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flacparse: baseparse takes care of handling leftover pieces

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Mark Nauwelaerts 2009-12-18 21:04:12 +01:00 committed by Tim-Philipp Müller
parent 6f3106b603
commit 534e2d7f49
1 changed files with 14 additions and 36 deletions
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50
gst/audioparsers/gstflacparse.c
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@ -585,47 +585,25 @@ gst_flac_parse_get_frame_size (GstFlacParse * flacparse, GstBuffer * buffer,
need_more_data:
{
gint64 upstream_len = flacparse->upstream_length;
GstFormat fmt;
gboolean first_try = TRUE;
gint max;
GST_DEBUG_OBJECT (flacparse, "Need more data");
retry:
fmt = GST_FORMAT_BYTES;
if (upstream_len != -1 ||
(gst_pad_query_peer_duration (GST_BASE_PARSE_SINK_PAD (GST_BASE_PARSE
(flacparse)), &fmt, &upstream_len)
&& fmt == GST_FORMAT_BYTES && upstream_len != -1)) {
flacparse->upstream_length = upstream_len;
upstream_len -= GST_BUFFER_OFFSET (buffer);
if (flacparse->max_framesize
&& flacparse->max_framesize > flacparse->requested_frame_size
&& flacparse->max_framesize <= upstream_len) {
flacparse->requested_frame_size = flacparse->max_framesize;
} else if (flacparse->requested_frame_size + 4096 <= upstream_len) {
flacparse->requested_frame_size += 4096;
} else if (flacparse->requested_frame_size <= upstream_len) {
flacparse->requested_frame_size = upstream_len;
} else {
if (first_try) {
upstream_len = -1;
first_try = FALSE;
goto retry;
} else {
goto eos;
}
}
/* not enough, if that was all available, give up on frame */
if (G_UNLIKELY (gst_base_parse_get_drain (GST_BASE_PARSE_CAST (flacparse))))
goto eos;
/* otherwise, ask for some more */
max = flacparse->max_framesize;
if (!max)
max = 1 << 24;
flacparse->requested_frame_size
= MIN (GST_BUFFER_SIZE (buffer) + 4096, max);
if (flacparse->requested_frame_size > GST_BUFFER_SIZE (buffer)) {
GST_DEBUG_OBJECT (flacparse, "Requesting %u bytes",
flacparse->requested_frame_size);
return flacparse->requested_frame_size;
} else {
flacparse->requested_frame_size++;
GST_DEBUG_OBJECT (flacparse, "Requesting %u bytes",
flacparse->requested_frame_size);
return flacparse->requested_frame_size;
GST_DEBUG_OBJECT (flacparse, "Giving up on invalid frame (%d bytes)",
GST_BUFFER_SIZE (buffer));
return -1;
}
}