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86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*
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* Copyright (c) 2013 Georg Martius <georg dot martius at web dot de>
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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 "vidstabutils.h"
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/** convert AV's pixelformat to vid.stab pixelformat */
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VSPixelFormat ff_av2vs_pixfmt(AVFilterContext *ctx, enum AVPixelFormat pf)
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{
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switch (pf) {
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case AV_PIX_FMT_YUV420P: return PF_YUV420P;
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case AV_PIX_FMT_YUV422P: return PF_YUV422P;
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case AV_PIX_FMT_YUV444P: return PF_YUV444P;
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case AV_PIX_FMT_YUV410P: return PF_YUV410P;
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case AV_PIX_FMT_YUV411P: return PF_YUV411P;
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case AV_PIX_FMT_YUV440P: return PF_YUV440P;
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case AV_PIX_FMT_YUVA420P: return PF_YUVA420P;
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case AV_PIX_FMT_GRAY8: return PF_GRAY8;
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case AV_PIX_FMT_RGB24: return PF_RGB24;
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case AV_PIX_FMT_BGR24: return PF_BGR24;
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case AV_PIX_FMT_RGBA: return PF_RGBA;
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default:
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av_log(ctx, AV_LOG_ERROR, "cannot deal with pixel format %i\n", pf);
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return PF_NONE;
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}
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}
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/** struct to hold a valid context for logging from within vid.stab lib */
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typedef struct VS2AVLogCtx {
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const AVClass *class;
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} VS2AVLogCtx;
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/** wrapper to log vs_log into av_log */
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static int vs2av_log(int type, const char *tag, const char *format, ...)
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{
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va_list ap;
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VS2AVLogCtx ctx;
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AVClass class = {
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.class_name = tag,
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.item_name = av_default_item_name,
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.option = 0,
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.version = LIBAVUTIL_VERSION_INT,
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.category = AV_CLASS_CATEGORY_FILTER,
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};
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ctx.class = &class;
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va_start(ap, format);
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av_vlog(&ctx, type, format, ap);
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va_end(ap);
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return VS_OK;
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}
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/** sets the memory allocation function and logging constants to av versions */
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void ff_vs_init(void)
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{
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vs_malloc = av_malloc;
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vs_zalloc = av_mallocz;
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vs_realloc = av_realloc;
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vs_free = av_free;
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VS_ERROR_TYPE = AV_LOG_ERROR;
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VS_WARN_TYPE = AV_LOG_WARNING;
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VS_INFO_TYPE = AV_LOG_INFO;
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VS_MSG_TYPE = AV_LOG_VERBOSE;
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vs_log = vs2av_log;
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VS_ERROR = 0;
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VS_OK = 1;
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}
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