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ext/wavpack/: Improve discont handling by checking if the next Wavpack block has the expected, following block index.

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Original commit message from CVS:
* ext/wavpack/gstwavpackdec.c: (gst_wavpack_dec_reset),
(gst_wavpack_dec_chain):
* ext/wavpack/gstwavpackdec.h:
* ext/wavpack/gstwavpackparse.c: (gst_wavpack_parse_reset),
(gst_wavpack_parse_push_buffer):
* ext/wavpack/gstwavpackparse.h:
Improve discont handling by checking if the next Wavpack block has
the expected, following block index.
This commit is contained in:
Sebastian Dröge 2007-06-09 15:33:32 +00:00
parent 06d12027fa
commit e05417a077
5 changed files with 21 additions and 2 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2007-06-09 Sebastian Dröge <slomo@circular-chaos.org>
* ext/wavpack/gstwavpackdec.c: (gst_wavpack_dec_reset),
(gst_wavpack_dec_chain):
* ext/wavpack/gstwavpackdec.h:
* ext/wavpack/gstwavpackparse.c: (gst_wavpack_parse_reset),
(gst_wavpack_parse_push_buffer):
* ext/wavpack/gstwavpackparse.h:
Improve discont handling by checking if the next Wavpack block has
the expected, following block index.
2007-06-08 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/rtp/gstrtpmp4vpay.c (gst_rtp_mp4vpay_details):

5
ext/wavpack/gstwavpackdec.c
View file

@ -130,6 +130,7 @@ gst_wavpack_dec_reset (GstWavpackDec * dec)
dec->depth = 0;
gst_segment_init (&dec->segment, GST_FORMAT_UNDEFINED);
dec->next_block_index = 0;
}
static void
@ -362,9 +363,11 @@ gst_wavpack_dec_chain (GstPad * pad, GstBuffer * buf)
/* If we got a DISCONT buffer forward the flag. Nothing else
* has to be done as libwavpack doesn't store state between
* Wavpack blocks */
if (GST_BUFFER_IS_DISCONT (buf))
if (GST_BUFFER_IS_DISCONT (buf) || dec->next_block_index != wph.block_index)
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
dec->next_block_index = wph.block_index + wph.block_samples;
/* decode */
decoded = WavpackUnpackSamples (dec->context,
(int32_t *) GST_BUFFER_DATA (outbuf), wph.block_samples);

1
ext/wavpack/gstwavpackdec.h
View file

@ -57,6 +57,7 @@ struct _GstWavpackDec
read_id wv_id;
GstSegment segment; /* used for clipping, TIME format */
guint32 next_block_index;
gint sample_rate;
gint depth;

5
ext/wavpack/gstwavpackparse.c
View file

@ -218,6 +218,7 @@ gst_wavpack_parse_reset (GstWavpackParse * parse)
parse->channels = 0;
gst_segment_init (&parse->segment, GST_FORMAT_UNDEFINED);
parse->next_block_index = 0;
parse->current_offset = 0;
parse->need_newsegment = TRUE;
@ -890,11 +891,13 @@ gst_wavpack_parse_push_buffer (GstWavpackParse * wvparse, GstBuffer * buf,
GST_BUFFER_OFFSET (buf) = header->block_index;
GST_BUFFER_OFFSET_END (buf) = header->block_index + header->block_samples;
if (wvparse->discont) {
if (wvparse->discont || wvparse->next_block_index != header->block_index) {
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
wvparse->discont = FALSE;
}
wvparse->next_block_index = header->block_index + header->block_samples;
gst_buffer_set_caps (buf, GST_PAD_CAPS (wvparse->srcpad));
GST_LOG_OBJECT (wvparse, "Pushing buffer with time %" GST_TIME_FORMAT,

1
ext/wavpack/gstwavpackparse.h
View file

@ -67,6 +67,7 @@ struct _GstWavpackParse
GstSegment segment; /* the currently configured segment, in
* samples/audio frames (DEFAULT format) */
guint32 next_block_index;
GstAdapter *adapter; /* when operating chain-based, otherwise NULL */