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[79.124.17.100]) by mx.google.com with ESMTP id v5si8244253wrg.72.2018.01.09.15.58.00; Tue, 09 Jan 2018 15:58:02 -0800 (PST) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20161025 header.b=qb2dS/eF; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 384DD689F2D; Wed, 10 Jan 2018 01:57:58 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-lf0-f41.google.com (mail-lf0-f41.google.com [209.85.215.41]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 7CE62689223 for ; Wed, 10 Jan 2018 01:57:52 +0200 (EET) Received: by mail-lf0-f41.google.com with SMTP id a12so17823184lfe.13 for ; Tue, 09 Jan 2018 15:57:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Fmtpn/Wz9+IKGlj2cyzx9IPVapweu0dlHIsi79ciF4U=; b=qb2dS/eFK0JY6E6c0tTjdtGmky8LxFwIkPW+g7T0whPUBh2GWsJPacls2Jp2eWiw3k wVu/tsgZwOGvHcgESkhCd2hf6STwDuuSedKThXWI7I+667IkUl8zmE8kOjRKqHdePFIk cwYw14T0+ZOEF87t/vytEDbnfYSWdrLuu91479KeYs9t4ei2S/hvKOB5LFQdLGmr/huB wOfDOU15SUlLr6wwjoATCC93BYWQB2ph+louThSZ5NvF1B4YHyH/UtPYm4zF+oFWUcH4 tRGKdbQh3poNAVW0oWO5LYm02xc3zvdM13RftiSHsIzAr9lDS6yqs5ervA+DUug41iiU PZ1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Fmtpn/Wz9+IKGlj2cyzx9IPVapweu0dlHIsi79ciF4U=; b=JdrPiPAY5y6BiRIrj+VpJ7y2fEzDIFGb/X8qT7/WSyfK051zHGfk4HW2kngd4Os+Ny QodeKI7FznkToIPtXJs9BYlMIOI5rqAA8uGk5U3fQdKq31nnN/y4c2oqs4gtH2ACbDt1 59qZCOtUQk0vZaqgQVok1dNvXohB0YTPxrtwmCsSpmhPHeyymAGJaV7GMZr6zn0XmhvU m2NlS8ANa+4HUTsnI4G9Dwv6tfbwW1bqp9+RETMBMHJrey+fzZMGeMcKMwiQGoq/rsg1 qIeiCUkEBLmCvuFhYgp54aSWvtAiAWYhK3X10yH7GEeZXEdVqCUlnE1+hZhHquxqqDrW 8+1w== X-Gm-Message-State: AKwxytfkqlCWXI/aiZFSacMeF67WbGWjvp23sVoTDbNgDrqxN2abpAP+ /l4fVhm11/x6gxQFxiyy0KgqfhKe X-Received: by 10.25.31.9 with SMTP id f9mr5572662lff.68.1515541840449; Tue, 09 Jan 2018 15:50:40 -0800 (PST) Received: from localhost.localdomain ([193.25.7.30]) by smtp.gmail.com with ESMTPSA id w62sm3085213lje.59.2018.01.09.15.50.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 09 Jan 2018 15:50:39 -0800 (PST) From: dmitry.gumenyuk@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Wed, 10 Jan 2018 00:49:51 +0100 Message-Id: <20180109234951.50933-1-dmitry.gumenyuk@gmail.com> X-Mailer: git-send-email 2.14.3 (Apple Git-98) MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] add dumpwave filter X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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: Dmytro Humeniuk Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Dmytro Humeniuk Signed-off-by: Dmytro Humeniuk --- Changelog | 1 + doc/filters.texi | 23 ++++ libavfilter/Makefile | 1 + libavfilter/af_dumpwave.c | 285 +++++++++++++++++++++++++++++++++++++++++ libavfilter/allfilters.c | 1 + libavfilter/version.h | 4 +- tests/fate/filter-audio.mak | 5 + tests/ref/fate/filter-dumpwave | 1 + 8 files changed, 319 insertions(+), 2 deletions(-) create mode 100644 libavfilter/af_dumpwave.c create mode 100644 tests/ref/fate/filter-dumpwave diff --git a/Changelog b/Changelog index 61075b3392..40fd624449 100644 --- a/Changelog +++ b/Changelog @@ -38,6 +38,7 @@ version : - Removed the ffserver program - Removed the ffmenc and ffmdec muxer and demuxer - VideoToolbox HEVC encoder and hwaccel +- dumpwave audio filter version 3.4: diff --git a/doc/filters.texi b/doc/filters.texi index d29c40080f..98e54aec6e 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -2529,6 +2529,29 @@ Optional. It should have a value much less than 1 (e.g. 0.05 or 0.02) and is used to prevent clipping. @end table +@section dumpwave +Dumps RMS amplitude to JSON file. +Converts samples to decibels and calculates RMS (Root-Mean-Square) audio power scaled to desired values. + +@table @option +@item d +Dimensions @code{WxH}. +@code{W} - number of data values in json, values will be scaled according to @code{H}. +The default value is @var{640x480} + +@item s +Samples count per value per channel + +@item json +Path to json file +@end table + +For example, to generate RMS amplitude for 44.1 kHz 6 seconds length audio +with dimensions @var{1800x140}, samples count @code{44100*6/1800=147} and store it to @var{/tmp/out.json}, you might use: +@example +dumpwave=d=1800x140:s=147:json=/tmp/out.json +@end example + @section dynaudnorm Dynamic Audio Normalizer. diff --git a/libavfilter/Makefile b/libavfilter/Makefile index ef4729dd3f..2ffbc9497a 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -87,6 +87,7 @@ OBJS-$(CONFIG_COMPENSATIONDELAY_FILTER) += af_compensationdelay.o OBJS-$(CONFIG_CROSSFEED_FILTER) += af_crossfeed.o OBJS-$(CONFIG_CRYSTALIZER_FILTER) += af_crystalizer.o OBJS-$(CONFIG_DCSHIFT_FILTER) += af_dcshift.o +OBJS-$(CONFIG_DUMPWAVE_FILTER) += af_dumpwave.o OBJS-$(CONFIG_DYNAUDNORM_FILTER) += af_dynaudnorm.o OBJS-$(CONFIG_EARWAX_FILTER) += af_earwax.o OBJS-$(CONFIG_EBUR128_FILTER) += f_ebur128.o diff --git a/libavfilter/af_dumpwave.c b/libavfilter/af_dumpwave.c new file mode 100644 index 0000000000..a1aa33d090 --- /dev/null +++ b/libavfilter/af_dumpwave.c @@ -0,0 +1,285 @@ +/* + * Copyright (c) 2017 Dmytro Humeniuk + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * waveform audio filter – dumps RMS amplitude to JSON file like SoundCloud does + */ + +#include "libavutil/avassert.h" +#include "libavutil/avstring.h" +#include "libavutil/channel_layout.h" +#include "libavutil/opt.h" +#include "libavutil/parseutils.h" +#include "avfilter.h" +#include "formats.h" +#include "audio.h" +#include "internal.h" + +typedef struct DumpWaveContext { + const AVClass *class; /**< class for AVOptions */ + int w; /**< number of data values in json */ + int h; /**< values will be scaled according to provided */ + int is_disabled; /**< disable filter in case it's misconfigured */ + int i; /**< index of value */ + char *json; /**< path to json */ + char *str; /**< comma separated values */ + double *values; /**< scaling factors */ + int64_t s; /**< samples per value per channel */ + int64_t n; /**< current number of samples counted */ + int64_t max_samples; /**< samples per value */ + double sum; /**< sum of the squared samples per value */ +} DumpWaveContext; + +#define OFFSET(x) offsetof(DumpWaveContext, x) +#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM + +static const AVOption dumpwave_options[] = { + { "d", "set width and height", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "640x480"}, 0, 0, FLAGS }, + { "s", "set number of samples per value per channel", OFFSET(s), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, FLAGS }, + { "json", "set json dump file", OFFSET(json), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(dumpwave); + +static av_cold int init(AVFilterContext *ctx) +{ + DumpWaveContext *dumpwave = ctx->priv; + if(!dumpwave->s) { + dumpwave->is_disabled = 1; + av_log(ctx, AV_LOG_ERROR, "Invalid samples per value config\n"); + } + return 0; +} + +static av_cold void uninit(AVFilterContext *ctx) +{ + DumpWaveContext *dumpwave = ctx->priv; + av_freep(&dumpwave->str); + av_freep(&dumpwave->values); +} + +static int config_output(AVFilterLink *outlink) +{ + AVFilterContext *ctx = outlink->src; + DumpWaveContext *dumpwave = ctx->priv; + const int width = dumpwave->w; + dumpwave->values = av_realloc(NULL, width * sizeof(double)); + dumpwave->str = av_realloc(NULL, width * sizeof(int)); + dumpwave->max_samples = dumpwave->s * outlink->channels; + + return 0; +} + +static int dumpwave_request_frame(AVFilterLink *outlink) +{ + AVFilterContext *ctx = outlink->src; + DumpWaveContext *dumpwave = ctx->priv; + const int width = dumpwave->w; + const int height = dumpwave->h; + char *p, *result = dumpwave->str; + FILE *dump_fp = NULL; + + AVFilterLink *inlink = ctx->inputs[0]; + int ret; + + ret = ff_request_frame(inlink); + + if (ret == AVERROR_EOF && !dumpwave->is_disabled) { + p = result; + + for(int i = 0; i < width; i++) + p += sprintf(p, "%d,", av_clip(dumpwave->h * dumpwave->values[i], 0, dumpwave->h)); + + p[-1] = '\0'; //removing trailing comma + + if (dumpwave->json && !(dump_fp = av_fopen_utf8(dumpwave->json, "w"))) + av_log(ctx, AV_LOG_WARNING, "Flushing dump failed\n"); + + if (dump_fp) { + fprintf(dump_fp, "{\"width\":%d,\"height\":%d,\"samples\":[%s]}", width, height, result); + fclose(dump_fp); + } + } + + return ret; +} + +/** + * Converts sample to dB and calculates root mean squared value + */ +static inline void dbRms(DumpWaveContext *dumpwave, double smpl) +{ + if (smpl != 0) + smpl = (20 * log10(fabs(smpl)) + 60) / 60; + + dumpwave->sum += smpl * smpl; + + if (dumpwave->n++ == dumpwave->max_samples) { + dumpwave->values[dumpwave->i++] = av_clipd(sqrt(dumpwave->sum / dumpwave->max_samples), 0, 1.0); + dumpwave->sum = dumpwave->n = 0; + } +} + +static int dumpwave_filter_frame(AVFilterLink *inlink, AVFrame *buf) +{ + AVFilterContext *ctx = inlink->dst; + DumpWaveContext *dumpwave = ctx->priv; + const int channels = inlink->channels; + + int i, c; + + if (dumpwave->is_disabled) + goto end; + + switch (inlink->format) { + case AV_SAMPLE_FMT_DBLP: + for (c = 0; c < channels; c++) { + const double *src = (const double *)buf->extended_data[c]; + + for (i = 0; i < buf->nb_samples; i++, src++) + dbRms(dumpwave, *src); + } + break; + case AV_SAMPLE_FMT_DBL: { + const double *src = (const double *)buf->extended_data[0]; + + for (i = 0; i < buf->nb_samples; i++) { + for (c = 0; c < channels; c++, src++) + dbRms(dumpwave, *src); + }} + break; + case AV_SAMPLE_FMT_FLTP: + for (c = 0; c < channels; c++) { + const float *src = (const float *)buf->extended_data[c]; + + for (i = 0; i < buf->nb_samples; i++, src++) + dbRms(dumpwave, *src); + } + break; + case AV_SAMPLE_FMT_FLT: { + const float *src = (const float *)buf->extended_data[0]; + + for (i = 0; i < buf->nb_samples; i++) { + for (c = 0; c < channels; c++, src++) + dbRms(dumpwave, *src); + }} + break; + case AV_SAMPLE_FMT_S64P: + for (c = 0; c < channels; c++) { + const int64_t *src = (const int64_t *)buf->extended_data[c]; + + for (i = 0; i < buf->nb_samples; i++, src++) + dbRms(dumpwave, *src / (double)INT64_MAX); + } + break; + case AV_SAMPLE_FMT_S64: { + const int64_t *src = (const int64_t *)buf->extended_data[0]; + + for (i = 0; i < buf->nb_samples; i++) { + for (c = 0; c < channels; c++, src++) + dbRms(dumpwave, *src / (double)INT64_MAX); + }} + break; + case AV_SAMPLE_FMT_S32P: + for (c = 0; c < channels; c++) { + const int32_t *src = (const int32_t *)buf->extended_data[c]; + + for (i = 0; i < buf->nb_samples; i++, src++) + dbRms(dumpwave, *src / (double)INT32_MAX); + } + break; + case AV_SAMPLE_FMT_S32: { + const int32_t *src = (const int32_t *)buf->extended_data[0]; + + for (i = 0; i < buf->nb_samples; i++) { + for (c = 0; c < channels; c++, src++) + dbRms(dumpwave, *src / (double)INT32_MAX); + }} + break; + case AV_SAMPLE_FMT_S16P: + for (c = 0; c < channels; c++) { + const int16_t *src = (const int16_t *)buf->extended_data[c]; + + for (i = 0; i < buf->nb_samples; i++, src++) + dbRms(dumpwave, *src / (double)INT16_MAX); + } + break; + case AV_SAMPLE_FMT_S16: { + const int16_t *src = (const int16_t *)buf->extended_data[0]; + + for (i = 0; i < buf->nb_samples; i++) { + for (c = 0; c < channels; c++, src++) + dbRms(dumpwave, *src / (double)INT16_MAX); + }} + break; + case AV_SAMPLE_FMT_U8P: + for (c = 0; c < channels; c++) { + const int8_t *src = (const int8_t *)buf->extended_data[c]; + + for (i = 0; i < buf->nb_samples; i++, src++) + dbRms(dumpwave, *src / (double)INT8_MAX); + } + break; + case AV_SAMPLE_FMT_U8: { + const int8_t *src = (const int8_t *)buf->extended_data[0]; + + for (i = 0; i < buf->nb_samples; i++) { + for (c = 0; c < channels; c++, src++) + dbRms(dumpwave, *src / (double)INT8_MAX); + }} + break; + default: + break; + } +end: + return ff_filter_frame(ctx->outputs[0], buf); +} + +static const AVFilterPad dumpwave_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_AUDIO, + .filter_frame = dumpwave_filter_frame, + }, + { NULL } +}; + +static const AVFilterPad dumpwave_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_AUDIO, + .request_frame = dumpwave_request_frame, + .config_props = config_output + }, + { NULL } +}; + +AVFilter ff_af_dumpwave = { + .name = "dumpwave", + .description = NULL_IF_CONFIG_SMALL("Dumps RMS amplitude to JSON file"), + .init = init, + .uninit = uninit, + .priv_size = sizeof(DumpWaveContext), + .inputs = dumpwave_inputs, + .outputs = dumpwave_outputs, + .priv_class = &dumpwave_class, +}; diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 42516bbdf9..2539ee9e9a 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -98,6 +98,7 @@ static void register_all(void) REGISTER_FILTER(CROSSFEED, crossfeed, af); REGISTER_FILTER(CRYSTALIZER, crystalizer, af); REGISTER_FILTER(DCSHIFT, dcshift, af); + REGISTER_FILTER(DUMPWAVE, dumpwave, af); REGISTER_FILTER(DYNAUDNORM, dynaudnorm, af); REGISTER_FILTER(EARWAX, earwax, af); REGISTER_FILTER(EBUR128, ebur128, af); diff --git a/libavfilter/version.h b/libavfilter/version.h index 0f11721822..ca096962bb 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -30,8 +30,8 @@ #include "libavutil/version.h" #define LIBAVFILTER_VERSION_MAJOR 7 -#define LIBAVFILTER_VERSION_MINOR 11 -#define LIBAVFILTER_VERSION_MICRO 101 +#define LIBAVFILTER_VERSION_MINOR 12 +#define LIBAVFILTER_VERSION_MICRO 100 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ LIBAVFILTER_VERSION_MINOR, \ diff --git a/tests/fate/filter-audio.mak b/tests/fate/filter-audio.mak index bd8b3d3c35..9896527122 100644 --- a/tests/fate/filter-audio.mak +++ b/tests/fate/filter-audio.mak @@ -340,6 +340,10 @@ fate-filter-hdcd-s32p: CMD = md5 -i $(SRC) -af hdcd -f s32le fate-filter-hdcd-s32p: CMP = oneline fate-filter-hdcd-s32p: REF = 0c5513e83eedaa10ab6fac9ddc173cf5 +FATE_AFILTER-$(call FILTERDEMDEC, DUMPWAVE, WAV, PCM_S16LE) += fate-filter-dumpwave +fate-filter-dumpwave: SRC = $(TARGET_PATH)/tests/data/asynth-44100-2.wav +fate-filter-dumpwave: CMD = ffmpeg -i $(SRC) -af dumpwave=d=1800x140:s=147:json=$(TARGET_PATH)/tests/data/fate/filter-dumpwave.out -f null - && cat $(TARGET_PATH)/tests/data/fate/filter-dumpwave.out + FATE_AFILTER-yes += fate-filter-formats fate-filter-formats: libavfilter/tests/formats$(EXESUF) fate-filter-formats: CMD = run libavfilter/tests/formats @@ -347,3 +351,4 @@ fate-filter-formats: CMD = run libavfilter/tests/formats FATE_SAMPLES_AVCONV += $(FATE_AFILTER_SAMPLES-yes) FATE_FFMPEG += $(FATE_AFILTER-yes) fate-afilter: $(FATE_AFILTER-yes) $(FATE_AFILTER_SAMPLES-yes) + diff --git a/tests/ref/fate/filter-dumpwave b/tests/ref/fate/filter-dumpwave new file mode 100644 index 0000000000..bd07098ef8 --- /dev/null +++ b/tests/ref/fate/filter-dumpwave @@ -0,0 +1 @@ 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