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d0ad91c258
* qatar/master: os_support: Define SHUT_RD, SHUT_WR and SHUT_RDWR on OS/2 http: Add support for reading http POST reply headers http: Add http_shutdown() for ending writing of posts tcp: Allow signalling end of reading/writing avio: Add a function for signalling end of reading/writing lavfi: fix comment, audio is supported now. lavfi: fix incorrect comment. lavfi: remove avfilter_null_* from public API on next bump. lavfi: remove avfilter_default_* from public API on next bump. lavfi: deprecate default config_props() callback and refactor avfilter_config_links() avfiltergraph: smarter sample format selection. avconv: rename transcode_audio/video to decode_audio/video. asyncts: reset delta to 0 when it's not used. x86: lavc: use %if HAVE_AVX guards around AVX functions in yasm code. dwt: return errors from ff_slice_buffer_init() Conflicts: ffmpeg.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/formats.c libavfilter/version.h libavfilter/vf_blackframe.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_format.c libavfilter/vf_showinfo.c libavfilter/video.c libavfilter/video.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/*
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* This file is part of FFMpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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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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* FFmpeg is distributed in the hope that it will be useful,
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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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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_FORMATS_H
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#define AVFILTER_FORMATS_H
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#include "avfilter.h"
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typedef struct AVFilterChannelLayouts {
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uint64_t *channel_layouts; ///< list of channel layouts
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int nb_channel_layouts; ///< number of channel layouts
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unsigned refcount; ///< number of references to this list
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struct AVFilterChannelLayouts ***refs; ///< references to this list
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} AVFilterChannelLayouts;
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/**
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* Return a channel layouts/samplerates list which contains the intersection of
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* the layouts/samplerates of a and b. Also, all the references of a, all the
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* references of b, and a and b themselves will be deallocated.
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*
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* If a and b do not share any common elements, neither is modified, and NULL
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* is returned.
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*/
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AVFilterChannelLayouts *ff_merge_channel_layouts(AVFilterChannelLayouts *a,
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AVFilterChannelLayouts *b);
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AVFilterFormats *ff_merge_samplerates(AVFilterFormats *a,
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AVFilterFormats *b);
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/**
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* Construct an empty AVFilterChannelLayouts/AVFilterFormats struct --
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* representing any channel layout/sample rate.
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*/
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AVFilterChannelLayouts *ff_all_channel_layouts(void);
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AVFilterFormats *ff_all_samplerates(void);
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AVFilterChannelLayouts *avfilter_make_format64_list(const int64_t *fmts);
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/**
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* A helper for query_formats() which sets all links to the same list of channel
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* layouts/sample rates. If there are no links hooked to this filter, the list
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* is freed.
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*/
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void ff_set_common_channel_layouts(AVFilterContext *ctx,
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AVFilterChannelLayouts *layouts);
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void ff_set_common_samplerates(AVFilterContext *ctx,
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AVFilterFormats *samplerates);
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int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout);
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/**
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* Add *ref as a new reference to f.
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*/
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void ff_channel_layouts_ref(AVFilterChannelLayouts *f,
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AVFilterChannelLayouts **ref);
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/**
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* Remove a reference to a channel layouts list.
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*/
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void ff_channel_layouts_unref(AVFilterChannelLayouts **ref);
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void ff_channel_layouts_changeref(AVFilterChannelLayouts **oldref,
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AVFilterChannelLayouts **newref);
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int ff_default_query_formats(AVFilterContext *ctx);
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#endif // AVFILTER_FORMATS_H
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