try to use file sample type for cache entries and play-file playback

allow paplay to use STDIN
add new module: module-match


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@244 fefdeb5f-60dc-0310-8127-8f9354f1896f

doc/todo

@@ -11,10 +11,8 @@
 - pacat sample type args
 - filter capture data in client through alignment
 - add redirection module
-- add matching module
 - add radio module
 - make autoload list use idxset
-- improve file load to note force sample typ to PA_SAMPLE_FLOAT32
 
 ** later ***
 - xmlrpc/http

polyp/Makefile.am

@@ -105,7 +105,8 @@ modlib_LTLIBRARIES= \
 		module-sine.la \
 		module-combine.la \
 		module-esound-compat-spawnfd.la \
-		module-esound-compat-spawnpid.la
+		module-esound-compat-spawnpid.la \
+		module-match.la
 
 lib_LTLIBRARIES= \
 		libpolyp-@PA_MAJORMINOR@.la \
@@ -305,6 +306,10 @@ module_combine_la_SOURCES = module-combine.c
 module_combine_la_LDFLAGS = -module -avoid-version
 module_combine_la_LIBADD = $(AM_LIBADD)
 
+module_match_la_SOURCES = module-match.c
+module_match_la_LDFLAGS = -module -avoid-version
+module_match_la_LIBADD = $(AM_LIBADD)
+
 module_esound_compat_spawnfd_la_SOURCES = module-esound-compat-spawnfd.c
 module_esound_compat_spawnfd_la_LDFLAGS = -module -avoid-version
 module_esound_compat_spawnfd_la_LIBADD = $(AM_LIBADD)

polyp/module-match.c

@@ -0,0 +1,217 @@
+/* $Id$ */
+
+/***
+  This file is part of polypaudio.
+ 
+  polypaudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published
+  by the Free Software Foundation; either version 2 of the License,
+  or (at your option) any later version.
+ 
+  polypaudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+ 
+  You should have received a copy of the GNU General Public License
+  along with polypaudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "module.h"
+#include "util.h"
+#include "modargs.h"
+#include "log.h"
+#include "subscribe.h"
+#include "xmalloc.h"
+#include "sink-input.h"
+
+PA_MODULE_AUTHOR("Lennart Poettering")
+PA_MODULE_DESCRIPTION("Sink input matching module")
+PA_MODULE_USAGE("table=<filename>")
+PA_MODULE_VERSION(PACKAGE_VERSION)
+
+#define WHITESPACE "\n\r \t"
+
+static const char* const valid_modargs[] = {
+    "table",
+    NULL,
+};
+
+struct rule {
+    regex_t regex;
+    pa_volume_t volume;
+    struct rule *next;
+};
+
+struct userdata {
+    struct rule *rules;
+    struct pa_subscription *subscription;
+};
+
+static int load_rules(struct userdata *u, const char *filename) {
+    FILE *f;
+    int n = 0;
+    int ret = -1;
+    struct rule *end = NULL;
+
+    if (!(f = fopen(filename, "r"))) {
+        pa_log(__FILE__": failed to open file '%s': %s\n", filename, strerror(errno));
+        goto finish;
+    }
+
+    while (!feof(f)) {
+        char *d, *v, *e = NULL;
+        pa_volume_t volume;
+        regex_t regex;
+        char ln[256];
+        struct rule *rule;
+        
+        if (!fgets(ln, sizeof(ln), f))
+            break;
+
+        n++;
+        
+        pa_strip_nl(ln);
+
+        if (ln[0] == '#' || !*ln )
+            continue;
+
+        d = ln+strcspn(ln, WHITESPACE);
+        v = d+strspn(d, WHITESPACE);
+
+        
+        if (!*v) {
+            pa_log(__FILE__ ": [%s:%u] failed to parse line - too few words\n", filename, n);
+            goto finish;
+        }
+
+        *d = 0;
+        
+        volume = (pa_volume_t) strtol(v, &e, 0);
+
+        if (!e || *e) {
+            pa_log(__FILE__": [%s:%u] failed to parse volume\n", filename, n);
+            goto finish;
+        }
+
+        if (regcomp(&regex, ln, REG_EXTENDED|REG_NOSUB) != 0) {
+            pa_log(__FILE__": [%s:%u] invalid regular expression\n", filename, n);
+            goto finish;
+        }
+
+        rule = pa_xmalloc(sizeof(struct rule));
+        rule->regex = regex;
+        rule->volume = volume;
+        rule->next = NULL;
+
+        if (end)
+            end->next = rule;
+        else
+            u->rules = rule;
+        end = rule;
+        
+        *d = 0;
+    }
+
+    ret = 0;
+    
+finish:
+    if (f)
+        fclose(f);
+
+    return ret;
+}
+
+static void callback(struct pa_core *c, enum pa_subscription_event_type t, uint32_t index, void *userdata) {
+    struct userdata *u =  userdata;
+    struct pa_sink_input *si;
+    struct rule *r;
+    assert(c && u);
+
+    if (t != (PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW))
+        return;
+
+    if (!(si = pa_idxset_get_by_index(c->sink_inputs, index))) {
+        pa_log(__FILE__": WARNING: failed to get sink input\n");
+        return;
+    }
+
+    if (!si->name)
+        return;
+    
+    for (r = u->rules; r; r = r->next) {
+        if (!regexec(&r->regex, si->name, 0, NULL, 0)) {
+            pa_log(__FILE__": changing volume of sink input '%s' to 0x%03x\n", si->name, r->volume);
+            pa_sink_input_set_volume(si, r->volume);
+        }
+    }
+}
+
+int pa__init(struct pa_core *c, struct pa_module*m) {
+    struct pa_modargs *ma = NULL;
+    int ret = -1;
+    const char *table_file;
+    struct userdata *u;
+    assert(c && m);
+
+    if (!(ma = pa_modargs_new(m->argument, valid_modargs)) ||
+        !(table_file = pa_modargs_get_value(ma, "table", NULL))) {
+        pa_log(__FILE__": Failed to parse module arguments\n");
+        goto finish;
+    }
+
+    u = pa_xmalloc(sizeof(struct userdata));
+    u->rules = NULL;
+    u->subscription = NULL;
+    
+    if (load_rules(u, table_file) < 0)
+        goto finish;
+
+    u->subscription = pa_subscription_new(c, PA_SUBSCRIPTION_MASK_SINK_INPUT, callback, u);
+    
+    ret = 0;
+
+finish:
+    if (ma)
+        pa_modargs_free(ma);
+
+    return ret;
+}
+
+void pa__done(struct pa_core *c, struct pa_module*m) {
+    struct userdata* u;
+    struct rule *r, *n;
+    assert(c && m);
+
+    if (!(u = m->userdata))
+        return;
+
+    if (u->subscription)
+        pa_subscription_free(u->subscription);
+    
+    for (r = u->rules; r; r = n) {
+        n = r->next;
+
+        regfree(&r->regex);
+        pa_xfree(r);
+    }
+
+    pa_xfree(u);
+}
+
+

polyp/paplay.c

@@ -192,7 +192,7 @@ static void exit_signal_callback(struct pa_mainloop_api*m, struct pa_signal_even
 
 static void help(const char *argv0) {
 
-    printf("%s [options] FILE\n\n"
+    printf("%s [options] [FILE]\n\n"
            "  -h, --help                            Show this help\n"
            "      --version                         Show version\n\n"
            "  -v, --verbose                         Enable verbose operations\n\n"
@@ -213,7 +213,7 @@ enum {
 int main(int argc, char *argv[]) {
     struct pa_mainloop* m = NULL;
     int ret = 1, r, c;
-    char *bn, *server = NULL;
+    char *bn, *server = NULL, *filename;
     SF_INFO sfinfo;
 
     static const struct option long_options[] = {
@@ -281,24 +281,28 @@ int main(int argc, char *argv[]) {
         }
     }
 
-    if (optind >= argc) {
-        fprintf(stderr, "Missing file name.\n");
-        goto quit;
-    }
 
+    filename = optind < argc ? argv[optind] : "STDIN";
+    
+    
     if (!client_name)
         client_name = strdup(bn);
 
     if (!stream_name)
-        stream_name = strdup(argv[optind]);
+        stream_name = strdup(filename);
 
     memset(&sfinfo, 0, sizeof(sfinfo));
-    
-    if (!(sndfile = sf_open(argv[optind], SFM_READ, &sfinfo))) {
-        fprintf(stderr, "Faile to open file '%s'\n", argv[optind]);
+
+    if (optind < argc)
+        sndfile = sf_open(filename, SFM_READ, &sfinfo);
+    else
+        sndfile = sf_open_fd(STDIN_FILENO, SFM_READ, &sfinfo, 0);
+
+    if (!sndfile) {
+        fprintf(stderr, "Failed to open file '%s'\n", filename);
         goto quit;
     }
-
+              
     sample_spec.rate = sfinfo.samplerate;
     sample_spec.channels = sfinfo.channels;
     

polyp/scache.c

@@ -37,6 +37,7 @@
 #include "subscribe.h"
 #include "namereg.h"
 #include "sound-file.h"
+#include "util.h"
 
 #define UNLOAD_POLL_TIME 2
 
@@ -199,6 +200,7 @@ void pa_scache_free(struct pa_core *c) {
 
 int pa_scache_play_item(struct pa_core *c, const char *name, struct pa_sink *sink, uint32_t volume) {
     struct pa_scache_entry *e;
+    char *t;
     assert(c && name && sink);
 
     if (!(e = pa_namereg_get(c, name, PA_NAMEREG_SAMPLE, 1)))
@@ -214,8 +216,13 @@ int pa_scache_play_item(struct pa_core *c, const char *name, struct pa_sink *sin
     if (!e->memchunk.memblock)
         return -1;
 
-    if (pa_play_memchunk(sink, name, &e->sample_spec, &e->memchunk, pa_volume_multiply(volume, e->volume)) < 0)
+    t = pa_sprintf_malloc("sample:%s", name);
+    if (pa_play_memchunk(sink, t, &e->sample_spec, &e->memchunk, pa_volume_multiply(volume, e->volume)) < 0) {
+        free(t);
         return -1;
+    }
+
+    free(t);
 
     if (e->lazy)
         time(&e->last_used_time);

polyp/sound-file-stream.c

@@ -41,6 +41,7 @@ struct userdata {
     SNDFILE *sndfile;
     struct pa_sink_input *sink_input;
     struct pa_memchunk memchunk;
+    sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames);
 };
 
 static void free_userdata(struct userdata *u) {
@@ -78,7 +79,7 @@ static int sink_input_peek(struct pa_sink_input *i, struct pa_memchunk *chunk) {
 
         u->memchunk.memblock = pa_memblock_new(BUF_SIZE, i->sink->core->memblock_stat);
         u->memchunk.index = 0;
-        samples = sf_readf_float(u->sndfile, u->memchunk.memblock->data, samples);
+        samples = u->readf_function(u->sndfile, u->memchunk.memblock->data, samples);
         u->memchunk.length = samples*fs;
         
         if (!u->memchunk.length) {
@@ -136,7 +137,21 @@ int pa_play_file(struct pa_sink *sink, const char *fname, pa_volume_t volume) {
         goto fail;
     }
 
-    ss.format = PA_SAMPLE_FLOAT32;
+    switch (sfinfo.format & 0xFF) {
+        case SF_FORMAT_PCM_16:
+        case SF_FORMAT_PCM_U8:
+        case SF_FORMAT_ULAW:
+        case SF_FORMAT_ALAW:
+            ss.format = PA_SAMPLE_S16NE;
+            u->readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_short;
+            break;
+        case SF_FORMAT_FLOAT:
+        default:
+            ss.format = PA_SAMPLE_FLOAT32NE;
+            u->readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_float;
+            break;
+    }
+            
     ss.rate = sfinfo.samplerate;
     ss.channels = sfinfo.channels;
 

polyp/sound-file.c

@@ -39,19 +39,34 @@ int pa_sound_file_load(const char *fname, struct pa_sample_spec *ss, struct pa_m
     SF_INFO sfinfo;
     int ret = -1;
     size_t l;
+    sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames);
     assert(fname && ss && chunk);
 
-    memset(&sfinfo, 0, sizeof(sfinfo));
-
     chunk->memblock = NULL;
     chunk->index = chunk->length = 0;
-    
+
+    memset(&sfinfo, 0, sizeof(sfinfo));
+
     if (!(sf = sf_open(fname, SFM_READ, &sfinfo))) {
         pa_log(__FILE__": Failed to open file %s\n", fname);
         goto finish;
     }
 
-    ss->format = PA_SAMPLE_FLOAT32;
+    switch (sfinfo.format & 0xFF) {
+        case SF_FORMAT_PCM_16:
+        case SF_FORMAT_PCM_U8:
+        case SF_FORMAT_ULAW:
+        case SF_FORMAT_ALAW:
+            ss->format = PA_SAMPLE_S16NE;
+            readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_short;
+            break;
+        case SF_FORMAT_FLOAT:
+        default:
+            ss->format = PA_SAMPLE_FLOAT32NE;
+            readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_float;
+            break;
+    }
+
     ss->rate = sfinfo.samplerate;
     ss->channels = sfinfo.channels;
 
@@ -70,7 +85,7 @@ int pa_sound_file_load(const char *fname, struct pa_sample_spec *ss, struct pa_m
     chunk->index = 0;
     chunk->length = l;
 
-    if (sf_readf_float(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) {
+    if (readf_function(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) {
         pa_log(__FILE__": Premature file end\n");
         goto finish;
     }

polyp/util.c

@@ -518,3 +518,10 @@ int pa_lock_file(int fd, int b) {
 
     return 0;
 }
+
+char* pa_strip_nl(char *s) {
+    assert(s);
+
+    s[strcspn(s, "\r\n")] = 0;
+    return s;
+}

polyp/util.h

@@ -62,6 +62,8 @@ int pa_parse_boolean(const char *s);
 char *pa_split(const char *c, const char*delimiters, const char **state);
 char *pa_split_spaces(const char *c, const char **state);
 
+char *pa_strip_nl(char *s);
+
 const char *pa_strsignal(int sig);
 
 int pa_parse_resample_method(const char *string);