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af_channelmap: cosmetics, use an extra local variable to shorten the code

This commit is contained in:
Anton Khirnov 2013-04-14 12:10:50 +02:00
parent aafed1175d
commit c0771a1ac6
1 changed files with 8 additions and 7 deletions
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15
libavfilter/af_channelmap.c
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@ -362,24 +362,25 @@ static int channelmap_config_input(AVFilterLink *inlink)
char layout_name[256];
for (i = 0; i < s->nch; i++) {
struct ChannelMap *m = &s->map[i];
if (s->mode == MAP_PAIR_STR_INT || s->mode == MAP_PAIR_STR_STR) {
s->map[i].in_channel_idx = av_get_channel_layout_channel_index(
inlink->channel_layout, s->map[i].in_channel);
m->in_channel_idx = av_get_channel_layout_channel_index(
inlink->channel_layout, m->in_channel);
}
if (s->map[i].in_channel_idx < 0 ||
s->map[i].in_channel_idx >= nb_channels) {
if (m->in_channel_idx < 0 || m->in_channel_idx >= nb_channels) {
av_get_channel_layout_string(layout_name, sizeof(layout_name),
0, inlink->channel_layout);
if (s->map[i].in_channel) {
channel_name = av_get_channel_name(s->map[i].in_channel);
if (m->in_channel) {
channel_name = av_get_channel_name(m->in_channel);
av_log(ctx, AV_LOG_ERROR,
"input channel '%s' not available from input layout '%s'\n",
channel_name, layout_name);
} else {
av_log(ctx, AV_LOG_ERROR,
"input channel #%d not available from input layout '%s'\n",
s->map[i].in_channel_idx, layout_name);
m->in_channel_idx, layout_name);
}
err = AVERROR(EINVAL);
}