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-rw-r--r--src/pcm/ChannelsConverter.hxx2
-rw-r--r--src/pcm/FormatConverter.hxx2
-rw-r--r--src/pcm/Order.hxx2
-rw-r--r--src/pcm/PcmConvert.cxx1
-rw-r--r--src/pcm/PcmExport.cxx1
-rw-r--r--src/pcm/PcmExport.hxx3
-rw-r--r--src/pcm/PcmFormat.hxx2
-rw-r--r--src/pcm/PcmMix.cxx1
-rw-r--r--src/pcm/PcmMix.hxx2
-rw-r--r--src/pcm/SampleFormat.cxx51
-rw-r--r--src/pcm/SampleFormat.hxx126
-rw-r--r--src/pcm/Silence.cxx2
-rw-r--r--src/pcm/Traits.hxx2
-rw-r--r--src/pcm/Volume.hxx2
14 files changed, 188 insertions, 11 deletions
diff --git a/src/pcm/ChannelsConverter.hxx b/src/pcm/ChannelsConverter.hxx
index be45ef71e..4cba279af 100644
--- a/src/pcm/ChannelsConverter.hxx
+++ b/src/pcm/ChannelsConverter.hxx
@@ -21,7 +21,7 @@
#define MPD_PCM_CHANNELS_CONVERTER_HXX
#include "check.h"
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
#include "PcmBuffer.hxx"
#ifndef NDEBUG
diff --git a/src/pcm/FormatConverter.hxx b/src/pcm/FormatConverter.hxx
index 1faa5c1a2..e0381bf39 100644
--- a/src/pcm/FormatConverter.hxx
+++ b/src/pcm/FormatConverter.hxx
@@ -21,7 +21,7 @@
#define MPD_PCM_FORMAT_CONVERTER_HXX
#include "check.h"
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
#include "PcmBuffer.hxx"
#include "PcmDither.hxx"
diff --git a/src/pcm/Order.hxx b/src/pcm/Order.hxx
index d5a1af820..ab32c3d63 100644
--- a/src/pcm/Order.hxx
+++ b/src/pcm/Order.hxx
@@ -21,7 +21,7 @@
#define MPD_PCM_ORDER_HXX
#include "check.h"
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
class PcmBuffer;
template<typename T> struct ConstBuffer;
diff --git a/src/pcm/PcmConvert.cxx b/src/pcm/PcmConvert.cxx
index 6658a48c6..0752b1db8 100644
--- a/src/pcm/PcmConvert.cxx
+++ b/src/pcm/PcmConvert.cxx
@@ -20,7 +20,6 @@
#include "config.h"
#include "PcmConvert.hxx"
#include "ConfiguredResampler.hxx"
-#include "AudioFormat.hxx"
#include "util/ConstBuffer.hxx"
#include <assert.h>
diff --git a/src/pcm/PcmExport.cxx b/src/pcm/PcmExport.cxx
index 6738ebada..fce50a4f3 100644
--- a/src/pcm/PcmExport.cxx
+++ b/src/pcm/PcmExport.cxx
@@ -19,6 +19,7 @@
#include "config.h"
#include "PcmExport.hxx"
+#include "AudioFormat.hxx"
#include "Order.hxx"
#include "PcmPack.hxx"
#include "util/ByteReverse.hxx"
diff --git a/src/pcm/PcmExport.hxx b/src/pcm/PcmExport.hxx
index 3e801a150..1639520d8 100644
--- a/src/pcm/PcmExport.hxx
+++ b/src/pcm/PcmExport.hxx
@@ -21,10 +21,11 @@
#define PCM_EXPORT_HXX
#include "check.h"
+#include "SampleFormat.hxx"
#include "PcmBuffer.hxx"
-#include "AudioFormat.hxx"
template<typename T> struct ConstBuffer;
+struct AudioFormat;
/**
* An object that handles export of PCM samples to some instance
diff --git a/src/pcm/PcmFormat.hxx b/src/pcm/PcmFormat.hxx
index 437e90e96..9faa1a003 100644
--- a/src/pcm/PcmFormat.hxx
+++ b/src/pcm/PcmFormat.hxx
@@ -20,7 +20,7 @@
#ifndef MPD_PCM_FORMAT_HXX
#define MPD_PCM_FORMAT_HXX
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
#include <stdint.h>
diff --git a/src/pcm/PcmMix.cxx b/src/pcm/PcmMix.cxx
index 5c19fa313..ae859dbf4 100644
--- a/src/pcm/PcmMix.cxx
+++ b/src/pcm/PcmMix.cxx
@@ -21,7 +21,6 @@
#include "PcmMix.hxx"
#include "Volume.hxx"
#include "PcmUtils.hxx"
-#include "AudioFormat.hxx"
#include "Traits.hxx"
#include "util/Clamp.hxx"
diff --git a/src/pcm/PcmMix.hxx b/src/pcm/PcmMix.hxx
index b12abd49a..9906d8920 100644
--- a/src/pcm/PcmMix.hxx
+++ b/src/pcm/PcmMix.hxx
@@ -20,7 +20,7 @@
#ifndef MPD_PCM_MIX_HXX
#define MPD_PCM_MIX_HXX
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
#include "Compiler.h"
#include <stddef.h>
diff --git a/src/pcm/SampleFormat.cxx b/src/pcm/SampleFormat.cxx
new file mode 100644
index 000000000..7968e69b7
--- /dev/null
+++ b/src/pcm/SampleFormat.cxx
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2003-2017 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "SampleFormat.hxx"
+
+const char *
+sample_format_to_string(SampleFormat format)
+{
+ switch (format) {
+ case SampleFormat::UNDEFINED:
+ return "?";
+
+ case SampleFormat::S8:
+ return "8";
+
+ case SampleFormat::S16:
+ return "16";
+
+ case SampleFormat::S24_P32:
+ return "24";
+
+ case SampleFormat::S32:
+ return "32";
+
+ case SampleFormat::FLOAT:
+ return "f";
+
+ case SampleFormat::DSD:
+ return "dsd";
+ }
+
+ /* unreachable */
+ assert(false);
+ gcc_unreachable();
+}
diff --git a/src/pcm/SampleFormat.hxx b/src/pcm/SampleFormat.hxx
new file mode 100644
index 000000000..e5b4c5985
--- /dev/null
+++ b/src/pcm/SampleFormat.hxx
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2003-2017 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_PCM_SAMPLE_FORMAT_HXX
+#define MPD_PCM_SAMPLE_FORMAT_HXX
+
+#include "Compiler.h"
+
+#include <assert.h>
+#include <stdint.h>
+
+#if defined(WIN32) && GCC_CHECK_VERSION(4,6)
+/* on WIN32, "FLOAT" is already defined, and this triggers -Wshadow */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
+#endif
+
+enum class SampleFormat : uint8_t {
+ UNDEFINED = 0,
+
+ S8,
+ S16,
+
+ /**
+ * Signed 24 bit integer samples, packed in 32 bit integers
+ * (the most significant byte is filled with the sign bit).
+ */
+ S24_P32,
+
+ S32,
+
+ /**
+ * 32 bit floating point samples in the host's format. The
+ * range is -1.0f to +1.0f.
+ */
+ FLOAT,
+
+ /**
+ * Direct Stream Digital. 1-bit samples; each frame has one
+ * byte (8 samples) per channel.
+ */
+ DSD,
+};
+
+#if defined(WIN32) && GCC_CHECK_VERSION(4,6)
+#pragma GCC diagnostic pop
+#endif
+
+/**
+ * Checks whether the sample format is valid.
+ */
+static inline bool
+audio_valid_sample_format(SampleFormat format)
+{
+ switch (format) {
+ case SampleFormat::S8:
+ case SampleFormat::S16:
+ case SampleFormat::S24_P32:
+ case SampleFormat::S32:
+ case SampleFormat::FLOAT:
+ case SampleFormat::DSD:
+ return true;
+
+ case SampleFormat::UNDEFINED:
+ break;
+ }
+
+ return false;
+}
+
+gcc_const
+static inline unsigned
+sample_format_size(SampleFormat format)
+{
+ switch (format) {
+ case SampleFormat::S8:
+ return 1;
+
+ case SampleFormat::S16:
+ return 2;
+
+ case SampleFormat::S24_P32:
+ case SampleFormat::S32:
+ case SampleFormat::FLOAT:
+ return 4;
+
+ case SampleFormat::DSD:
+ /* each frame has 8 samples per channel */
+ return 1;
+
+ case SampleFormat::UNDEFINED:
+ return 0;
+ }
+
+ assert(false);
+ gcc_unreachable();
+}
+
+/**
+ * Renders a #SampleFormat enum into a string, e.g. for printing it
+ * in a log file.
+ *
+ * @param format a #SampleFormat enum value
+ * @return the string
+ */
+gcc_pure gcc_malloc
+const char *
+sample_format_to_string(SampleFormat format);
+
+#endif
diff --git a/src/pcm/Silence.cxx b/src/pcm/Silence.cxx
index 150539e8e..b1883ab61 100644
--- a/src/pcm/Silence.cxx
+++ b/src/pcm/Silence.cxx
@@ -19,7 +19,7 @@
#include "config.h"
#include "Silence.hxx"
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
#include "util/WritableBuffer.hxx"
#include <string.h>
diff --git a/src/pcm/Traits.hxx b/src/pcm/Traits.hxx
index 90be1e19a..c0ef32388 100644
--- a/src/pcm/Traits.hxx
+++ b/src/pcm/Traits.hxx
@@ -21,7 +21,7 @@
#define MPD_PCM_TRAITS_HXX
#include "check.h"
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
#include <stdint.h>
#include <stddef.h>
diff --git a/src/pcm/Volume.hxx b/src/pcm/Volume.hxx
index b989ba12b..fde00b0f4 100644
--- a/src/pcm/Volume.hxx
+++ b/src/pcm/Volume.hxx
@@ -20,7 +20,7 @@
#ifndef MPD_PCM_VOLUME_HXX
#define MPD_PCM_VOLUME_HXX
-#include "AudioFormat.hxx"
+#include "SampleFormat.hxx"
#include "PcmBuffer.hxx"
#include "PcmDither.hxx"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 04:43:12 +0000