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-rw-r--r--audio/format.h137
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diff --git a/audio/format.h b/audio/format.h
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+++ b/audio/format.h
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+/*
+ * The sample format system used lin libaf is based on bitmasks.
+ * The format definition only refers to the storage format,
+ * not the resolution.
+ *
+ * This file is part of MPlayer.
+ *
+ * MPlayer 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.
+ *
+ * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPLAYER_AF_FORMAT_H
+#define MPLAYER_AF_FORMAT_H
+
+#include <sys/types.h>
+#include "config.h"
+#include "bstr.h"
+
+// Endianness
+#define AF_FORMAT_BE (0<<0) // Big Endian
+#define AF_FORMAT_LE (1<<0) // Little Endian
+#define AF_FORMAT_END_MASK (1<<0)
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define AF_FORMAT_NE AF_FORMAT_BE
+#else
+#define AF_FORMAT_NE AF_FORMAT_LE
+#endif
+
+// Signed/unsigned
+#define AF_FORMAT_SI (0<<1) // Signed
+#define AF_FORMAT_US (1<<1) // Unsigned
+#define AF_FORMAT_SIGN_MASK (1<<1)
+
+// Fixed or floating point
+#define AF_FORMAT_I (0<<2) // Int
+#define AF_FORMAT_F (1<<2) // Foating point
+#define AF_FORMAT_POINT_MASK (1<<2)
+
+// Bits used
+#define AF_FORMAT_8BIT (0<<3)
+#define AF_FORMAT_16BIT (1<<3)
+#define AF_FORMAT_24BIT (2<<3)
+#define AF_FORMAT_32BIT (3<<3)
+#define AF_FORMAT_40BIT (4<<3)
+#define AF_FORMAT_48BIT (5<<3)
+#define AF_FORMAT_BITS_MASK (7<<3)
+
+// Special flags refering to non pcm data
+#define AF_FORMAT_MU_LAW (1<<6)
+#define AF_FORMAT_A_LAW (2<<6)
+#define AF_FORMAT_MPEG2 (3<<6) // MPEG(2) audio
+#define AF_FORMAT_AC3 (4<<6) // Dolby Digital AC3
+#define AF_FORMAT_IMA_ADPCM (5<<6)
+#define AF_FORMAT_IEC61937 (6<<6)
+#define AF_FORMAT_SPECIAL_MASK (7<<6)
+
+#define AF_FORMAT_MASK ((1<<9)-1)
+
+// PREDEFINED formats
+
+#define AF_FORMAT_U8 (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_8BIT|AF_FORMAT_NE)
+#define AF_FORMAT_S8 (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_8BIT|AF_FORMAT_NE)
+#define AF_FORMAT_U16_LE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_16BIT|AF_FORMAT_LE)
+#define AF_FORMAT_U16_BE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_16BIT|AF_FORMAT_BE)
+#define AF_FORMAT_S16_LE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_16BIT|AF_FORMAT_LE)
+#define AF_FORMAT_S16_BE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_16BIT|AF_FORMAT_BE)
+#define AF_FORMAT_U24_LE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_24BIT|AF_FORMAT_LE)
+#define AF_FORMAT_U24_BE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_24BIT|AF_FORMAT_BE)
+#define AF_FORMAT_S24_LE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_24BIT|AF_FORMAT_LE)
+#define AF_FORMAT_S24_BE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_24BIT|AF_FORMAT_BE)
+#define AF_FORMAT_U32_LE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_32BIT|AF_FORMAT_LE)
+#define AF_FORMAT_U32_BE (AF_FORMAT_I|AF_FORMAT_US|AF_FORMAT_32BIT|AF_FORMAT_BE)
+#define AF_FORMAT_S32_LE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_32BIT|AF_FORMAT_LE)
+#define AF_FORMAT_S32_BE (AF_FORMAT_I|AF_FORMAT_SI|AF_FORMAT_32BIT|AF_FORMAT_BE)
+
+#define AF_FORMAT_FLOAT_LE (AF_FORMAT_F|AF_FORMAT_32BIT|AF_FORMAT_LE)
+#define AF_FORMAT_FLOAT_BE (AF_FORMAT_F|AF_FORMAT_32BIT|AF_FORMAT_BE)
+
+#define AF_FORMAT_AC3_LE (AF_FORMAT_AC3|AF_FORMAT_16BIT|AF_FORMAT_LE)
+#define AF_FORMAT_AC3_BE (AF_FORMAT_AC3|AF_FORMAT_16BIT|AF_FORMAT_BE)
+
+#define AF_FORMAT_IEC61937_LE (AF_FORMAT_IEC61937|AF_FORMAT_16BIT|AF_FORMAT_LE)
+#define AF_FORMAT_IEC61937_BE (AF_FORMAT_IEC61937|AF_FORMAT_16BIT|AF_FORMAT_BE)
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define AF_FORMAT_U16_NE AF_FORMAT_U16_BE
+#define AF_FORMAT_S16_NE AF_FORMAT_S16_BE
+#define AF_FORMAT_U24_NE AF_FORMAT_U24_BE
+#define AF_FORMAT_S24_NE AF_FORMAT_S24_BE
+#define AF_FORMAT_U32_NE AF_FORMAT_U32_BE
+#define AF_FORMAT_S32_NE AF_FORMAT_S32_BE
+#define AF_FORMAT_FLOAT_NE AF_FORMAT_FLOAT_BE
+#define AF_FORMAT_AC3_NE AF_FORMAT_AC3_BE
+#define AF_FORMAT_IEC61937_NE AF_FORMAT_IEC61937_BE
+#else
+#define AF_FORMAT_U16_NE AF_FORMAT_U16_LE
+#define AF_FORMAT_S16_NE AF_FORMAT_S16_LE
+#define AF_FORMAT_U24_NE AF_FORMAT_U24_LE
+#define AF_FORMAT_S24_NE AF_FORMAT_S24_LE
+#define AF_FORMAT_U32_NE AF_FORMAT_U32_LE
+#define AF_FORMAT_S32_NE AF_FORMAT_S32_LE
+#define AF_FORMAT_FLOAT_NE AF_FORMAT_FLOAT_LE
+#define AF_FORMAT_AC3_NE AF_FORMAT_AC3_LE
+#define AF_FORMAT_IEC61937_NE AF_FORMAT_IEC61937_LE
+#endif
+
+#define AF_FORMAT_UNKNOWN (-1)
+
+#define AF_FORMAT_IS_AC3(fmt) (((fmt) & AF_FORMAT_SPECIAL_MASK) == AF_FORMAT_AC3)
+#define AF_FORMAT_IS_IEC61937(fmt) (((fmt) & AF_FORMAT_SPECIAL_MASK) == AF_FORMAT_IEC61937)
+
+struct af_fmt_entry {
+ const char *name;
+ int format;
+};
+
+extern const struct af_fmt_entry af_fmtstr_table[];
+
+int af_str2fmt_short(bstr str);
+int af_fmt2bits(int format);
+int af_bits2fmt(int bits);
+char* af_fmt2str(int format, char* str, int size);
+const char* af_fmt2str_short(int format);
+
+#endif /* MPLAYER_AF_FORMAT_H */