More verbose debug for refine

diff --git a/src/pcm/pcm_params.c b/src/pcm/pcm_params.c
index 3257073..d7b168b 100644 (file)
--- a/src/pcm/pcm_params.c
+++ b/src/pcm/pcm_params.c
@@ -1959,9 +1959,15 @@ int snd_pcm_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
                                           snd_pcm_hw_params_t *sparams))
 
 {
+#ifdef RULES_DEBUG
+       snd_output_t *log;
+#endif
        snd_pcm_hw_params_t sparams;
        int err;
        unsigned int cmask, changed;
+#ifdef RULES_DEBUG
+       snd_output_stdio_attach(&log, stderr, 0);
+#endif
        err = cprepare(pcm, params);
        if (err < 0)
                return err;
@@ -1970,26 +1976,54 @@ int snd_pcm_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
                SNDERR("Slave PCM not useable");
                return err;
        }
+#ifdef RULES_DEBUG
+       snd_output_printf(log, "hw_refine_slave - enter '%s'\n", pcm->name);
+#endif
        do {
                cmask = params->cmask;
                params->cmask = 0;
+#ifdef RULES_DEBUG
+               snd_output_printf(log, "schange '%s'\n", pcm->name);
+               snd_pcm_hw_params_dump(params, log);
+#endif
                err = schange(pcm, params, &sparams);
                if (err >= 0) {
+#ifdef RULES_DEBUG
+                       snd_output_printf(log, "srefine '%s'\n", pcm->name);
+                       snd_pcm_hw_params_dump(params, log);
+#endif
                        err = srefine(pcm, &sparams);
                }
                if (err < 0) {
+#ifdef RULES_DEBUG
+                       snd_output_printf(log, "cchange '%s', schange < 0\n", pcm->name);
+                       snd_pcm_hw_params_dump(params, log);
+#endif
                        cchange(pcm, params, &sparams);
                        return err;
                }
+#ifdef RULES_DEBUG
+               snd_output_printf(log, "cchange '%s'\n", pcm->name);
+#endif
                err = cchange(pcm, params, &sparams);
                if (err < 0)
                        return err;
+#ifdef RULES_DEBUG
+               snd_output_printf(log, "refine_soft '%s'\n", pcm->name);
+#endif
                err = snd_pcm_hw_refine_soft(pcm, params);
                changed = params->cmask;
                params->cmask |= cmask;
                if (err < 0)
                        return err;
+#ifdef RULES_DEBUG
+               snd_output_printf(log, "refine_soft ok '%s'\n", pcm->name);
+#endif
        } while (changed);
+#ifdef RULES_DEBUG
+       snd_output_printf(log, "refine_slave - leave '%s'\n", pcm->name);
+       snd_output_close(log);
+#endif
        return 0;
 }