From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id F055F4E11A for ; Sun, 6 Jul 2025 22:00:43 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 60017691310; Mon, 7 Jul 2025 01:00:30 +0300 (EEST) Received: from iq.passwd.hu (iq.passwd.hu [217.27.212.140]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id A924769130B for ; Mon, 7 Jul 2025 01:00:24 +0300 (EEST) Received: from localhost (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id 05D52EA94B; Sun, 6 Jul 2025 23:57:47 +0200 (CEST) X-Virus-Scanned: amavisd-new at passwd.hu Received: from iq.passwd.hu ([127.0.0.1]) by localhost (iq.passwd.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2n698KZ2KFmv; Sun, 6 Jul 2025 23:57:45 +0200 (CEST) Received: from bluegene.passwd.hu (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id 6E5FCEB0C5; Sun, 6 Jul 2025 23:57:45 +0200 (CEST) From: Marton Balint To: ffmpeg-devel@ffmpeg.org Date: Mon, 7 Jul 2025 00:00:02 +0200 Message-ID: <20250706220011.5799-2-cus@passwd.hu> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250706220011.5799-1-cus@passwd.hu> References: <20250706220011.5799-1-cus@passwd.hu> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 2/4] avfilter/avfilter: add AVFilterGraph->max_buffered_frames to limit buffered frames X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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: Marton Balint Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Signed-off-by: Marton Balint --- doc/APIchanges | 3 +++ libavfilter/avfilter.h | 8 ++++++++ libavfilter/avfiltergraph.c | 4 ++++ libavfilter/version.h | 2 +- 4 files changed, 16 insertions(+), 1 deletion(-) diff --git a/doc/APIchanges b/doc/APIchanges index 9c03e541fd..797879f769 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -2,6 +2,9 @@ The last version increases of all libraries were on 2025-03-28 API changes, most recent first: +2025-07-xx - xxxxxxxxxd - lavfi 11.2.100 - avfilter.h + Add AVFilterGraph->max_buffered_frames. + 2025-07-01 - 39d5a998bd - lavc 62.4.101 - packet.h Add AV_PKT_DATA_3D_REFERENCE_DISPLAYS. diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h index f85929dc5c..d2571b1404 100644 --- a/libavfilter/avfilter.h +++ b/libavfilter/avfilter.h @@ -629,6 +629,14 @@ typedef struct AVFilterGraph { avfilter_execute_func *execute; char *aresample_swr_opts; ///< swr options to use for the auto-inserted aresample filters, Access ONLY through AVOptions + + /** + * Sets the maximum number of buffered frames in the filtergraph combined. + * + * Zero means no limit. This field must be set before calling + * avfilter_graph_config(). + */ + unsigned max_buffered_frames; } AVFilterGraph; /** diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c index 38b89db22a..86da0b9975 100644 --- a/libavfilter/avfiltergraph.c +++ b/libavfilter/avfiltergraph.c @@ -56,6 +56,8 @@ static const AVOption filtergraph_options[] = { AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, F|V }, {"aresample_swr_opts" , "default aresample filter options" , OFFSET(aresample_swr_opts) , AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, F|A }, + {"max_buffered_frames" , "maximum number of buffered frames allowed", OFFSET(max_buffered_frames), + AV_OPT_TYPE_UINT, {.i64 = 0}, 0, UINT_MAX, F|V|A }, { NULL }, }; @@ -1296,6 +1298,8 @@ int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx) { int ret; + if (graphctx->max_buffered_frames) + fffiltergraph(graphctx)->frame_queues.max_queued = graphctx->max_buffered_frames; if ((ret = graph_check_validity(graphctx, log_ctx))) return ret; if ((ret = graph_config_formats(graphctx, log_ctx))) diff --git a/libavfilter/version.h b/libavfilter/version.h index 1e884d9b44..bece922c7f 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -31,7 +31,7 @@ #include "version_major.h" -#define LIBAVFILTER_VERSION_MINOR 1 +#define LIBAVFILTER_VERSION_MINOR 2 #define LIBAVFILTER_VERSION_MICRO 100 -- 2.43.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".