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qtmux: fix subtitle buffer duration and strip null termination

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Strip the \0 off the subtitle as we already know the size and also remember
to set the duration as buffer copying doesn't do it.

https://bugzilla.gnome.org/show_bug.cgi?id=737095
This commit is contained in:
Matej Knopp 2014-09-23 19:07:25 +02:00 committed by Thiago Santos
parent f57e9c4516
commit 6695341583
1 changed files with 8 additions and 3 deletions
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11
gst/isomp4/gstqtmux.c
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@ -561,10 +561,11 @@ gst_qt_mux_prepare_tx3g_buffer (GstQTPad * qtpad, GstBuffer * buf,
if (buf == NULL)
return NULL;
size = gst_buffer_get_size (buf);
gst_buffer_map (buf, &frommap, GST_MAP_READ);
size = (gint16) strnlen ((const char *) frommap.data, frommap.size);
newbuf = gst_buffer_new_and_alloc (size + 2);
gst_buffer_map (buf, &frommap, GST_MAP_READ);
gst_buffer_map (newbuf, &tomap, GST_MAP_WRITE);
GST_WRITE_UINT16_BE (tomap.data, size);
@ -575,6 +576,10 @@ gst_qt_mux_prepare_tx3g_buffer (GstQTPad * qtpad, GstBuffer * buf,
gst_buffer_copy_into (newbuf, buf, GST_BUFFER_COPY_METADATA, 0, size);
/* gst_buffer_copy_into is trying to be too clever and
* won't copy duration when size is different */
GST_BUFFER_DURATION (newbuf) = GST_BUFFER_DURATION (buf);
gst_buffer_unref (buf);
return newbuf;
@ -588,7 +593,7 @@ gst_qt_mux_create_empty_tx3g_buffer (GstQTPad * qtpad, gint64 duration)
data = g_malloc (2);
GST_WRITE_UINT16_BE (data, 0);
return gst_buffer_new_wrapped (data, 2);;
return gst_buffer_new_wrapped (data, 2);
}
static void