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@ -63,7 +63,7 @@ struct ast_filestream {
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/* Believe it or not, we must decode/recode to account for the
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weird MS format */
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/* This is what a filestream means to us */
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int fd; /* Descriptor */
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FILE *f; /* Descriptor */
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struct ast_frame fr; /* Frame information */
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char waste[AST_FRIENDLY_OFFSET]; /* Buffer for sending frames, etc */
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char empty; /* Empty character */
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@ -104,23 +104,23 @@ static char *exts = "WAV|wav49";
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#endif
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static int check_header(int fd)
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static int check_header(FILE *f)
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{
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int type, size, formtype;
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int fmt, hsize, fact;
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short format, chans;
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int freq;
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int data;
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if (read(fd, &type, 4) != 4) {
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if (fread(&type, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (type)\n");
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return -1;
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}
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if (read(fd, &size, 4) != 4) {
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if (fread(&size, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (size)\n");
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return -1;
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}
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size = ltohl(size);
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if (read(fd, &formtype, 4) != 4) {
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if (fread(&formtype, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (formtype)\n");
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return -1;
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}
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@ -132,7 +132,7 @@ static int check_header(int fd)
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ast_log(LOG_WARNING, "Does not contain WAVE\n");
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return -1;
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}
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if (read(fd, &fmt, 4) != 4) {
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if (fread(&fmt, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (fmt)\n");
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return -1;
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}
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@ -140,7 +140,7 @@ static int check_header(int fd)
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ast_log(LOG_WARNING, "Does not say fmt\n");
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return -1;
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}
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if (read(fd, &hsize, 4) != 4) {
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if (fread(&hsize, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (formtype)\n");
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return -1;
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}
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@ -148,7 +148,7 @@ static int check_header(int fd)
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ast_log(LOG_WARNING, "Unexpected header size %d\n", ltohl(hsize));
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return -1;
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}
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if (read(fd, &format, 2) != 2) {
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if (fread(&format, 1, 2, f) != 2) {
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ast_log(LOG_WARNING, "Read failed (format)\n");
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return -1;
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}
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@ -156,7 +156,7 @@ static int check_header(int fd)
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ast_log(LOG_WARNING, "Not a GSM file %d\n", ltohs(format));
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return -1;
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}
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if (read(fd, &chans, 2) != 2) {
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if (fread(&chans, 1, 2, f) != 2) {
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ast_log(LOG_WARNING, "Read failed (format)\n");
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return -1;
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}
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@ -164,7 +164,7 @@ static int check_header(int fd)
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ast_log(LOG_WARNING, "Not in mono %d\n", ltohs(chans));
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return -1;
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}
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if (read(fd, &freq, 4) != 4) {
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if (fread(&freq, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (freq)\n");
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return -1;
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}
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@ -173,22 +173,22 @@ static int check_header(int fd)
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return -1;
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}
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/* Ignore the byte frequency */
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if (read(fd, &freq, 4) != 4) {
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if (fread(&freq, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (X_1)\n");
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return -1;
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}
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/* Ignore the two weird fields */
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if (read(fd, &freq, 4) != 4) {
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if (fread(&freq, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (X_2/X_3)\n");
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return -1;
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}
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/* Ignore the byte frequency */
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if (read(fd, &freq, 4) != 4) {
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if (fread(&freq, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (Y_1)\n");
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return -1;
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}
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/* Check for the word fact */
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if (read(fd, &fact, 4) != 4) {
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if (fread(&fact, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (fact)\n");
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return -1;
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}
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@ -197,16 +197,16 @@ static int check_header(int fd)
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return -1;
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}
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/* Ignore the "fact value" */
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if (read(fd, &fact, 4) != 4) {
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if (fread(&fact, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (fact header)\n");
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return -1;
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}
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if (read(fd, &fact, 4) != 4) {
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if (fread(&fact, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (fact value)\n");
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return -1;
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}
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/* Check for the word data */
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if (read(fd, &data, 4) != 4) {
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if (fread(&data, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (data)\n");
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return -1;
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}
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@ -215,20 +215,21 @@ static int check_header(int fd)
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return -1;
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}
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/* Ignore the data length */
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if (read(fd, &data, 4) != 4) {
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if (fread(&data, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Read failed (data)\n");
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return -1;
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}
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return 0;
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}
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static int update_header(int fd)
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static int update_header(FILE *f)
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{
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off_t cur,end,bytes;
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int datalen,filelen;
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cur = lseek(fd, 0, SEEK_CUR);
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end = lseek(fd, 0, SEEK_END);
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cur = ftell(f);
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fseek(f, 0, SEEK_END);
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end = ftell(f);
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/* in a gsm WAV, data starts 60 bytes in */
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bytes = end - 60;
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datalen = htoll((bytes + 1) & ~0x1);
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@ -237,30 +238,30 @@ static int update_header(int fd)
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ast_log(LOG_WARNING, "Unable to find our position\n");
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return -1;
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}
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if (lseek(fd, 4, SEEK_SET) != 4) {
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if (fseek(f, 4, SEEK_SET)) {
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ast_log(LOG_WARNING, "Unable to set our position\n");
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return -1;
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}
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if (write(fd, &filelen, 4) != 4) {
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if (fwrite(&filelen, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to set write file size\n");
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return -1;
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}
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if (lseek(fd, 56, SEEK_SET) != 56) {
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if (fseek(f, 56, SEEK_SET)) {
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ast_log(LOG_WARNING, "Unable to set our position\n");
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return -1;
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}
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if (write(fd, &datalen, 4) != 4) {
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if (fwrite(&datalen, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to set write datalen\n");
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return -1;
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}
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if (lseek(fd, cur, SEEK_SET) != cur) {
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if (fseek(f, cur, SEEK_SET)) {
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ast_log(LOG_WARNING, "Unable to return to position\n");
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return -1;
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}
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return 0;
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}
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static int write_header(int fd)
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static int write_header(FILE *f)
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{
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unsigned int hz=htoll(8000);
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unsigned int bhz = htoll(1625);
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@ -274,74 +275,74 @@ static int write_header(int fd)
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unsigned int y_1 = htoll(20160);
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unsigned int size = htoll(0);
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/* Write a GSM header, ignoring sizes which will be filled in later */
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if (write(fd, "RIFF", 4) != 4) {
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if (fwrite("RIFF", 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &size, 4) != 4) {
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if (fwrite(&size, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, "WAVEfmt ", 8) != 8) {
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if (fwrite("WAVEfmt ", 1, 8, f) != 8) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &hs, 4) != 4) {
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if (fwrite(&hs, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &fmt, 2) != 2) {
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if (fwrite(&fmt, 1, 2, f) != 2) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &chans, 2) != 2) {
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if (fwrite(&chans, 1, 2, f) != 2) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &hz, 4) != 4) {
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if (fwrite(&hz, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &bhz, 4) != 4) {
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if (fwrite(&bhz, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &x_1, 4) != 4) {
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if (fwrite(&x_1, 1, 4, f) != 4) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &x_2, 2) != 2) {
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if (fwrite(&x_2, 1, 2, f) != 2) {
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ast_log(LOG_WARNING, "Unable to write header\n");
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return -1;
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}
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if (write(fd, &x_3, 2) != 2) {
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if (fwrite(&x_3, 1, 2, f) != 2) {
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|
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ast_log(LOG_WARNING, "Unable to write header\n");
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|
|
return -1;
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}
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|
|
if (write(fd, "fact", 4) != 4) {
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|
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if (fwrite("fact", 1, 4, f) != 4) {
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|
|
ast_log(LOG_WARNING, "Unable to write header\n");
|
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|
|
return -1;
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|
}
|
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|
|
if (write(fd, &fhs, 4) != 4) {
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|
|
if (fwrite(&fhs, 1, 4, f) != 4) {
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|
|
ast_log(LOG_WARNING, "Unable to write header\n");
|
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|
|
return -1;
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|
|
}
|
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|
|
if (write(fd, &y_1, 4) != 4) {
|
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|
|
if (fwrite(&y_1, 1, 4, f) != 4) {
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|
|
ast_log(LOG_WARNING, "Unable to write header\n");
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
if (write(fd, "data", 4) != 4) {
|
|
|
|
|
if (fwrite("data", 1, 4, f) != 4) {
|
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|
|
ast_log(LOG_WARNING, "Unable to write header\n");
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
if (write(fd, &size, 4) != 4) {
|
|
|
|
|
if (fwrite(&size, 1, 4, f) != 4) {
|
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|
|
|
ast_log(LOG_WARNING, "Unable to write header\n");
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct ast_filestream *wav_open(int fd)
|
|
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|
|
static struct ast_filestream *wav_open(FILE *f)
|
|
|
|
|
{
|
|
|
|
|
/* We don't have any header to read or anything really, but
|
|
|
|
|
if we did, it would go here. We also might want to check
|
|
|
|
|
@ -349,7 +350,7 @@ static struct ast_filestream *wav_open(int fd)
|
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|
|
struct ast_filestream *tmp;
|
|
|
|
|
if ((tmp = malloc(sizeof(struct ast_filestream)))) {
|
|
|
|
|
memset(tmp, 0, sizeof(struct ast_filestream));
|
|
|
|
|
if (check_header(fd)) {
|
|
|
|
|
if (check_header(f)) {
|
|
|
|
|
free(tmp);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
@ -358,7 +359,7 @@ static struct ast_filestream *wav_open(int fd)
|
|
|
|
|
free(tmp);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
tmp->fd = fd;
|
|
|
|
|
tmp->f = f;
|
|
|
|
|
tmp->fr.data = tmp->gsm;
|
|
|
|
|
tmp->fr.frametype = AST_FRAME_VOICE;
|
|
|
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tmp->fr.subclass = AST_FORMAT_GSM;
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@ -373,7 +374,7 @@ static struct ast_filestream *wav_open(int fd)
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return tmp;
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}
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static struct ast_filestream *wav_rewrite(int fd, const char *comment)
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static struct ast_filestream *wav_rewrite(FILE *f, const char *comment)
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{
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/* We don't have any header to read or anything really, but
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if we did, it would go here. We also might want to check
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@ -381,7 +382,7 @@ static struct ast_filestream *wav_rewrite(int fd, const char *comment)
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struct ast_filestream *tmp;
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if ((tmp = malloc(sizeof(struct ast_filestream)))) {
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memset(tmp, 0, sizeof(struct ast_filestream));
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if (write_header(fd)) {
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if (write_header(f)) {
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free(tmp);
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return NULL;
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}
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@ -390,7 +391,7 @@ static struct ast_filestream *wav_rewrite(int fd, const char *comment)
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free(tmp);
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return NULL;
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}
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tmp->fd = fd;
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tmp->f = f;
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glistcnt++;
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ast_mutex_unlock(&wav_lock);
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ast_update_use_count();
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@ -410,9 +411,10 @@ static void wav_close(struct ast_filestream *s)
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ast_mutex_unlock(&wav_lock);
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ast_update_use_count();
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/* Pad to even length */
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if (lseek(s->fd, 0, SEEK_END) & 0x1)
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write(s->fd, &zero, 1);
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close(s->fd);
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fseek(s->f, 0, SEEK_END);
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if (ftell(s->f) & 0x1)
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fwrite(&zero, 1, 1, s->f);
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fclose(s->f);
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free(s);
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s = NULL;
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}
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@ -433,7 +435,7 @@ static struct ast_frame *wav_read(struct ast_filestream *s, int *whennext)
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/* Just return a frame based on the second GSM frame */
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s->fr.data = s->gsm + 33;
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} else {
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if ((res = read(s->fd, msdata, 65)) != 65) {
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if ((res = fread(msdata, 1, 65, s->f)) != 65) {
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|
if (res && (res != 1))
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|
ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno));
|
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|
return NULL;
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|
|
@ -466,21 +468,21 @@ static int wav_write(struct ast_filestream *fs, struct ast_frame *f)
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|
|
while(len < f->datalen) {
|
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|
|
if (alreadyms) {
|
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|
fs->secondhalf = 0;
|
|
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|
|
if ((res = write(fs->fd, f->data + len, 65)) != 65) {
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|
|
if ((res = fwrite(f->data + len, 1, 65, fs->f)) != 65) {
|
|
|
|
|
ast_log(LOG_WARNING, "Bad write (%d/65): %s\n", res, strerror(errno));
|
|
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|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
update_header(fs->fd);
|
|
|
|
|
update_header(fs->f);
|
|
|
|
|
len += 65;
|
|
|
|
|
} else {
|
|
|
|
|
if (fs->secondhalf) {
|
|
|
|
|
memcpy(fs->gsm + 33, f->data + len, 33);
|
|
|
|
|
conv66(fs->gsm, msdata);
|
|
|
|
|
if ((res = write(fs->fd, msdata, 65)) != 65) {
|
|
|
|
|
if ((res = fwrite(msdata, 1, 65, fs->f)) != 65) {
|
|
|
|
|
ast_log(LOG_WARNING, "Bad write (%d/65): %s\n", res, strerror(errno));
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
update_header(fs->fd);
|
|
|
|
|
update_header(fs->f);
|
|
|
|
|
} else {
|
|
|
|
|
/* Copy the data and do nothing */
|
|
|
|
|
memcpy(fs->gsm, f->data + len, 33);
|
|
|
|
|
@ -496,8 +498,9 @@ static int wav_seek(struct ast_filestream *fs, long sample_offset, int whence)
|
|
|
|
|
{
|
|
|
|
|
off_t offset=0,distance,cur,min,max;
|
|
|
|
|
min = 60;
|
|
|
|
|
cur = lseek(fs->fd, 0, SEEK_CUR);
|
|
|
|
|
max = lseek(fs->fd, 0, SEEK_END);
|
|
|
|
|
cur = ftell(fs->f);
|
|
|
|
|
fseek(fs->f, 0, SEEK_END);
|
|
|
|
|
max = ftell(fs->f);
|
|
|
|
|
/* I'm getting sloppy here, I'm only going to go to even splits of the 2
|
|
|
|
|
* frames, if you want tighter cuts use format_gsm, format_pcm, or format_wav */
|
|
|
|
|
distance = (sample_offset/320) * 65;
|
|
|
|
|
@ -513,26 +516,26 @@ static int wav_seek(struct ast_filestream *fs, long sample_offset, int whence)
|
|
|
|
|
offset = (offset > max)?max:offset;
|
|
|
|
|
} else if (offset > max) {
|
|
|
|
|
int i;
|
|
|
|
|
lseek(fs->fd, 0, SEEK_END);
|
|
|
|
|
fseek(fs->f, 0, SEEK_END);
|
|
|
|
|
for (i=0; i< (offset - max) / 65; i++) {
|
|
|
|
|
write(fs->fd, msgsm_silence, 65);
|
|
|
|
|
fwrite(msgsm_silence, 1, 65, fs->f);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
fs->secondhalf = 0;
|
|
|
|
|
return lseek(fs->fd, offset, SEEK_SET);
|
|
|
|
|
return fseek(fs->f, offset, SEEK_SET);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int wav_trunc(struct ast_filestream *fs)
|
|
|
|
|
{
|
|
|
|
|
if(ftruncate(fs->fd, lseek(fs->fd, 0, SEEK_CUR)))
|
|
|
|
|
if (ftruncate(fileno(fs->f), ftell(fs->f)))
|
|
|
|
|
return -1;
|
|
|
|
|
return update_header(fs->fd);
|
|
|
|
|
return update_header(fs->f);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static long wav_tell(struct ast_filestream *fs)
|
|
|
|
|
{
|
|
|
|
|
off_t offset;
|
|
|
|
|
offset = lseek(fs->fd, 0, SEEK_CUR);
|
|
|
|
|
offset = ftell(fs->f);
|
|
|
|
|
/* since this will most likely be used later in play or record, lets stick
|
|
|
|
|
* to that level of resolution, just even frames boundaries */
|
|
|
|
|
return (offset - 52)/65*320;
|
|
|
|
|
|
Mark Spencer
20 years ago