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ext/faac/gstfaac.c: Warn and clamp to max bitrate for samplerate.

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Original commit message from CVS:
* ext/faac/gstfaac.c: (gst_faac_configure_source_pad):
Warn and clamp to max bitrate for samplerate.
Fixes #550486.
This commit is contained in:
Wim Taymans 2008-10-03 17:11:12 +00:00
parent 67030c152b
commit db433443c9
2 changed files with 21 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2008-10-03 Wim Taymans <wim.taymans@collabora.co.uk>
* ext/faac/gstfaac.c: (gst_faac_configure_source_pad):
Warn and clamp to max bitrate for samplerate.
Fixes #550486.
2008-10-03 Zaheer Abbas Merali <zaheerabbas at merali dot org> 2008-10-03 Zaheer Abbas Merali <zaheerabbas at merali dot org>
* gst/mpegtsparse/mpegtsparse.c: * gst/mpegtsparse/mpegtsparse.c:

15
ext/faac/gstfaac.c
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@ -356,6 +356,7 @@ gst_faac_configure_source_pad (GstFaac * faac)
gboolean ret = FALSE; gboolean ret = FALSE;
gint n, ver, mpegversion; gint n, ver, mpegversion;
faacEncConfiguration *conf; faacEncConfiguration *conf;
guint maxbitrate;
mpegversion = FAAC_DEFAULT_MPEGVERSION; mpegversion = FAAC_DEFAULT_MPEGVERSION;
@ -392,6 +393,20 @@ gst_faac_configure_source_pad (GstFaac * faac)
conf->inputFormat = faac->format; conf->inputFormat = faac->format;
conf->outputFormat = faac->outputformat; conf->outputFormat = faac->outputformat;
conf->shortctl = faac->shortctl; conf->shortctl = faac->shortctl;
/* check, warn and correct if the max bitrate for the given samplerate is
* exceeded. Maximum of 6144 bit for a channel */
maxbitrate =
(unsigned int) (6144.0 * (double) faac->samplerate / (double) 1024.0 +
.5);
if (conf->bitRate > maxbitrate) {
GST_ELEMENT_WARNING (faac, RESOURCE, SETTINGS, (NULL),
("bitrate %u exceeds maximum allowed bitrate of %u for samplerate %d. "
"Setting bitrate to %u", conf->bitRate, maxbitrate,
faac->samplerate, maxbitrate));
conf->bitRate = maxbitrate;
}
if (!faacEncSetConfiguration (faac->handle, conf)) if (!faacEncSetConfiguration (faac->handle, conf))
goto set_failed; goto set_failed;