From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id D3AF3442E6 for ; Mon, 5 Dec 2022 22:26:23 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 7012968BCEC; Tue, 6 Dec 2022 00:26:20 +0200 (EET) Received: from btbn.de (btbn.de [136.243.74.85]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 34E3468BC45 for ; Tue, 6 Dec 2022 00:26:14 +0200 (EET) Received: from [authenticated] by btbn.de (Postfix) with ESMTPSA id E26713632EC; Mon, 5 Dec 2022 23:26:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rothenpieler.org; s=mail; t=1670279173; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=pATlMYHR0YchVdgLhMJP4JNdFI/ZjTLyjxS6W/hXSe8=; b=iwDRYggk7Dn4eQEw2MOpJZh9wYp+TuKd+vr0dSCu6qPehb6y9jDnUQpm4/yuutnymt7mX/ oerHZcCsK4P2UxeG+5K+E14zbgObIJ8KMl+CjZi0cr3Y2Z9L6lZii0+RHAEBxZ9fRFSUYu jgVRM2x+ExcDOkOp0Td48fetUQ/6N5/3hmrowMme07qHI4mpNy4HCoxA1oAbM8HIbVABRK h+Cld8DkGRXqaikDYxx1CGx9ygtCtGPyglD4hZ4C16smAtSae04abNs7OJ3MgTpA8aTSwb NBrx0UPRV0rftWLzf//TZcUkGlXDNRN+a81d0pgXFgdrhrPzaCIpaFxVFqv++w== From: Timo Rothenpieler To: ffmpeg-devel@ffmpeg.org Date: Mon, 5 Dec 2022 23:25:58 +0100 Message-Id: <20221205222559.107006-1-timo@rothenpieler.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/2] lavc: add new minimize_copies hwaccel_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: Timo Rothenpieler 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: --- doc/APIchanges | 3 +++ libavcodec/avcodec.h | 11 +++++++++++ libavcodec/options_table.h | 1 + libavcodec/version.h | 2 +- 4 files changed, 16 insertions(+), 1 deletion(-) diff --git a/doc/APIchanges b/doc/APIchanges index ab7ce15fae..9c1f905a61 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -14,6 +14,9 @@ libavutil: 2021-04-27 API changes, most recent first: +2022-12-xx - xxxxxxxxxx - lavc 59.54.101 - avcodec.h + Add AV_HWACCEL_FLAG_MINIMIZE_COPIES. + 2022-11-xx - xxxxxxxxxx - lavu 57.43.100 - tx.h Add AV_TX_FLOAT_DCT, AV_TX_DOUBLE_DCT and AV_TX_INT32_DCT. diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 3edd8e2636..a72551bb5e 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -2253,6 +2253,17 @@ typedef struct AVHWAccel { */ #define AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH (1 << 2) +/** + * Hardware acceleration can have a limited number of direct output surfaces. + * For some processing chains, this can be okay, but others will run into the + * limit and in turn produce very confusing errors. + * + * Thus, the hwaccel will by default make a safety copy. If a users really + * wants to minimize the amount of copies, they can set this flag and ensure + * their chain does not exhaust the surface pool. + */ +#define AV_HWACCEL_FLAG_MINIMIZE_COPIES (1 << 3) + /** * @} */ diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h index cd02f5096f..05e8948bc2 100644 --- a/libavcodec/options_table.h +++ b/libavcodec/options_table.h @@ -399,6 +399,7 @@ static const AVOption avcodec_options[] = { {"ignore_level", "ignore level even if the codec level used is unknown or higher than the maximum supported level reported by the hardware driver", 0, AV_OPT_TYPE_CONST, { .i64 = AV_HWACCEL_FLAG_IGNORE_LEVEL }, INT_MIN, INT_MAX, V | D, "hwaccel_flags" }, {"allow_high_depth", "allow to output YUV pixel formats with a different chroma sampling than 4:2:0 and/or other than 8 bits per component", 0, AV_OPT_TYPE_CONST, {.i64 = AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH }, INT_MIN, INT_MAX, V | D, "hwaccel_flags"}, {"allow_profile_mismatch", "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream", 0, AV_OPT_TYPE_CONST, {.i64 = AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH }, INT_MIN, INT_MAX, V | D, "hwaccel_flags"}, +{"minimize_copies", "minimize number of frame copies at cost of risking surface pool exhaustion", 0, AV_OPT_TYPE_CONST, {.i64 = AV_HWACCEL_FLAG_MINIMIZE_COPIES }, INT_MIN, INT_MAX, V | D, "hwaccel_flags"}, {"extra_hw_frames", "Number of extra hardware frames to allocate for the user", OFFSET(extra_hw_frames), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, V|D }, {"discard_damaged_percentage", "Percentage of damaged samples to discard a frame", OFFSET(discard_damaged_percentage), AV_OPT_TYPE_INT, {.i64 = 95 }, 0, 100, V|D }, {NULL}, diff --git a/libavcodec/version.h b/libavcodec/version.h index d149bc6c46..9e66920593 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -30,7 +30,7 @@ #include "version_major.h" #define LIBAVCODEC_VERSION_MINOR 54 -#define LIBAVCODEC_VERSION_MICRO 100 +#define LIBAVCODEC_VERSION_MICRO 101 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ LIBAVCODEC_VERSION_MINOR, \ -- 2.34.1 _______________________________________________ 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".