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ext/vorbis/vorbisdec.c: When calculating the first timestamp of the buffers, don't go below 0 and clip the samples be...

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Original commit message from CVS:
* ext/vorbis/vorbisdec.c: (vorbis_dec_push_forward):
When calculating the first timestamp of the buffers, don't go below 0
and clip the samples because the offset was on the eos page.
Fixes #466717.
This commit is contained in:
Wim Taymans 2007-08-21 12:08:43 +00:00
parent 9a32184a05
commit 8da7f5ece9
2 changed files with 30 additions and 7 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-08-21 Wim Taymans <wim.taymans@gmail.com>
* ext/vorbis/vorbisdec.c: (vorbis_dec_push_forward):
When calculating the first timestamp of the buffers, don't go below 0
and clip the samples because the offset was on the eos page.
Fixes #466717.
2007-08-21 Wim Taymans <wim.taymans@gmail.com>
* ext/ogg/gstoggdemux.c: (gst_ogg_demux_read_chain),

30
ext/vorbis/vorbisdec.c
View file

@ -806,7 +806,12 @@ static GstFlowReturn
vorbis_dec_push_forward (GstVorbisDec * dec, GstBuffer * buf)
{
GstFlowReturn result;
gint64 outoffset = GST_BUFFER_OFFSET (buf);
gint64 outoffset, origoffset;
origoffset = GST_BUFFER_OFFSET (buf);
again:
outoffset = origoffset;
if (outoffset == -1) {
dec->queued = g_list_append (dec->queued, buf);
@ -814,7 +819,7 @@ vorbis_dec_push_forward (GstVorbisDec * dec, GstBuffer * buf)
result = GST_FLOW_OK;
} else {
if (G_UNLIKELY (dec->queued)) {
gint64 size;
guint size;
GstClockTime ts;
GList *walk;
@ -827,9 +832,20 @@ vorbis_dec_push_forward (GstVorbisDec * dec, GstBuffer * buf)
for (walk = g_list_last (dec->queued); walk;
walk = g_list_previous (walk)) {
GstBuffer *buffer = GST_BUFFER (walk->data);
guint offset;
outoffset -=
GST_BUFFER_SIZE (buffer) / (sizeof (float) * dec->vi.channels);
offset = GST_BUFFER_SIZE (buffer) / (sizeof (float) * dec->vi.channels);
if (outoffset >= offset)
outoffset -= offset;
else {
/* we can't go below 0, this means this first offset was at the eos
* page and we need to clip to it instead */
GST_DEBUG_OBJECT (dec, "clipping %" G_GINT64_FORMAT,
offset - outoffset);
origoffset += (offset - outoffset);
goto again;
}
GST_BUFFER_OFFSET (buffer) = outoffset;
GST_BUFFER_TIMESTAMP (buffer) =
@ -837,9 +853,9 @@ vorbis_dec_push_forward (GstVorbisDec * dec, GstBuffer * buf)
GST_BUFFER_DURATION (buffer) = GST_CLOCK_DIFF (GST_BUFFER_TIMESTAMP
(buffer), ts);
ts = GST_BUFFER_TIMESTAMP (buffer);
GST_DEBUG_OBJECT (dec, "patch buffer %" G_GUINT64_FORMAT
", offset %" G_GUINT64_FORMAT ", timestamp %" GST_TIME_FORMAT
", duration %" GST_TIME_FORMAT, size, outoffset,
GST_DEBUG_OBJECT (dec, "patch buffer %u, offset %" G_GUINT64_FORMAT
", timestamp %" GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT,
size, outoffset,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)));
size--;