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 ESMTPS id 7DD734CC6B for ; Sat, 25 Jan 2025 20:23:57 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B865068B9D3; Sat, 25 Jan 2025 22:22:22 +0200 (EET) Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 8673368B999 for ; Sat, 25 Jan 2025 22:22:10 +0200 (EET) Received: by mail-pl1-f173.google.com with SMTP id d9443c01a7336-2162c0f6a39so78511845ad.0 for ; Sat, 25 Jan 2025 12:22:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1737836528; x=1738441328; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=mTjZFWC7DtY/a0ZAt6AwpJf/8DmG1nvqe/EdSMlMxxE=; b=aIa8fsYz02awWNlwD95lS97sAAh9wPl+m+u4PTD5osunjtcZnkmTE3Jg6sk5XuCEaH QpYgofNucm2M7Mv3RdfkMjo2irB6hPTHE6sfzxS14h1Kmeh0MMDjZTwuy6tvEd3rGWbH T0C7qk80LppYupEv/mZc0IkXgNviHOURctyJfxoINCjAA8J97l/lEd6TZOhAircNrcqy M+Ama4HCzp2lciDZUMrA6IYdCXeueGrfa9ev50fQJmuv8ftsHb5jZkRA/VilvNBe1oTG mKtTvhtWiI0QAbfJEpJSJsMGwyrE7CWSiYkN7fZvIt5xajnZ+IPPTUnUPCYxo1HS4SRd M+oQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737836528; x=1738441328; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mTjZFWC7DtY/a0ZAt6AwpJf/8DmG1nvqe/EdSMlMxxE=; b=G8KI2jVyUGCKn/PbVU7KDCCJtc3hBWfMDphWRiaQZbO1mTHwPOzJWU9/FYIL0/aLdO A46UFYOrCcKICjyyFCbmdrvqa3sUfwqe0GoxK3v0X+MGqO3+9LlaV0IN3r65/Y3mRsuO uOVZS6o2zDYqJ9mFbXq2vdt7k4MCIiJnCtFYuMRG4eqtza++TYfqfA53SweGoPuMGcCf oQcEQiYK6dn2Woo3/isaoYAoh4s0zZ2T1whKloqc9pZRavqNUJbMDWUdildw0ydReOXH SxnWEPSlejSCooQnLBiv9yLHoZQ0XUfyAnsWajPP59Mr/G1gYtdORSn8qpBm3GAprS+v KWYg== X-Gm-Message-State: AOJu0YwsMmq0TzoSCCidTE1/9wAiKN3Xv/KlAT2LqnJ39Ukv7Q0nA/f3 b/ghOP2x40uagobkFeEBJ4Iav9VaWr+lu5TQT2RHz5x2RvgtkSEqKVsLXQ== X-Gm-Gg: ASbGncu1BG4dnRA3Bb7h4TeTnBUZXktQ3vES5YvBUvwuoxeujK4NZejylPFSGAZSC2K 4AdJ6drTRJ9nlR0QcUJ7dNODHtawxkxGtVUU+zi2a/84YE9GZA5m1+4E22vL96vl+nbU9/eTah/ mxfDAb1e9iUS4n8rOQoCkTfLwsDU06ZtrCAj07hhTOVlhn+/HrM6BQDQo1qg470T9qZHUkYQ7a9 lTvPc/PqfrNcUzDQMZnLhlX364ekjSpsG5BQqwhK1YpKgOBxtUyEATOFDrdtN9k4P+5NYnw+geR jSibo1pxQ4P6GGJr12hX9w== X-Google-Smtp-Source: AGHT+IF866unnnJDHRpuN0Fx3bymlrZ1gJwlSWOVTrNVWnOluDnb6rTcVcWGGP/akcL2c0Eehv/SOg== X-Received: by 2002:a17:903:1cf:b0:215:5600:18cc with SMTP id d9443c01a7336-21d99387ff3mr210465755ad.22.1737836528312; Sat, 25 Jan 2025 12:22:08 -0800 (PST) Received: from localhost.localdomain ([2800:2121:b040:c:f188:b333:21cc:e83f]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21da3ea396asm36155335ad.91.2025.01.25.12.22.07 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Jan 2025 12:22:07 -0800 (PST) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Sat, 25 Jan 2025 17:21:36 -0300 Message-ID: <20250125202143.12126-8-jamrial@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250125202143.12126-1-jamrial@gmail.com> References: <20250125202143.12126-1-jamrial@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PoC][PATCH 08/14] avutil/frame: add a param change side data type 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: Similar in purpose as the packet side data of the same name, but for encoders. Signed-off-by: James Almer --- An example of RefCount used for side data, including a copy and uninit callback to handle allocations within the entry. libavutil/frame.h | 14 ++++++++++++++ libavutil/side_data.c | 23 +++++++++++++++++++++++ 2 files changed, 37 insertions(+) diff --git a/libavutil/frame.h b/libavutil/frame.h index 1feb11506a..c677407781 100644 --- a/libavutil/frame.h +++ b/libavutil/frame.h @@ -243,8 +243,22 @@ enum AVFrameSideDataType { * The data is an int storing the view ID. */ AV_FRAME_DATA_VIEW_ID, + + /** + * A side data used to signal an encoder that certain parameters changed. + * The payload is an AVParamChange struct. + */ + AV_FRAME_DATA_PARAM_CHANGE, }; +typedef struct AVParamChange { + /** + * A dictionary filled with options to be passed to an already initialized + * encoder. May contain global and encoder private options. + */ + AVDictionary *opts; +} AVParamChange; + enum AVActiveFormatDescription { AV_AFD_SAME = 8, AV_AFD_4_3 = 9, diff --git a/libavutil/side_data.c b/libavutil/side_data.c index 597228baf1..c156d2bef8 100644 --- a/libavutil/side_data.c +++ b/libavutil/side_data.c @@ -63,6 +63,24 @@ typedef struct FFSideDataDescriptor { size_t size; } FFSideDataDescriptor; +/* Type specific refstruct callbacks */ + +static int copy_param_change(void *_dst, const void *_src) +{ + const AVParamChange *src = _src; + AVParamChange *dst = _dst; + int ret = av_dict_copy(&dst->opts, src->opts, 0); + if (ret < 0) + av_dict_free(&dst->opts); + return ret; +} + +static void uninit_param_change(AVRefStructOpaque opaque, void *obj) +{ + AVParamChange *param = obj; + av_dict_free(¶m->opts); +} + static const FFSideDataDescriptor sd_props[] = { [AV_FRAME_DATA_PANSCAN] = { .p = { "AVPanScan", AV_SIDE_DATA_PROP_STRUCT | AV_SIDE_DATA_PROP_SIZE_DEPENDENT }, .size = sizeof(AVPanScan) }, @@ -88,6 +106,11 @@ static const FFSideDataDescriptor sd_props[] = { [AV_FRAME_DATA_DOVI_METADATA] = { .p = { "Dolby Vision Metadata", AV_SIDE_DATA_PROP_COLOR_DEPENDENT } }, [AV_FRAME_DATA_LCEVC] = { .p = { "LCEVC NAL data", AV_SIDE_DATA_PROP_SIZE_DEPENDENT } }, [AV_FRAME_DATA_VIEW_ID] = { .p = { "View ID" } }, + [AV_FRAME_DATA_PARAM_CHANGE] = { .p = { "Param Change", AV_SIDE_DATA_PROP_STRUCT }, + .props = FF_SIDE_DATA_PROP_REFSTRUCT, + .copy = copy_param_change, + .uninit = uninit_param_change, + .size = sizeof(AVParamChange) }, [AV_FRAME_DATA_STEREO3D] = { .p = { "Stereo 3D", AV_SIDE_DATA_PROP_GLOBAL | AV_SIDE_DATA_PROP_STRUCT }, .size = sizeof(AVStereo3D) }, [AV_FRAME_DATA_REPLAYGAIN] = { .p = { "AVReplayGain", AV_SIDE_DATA_PROP_GLOBAL | AV_SIDE_DATA_PROP_STRUCT }, -- 2.48.1 _______________________________________________ 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".