1 files changed, 0 insertions, 507 deletions

diff --git a/1.4.23-rc4/formats/format_pcm.c b/1.4.23-rc4/formats/format_pcm.c
deleted file mode 100644
index a3deced7a..000000000
--- a/1.4.23-rc4/formats/format_pcm.c
+++ /dev/null
@@ -1,507 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2006, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief Flat, binary, ulaw PCM file format.
- * \arg File name extension: pcm, ulaw, ul, mu
- * 
- * \ingroup formats
- */
- 
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <unistd.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/file.h"
-#include "asterisk/logger.h"
-#include "asterisk/sched.h"
-#include "asterisk/module.h"
-#include "asterisk/endian.h"
-#include "asterisk/ulaw.h"
-#include "asterisk/alaw.h"
-
-#define BUF_SIZE 160		/* 160 bytes, and same number of samples */
-
-static char ulaw_silence[BUF_SIZE];
-static char alaw_silence[BUF_SIZE];
-
-/* #define REALTIME_WRITE */	/* XXX does it work at all ? */
-
-#ifdef REALTIME_WRITE
-struct pcm_desc {
-	unsigned long start_time;
-};
-
-/* Returns time in msec since system boot. */
-static unsigned long get_time(void)
-{
-	struct tms buf;
-	clock_t cur;
-
-	cur = times( &buf );
-	if( cur < 0 ) {
-		ast_log( LOG_WARNING, "Cannot get current time\n" );
-		return 0;
-	}
-	return cur * 1000 / sysconf( _SC_CLK_TCK );
-}
-
-static int pcma_open(struct ast_filestream *s)
-{
-	if (s->fmt->format == AST_FORMAT_ALAW)
-		pd->starttime = get_time();
-	return 0;
-}
-
-static int pcma_rewrite(struct ast_filestream *s, const char *comment)
-{
-	return pcma_open(s);
-}
-#endif
-
-static struct ast_frame *pcm_read(struct ast_filestream *s, int *whennext)
-{
-	int res;
-	
-	/* Send a frame from the file to the appropriate channel */
-
-	s->fr.frametype = AST_FRAME_VOICE;
-	s->fr.subclass = s->fmt->format;
-	s->fr.mallocd = 0;
-	AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
-	if ((res = fread(s->fr.data, 1, s->fr.datalen, s->f)) < 1) {
-		if (res)
-			ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno));
-		return NULL;
-	}
-	s->fr.datalen = res;
-	if (s->fmt->format == AST_FORMAT_G722)
-		*whennext = s->fr.samples = res * 2;
-	else
-		*whennext = s->fr.samples = res;
-	return &s->fr;
-}
-
-static int pcm_seek(struct ast_filestream *fs, off_t sample_offset, int whence)
-{
-	off_t cur, max, offset = 0;
- 	int ret = -1;	/* assume error */
-
-	cur = ftello(fs->f);
-	fseeko(fs->f, 0, SEEK_END);
-	max = ftello(fs->f);
-
-	switch (whence) {
-	case SEEK_SET:
-		offset = sample_offset;
-		break;
-	case SEEK_END:
-		offset = max - sample_offset;
-		break;
-	case SEEK_CUR:
-	case SEEK_FORCECUR:
-		offset = cur + sample_offset;
-		break;
-	default:
-		ast_log(LOG_WARNING, "invalid whence %d, assuming SEEK_SET\n", whence);
-		offset = sample_offset;
-	}
-	if (offset < 0) {
-		ast_log(LOG_WARNING, "negative offset %ld, resetting to 0\n", (long) offset);
-		offset = 0;
-	}
-	if (whence == SEEK_FORCECUR && offset > max) { /* extend the file */
-		size_t left = offset - max;
-		const char *src = (fs->fmt->format == AST_FORMAT_ALAW) ? alaw_silence : ulaw_silence;
-
-		while (left) {
-			size_t written = fwrite(src, 1, (left > BUF_SIZE) ? BUF_SIZE : left, fs->f);
-			if (written == -1)
-				break;	/* error */
-			left -= written;
-		}
-		ret = 0; /* successful */
-	} else {
-		if (offset > max) {
-			ast_log(LOG_WARNING, "offset too large %ld, truncating to %ld\n", (long) offset, (long) max);
-			offset = max;
-		}
-		ret = fseeko(fs->f, offset, SEEK_SET);
-	}
-	return ret;
-}
-
-static int pcm_trunc(struct ast_filestream *fs)
-{
-	return ftruncate(fileno(fs->f), ftello(fs->f));
-}
-
-static off_t pcm_tell(struct ast_filestream *fs)
-{
-	return ftello(fs->f);
-}
-
-static int pcm_write(struct ast_filestream *fs, struct ast_frame *f)
-{
-	int res;
-
-	if (f->frametype != AST_FRAME_VOICE) {
-		ast_log(LOG_WARNING, "Asked to write non-voice frame!\n");
-		return -1;
-	}
-	if (f->subclass != fs->fmt->format) {
-		ast_log(LOG_WARNING, "Asked to write incompatible format frame (%d)!\n", f->subclass);
-		return -1;
-	}
-
-#ifdef REALTIME_WRITE
-	if (s->fmt->format == AST_FORMAT_ALAW) {
-		struct pcm_desc *pd = (struct pcm_desc *)fs->_private;
-		struct stat stat_buf;
-		unsigned long cur_time = get_time();
-		unsigned long fpos = ( cur_time - pd->start_time ) * 8;	/* 8 bytes per msec */
-		/* Check if we have written to this position yet. If we have, then increment pos by one frame
-		*  for some degree of protection against receiving packets in the same clock tick.
-		*/
-		
-		fstat(fileno(fs->f), &stat_buf );
-		if (stat_buf.st_size > fpos )
-			fpos += f->datalen;	/* Incrementing with the size of this current frame */
-
-		if (stat_buf.st_size < fpos) {
-			/* fill the gap with 0x55 rather than 0. */
-			char buf[1024];
-			unsigned long cur, to_write;
-
-			cur = stat_buf.st_size;
-			if (fseek(fs->f, cur, SEEK_SET) < 0) {
-				ast_log( LOG_WARNING, "Cannot seek in file: %s\n", strerror(errno) );
-				return -1;
-			}
-			memset(buf, 0x55, 512);
-			while (cur < fpos) {
-				to_write = fpos - cur;
-				if (to_write > sizeof(buf))
-					to_write = sizeof(buf);
-				fwrite(buf, 1, to_write, fs->f);
-				cur += to_write;
-			}
-		}
-
-		if (fseek(s->f, fpos, SEEK_SET) < 0) {
-			ast_log( LOG_WARNING, "Cannot seek in file: %s\n", strerror(errno) );
-			return -1;
-		}
-	}
-#endif	/* REALTIME_WRITE */
-	
-	if ((res = fwrite(f->data, 1, f->datalen, fs->f)) != f->datalen) {
-		ast_log(LOG_WARNING, "Bad write (%d/%d): %s\n", res, f->datalen, strerror(errno));
-		return -1;
-	}
-	return 0;
-}
-
-/* SUN .au support routines */
-
-#define AU_HEADER_SIZE		24
-#define AU_HEADER(var)		uint32_t var[6]
-
-#define AU_HDR_MAGIC_OFF	0
-#define AU_HDR_HDR_SIZE_OFF	1
-#define AU_HDR_DATA_SIZE_OFF	2
-#define AU_HDR_ENCODING_OFF	3
-#define AU_HDR_SAMPLE_RATE_OFF	4
-#define AU_HDR_CHANNELS_OFF	5
-
-#define AU_ENC_8BIT_ULAW	1
-
-#define AU_MAGIC 0x2e736e64
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define htoll(b) (b)
-#define htols(b) (b)
-#define ltohl(b) (b)
-#define ltohs(b) (b)
-#else
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define htoll(b)  \
-          (((((b)      ) & 0xFF) << 24) | \
-	       ((((b) >>  8) & 0xFF) << 16) | \
-		   ((((b) >> 16) & 0xFF) <<  8) | \
-		   ((((b) >> 24) & 0xFF)      ))
-#define htols(b) \
-          (((((b)      ) & 0xFF) << 8) | \
-		   ((((b) >> 8) & 0xFF)      ))
-#define ltohl(b) htoll(b)
-#define ltohs(b) htols(b)
-#else
-#error "Endianess not defined"
-#endif
-#endif
-
-static int check_header(FILE *f)
-{
-	AU_HEADER(header);
-	uint32_t magic;
-	uint32_t hdr_size;
-	uint32_t data_size;
-	uint32_t encoding;
-	uint32_t sample_rate;
-	uint32_t channels;
-
-	if (fread(header, 1, AU_HEADER_SIZE, f) != AU_HEADER_SIZE) {
-		ast_log(LOG_WARNING, "Read failed (header)\n");
-		return -1;
-	}
-	magic = ltohl(header[AU_HDR_MAGIC_OFF]);
-	if (magic != (uint32_t) AU_MAGIC) {
-		ast_log(LOG_WARNING, "Bad magic: 0x%x\n", magic);
-	}
-	hdr_size = ltohl(header[AU_HDR_HDR_SIZE_OFF]);
-	if (hdr_size < AU_HEADER_SIZE) {
-		hdr_size = AU_HEADER_SIZE;
-	}
-/*	data_size = ltohl(header[AU_HDR_DATA_SIZE_OFF]); */
-	encoding = ltohl(header[AU_HDR_ENCODING_OFF]);
-	if (encoding != AU_ENC_8BIT_ULAW) {
-		ast_log(LOG_WARNING, "Unexpected format: %d. Only 8bit ULAW allowed (%d)\n", encoding, AU_ENC_8BIT_ULAW);
-		return -1;
-	}
-	sample_rate = ltohl(header[AU_HDR_SAMPLE_RATE_OFF]);
-	if (sample_rate != DEFAULT_SAMPLE_RATE) {
-		ast_log(LOG_WARNING, "Sample rate can only be 8000 not %d\n", sample_rate);
-		return -1;
-	}
-	channels = ltohl(header[AU_HDR_CHANNELS_OFF]);
-	if (channels != 1) {
-		ast_log(LOG_WARNING, "Not in mono: channels=%d\n", channels);
-		return -1;
-	}
-	/* Skip to data */
-	fseek(f, 0, SEEK_END);
-	data_size = ftell(f) - hdr_size;
-	if (fseek(f, hdr_size, SEEK_SET) == -1 ) {
-		ast_log(LOG_WARNING, "Failed to skip to data: %d\n", hdr_size);
-		return -1;
-	}
-	return data_size;
-}
-
-static int update_header(FILE *f)
-{
-	off_t cur, end;
-	uint32_t datalen;
-	int bytes;
-
-	cur = ftell(f);
-	fseek(f, 0, SEEK_END);
-	end = ftell(f);
-	/* data starts 24 bytes in */
-	bytes = end - AU_HEADER_SIZE;
-	datalen = htoll(bytes);
-
-	if (cur < 0) {
-		ast_log(LOG_WARNING, "Unable to find our position\n");
-		return -1;
-	}
-	if (fseek(f, AU_HDR_DATA_SIZE_OFF * sizeof(uint32_t), SEEK_SET)) {
-		ast_log(LOG_WARNING, "Unable to set our position\n");
-		return -1;
-	}
-	if (fwrite(&datalen, 1, sizeof(datalen), f) != sizeof(datalen)) {
-		ast_log(LOG_WARNING, "Unable to set write file size\n");
-		return -1;
-	}
-	if (fseek(f, cur, SEEK_SET)) {
-		ast_log(LOG_WARNING, "Unable to return to position\n");
-		return -1;
-	}
-	return 0;
-}
-
-static int write_header(FILE *f)
-{
-	AU_HEADER(header);
-
-	header[AU_HDR_MAGIC_OFF] = htoll((uint32_t) AU_MAGIC);
-	header[AU_HDR_HDR_SIZE_OFF] = htoll(AU_HEADER_SIZE);
-	header[AU_HDR_DATA_SIZE_OFF] = 0;
-	header[AU_HDR_ENCODING_OFF] = htoll(AU_ENC_8BIT_ULAW);
-	header[AU_HDR_SAMPLE_RATE_OFF] = htoll(DEFAULT_SAMPLE_RATE);
-	header[AU_HDR_CHANNELS_OFF] = htoll(1);
-
-	/* Write an au header, ignoring sizes which will be filled in later */
-	fseek(f, 0, SEEK_SET);
-	if (fwrite(header, 1, AU_HEADER_SIZE, f) != AU_HEADER_SIZE) {
-		ast_log(LOG_WARNING, "Unable to write header\n");
-		return -1;
-	}
-	return 0;
-}
-
-static int au_open(struct ast_filestream *s)
-{
-	if (check_header(s->f) < 0)
-		return -1;
-	return 0;
-}
-
-static int au_rewrite(struct ast_filestream *s, const char *comment)
-{
-	if (write_header(s->f))
-		return -1;
-	return 0;
-}
-
-/* XXX check this, probably incorrect */
-static int au_seek(struct ast_filestream *fs, off_t sample_offset, int whence)
-{
-	off_t min, max, cur;
-	long offset = 0, bytes;
-
-	if (fs->fmt->format == AST_FORMAT_G722)
-		bytes = sample_offset / 2;
-	else
-		bytes = sample_offset;
-
-	min = AU_HEADER_SIZE;
-	cur = ftello(fs->f);
-	fseek(fs->f, 0, SEEK_END);
-	max = ftello(fs->f);
-
-	if (whence == SEEK_SET)
-		offset = bytes + min;
-	else if (whence == SEEK_CUR || whence == SEEK_FORCECUR)
-		offset = bytes + cur;
-	else if (whence == SEEK_END)
-		offset = max - bytes;
-        if (whence != SEEK_FORCECUR) {
-		offset = (offset > max) ? max : offset;
-	}
-
-	/* always protect the header space. */
-	offset = (offset < min) ? min : offset;
-
-	return fseeko(fs->f, offset, SEEK_SET);
-}
-
-static int au_trunc(struct ast_filestream *fs)
-{
-	if (ftruncate(fileno(fs->f), ftell(fs->f)))
-		return -1;
-	return update_header(fs->f);
-}
-
-static off_t au_tell(struct ast_filestream *fs)
-{
-	off_t offset = ftello(fs->f);
-	return offset - AU_HEADER_SIZE;
-}
-
-static const struct ast_format alaw_f = {
-	.name = "alaw",
-	.exts = "alaw|al",
-	.format = AST_FORMAT_ALAW,
-	.write = pcm_write,
-	.seek = pcm_seek,
-	.trunc = pcm_trunc,
-	.tell = pcm_tell,
-	.read = pcm_read,
-	.buf_size = BUF_SIZE + AST_FRIENDLY_OFFSET,
-#ifdef REALTIME_WRITE
-	.open = pcma_open,
-	.rewrite = pcma_rewrite,
-	.desc_size = sizeof(struct pcm_desc),
-#endif
-};
-
-static const struct ast_format pcm_f = {
-	.name = "pcm",
-	.exts = "pcm|ulaw|ul|mu",
-	.format = AST_FORMAT_ULAW,
-	.write = pcm_write,
-	.seek = pcm_seek,
-	.trunc = pcm_trunc,
-	.tell = pcm_tell,
-	.read = pcm_read,
-	.buf_size = BUF_SIZE + AST_FRIENDLY_OFFSET,
-};
-
-static const struct ast_format g722_f = {
-	.name = "g722",
-	.exts = "g722",
-	.format = AST_FORMAT_G722,
-	.write = pcm_write,
-	.seek = pcm_seek,
-	.trunc = pcm_trunc,
-	.tell = pcm_tell,
-	.read = pcm_read,
-	.buf_size = (BUF_SIZE * 2) + AST_FRIENDLY_OFFSET,
-};
-
-static const struct ast_format au_f = {
-	.name = "au",
-	.exts = "au",
-	.format = AST_FORMAT_ULAW,
-	.open = au_open,
-	.rewrite = au_rewrite,
-	.write = pcm_write,
-	.seek = au_seek,
-	.trunc = au_trunc,
-	.tell = au_tell,
-	.read = pcm_read,
-	.buf_size = BUF_SIZE + AST_FRIENDLY_OFFSET,	/* this many shorts */
-};
-
-static int load_module(void)
-{
-	int index;
-
-	/* XXX better init ? */
-	for (index = 0; index < (sizeof(ulaw_silence) / sizeof(ulaw_silence[0])); index++)
-		ulaw_silence[index] = AST_LIN2MU(0);
-	for (index = 0; index < (sizeof(alaw_silence) / sizeof(alaw_silence[0])); index++)
-		alaw_silence[index] = AST_LIN2A(0);
-
-	return ast_format_register(&pcm_f)
-		|| ast_format_register(&alaw_f)
-		|| ast_format_register(&au_f)
-		|| ast_format_register(&g722_f);
-}
-
-static int unload_module(void)
-{
-	return ast_format_unregister(pcm_f.name)
-		|| ast_format_unregister(alaw_f.name)
-		|| ast_format_unregister(au_f.name)
-		|| ast_format_unregister(g722_f.name);
-}	
-
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Raw/Sun uLaw/ALaw 8KHz (PCM,PCMA,AU), G.722 16Khz");