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Apply patch from Jeffrey C. Ollie. Fixes rate (now always 8kHz) and adds timestamps
Original commit message from CVS: Apply patch from Jeffrey C. Ollie. Fixes rate (now always 8kHz) and adds timestamps
This commit is contained in:
parent
5c88ccad34
commit
9d608aed4d
5 changed files with 172 additions and 213 deletions
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2005-01-24 Jeffrey C. Ollie
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reviewed by: Maciej Katafiasz <mathrick@freedesktop.org>
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* ext/gsm/gstgsmdec.c: (gst_gsmdec_init), (gst_gsmdec_chain):
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* ext/gsm/gstgsmdec.h:
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* ext/gsm/gstgsmenc.c: (gst_gsmenc_init), (gst_gsmenc_chain):
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* ext/gsm/gstgsmenc.h:
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Fix rate to 8kHz as per spec, removes obscure errors when no rate
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was given by property. Add proper buffer timestamps and offsets.
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2005-01-24 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* gst-libs/gst/riff/riff-media.c:
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@ -51,8 +51,6 @@ static void gst_gsmdec_class_init (GstGSMDec * klass);
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static void gst_gsmdec_init (GstGSMDec * gsmdec);
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static void gst_gsmdec_chain (GstPad * pad, GstData * _data);
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static GstCaps *gst_gsmdec_getcaps (GstPad * pad);
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static GstPadLinkReturn gst_gsmdec_link (GstPad * pad, const GstCaps * caps);
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static GstElementClass *parent_class = NULL;
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@ -86,8 +84,7 @@ static GstStaticPadTemplate gsmdec_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-gsm, "
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"rate = (int) [ 1000, 48000 ], " "channels = (int) 1")
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GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) 8000, " "channels = (int) 1")
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);
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static GstStaticPadTemplate gsmdec_src_template =
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@ -98,8 +95,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
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"endianness = (int) BYTE_ORDER, "
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"signed = (boolean) true, "
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"width = (int) 16, "
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"depth = (int) 16, "
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"rate = (int) [ 1000, 48000 ], " "channels = (int) 1")
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"depth = (int) 16, " "rate = (int) 8000, " "channels = (int) 1")
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);
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static void
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@ -134,132 +130,102 @@ gst_gsmdec_init (GstGSMDec * gsmdec)
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gsmdec_sink_template), "sink");
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gst_pad_set_chain_function (gsmdec->sinkpad, gst_gsmdec_chain);
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gst_pad_set_getcaps_function (gsmdec->sinkpad, gst_gsmdec_getcaps);
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gst_pad_set_link_function (gsmdec->sinkpad, gst_gsmdec_link);
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gst_element_add_pad (GST_ELEMENT (gsmdec), gsmdec->sinkpad);
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gsmdec->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gsmdec_src_template), "src");
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gst_pad_set_getcaps_function (gsmdec->srcpad, gst_gsmdec_getcaps);
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gst_pad_set_link_function (gsmdec->srcpad, gst_gsmdec_link);
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gst_element_add_pad (GST_ELEMENT (gsmdec), gsmdec->srcpad);
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gsmdec->state = gsm_create ();
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gsmdec->bufsize = 0;
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}
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static GstCaps *
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gst_gsmdec_getcaps (GstPad * pad)
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{
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GstGSMDec *gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
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const GValue *rate_value;
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GstPad *otherpad;
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GstCaps *othercaps, *basecaps;
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if (pad == gsmdec->srcpad) {
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otherpad = gsmdec->sinkpad;
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basecaps = gst_caps_new_simple ("audio/x-raw-int",
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"width", G_TYPE_INT, 16, "depth", G_TYPE_INT, 16, NULL);
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} else {
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otherpad = gsmdec->srcpad;
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basecaps = gst_caps_new_simple ("audio/x-gsm", NULL);
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}
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othercaps = gst_pad_get_allowed_caps (otherpad);
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rate_value = gst_structure_get_value (gst_caps_get_structure (othercaps,
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0), "rate");
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gst_structure_set_value (gst_caps_get_structure (basecaps, 0), "rate",
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rate_value);
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gst_caps_set_simple (basecaps, "channels", G_TYPE_INT, 1, NULL);
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return basecaps;
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}
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static GstPadLinkReturn
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gst_gsmdec_link (GstPad * pad, const GstCaps * caps)
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{
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GstGSMDec *gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
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GstPad *otherpad;
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GstCaps *othercaps;
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gint rate;
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GstStructure *structure;
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_int (structure, "rate", &rate);
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if (pad == gsmdec->sinkpad) {
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otherpad = gsmdec->srcpad;
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othercaps = gst_caps_new_simple ("audio/x-raw-int",
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"width", G_TYPE_INT, 16, "depth", G_TYPE_INT, 16, NULL);
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} else {
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otherpad = gsmdec->sinkpad;
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othercaps = gst_caps_new_simple ("audio/x-gsm", NULL);
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}
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gst_caps_set_simple (othercaps,
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"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, 1, NULL);
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return gst_pad_try_set_caps (otherpad, othercaps);
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gsmdec->next_ts = 0;
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gsmdec->next_of = 0;
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}
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static void
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gst_gsmdec_chain (GstPad * pad, GstData * _data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstGSMDec *gsmdec;
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gsm_byte *data;
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guint size;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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/*g_return_if_fail(GST_IS_BUFFER(buf)); */
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g_return_if_fail (_data != NULL);
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gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
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data = (gsm_byte *) GST_BUFFER_DATA (buf);
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size = GST_BUFFER_SIZE (buf);
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if (GST_IS_EVENT (_data)) {
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GstEvent *event = GST_EVENT (_data);
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if (gsmdec->bufsize && (gsmdec->bufsize + size >= 33)) {
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GstBuffer *outbuf;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:{
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gst_element_set_eos (GST_ELEMENT (gsmdec));
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gst_pad_push (gsmdec->srcpad, _data);
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break;
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}
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case GST_EVENT_DISCONTINUOUS:{
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/* drop the discontinuity */
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break;
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}
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default:{
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gst_pad_event_default (pad, event);
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break;
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}
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}
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return;
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} else if (GST_IS_BUFFER (_data)) {
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GstBuffer *buf = GST_BUFFER (_data);
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gsm_byte *data = (gsm_byte *) GST_BUFFER_DATA (buf);
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guint size = GST_BUFFER_SIZE (buf);
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memcpy (gsmdec->buffer + gsmdec->bufsize, data,
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(33 - gsmdec->bufsize) * sizeof (gsm_byte));
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if (gsmdec->bufsize && (gsmdec->bufsize + size >= 33)) {
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GstBuffer *outbuf;
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outbuf = gst_buffer_new ();
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GST_BUFFER_DATA (outbuf) = g_malloc (160 * sizeof (gsm_signal));
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GST_BUFFER_SIZE (outbuf) = 160 * sizeof (gsm_signal);
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memcpy (gsmdec->buffer + gsmdec->bufsize, data,
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(33 - gsmdec->bufsize) * sizeof (gsm_byte));
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gsm_decode (gsmdec->state, gsmdec->buffer,
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(gsm_signal *) GST_BUFFER_DATA (outbuf));
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outbuf = gst_buffer_new_and_alloc (160 * sizeof (gsm_signal));
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GST_BUFFER_TIMESTAMP (outbuf) = gsmdec->next_ts;
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GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
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GST_BUFFER_OFFSET (outbuf) = gsmdec->next_of;
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GST_BUFFER_OFFSET_END (outbuf) = gsmdec->next_of + 160 - 1;
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gsmdec->next_ts += 20 * GST_MSECOND;
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gsmdec->next_of += 160;
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gst_pad_push (gsmdec->srcpad, GST_DATA (outbuf));
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gsm_decode (gsmdec->state, gsmdec->buffer,
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(gsm_signal *) GST_BUFFER_DATA (outbuf));
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size -= (33 - gsmdec->bufsize);
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data += (33 - gsmdec->bufsize);
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gsmdec->bufsize = 0;
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gst_pad_push (gsmdec->srcpad, GST_DATA (outbuf));
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size -= (33 - gsmdec->bufsize);
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data += (33 - gsmdec->bufsize);
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gsmdec->bufsize = 0;
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}
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while (size >= 33) {
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GstBuffer *outbuf;
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outbuf = gst_buffer_new_and_alloc (160 * sizeof (gsm_signal));
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GST_BUFFER_TIMESTAMP (outbuf) = gsmdec->next_ts;
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GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
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GST_BUFFER_OFFSET (outbuf) = gsmdec->next_of;
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GST_BUFFER_OFFSET_END (outbuf) = gsmdec->next_of + 160 - 1;
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gsmdec->next_ts += 20 * GST_MSECOND;
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gsmdec->next_of += 160;
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gsm_decode (gsmdec->state, data, (gsm_signal *) GST_BUFFER_DATA (outbuf));
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gst_pad_push (gsmdec->srcpad, GST_DATA (outbuf));
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size -= 33;
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data += 33;
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}
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if (size) {
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memcpy (gsmdec->buffer + gsmdec->bufsize, data, size * sizeof (gsm_byte));
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gsmdec->bufsize += size;
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}
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gst_buffer_unref (buf);
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return;
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}
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while (size >= 33) {
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GstBuffer *outbuf;
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outbuf = gst_buffer_new_and_alloc (160 * sizeof (gsm_signal));
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gsm_decode (gsmdec->state, data, (gsm_signal *) GST_BUFFER_DATA (outbuf));
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gst_pad_push (gsmdec->srcpad, GST_DATA (outbuf));
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size -= 33;
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data += 33;
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}
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if (size) {
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memcpy (gsmdec->buffer + gsmdec->bufsize, data, size * sizeof (gsm_byte));
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gsmdec->bufsize += size;
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}
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gst_buffer_unref (buf);
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}
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@ -17,11 +17,9 @@
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GSMDEC_H__
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#define __GST_GSMDEC_H__
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#include <gst/gst.h>
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#ifdef GSM_HEADER_IN_SUBDIR
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@ -30,10 +28,7 @@
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#include <gsm.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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G_BEGIN_DECLS
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#define GST_TYPE_GSMDEC \
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(gst_gsmdec_get_type())
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@ -49,27 +44,27 @@ extern "C" {
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typedef struct _GstGSMDec GstGSMDec;
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typedef struct _GstGSMDecClass GstGSMDecClass;
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struct _GstGSMDec {
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struct _GstGSMDec
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{
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GstElement element;
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/* pads */
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GstPad *sinkpad,*srcpad;
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GstPad *sinkpad, *srcpad;
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gsm state;
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gsm_byte buffer[33];
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gint bufsize;
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GstClockTime next_ts;
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gint64 next_of;
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};
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struct _GstGSMDecClass {
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struct _GstGSMDecClass
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{
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GstElementClass parent_class;
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};
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GType gst_gsmdec_get_type(void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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GType gst_gsmdec_get_type (void);
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G_END_DECLS
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#endif /* __GST_GSMDEC_H__ */
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@ -52,8 +52,6 @@ static void gst_gsmenc_class_init (GstGSMEnc * klass);
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static void gst_gsmenc_init (GstGSMEnc * gsmenc);
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static void gst_gsmenc_chain (GstPad * pad, GstData * _data);
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static GstPadLinkReturn gst_gsmenc_sinkconnect (GstPad * pad,
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const GstCaps * caps);
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static GstElementClass *parent_class = NULL;
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static guint gst_gsmenc_signals[LAST_SIGNAL] = { 0 };
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@ -86,8 +84,7 @@ static GstStaticPadTemplate gsmenc_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-gsm, "
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"rate = (int) [ 1000, 48000 ], " "channels = (int) 1")
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GST_STATIC_CAPS ("audio/x-gsm, " "rate = (int) 8000, " "channels = (int) 1")
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);
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static GstStaticPadTemplate gsmenc_sink_template =
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@ -98,8 +95,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
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"endianness = (int) BYTE_ORDER, "
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"signed = (boolean) true, "
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"width = (int) 16, "
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"depth = (int) 16, "
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"rate = (int) [ 1000, 48000 ], " "channels = (int) 1")
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"depth = (int) 16, " "rate = (int) 8000, " "channels = (int) 1")
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);
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static void
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@ -141,7 +137,6 @@ gst_gsmenc_init (GstGSMEnc * gsmenc)
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(&gsmenc_sink_template), "sink");
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gst_element_add_pad (GST_ELEMENT (gsmenc), gsmenc->sinkpad);
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gst_pad_set_chain_function (gsmenc->sinkpad, gst_gsmenc_chain);
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gst_pad_set_link_function (gsmenc->sinkpad, gst_gsmenc_sinkconnect);
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gsmenc->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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@ -151,89 +146,90 @@ gst_gsmenc_init (GstGSMEnc * gsmenc)
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gsmenc->state = gsm_create ();
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gsmenc->bufsize = 0;
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gsmenc->next_ts = 0;
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gsmenc->rate = 8000;
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}
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static GstPadLinkReturn
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gst_gsmenc_sinkconnect (GstPad * pad, const GstCaps * caps)
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{
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GstGSMEnc *gsmenc;
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GstStructure *structure;
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gsmenc = GST_GSMENC (gst_pad_get_parent (pad));
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_int (structure, "rate", &gsmenc->rate);
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if (gst_pad_try_set_caps (gsmenc->srcpad,
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gst_caps_new_simple ("audio/x-gsm",
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"rate", G_TYPE_INT, gsmenc->rate,
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"channels", G_TYPE_INT, 1, NULL)) > 0) {
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return GST_PAD_LINK_OK;
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}
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return GST_PAD_LINK_REFUSED;
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}
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static void
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gst_gsmenc_chain (GstPad * pad, GstData * _data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstGSMEnc *gsmenc;
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gsm_signal *data;
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guint size;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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g_return_if_fail (_data != NULL);
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gsmenc = GST_GSMENC (GST_OBJECT_PARENT (pad));
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data = (gsm_signal *) GST_BUFFER_DATA (buf);
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size = GST_BUFFER_SIZE (buf) / sizeof (gsm_signal);
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if (GST_IS_EVENT (_data)) {
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GstEvent *event = GST_EVENT (_data);
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if (gsmenc->bufsize && (gsmenc->bufsize + size >= 160)) {
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GstBuffer *outbuf;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:{
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gst_element_set_eos (GST_ELEMENT (gsmenc));
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gst_pad_push (gsmenc->srcpad, _data);
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break;
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}
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case GST_EVENT_DISCONTINUOUS:{
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/* drop the discontinuity */
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break;
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}
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default:{
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gst_pad_event_default (pad, event);
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break;
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}
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}
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return;
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} else if (GST_IS_BUFFER (_data)) {
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GstBuffer *buf = GST_BUFFER (_data);
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gsm_signal *data;
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guint size;
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memcpy (gsmenc->buffer + gsmenc->bufsize, data,
|
||||
(160 - gsmenc->bufsize) * sizeof (gsm_signal));
|
||||
data = (gsm_signal *) GST_BUFFER_DATA (buf);
|
||||
size = GST_BUFFER_SIZE (buf) / sizeof (gsm_signal);
|
||||
|
||||
outbuf = gst_buffer_new ();
|
||||
GST_BUFFER_DATA (outbuf) = g_malloc (33 * sizeof (gsm_byte));
|
||||
GST_BUFFER_SIZE (outbuf) = 33 * sizeof (gsm_byte);
|
||||
if (gsmenc->bufsize && (gsmenc->bufsize + size >= 160)) {
|
||||
GstBuffer *outbuf;
|
||||
|
||||
gsm_encode (gsmenc->state, gsmenc->buffer,
|
||||
(gsm_byte *) GST_BUFFER_DATA (outbuf));
|
||||
memcpy (gsmenc->buffer + gsmenc->bufsize, data,
|
||||
(160 - gsmenc->bufsize) * sizeof (gsm_signal));
|
||||
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
|
||||
gst_pad_push (gsmenc->srcpad, GST_DATA (outbuf));
|
||||
gsmenc->next_ts += (160.0 / gsmenc->rate) * 1000000;
|
||||
outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
|
||||
GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
|
||||
gsmenc->next_ts += 20 * GST_MSECOND;
|
||||
|
||||
size -= (160 - gsmenc->bufsize);
|
||||
data += (160 - gsmenc->bufsize);
|
||||
gsmenc->bufsize = 0;
|
||||
gsm_encode (gsmenc->state, gsmenc->buffer,
|
||||
(gsm_byte *) GST_BUFFER_DATA (outbuf));
|
||||
|
||||
gst_pad_push (gsmenc->srcpad, GST_DATA (outbuf));
|
||||
|
||||
size -= (160 - gsmenc->bufsize);
|
||||
data += (160 - gsmenc->bufsize);
|
||||
gsmenc->bufsize = 0;
|
||||
}
|
||||
|
||||
while (size >= 160) {
|
||||
GstBuffer *outbuf;
|
||||
|
||||
outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
|
||||
GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
|
||||
gsmenc->next_ts += 20 * GST_MSECOND;
|
||||
|
||||
gsm_encode (gsmenc->state, data, (gsm_byte *) GST_BUFFER_DATA (outbuf));
|
||||
|
||||
gst_pad_push (gsmenc->srcpad, GST_DATA (outbuf));
|
||||
|
||||
size -= 160;
|
||||
data += 160;
|
||||
}
|
||||
|
||||
if (size) {
|
||||
memcpy (gsmenc->buffer + gsmenc->bufsize, data,
|
||||
size * sizeof (gsm_signal));
|
||||
gsmenc->bufsize += size;
|
||||
}
|
||||
|
||||
gst_buffer_unref (buf);
|
||||
return;
|
||||
}
|
||||
|
||||
while (size >= 160) {
|
||||
GstBuffer *outbuf;
|
||||
|
||||
outbuf = gst_buffer_new ();
|
||||
GST_BUFFER_DATA (outbuf) = g_malloc (33 * sizeof (gsm_byte));
|
||||
GST_BUFFER_SIZE (outbuf) = 33 * sizeof (gsm_byte);
|
||||
|
||||
gsm_encode (gsmenc->state, data, (gsm_byte *) GST_BUFFER_DATA (outbuf));
|
||||
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
|
||||
gst_pad_push (gsmenc->srcpad, GST_DATA (outbuf));
|
||||
gsmenc->next_ts += (160 / gsmenc->rate) * GST_SECOND;
|
||||
|
||||
size -= 160;
|
||||
data += 160;
|
||||
}
|
||||
|
||||
if (size) {
|
||||
memcpy (gsmenc->buffer + gsmenc->bufsize, data, size * sizeof (gsm_signal));
|
||||
gsmenc->bufsize += size;
|
||||
}
|
||||
|
||||
gst_buffer_unref (buf);
|
||||
}
|
||||
|
|
|
@ -17,11 +17,9 @@
|
|||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef __GST_GSMENC_H__
|
||||
#define __GST_GSMENC_H__
|
||||
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
#ifdef GSM_HEADER_IN_SUBDIR
|
||||
|
@ -30,10 +28,7 @@
|
|||
#include <gsm.h>
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_GSMENC \
|
||||
(gst_gsmenc_get_type())
|
||||
|
@ -49,33 +44,29 @@ extern "C" {
|
|||
typedef struct _GstGSMEnc GstGSMEnc;
|
||||
typedef struct _GstGSMEncClass GstGSMEncClass;
|
||||
|
||||
struct _GstGSMEnc {
|
||||
struct _GstGSMEnc
|
||||
{
|
||||
GstElement element;
|
||||
|
||||
/* pads */
|
||||
GstPad *sinkpad,*srcpad;
|
||||
GstPad *sinkpad, *srcpad;
|
||||
|
||||
gsm state;
|
||||
gsm_signal buffer[160];
|
||||
gint bufsize;
|
||||
|
||||
guint64 next_ts;
|
||||
gint rate;
|
||||
GstClockTime next_ts;
|
||||
};
|
||||
|
||||
struct _GstGSMEncClass {
|
||||
struct _GstGSMEncClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
|
||||
/* signals */
|
||||
void (*frame_encoded) (GstElement *element);
|
||||
void (*frame_encoded) (GstElement * element);
|
||||
};
|
||||
|
||||
GType gst_gsmenc_get_type(void);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
GType gst_gsmenc_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_GSMENC_H__ */
|
||||
|
|
Loading…
Reference in a new issue