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gst/dvdlpcmdec/gstdvdlpcmdec.*: Implement all sample rates.
Original commit message from CVS: * gst/dvdlpcmdec/gstdvdlpcmdec.c: (gst_dvdlpcm_reset), (update_timestamps), (parse_header), (gst_dvdlpcmdec_chain_dvd), (gst_dvdlpcmdec_chain_raw), (dvdlpcmdec_sink_event): * gst/dvdlpcmdec/gstdvdlpcmdec.h: Implement all sample rates. Implement sample permutation a little smarter avoiding a memcpy. Fix timestamps, use segments, fix seeking.
This commit is contained in:
Wim Taymans
parent
549ec77758
commit
d8659dad60
3 changed files with 69 additions and 40 deletions
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2007-02-28 Wim Taymans <wim@fluendo.com>
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* gst/dvdlpcmdec/gstdvdlpcmdec.c: (gst_dvdlpcm_reset),
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(update_timestamps), (parse_header), (gst_dvdlpcmdec_chain_dvd),
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(gst_dvdlpcmdec_chain_raw), (dvdlpcmdec_sink_event):
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* gst/dvdlpcmdec/gstdvdlpcmdec.h:
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Implement all sample rates.
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Implement sample permutation a little smarter avoiding a memcpy.
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Fix timestamps, use segments, fix seeking.
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2007-02-28 Wim Taymans <wim@fluendo.com>
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* docs/plugins/Makefile.am:
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@ -155,8 +155,7 @@ gst_dvdlpcm_reset (GstDvdLpcmDec * dvdlpcmdec)
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dvdlpcmdec->header = 0;
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GST_LOG_OBJECT (dvdlpcmdec, "Setting NULL caps on src pad");
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gst_pad_set_caps (dvdlpcmdec->srcpad, NULL);
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gst_segment_init (&dvdlpcmdec->segment, GST_FORMAT_UNDEFINED);
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}
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static void
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@ -276,7 +275,7 @@ update_timestamps (GstDvdLpcmDec * dvdlpcmdec, GstBuffer * buf, int samples)
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take_buf_ts = TRUE;
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}
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} else if (!GST_CLOCK_TIME_IS_VALID (dvdlpcmdec->timestamp)) {
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dvdlpcmdec->timestamp = dvdlpcmdec->segment_start;
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dvdlpcmdec->timestamp = 0;
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}
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if (take_buf_ts) {
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@ -318,11 +317,21 @@ parse_header (GstDvdLpcmDec * dec, guint32 header)
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break;
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}
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/* Only two sample rates supported */
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if (header & 0x1000)
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dec->rate = 96000;
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else
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/* Only four sample rates supported */
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switch (header & 0x3000) {
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case 0x0000:
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dec->rate = 48000;
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break;
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case 0x1000:
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dec->rate = 96000;
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break;
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case 0x2000:
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dec->rate = 44100;
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break;
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case 0x3000:
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dec->rate = 32000;
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break;
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}
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/* And, of course, the number of channels (up to 8) */
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dec->channels = ((header >> 8) & 0x7) + 1;
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@ -426,7 +435,7 @@ gst_dvdlpcmdec_chain_dvd (GstPad * pad, GstBuffer * buf)
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GST_WARNING_OBJECT (pad, "Bad first_access parameter in buffer");
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GST_ELEMENT_ERROR (dvdlpcmdec, STREAM, DECODE,
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(NULL),
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("first_access parameter out of range: bad buffer from " "demuxer"));
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("first_access parameter out of range: bad buffer from demuxer"));
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ret = GST_FLOW_ERROR;
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goto done;
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}
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@ -496,8 +505,7 @@ done:
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negotiation_failed:
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{
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GST_DEBUG_OBJECT (dvdlpcmdec, "Failed to set caps!");
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GST_DEBUG_OBJECT (dvdlpcmdec, "Couldn't negotiate caps on src pad");
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ret = GST_FLOW_ERROR;
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ret = GST_FLOW_NOT_NEGOTIATED;
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goto done;
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}
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}
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@ -506,7 +514,7 @@ static GstFlowReturn
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gst_dvdlpcmdec_chain_raw (GstPad * pad, GstBuffer * buf)
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{
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GstDvdLpcmDec *dvdlpcmdec;
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guchar *data;
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guint8 *data;
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guint size;
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GstFlowReturn ret;
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guint samples = 0;
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@ -523,6 +531,9 @@ gst_dvdlpcmdec_chain_raw (GstPad * pad, GstBuffer * buf)
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if (dvdlpcmdec->rate == 0)
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goto not_negotiated;
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if (GST_BUFFER_TIMESTAMP_IS_VALID (buf))
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dvdlpcmdec->timestamp = GST_BUFFER_TIMESTAMP (buf);
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/* We don't currently do anything at all regarding emphasis, mute or
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* dynamic_range - I'm not sure what they're for */
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switch (dvdlpcmdec->width) {
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@ -540,8 +551,8 @@ gst_dvdlpcmdec_chain_raw (GstPad * pad, GstBuffer * buf)
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gint64 samples = size * 8 / 20;
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gint64 count = size / 10;
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gint64 i;
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guchar *src;
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guchar *dest;
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guint8 *src;
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guint8 *dest;
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GstBuffer *outbuf;
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GstCaps *bufcaps = GST_PAD_CAPS (dvdlpcmdec->srcpad);
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@ -598,19 +609,19 @@ gst_dvdlpcmdec_chain_raw (GstPad * pad, GstBuffer * buf)
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src = GST_BUFFER_DATA (buf);
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for (i = 0; i < count; i++) {
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guchar temp[9];
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guint8 tmp;
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temp[0] = src[8];
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temp[1] = src[2];
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temp[2] = src[3];
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temp[3] = src[9];
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temp[4] = src[4];
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temp[5] = src[5];
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temp[6] = src[10];
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temp[7] = src[6];
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temp[8] = src[7];
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tmp = src[10];
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src[10] = src[7];
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src[7] = src[5];
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src[5] = src[9];
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src[9] = src[6];
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src[6] = src[4];
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src[4] = src[3];
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src[3] = src[2];
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src[2] = src[8];
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src[8] = tmp;
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memcpy (src + 2, temp, 9);
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src += 12;
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}
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break;
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@ -659,7 +670,10 @@ invalid_width:
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static gboolean
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dvdlpcmdec_sink_event (GstPad * pad, GstEvent * event)
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{
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GstDvdLpcmDec *dvdlpcmdec = GST_DVDLPCMDEC (GST_PAD_PARENT (pad));
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GstDvdLpcmDec *dvdlpcmdec;
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gboolean res;
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dvdlpcmdec = GST_DVDLPCMDEC (GST_PAD_PARENT (pad));
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_NEWSEGMENT:
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@ -667,32 +681,37 @@ dvdlpcmdec_sink_event (GstPad * pad, GstEvent * event)
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gdouble rate, arate;
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GstFormat format;
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gboolean update;
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gint64 start, end, base;
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gint64 start, stop, pos;
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gst_event_parse_new_segment_full (event, &update, &rate, &arate,
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&format, &start, &end, &base);
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&format, &start, &stop, &pos);
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GST_DEBUG_OBJECT (dvdlpcmdec,
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"new segment, format=%d, start = %" G_GINT64_FORMAT
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", end = %" G_GINT64_FORMAT ", position %" G_GINT64_FORMAT,
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format, start, end, base);
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", stop = %" G_GINT64_FORMAT ", position %" G_GINT64_FORMAT,
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format, start, stop, pos);
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gst_segment_set_newsegment_full (&dvdlpcmdec->segment, update,
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rate, arate, format, start, stop, pos);
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if (format == GST_FORMAT_TIME) {
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dvdlpcmdec->timestamp = GST_CLOCK_TIME_NONE;
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if (format == GST_FORMAT_TIME)
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dvdlpcmdec->segment_start = start;
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else
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dvdlpcmdec->segment_start = 0;
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GST_DEBUG_OBJECT (dvdlpcmdec,
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"Have new segment. Resetting timestamp. segment_start = % "
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G_GINT64_FORMAT, dvdlpcmdec->segment_start);
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} else {
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dvdlpcmdec->timestamp = 0;
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}
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res = gst_pad_push_event (dvdlpcmdec->srcpad, event);
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break;
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}
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case GST_EVENT_FLUSH_STOP:
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gst_segment_init (&dvdlpcmdec->segment, GST_FORMAT_UNDEFINED);
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res = gst_pad_push_event (dvdlpcmdec->srcpad, event);
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break;
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default:
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res = gst_pad_push_event (dvdlpcmdec->srcpad, event);
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break;
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}
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return gst_pad_event_default (pad, event);
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return res;
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}
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static GstStateChangeReturn
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@ -55,7 +55,7 @@ struct _GstDvdLpcmDec {
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gint mute;
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GstClockTime timestamp;
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GstClockTime segment_start;
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GstSegment segment;
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};
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struct _GstDvdLpcmDecClass {
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