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78 lines
2.8 KiB
78 lines
2.8 KiB
/* |
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* Filter layer - default implementations |
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* Copyright (c) 2007 Bobby Bingham |
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* |
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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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#include "libavutil/avassert.h" |
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#include "libavutil/audioconvert.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/samplefmt.h" |
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#include "avfilter.h" |
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#include "internal.h" |
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#include "formats.h" |
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static void set_common_formats(AVFilterContext *ctx, AVFilterFormats *fmts, |
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enum AVMediaType type, int offin, int offout) |
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{ |
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int i; |
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for (i = 0; i < ctx->input_count; i++) |
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if (ctx->inputs[i] && ctx->inputs[i]->type == type) |
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ff_formats_ref(fmts, (AVFilterFormats **)((uint8_t *)ctx->inputs[i]+offout)); |
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for (i = 0; i < ctx->output_count; i++) |
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if (ctx->outputs[i] && ctx->outputs[i]->type == type) |
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ff_formats_ref(fmts, (AVFilterFormats **)((uint8_t *)ctx->outputs[i]+offin)); |
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if (!fmts->refcount) { |
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av_free(fmts->formats); |
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av_free(fmts->refs); |
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av_free(fmts); |
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} |
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} |
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void avfilter_set_common_pixel_formats(AVFilterContext *ctx, AVFilterFormats *formats) |
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{ |
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set_common_formats(ctx, formats, AVMEDIA_TYPE_VIDEO, |
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offsetof(AVFilterLink, in_formats), |
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offsetof(AVFilterLink, out_formats)); |
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} |
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void avfilter_set_common_sample_formats(AVFilterContext *ctx, AVFilterFormats *formats) |
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{ |
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set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO, |
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offsetof(AVFilterLink, in_formats), |
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offsetof(AVFilterLink, out_formats)); |
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} |
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void avfilter_set_common_channel_layouts(AVFilterContext *ctx, AVFilterFormats *formats) |
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{ |
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set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO, |
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offsetof(AVFilterLink, in_channel_layouts), |
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offsetof(AVFilterLink, out_channel_layouts)); |
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} |
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#if FF_API_PACKING |
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void avfilter_set_common_packing_formats(AVFilterContext *ctx, AVFilterFormats *formats) |
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{ |
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set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO, |
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offsetof(AVFilterLink, in_packing), |
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offsetof(AVFilterLink, out_packing)); |
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} |
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#endif
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