diff options
Diffstat (limited to 'net/asterisk16/files/patch-codecs::codec_g729_dummy.c')
-rw-r--r-- | net/asterisk16/files/patch-codecs::codec_g729_dummy.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/net/asterisk16/files/patch-codecs::codec_g729_dummy.c b/net/asterisk16/files/patch-codecs::codec_g729_dummy.c deleted file mode 100644 index c3e27d98e27e..000000000000 --- a/net/asterisk16/files/patch-codecs::codec_g729_dummy.c +++ /dev/null @@ -1,281 +0,0 @@ - -$FreeBSD$ - ---- /dev/null Fri Jan 30 01:52:11 2004 -+++ codecs/codec_g729_dummy.c Fri Jan 30 01:57:59 2004 -@@ -0,0 +1,275 @@ -+/* -+ * Asterisk -- A telephony toolkit for Linux. -+ * -+ * Translate between signed linear and G.729 (dummy!) -+ * -+ * The G.729 code is not included in the Asterisk distribution because -+ * it is covered with patents, and in spite of statements to the contrary, -+ * the "technology" is extremely expensive to license. -+ * -+ * Copyright (C) 1999, Mark Spencer -+ * -+ * Mark Spencer <markster@linux-support.net> -+ * -+ * This program is free software, distributed under the terms of -+ * the GNU General Public License -+ */ -+ -+#include <sys/types.h> -+#include <asterisk/translate.h> -+#include <asterisk/module.h> -+#include <asterisk/logger.h> -+#include <asterisk/channel.h> -+#include <pthread.h> -+#include <fcntl.h> -+#include <stdlib.h> -+#include <unistd.h> -+#include <netinet/in.h> -+#include <string.h> -+#include <stdio.h> -+ -+/* Sample frame data */ -+#include "slin_g729_ex.h" -+#include "g729_slin_ex.h" -+ -+static ast_mutex_t localuser_lock = AST_MUTEX_INITIALIZER; -+static int localusecnt=0; -+ -+static char *tdesc = "Dummy G.729/PCM16 Codec Translator"; -+ -+struct g729_encoder_pvt { -+ struct ast_frame f; -+ /* Space to build offset */ -+ char offset[AST_FRIENDLY_OFFSET]; -+ /* Buffer for our outgoing frame */ -+ char outbuf[8000]; -+ /* Enough to store a full second */ -+ short buf[8000]; -+ int tail; -+}; -+ -+struct g729_decoder_pvt { -+ struct ast_frame f; -+ /* Space to build offset */ -+ char offset[AST_FRIENDLY_OFFSET]; -+ /* Enough to store a full second */ -+ short buf[8000]; -+ int tail; -+}; -+ -+static struct ast_translator_pvt *g729tolin_new() -+{ -+ struct g729_decoder_pvt *tmp; -+ tmp = malloc(sizeof(struct g729_decoder_pvt)); -+ if (tmp) { -+ tmp->tail = 0; -+ localusecnt++; -+ ast_update_use_count(); -+ } -+ return (struct ast_translator_pvt *)tmp; -+} -+ -+static struct ast_frame *lintog729_sample() -+{ -+ static struct ast_frame f; -+ f.frametype = AST_FRAME_VOICE; -+ f.subclass = AST_FORMAT_SLINEAR; -+ f.datalen = sizeof(slin_g729_ex); -+ /* Assume 8000 Hz */ -+ f.samples = sizeof(slin_g729_ex)/16; -+ f.mallocd = 0; -+ f.offset = 0; -+ f.src = __PRETTY_FUNCTION__; -+ f.data = slin_g729_ex; -+ return &f; -+} -+ -+static struct ast_frame *g729tolin_sample() -+{ -+ static struct ast_frame f; -+ f.frametype = AST_FRAME_VOICE; -+ f.subclass = AST_FORMAT_G729A; -+ f.datalen = sizeof(g729_slin_ex); -+ /* All frames are 10 ms long */ -+ f.samples = 10; -+ f.mallocd = 0; -+ f.offset = 0; -+ f.src = __PRETTY_FUNCTION__; -+ f.data = g729_slin_ex; -+ return &f; -+} -+ -+static struct ast_translator_pvt *lintog729_new() -+{ -+ struct g729_encoder_pvt *tmp; -+ tmp = malloc(sizeof(struct g729_encoder_pvt)); -+ if (tmp) { -+ localusecnt++; -+ ast_update_use_count(); -+ tmp->tail = 0; -+ } -+ return (struct ast_translator_pvt *)tmp; -+} -+ -+static struct ast_frame *g729tolin_frameout(struct ast_translator_pvt *pvt) -+{ -+ struct g729_decoder_pvt *tmp = (struct g729_decoder_pvt *)pvt; -+ if (!tmp->tail) -+ return NULL; -+ /* Signed linear is no particular frame size, so just send whatever -+ we have in the buffer in one lump sum */ -+ tmp->f.frametype = AST_FRAME_VOICE; -+ tmp->f.subclass = AST_FORMAT_SLINEAR; -+ tmp->f.datalen = tmp->tail * 2; -+ /* Assume 8000 Hz */ -+ tmp->f.samples = tmp->tail / 8; -+ tmp->f.mallocd = 0; -+ tmp->f.offset = AST_FRIENDLY_OFFSET; -+ tmp->f.src = __PRETTY_FUNCTION__; -+ tmp->f.data = tmp->buf; -+ /* Reset tail pointer */ -+ tmp->tail = 0; -+ -+ return &tmp->f; -+} -+ -+static int g729tolin_framein(struct ast_translator_pvt *pvt, struct ast_frame *f) -+{ -+ struct g729_decoder_pvt *tmp = (struct g729_decoder_pvt *)pvt; -+ int len = 0; -+ while(len < f->datalen) { -+ /* Assuming there's space left, decode into the current buffer at -+ the tail location */ -+ if (10 + len > f->datalen) { -+ ast_log(LOG_WARNING, "Measured length exceeds frame length\n"); -+ return -1; -+ } -+ if (tmp->tail + 160 < sizeof(tmp->buf)/2) { -+ memset(tmp->buf + tmp->tail, 0, 160); -+ tmp->tail+=160; -+ } else { -+ ast_log(LOG_WARNING, "Out of buffer space\n"); -+ return -1; -+ } -+ len += 10; -+ } -+ return 0; -+} -+ -+static int lintog729_framein(struct ast_translator_pvt *pvt, struct ast_frame *f) -+{ -+ /* Just add the frames to our stream */ -+ /* XXX We should look at how old the rest of our stream is, and if it -+ is too old, then we should overwrite it entirely, otherwise we can -+ get artifacts of earlier talk that do not belong */ -+ struct g729_encoder_pvt *tmp = (struct g729_encoder_pvt *)pvt; -+ if (tmp->tail + f->datalen/2 < sizeof(tmp->buf) / 2) { -+ memcpy(&tmp->buf[tmp->tail], f->data, f->datalen); -+ tmp->tail += f->datalen/2; -+ } else { -+ ast_log(LOG_WARNING, "Out of buffer space\n"); -+ return -1; -+ } -+ return 0; -+} -+ -+static struct ast_frame *lintog729_frameout(struct ast_translator_pvt *pvt) -+{ -+ struct g729_encoder_pvt *tmp = (struct g729_encoder_pvt *)pvt; -+ int cnt=0; -+ /* We can't work on anything less than a frame in size */ -+ if (tmp->tail < 160) -+ return NULL; -+ tmp->f.frametype = AST_FRAME_VOICE; -+ tmp->f.subclass = AST_FORMAT_G729A; -+ tmp->f.offset = AST_FRIENDLY_OFFSET; -+ tmp->f.src = __PRETTY_FUNCTION__; -+ tmp->f.samples = 0; -+ tmp->f.mallocd = 0; -+ while(tmp->tail >= 160) { -+ /* Encode a frame of data */ -+ if (cnt + 10 >= sizeof(tmp->outbuf)) { -+ ast_log(LOG_WARNING, "Out of buffer space\n"); -+ return NULL; -+ } -+ memset(tmp->outbuf + cnt, 0, 10); -+ /* Assume 8000 Hz */ -+ tmp->f.samples += 10; -+ cnt += 10; -+ tmp->tail -= 160; -+ /* Move the data at the end of the buffer to the front */ -+ if (tmp->tail) -+ memmove(tmp->buf, tmp->buf + 160, tmp->tail * 2); -+ } -+ tmp->f.datalen = cnt; -+ tmp->f.data = tmp->outbuf; -+ return &tmp->f; -+} -+ -+static void g729_destroy(struct ast_translator_pvt *pvt) -+{ -+ free(pvt); -+ localusecnt--; -+ ast_update_use_count(); -+} -+ -+static struct ast_translator g729tolin = -+ { "g729tolin_dummy", -+ AST_FORMAT_G729A, AST_FORMAT_SLINEAR, -+ g729tolin_new, -+ g729tolin_framein, -+ g729tolin_frameout, -+ g729_destroy, -+ g729tolin_sample -+ }; -+ -+static struct ast_translator lintog729 = -+ { "lintog729_dummy", -+ AST_FORMAT_SLINEAR, AST_FORMAT_G729A, -+ lintog729_new, -+ lintog729_framein, -+ lintog729_frameout, -+ g729_destroy, -+ lintog729_sample -+ }; -+ -+int unload_module(void) -+{ -+ int res; -+ ast_mutex_lock(&localuser_lock); -+ res = ast_unregister_translator(&lintog729); -+ if (!res) -+ res = ast_unregister_translator(&g729tolin); -+ if (localusecnt) -+ res = -1; -+ ast_mutex_unlock(&localuser_lock); -+ return res; -+} -+ -+int load_module(void) -+{ -+ int res; -+ res=ast_register_translator(&g729tolin); -+ if (!res) -+ res=ast_register_translator(&lintog729); -+ else -+ ast_unregister_translator(&g729tolin); -+ return res; -+} -+ -+char *description(void) -+{ -+ return tdesc; -+} -+ -+int usecount(void) -+{ -+ int res; -+ STANDARD_USECOUNT(res); -+ return res; -+} -+ -+char *key() -+{ -+ return ASTERISK_GPL_KEY; -+} |