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authorkpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b>2006-02-12 04:28:58 +0000
committerkpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b>2006-02-12 04:28:58 +0000
commit5d9ed5739aab2b302efc178d21e6c75672369db3 (patch)
tree5c4270c1ac3d265b96361d98722a75b947f2f8c6 /formats/format_ogg_vorbis.c
parent9f87dd693e9e74816b913a157fdcdefa3d7a2e56 (diff)
major dialplan functions update
deprecate LANGUAGE() and MUSICCLASS(), in favor of CHANNEL() git-svn-id: http://svn.digium.com/svn/asterisk/trunk@9674 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'formats/format_ogg_vorbis.c')
-rw-r--r--formats/format_ogg_vorbis.c230
1 files changed, 117 insertions, 113 deletions
diff --git a/formats/format_ogg_vorbis.c b/formats/format_ogg_vorbis.c
index ffee9ed76..408f19e13 100644
--- a/formats/format_ogg_vorbis.c
+++ b/formats/format_ogg_vorbis.c
@@ -20,7 +20,7 @@
* \arg File name extension: ogg
* \ingroup formats
*/
-
+
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
@@ -48,37 +48,35 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/module.h"
-
#define SAMPLES_MAX 160
#define BLOCK_SIZE 4096
-
struct ast_filestream {
void *reserved[AST_RESERVED_POINTERS];
-
+
FILE *f;
-
+
/* structures for handling the Ogg container */
- ogg_sync_state oy;
+ ogg_sync_state oy;
ogg_stream_state os;
- ogg_page og;
- ogg_packet op;
+ ogg_page og;
+ ogg_packet op;
/* structures for handling Vorbis audio data */
- vorbis_info vi;
- vorbis_comment vc;
+ vorbis_info vi;
+ vorbis_comment vc;
vorbis_dsp_state vd;
- vorbis_block vb;
+ vorbis_block vb;
/*! \brief Indicates whether this filestream is set up for reading or writing. */
int writing;
-
+
/*! \brief Indicates whether an End of Stream condition has been detected. */
int eos;
-
+
/*! \brief Buffer to hold audio data. */
short buffer[SAMPLES_MAX];
-
+
/*! \brief Asterisk frame object. */
struct ast_frame fr;
char waste[AST_FRIENDLY_OFFSET];
@@ -86,6 +84,7 @@ struct ast_filestream {
};
AST_MUTEX_DEFINE_STATIC(ogg_vorbis_lock);
+
static int glistcnt = 0;
static char *name = "ogg_vorbis";
@@ -97,7 +96,7 @@ static char *exts = "ogg";
* \param f File that points to on disk storage of the OGG/Vorbis data.
* \return The new filestream.
*/
-static struct ast_filestream *ogg_vorbis_open(FILE *f)
+static struct ast_filestream *ogg_vorbis_open(FILE * f)
{
int i;
int bytes;
@@ -107,7 +106,7 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
struct ast_filestream *tmp;
- if((tmp = malloc(sizeof(struct ast_filestream)))) {
+ if ((tmp = malloc(sizeof(struct ast_filestream)))) {
memset(tmp, 0, sizeof(struct ast_filestream));
tmp->writing = 0;
@@ -120,24 +119,26 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
ogg_sync_wrote(&tmp->oy, bytes);
result = ogg_sync_pageout(&tmp->oy, &tmp->og);
- if(result != 1) {
- if(bytes < BLOCK_SIZE) {
+ if (result != 1) {
+ if (bytes < BLOCK_SIZE) {
ast_log(LOG_ERROR, "Run out of data...\n");
} else {
- ast_log(LOG_ERROR, "Input does not appear to be an Ogg bitstream.\n");
+ ast_log(LOG_ERROR,
+ "Input does not appear to be an Ogg bitstream.\n");
}
fclose(f);
ogg_sync_clear(&tmp->oy);
free(tmp);
return NULL;
}
-
+
ogg_stream_init(&tmp->os, ogg_page_serialno(&tmp->og));
vorbis_info_init(&tmp->vi);
vorbis_comment_init(&tmp->vc);
- if(ogg_stream_pagein(&tmp->os, &tmp->og) < 0) {
- ast_log(LOG_ERROR, "Error reading first page of Ogg bitstream data.\n");
+ if (ogg_stream_pagein(&tmp->os, &tmp->og) < 0) {
+ ast_log(LOG_ERROR,
+ "Error reading first page of Ogg bitstream data.\n");
fclose(f);
ogg_stream_clear(&tmp->os);
vorbis_comment_clear(&tmp->vc);
@@ -146,8 +147,8 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
free(tmp);
return NULL;
}
-
- if(ogg_stream_packetout(&tmp->os, &tmp->op) != 1) {
+
+ if (ogg_stream_packetout(&tmp->os, &tmp->op) != 1) {
ast_log(LOG_ERROR, "Error reading initial header packet.\n");
fclose(f);
ogg_stream_clear(&tmp->os);
@@ -157,8 +158,8 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
free(tmp);
return NULL;
}
-
- if(vorbis_synthesis_headerin(&tmp->vi, &tmp->vc, &tmp->op) < 0) {
+
+ if (vorbis_synthesis_headerin(&tmp->vi, &tmp->vc, &tmp->op) < 0) {
ast_log(LOG_ERROR, "This Ogg bitstream does not contain Vorbis audio data.\n");
fclose(f);
ogg_stream_clear(&tmp->os);
@@ -168,20 +169,20 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
free(tmp);
return NULL;
}
-
+
i = 0;
- while(i < 2) {
- while(i < 2){
+ while (i < 2) {
+ while (i < 2) {
result = ogg_sync_pageout(&tmp->oy, &tmp->og);
- if(result == 0)
+ if (result == 0)
break;
- if(result == 1) {
+ if (result == 1) {
ogg_stream_pagein(&tmp->os, &tmp->og);
- while(i < 2) {
- result = ogg_stream_packetout(&tmp->os,&tmp->op);
- if(result == 0)
+ while (i < 2) {
+ result = ogg_stream_packetout(&tmp->os, &tmp->op);
+ if (result == 0)
break;
- if(result < 0) {
+ if (result < 0) {
ast_log(LOG_ERROR, "Corrupt secondary header. Exiting.\n");
fclose(f);
ogg_stream_clear(&tmp->os);
@@ -199,7 +200,7 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
buffer = ogg_sync_buffer(&tmp->oy, BLOCK_SIZE);
bytes = fread(buffer, 1, BLOCK_SIZE, f);
- if(bytes == 0 && i < 2) {
+ if (bytes == 0 && i < 2) {
ast_log(LOG_ERROR, "End of file before finding all Vorbis headers!\n");
fclose(f);
ogg_stream_clear(&tmp->os);
@@ -211,16 +212,18 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
}
ogg_sync_wrote(&tmp->oy, bytes);
}
-
+
ptr = tmp->vc.user_comments;
- while(*ptr){
+ while (*ptr) {
ast_log(LOG_DEBUG, "OGG/Vorbis comment: %s\n", *ptr);
++ptr;
}
- ast_log(LOG_DEBUG, "OGG/Vorbis bitstream is %d channel, %ldHz\n", tmp->vi.channels, tmp->vi.rate);
- ast_log(LOG_DEBUG, "OGG/Vorbis file encoded by: %s\n", tmp->vc.vendor);
+ ast_log(LOG_DEBUG, "OGG/Vorbis bitstream is %d channel, %ldHz\n",
+ tmp->vi.channels, tmp->vi.rate);
+ ast_log(LOG_DEBUG, "OGG/Vorbis file encoded by: %s\n",
+ tmp->vc.vendor);
- if(tmp->vi.channels != 1) {
+ if (tmp->vi.channels != 1) {
ast_log(LOG_ERROR, "Only monophonic OGG/Vorbis files are currently supported!\n");
ogg_stream_clear(&tmp->os);
vorbis_comment_clear(&tmp->vc);
@@ -229,9 +232,8 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
free(tmp);
return NULL;
}
-
- if(tmp->vi.rate != 8000) {
+ if (tmp->vi.rate != 8000) {
ast_log(LOG_ERROR, "Only 8000Hz OGG/Vorbis files are currently supported!\n");
fclose(f);
ogg_stream_clear(&tmp->os);
@@ -243,11 +245,11 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
free(tmp);
return NULL;
}
-
+
vorbis_synthesis_init(&tmp->vd, &tmp->vi);
vorbis_block_init(&tmp->vd, &tmp->vb);
- if(ast_mutex_lock(&ogg_vorbis_lock)) {
+ if (ast_mutex_lock(&ogg_vorbis_lock)) {
ast_log(LOG_WARNING, "Unable to lock ogg_vorbis list\n");
fclose(f);
ogg_stream_clear(&tmp->os);
@@ -272,7 +274,8 @@ static struct ast_filestream *ogg_vorbis_open(FILE *f)
* \param comment Comment that should be embedded in the OGG/Vorbis file.
* \return A new filestream.
*/
-static struct ast_filestream *ogg_vorbis_rewrite(FILE *f, const char *comment)
+static struct ast_filestream *ogg_vorbis_rewrite(FILE * f,
+ const char *comment)
{
ogg_packet header;
ogg_packet header_comm;
@@ -280,7 +283,7 @@ static struct ast_filestream *ogg_vorbis_rewrite(FILE *f, const char *comment)
struct ast_filestream *tmp;
- if((tmp = malloc(sizeof(struct ast_filestream)))) {
+ if ((tmp = malloc(sizeof(struct ast_filestream)))) {
memset(tmp, 0, sizeof(struct ast_filestream));
tmp->writing = 1;
@@ -288,7 +291,7 @@ static struct ast_filestream *ogg_vorbis_rewrite(FILE *f, const char *comment)
vorbis_info_init(&tmp->vi);
- if(vorbis_encode_init_vbr(&tmp->vi, 1, 8000, 0.4)) {
+ if (vorbis_encode_init_vbr(&tmp->vi, 1, 8000, 0.4)) {
ast_log(LOG_ERROR, "Unable to initialize Vorbis encoder!\n");
free(tmp);
return NULL;
@@ -296,7 +299,7 @@ static struct ast_filestream *ogg_vorbis_rewrite(FILE *f, const char *comment)
vorbis_comment_init(&tmp->vc);
vorbis_comment_add_tag(&tmp->vc, "ENCODER", "Asterisk PBX");
- if(comment)
+ if (comment)
vorbis_comment_add_tag(&tmp->vc, "COMMENT", (char *) comment);
vorbis_analysis_init(&tmp->vd, &tmp->vi);
@@ -304,21 +307,22 @@ static struct ast_filestream *ogg_vorbis_rewrite(FILE *f, const char *comment)
ogg_stream_init(&tmp->os, rand());
- vorbis_analysis_headerout(&tmp->vd, &tmp->vc, &header, &header_comm, &header_code);
- ogg_stream_packetin(&tmp->os, &header);
+ vorbis_analysis_headerout(&tmp->vd, &tmp->vc, &header, &header_comm,
+ &header_code);
+ ogg_stream_packetin(&tmp->os, &header);
ogg_stream_packetin(&tmp->os, &header_comm);
ogg_stream_packetin(&tmp->os, &header_code);
- while(!tmp->eos) {
- if(ogg_stream_flush(&tmp->os, &tmp->og) == 0)
+ while (!tmp->eos) {
+ if (ogg_stream_flush(&tmp->os, &tmp->og) == 0)
break;
fwrite(tmp->og.header, 1, tmp->og.header_len, tmp->f);
fwrite(tmp->og.body, 1, tmp->og.body_len, tmp->f);
- if(ogg_page_eos(&tmp->og))
+ if (ogg_page_eos(&tmp->og))
tmp->eos = 1;
}
- if(ast_mutex_lock(&ogg_vorbis_lock)) {
+ if (ast_mutex_lock(&ogg_vorbis_lock)) {
ast_log(LOG_WARNING, "Unable to lock ogg_vorbis list\n");
fclose(f);
ogg_stream_clear(&tmp->os);
@@ -345,16 +349,16 @@ static void write_stream(struct ast_filestream *s)
while (vorbis_analysis_blockout(&s->vd, &s->vb) == 1) {
vorbis_analysis(&s->vb, NULL);
vorbis_bitrate_addblock(&s->vb);
-
+
while (vorbis_bitrate_flushpacket(&s->vd, &s->op)) {
ogg_stream_packetin(&s->os, &s->op);
while (!s->eos) {
- if(ogg_stream_pageout(&s->os, &s->og) == 0) {
+ if (ogg_stream_pageout(&s->os, &s->og) == 0) {
break;
}
fwrite(s->og.header, 1, s->og.header_len, s->f);
fwrite(s->og.body, 1, s->og.body_len, s->f);
- if(ogg_page_eos(&s->og)) {
+ if (ogg_page_eos(&s->og)) {
s->eos = 1;
}
}
@@ -374,20 +378,21 @@ static int ogg_vorbis_write(struct ast_filestream *s, struct ast_frame *f)
float **buffer;
short *data;
- if(!s->writing) {
+ if (!s->writing) {
ast_log(LOG_ERROR, "This stream is not set up for writing!\n");
return -1;
}
- if(f->frametype != AST_FRAME_VOICE) {
+ if (f->frametype != AST_FRAME_VOICE) {
ast_log(LOG_WARNING, "Asked to write non-voice frame!\n");
return -1;
}
- if(f->subclass != AST_FORMAT_SLINEAR) {
- ast_log(LOG_WARNING, "Asked to write non-SLINEAR frame (%d)!\n", f->subclass);
+ if (f->subclass != AST_FORMAT_SLINEAR) {
+ ast_log(LOG_WARNING, "Asked to write non-SLINEAR frame (%d)!\n",
+ f->subclass);
return -1;
}
- if(!f->datalen)
+ if (!f->datalen)
return -1;
data = (short *) f->data;
@@ -395,7 +400,7 @@ static int ogg_vorbis_write(struct ast_filestream *s, struct ast_frame *f)
buffer = vorbis_analysis_buffer(&s->vd, f->samples);
for (i = 0; i < f->samples; i++) {
- buffer[0][i] = data[i]/32768.f;
+ buffer[0][i] = data[i] / 32768.f;
}
vorbis_analysis_wrote(&s->vd, f->samples);
@@ -411,7 +416,7 @@ static int ogg_vorbis_write(struct ast_filestream *s, struct ast_frame *f)
*/
static void ogg_vorbis_close(struct ast_filestream *s)
{
- if(ast_mutex_lock(&ogg_vorbis_lock)) {
+ if (ast_mutex_lock(&ogg_vorbis_lock)) {
ast_log(LOG_WARNING, "Unable to lock ogg_vorbis list\n");
return;
}
@@ -419,7 +424,7 @@ static void ogg_vorbis_close(struct ast_filestream *s)
ast_mutex_unlock(&ogg_vorbis_lock);
ast_update_use_count();
- if(s->writing) {
+ if (s->writing) {
/* Tell the Vorbis encoder that the stream is finished
* and write out the rest of the data */
vorbis_analysis_wrote(&s->vd, 0);
@@ -432,10 +437,10 @@ static void ogg_vorbis_close(struct ast_filestream *s)
vorbis_comment_clear(&s->vc);
vorbis_info_clear(&s->vi);
- if(s->writing) {
+ if (s->writing) {
ogg_sync_clear(&s->oy);
}
-
+
fclose(s->f);
free(s);
}
@@ -455,28 +460,29 @@ static int read_samples(struct ast_filestream *s, float ***pcm)
while (1) {
samples_in = vorbis_synthesis_pcmout(&s->vd, pcm);
- if(samples_in > 0) {
+ if (samples_in > 0) {
return samples_in;
}
-
+
/* The Vorbis decoder needs more data... */
/* See ifOGG has any packets in the current page for the Vorbis decoder. */
result = ogg_stream_packetout(&s->os, &s->op);
- if(result > 0) {
+ if (result > 0) {
/* Yes OGG had some more packets for the Vorbis decoder. */
- if(vorbis_synthesis(&s->vb, &s->op) == 0) {
+ if (vorbis_synthesis(&s->vb, &s->op) == 0) {
vorbis_synthesis_blockin(&s->vd, &s->vb);
}
-
+
continue;
}
- if(result < 0)
- ast_log(LOG_WARNING, "Corrupt or missing data at this page position; continuing...\n");
-
+ if (result < 0)
+ ast_log(LOG_WARNING,
+ "Corrupt or missing data at this page position; continuing...\n");
+
/* No more packets left in the current page... */
- if(s->eos) {
+ if (s->eos) {
/* No more pages left in the stream */
return -1;
}
@@ -484,22 +490,24 @@ static int read_samples(struct ast_filestream *s, float ***pcm)
while (!s->eos) {
/* See ifOGG has any pages in it's internal buffers */
result = ogg_sync_pageout(&s->oy, &s->og);
- if(result > 0) {
+ if (result > 0) {
/* Yes, OGG has more pages in it's internal buffers,
add the page to the stream state */
result = ogg_stream_pagein(&s->os, &s->og);
- if(result == 0) {
+ if (result == 0) {
/* Yes, got a new,valid page */
- if(ogg_page_eos(&s->og)) {
+ if (ogg_page_eos(&s->og)) {
s->eos = 1;
}
break;
}
- ast_log(LOG_WARNING, "Invalid page in the bitstream; continuing...\n");
+ ast_log(LOG_WARNING,
+ "Invalid page in the bitstream; continuing...\n");
}
-
- if(result < 0)
- ast_log(LOG_WARNING, "Corrupt or missing data in bitstream; continuing...\n");
+
+ if (result < 0)
+ ast_log(LOG_WARNING,
+ "Corrupt or missing data in bitstream; continuing...\n");
/* No, we need to read more data from the file descrptor */
/* get a buffer from OGG to read the data into */
@@ -508,7 +516,7 @@ static int read_samples(struct ast_filestream *s, float ***pcm)
bytes = fread(buffer, 1, BLOCK_SIZE, s->f);
/* Tell OGG how many bytes we actually read into the buffer */
ogg_sync_wrote(&s->oy, bytes);
- if(bytes == 0) {
+ if (bytes == 0) {
s->eos = 1;
}
}
@@ -521,7 +529,8 @@ static int read_samples(struct ast_filestream *s, float ***pcm)
* \param whennext Number of sample times to schedule the next call.
* \return A pointer to a frame containing audio data or NULL ifthere is no more audio data.
*/
-static struct ast_frame *ogg_vorbis_read(struct ast_filestream *s, int *whennext)
+static struct ast_frame *ogg_vorbis_read(struct ast_filestream *s,
+ int *whennext)
{
int clipflag = 0;
int i;
@@ -535,25 +544,25 @@ static struct ast_frame *ogg_vorbis_read(struct ast_filestream *s, int *whennext
while (1) {
/* See ifwe have filled up an audio frame yet */
- if(samples_out == SAMPLES_MAX)
+ if (samples_out == SAMPLES_MAX)
break;
/* See ifVorbis decoder has some audio data for us ... */
samples_in = read_samples(s, &pcm);
- if(samples_in <= 0)
+ if (samples_in <= 0)
break;
/* Got some audio data from Vorbis... */
/* Convert the float audio data to 16-bit signed linear */
-
+
clipflag = 0;
samples_in = samples_in < (SAMPLES_MAX - samples_out) ? samples_in : (SAMPLES_MAX - samples_out);
-
- for(j = 0; j < samples_in; j++)
+
+ for (j = 0; j < samples_in; j++)
accumulator[j] = 0.0;
- for(i = 0; i < s->vi.channels; i++) {
+ for (i = 0; i < s->vi.channels; i++) {
mono = pcm[i];
for (j = 0; j < samples_in; j++) {
accumulator[j] += mono[j];
@@ -561,27 +570,26 @@ static struct ast_frame *ogg_vorbis_read(struct ast_filestream *s, int *whennext
}
for (j = 0; j < samples_in; j++) {
- val = accumulator[j] * 32767.0 / s->vi.channels;
- if(val > 32767) {
+ val = accumulator[j] * 32767.0 / s->vi.channels;
+ if (val > 32767) {
val = 32767;
clipflag = 1;
}
- if(val < -32768) {
+ if (val < -32768) {
val = -32768;
clipflag = 1;
}
s->buffer[samples_out + j] = val;
}
-
- if(clipflag)
- ast_log(LOG_WARNING, "Clipping in frame %ld\n", (long)(s->vd.sequence));
-
+
+ if (clipflag)
+ ast_log(LOG_WARNING, "Clipping in frame %ld\n", (long) (s->vd.sequence));
/* Tell the Vorbis decoder how many samples we actually used. */
vorbis_synthesis_read(&s->vd, samples_in);
samples_out += samples_in;
}
- if(samples_out > 0) {
+ if (samples_out > 0) {
s->fr.frametype = AST_FRAME_VOICE;
s->fr.subclass = AST_FORMAT_SLINEAR;
s->fr.offset = AST_FRIENDLY_OFFSET;
@@ -591,7 +599,7 @@ static struct ast_frame *ogg_vorbis_read(struct ast_filestream *s, int *whennext
s->fr.mallocd = 0;
s->fr.samples = samples_out;
*whennext = samples_out;
-
+
return &s->fr;
} else {
return NULL;
@@ -618,17 +626,21 @@ static int ogg_vorbis_trunc(struct ast_filestream *s)
* \return 0 on success, -1 on failure.
*/
-static int ogg_vorbis_seek(struct ast_filestream *s, long sample_offset, int whence) {
+static int ogg_vorbis_seek(struct ast_filestream *s, long sample_offset,
+ int whence)
+{
ast_log(LOG_WARNING, "Seeking is not supported on OGG/Vorbis streams!\n");
return -1;
}
-static long ogg_vorbis_tell(struct ast_filestream *s) {
+static long ogg_vorbis_tell(struct ast_filestream *s)
+{
ast_log(LOG_WARNING, "Telling is not supported on OGG/Vorbis streams!\n");
return -1;
}
-static char *ogg_vorbis_getcomment(struct ast_filestream *s) {
+static char *ogg_vorbis_getcomment(struct ast_filestream *s)
+{
ast_log(LOG_WARNING, "Getting comments is not supported on OGG/Vorbis streams!\n");
return NULL;
}
@@ -650,7 +662,7 @@ int load_module()
int unload_module()
{
return ast_format_unregister(name);
-}
+}
int usecount()
{
@@ -667,11 +679,3 @@ char *key()
{
return ASTERISK_GPL_KEY;
}
-
-/*
-Local Variables:
-mode: C
-c-file-style: "linux"
-indent-tabs-mode: t
-End:
-*/