41 int validate_layout(const ChannelLayout *layout)  in validate_layout()  argument
45    max_channel = layout->nb_streams+layout->nb_coupled_streams;  in validate_layout()
48    for (i=0;i<layout->nb_channels;i++)  in validate_layout()
50       if (layout->mapping[i] >= max_channel && layout->mapping[i] != 255)  in validate_layout()
57 int get_left_channel(const ChannelLayout *layout, int stream_id, int prev)  in get_left_channel()  argument
61    for (;i<layout->nb_channels;i++)  in get_left_channel()
63       if (layout->mapping[i]==stream_id*2)  in get_left_channel()
69 int get_right_channel(const ChannelLayout *layout, int stream_id, int prev)  in get_right_channel()  argument
73    for (;i<layout->nb_channels;i++)  in get_right_channel()
75       if (layout->mapping[i]==stream_id*2+1)  in get_right_channel()
81 int get_mono_channel(const ChannelLayout *layout, int stream_id, int prev)  in get_mono_channel()  argument
85    for (;i<layout->nb_channels;i++)  in get_mono_channel()
87       if (layout->mapping[i]==stream_id+layout->nb_coupled_streams)  in get_mono_channel()