tag_rva2: convert to C++

1 files changed, 0 insertions, 150 deletions

diff --git a/src/tag_rva2.c b/src/tag_rva2.c
deleted file mode 100644
index 9250311b9..000000000
--- a/src/tag_rva2.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (C) 2003-2011 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 "config.h"
-#include "tag_rva2.h"
-#include "replay_gain_info.h"
-
-#include <stdint.h>
-#include <string.h>
-#include <glib.h>
-#include <id3tag.h>
-
-enum rva2_channel {
-	CHANNEL_OTHER = 0x00,
-	CHANNEL_MASTER_VOLUME = 0x01,
-	CHANNEL_FRONT_RIGHT = 0x02,
-	CHANNEL_FRONT_LEFT = 0x03,
-	CHANNEL_BACK_RIGHT = 0x04,
-	CHANNEL_BACK_LEFT = 0x05,
-	CHANNEL_FRONT_CENTRE = 0x06,
-	CHANNEL_BACK_CENTRE = 0x07,
-	CHANNEL_SUBWOOFER = 0x08
-};
-
-struct rva2_data {
-	uint8_t type;
-	uint8_t volume_adjustment[2];
-	uint8_t peak_bits;
-};
-
-static inline id3_length_t
-rva2_peak_bytes(const struct rva2_data *data)
-{
-	return (data->peak_bits + 7) / 8;
-}
-
-static inline int
-rva2_fixed_volume_adjustment(const struct rva2_data *data)
-{
-	signed int voladj_fixed;
-	voladj_fixed = (data->volume_adjustment[0] << 8) |
-		data->volume_adjustment[1];
-	voladj_fixed |= -(voladj_fixed & 0x8000);
-	return voladj_fixed;
-}
-
-static inline float
-rva2_float_volume_adjustment(const struct rva2_data *data)
-{
-	/*
-	 * "The volume adjustment is encoded as a fixed point decibel
-	 * value, 16 bit signed integer representing (adjustment*512),
-	 * giving +/- 64 dB with a precision of 0.001953125 dB."
-	 */
-
-	return (float)rva2_fixed_volume_adjustment(data) / (float)512;
-}
-
-static inline bool
-rva2_apply_data(struct replay_gain_info *replay_gain_info,
-		const struct rva2_data *data, const id3_latin1_t *id)
-{
-	if (data->type != CHANNEL_MASTER_VOLUME)
-		return false;
-
-	float volume_adjustment = rva2_float_volume_adjustment(data);
-
-	if (strcmp((const char *)id, "album") == 0)  {
-		replay_gain_info->tuples[REPLAY_GAIN_ALBUM].gain = volume_adjustment;
-	} else if (strcmp((const char *)id, "track") == 0) {
-		replay_gain_info->tuples[REPLAY_GAIN_TRACK].gain = volume_adjustment;
-	} else {
-		replay_gain_info->tuples[REPLAY_GAIN_ALBUM].gain = volume_adjustment;
-		replay_gain_info->tuples[REPLAY_GAIN_TRACK].gain = volume_adjustment;
-	}
-
-	return true;
-}
-
-static bool
-rva2_apply_frame(struct replay_gain_info *replay_gain_info,
-		 const struct id3_frame *frame)
-{
-	const id3_latin1_t *id = id3_field_getlatin1(id3_frame_field(frame, 0));
-	id3_length_t length;
-	const id3_byte_t *data =
-		id3_field_getbinarydata(id3_frame_field(frame, 1), &length);
-
-	if (id == NULL || data == NULL)
-		return false;
-
-	/*
-	 * "The 'identification' string is used to identify the
-	 * situation and/or device where this adjustment should apply.
-	 * The following is then repeated for every channel
-	 *
-	 *   Type of channel         $xx
-	 *   Volume adjustment       $xx xx
-	 *   Bits representing peak  $xx
-	 *   Peak volume             $xx (xx ...)"
-	 */
-
-	while (length >= 4) {
-		const struct rva2_data *d = (const struct rva2_data *)data;
-		unsigned int peak_bytes = rva2_peak_bytes(d);
-		if (4 + peak_bytes > length)
-			break;
-
-		if (rva2_apply_data(replay_gain_info, d, id))
-			return true;
-
-		data   += 4 + peak_bytes;
-		length -= 4 + peak_bytes;
-	}
-
-	return false;
-}
-
-bool
-tag_rva2_parse(struct id3_tag *tag, struct replay_gain_info *replay_gain_info)
-{
-	bool found = false;
-
-	/* Loop through all RVA2 frames as some programs (e.g. mp3gain) store
-	   track and album gain in separate tags */
-	const struct id3_frame *frame;
-	for (unsigned i = 0;
-	     (frame = id3_tag_findframe(tag, "RVA2", i)) != NULL;
-	     ++i)
-		if (rva2_apply_frame(replay_gain_info, frame))
-			found = true;
-
-	return found;
-}