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authorLennart Poettering <lennart@poettering.net>2009-04-29 23:22:08 +0200
committerLennart Poettering <lennart@poettering.net>2009-04-29 23:22:08 +0200
commit390fe02aa9215692c385e90028df1acdf6a73f77 (patch)
tree8d81ad0f217d68691803047ac5c2908c4c4e1f8a
parent84a92f2a88e9655a4d54410b37d9ca1d741646b9 (diff)
http: split out mime type handling calls
-rw-r--r--src/Makefile.am2
-rw-r--r--src/pulsecore/mime-type.c179
-rw-r--r--src/pulsecore/mime-type.h37
-rw-r--r--src/pulsecore/protocol-http.c159
4 files changed, 222 insertions, 155 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 719f9dd3..c3c69459 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -883,7 +883,7 @@ libprotocol_cli_la_SOURCES = pulsecore/protocol-cli.c pulsecore/protocol-cli.h
libprotocol_cli_la_LDFLAGS = -avoid-version
libprotocol_cli_la_LIBADD = $(AM_LIBADD) libpulsecore-@PA_MAJORMINORMICRO@.la libpulsecommon-@PA_MAJORMINORMICRO@.la libpulse.la libcli.la
-libprotocol_http_la_SOURCES = pulsecore/protocol-http.c pulsecore/protocol-http.h
+libprotocol_http_la_SOURCES = pulsecore/protocol-http.c pulsecore/protocol-http.h pulsecore/mime-type.c pulsecore/mime-type.h
libprotocol_http_la_LDFLAGS = -avoid-version
libprotocol_http_la_LIBADD = $(AM_LIBADD) libpulsecore-@PA_MAJORMINORMICRO@.la libpulsecommon-@PA_MAJORMINORMICRO@.la libpulse.la
diff --git a/src/pulsecore/mime-type.c b/src/pulsecore/mime-type.c
new file mode 100644
index 00000000..55b8ffd5
--- /dev/null
+++ b/src/pulsecore/mime-type.c
@@ -0,0 +1,179 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2005-2009 Lennart Poettering
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License,
+ or (at your option) any later version.
+
+ PulseAudio 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 Lesser General Public License
+ along with PulseAudio; 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 <pulse/xmalloc.h>
+#include <pulsecore/core-util.h>
+
+#include "mime-type.h"
+
+pa_bool_t pa_sample_spec_is_mime(const pa_sample_spec *ss, const pa_channel_map *cm) {
+
+ pa_assert(pa_channel_map_compatible(cm, ss));
+
+ switch (ss->format) {
+ case PA_SAMPLE_S16BE:
+ case PA_SAMPLE_S24BE:
+ case PA_SAMPLE_U8:
+
+ if (ss->rate != 8000 &&
+ ss->rate != 11025 &&
+ ss->rate != 16000 &&
+ ss->rate != 22050 &&
+ ss->rate != 24000 &&
+ ss->rate != 32000 &&
+ ss->rate != 44100 &&
+ ss->rate != 48000)
+ return FALSE;
+
+ if (ss->channels != 1 &&
+ ss->channels != 2)
+ return FALSE;
+
+ if ((cm->channels == 1 && cm->map[0] != PA_CHANNEL_POSITION_MONO) ||
+ (cm->channels == 2 && (cm->map[0] != PA_CHANNEL_POSITION_LEFT || cm->map[1] != PA_CHANNEL_POSITION_RIGHT)))
+ return FALSE;
+
+ return TRUE;
+
+ case PA_SAMPLE_ULAW:
+
+ if (ss->rate != 8000)
+ return FALSE;
+
+ if (ss->channels != 1)
+ return FALSE;
+
+ if (cm->map[0] != PA_CHANNEL_POSITION_MONO)
+ return FALSE;
+
+ return TRUE;
+
+ default:
+ return FALSE;
+ }
+}
+
+void pa_sample_spec_mimefy(pa_sample_spec *ss, pa_channel_map *cm) {
+
+ pa_assert(pa_channel_map_compatible(cm, ss));
+
+ /* Turns the sample type passed in into the next 'better' one that
+ * can be encoded for HTTP. If there is no 'better' one we pick
+ * the 'best' one that is 'worse'. */
+
+ if (ss->channels > 2)
+ ss->channels = 2;
+
+ if (ss->rate > 44100)
+ ss->rate = 48000;
+ else if (ss->rate > 32000)
+ ss->rate = 44100;
+ else if (ss->rate > 24000)
+ ss->rate = 32000;
+ else if (ss->rate > 22050)
+ ss->rate = 24000;
+ else if (ss->rate > 16000)
+ ss->rate = 22050;
+ else if (ss->rate > 11025)
+ ss->rate = 16000;
+ else if (ss->rate > 8000)
+ ss->rate = 11025;
+ else
+ ss->rate = 8000;
+
+ switch (ss->format) {
+ case PA_SAMPLE_S24BE:
+ case PA_SAMPLE_S24LE:
+ case PA_SAMPLE_S24_32LE:
+ case PA_SAMPLE_S24_32BE:
+ case PA_SAMPLE_S32LE:
+ case PA_SAMPLE_S32BE:
+ case PA_SAMPLE_FLOAT32LE:
+ case PA_SAMPLE_FLOAT32BE:
+ ss->format = PA_SAMPLE_S24BE;
+ break;
+
+ case PA_SAMPLE_S16BE:
+ case PA_SAMPLE_S16LE:
+ ss->format = PA_SAMPLE_S16BE;
+ break;
+
+ case PA_SAMPLE_ULAW:
+ case PA_SAMPLE_ALAW:
+
+ if (ss->rate == 8000 && ss->channels == 1)
+ ss->format = PA_SAMPLE_ULAW;
+ else
+ ss->format = PA_SAMPLE_S16BE;
+ break;
+
+ case PA_SAMPLE_U8:
+ ss->format = PA_SAMPLE_U8;
+ break;
+
+ case PA_SAMPLE_MAX:
+ case PA_SAMPLE_INVALID:
+ pa_assert_not_reached();
+ }
+
+ pa_channel_map_init_auto(cm, ss->channels, PA_CHANNEL_MAP_DEFAULT);
+
+ pa_assert(pa_sample_spec_is_mime(ss, cm));
+}
+
+char *pa_sample_spec_to_mime_type(const pa_sample_spec *ss, const pa_channel_map *cm) {
+ pa_assert(pa_channel_map_compatible(cm, ss));
+
+ if (!pa_sample_spec_is_mime(ss, cm))
+ return NULL;
+
+ switch (ss->format) {
+
+ case PA_SAMPLE_S16BE:
+ case PA_SAMPLE_S24BE:
+ case PA_SAMPLE_U8:
+ return pa_sprintf_malloc("audio/%s; rate=%u; channels=%u",
+ ss->format == PA_SAMPLE_S16BE ? "L16" :
+ (ss->format == PA_SAMPLE_S24BE ? "L24" : "L8"),
+ ss->rate, ss->channels);
+
+ case PA_SAMPLE_ULAW:
+ return pa_xstrdup("audio/basic");
+
+ default:
+ pa_assert_not_reached();
+ }
+
+ pa_assert(pa_sample_spec_valid(ss));
+}
+
+char *pa_sample_spec_to_mime_type_mimefy(const pa_sample_spec *_ss, const pa_channel_map *_cm) {
+ pa_sample_spec ss = *_ss;
+ pa_channel_map cm = *_cm;
+
+ pa_sample_spec_mimefy(&ss, &cm);
+
+ return pa_sample_spec_to_mime_type(&ss, &cm);
+}
diff --git a/src/pulsecore/mime-type.h b/src/pulsecore/mime-type.h
new file mode 100644
index 00000000..db77379b
--- /dev/null
+++ b/src/pulsecore/mime-type.h
@@ -0,0 +1,37 @@
+#ifndef foopulsecoremimetypehfoo
+#define foopulsecoremimetypehfoo
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2009 Lennart Poettering
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License,
+ or (at your option) any later version.
+
+ PulseAudio 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 Lesser General Public License
+ along with PulseAudio; 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 <pulsecore/macro.h>
+#include <pulse/sample.h>
+#include <pulse/channelmap.h>
+
+pa_bool_t pa_sample_spec_is_mime(const pa_sample_spec *ss, const pa_channel_map *cm);
+void pa_sample_spec_mimefy(pa_sample_spec *ss, pa_channel_map *cm);
+char *pa_sample_spec_to_mime_type(const pa_sample_spec *ss, const pa_channel_map *cm);
+char *pa_sample_spec_to_mime_type_mimefy(const pa_sample_spec *_ss, const pa_channel_map *_cm);
+
+#endif
diff --git a/src/pulsecore/protocol-http.c b/src/pulsecore/protocol-http.c
index 64670244..46850b28 100644
--- a/src/pulsecore/protocol-http.c
+++ b/src/pulsecore/protocol-http.c
@@ -40,6 +40,7 @@
#include <pulsecore/cli-text.h>
#include <pulsecore/shared.h>
#include <pulsecore/core-error.h>
+#include <pulsecore/mime-type.h>
#include "protocol-http.h"
@@ -256,156 +257,6 @@ static void io_callback(pa_iochannel*io, void *userdata) {
do_work(c);
}
-static pa_bool_t is_mime_sample_spec(const pa_sample_spec *ss, const pa_channel_map *cm) {
-
- pa_assert(pa_channel_map_compatible(cm, ss));
-
- switch (ss->format) {
- case PA_SAMPLE_S16BE:
- case PA_SAMPLE_S24BE:
- case PA_SAMPLE_U8:
-
- if (ss->rate != 8000 &&
- ss->rate != 11025 &&
- ss->rate != 16000 &&
- ss->rate != 22050 &&
- ss->rate != 24000 &&
- ss->rate != 32000 &&
- ss->rate != 44100 &&
- ss->rate != 48000)
- return FALSE;
-
- if (ss->channels != 1 &&
- ss->channels != 2)
- return FALSE;
-
- if ((cm->channels == 1 && cm->map[0] != PA_CHANNEL_POSITION_MONO) ||
- (cm->channels == 2 && (cm->map[0] != PA_CHANNEL_POSITION_LEFT || cm->map[1] != PA_CHANNEL_POSITION_RIGHT)))
- return FALSE;
-
- return TRUE;
-
- case PA_SAMPLE_ULAW:
-
- if (ss->rate != 8000)
- return FALSE;
-
- if (ss->channels != 1)
- return FALSE;
-
- if (cm->map[0] != PA_CHANNEL_POSITION_MONO)
- return FALSE;
-
- return TRUE;
-
- default:
- return FALSE;
- }
-}
-
-static void mimefy_sample_spec(pa_sample_spec *ss, pa_channel_map *cm) {
-
- pa_assert(pa_channel_map_compatible(cm, ss));
-
- /* Turns the sample type passed in into the next 'better' one that
- * can be encoded for HTTP. If there is no 'better' one we pick
- * the 'best' one that is 'worse'. */
-
- if (ss->channels > 2)
- ss->channels = 2;
-
- if (ss->rate > 44100)
- ss->rate = 48000;
- else if (ss->rate > 32000)
- ss->rate = 44100;
- else if (ss->rate > 24000)
- ss->rate = 32000;
- else if (ss->rate > 22050)
- ss->rate = 24000;
- else if (ss->rate > 16000)
- ss->rate = 22050;
- else if (ss->rate > 11025)
- ss->rate = 16000;
- else if (ss->rate > 8000)
- ss->rate = 11025;
- else
- ss->rate = 8000;
-
- switch (ss->format) {
- case PA_SAMPLE_S24BE:
- case PA_SAMPLE_S24LE:
- case PA_SAMPLE_S24_32LE:
- case PA_SAMPLE_S24_32BE:
- case PA_SAMPLE_S32LE:
- case PA_SAMPLE_S32BE:
- case PA_SAMPLE_FLOAT32LE:
- case PA_SAMPLE_FLOAT32BE:
- ss->format = PA_SAMPLE_S24BE;
- break;
-
- case PA_SAMPLE_S16BE:
- case PA_SAMPLE_S16LE:
- ss->format = PA_SAMPLE_S16BE;
- break;
-
- case PA_SAMPLE_ULAW:
- case PA_SAMPLE_ALAW:
-
- if (ss->rate == 8000 && ss->channels == 1)
- ss->format = PA_SAMPLE_ULAW;
- else
- ss->format = PA_SAMPLE_S16BE;
- break;
-
- case PA_SAMPLE_U8:
- ss->format = PA_SAMPLE_U8;
- break;
-
- case PA_SAMPLE_MAX:
- case PA_SAMPLE_INVALID:
- pa_assert_not_reached();
- }
-
- pa_channel_map_init_auto(cm, ss->channels, PA_CHANNEL_MAP_DEFAULT);
-
- pa_assert(is_mime_sample_spec(ss, cm));
-}
-
-static char *sample_spec_to_mime_type(const pa_sample_spec *ss, const pa_channel_map *cm) {
- pa_assert(pa_channel_map_compatible(cm, ss));
-
- if (!is_mime_sample_spec(ss, cm))
- return NULL;
-
- switch (ss->format) {
-
- case PA_SAMPLE_S16BE:
- case PA_SAMPLE_S24BE:
- case PA_SAMPLE_U8:
- return pa_sprintf_malloc("audio/%s; rate=%u; channels=%u",
- ss->format == PA_SAMPLE_S16BE ? "L16" :
- (ss->format == PA_SAMPLE_S24BE ? "L24" : "L8"),
- ss->rate, ss->channels);
-
- case PA_SAMPLE_ULAW:
- return pa_xstrdup("audio/basic");
-
- default:
- pa_assert_not_reached();
- }
-
- pa_assert(pa_sample_spec_valid(ss));
-}
-
-static char *mimefy_and_stringify_sample_spec(const pa_sample_spec *_ss, const pa_channel_map *_cm) {
- pa_sample_spec ss = *_ss;
- pa_channel_map cm = *_cm;
-
- mimefy_sample_spec(&ss, &cm);
-
- return sample_spec_to_mime_type(&ss, &cm);
-}
-
static char *escape_html(const char *t) {
pa_strbuf *sb;
const char *p, *e;
@@ -587,7 +438,7 @@ static void handle_listen(struct connection *c) {
char *t, *m;
t = escape_html(pa_strna(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)));
- m = mimefy_and_stringify_sample_spec(&sink->sample_spec, &sink->channel_map);
+ m = pa_sample_spec_to_mime_type_mimefy(&sink->sample_spec, &sink->channel_map);
pa_ioline_printf(c->line,
"<a href=\"" URL_LISTEN_SOURCE "%s\" title=\"%s\">%s</a><br/>\n",
@@ -609,7 +460,7 @@ static void handle_listen(struct connection *c) {
continue;
t = escape_html(pa_strna(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)));
- m = mimefy_and_stringify_sample_spec(&source->sample_spec, &source->channel_map);
+ m = pa_sample_spec_to_mime_type_mimefy(&source->sample_spec, &source->channel_map);
pa_ioline_printf(c->line,
"<a href=\"" URL_LISTEN_SOURCE "%s\" title=\"%s\">%s</a><br/>\n",
@@ -666,7 +517,7 @@ static void handle_listen_prefix(struct connection *c, const char *source_name)
ss = source->sample_spec;
cm = source->channel_map;
- mimefy_sample_spec(&ss, &cm);
+ pa_sample_spec_mimefy(&ss, &cm);
pa_source_output_new_data_init(&data);
data.driver = __FILE__;
@@ -706,7 +557,7 @@ static void handle_listen_prefix(struct connection *c, const char *source_name)
pa_source_output_put(c->source_output);
- t = sample_spec_to_mime_type(&ss, &cm);
+ t = pa_sample_spec_to_mime_type(&ss, &cm);
http_response(c, 200, "OK", t);
pa_xfree(t);