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 07A404B553 for ; Wed, 21 May 2025 12:51:11 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id E79D768D5A1; Wed, 21 May 2025 15:48:49 +0300 (EEST) Received: from haasn.dev (haasn.dev [78.46.187.166]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 0DA5268D1E7 for ; Wed, 21 May 2025 15:48:32 +0300 (EEST) Received: from haasn.dev (unknown [10.30.1.1]) by haasn.dev (Postfix) with UTF8SMTP id 51AE042A8C; Wed, 21 May 2025 14:48:27 +0200 (CEST) From: Niklas Haas To: ffmpeg-devel@ffmpeg.org Date: Wed, 21 May 2025 14:43:51 +0200 Message-ID: <20250521124824.49657-6-ffmpeg@haasn.xyz> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250521124824.49657-1-ffmpeg@haasn.xyz> References: <20250521124824.49657-1-ffmpeg@haasn.xyz> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v2 05/17] swscale: add SWS_UNSTABLE flag 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: Niklas Haas 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: From: Niklas Haas Give users and developers a way to opt in to the new format conversion code, and more code from the swscale rewrite in general, even while development is still ongoing. --- doc/APIchanges | 3 +++ doc/scaler.texi | 4 ++++ libswscale/options.c | 1 + libswscale/swscale.h | 7 +++++++ libswscale/version.h | 2 +- 5 files changed, 16 insertions(+), 1 deletion(-) diff --git a/doc/APIchanges b/doc/APIchanges index d0869561f3..fb202c7908 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: +2025-04-xx - xxxxxxxxxx - lsws 9.1.100 - swscale.h + Add SWS_UNSTABLE flag. + 2025-02-xx - xxxxxxxxxx - lavfi 10.10.100 - avfilter.h Add avfilter_link_get_hw_frames_ctx(). diff --git a/doc/scaler.texi b/doc/scaler.texi index eb045de6b7..42b2377761 100644 --- a/doc/scaler.texi +++ b/doc/scaler.texi @@ -68,6 +68,10 @@ Select full chroma input. @item bitexact Enable bitexact output. + +@item unstable +Allow the use of experimental new code. May subtly affect the output or even +produce wrong results. For testing only. @end table @item srcw @var{(API only)} diff --git a/libswscale/options.c b/libswscale/options.c index feecae8c89..06e51dcfe9 100644 --- a/libswscale/options.c +++ b/libswscale/options.c @@ -50,6 +50,7 @@ static const AVOption swscale_options[] = { { "full_chroma_inp", "full chroma input", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_FULL_CHR_H_INP }, .flags = VE, .unit = "sws_flags" }, { "bitexact", "bit-exact mode", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_BITEXACT }, .flags = VE, .unit = "sws_flags" }, { "error_diffusion", "error diffusion dither", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_ERROR_DIFFUSION}, .flags = VE, .unit = "sws_flags" }, + { "unstable", "allow experimental new code", 0, AV_OPT_TYPE_CONST, { .i64 = SWS_UNSTABLE }, .flags = VE, .unit = "sws_flags" }, { "param0", "scaler param 0", OFFSET(scaler_params[0]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, VE }, { "param1", "scaler param 1", OFFSET(scaler_params[1]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, VE }, diff --git a/libswscale/swscale.h b/libswscale/swscale.h index b04aa182d2..4aa072009c 100644 --- a/libswscale/swscale.h +++ b/libswscale/swscale.h @@ -155,6 +155,13 @@ typedef enum SwsFlags { SWS_ACCURATE_RND = 1 << 18, SWS_BITEXACT = 1 << 19, + /** + * Allow using experimental new code paths. This may be faster, slower, + * or produce different output, with semantics subject to change at any + * point in time. For testing and debugging purposes only. + */ + SWS_UNSTABLE = 1 << 20, + /** * Deprecated flags. */ diff --git a/libswscale/version.h b/libswscale/version.h index 148efd83eb..4e54701aba 100644 --- a/libswscale/version.h +++ b/libswscale/version.h @@ -28,7 +28,7 @@ #include "version_major.h" -#define LIBSWSCALE_VERSION_MINOR 0 +#define LIBSWSCALE_VERSION_MINOR 1 #define LIBSWSCALE_VERSION_MICRO 100 #define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \ -- 2.49.0 _______________________________________________ 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".