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 9D1E248D67 for ; Sat, 25 May 2024 02:28:36 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id AFAF968D5BE; Sat, 25 May 2024 05:28:24 +0300 (EEST) Received: from vidala.lynne.ee (vidala.pars.ee [116.203.72.101]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 55E9E68D22E for ; Sat, 25 May 2024 05:28:17 +0300 (EEST) To: ffmpeg-devel@ffmpeg.org Date: Sat, 25 May 2024 04:27:53 +0200 Message-ID: <20240525022813.2292001-1-dev@lynne.ee> X-Mailer: git-send-email 2.43.0.381.gb435a96ce8 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v3 00/10] aacdec: add a native xHE-AAC decoder 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: , From: Lynne via ffmpeg-devel Reply-To: FFmpeg development discussions and patches Cc: Lynne 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 commit adds a decoder for the frequency-domain part of USAC. SBR is as of now not yet supported, will be added with a future patch. A known issue is that preroll frames (usually present quite often within the file, as xHE-AAC has real keyframes and I-frames) can cause artifacts. Lynne (10): channel_layout: add new channel positions supported by xHE-AAC aacdec: move from scalefactor ranged arrays to flat arrays aacdec: expose channel layout related functions aacdec: expose decode_tns aacdec_dsp: implement 768-point transform and windowing aactab: add deemphasis tables for USAC aactab: add tables for the new USAC arithmetic coder aactab: add new scalefactor offset tables for 96/768pt windows aacdec: add a decoder for AAC USAC (xHE-AAC) fate: add tests for xHE-AAC libavcodec/aac/Makefile | 3 +- libavcodec/aac/aacdec.c | 371 +++--- libavcodec/aac/aacdec.h | 219 +++- libavcodec/aac/aacdec_ac.c | 208 ++++ libavcodec/aac/aacdec_ac.h | 54 + libavcodec/aac/aacdec_dsp_template.c | 162 ++- libavcodec/aac/aacdec_fixed.c | 2 + libavcodec/aac/aacdec_float.c | 4 + libavcodec/aac/aacdec_latm.h | 14 +- libavcodec/aac/aacdec_lpd.c | 198 ++++ libavcodec/aac/aacdec_lpd.h | 33 + libavcodec/aac/aacdec_usac.c | 1592 ++++++++++++++++++++++++++ libavcodec/aac/aacdec_usac.h | 37 + libavcodec/aactab.c | 560 +++++++++ libavcodec/aactab.h | 22 + libavcodec/sinewin_fixed_tablegen.c | 2 + libavcodec/sinewin_fixed_tablegen.h | 4 + libavutil/channel_layout.h | 4 + tests/fate/aac.mak | 8 + 19 files changed, 3262 insertions(+), 235 deletions(-) create mode 100644 libavcodec/aac/aacdec_ac.c create mode 100644 libavcodec/aac/aacdec_ac.h create mode 100644 libavcodec/aac/aacdec_lpd.c create mode 100644 libavcodec/aac/aacdec_lpd.h create mode 100644 libavcodec/aac/aacdec_usac.c create mode 100644 libavcodec/aac/aacdec_usac.h -- 2.43.0.381.gb435a96ce8 _______________________________________________ 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".