Lines Matching defs:nb_channels

253 int av_get_extended_channel_layout(const char *name, uint64_t* channel_layout, int* nb_channels)
261         *nb_channels = av_get_channel_layout_nb_channels(layout);
268         *nb_channels = nb;
276                               int nb_channels, uint64_t channel_layout)
280     if (nb_channels <= 0)
281         nb_channels = av_get_channel_layout_nb_channels(channel_layout);
284         if (nb_channels    == channel_layout_map[i].layout.nb_channels &&
290     av_bprintf(bp, "%d channels", nb_channels);
310                                   int nb_channels, uint64_t channel_layout)
315     av_bprint_channel_layout(&bp, nb_channels, channel_layout);
323 int64_t av_get_default_channel_layout(int nb_channels) {
326         if (nb_channels == channel_layout_map[i].layout.nb_channels)
396     channel_layout->nb_channels = av_popcount64(mask);
406     int channels = 0, nb_channels = 0, native = 1;
433         channel_layout->nb_channels = (order + 1) * (order + 1);
439             if (extra.nb_channels >= INT_MAX - channel_layout->nb_channels) {
449                     av_calloc(channel_layout->nb_channels + extra.nb_channels,
456                 for (i = 0; i < channel_layout->nb_channels; i++)
458                 for (i = 0; i < extra.nb_channels; i++) {
464                     channel_layout->u.map[channel_layout->nb_channels + i].id = ch;
467                         av_strlcpy(channel_layout->u.map[channel_layout->nb_channels + i].name,
469                                    sizeof(channel_layout->u.map[channel_layout->nb_channels + i].name));
472             channel_layout->nb_channels += extra.nb_channels;
484     av_sscanf(str, "%d channels (%[^)]", &nb_channels, chlist);
540         if (nb_channels && ((nb_channels != channels) || (!end || *++end)))
550         if (nb_channels && ((nb_channels != channels) || (!end || *++end))) {
562         channel_layout->nb_channels = channels;
623         channel_layout->nb_channels = channels;
642         dst->u.map = av_malloc_array(src->nb_channels, sizeof(*dst->u.map));
645         memcpy(dst->u.map, src->u.map, src->nb_channels * sizeof(*src->u.map));
661         highest_ambi = channel_layout->nb_channels - av_popcount64(channel_layout->u.mask) - 1;
666         for (i = 0; i < channel_layout->nb_channels; i++) {
709     if (nb_ambi_channels < channel_layout->nb_channels) {
714             extra.nb_channels = av_popcount64(channel_layout->u.mask);
718             extra.nb_channels = channel_layout->nb_channels - nb_ambi_channels;
749         if (channel_layout->nb_channels)
750             av_bprintf(bp, "%d channels (", channel_layout->nb_channels);
751         for (i = 0; i < channel_layout->nb_channels; i++) {
761         if (channel_layout->nb_channels) {
767         av_bprintf(bp, "%d channels", channel_layout->nb_channels);
799     if (idx >= channel_layout->nb_channels)
806         int ambi_channels = channel_layout->nb_channels - av_popcount64(channel_layout->u.mask);
844         for (i = 0; i < channel_layout->nb_channels; i++)
851         int ambi_channels = channel_layout->nb_channels - av_popcount64(mask);
887         for (int i = 0; chname && i < channel_layout->nb_channels; i++) {
906     if (channel_layout->nb_channels <= 0)
911         return av_popcount64(channel_layout->u.mask) == channel_layout->nb_channels;
915         for (int i = 0; i < channel_layout->nb_channels; i++) {
922         return av_popcount64(channel_layout->u.mask) < channel_layout->nb_channels;
935     if (chl->nb_channels != chl1->nb_channels)
953     for (i = 0; i < chl->nb_channels; i++)
960 void av_channel_layout_default(AVChannelLayout *ch_layout, int nb_channels)
964         if (nb_channels == channel_layout_map[i].layout.nb_channels) {
970     ch_layout->nb_channels = nb_channels;