From ca54f241756e764f70c919acd0c99c811762dcb1 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Wed, 8 Feb 2023 18:35:38 +0100 Subject: [PATCH] swresample: do not attempt to rematrix if channel map is provided Signed-off-by: Paul B Mahol --- libavfilter/af_pan.c | 6 +----- libswresample/swresample.c | 4 ++-- 2 files changed, 3 insertions(+), 7 deletions(-) diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c index 80c194b066..067f646805 100644 --- a/libavfilter/af_pan.c +++ b/libavfilter/af_pan.c @@ -313,9 +313,7 @@ static int config_props(AVFilterLink *link) pan->channel_map[i] = ch_id; } - av_opt_set_chlayout(pan->swr, "ichl", &link->ch_layout, 0); - av_opt_set_chlayout(pan->swr, "ochl", &pan->out_channel_layout, 0); - av_opt_set_int(pan->swr, "uch", link->ch_layout.nb_channels, 0); + av_opt_set_int(pan->swr, "uch", pan->nb_output_channels, 0); swr_set_channel_mapping(pan->swr, pan->channel_map); } else { // renormalize @@ -335,8 +333,6 @@ static int config_props(AVFilterLink *link) for (j = 0; j < link->ch_layout.nb_channels; j++) pan->gain[i][j] /= t; } - av_opt_set_chlayout(pan->swr, "ichl", &link->ch_layout, 0); - av_opt_set_chlayout(pan->swr, "ochl", &pan->out_channel_layout, 0); swr_set_matrix(pan->swr, pan->gain[0], pan->gain[1] - pan->gain[0]); } diff --git a/libswresample/swresample.c b/libswresample/swresample.c index 5884f8d533..7c8d9bfc97 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -312,9 +312,9 @@ av_cold int swr_init(struct SwrContext *s){ if (s->out_ch_layout.order == AV_CHANNEL_ORDER_UNSPEC) av_channel_layout_default(&s->out_ch_layout, s->out.ch_count); - s->rematrix = av_channel_layout_compare(&s->out_ch_layout, &s->in_ch_layout) || + s->rematrix = !s->channel_map && (av_channel_layout_compare(&s->out_ch_layout, &s->in_ch_layout) || s->rematrix_volume!=1.0 || - s->rematrix_custom; + s->rematrix_custom); if(s->int_sample_fmt == AV_SAMPLE_FMT_NONE){ if( av_get_bytes_per_sample(s-> in_sample_fmt) <= 2 -- 2.39.1