diff options
Diffstat (limited to 'libavfilter/defaults.c')
| -rw-r--r-- | libavfilter/defaults.c | 68 |
1 files changed, 49 insertions, 19 deletions
diff --git a/libavfilter/defaults.c b/libavfilter/defaults.c index ec61480c34..31dc18d9f7 100644 --- a/libavfilter/defaults.c +++ b/libavfilter/defaults.c @@ -2,23 +2,24 @@ * Filter layer - default implementations * Copyright (c) 2007 Bobby Bingham * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * 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" @@ -27,22 +28,51 @@ #include "internal.h" #include "formats.h" -/** - * default config_link() implementation for output video links to simplify - * the implementation of one input one output video filters */ -int avfilter_default_config_output_link(AVFilterLink *link) +static void set_common_formats(AVFilterContext *ctx, AVFilterFormats *fmts, + enum AVMediaType type, int offin, int offout) { - if (link->src->input_count && link->src->inputs[0]) { - if (link->type == AVMEDIA_TYPE_VIDEO) { - link->w = link->src->inputs[0]->w; - link->h = link->src->inputs[0]->h; - link->time_base = link->src->inputs[0]->time_base; - } - } else { - /* XXX: any non-simple filter which would cause this branch to be taken - * really should implement its own config_props() for this link. */ - return -1; + 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); } +} - return 0; +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)); +} + +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)); } |