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gst/iec958/ac3iec.c: Remove some setcaps brokenness.

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Original commit message from CVS:
* gst/iec958/ac3iec.c: (ac3iec_init), (ac3iec_chain_dvd):
Remove some setcaps brokenness.
Don't crash on bad input.
This commit is contained in:
Michael Smith 2005-11-18 16:14:00 +00:00
parent d62642b8f8
commit eae0c80f16
3 changed files with 22 additions and 23 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2005-11-18 Michael Smith <msmith@fluendo.com>
* gst/iec958/ac3iec.c: (ac3iec_init), (ac3iec_chain_dvd):
Remove some setcaps brokenness.
Don't crash on bad input.
2005-11-15 Johan Dahlin <johan@gnome.org>
* ext/mad/gstid3tag.c (gst_mad_id3_to_tag_list): unset GValues after

2
common

@ -1 +1 @@
Subproject commit 657b549dfb640a76f3d7ab7676e453c801a83dca
Subproject commit ea1409191cc1e71273b2dbdd94e7ab5fc5a60a51

37
gst/iec958/ac3iec.c
View file

@ -86,7 +86,6 @@ static void ac3iec_get_property (GObject * object,
static GstFlowReturn ac3iec_chain_dvd (GstPad * pad, GstBuffer * buf);
static GstFlowReturn ac3iec_chain_raw (GstPad * pad, GstBuffer * buf);
static gboolean ac3iec_setcaps (GstPad * pad, GstCaps * caps);
static GstStateChangeReturn ac3iec_change_state (GstElement * element,
GstStateChange transition);
@ -161,15 +160,16 @@ ac3iec_init (AC3IEC * ac3iec)
ac3iec->sink =
gst_pad_new_from_template (gst_static_pad_template_get
(&ac3iec_sink_template), "sink");
gst_element_add_pad (GST_ELEMENT (ac3iec), ac3iec->sink);
gst_pad_set_setcaps_function (ac3iec->sink, ac3iec_setcaps);
gst_pad_set_chain_function (ac3iec->sink, ac3iec_chain_dvd);
gst_element_add_pad (GST_ELEMENT (ac3iec), ac3iec->sink);
ac3iec->src =
gst_pad_new_from_template (gst_static_pad_template_get
(&ac3iec_src_template), "src");
gst_pad_use_fixed_caps (ac3iec->src);
gst_element_add_pad (GST_ELEMENT (ac3iec), ac3iec->src);
ac3iec->cur_ts = GST_CLOCK_TIME_NONE;
ac3iec->padder = g_malloc (sizeof (ac3_padder));
@ -184,25 +184,6 @@ ac3iec_finalize (GObject * object)
g_free (ac3iec->padder);
}
static gboolean
ac3iec_setcaps (GstPad * pad, GstCaps * caps)
{
AC3IEC *ac3iec = AC3IEC (gst_pad_get_parent (pad));
gboolean res = TRUE;
GstCaps *src_caps;
src_caps = gst_caps_new_simple ("audio/x-iec958", NULL);
if (!gst_pad_set_caps (ac3iec->src, src_caps)) {
res = FALSE;
}
gst_caps_unref (src_caps);
gst_object_unref (ac3iec);
return res;
}
static void
ac3iec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
@ -260,6 +241,12 @@ ac3iec_chain_dvd (GstPad * pad, GstBuffer * buf)
/* Length of data before first_access */
len = first_access - 1;
/* Ensure we don't crash if fed totally invalid data */
if (offset + len > size) {
ret = GST_FLOW_ERROR;
goto done;
}
if (len > 0) {
subbuf = gst_buffer_create_sub (buf, offset, len);
GST_BUFFER_TIMESTAMP (subbuf) = GST_CLOCK_TIME_NONE;
@ -276,6 +263,12 @@ ac3iec_chain_dvd (GstPad * pad, GstBuffer * buf)
ret = ac3iec_chain_raw (pad, subbuf);
} else {
/* Ensure we don't crash if fed totally invalid data */
if (size < 2) {
ret = GST_FLOW_ERROR;
goto done;
}
/* No first_access, so no timestamp */
subbuf = gst_buffer_create_sub (buf, offset, size - offset);
GST_BUFFER_TIMESTAMP (subbuf) = GST_CLOCK_TIME_NONE;