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 EEC2E48CF2 for ; Fri, 23 Feb 2024 14:33:57 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id A939768C9E5; Fri, 23 Feb 2024 16:31:53 +0200 (EET) Received: from mail1.khirnov.net (quelana.khirnov.net [94.230.150.81]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id BA4EF68C65D for ; Fri, 23 Feb 2024 16:31:35 +0200 (EET) Authentication-Results: mail1.khirnov.net; dkim=pass (2048-bit key; unprotected) header.d=khirnov.net header.i=@khirnov.net header.a=rsa-sha256 header.s=mail header.b=f0fPwsZ/; dkim-atps=neutral Received: from localhost (mail1.khirnov.net [IPv6:::1]) by mail1.khirnov.net (Postfix) with ESMTP id 002BC4D3C for ; Fri, 23 Feb 2024 15:31:32 +0100 (CET) Received: from mail1.khirnov.net ([IPv6:::1]) by localhost (mail1.khirnov.net [IPv6:::1]) (amavis, port 10024) with ESMTP id ztpFDsFXWywZ for ; Fri, 23 Feb 2024 15:31:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=khirnov.net; s=mail; t=1708698687; bh=dcAxA+wc/op5mFV2XxZpDbA4aVJqBZrfH9vMQdLcyhM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=f0fPwsZ/2IgapryeG3A6atZTzRTT25MTkT5nbhkIhBvzr47Sr0UaR/Peo3ubOHmFW FN8IfTV3NnBKO6YmAuCz5rr235zp1Od+jnFy5ySDXdXfKVqZSNAHc92bv9oj8/obeA usRH5j/MiL4jHcIV9F2FbVnGi3t1dR26TcL715PuDkBYd97xQJKNjXx0giXPBeuwiI wyAy8mRbJJWaIzKoRnrHPjr/rCIDcDvUI7vz7Bkx0XLHblosyc59Jm7xjQwrhu5KrW rhUyJ7zz8MuQYxFB9c6YQT36w+TtILP0GvHM3wtHmLip9keYPxLyydffd6qBzZQhlY CqH05HI7DKvmw== Received: from libav.khirnov.net (libav.khirnov.net [IPv6:2a00:c500:561:201::7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "libav.khirnov.net", Issuer "smtp.khirnov.net SMTP CA" (verified OK)) by mail1.khirnov.net (Postfix) with ESMTPS id 8AD234D48 for ; Fri, 23 Feb 2024 15:31:27 +0100 (CET) Received: from libav.khirnov.net (libav.khirnov.net [IPv6:::1]) by libav.khirnov.net (Postfix) with ESMTP id 8D4163A1DFE for ; Fri, 23 Feb 2024 15:31:22 +0100 (CET) From: Anton Khirnov To: ffmpeg-devel@ffmpeg.org Date: Fri, 23 Feb 2024 14:58:38 +0100 Message-ID: <20240223143115.16521-17-anton@khirnov.net> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240223143115.16521-1-anton@khirnov.net> References: <20240223143115.16521-1-anton@khirnov.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 16/38] lavc: add a decoder option for configuring side data preference 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 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: This and the following commits fix #10857 --- doc/APIchanges | 3 +++ libavcodec/avcodec.h | 20 ++++++++++++++++++++ libavcodec/decode.c | 36 ++++++++++++++++++++++++++++++++++++ libavcodec/options_table.h | 12 ++++++++++++ 4 files changed, 71 insertions(+) diff --git a/doc/APIchanges b/doc/APIchanges index 371fd2f465..78744a674a 100644 --- a/doc/APIchanges +++ b/doc/APIchanges @@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09 API changes, most recent first: +2024-02-xx - xxxxxxxxxx - lavc 60.xx.100 - avcodec.h + Add AVCodecContext.[nb_]side_data_prefer_global. + 2024-02-xx - xxxxxxxxxx - lavu 58.xx.100 - opt.h Add AV_OPT_FLAG_ARRAY and AVOption.array_max_size. diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 43859251cc..307a3e99db 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -2120,6 +2120,26 @@ typedef struct AVCodecContext { * an error. */ int64_t frame_num; + + /** + * Decoding only. May be set by the caller before avcodec_open2() to an + * av_malloc()'ed array (or via AVOptions). Owned and freed by the decoder + * afterwards. + * + * By default, when some side data type is present both in global + * user-supplied coded_side_data and inside the coded bitstream, avcodec + * will propagate the latter to the decoded frame. + * + * This array contains a list of AVPacketSideDataType for which this + * preference should be switched, i.e. avcodec will prefer global side data + * over those in stored in the bytestream. It may also contain a single -1, + * in which case the preference is switched for all side data types. + */ + int *side_data_prefer_global; + /** + * Number of entries in side_data_prefer_global. + */ + unsigned nb_side_data_prefer_global; } AVCodecContext; /** diff --git a/libavcodec/decode.c b/libavcodec/decode.c index da6446d879..5524e229c2 100644 --- a/libavcodec/decode.c +++ b/libavcodec/decode.c @@ -60,6 +60,12 @@ typedef struct DecodeContext { * The caller has submitted a NULL packet on input. */ int draining_started; + + /** + * Bitmask indicating for which side data types we prefer global + * side data over per-packet. + */ + uint64_t side_data_pref_mask; } DecodeContext; static DecodeContext *decode_ctx(AVCodecInternal *avci) @@ -1744,6 +1750,7 @@ int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags) int ff_decode_preinit(AVCodecContext *avctx) { AVCodecInternal *avci = avctx->internal; + DecodeContext *dc = decode_ctx(avci); int ret = 0; /* if the decoder init function was already called previously, @@ -1804,6 +1811,35 @@ int ff_decode_preinit(AVCodecContext *avctx) avctx->export_side_data |= AV_CODEC_EXPORT_DATA_MVS; } + if (avctx->nb_side_data_prefer_global == 1 && + avctx->side_data_prefer_global[0] == -1) + dc->side_data_pref_mask = ~0ULL; + else { + for (unsigned i = 0; i < avctx->nb_side_data_prefer_global; i++) { + int val = avctx->side_data_prefer_global[i]; + + if (val < 0 || val >= AV_PKT_DATA_NB) { + av_log(avctx, AV_LOG_ERROR, "Invalid side data type: %d\n", val); + return AVERROR(EINVAL); + } + + for (unsigned j = 0; j < FF_ARRAY_ELEMS(sd_global_map); j++) { + if (sd_global_map[j].packet == val) { + val = sd_global_map[j].frame; + + // this code will need to be changed when we have more than + // 64 frame side data types + if (val >= 64) { + av_log(avctx, AV_LOG_ERROR, "Side data type too big\n"); + return AVERROR_BUG; + } + + dc->side_data_pref_mask |= 1ULL << val; + } + } + } + } + avci->in_pkt = av_packet_alloc(); avci->last_pkt_props = av_packet_alloc(); if (!avci->in_pkt || !avci->last_pkt_props) diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h index ac32d8928a..2f4f60218c 100644 --- a/libavcodec/options_table.h +++ b/libavcodec/options_table.h @@ -41,6 +41,7 @@ #define E AV_OPT_FLAG_ENCODING_PARAM #define D AV_OPT_FLAG_DECODING_PARAM #define CC AV_OPT_FLAG_CHILD_CONSTS +#define AR AV_OPT_FLAG_ARRAY #define AV_CODEC_DEFAULT_BITRATE 200*1000 @@ -405,6 +406,17 @@ static const AVOption avcodec_options[] = { {"unsafe_output", "allow potentially unsafe hwaccel frame output that might require special care to process successfully", 0, AV_OPT_TYPE_CONST, {.i64 = AV_HWACCEL_FLAG_UNSAFE_OUTPUT }, INT_MIN, INT_MAX, V | D, .unit = "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 }, +{"side_data_prefer_global", "Comma-separated list of side data types for which global headers are preferred over frame-level data", + OFFSET(side_data_prefer_global), AV_OPT_TYPE_INT, .min = -1, .max = INT_MAX, .flags = V|A|S|D|AR, .unit = "side_data_pkt" }, + {"replaygain", .default_val.i64 = AV_PKT_DATA_REPLAYGAIN, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"displaymatrix", .default_val.i64 = AV_PKT_DATA_DISPLAYMATRIX, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"spherical", .default_val.i64 = AV_PKT_DATA_SPHERICAL, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"stereo3d", .default_val.i64 = AV_PKT_DATA_STEREO3D, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"audio_service_type", .default_val.i64 = AV_PKT_DATA_AUDIO_SERVICE_TYPE, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"mastering_display_metadata", .default_val.i64 = AV_PKT_DATA_MASTERING_DISPLAY_METADATA, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"content_light_level", .default_val.i64 = AV_PKT_DATA_CONTENT_LIGHT_LEVEL, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"icc_profile", .default_val.i64 = AV_PKT_DATA_ICC_PROFILE, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, + {"dynamic_hdr10_plus", .default_val.i64 = AV_PKT_DATA_DYNAMIC_HDR10_PLUS, .type = AV_OPT_TYPE_CONST, .flags = A|D, .unit = "side_data_pkt" }, {NULL}, }; -- 2.42.0 _______________________________________________ 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".