The planar/packed switch and the packing_formats list is no longer required, since the planar/packed information is now stored in the sample format enum. This is technically a major API break, possibly it should be not too painful as we marked the audio filtering API as unstable.
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Filter layer - default implementations
 | 
						|
 * Copyright (c) 2007 Bobby Bingham
 | 
						|
 *
 | 
						|
 * This file is part of FFmpeg.
 | 
						|
 *
 | 
						|
 * FFmpeg is free software; you can redistribute it and/or
 | 
						|
 * modify it under the terms of the GNU Lesser General Public
 | 
						|
 * License as published by the Free Software Foundation; either
 | 
						|
 * version 2.1 of the License, or (at your option) any later version.
 | 
						|
 *
 | 
						|
 * FFmpeg is distributed in the hope that it will be useful,
 | 
						|
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | 
						|
 * Lesser General Public License for more details.
 | 
						|
 *
 | 
						|
 * You should have received a copy of the GNU Lesser General Public
 | 
						|
 * License along with FFmpeg; if not, write to the Free Software
 | 
						|
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 | 
						|
 */
 | 
						|
 | 
						|
#include "libavutil/avassert.h"
 | 
						|
#include "libavutil/audioconvert.h"
 | 
						|
#include "libavutil/imgutils.h"
 | 
						|
#include "libavutil/samplefmt.h"
 | 
						|
 | 
						|
#include "avfilter.h"
 | 
						|
#include "internal.h"
 | 
						|
#include "formats.h"
 | 
						|
 | 
						|
static void set_common_formats(AVFilterContext *ctx, AVFilterFormats *fmts,
 | 
						|
                               enum AVMediaType type, int offin, int offout)
 | 
						|
{
 | 
						|
    int i;
 | 
						|
    for (i = 0; i < ctx->input_count; i++)
 | 
						|
        if (ctx->inputs[i] && ctx->inputs[i]->type == type)
 | 
						|
            avfilter_formats_ref(fmts,
 | 
						|
                                 (AVFilterFormats **)((uint8_t *)ctx->inputs[i]+offout));
 | 
						|
 | 
						|
    for (i = 0; i < ctx->output_count; i++)
 | 
						|
        if (ctx->outputs[i] && ctx->outputs[i]->type == type)
 | 
						|
            avfilter_formats_ref(fmts,
 | 
						|
                                 (AVFilterFormats **)((uint8_t *)ctx->outputs[i]+offin));
 | 
						|
 | 
						|
    if (!fmts->refcount) {
 | 
						|
        av_free(fmts->formats);
 | 
						|
        av_free(fmts->refs);
 | 
						|
        av_free(fmts);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void avfilter_set_common_pixel_formats(AVFilterContext *ctx, AVFilterFormats *formats)
 | 
						|
{
 | 
						|
    set_common_formats(ctx, formats, AVMEDIA_TYPE_VIDEO,
 | 
						|
                       offsetof(AVFilterLink, in_formats),
 | 
						|
                       offsetof(AVFilterLink, out_formats));
 | 
						|
}
 | 
						|
 | 
						|
void avfilter_set_common_sample_formats(AVFilterContext *ctx, AVFilterFormats *formats)
 | 
						|
{
 | 
						|
    set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO,
 | 
						|
                       offsetof(AVFilterLink, in_formats),
 | 
						|
                       offsetof(AVFilterLink, out_formats));
 | 
						|
}
 | 
						|
 | 
						|
void avfilter_set_common_channel_layouts(AVFilterContext *ctx, AVFilterFormats *formats)
 | 
						|
{
 | 
						|
    set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO,
 | 
						|
                       offsetof(AVFilterLink, in_channel_layouts),
 | 
						|
                       offsetof(AVFilterLink, out_channel_layouts));
 | 
						|
}
 | 
						|
 | 
						|
#if FF_API_PACKING
 | 
						|
void avfilter_set_common_packing_formats(AVFilterContext *ctx, AVFilterFormats *formats)
 | 
						|
{
 | 
						|
    set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO,
 | 
						|
                       offsetof(AVFilterLink, in_packing),
 | 
						|
                       offsetof(AVFilterLink, out_packing));
 | 
						|
}
 | 
						|
#endif
 |