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Improve support for media paths that can generate multiple frames at once.

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There are various media paths in Asterisk (codec translators and UDPTL, primarily)
that can generate more than one frame to be generated when the application calling
them expects only a single frame. This patch addresses a number of those cases,
at least the primary ones to solve the known problems. In addition it removes the
broken TRACE_FRAMES support, fixes a number of bugs in various frame-related API
functions, and cleans up various code paths affected by these changes.

https://reviewboard.asterisk.org/r/175/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@200991 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2009-06-16 17:05:38 +00:00
parent a42ff13c97
commit 94fa4d11b5
12 changed files with 338 additions and 198 deletions
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18
main/file.c
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@@ -203,14 +203,20 @@ int ast_writestream(struct ast_filestream *fs, struct ast_frame *f)
struct ast_frame *trf;
fs->lastwriteformat = f->subclass;
/* Get the translated frame but don't consume the original in case they're using it on another stream */
trf = ast_translate(fs->trans, f, 0);
if (trf) {
res = fs->fmt->write(fs, trf);
if ((trf = ast_translate(fs->trans, f, 0))) {
struct ast_frame *cur;
/* the translator may have returned multiple frames, so process them */
for (cur = trf; cur; cur = AST_LIST_NEXT(cur, frame_list)) {
if ((res = fs->fmt->write(fs, trf))) {
ast_log(LOG_WARNING, "Translated frame write failed\n");
break;
}
}
ast_frfree(trf);
if (res)
ast_log(LOG_WARNING, "Translated frame write failed\n");
} else
} else {
res = 0;
}
}
}
return res;