From 83378d0de520b27ee161e95fb50d385da7fb9cc1 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 19 Mar 2006 11:49:37 +0000 Subject: [PATCH] various fixes for xvid_rc Originally committed as revision 5182 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpegvideo.h | 1 + libavcodec/xvid_rc.c | 23 ++++++++++++++++------- 2 files changed, 17 insertions(+), 7 deletions(-) diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index 888b0b6..c5b1fc0 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -123,6 +123,7 @@ typedef struct RateControlContext{ void *non_lavc_opaque; ///< context for non lavc rc code (for example xvid) float dry_run_qscale; ///< for xvid rc + int last_picture_number; ///< for xvid rc }RateControlContext; /** diff --git a/libavcodec/xvid_rc.c b/libavcodec/xvid_rc.c index c19c481..829ad8e 100644 --- a/libavcodec/xvid_rc.c +++ b/libavcodec/xvid_rc.c @@ -44,7 +44,7 @@ int ff_xvid_rate_control_init(MpegEncContext *s){ fd = mkstemp(tmp_name); } - for(i=0; irc_context.num_entries - s->max_b_frames; i++){ + for(i=0; irc_context.num_entries; i++){ static const char *frame_types = " ipbs"; char tmp[256]; RateControlEntry *rce; @@ -53,8 +53,9 @@ int ff_xvid_rate_control_init(MpegEncContext *s){ snprintf(tmp, sizeof(tmp), "%c %d %d %d %d %d %d\n", frame_types[rce->pict_type], (int)lrintf(rce->qscale / FF_QP2LAMBDA), rce->i_count, s->mb_num - rce->i_count - rce->skip_count, - rce->skip_count, (rce->i_tex_bits + rce->p_tex_bits + rce->mv_bits + rce->misc_bits+7)/8, (rce->header_bits+7)/8); + rce->skip_count, (rce->i_tex_bits + rce->p_tex_bits + rce->misc_bits+7)/8, (rce->header_bits+rce->mv_bits+7)/8); +//av_log(NULL, AV_LOG_ERROR, "%s\n", tmp); write(fd, tmp, strlen(tmp)); } @@ -74,7 +75,11 @@ int ff_xvid_rate_control_init(MpegEncContext *s){ xvid_plg_create.fincr= s->avctx->time_base.num; xvid_plg_create.param= &xvid_2pass2; - return xvid_plugin_2pass2(NULL, XVID_PLG_CREATE, &xvid_plg_create, &s->rc_context.non_lavc_opaque); + if(xvid_plugin_2pass2(NULL, XVID_PLG_CREATE, &xvid_plg_create, &s->rc_context.non_lavc_opaque)<0){ + av_log(NULL, AV_LOG_ERROR, "xvid_plugin_2pass2 failed\n"); + return -1; + } + return 0; } float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run){ @@ -94,8 +99,8 @@ float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run){ xvid_plg_data.max_quant[0]= s->avctx->qmax; xvid_plg_data.max_quant[1]= s->avctx->qmax; xvid_plg_data.max_quant[2]= s->avctx->qmax; //FIXME i/b factor & offset - xvid_plg_data.bquant_offset = 100 * s->avctx->b_quant_offset; - xvid_plg_data.bquant_ratio = 100 * s->avctx->b_quant_factor; + xvid_plg_data.bquant_offset = 0; // 100 * s->avctx->b_quant_offset; + xvid_plg_data.bquant_ratio = 100; // * s->avctx->b_quant_factor; #if 0 xvid_plg_data.stats.hlength= X @@ -105,7 +110,7 @@ float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run){ if(s->picture_number){ xvid_plg_data.length= xvid_plg_data.stats.length= (s->frame_bits + 7)/8; - xvid_plg_data.frame_num= s->picture_number - 1; + xvid_plg_data.frame_num= s->rc_context.last_picture_number; xvid_plg_data.quant= s->qscale; xvid_plg_data.type= s->last_pict_type; @@ -114,6 +119,7 @@ float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run){ return -1; } } + s->rc_context.last_picture_number= xvid_plg_data.frame_num= s->picture_number; xvid_plg_data.quant= 0; if(xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_BEFORE, &xvid_plg_data, NULL)){ @@ -126,7 +132,10 @@ float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run){ if(!dry_run) s->rc_context.dry_run_qscale= 0; - return xvid_plg_data.quant * FF_QP2LAMBDA; + if(s->pict_type == B_TYPE) //FIXME this is not exactly identical to xvid + return xvid_plg_data.quant * FF_QP2LAMBDA * s->avctx->b_quant_factor + s->avctx->b_quant_offset; + else + return xvid_plg_data.quant * FF_QP2LAMBDA; } void ff_xvid_rate_control_uninit(MpegEncContext *s){ -- 2.7.4