[PATCH] ladspa-sink, virtual-surround-sink: fix master sink argument handling

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On 14.04.2017 17:20, Tanu Kaskinen wrote:
> The old code worked incorrectly in several situations. For example,
> trying to use the "master" argument wouldn't work, because if
> "sink_master" wasn't specified, pa_namereg_get() would pick the default
> sink as the master sink.
> ---
>   src/modules/module-ladspa-sink.c           | 19 +++++++++++++------
>   src/modules/module-virtual-surround-sink.c | 19 +++++++++++++------
>   2 files changed, 26 insertions(+), 12 deletions(-)
>
> diff --git a/src/modules/module-ladspa-sink.c b/src/modules/module-ladspa-sink.c
> index 2409d610b..7b0c0d6d3 100644
> --- a/src/modules/module-ladspa-sink.c
> +++ b/src/modules/module-ladspa-sink.c
> @@ -967,6 +967,7 @@ int pa__init(pa_module*m) {
>       pa_channel_map map;
>       pa_modargs *ma;
>       char *t;
> +    const char *master_name;
>       pa_sink *master;
>       pa_sink_input_new_data sink_input_data;
>       pa_sink_new_data sink_data;
> @@ -987,12 +988,18 @@ int pa__init(pa_module*m) {
>           goto fail;
>       }
>   
> -    if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink_master", NULL), PA_NAMEREG_SINK))) {
> -        if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SINK))) {
> -            pa_log("Master sink not found.");
> -            goto fail;
> -        } else
> -            pa_log("Argument 'master' will be deprecated, please use 'sink_master' instead.");
> +    master_name = pa_modargs_get_value(ma, "sink_master", NULL);
> +    if (!master_name) {
> +        master_name = pa_modargs_get_value(ma, "master", NULL);
> +        if (master_name)
> +            pa_log_warn("The 'master' module argument is deprecated and may be removed in the future, "
> +                        "please use the 'sink_master' argument instead.");
> +    }
> +
> +    master = pa_namereg_get(m->core, master_name, PA_NAMEREG_SINK);
> +    if (!master) {
> +        pa_log("Master sink not found.");
> +        goto fail;
>       }
>   
>       ss = master->sample_spec;
> diff --git a/src/modules/module-virtual-surround-sink.c b/src/modules/module-virtual-surround-sink.c
> index 47716da21..60093e693 100644
> --- a/src/modules/module-virtual-surround-sink.c
> +++ b/src/modules/module-virtual-surround-sink.c
> @@ -581,6 +581,7 @@ int pa__init(pa_module*m) {
>       pa_sample_spec ss, sink_input_ss;
>       pa_channel_map map, sink_input_map;
>       pa_modargs *ma;
> +    const char *master_name;
>       pa_sink *master = NULL;
>       pa_sink_input_new_data sink_input_data;
>       pa_sink_new_data sink_data;
> @@ -611,12 +612,18 @@ int pa__init(pa_module*m) {
>           goto fail;
>       }
>   
> -    if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink_master", NULL), PA_NAMEREG_SINK))) {
> -        if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SINK))) {
> -            pa_log("Master sink not found.");
> -            goto fail;
> -        } else
> -            pa_log("Argument 'master' will be deprecated, please use 'sink_master' instead.");
> +    master_name = pa_modargs_get_value(ma, "sink_master", NULL);
> +    if (!master_name) {
> +        master_name = pa_modargs_get_value(ma, "master", NULL);
> +        if (master_name)
> +            pa_log_warn("The 'master' module argument is deprecated and may be removed in the future, "
> +                        "please use the 'sink_master' argument instead.");
> +    }
> +
> +    master = pa_namereg_get(m->core, master_name, PA_NAMEREG_SINK);
> +    if (!master) {
> +        pa_log("Master sink not found.");
> +        goto fail;
>       }
>   
>       pa_assert(master);

Looks good to me, sorry for not spotting that pa_namereg would pick the 
default sink
if sink_master was not specified.



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