From patchwork Wed Jul 31 05:05:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Linjie" X-Patchwork-Id: 14162 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 B66F84493B9 for ; Wed, 31 Jul 2019 08:06:46 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 999A668A406; Wed, 31 Jul 2019 08:06:46 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 493876800D8 for ; Wed, 31 Jul 2019 08:06:40 +0300 (EEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jul 2019 22:06:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,328,1559545200"; d="scan'208";a="172324847" Received: from icl-dev.sh.intel.com ([10.239.158.73]) by fmsmga008.fm.intel.com with ESMTP; 30 Jul 2019 22:06:37 -0700 From: Linjie Fu To: ffmpeg-devel@ffmpeg.org Date: Wed, 31 Jul 2019 13:05:58 +0800 Message-Id: <1564549558-25773-1-git-send-email-linjie.fu@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [FFmpeg-devel] [PATCH, v2 3/3] lavc/libvpxenc: add dynamic resolution encode support for libvpx 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" According to spec, libvpx should support dynamic resolution changes. Add dynamic resolution encoding support in libvpx. Format change should also be supported, but I didn't test it so just leave it open. cmdline: ffmpeg -noautoscale -y -i ./reinit-large_420_8-to-small_420_8.h264 -pix_fmt yuv420p -c:v libvpx-vp9 lena.ivf Signed-off-by: Linjie Fu --- [v2]: use AV_CODEC_CAP_PARAM_CHANGE flag. libavcodec/libvpxenc.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c index feb52ea..800ba18 100644 --- a/libavcodec/libvpxenc.c +++ b/libavcodec/libvpxenc.c @@ -1067,6 +1067,15 @@ static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt, int res, coded_size; vpx_enc_frame_flags_t flags = 0; + if (frame && (avctx->width != frame->width || + avctx->height != frame->height)) { + avctx->width = frame->width; + avctx->height = frame->height; + + avctx->codec->close(avctx); + avctx->codec->init(avctx); + } + if (frame) { rawimg = &ctx->rawimg; rawimg->planes[VPX_PLANE_Y] = frame->data[0]; @@ -1295,7 +1304,7 @@ AVCodec ff_libvpx_vp8_encoder = { .init = vp8_init, .encode2 = vpx_encode, .close = vpx_free, - .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS, + .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_PARAM_CHANGE, .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE }, .priv_class = &class_vp8, .defaults = defaults, @@ -1325,7 +1334,7 @@ AVCodec ff_libvpx_vp9_encoder = { .init = vp9_init, .encode2 = vpx_encode, .close = vpx_free, - .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS, + .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_PARAM_CHANGE, .profiles = NULL_IF_CONFIG_SMALL(ff_vp9_profiles), .priv_class = &class_vp9, .defaults = defaults,