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 35167479AB for ; Mon, 19 May 2025 12:16:24 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 3037668D6B6; Mon, 19 May 2025 15:16:22 +0300 (EEST) Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id 1CBBA68D69D for ; Mon, 19 May 2025 15:16:19 +0300 (EEST) Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-742c73f82dfso909197b3a.2 for ; Mon, 19 May 2025 05:16:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1747656978; x=1748261778; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=6Ib2Wvt/VJg7uCgR4FV4koKA4XrOm06T+cR0BNzpGSk=; b=Hw2SllLeMZYAlk+fmaplSn4SsaWGpVZxqwQv9lBqIhHQ1mo1gcD4XryihJgPyy7v/A uFDtKVAc3j0X2nYwye+gnZyPH2zPUswwvkay/kwKj0/n8Qa26vjE5/Cc6sk/BzmxL+k6 GxP3rKLthvZyB4cC4x5nhFBsdZYPFjWGTwK5DcEAKOoXjkWrTcYhU0O7yRtYsFydVp0c 9T++6bO3gbNaDYxUsS+KGlK7IkvxbNajiv18R3/n5O8Qr0mHHWgBTC+MQWahkb05oI11 pTWoBT+WGBpQBK3HsBugv18CLG730a9COnIWRvNq3Bw4rqrPJ350EekKDQzSbYVfdQcE UUag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747656978; x=1748261778; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6Ib2Wvt/VJg7uCgR4FV4koKA4XrOm06T+cR0BNzpGSk=; b=JRiXSwW4k1bvyFxVUUKUGOhtW861sS+Y+pcyvmp6Mw4cmw8tJYe6fy44KxSQ+YxuSH /gyr0UvfQnBA2F+YtZVYSkOB3qdShhtXN76RIzncdWzHj9oNmkPvM++FUZACvIv0qJO7 v8TEzVTQX/OnAVjPRzkdo2OdG9iZ/NpvANHY5hls5XkyyHFXzQ0lC9vG6GChkDKo0yOp rcJyk1/+vHTI85WgL/C3C2dXhP1iUirKg2Za+bxsUJ+6qZS1yuGhc3kMeAhEY628F8uF YgcG4KHbz3nkfxkWQkG5sM3Whlqo2w4GjksV9nU9btKEUz4B5MWLgEXT4Mkx6pmXgvYh CUYw== X-Gm-Message-State: AOJu0YzRzCUrHqljaQ/ZuDEJ41K70G5szFaYMO2GUArLlQXnLF6ceuFO QgzquweAlHfmTeDvoszYuvF6g12MmlMqlHlqbAQqETQ2CRfcbvwGU5xRN/QD5w== X-Gm-Gg: ASbGncs6nLSx/m+11rZUI9AAdTscKWJ+g8cwL9x/DDqM5axiT2KsuReFCs8PMqYXfez QHP7TglOUH+zexcR4nL+wP5wH3JzozHAKDaDeu9PoB8ooJWuZzjzA3KehqZ1xvteURIhwgvWyXU m7QG6LRoyhaCZLsLF9acmRTyu31+gJqk19fEI2NFJkmg/Y1kqhfw242ZShRx3hY72otyafut6ap F8r5vtV7rdaafX9OvrV2AwUGD/GEZwGWQPIb22Si3PYB37ZC2V85IwZ0uNSWakS7YgmAPsmxpi4 t9uZj7LbjSvIAm9E5APheDJtDHsl1lcQGMlVT6w1WX4XwpGnlUuIfKXZQDdS4m7tTho= X-Google-Smtp-Source: AGHT+IFFckUXs+HK87b3k7eeS63Sl4u4XdmHcuwPar/KDsImPenKPwIqtN/671h16sH/Ex16uZGa2g== X-Received: by 2002:a05:6a00:2786:b0:737:6d4b:f5f8 with SMTP id d2e1a72fcca58-742a989b00cmr15981902b3a.17.1747656977791; Mon, 19 May 2025 05:16:17 -0700 (PDT) Received: from chenyu29.mioffice.cn ([43.224.245.247]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-742a9876d39sm6238897b3a.146.2025.05.19.05.16.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 May 2025 05:16:17 -0700 (PDT) From: chenyu202107@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Mon, 19 May 2025 20:15:37 +0800 Message-Id: <20250519121537.509658-2-chenyu202107@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250519121537.509658-1-chenyu202107@gmail.com> References: <20250519121537.509658-1-chenyu202107@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/1] [ffmpeg-deve] avcodec/mpegaudiodec optimizing code size 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: chenyu 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: chenyu Optimizing 160k code size by converting static array to dynamic malloc memory. Signed-off-by: chenyu --- libavcodec/mpegaudiodata.h | 4 ++-- libavcodec/mpegaudiodec_common_tablegen.h | 10 ++++++++-- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/libavcodec/mpegaudiodata.h b/libavcodec/mpegaudiodata.h index 720c4bee64..6dfb74cd01 100644 --- a/libavcodec/mpegaudiodata.h +++ b/libavcodec/mpegaudiodata.h @@ -50,8 +50,8 @@ extern const unsigned char * const ff_mpa_alloc_tables[5]; extern const int8_t ff_table_4_3_exp [TABLE_4_3_SIZE]; extern const uint32_t ff_table_4_3_value[TABLE_4_3_SIZE]; #else -extern int8_t ff_table_4_3_exp [TABLE_4_3_SIZE]; -extern uint32_t ff_table_4_3_value[TABLE_4_3_SIZE]; +extern int8_t *ff_table_4_3_exp; +extern uint32_t *ff_table_4_3_value; #endif /* VLCs for decoding layer 3 huffman tables */ diff --git a/libavcodec/mpegaudiodec_common_tablegen.h b/libavcodec/mpegaudiodec_common_tablegen.h index bf402c9d84..66e93df27f 100644 --- a/libavcodec/mpegaudiodec_common_tablegen.h +++ b/libavcodec/mpegaudiodec_common_tablegen.h @@ -34,9 +34,10 @@ #else #include #include "libavutil/attributes.h" +#include "libavutil/mem.h" -int8_t ff_table_4_3_exp [TABLE_4_3_SIZE]; -uint32_t ff_table_4_3_value[TABLE_4_3_SIZE]; +int8_t *ff_table_4_3_exp; +uint32_t *ff_table_4_3_value; #define FRAC_BITS 23 #define IMDCT_SCALAR 1.759 @@ -51,6 +52,11 @@ static av_cold void mpegaudiodec_common_tableinit(void) }; double pow43_val = 0; +#if !CONFIG_HARDCODED_TABLES + ff_table_4_3_exp = (int8_t *)av_calloc(TABLE_4_3_SIZE, sizeof(int8_t)); + ff_table_4_3_value = (uint32_t *)av_calloc(TABLE_4_3_SIZE, sizeof(uint32_t)); +#endif + for (int i = 1; i < TABLE_4_3_SIZE; i++) { double f, fm; int e, m; -- 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".