2010-05-07 04:25:00 +03:00
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/*
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* Copyright (c) 2008 Vitor Sessak
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*
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2012-05-16 03:27:31 +03:00
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* This file is part of FFmpeg.
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2010-05-07 04:25:00 +03:00
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*
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2012-05-16 03:27:31 +03:00
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* FFmpeg is free software; you can redistribute it and/or
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2010-05-07 04:25:00 +03:00
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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2012-05-16 03:27:31 +03:00
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* FFmpeg is distributed in the hope that it will be useful,
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2010-05-07 04:25:00 +03:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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2012-05-16 03:27:31 +03:00
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* License along with FFmpeg; if not, write to the Free Software
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2010-05-07 04:25:00 +03:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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2010-07-20 19:23:18 +03:00
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/**
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* @file
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* memory buffer source filter
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*/
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2013-04-10 16:58:52 +03:00
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#include <float.h>
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2012-11-10 18:00:00 +03:00
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#include "libavutil/channel_layout.h"
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2012-11-28 10:41:07 +03:00
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#include "libavutil/frame.h"
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2023-10-20 16:55:43 +02:00
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#include "libavutil/hwcontext.h"
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2013-03-27 20:36:51 +03:00
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#include "libavutil/internal.h"
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2024-03-25 02:30:37 +02:00
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#include "libavutil/mem.h"
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2012-11-10 18:00:00 +03:00
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#include "libavutil/opt.h"
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2024-03-25 02:30:37 +02:00
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#include "libavutil/pixdesc.h"
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2012-11-10 18:00:00 +03:00
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#include "libavutil/samplefmt.h"
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2019-01-25 14:26:11 +02:00
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#include "libavutil/timestamp.h"
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2010-05-07 04:25:00 +03:00
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#include "avfilter.h"
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2024-08-16 22:25:47 +02:00
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#include "avfilter_internal.h"
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2011-12-21 22:39:18 +03:00
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#include "buffersrc.h"
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2023-10-27 14:26:50 +02:00
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#include "filters.h"
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2012-05-04 19:57:04 +03:00
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#include "formats.h"
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2024-08-16 10:03:29 +02:00
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#include "video.h"
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2012-05-04 19:57:04 +03:00
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2014-04-11 12:54:15 +03:00
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typedef struct BufferSourceContext {
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2012-05-04 19:57:04 +03:00
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const AVClass *class;
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AVRational time_base; ///< time_base to set in the output link
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2012-06-07 21:10:36 +03:00
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AVRational frame_rate; ///< frame_rate to set in the output link
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2012-05-18 14:56:22 +03:00
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unsigned nb_failed_requests;
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2012-05-04 19:57:04 +03:00
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/* video only */
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2024-01-26 16:02:08 +02:00
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int w, h, prev_w, prev_h;
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enum AVPixelFormat pix_fmt, prev_pix_fmt;
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enum AVColorSpace color_space, prev_color_space;
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enum AVColorRange color_range, prev_color_range;
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2010-05-07 04:25:00 +03:00
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AVRational pixel_aspect;
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2012-05-04 19:57:04 +03:00
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2016-02-02 10:47:16 +02:00
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AVBufferRef *hw_frames_ctx;
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2012-05-04 19:57:04 +03:00
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/* audio only */
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int sample_rate;
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enum AVSampleFormat sample_fmt;
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2012-12-26 18:50:57 +03:00
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int channels;
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2012-05-04 19:57:04 +03:00
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char *channel_layout_str;
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2021-08-31 16:03:14 +02:00
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AVChannelLayout ch_layout;
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2012-05-04 19:57:04 +03:00
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2012-04-01 19:53:58 +03:00
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int eof;
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2023-06-15 17:15:44 +02:00
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int64_t last_pts;
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2024-01-26 16:02:08 +02:00
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int link_delta, prev_delta;
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2010-05-07 04:25:00 +03:00
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} BufferSourceContext;
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2023-10-20 16:55:43 +02:00
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#define CHECK_VIDEO_PARAM_CHANGE(s, c, width, height, format, csp, range, pts)\
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2024-01-26 16:02:08 +02:00
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c->link_delta = c->w != width || c->h != height || c->pix_fmt != format ||\
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c->color_space != csp || c->color_range != range;\
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c->prev_delta = c->prev_w != width || c->prev_h != height || c->prev_pix_fmt != format ||\
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c->prev_color_space != csp || c->prev_color_range != range;\
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if (c->link_delta) {\
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int loglevel = c->prev_delta ? AV_LOG_WARNING : AV_LOG_DEBUG;\
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av_log(s, loglevel, "Changing video frame properties on the fly is not supported by all filters.\n");\
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av_log(s, loglevel, "filter context - w: %d h: %d fmt: %d csp: %s range: %s, incoming frame - w: %d h: %d fmt: %d csp: %s range: %s pts_time: %s\n",\
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2023-10-20 16:55:43 +02:00
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c->w, c->h, c->pix_fmt, av_color_space_name(c->color_space), av_color_range_name(c->color_range),\
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width, height, format, av_color_space_name(csp), av_color_range_name(range),\
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av_ts2timestr(pts, &s->outputs[0]->time_base));\
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2024-01-26 16:02:08 +02:00
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}\
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if (c->prev_delta) {\
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if (!c->link_delta)\
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av_log(s, AV_LOG_VERBOSE, "video frame properties congruent with link at pts_time: %s\n", av_ts2timestr(pts, &s->outputs[0]->time_base));\
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c->prev_w = width;\
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c->prev_h = height;\
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c->prev_pix_fmt = format;\
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c->prev_color_space = csp;\
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c->prev_color_range = range;\
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2012-01-03 13:18:00 +03:00
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}
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2021-08-31 16:03:14 +02:00
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#define CHECK_AUDIO_PARAM_CHANGE(s, c, srate, layout, format, pts)\
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2012-05-04 19:57:04 +03:00
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if (c->sample_fmt != format || c->sample_rate != srate ||\
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2021-08-31 16:03:14 +02:00
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av_channel_layout_compare(&c->ch_layout, &layout) || c->channels != layout.nb_channels) {\
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2019-01-25 14:26:11 +02:00
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av_log(s, AV_LOG_INFO, "filter context - fmt: %s r: %d layout: %"PRIX64" ch: %d, incoming frame - fmt: %s r: %d layout: %"PRIX64" ch: %d pts_time: %s\n",\
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2021-08-31 16:03:14 +02:00
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av_get_sample_fmt_name(c->sample_fmt), c->sample_rate, c->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ? c->ch_layout.u.mask : 0, c->channels,\
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av_get_sample_fmt_name(format), srate, layout.order == AV_CHANNEL_ORDER_NATIVE ? layout.u.mask : 0, layout.nb_channels, av_ts2timestr(pts, &s->outputs[0]->time_base));\
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2019-01-25 14:26:11 +02:00
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av_log(s, AV_LOG_ERROR, "Changing audio frame properties on the fly is not supported.\n");\
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2012-05-04 19:57:04 +03:00
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return AVERROR(EINVAL);\
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}
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2016-02-02 10:47:16 +02:00
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AVBufferSrcParameters *av_buffersrc_parameters_alloc(void)
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{
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AVBufferSrcParameters *par = av_mallocz(sizeof(*par));
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if (!par)
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return NULL;
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par->format = -1;
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2023-10-20 16:55:43 +02:00
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par->color_range = AVCOL_RANGE_UNSPECIFIED;
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par->color_space = AVCOL_SPC_UNSPECIFIED;
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2016-02-02 10:47:16 +02:00
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return par;
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}
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int av_buffersrc_parameters_set(AVFilterContext *ctx, AVBufferSrcParameters *param)
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{
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BufferSourceContext *s = ctx->priv;
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if (param->time_base.num > 0 && param->time_base.den > 0)
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s->time_base = param->time_base;
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switch (ctx->filter->outputs[0].type) {
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case AVMEDIA_TYPE_VIDEO:
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if (param->format != AV_PIX_FMT_NONE) {
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2024-01-26 16:02:08 +02:00
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s->pix_fmt = s->prev_pix_fmt = param->format;
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2016-02-02 10:47:16 +02:00
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}
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if (param->width > 0)
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2024-01-26 16:02:08 +02:00
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s->w = s->prev_w = param->width;
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2016-02-02 10:47:16 +02:00
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if (param->height > 0)
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2024-01-26 16:02:08 +02:00
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s->h = s->prev_h = param->height;
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2016-02-02 10:47:16 +02:00
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if (param->sample_aspect_ratio.num > 0 && param->sample_aspect_ratio.den > 0)
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s->pixel_aspect = param->sample_aspect_ratio;
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if (param->frame_rate.num > 0 && param->frame_rate.den > 0)
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s->frame_rate = param->frame_rate;
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if (param->hw_frames_ctx) {
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av_buffer_unref(&s->hw_frames_ctx);
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s->hw_frames_ctx = av_buffer_ref(param->hw_frames_ctx);
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if (!s->hw_frames_ctx)
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return AVERROR(ENOMEM);
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}
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2023-10-20 16:55:43 +02:00
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if (param->color_space != AVCOL_SPC_UNSPECIFIED)
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2024-01-26 16:02:08 +02:00
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s->color_space = s->prev_color_space = param->color_space;
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2023-10-20 16:55:43 +02:00
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if (param->color_range != AVCOL_RANGE_UNSPECIFIED)
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2024-01-26 16:02:08 +02:00
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s->color_range = s->prev_color_range = param->color_range;
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2016-02-02 10:47:16 +02:00
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break;
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case AVMEDIA_TYPE_AUDIO:
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if (param->format != AV_SAMPLE_FMT_NONE) {
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s->sample_fmt = param->format;
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}
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if (param->sample_rate > 0)
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s->sample_rate = param->sample_rate;
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2021-08-31 16:03:14 +02:00
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if (param->ch_layout.nb_channels) {
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int ret = av_channel_layout_copy(&s->ch_layout, ¶m->ch_layout);
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if (ret < 0)
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return ret;
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}
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2016-02-02 10:47:16 +02:00
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break;
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default:
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return AVERROR_BUG;
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}
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return 0;
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}
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2013-07-26 11:31:05 +03:00
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int attribute_align_arg av_buffersrc_write_frame(AVFilterContext *ctx, const AVFrame *frame)
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2010-05-07 04:25:00 +03:00
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{
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2013-03-10 15:33:18 +03:00
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return av_buffersrc_add_frame_flags(ctx, (AVFrame *)frame,
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AV_BUFFERSRC_FLAG_KEEP_REF);
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2013-03-10 03:30:30 +03:00
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}
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2013-07-26 11:31:05 +03:00
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int attribute_align_arg av_buffersrc_add_frame(AVFilterContext *ctx, AVFrame *frame)
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2010-05-07 04:25:00 +03:00
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{
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2013-03-10 15:33:18 +03:00
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return av_buffersrc_add_frame_flags(ctx, frame, 0);
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}
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2017-07-16 17:03:50 +02:00
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static int push_frame(AVFilterGraph *graph)
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{
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int ret;
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while (1) {
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ret = ff_filter_graph_run_once(graph);
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if (ret == AVERROR(EAGAIN))
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break;
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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2021-02-07 16:29:58 +02:00
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int attribute_align_arg av_buffersrc_add_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
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2011-12-21 22:39:18 +03:00
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{
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2012-11-28 10:41:07 +03:00
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BufferSourceContext *s = ctx->priv;
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AVFrame *copy;
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2014-01-16 13:06:02 +03:00
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int refcounted, ret;
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2011-12-21 22:39:18 +03:00
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2013-04-14 14:51:42 +03:00
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s->nb_failed_requests = 0;
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2017-04-03 15:01:45 +02:00
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if (!frame)
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2023-06-15 17:15:44 +02:00
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return av_buffersrc_close(ctx, s->last_pts, flags);
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2017-04-03 15:01:45 +02:00
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if (s->eof)
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2023-10-27 14:26:50 +02:00
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return AVERROR_EOF;
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2012-04-01 19:53:58 +03:00
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2023-06-15 17:15:44 +02:00
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s->last_pts = frame->pts + frame->duration;
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2014-01-16 13:06:02 +03:00
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refcounted = !!frame->buf[0];
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2013-03-10 15:33:18 +03:00
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if (!(flags & AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT)) {
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2018-11-18 11:09:29 +02:00
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switch (ctx->outputs[0]->type) {
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case AVMEDIA_TYPE_VIDEO:
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CHECK_VIDEO_PARAM_CHANGE(ctx, s, frame->width, frame->height,
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2023-10-20 16:55:43 +02:00
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frame->format, frame->colorspace,
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frame->color_range, frame->pts);
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2018-11-18 11:09:29 +02:00
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break;
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case AVMEDIA_TYPE_AUDIO:
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/* For layouts unknown on input but known on link after negotiation. */
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2024-03-31 20:28:13 +02:00
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if (frame->ch_layout.order == AV_CHANNEL_ORDER_UNSPEC && frame->ch_layout.nb_channels == s->ch_layout.nb_channels) {
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2021-08-31 16:03:14 +02:00
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ret = av_channel_layout_copy(&frame->ch_layout, &s->ch_layout);
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if (ret < 0)
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return ret;
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}
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CHECK_AUDIO_PARAM_CHANGE(ctx, s, frame->sample_rate, frame->ch_layout,
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frame->format, frame->pts);
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2018-11-18 11:09:29 +02:00
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break;
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default:
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return AVERROR(EINVAL);
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}
|
2012-01-03 13:18:00 +03:00
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2013-03-10 15:33:18 +03:00
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}
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2021-02-07 16:29:58 +02:00
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if (refcounted && !(flags & AV_BUFFERSRC_FLAG_KEEP_REF)) {
|
2023-09-07 12:07:30 +02:00
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if (!(copy = av_frame_alloc()))
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return AVERROR(ENOMEM);
|
2014-01-16 13:06:02 +03:00
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av_frame_move_ref(copy, frame);
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} else {
|
2023-09-07 12:07:30 +02:00
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copy = av_frame_clone(frame);
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if (!copy)
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return AVERROR(ENOMEM);
|
2014-01-16 13:06:02 +03:00
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}
|
2012-03-29 12:22:40 +03:00
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2023-04-12 19:18:50 +02:00
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#if FF_API_INTERLACED_FRAME
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FF_DISABLE_DEPRECATION_WARNINGS
|
2023-04-12 16:38:46 +02:00
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if (copy->interlaced_frame)
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copy->flags |= AV_FRAME_FLAG_INTERLACED;
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if (copy->top_field_first)
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copy->flags |= AV_FRAME_FLAG_TOP_FIELD_FIRST;
|
2023-04-12 19:18:50 +02:00
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|
FF_ENABLE_DEPRECATION_WARNINGS
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|
#endif
|
2023-04-12 16:38:46 +02:00
|
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|
2023-04-13 01:07:01 +02:00
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|
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#if FF_API_FRAME_KEY
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FF_DISABLE_DEPRECATION_WARNINGS
|
2023-04-13 00:35:56 +02:00
|
|
|
if (copy->key_frame)
|
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|
|
copy->flags |= AV_FRAME_FLAG_KEY;
|
2023-04-13 01:07:01 +02:00
|
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
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|
|
#endif
|
2023-04-13 00:35:56 +02:00
|
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|
2024-01-12 10:14:01 +02:00
|
|
|
if (copy->colorspace == AVCOL_SPC_UNSPECIFIED)
|
|
|
|
copy->colorspace = ctx->outputs[0]->colorspace;
|
|
|
|
if (copy->color_range == AVCOL_RANGE_UNSPECIFIED)
|
|
|
|
copy->color_range = ctx->outputs[0]->color_range;
|
|
|
|
|
2019-12-02 18:01:50 +02:00
|
|
|
ret = ff_filter_frame(ctx->outputs[0], copy);
|
2020-01-01 07:22:13 +02:00
|
|
|
if (ret < 0)
|
2016-01-03 16:44:42 +02:00
|
|
|
return ret;
|
2013-03-10 15:33:18 +03:00
|
|
|
|
2017-07-16 17:03:50 +02:00
|
|
|
if ((flags & AV_BUFFERSRC_FLAG_PUSH)) {
|
|
|
|
ret = push_frame(ctx->graph);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2010-05-07 04:25:00 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2017-04-03 15:01:45 +02:00
|
|
|
int av_buffersrc_close(AVFilterContext *ctx, int64_t pts, unsigned flags)
|
|
|
|
{
|
|
|
|
BufferSourceContext *s = ctx->priv;
|
|
|
|
|
|
|
|
s->eof = 1;
|
|
|
|
ff_avfilter_link_set_in_status(ctx->outputs[0], AVERROR_EOF, pts);
|
|
|
|
return (flags & AV_BUFFERSRC_FLAG_PUSH) ? push_frame(ctx->graph) : 0;
|
|
|
|
}
|
|
|
|
|
2013-03-13 10:26:39 +03:00
|
|
|
static av_cold int init_video(AVFilterContext *ctx)
|
2010-05-07 04:25:00 +03:00
|
|
|
{
|
|
|
|
BufferSourceContext *c = ctx->priv;
|
2012-06-05 13:33:35 +03:00
|
|
|
|
2023-03-01 02:00:17 +02:00
|
|
|
if (c->pix_fmt == AV_PIX_FMT_NONE) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Unspecified pixel format\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
if (c->w <= 0 || c->h <= 0) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Invalid size %dx%d\n", c->w, c->h);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
if (av_q2d(c->time_base) <= 0) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Invalid time base %d/%d\n", c->time_base.num, c->time_base.den);
|
2012-06-05 13:33:35 +03:00
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
2013-03-10 03:30:30 +03:00
|
|
|
|
2023-10-20 16:55:43 +02:00
|
|
|
av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s tb:%d/%d fr:%d/%d sar:%d/%d csp:%s range:%s\n",
|
2012-10-12 18:04:58 +03:00
|
|
|
c->w, c->h, av_get_pix_fmt_name(c->pix_fmt),
|
2012-06-07 21:10:36 +03:00
|
|
|
c->time_base.num, c->time_base.den, c->frame_rate.num, c->frame_rate.den,
|
2023-10-20 16:55:43 +02:00
|
|
|
c->pixel_aspect.num, c->pixel_aspect.den,
|
|
|
|
av_color_space_name(c->color_space), av_color_range_name(c->color_range));
|
2019-12-30 07:01:38 +02:00
|
|
|
|
2010-07-21 20:14:13 +03:00
|
|
|
return 0;
|
2010-05-07 04:25:00 +03:00
|
|
|
}
|
|
|
|
|
2013-03-10 03:30:30 +03:00
|
|
|
unsigned av_buffersrc_get_nb_failed_requests(AVFilterContext *buffer_src)
|
|
|
|
{
|
|
|
|
return ((BufferSourceContext *)buffer_src->priv)->nb_failed_requests;
|
|
|
|
}
|
|
|
|
|
2013-04-10 16:58:52 +03:00
|
|
|
#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
|
|
|
|
|
|
|
|
static const AVOption buffer_options[] = {
|
|
|
|
{ "width", NULL, OFFSET(w), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, V },
|
|
|
|
{ "video_size", NULL, OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, .flags = V },
|
2013-04-12 10:45:14 +03:00
|
|
|
{ "height", NULL, OFFSET(h), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, V },
|
2013-12-16 17:58:58 +03:00
|
|
|
{ "pix_fmt", NULL, OFFSET(pix_fmt), AV_OPT_TYPE_PIXEL_FMT, { .i64 = AV_PIX_FMT_NONE }, .min = AV_PIX_FMT_NONE, .max = INT_MAX, .flags = V },
|
2016-02-12 10:21:00 +02:00
|
|
|
{ "sar", "sample aspect ratio", OFFSET(pixel_aspect), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
|
2016-02-17 17:42:12 +02:00
|
|
|
{ "pixel_aspect", "sample aspect ratio", OFFSET(pixel_aspect), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
|
2013-04-10 16:58:52 +03:00
|
|
|
{ "time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
|
|
|
|
{ "frame_rate", NULL, OFFSET(frame_rate), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
|
2024-02-11 16:41:05 +02:00
|
|
|
{ "colorspace", "select colorspace", OFFSET(color_space), AV_OPT_TYPE_INT, {.i64=AVCOL_SPC_UNSPECIFIED}, 0, AVCOL_SPC_NB-1, V, .unit = "colorspace"},
|
|
|
|
{ "gbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_RGB}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT709}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_UNSPECIFIED}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "fcc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_FCC}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "bt470bg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT470BG}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE170M}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "smpte240m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE240M}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "ycgco", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_YCGCO}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
2024-03-29 00:58:53 +02:00
|
|
|
{ "ycgco-re", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_YCGCO_RE}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "ycgco-ro", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_YCGCO_RO}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
2024-02-11 16:41:05 +02:00
|
|
|
{ "bt2020nc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_NCL}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "bt2020c", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_CL}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "smpte2085", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE2085}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "chroma-derived-nc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_CHROMA_DERIVED_NCL},INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "chroma-derived-c", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_CHROMA_DERIVED_CL}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
|
|
|
{ "ictcp", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_ICTCP}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
2024-03-29 00:58:53 +02:00
|
|
|
{ "ipt-c2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_IPT_C2}, INT_MIN, INT_MAX, V, .unit = "colorspace"},
|
2024-02-11 16:41:05 +02:00
|
|
|
{ "range", "select color range", OFFSET(color_range), AV_OPT_TYPE_INT, {.i64=AVCOL_RANGE_UNSPECIFIED}, 0, AVCOL_RANGE_NB-1, V, .unit = "range"},
|
|
|
|
{ "unspecified", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED}, 0, 0, V, .unit = "range"},
|
|
|
|
{ "unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED}, 0, 0, V, .unit = "range"},
|
|
|
|
{ "limited", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, V, .unit = "range"},
|
|
|
|
{ "tv", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, V, .unit = "range"},
|
|
|
|
{ "mpeg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, V, .unit = "range"},
|
|
|
|
{ "full", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, V, .unit = "range"},
|
|
|
|
{ "pc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, V, .unit = "range"},
|
|
|
|
{ "jpeg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, V, .unit = "range"},
|
2013-04-10 16:58:52 +03:00
|
|
|
{ NULL },
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFILTER_DEFINE_CLASS(buffer);
|
|
|
|
|
2012-06-22 15:33:09 +03:00
|
|
|
static const AVOption abuffer_options[] = {
|
2013-04-10 16:58:52 +03:00
|
|
|
{ "time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, INT_MAX, A },
|
|
|
|
{ "sample_rate", NULL, OFFSET(sample_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, A },
|
2013-12-16 18:37:37 +03:00
|
|
|
{ "sample_fmt", NULL, OFFSET(sample_fmt), AV_OPT_TYPE_SAMPLE_FMT, { .i64 = AV_SAMPLE_FMT_NONE }, .min = AV_SAMPLE_FMT_NONE, .max = INT_MAX, .flags = A },
|
2013-04-10 16:58:52 +03:00
|
|
|
{ "channel_layout", NULL, OFFSET(channel_layout_str), AV_OPT_TYPE_STRING, .flags = A },
|
2013-04-12 10:55:01 +03:00
|
|
|
{ "channels", NULL, OFFSET(channels), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, A },
|
2012-05-04 19:57:04 +03:00
|
|
|
{ NULL },
|
|
|
|
};
|
|
|
|
|
2012-06-22 15:33:09 +03:00
|
|
|
AVFILTER_DEFINE_CLASS(abuffer);
|
2012-05-04 19:57:04 +03:00
|
|
|
|
2013-03-13 10:26:39 +03:00
|
|
|
static av_cold int init_audio(AVFilterContext *ctx)
|
2012-05-04 19:57:04 +03:00
|
|
|
{
|
|
|
|
BufferSourceContext *s = ctx->priv;
|
2021-08-31 16:03:14 +02:00
|
|
|
char buf[128];
|
2012-05-04 19:57:04 +03:00
|
|
|
int ret = 0;
|
|
|
|
|
2019-12-04 15:41:07 +02:00
|
|
|
if (s->sample_fmt == AV_SAMPLE_FMT_NONE) {
|
2013-12-16 18:37:37 +03:00
|
|
|
av_log(ctx, AV_LOG_ERROR, "Sample format was not set or was invalid\n");
|
2013-04-10 16:58:52 +03:00
|
|
|
return AVERROR(EINVAL);
|
2012-05-04 19:57:04 +03:00
|
|
|
}
|
|
|
|
|
2021-08-31 16:03:14 +02:00
|
|
|
if (s->channel_layout_str || s->ch_layout.nb_channels) {
|
2012-12-26 18:50:57 +03:00
|
|
|
int n;
|
2014-06-29 14:26:04 +03:00
|
|
|
|
2021-08-31 16:03:14 +02:00
|
|
|
if (!s->ch_layout.nb_channels) {
|
|
|
|
ret = av_channel_layout_from_string(&s->ch_layout, s->channel_layout_str);
|
|
|
|
if (ret < 0) {
|
2024-01-20 17:26:08 +02:00
|
|
|
av_log(ctx, AV_LOG_ERROR, "Invalid channel layout %s.\n",
|
2017-02-21 08:51:46 +02:00
|
|
|
s->channel_layout_str);
|
2024-01-20 17:26:08 +02:00
|
|
|
return AVERROR(EINVAL);
|
2017-02-21 08:51:46 +02:00
|
|
|
}
|
2014-06-29 14:26:04 +03:00
|
|
|
}
|
2021-08-31 16:03:14 +02:00
|
|
|
|
|
|
|
n = s->ch_layout.nb_channels;
|
|
|
|
av_channel_layout_describe(&s->ch_layout, buf, sizeof(buf));
|
2012-12-26 18:50:57 +03:00
|
|
|
if (s->channels) {
|
|
|
|
if (n != s->channels) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR,
|
|
|
|
"Mismatching channel count %d and layout '%s' "
|
|
|
|
"(%d channels)\n",
|
2021-08-31 16:03:14 +02:00
|
|
|
s->channels, buf, n);
|
2013-04-10 16:58:52 +03:00
|
|
|
return AVERROR(EINVAL);
|
2012-12-26 18:50:57 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
s->channels = n;
|
|
|
|
} else if (!s->channels) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Neither number of channels nor "
|
|
|
|
"channel layout specified\n");
|
2013-04-10 16:58:52 +03:00
|
|
|
return AVERROR(EINVAL);
|
2021-08-31 16:03:14 +02:00
|
|
|
} else {
|
|
|
|
s->ch_layout = FF_COUNT2LAYOUT(s->channels);
|
|
|
|
av_channel_layout_describe(&s->ch_layout, buf, sizeof(buf));
|
2012-12-26 18:50:57 +03:00
|
|
|
}
|
2012-05-04 19:57:04 +03:00
|
|
|
|
|
|
|
if (!s->time_base.num)
|
|
|
|
s->time_base = (AVRational){1, s->sample_rate};
|
|
|
|
|
2012-07-14 19:26:04 +03:00
|
|
|
av_log(ctx, AV_LOG_VERBOSE,
|
2012-06-22 12:39:27 +03:00
|
|
|
"tb:%d/%d samplefmt:%s samplerate:%d chlayout:%s\n",
|
2013-12-16 18:37:37 +03:00
|
|
|
s->time_base.num, s->time_base.den, av_get_sample_fmt_name(s->sample_fmt),
|
2021-08-31 16:03:14 +02:00
|
|
|
s->sample_rate, buf);
|
2012-05-04 19:57:04 +03:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2011-12-30 22:56:06 +03:00
|
|
|
static av_cold void uninit(AVFilterContext *ctx)
|
|
|
|
{
|
|
|
|
BufferSourceContext *s = ctx->priv;
|
2016-02-02 10:47:16 +02:00
|
|
|
av_buffer_unref(&s->hw_frames_ctx);
|
2021-08-31 16:03:14 +02:00
|
|
|
av_channel_layout_uninit(&s->ch_layout);
|
2011-12-30 22:56:06 +03:00
|
|
|
}
|
|
|
|
|
2010-05-07 04:25:00 +03:00
|
|
|
static int query_formats(AVFilterContext *ctx)
|
|
|
|
{
|
|
|
|
BufferSourceContext *c = ctx->priv;
|
2012-05-04 19:57:04 +03:00
|
|
|
AVFilterChannelLayouts *channel_layouts = NULL;
|
|
|
|
AVFilterFormats *formats = NULL;
|
|
|
|
AVFilterFormats *samplerates = NULL;
|
2023-10-20 16:55:43 +02:00
|
|
|
AVFilterFormats *color_spaces = NULL;
|
|
|
|
AVFilterFormats *color_ranges = NULL;
|
2015-10-05 05:39:25 +02:00
|
|
|
int ret;
|
2012-05-04 19:57:04 +03:00
|
|
|
|
|
|
|
switch (ctx->outputs[0]->type) {
|
2023-10-20 16:55:43 +02:00
|
|
|
case AVMEDIA_TYPE_VIDEO: {
|
|
|
|
enum AVPixelFormat swfmt = c->pix_fmt;
|
|
|
|
if (av_pix_fmt_desc_get(swfmt)->flags & AV_PIX_FMT_FLAG_HWACCEL) {
|
|
|
|
if (!c->hw_frames_ctx) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Setting BufferSourceContext.pix_fmt "
|
|
|
|
"to a HW format requires hw_frames_ctx to be non-NULL!\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
swfmt = ((AVHWFramesContext *) c->hw_frames_ctx->data)->sw_format;
|
|
|
|
}
|
2015-10-05 05:39:25 +02:00
|
|
|
if ((ret = ff_add_format (&formats, c->pix_fmt)) < 0 ||
|
|
|
|
(ret = ff_set_common_formats (ctx , formats )) < 0)
|
|
|
|
return ret;
|
2023-10-20 16:55:43 +02:00
|
|
|
/* force specific colorspace/range downstream only for ordinary YUV */
|
|
|
|
if (ff_fmt_is_regular_yuv(swfmt)) {
|
|
|
|
if ((ret = ff_add_format(&color_spaces, c->color_space)) < 0 ||
|
|
|
|
(ret = ff_set_common_color_spaces(ctx, color_spaces)) < 0)
|
|
|
|
return ret;
|
2024-01-12 10:16:16 +02:00
|
|
|
if ((ret = ff_add_format(&color_ranges, c->color_range)) < 0)
|
|
|
|
return ret;
|
|
|
|
if (c->color_range == AVCOL_RANGE_UNSPECIFIED) {
|
|
|
|
/* allow implicitly promoting unspecified to mpeg */
|
|
|
|
if ((ret = ff_add_format(&color_ranges, AVCOL_RANGE_MPEG)) < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
if ((ret = ff_set_common_color_ranges(ctx, color_ranges)) < 0)
|
2023-10-20 16:55:43 +02:00
|
|
|
return ret;
|
|
|
|
}
|
2012-05-04 19:57:04 +03:00
|
|
|
break;
|
2023-10-20 16:55:43 +02:00
|
|
|
}
|
2012-05-04 19:57:04 +03:00
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
2015-10-05 05:39:25 +02:00
|
|
|
if ((ret = ff_add_format (&formats , c->sample_fmt )) < 0 ||
|
|
|
|
(ret = ff_set_common_formats (ctx , formats )) < 0 ||
|
|
|
|
(ret = ff_add_format (&samplerates, c->sample_rate)) < 0 ||
|
|
|
|
(ret = ff_set_common_samplerates (ctx , samplerates )) < 0)
|
|
|
|
return ret;
|
2012-05-04 19:57:04 +03:00
|
|
|
|
2021-08-31 16:03:14 +02:00
|
|
|
if ((ret = ff_add_channel_layout(&channel_layouts, &c->ch_layout)) < 0)
|
2015-10-05 05:39:25 +02:00
|
|
|
return ret;
|
|
|
|
if ((ret = ff_set_common_channel_layouts(ctx, channel_layouts)) < 0)
|
|
|
|
return ret;
|
2012-05-04 19:57:04 +03:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
2010-05-07 04:25:00 +03:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int config_props(AVFilterLink *link)
|
|
|
|
{
|
2024-08-05 18:00:30 +02:00
|
|
|
FilterLink *l = ff_filter_link(link);
|
2010-05-07 04:25:00 +03:00
|
|
|
BufferSourceContext *c = link->src->priv;
|
|
|
|
|
2012-05-04 19:57:04 +03:00
|
|
|
switch (link->type) {
|
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
|
|
link->w = c->w;
|
|
|
|
link->h = c->h;
|
|
|
|
link->sample_aspect_ratio = c->pixel_aspect;
|
2016-02-02 10:47:16 +02:00
|
|
|
|
|
|
|
if (c->hw_frames_ctx) {
|
2024-08-05 18:00:30 +02:00
|
|
|
l->hw_frames_ctx = av_buffer_ref(c->hw_frames_ctx);
|
|
|
|
if (!l->hw_frames_ctx)
|
2016-02-02 10:47:16 +02:00
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
}
|
2012-05-04 19:57:04 +03:00
|
|
|
break;
|
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
2024-03-23 17:10:22 +02:00
|
|
|
if (!c->ch_layout.nb_channels || c->ch_layout.order == AV_CHANNEL_ORDER_UNSPEC) {
|
2021-08-31 16:03:14 +02:00
|
|
|
int ret = av_channel_layout_copy(&c->ch_layout, &link->ch_layout);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
2012-05-04 19:57:04 +03:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
2010-05-07 04:25:00 +03:00
|
|
|
|
2012-05-04 19:57:04 +03:00
|
|
|
link->time_base = c->time_base;
|
2024-08-06 08:50:21 +02:00
|
|
|
l->frame_rate = c->frame_rate;
|
2010-05-07 04:25:00 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2023-10-27 14:26:50 +02:00
|
|
|
static int activate(AVFilterContext *ctx)
|
2010-05-07 04:25:00 +03:00
|
|
|
{
|
2023-10-27 14:26:50 +02:00
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
BufferSourceContext *c = ctx->priv;
|
2010-05-07 04:25:00 +03:00
|
|
|
|
2023-10-27 14:26:50 +02:00
|
|
|
if (!c->eof && ff_outlink_get_status(outlink)) {
|
|
|
|
c->eof = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (c->eof) {
|
|
|
|
ff_outlink_set_status(outlink, AVERROR_EOF, c->last_pts);
|
|
|
|
return 0;
|
|
|
|
}
|
2019-12-02 18:01:50 +02:00
|
|
|
c->nb_failed_requests++;
|
2023-10-27 14:26:50 +02:00
|
|
|
return FFERROR_NOT_READY;
|
2010-05-07 04:25:00 +03:00
|
|
|
}
|
|
|
|
|
2012-07-24 16:14:01 +03:00
|
|
|
static const AVFilterPad avfilter_vsrc_buffer_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.config_props = config_props,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2021-04-19 18:33:56 +02:00
|
|
|
const AVFilter ff_vsrc_buffer = {
|
2010-05-07 04:25:00 +03:00
|
|
|
.name = "buffer",
|
2010-07-21 20:14:08 +03:00
|
|
|
.description = NULL_IF_CONFIG_SMALL("Buffer video frames, and make them accessible to the filterchain."),
|
2010-05-07 04:25:00 +03:00
|
|
|
.priv_size = sizeof(BufferSourceContext),
|
2023-10-27 14:26:50 +02:00
|
|
|
.activate = activate,
|
2012-05-04 19:57:04 +03:00
|
|
|
.init = init_video,
|
2011-12-30 22:56:06 +03:00
|
|
|
.uninit = uninit,
|
2010-05-07 04:25:00 +03:00
|
|
|
|
2012-09-16 14:58:49 +03:00
|
|
|
.inputs = NULL,
|
2021-08-12 13:05:31 +02:00
|
|
|
FILTER_OUTPUTS(avfilter_vsrc_buffer_outputs),
|
2021-09-27 12:07:35 +02:00
|
|
|
FILTER_QUERY_FUNC(query_formats),
|
2012-08-13 14:40:01 +03:00
|
|
|
.priv_class = &buffer_class,
|
2010-05-07 04:25:00 +03:00
|
|
|
};
|
2012-05-04 19:57:04 +03:00
|
|
|
|
2012-07-24 16:14:01 +03:00
|
|
|
static const AVFilterPad avfilter_asrc_abuffer_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_AUDIO,
|
|
|
|
.config_props = config_props,
|
|
|
|
},
|
2010-05-07 04:25:00 +03:00
|
|
|
};
|
2012-05-04 19:57:04 +03:00
|
|
|
|
2021-04-19 18:33:56 +02:00
|
|
|
const AVFilter ff_asrc_abuffer = {
|
2012-05-04 19:57:04 +03:00
|
|
|
.name = "abuffer",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Buffer audio frames, and make them accessible to the filterchain."),
|
|
|
|
.priv_size = sizeof(BufferSourceContext),
|
2023-10-27 14:26:50 +02:00
|
|
|
.activate = activate,
|
2012-05-04 19:57:04 +03:00
|
|
|
.init = init_audio,
|
|
|
|
.uninit = uninit,
|
|
|
|
|
2012-09-16 14:58:49 +03:00
|
|
|
.inputs = NULL,
|
2021-08-12 13:05:31 +02:00
|
|
|
FILTER_OUTPUTS(avfilter_asrc_abuffer_outputs),
|
2021-09-27 12:07:35 +02:00
|
|
|
FILTER_QUERY_FUNC(query_formats),
|
2012-08-13 14:40:01 +03:00
|
|
|
.priv_class = &abuffer_class,
|
2012-05-04 19:57:04 +03:00
|
|
|
};
|