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formats: Restore previous fread() behavior

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Some formats are able to handle short reads while others are not, so
restore the previous behavior for the format modules so that we don't
have spurious errors when playing back files.

ASTERISK-27232 #close
Reported by: Jens T.

Change-Id: Iab7f52b25a394f277566c8a2a4b15a692280a300
changes/06/6406/1
Sean Bright 8 years ago
parent f556c31aea
commit c3a6c8fd2d
15 changed files with 87 additions and 161 deletions
Show Stats Download Patch File Download Diff File

17
formats/format_g719.c
Unescape View File

@ -40,20 +40,15 @@
static struct ast_frame *g719read(struct ast_filestream *s, int *whennext)
{
int res;
/* Send a frame from the file to the appropriate channel */
size_t res;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

15
formats/format_g723.c
Unescape View File

@ -40,7 +40,7 @@
static struct ast_frame *g723_read(struct ast_filestream *s, int *whennext)
{
unsigned short size;
int res;
size_t res;
int delay;
/* Read the delay for the next packet, and schedule again if necessary */
/* XXX is this ignored ? */
@ -65,15 +65,10 @@ static struct ast_frame *g723_read(struct ast_filestream *s, int *whennext)
/* Read the data into the buffer */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, size);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

15
formats/format_g726.c
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@ -117,22 +117,17 @@ static int g726_16_rewrite(struct ast_filestream *s, const char *comment)
static struct ast_frame *g726_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
struct g726_desc *fs = (struct g726_desc *)s->_private;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, frame_size[fs->rate]);
s->fr.samples = 8 * FRAME_TIME;
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

16
formats/format_g729.c
Unescape View File

@ -46,20 +46,16 @@
static struct ast_frame *g729_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
/* Send a frame from the file to the appropriate channel */
s->fr.samples = G729A_SAMPLES;
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res && res != 10) /* XXX what for ? */ {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

15
formats/format_gsm.c
Unescape View File

@ -53,19 +53,14 @@ static const char gsm_silence[] = /* 33 */
static struct ast_frame *gsm_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
AST_FRAME_SET_BUFFER(&(s->fr), s->buf, AST_FRIENDLY_OFFSET, GSM_FRAME_SIZE);
if ((res = fread(s->fr.data.ptr, 1, GSM_FRAME_SIZE, s->f)) != GSM_FRAME_SIZE) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), GSM_FRAME_SIZE, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), GSM_FRAME_SIZE, res,
strerror(errno));
}
return NULL;
}

15
formats/format_h263.c
Unescape View File

@ -67,7 +67,7 @@ static int h263_open(struct ast_filestream *s)
static struct ast_frame *h263_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
uint32_t mark;
unsigned short len;
unsigned int ts;
@ -85,15 +85,10 @@ static struct ast_frame *h263_read(struct ast_filestream *s, int *whennext)
}
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, len);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

15
formats/format_h264.c
Unescape View File

@ -59,7 +59,7 @@ static int h264_open(struct ast_filestream *s)
static struct ast_frame *h264_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
int mark = 0;
unsigned short len;
unsigned int ts;
@ -77,15 +77,10 @@ static struct ast_frame *h264_read(struct ast_filestream *s, int *whennext)
}
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, len);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

16
formats/format_ilbc.c
Unescape View File

@ -45,19 +45,15 @@
static struct ast_frame *ilbc_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, ILBC_BUF_SIZE);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

20
formats/format_pcm.c
Unescape View File

@ -78,21 +78,15 @@ static int pcma_rewrite(struct ast_filestream *s, const char *comment)
static struct ast_frame *pcm_read(struct ast_filestream *s, int *whennext)
{
int res;
/* Send a frame from the file to the appropriate channel */
size_t res;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) < 1) {
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

17
formats/format_siren14.c
Unescape View File

@ -40,20 +40,15 @@
static struct ast_frame *siren14read(struct ast_filestream *s, int *whennext)
{
int res;
/* Send a frame from the file to the appropriate channel */
size_t res;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

17
formats/format_siren7.c
Unescape View File

@ -40,20 +40,15 @@
static struct ast_frame *siren7read(struct ast_filestream *s, int *whennext)
{
int res;
/* Send a frame from the file to the appropriate channel */
size_t res;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

19
formats/format_sln.c
Unescape View File

@ -34,20 +34,15 @@
static struct ast_frame *generic_read(struct ast_filestream *s, int *whennext, unsigned int buf_size)
{
int res;
/* Send a frame from the file to the appropriate channel */
size_t res;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, buf_size);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) < 1) {
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

17
formats/format_vox.c
Unescape View File

@ -40,20 +40,15 @@
static struct ast_frame *vox_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
/* Send a frame from the file to the appropriate channel */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) < 1) {
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

17
formats/format_wav.c
Unescape View File

@ -369,7 +369,7 @@ static void wav_close(struct ast_filestream *s)
static struct ast_frame *wav_read(struct ast_filestream *s, int *whennext)
{
int res;
size_t res;
int samples; /* actual samples read */
#if __BYTE_ORDER == __BIG_ENDIAN
int x;
@ -391,16 +391,11 @@ static struct ast_frame *wav_read(struct ast_filestream *s, int *whennext)
/* ast_debug(1, "here: %d, maxlen: %d, bytes: %d\n", here, s->maxlen, bytes); */
AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, bytes);
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) == 0) {
if (res) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), s->fr.datalen, res,
strerror(errno));
}
return NULL;
}

17
formats/format_wav_gsm.c
Unescape View File

@ -419,18 +419,13 @@ static struct ast_frame *wav_read(struct ast_filestream *s, int *whennext)
} else {
/* read and convert */
unsigned char msdata[MSGSM_FRAME_SIZE];
int res;
size_t res;
if ((res = fread(msdata, 1, MSGSM_FRAME_SIZE, s->f)) != MSGSM_FRAME_SIZE) {
if (feof(s->f)) {
if (res) {
ast_debug(3, "Incomplete frame data at end of %s file "
"(expected %d bytes, read %d)\n",
ast_format_get_name(s->fr.subclass.format), MSGSM_FRAME_SIZE, res);
}
} else {
ast_log(LOG_ERROR, "Error while reading %s file: %s\n",
ast_format_get_name(s->fr.subclass.format), strerror(errno));
if (res && res != 1) {
ast_log(LOG_WARNING, "Short read of %s data (expected %d bytes, read %zu): %s\n",
ast_format_get_name(s->fr.subclass.format), MSGSM_FRAME_SIZE, res,
strerror(errno));
}
return NULL;
}

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