From patchwork Fri Dec 3 19:31:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Soft Works X-Patchwork-Id: 31931 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a6b:cd86:0:0:0:0:0 with SMTP id d128csp1098725iog; Fri, 3 Dec 2021 11:33:40 -0800 (PST) X-Google-Smtp-Source: ABdhPJwoJd4AOodyBcEJUFI2dRc3QISJOUDU5lKouvdsiDLRLy7VSBduGLC6ORNwvH/x9nbrXSUP X-Received: by 2002:a50:950c:: with SMTP id u12mr29889738eda.361.1638560020221; Fri, 03 Dec 2021 11:33:40 -0800 (PST) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id g11si7362713edb.180.2021.12.03.11.33.39; Fri, 03 Dec 2021 11:33:40 -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=@hotmail.com header.s=selector1 header.b=qVQYbNKV; arc=fail (body hash mismatch); 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=hotmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 4124568AEEC; Fri, 3 Dec 2021 21:31:39 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10olkn2030.outbound.protection.outlook.com [40.92.42.30]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 7A28E68AEB7 for ; Fri, 3 Dec 2021 21:31:32 +0200 (EET) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=BYxcy0qOCFT7uvyhPFtP6ispiTPZ5BcE6vBkfW9nOO0gWdwiit4mOfrLL+rdu7TPUlw1fiPZbv/IUAkJQrzBcey9pEP/AiIo3l/neiXhgFsKJO+UWLliCcU/m4LPVwa9/QAIQBDnUPpAlkWeP6IqvfkUtmNcf7yT5aZj1zd8sKhuldGHLWwK6uvCt5FY8vnaAfEmPd25iAboH+0Gtmh3z8eSxJfLaYKQSW9KgauUI9r/vFJQlWjsxIx9jMmmfYgVOIH3l7qLAhab3aEnenTGaCkdu4ZyN6K5RFEmYtlk3pJhR+cKPRfFqdtcMnSaGKFAkprFtZDcrfFY6RLC3dguMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=5TjShaWjGtg8kNwlqlET6K6yHABaUhervRlP4azKcQM=; b=OSImNZwn1mMMvEdm/r2Af9CaftnHu2RSS4cYfn8O60DG6y1NrYhRF9FcWQAj+9yfM+PV5f5FFJevzWSN4QyuLYp3jHyp18A9Q50YzH2Rb8i8GIgbHLhN9/PFoLs2TbG5WYp4eyFWYMD8Ns6Qirz184Y67/e4GnoNBUY33xDhx2vJtQ0D2x852ccvLMPPbjYklM8AB5bSiCl2aER4mDTuPzmqVdrb/ACVWdXp0aHA1+gLtNgCZ9UIu+k2Q7e+WrwFvgZRwJDQtd22ZHmGGD396BjtDmqglJQJM+R5RFbCS8/4AnETBa+zBHEKqjGm572UDefqFcgX0Bi7NwOT9dLGdg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hotmail.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5TjShaWjGtg8kNwlqlET6K6yHABaUhervRlP4azKcQM=; b=qVQYbNKVDTGl9q4IxdcVDVhQ/jR4loPW5VCFrMgxUeqNV/kM7wlq1N3/0OtuB8SBWBTQXDEwCOlH1VWB0ktY3sSuWJPBb+UPjWy9FxPlRk/T6m8zMT4iVTSncE4qA2aodSCOesBgdGy/DQmBND3jc+Se2NeJ9saZRaLb5TaZbFKqErqZWuRtEsJhQf91voRuXoFJfgycuhmSdPryabFlbyN85KSwG8baQLpKt66EXTee8bejrPMY3ERYd4UssXLV4J3gGFYhWBwSN/zmPGHZKG+Akrhb14rJ+KSFrDwnjh5qBY+v9AVRAsZ5xELDUCtpBcXtcC+XF2b6iJz100enVQ== Received: from DM8P223MB0365.NAMP223.PROD.OUTLOOK.COM (2603:10b6:8:b::20) by DM8P223MB0333.NAMP223.PROD.OUTLOOK.COM (2603:10b6:8:8::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4734.23; Fri, 3 Dec 2021 19:31:24 +0000 Received: from DM8P223MB0365.NAMP223.PROD.OUTLOOK.COM ([fe80::9c8d:fc63:9488:9775]) by DM8P223MB0365.NAMP223.PROD.OUTLOOK.COM ([fe80::9c8d:fc63:9488:9775%8]) with mapi id 15.20.4755.016; Fri, 3 Dec 2021 19:31:24 +0000 From: Soft Works To: "ffmpeg-devel@ffmpeg.org" Thread-Topic: [PATCH v19 11/20] avfilter/sbuffer: Add sbuffersrc and sbuffersink filters Thread-Index: AQHX6Hxbx3zw3T9O8Em/9T2nbddRWw== Date: Fri, 3 Dec 2021 19:31:24 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [h1FKBlKTmIbvpUGHVUDsxMwoyqjq6BjJ] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 668acc56-c49c-446f-64a3-08d9b6937e2c x-ms-traffictypediagnostic: DM8P223MB0333: x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?q?0j1EvYeyQQH+F7isdlLdUhC1/5PH?= =?utf-8?q?dEUyfWy5JFD+Dff57nsMdmoqYlHajQPkJp/RtCguYlqp66BMFx8SP2ix9bYNryoqf?= =?utf-8?q?a63xRSXokMwdRx1voaqTR+zoNFZ5FvTfiK1VIvdWbw2GWmOWTboxyXE+sO4HFo0BO?= =?utf-8?q?YAT4f+0ZUI+eu1hhdFjpRm09Sv1lGTtdFMqcLodWXvdAcIIN0003mrdWkgDWHaF3z?= =?utf-8?q?wW891dTap0P+tRoTGKXbq+a4aBVrPDpVq4lqWsA6jsp9KgqJuEwpiQv2PIKpSlbGI?= =?utf-8?q?hKWy/KQQmr1DOyc2PPf565Z+a7m8727pZr3Htg0lTp7YjpjB0a7jdDvmvmfcWi1hJ?= =?utf-8?q?cAQtZuHbEoBz0u2hiDFSD2JY4lsrds89sg/92k85Y3I1//kF2GwjF57eCTm84Cvt3?= =?utf-8?q?4ISaOnNnnOE0A0NxRCy3Ab/O6VtR+4plpd76zUSL4xLZElYR+F7K44rJMko6fFbJW?= =?utf-8?q?7hlIHa8YlLIlIyvtJmk7kfDpFcZLabGb89hK3UfZcg7Ipk6ubri15cM4UU04cDaGA?= =?utf-8?q?U/xvROA7fF8TZ+jCkHhkPQvHx0X+qdnb7xke4Z+BXirIcYL73AiUAQY821UMgy92w?= =?utf-8?q?BU7EXp18GLnbIFGZ5+v8wLNZVrpAX3gC9Ys20r880dCYoMYxH+4x27oMdkWpTnZ7K?= =?utf-8?q?9qQ0eZih9hapTPPUXV4xe07nhuCLE3zhm1Pb3aCXYWT0s7Z3j40CLHloTD88UL8XC?= =?utf-8?q?prLoVhijsEzwh3XqyG9WuuKzdehRftY8IB8Rld+8GXNRYMvdW6+61SrZAYaM8KfHJ?= =?utf-8?q?Afc0VYsgbl3SNJMuu8/wPFQUnRePNJBJTd/4pPvEXi7AcwaIAfPMkQ11AcxqNBRSG?= =?utf-8?q?//ZhsmaTLYRghgs/TNpX1SxwHgVcBMNhMeS5U3xmuMZk7irlYlyeT5RfZVGYWzXjg?= =?utf-8?q?1+SJvta9LE1QogSu/dFIg/BDaLOmaTCOZPCIpwiTaBWQ=3D=3D?= MIME-Version: 1.0 X-OriginatorOrg: sct-15-20-4755-11-msonline-outlook-1ff67.templateTenant X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM8P223MB0365.NAMP223.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-Network-Message-Id: 668acc56-c49c-446f-64a3-08d9b6937e2c X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Dec 2021 19:31:24.2255 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM8P223MB0333 Subject: [FFmpeg-devel] [PATCH v19 11/20] avfilter/sbuffer: Add sbuffersrc and sbuffersink filters 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: JU2rEBOA6ahI Signed-off-by: softworkz --- configure | 2 +- libavfilter/allfilters.c | 2 ++ libavfilter/buffersink.c | 54 ++++++++++++++++++++++++++++++ libavfilter/buffersink.h | 7 ++++ libavfilter/buffersrc.c | 72 ++++++++++++++++++++++++++++++++++++++++ libavfilter/buffersrc.h | 1 + 6 files changed, 137 insertions(+), 1 deletion(-) diff --git a/configure b/configure index a98a18abaa..ea4c722a94 100755 --- a/configure +++ b/configure @@ -7808,7 +7808,7 @@ print_enabled_components(){ fi done if [ "$name" = "filter_list" ]; then - for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do + for c in asrc_abuffer vsrc_buffer ssrc_sbuffer asink_abuffer vsink_buffer ssink_sbuffer; do printf " &ff_%s,\n" $c >> $TMPH done fi diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 2f91562aa2..dbcc180fd9 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -553,8 +553,10 @@ extern const AVFilter ff_avsrc_movie; * being the same while having different 'types'). */ extern const AVFilter ff_asrc_abuffer; extern const AVFilter ff_vsrc_buffer; +extern const AVFilter ff_ssrc_sbuffer; extern const AVFilter ff_asink_abuffer; extern const AVFilter ff_vsink_buffer; +extern const AVFilter ff_ssink_sbuffer; extern const AVFilter ff_af_afifo; extern const AVFilter ff_vf_fifo; diff --git a/libavfilter/buffersink.c b/libavfilter/buffersink.c index c0215669e7..0b268c2fa4 100644 --- a/libavfilter/buffersink.c +++ b/libavfilter/buffersink.c @@ -29,6 +29,8 @@ #include "libavutil/internal.h" #include "libavutil/opt.h" +#include "libavcodec/avcodec.h" + #define FF_INTERNAL_FIELDS 1 #include "framequeue.h" @@ -57,6 +59,10 @@ typedef struct BufferSinkContext { int *sample_rates; ///< list of accepted sample rates int sample_rates_size; + /* only used for subtitles */ + enum AVSubtitleType *subtitle_types; ///< list of accepted subtitle types, must be terminated with -1 + int subtitle_types_size; + AVFrame *peeked_frame; } BufferSinkContext; @@ -305,6 +311,28 @@ static int asink_query_formats(AVFilterContext *ctx) return 0; } +static int ssink_query_formats(AVFilterContext *ctx) +{ + BufferSinkContext *buf = ctx->priv; + AVFilterFormats *formats = NULL; + unsigned i; + int ret; + + CHECK_LIST_SIZE(subtitle_types) + if (buf->subtitle_types_size) { + for (i = 0; i < NB_ITEMS(buf->subtitle_types); i++) + if ((ret = ff_add_subtitle_type(&formats, buf->subtitle_types[i])) < 0) + return ret; + if ((ret = ff_set_common_formats(ctx, formats)) < 0) + return ret; + } else { + if ((ret = ff_default_query_formats(ctx)) < 0) + return ret; + } + + return 0; +} + #define OFFSET(x) offsetof(BufferSinkContext, x) #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM static const AVOption buffersink_options[] = { @@ -322,9 +350,16 @@ static const AVOption abuffersink_options[] = { { NULL }, }; #undef FLAGS +#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_SUBTITLE_PARAM +static const AVOption sbuffersink_options[] = { + { "subtitle_types", "set the supported subtitle formats", OFFSET(subtitle_types), AV_OPT_TYPE_BINARY, .flags = FLAGS }, + { NULL }, +}; +#undef FLAGS AVFILTER_DEFINE_CLASS(buffersink); AVFILTER_DEFINE_CLASS(abuffersink); +AVFILTER_DEFINE_CLASS(sbuffersink); static const AVFilterPad avfilter_vsink_buffer_inputs[] = { { @@ -363,3 +398,22 @@ const AVFilter ff_asink_abuffer = { .outputs = NULL, FILTER_QUERY_FUNC(asink_query_formats), }; + +static const AVFilterPad avfilter_ssink_sbuffer_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_SUBTITLE, + }, +}; + +const AVFilter ff_ssink_sbuffer = { + .name = "sbuffersink", + .description = NULL_IF_CONFIG_SMALL("Buffer subtitle frames, and make them available to the end of the filter graph."), + .priv_class = &sbuffersink_class, + .priv_size = sizeof(BufferSinkContext), + .init = common_init, + .activate = activate, + FILTER_INPUTS(avfilter_ssink_sbuffer_inputs), + .outputs = NULL, + FILTER_QUERY_FUNC(ssink_query_formats), +}; diff --git a/libavfilter/buffersink.h b/libavfilter/buffersink.h index 69ed0f29a8..11905abdc5 100644 --- a/libavfilter/buffersink.h +++ b/libavfilter/buffersink.h @@ -129,6 +129,13 @@ typedef struct AVABufferSinkParams { */ attribute_deprecated AVABufferSinkParams *av_abuffersink_params_alloc(void); + +/** + * Deprecated and unused struct to use for initializing an sbuffersink context. + */ +typedef struct AVSBufferSinkParams { + const int *subtitle_type; +} AVSBufferSinkParams; #endif /** diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c index b0611872f1..d2362999a2 100644 --- a/libavfilter/buffersrc.c +++ b/libavfilter/buffersrc.c @@ -39,6 +39,7 @@ #include "formats.h" #include "internal.h" #include "video.h" +#include "libavcodec/avcodec.h" typedef struct BufferSourceContext { const AVClass *class; @@ -63,6 +64,9 @@ typedef struct BufferSourceContext { uint64_t channel_layout; char *channel_layout_str; + /* subtitle only */ + enum AVSubtitleType subtitle_type; + int eof; } BufferSourceContext; @@ -130,6 +134,13 @@ int av_buffersrc_parameters_set(AVFilterContext *ctx, AVBufferSrcParameters *par if (param->channel_layout) s->channel_layout = param->channel_layout; break; + case AVMEDIA_TYPE_SUBTITLE: + s->subtitle_type = param->format; + if (param->width > 0) + s->w = param->width; + if (param->height > 0) + s->h = param->height; + break; default: return AVERROR_BUG; } @@ -197,6 +208,8 @@ int attribute_align_arg av_buffersrc_add_frame_flags(AVFilterContext *ctx, AVFra CHECK_AUDIO_PARAM_CHANGE(ctx, s, frame->sample_rate, frame->channel_layout, frame->channels, frame->format, frame->pts); break; + case AVMEDIA_TYPE_SUBTITLE: + break; default: return AVERROR(EINVAL); } @@ -269,6 +282,7 @@ unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src) #define OFFSET(x) offsetof(BufferSourceContext, x) #define A AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_AUDIO_PARAM #define V AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM +#define S AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_SUBTITLE_PARAM static const AVOption buffer_options[] = { { "width", NULL, OFFSET(w), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, V }, @@ -298,6 +312,16 @@ static const AVOption abuffer_options[] = { AVFILTER_DEFINE_CLASS(abuffer); +static const AVOption sbuffer_options[] = { + { "time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, INT_MAX, S }, + { "subtitle_type", NULL, OFFSET(subtitle_type), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, S }, + { "width", NULL, OFFSET(w), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, V }, + { "height", NULL, OFFSET(h), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, V }, + { NULL }, +}; + +AVFILTER_DEFINE_CLASS(sbuffer); + static av_cold int init_audio(AVFilterContext *ctx) { BufferSourceContext *s = ctx->priv; @@ -347,6 +371,21 @@ static av_cold int init_audio(AVFilterContext *ctx) return ret; } +static av_cold int init_subtitle(AVFilterContext *ctx) +{ + BufferSourceContext *c = ctx->priv; + + if (c->subtitle_type == AV_SUBTITLE_FMT_BITMAP) + av_log(ctx, AV_LOG_VERBOSE, "graphical subtitles - w:%d h:%d tb:%d/%d\n", + c->w, c->h, c->time_base.num, c->time_base.den); + else + av_log(ctx, AV_LOG_VERBOSE, "text subtitles - w:%d h:%d tb:%d/%d\n", + c->w, c->h, c->time_base.num, c->time_base.den); + + return 0; +} + + static av_cold void uninit(AVFilterContext *ctx) { BufferSourceContext *s = ctx->priv; @@ -381,6 +420,11 @@ static int query_formats(AVFilterContext *ctx) if ((ret = ff_set_common_channel_layouts(ctx, channel_layouts)) < 0) return ret; break; + case AVMEDIA_TYPE_SUBTITLE: + if ((ret = ff_add_format (&formats, c->subtitle_type)) < 0 || + (ret = ff_set_common_formats (ctx , formats )) < 0) + return ret; + break; default: return AVERROR(EINVAL); } @@ -408,6 +452,11 @@ static int config_props(AVFilterLink *link) if (!c->channel_layout) c->channel_layout = link->channel_layout; break; + case AVMEDIA_TYPE_SUBTITLE: + link->format = c->subtitle_type; + link->w = c->w; + link->h = c->h; + break; default: return AVERROR(EINVAL); } @@ -472,3 +521,26 @@ const AVFilter ff_asrc_abuffer = { FILTER_QUERY_FUNC(query_formats), .priv_class = &abuffer_class, }; + +static const AVFilterPad ssrc_sbuffer_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_SUBTITLE, + .request_frame = request_frame, + .config_props = config_props, + }, +}; + +const AVFilter ff_ssrc_sbuffer = { + .name = "sbuffer", + .description = NULL_IF_CONFIG_SMALL("Buffer subtitle frames, and make them accessible to the filterchain."), + .priv_size = sizeof(BufferSourceContext), + + .init = init_subtitle, + .uninit = uninit, + + .inputs = NULL, + FILTER_OUTPUTS(ssrc_sbuffer_outputs), + FILTER_QUERY_FUNC(query_formats), + .priv_class = &sbuffer_class, +}; diff --git a/libavfilter/buffersrc.h b/libavfilter/buffersrc.h index 08fbd18a47..929a2fa249 100644 --- a/libavfilter/buffersrc.h +++ b/libavfilter/buffersrc.h @@ -74,6 +74,7 @@ typedef struct AVBufferSrcParameters { /** * video: the pixel format, value corresponds to enum AVPixelFormat * audio: the sample format, value corresponds to enum AVSampleFormat + * subtitles: the subtitle format, value corresponds to enum AVSubtitleType */ int format; /**