diff options
Diffstat (limited to 'libavfilter/af_channelmap.c')
| -rw-r--r-- | libavfilter/af_channelmap.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/libavfilter/af_channelmap.c b/libavfilter/af_channelmap.c index d028e28..4cc92c9 100644 --- a/libavfilter/af_channelmap.c +++ b/libavfilter/af_channelmap.c @@ -1,20 +1,20 @@ /* * Copyright (c) 2012 Google, Inc. * - * 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 */ @@ -68,11 +68,12 @@ typedef struct ChannelMapContext { #define OFFSET(x) offsetof(ChannelMapContext, x) #define A AV_OPT_FLAG_AUDIO_PARAM +#define F AV_OPT_FLAG_FILTERING_PARAM static const AVOption options[] = { { "map", "A comma-separated list of input channel numbers in output order.", - OFFSET(mapping_str), AV_OPT_TYPE_STRING, .flags = A }, + OFFSET(mapping_str), AV_OPT_TYPE_STRING, .flags = A|F }, { "channel_layout", "Output channel layout.", - OFFSET(channel_layout_str), AV_OPT_TYPE_STRING, .flags = A }, + OFFSET(channel_layout_str), AV_OPT_TYPE_STRING, .flags = A|F }, { NULL }, }; @@ -122,7 +123,7 @@ static int get_channel(char **map, uint64_t *ch, char delim) static av_cold int channelmap_init(AVFilterContext *ctx, const char *args) { ChannelMapContext *s = ctx->priv; - int ret; + int ret = 0; char *mapping, separator = '|'; int map_entries = 0; char buf[256]; @@ -384,7 +385,8 @@ static const AVFilterPad avfilter_af_channelmap_inputs[] = { .name = "default", .type = AVMEDIA_TYPE_AUDIO, .filter_frame = channelmap_filter_frame, - .config_props = channelmap_config_input + .config_props = channelmap_config_input, + .needs_writable = 1, }, { NULL } }; |
