMAGE *pCurrent = &pEnc->sCurrent; + 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->iFrameNum = 0; - pEnc->mbParam.rounding_type = 1; - pEnc->mbParam.coding_type = I_VOP; + if ((pEnc->current->vol_flags & XVID_VOL_REDUCED_ENABLE)) + { + mb_width = (pEnc->mbParam.width + 31) / 32; + mb_height = (pEnc->mbParam.height + 31) / 32; - BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); - BitstreamWriteVopHeader(bs, I_VOP, pEnc->mbParam.rounding_type, - pEnc->mbParam.quant, - pEnc->mbParam.fixed_code); + /* 16x16->8x8 downsample requires 1 additional edge pixel*/ + /* XXX: setedges is overkill */ + start_timer(); + image_setedges(&pEnc->current->image, + pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, + pEnc->mbParam.width, pEnc->mbParam.height, 0); + stop_edges_timer(); + } - *pBits = BitstreamPos(bs); + pEnc->mbParam.m_rounding_type = 1; + pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type; + pEnc->current->coding_type = I_VOP; - pEnc->sStat.iTextBits = 0; - pEnc->sStat.kblks = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; - pEnc->sStat.mblks = pEnc->sStat.ublks = 0; + call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL); - for (y = 0; y < pEnc->mbParam.mb_height; y++) - for (x = 0; x < pEnc->mbParam.mb_width; x++) - { - MACROBLOCK *pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; + 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, x, y, dct_codes, qcoeff, pCurrent); + MBTransQuantIntra(&pEnc->mbParam, pEnc->current, pMB, x, y, + dct_codes, qcoeff); start_timer(); - MBPrediction(&pEnc->mbParam, x, y, pEnc->mbParam.mb_width, qcoeff, pEnc->pMBs); + MBPrediction(pEnc->current, x, y, pEnc->mbParam.mb_width, qcoeff); stop_prediction_timer(); start_timer(); - MBCoding(&pEnc->mbParam, pMB, qcoeff, bs, &pEnc->sStat); + if (pEnc->current->vop_flags & XVID_VOP_GREYSCALE) + { pMB->cbp &= 0x3C; /* keep only bits 5-2 */ + qcoeff[4*64+0]=0; /* zero, because for INTRA MBs DC value is saved */ + qcoeff[5*64+0]=0; + } + MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat); stop_coding_timer(); } + if ((pEnc->current->vop_flags & XVID_VOP_REDUCED)) + { + image_deblock_rrv(&pEnc->current->image, pEnc->mbParam.edged_width, + pEnc->current->mbs, mb_width, mb_height, pEnc->mbParam.mb_width, + 16, 0); + } emms(); - *pBits = BitstreamPos(bs) - *pBits; - pEnc->sStat.fMvPrevSigma = -1; - pEnc->sStat.iMvSum = 0; - pEnc->sStat.iMvCount = 0; - pEnc->mbParam.fixed_code = 2; + BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ - return 1; // intra + 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 */ } #define INTRA_THRESHOLD 0.5 +#define BFRAME_SKIP_THRESHHOLD 30 + -static int FrameCodeP(Encoder * pEnc, Bitstream * bs, uint32_t *pBits, bool force_inter, bool vol_header) +/* FrameCodeP also handles S(GMC)-VOPs */ +static int +FrameCodeP(Encoder * pEnc, + Bitstream * bs) { - float fSigma; - int16_t dct_codes[6][64]; - int16_t qcoeff[6][64]; - int iLimit; - uint32_t x, y; - int iSearchRange; - bool bIntra; + float fSigma; + int bits = BitstreamPos(bs); - IMAGE *pCurrent = &pEnc->sCurrent; - IMAGE *pRef = &pEnc->sReference; + DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); + DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); - image_setedges(pRef,pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, pEnc->mbParam.width, pEnc->mbParam.height); + int x, y, k; + int iSearchRange; + int skip_possible; + 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; - pEnc->mbParam.rounding_type = 1 - pEnc->mbParam.rounding_type; - if (!force_inter) - iLimit = (int)(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * INTRA_THRESHOLD); - else - iLimit = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height + 1; + /* IMAGE *pCurrent = ¤t->image; */ + IMAGE *pRef = &reference->image; + + if ((current->vop_flags & XVID_VOP_REDUCED)) + { + mb_width = (pParam->width + 31) / 32; + mb_height = (pParam->height + 31) / 32; + } + - if ((pEnc->mbParam.global_flags & XVID_HALFPEL) > 0) { + if (!reference->is_edged) { start_timer(); - image_interpolate(pRef, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, - pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, - pEnc->mbParam.rounding_type); - stop_inter_timer(); + image_setedges(pRef, pParam->edged_width, pParam->edged_height, + pParam->width, pParam->height, 0); + stop_edges_timer(); + reference->is_edged = 1; } - start_timer(); - bIntra = MotionEstimation(pEnc->pMBs, &pEnc->mbParam, &pEnc->sReference, - &pEnc->vInterH, &pEnc->vInterV, - &pEnc->vInterHV, &pEnc->sCurrent, iLimit); - stop_motion_timer(); + 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, &pEnc->vInterH, &pEnc->vInterV, + &pEnc->vInterHV, pParam->edged_width, + pParam->edged_height, + (pParam->vol_flags & XVID_VOL_QUARTERPEL), + current->rounding_type); + stop_inter_timer(); + reference->is_interpolated = current->rounding_type; + } + } - if (bIntra == 1) - return FrameCodeI(pEnc, bs, pBits); + current->coding_type = P_VOP; - pEnc->mbParam.coding_type = P_VOP; + call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL); - if(vol_header) - BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); + SetMacroblockQuants(&pEnc->mbParam, current); - BitstreamWriteVopHeader(bs, P_VOP, pEnc->mbParam.rounding_type, - pEnc->mbParam.quant, - pEnc->mbParam.fixed_code); + 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); + } - *pBits = BitstreamPos(bs); + gmcval += /*current->quant*/ 2 * (int)(pParam->mb_width*pParam->mb_height); - pEnc->sStat.iTextBits = 0; - pEnc->sStat.iMvSum = 0; - pEnc->sStat.iMvCount = 0; - pEnc->sStat.kblks = pEnc->sStat.mblks = pEnc->sStat.ublks = 0; + /* 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); - for(y = 0; y < pEnc->mbParam.mb_height; y++) - { - for(x = 0; x < pEnc->mbParam.mb_width; x++) + 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) ) ) { - MACROBLOCK * pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; + current->coding_type = S_VOP; - bIntra = (pMB->mode == MODE_INTRA) || (pMB->mode == MODE_INTRA_Q); + 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); + + current->sStat.iTextBits = current->sStat.iMvSum = current->sStat.iMvCount = + current->sStat.kblks = current->sStat.mblks = current->sStat.ublks = 0; + + + for (y = 0; y < mb_height; y++) { + for (x = 0; x < mb_width; x++) { + MACROBLOCK *pMB = + ¤t->mbs[x + y * pParam->mb_width]; + + int bIntra = (pMB->mode == MODE_INTRA) || (pMB->mode == MODE_INTRA_Q); + + if (bIntra) { + CodeIntraMB(pEnc, pMB); + MBTransQuantIntra(&pEnc->mbParam, current, pMB, x, y, + dct_codes, qcoeff); - if (!bIntra) - { start_timer(); - MBMotionCompensation(pMB, x, y, &pEnc->sReference, - &pEnc->vInterH, &pEnc->vInterV, - &pEnc->vInterHV, &pEnc->sCurrent, dct_codes, - pEnc->mbParam.width, - pEnc->mbParam.height, - pEnc->mbParam.edged_width, - pEnc->mbParam.rounding_type); - stop_comp_timer(); - - if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) { - if(pMB->dquant != NO_CHANGE) { - pMB->mode = MODE_INTER_Q; - pEnc->mbParam.quant += DQtab[pMB->dquant]; - if (pEnc->mbParam.quant > 31) pEnc->mbParam.quant = 31; - else if(pEnc->mbParam.quant < 1) pEnc->mbParam.quant = 1; - } + MBPrediction(current, x, y, pParam->mb_width, qcoeff); + stop_prediction_timer(); + + current->sStat.kblks++; + + if (pEnc->current->vop_flags & XVID_VOP_GREYSCALE) + { pMB->cbp &= 0x3C; /* keep only bits 5-2 */ + qcoeff[4*64+0]=0; /* zero, because for INTRA MBs DC value is saved */ + qcoeff[5*64+0]=0; } - pMB->quant = pEnc->mbParam.quant; + MBCoding(current, pMB, qcoeff, bs, ¤t->sStat); + stop_coding_timer(); + continue; + } - pMB->cbp = MBTransQuantInter(&pEnc->mbParam, x, y, dct_codes, qcoeff, pCurrent); - } - else - { - CodeIntraMB(pEnc, pMB); - MBTransQuantIntra(&pEnc->mbParam, x, y, dct_codes, qcoeff, pCurrent); + 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->vop_flags & XVID_VOP_REDUCED), + current->rounding_type); + + stop_comp_timer(); + + pMB->field_pred = 0; + + if (pMB->mode != MODE_NOT_CODED) + { pMB->cbp = + MBTransQuantInter(&pEnc->mbParam, current, pMB, x, y, + dct_codes, qcoeff); } - start_timer(); - MBPrediction(&pEnc->mbParam, x, y, pEnc->mbParam.mb_width, qcoeff, pEnc->pMBs); - stop_prediction_timer(); + if (pMB->dquant != 0) + MBSetDquant(pMB, x, y, &pEnc->mbParam); + - if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) - { - pEnc->sStat.kblks++; - } - else 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) - { - pEnc->sStat.mblks++; - } - else - { - pEnc->sStat.ublks++; + 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(); - MBCoding(&pEnc->mbParam, pMB, qcoeff, bs, &pEnc->sStat); + + /* Finished processing the MB, now check if to CODE or SKIP */ + + skip_possible = (pMB->cbp == 0) && (pMB->mode == MODE_INTER) && + (pMB->dquant == 0); + + if (current->coding_type == S_VOP) + skip_possible &= (pMB->mcsel == 1); + else if (current->coding_type == P_VOP) { + if ((pParam->vol_flags & XVID_VOL_QUARTERPEL)) + skip_possible &= ( (pMB->qmvs[0].x == 0) && (pMB->qmvs[0].y == 0) ); + else + skip_possible &= ( (pMB->mvs[0].x == 0) && (pMB->mvs[0].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 */ + + if (current->coding_type == P_VOP) /* special rule for P-VOP's SKIP */ + { + int bSkip = 1; + + 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); + if (iSAD >= BFRAME_SKIP_THRESHHOLD * pMB->quant) + { bSkip = 0; + break; + } + } + + if (!bSkip) { /* no SKIP, but trivial block */ + 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; + MBCoding(current, pMB, qcoeff, bs, ¤t->sStat); + stop_coding_timer(); + + continue; /* next MB */ + } + } + /* do SKIP */ + + pMB->mode = MODE_NOT_CODED; + MBSkip(bs); + stop_coding_timer(); + continue; /* next MB */ + } + /* ordinary case: normal coded INTER/INTER4V block */ + + if ((current->vop_flags & XVID_VOP_GREYSCALE)) + { pMB->cbp &= 0x3C; /* keep only bits 5-2 */ + qcoeff[4*64+0]=0; /* zero, because DC for INTRA MBs DC value is saved */ + qcoeff[5*64+0]=0; + } + + if((pParam->vol_flags & XVID_VOL_QUARTERPEL)) { + VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, 0); + pMB->pmvs[0].x = pMB->qmvs[0].x - predMV.x; + pMB->pmvs[0].y = pMB->qmvs[0].y - predMV.y; + DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[0].x, pMB->pmvs[0].y, predMV.x, predMV.y, pMB->mvs[0].x, pMB->mvs[0].y); + } else { + VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, 0); + pMB->pmvs[0].x = pMB->mvs[0].x - predMV.x; + pMB->pmvs[0].y = pMB->mvs[0].y - predMV.y; + DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[0].x, pMB->pmvs[0].y, predMV.x, predMV.y, pMB->mvs[0].x, pMB->mvs[0].y); + } + + + if (pMB->mode == MODE_INTER4V) + { int k; + for (k=1;k<4;k++) + { + if((pParam->vol_flags & XVID_VOL_QUARTERPEL)) { + VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, k); + pMB->pmvs[k].x = pMB->qmvs[k].x - predMV.x; + pMB->pmvs[k].y = pMB->qmvs[k].y - predMV.y; + DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[k].x, pMB->pmvs[k].y, predMV.x, predMV.y, pMB->mvs[k].x, pMB->mvs[k].y); + } else { + VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, k); + pMB->pmvs[k].x = pMB->mvs[k].x - predMV.x; + pMB->pmvs[k].y = pMB->mvs[k].y - predMV.y; + DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[k].x, pMB->pmvs[k].y, predMV.x, predMV.y, pMB->mvs[k].x, pMB->mvs[k].y); + } + + } + } + + MBCoding(current, pMB, qcoeff, bs, &pEnc->current->sStat); stop_coding_timer(); + } } + if ((current->vop_flags & XVID_VOP_REDUCED)) + { + image_deblock_rrv(¤t->image, pParam->edged_width, + current->mbs, mb_width, mb_height, pParam->mb_width, + 16, 0); + } + emms(); - if (pEnc->sStat.iMvCount == 0) - pEnc->sStat.iMvCount = 1; + if (current->sStat.iMvCount == 0) + current->sStat.iMvCount = 1; - fSigma = (float)sqrt((float) pEnc->sStat.iMvSum / pEnc->sStat.iMvCount); + fSigma = (float) sqrt((float) current->sStat.iMvSum / current->sStat.iMvCount); - iSearchRange = 1 << (3 + pEnc->mbParam.fixed_code); + iSearchRange = 1 << (3 + pParam->m_fcode); - if ((fSigma > iSearchRange / 3) - && (pEnc->mbParam.fixed_code <= 3)) // maximum search range 128 - { - pEnc->mbParam.fixed_code++; + if ((fSigma > iSearchRange / 3) + && (pParam->m_fcode <= (3 + (pParam->vol_flags & XVID_VOL_QUARTERPEL?1:0) ))) /* maximum search range 128 */ + { + pParam->m_fcode++; iSearchRange *= 2; - } - else if ((fSigma < iSearchRange / 6) - && (pEnc->sStat.fMvPrevSigma >= 0) - && (pEnc->sStat.fMvPrevSigma < iSearchRange / 6) - && (pEnc->mbParam.fixed_code >= 2)) // minimum search range 16 - { - pEnc->mbParam.fixed_code--; + } else if ((fSigma < iSearchRange / 6) + && (pEnc->fMvPrevSigma >= 0) + && (pEnc->fMvPrevSigma < iSearchRange / 6) + && (pParam->m_fcode >= (2 + (pParam->vol_flags & XVID_VOL_QUARTERPEL?1:0) ))) /* minimum search range 16 */ + { + pParam->m_fcode--; iSearchRange /= 2; - } + } + + pEnc->fMvPrevSigma = fSigma; + + /* 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); - pEnc->sStat.fMvPrevSigma = fSigma; - - *pBits = BitstreamPos(bs) - *pBits; + set_timecodes(current,reference,pParam->fbase); + BitstreamWriteVopHeader(bs, &pEnc->mbParam, current, 0, current->mbs[0].quant); - return 0; // inter + /* 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); \ + } + + /* XXX: pEnc->current->global_flags &= ~XVID_VOP_REDUCED; reduced resoltion not yet supported */ + + 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, &pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, + 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, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, + 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, pEnc->current, 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, 0); + } + + continue; + } + + if (mb->mode != MODE_DIRECT_NONE_MV || pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) { + 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); + + if (mb->mode == MODE_DIRECT_NO4V) mb->mode = MODE_DIRECT; + mb->quant = frame->quant; + + if (mb->mode != MODE_DIRECT_NONE_MV) + mb->cbp = MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, x, y, dct_codes, qcoeff); + + if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) + && (mb->pmvs[3].x == 0) && (mb->pmvs[3].y == 0) ) { + mb->mode = MODE_DIRECT_NONE_MV; /* skipped */ + } + } + + /* keep only bits 5-2 -- Chroma blocks will just be skipped by the + * coding function for BFrames, that's why we don't zero teh DC + * coeffs */ + if ((frame->vop_flags & XVID_VOP_GREYSCALE)) + mb->cbp &= 0x3C; + + start_timer(); + MBCodingBVOP(frame, mb, qcoeff, frame->fcode, frame->bcode, bs, + &frame->sStat); + stop_coding_timer(); + } + } + + emms(); + + /* TODO: dynamic fcode/bcode ??? */ + + 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 }