44   dmeta->from_channels = dmeta->to_channels = 0;  in gst_audio_downmix_meta_init()
72         smeta->from_channels, smeta->to_position, smeta->to_channels,  in gst_audio_downmix_meta_transform()
138     const GstAudioChannelPosition * from_position, gint from_channels,  in gst_buffer_add_audio_downmix_meta()  argument
146   g_return_val_if_fail (from_channels > 0, NULL);  in gst_buffer_add_audio_downmix_meta()
155   meta->from_channels = from_channels;  in gst_buffer_add_audio_downmix_meta()
159       g_new (GstAudioChannelPosition, meta->from_channels + meta->to_channels);  in gst_buffer_add_audio_downmix_meta()
160   meta->to_position = meta->from_position + meta->from_channels;  in gst_buffer_add_audio_downmix_meta()
162       sizeof (GstAudioChannelPosition) * meta->from_channels);  in gst_buffer_add_audio_downmix_meta()
167   meta->matrix[0] = g_new (gfloat, meta->from_channels * meta->to_channels);  in gst_buffer_add_audio_downmix_meta()
168   memcpy (meta->matrix[0], matrix[0], sizeof (gfloat) * meta->from_channels);  in gst_buffer_add_audio_downmix_meta()
170     meta->matrix[i] = meta->matrix[0] + i * meta->from_channels;  in gst_buffer_add_audio_downmix_meta()
171     memcpy (meta->matrix[i], matrix[i], sizeof (gfloat) * meta->from_channels);  in gst_buffer_add_audio_downmix_meta()