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Mon, 29 Nov 2021 19:48:19 +0000 From: Soft Works To: "ffmpeg-devel@ffmpeg.org" Thread-Topic: [PATCH v18 10/19] avfilter/sbuffer: Add sbuffersrc and sbuffersink filters Thread-Index: AQHX5VoO01/goiZy7EeXbA4quGFMnw== Date: Mon, 29 Nov 2021 19:48:18 +0000 Message-ID: References: <01697a451703d7b506c60d75c953dff19bbe05d9.1638214931.git.softworkz@hotmail.com> <3d54150a3bc909d1c4750ed07a00341f5c04ddb5.1638214931.git.softworkz@hotmail.com> <3e076dc07af205e1419f8bda2315bd115c5618cd.1638214931.git.softworkz@hotmail.com> <4c1b6a9fb0adf063c451a696a98fcef84400ddc4.1638214931.git.softworkz@hotmail.com> In-Reply-To: <4c1b6a9fb0adf063c451a696a98fcef84400ddc4.1638214931.git.softworkz@hotmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [IJ6HHFYgdk8ooPJo2aC3p6EdC+q/eoAN] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a988bacd-ea58-4ade-c9e7-08d9b3713156 x-ms-traffictypediagnostic: DM8P223MB0223: 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: dX0PUc1nGdNfzb45JaK0SupX4RkRGfpESKEH+pAARLta/aQBnj9cnUc10t/FO7VqNkNrpWv3UnlKbAmpIAvXH5BobFnarzFHKxzeKE5l+4aWPVh9RWrPuLDqasSEYgZ3+0k2oLl1smqMtHFmkkQVsn3eokkE9Rk+H9drkOm0PWwHOkyPKb+TQ7uMWUrTQwDfXHNJvrucOQfaiYcIRF2PP7URkG/MHpQR0+NKMdnhTbNfTazJR2ycTJLWqfGQxKvWsNs7zwsAKCt1ka2i4RQ5wPIEcOEW1Nn+CLzHY+9yCo0B1UhtVtzyGbi/TRQJ9yikRHE4ozlDNF+EYbW4AqW5EH01eeqB8dskxw5c+AZ1Trm4T0ZE6VueaUWPRnBB8pPi0vrNHxI7HhGMsvqHjCDAb89cQpZzuqHax0hr6jU7ESnxRnGclxzo58igLZH/6+7re6wAczz1tRu5ce2Ly9QK8jh0+eOhUQw8tpcnYbs672/qLN/rK0iNlqHxzgr+RlGTZg9yqsi2CwkAR7nlLrro+hv8fyZVBmkdlaP7mSSdfCvkir47oDnuNm8Pb76cjGfcbI533OTHtCJmqHRT7uWUqpT1l+bOC1pcF4tHIaZGSfwRG/QoUh86lNxtkYyD1e8kWi5OAG+Dr1F/kFJQkTKovaxjn/cVDgfPzSaGw8OTcvN2wmVcjQcJE2Ap360YqoZkNe6IJZtpK1H1C56OzRpZ2g== MIME-Version: 1.0 X-OriginatorOrg: sct-15-20-3912-16-msonline-outlook-1fc6d.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: a988bacd-ea58-4ade-c9e7-08d9b3713156 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Nov 2021 19:48:18.9615 (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: DM8P223MB0223 Subject: [FFmpeg-devel] [PATCH v18 10/19] 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: 6Cb+TP2yDZvO 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 d8b5be8bbb..632e09e367 100755 --- a/configure +++ b/configure @@ -7784,7 +7784,7 @@ 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 4bf17ef292..4072f08385 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -550,8 +550,10 @@ 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 b8ddafec35..3fa7b62439 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, terminated by -1 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; /**