From patchwork Wed Apr 15 04:53:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Linjie" X-Patchwork-Id: 18963 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 1A4F544B668 for ; Wed, 15 Apr 2020 08:01:53 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0073D68BAC9; Wed, 15 Apr 2020 08:01:53 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D8AF468B9CB for ; Wed, 15 Apr 2020 08:01:45 +0300 (EEST) IronPort-SDR: nurdSdecX0pEcIurk8WhITNmv0+ZFboaqnyj1B/plcMkWjed6vPD5pwM7A1l0AK8c7nXOOVoYY XwPgkRXyixOw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2020 22:01:43 -0700 IronPort-SDR: gu1ZZQig6ooc+xMnvfHinokBgzet8CKySu0P0tngY8cGJBscC9rHllBLyIlzbPARaR/9BaR9TK Vl+wBTOAN89g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,385,1580803200"; d="scan'208";a="288439540" Received: from icl-dev.sh.intel.com ([10.239.158.73]) by fmsmga002.fm.intel.com with ESMTP; 14 Apr 2020 22:01:42 -0700 From: Linjie Fu To: ffmpeg-devel@ffmpeg.org Date: Wed, 15 Apr 2020 12:53:41 +0800 Message-Id: <1586926427-20170-4-git-send-email-linjie.fu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1586926427-20170-1-git-send-email-linjie.fu@intel.com> References: <1586926427-20170-1-git-send-email-linjie.fu@intel.com> Subject: [FFmpeg-devel] [PATCH v4 3/9] lavc/libopenh264enc: add bit rate control select support X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Linjie Fu MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" RC_BITRATE_MODE: set BITS_EXCEEDED to iCurrentBitsLevel and allows QP adjust in RcCalculatePictureQp(). RC_BUFFERBASED_MODE: use buffer status to adjust the video quality. RC_TIMESTAMP_MODE: bit rate control based on timestamp. Default to use RC_QUALITY_MODE. Signed-off-by: Linjie Fu --- libavcodec/libopenh264enc.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c index 57313b1..f994f95 100644 --- a/libavcodec/libopenh264enc.c +++ b/libavcodec/libopenh264enc.c @@ -47,6 +47,9 @@ typedef struct SVCContext { int skip_frames; int skipped; int cabac; + + // rate control mode + int rc_mode; } SVCContext; #define OFFSET(x) offsetof(SVCContext, x) @@ -71,6 +74,13 @@ static const AVOption options[] = { { "max_nal_size", "set maximum NAL size in bytes", OFFSET(max_nal_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, { "allow_skip_frames", "allow skipping frames to hit the target bitrate", OFFSET(skip_frames), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, { "cabac", "Enable cabac", OFFSET(cabac), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, + + { "rc_mode", "Select rate control mode", OFFSET(rc_mode), AV_OPT_TYPE_INT, { .i64 = RC_QUALITY_MODE }, RC_OFF_MODE, RC_TIMESTAMP_MODE, VE, "rc_mode" }, + { "off", "bit rate control off", 0, AV_OPT_TYPE_CONST, { .i64 = RC_OFF_MODE }, 0, 0, VE, "rc_mode" }, + { "quality", "quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = RC_QUALITY_MODE }, 0, 0, VE, "rc_mode" }, + { "bitrate", "bitrate mode", 0, AV_OPT_TYPE_CONST, { .i64 = RC_BITRATE_MODE }, 0, 0, VE, "rc_mode" }, + { "buffer", "using buffer status to adjust the video quality (no bitrate control)", 0, AV_OPT_TYPE_CONST, { .i64 = RC_BUFFERBASED_MODE }, 0, 0, VE, "rc_mode" }, + { "timestamp", "bit rate control based on timestamp", 0, AV_OPT_TYPE_CONST, { .i64 = RC_TIMESTAMP_MODE }, 0, 0, VE, "rc_mode" }, { NULL } }; @@ -134,7 +144,7 @@ FF_ENABLE_DEPRECATION_WARNINGS param.iPicHeight = avctx->height; param.iTargetBitrate = avctx->bit_rate > 0 ? avctx->bit_rate : 2*1000*1000; param.iMaxBitrate = FFMAX(avctx->rc_max_rate, avctx->bit_rate); - param.iRCMode = RC_QUALITY_MODE; + param.iRCMode = s->rc_mode; // QP = 0 is not well supported, so default to (1, 51) param.iMaxQp = avctx->qmax >= 0 ? av_clip(avctx->qmax, 1, 51) : 51; param.iMinQp = avctx->qmin >= 0 ? av_clip(avctx->qmin, 1, param.iMaxQp) : 1;