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flac: Make buffers created during seek act like normal buffers.

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Store the offset and caps when allocating a buffer during seeking, and then
allocate a new buffer with buffer_alloc before we push it out. This ensures
that in all respects the first buffer decoded during seeking behaves like
all other buffers, including allowing downstream re-negotiation.
This commit is contained in:
Jan Schmidt 2009-04-20 18:33:09 +01:00
parent 71acf2e900
commit c41d3d87fa
1 changed files with 14 additions and 3 deletions
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17
ext/flac/gstflacdec.c
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@ -931,8 +931,18 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
GST_BUFFER_OFFSET (flacdec->pending),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (flacdec->pending)),
GST_TIME_ARGS (GST_BUFFER_DURATION (flacdec->pending)));
gst_pad_push (flacdec->srcpad, flacdec->pending);
flacdec->pending = NULL;
/* Pending buffer was always allocated from the seeking thread,
* which means it wasn't gst_buffer_alloc'd. Do so now to let
* downstream negotiation work on older basetransform */
ret = gst_pad_alloc_buffer_and_set_caps (flacdec->srcpad,
GST_BUFFER_OFFSET (flacdec->pending),
GST_BUFFER_SIZE (flacdec->pending),
GST_BUFFER_CAPS (flacdec->pending), &outbuf);
if (ret == GST_FLOW_OK)
gst_pad_push (flacdec->srcpad, outbuf);
gst_buffer_unref (flacdec->pending);
outbuf = flacdec->pending = NULL;
flacdec->segment.last_stop += flacdec->pending_samples;
flacdec->pending_samples = 0;
}
@ -940,7 +950,8 @@ gst_flac_dec_write (GstFlacDec * flacdec, const FLAC__Frame * frame,
if (flacdec->seeking) {
GST_DEBUG_OBJECT (flacdec, "a pad_alloc would block here, do normal alloc");
outbuf = gst_buffer_new_and_alloc (samples * channels * (width / 8));
outbuf->offset = flacdec->segment.last_stop;
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (flacdec->srcpad));
GST_BUFFER_OFFSET (outbuf) = flacdec->segment.last_stop;
} else {
GST_LOG_OBJECT (flacdec, "alloc_buffer_and_set_caps");
ret = gst_pad_alloc_buffer_and_set_caps (flacdec->srcpad,