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gst/law/: Make negotiation a bit modern.
Original commit message from CVS: Based on patch by: mersad <mersad at axis dot com> * gst/law/alaw-decode.c: (gst_alaw_dec_sink_setcaps), (gst_alaw_dec_chain), (gst_alaw_dec_change_state): * gst/law/alaw-decode.h: * gst/law/alaw-encode.c: (gst_alaw_enc_chain): * gst/law/mulaw-decode.c: (mulawdec_sink_setcaps), (gst_mulawdec_chain), (gst_mulawdec_change_state): * gst/law/mulaw-decode.h: * gst/law/mulaw-encode.c: (gst_mulawenc_chain): Make negotiation a bit modern. Use pad_alloc. Fixes #525359.
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7 changed files with 108 additions and 39 deletions
15
ChangeLog
15
ChangeLog
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@ -1,3 +1,18 @@
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2008-04-01 Wim Taymans <wim.taymans@collabora.co.uk>
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Based on patch by: mersad <mersad at axis dot com>
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* gst/law/alaw-decode.c: (gst_alaw_dec_sink_setcaps),
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(gst_alaw_dec_chain), (gst_alaw_dec_change_state):
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* gst/law/alaw-decode.h:
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* gst/law/alaw-encode.c: (gst_alaw_enc_chain):
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* gst/law/mulaw-decode.c: (mulawdec_sink_setcaps),
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(gst_mulawdec_chain), (gst_mulawdec_change_state):
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* gst/law/mulaw-decode.h:
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* gst/law/mulaw-encode.c: (gst_mulawenc_chain):
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Make negotiation a bit modern.
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Use pad_alloc. Fixes #525359.
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2008-03-31 David Schleef <ds@schleef.org>
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* gst/goom/xmmx.c: Fix constraints on asm code so that it
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@ -111,27 +111,33 @@ gst_alaw_dec_sink_setcaps (GstPad * pad, GstCaps * caps)
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GstStructure *structure;
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int rate, channels;
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gboolean ret;
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GstCaps *outcaps;
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alawdec = GST_ALAW_DEC (GST_PAD_PARENT (pad));
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structure = gst_caps_get_structure (caps, 0);
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ret = gst_structure_get_int (structure, "rate", &rate);
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ret = ret && gst_structure_get_int (structure, "channels", &channels);
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ret &= gst_structure_get_int (structure, "channels", &channels);
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if (!ret)
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return FALSE;
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if (alawdec->srccaps)
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gst_caps_unref (alawdec->srccaps);
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alawdec->srccaps = gst_caps_new_simple ("audio/x-raw-int",
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outcaps = gst_caps_new_simple ("audio/x-raw-int",
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, channels, NULL);
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GST_DEBUG_OBJECT (alawdec, "rate=%d, channels=%d", rate, channels);
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ret = gst_pad_set_caps (alawdec->srcpad, outcaps);
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gst_caps_unref (outcaps);
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return TRUE;
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if (ret) {
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GST_DEBUG_OBJECT (alawdec, "rate=%d, channels=%d", rate, channels);
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alawdec->rate = rate;
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alawdec->channels = channels;
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}
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return ret;
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}
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static void
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@ -185,7 +191,7 @@ gst_alaw_dec_chain (GstPad * pad, GstBuffer * buffer)
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alawdec = GST_ALAW_DEC (GST_PAD_PARENT (pad));
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if (G_UNLIKELY (alawdec->srccaps == NULL))
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if (G_UNLIKELY (alawdec->rate == 0))
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goto not_negotiated;
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GST_LOG_OBJECT (alawdec, "buffer with ts=%" GST_TIME_FORMAT,
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@ -194,7 +200,13 @@ gst_alaw_dec_chain (GstPad * pad, GstBuffer * buffer)
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alaw_data = GST_BUFFER_DATA (buffer);
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alaw_size = GST_BUFFER_SIZE (buffer);
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outbuf = gst_buffer_new_and_alloc (alaw_size * 2);
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ret =
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gst_pad_alloc_buffer_and_set_caps (alawdec->srcpad,
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GST_BUFFER_OFFSET_NONE, alaw_size * 2, GST_PAD_CAPS (alawdec->srcpad),
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&outbuf);
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if (ret != GST_FLOW_OK)
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goto alloc_failed;
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linear_data = (gint16 *) GST_BUFFER_DATA (outbuf);
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/* copy discont flag */
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@ -203,24 +215,29 @@ gst_alaw_dec_chain (GstPad * pad, GstBuffer * buffer)
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GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buffer);
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GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buffer);
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gst_buffer_set_caps (outbuf, alawdec->srccaps);
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gst_buffer_set_caps (outbuf, GST_PAD_CAPS (alawdec->srcpad));
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for (i = 0; i < alaw_size; i++) {
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linear_data[i] = alaw_to_s16 (alaw_data[i]);
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}
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gst_buffer_unref (buffer);
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ret = gst_pad_push (alawdec->srcpad, outbuf);
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done:
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gst_buffer_unref (buffer);
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return ret;
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not_negotiated:
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{
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gst_buffer_unref (buffer);
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GST_ERROR_OBJECT (alawdec, "no format negotiated");
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ret = GST_FLOW_NOT_NEGOTIATED;
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goto done;
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return ret;
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}
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alloc_failed:
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{
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gst_buffer_unref (buffer);
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GST_ERROR_OBJECT (alawdec, "pad alloc failed");
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return ret;
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}
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}
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@ -241,10 +258,8 @@ gst_alaw_dec_change_state (GstElement * element, GstStateChange transition)
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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if (dec->srccaps) {
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gst_caps_unref (dec->srccaps);
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dec->srccaps = NULL;
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}
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dec->rate = 0;
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dec->channels = 0;
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break;
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default:
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break;
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@ -42,7 +42,8 @@ struct _GstALawDec {
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GstElement element;
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GstPad *sinkpad,*srcpad;
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GstCaps *srccaps;
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gint rate;
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gint channels;
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};
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struct _GstALawDecClass {
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@ -462,7 +462,13 @@ gst_alaw_enc_chain (GstPad * pad, GstBuffer * buffer)
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GST_SECOND, alawenc->rate * alawenc->channels);
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}
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outbuf = gst_buffer_new_and_alloc (alaw_size);
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ret =
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gst_pad_alloc_buffer_and_set_caps (alawenc->srcpad,
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GST_BUFFER_OFFSET_NONE, alaw_size, GST_PAD_CAPS (alawenc->srcpad),
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&outbuf);
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if (ret != GST_FLOW_OK)
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goto done;
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alaw_data = (guint8 *) GST_BUFFER_DATA (outbuf);
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/* copy discont flag */
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@ -55,6 +55,7 @@ mulawdec_sink_setcaps (GstPad * pad, GstCaps * caps)
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GstStructure *structure;
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int rate, channels;
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gboolean ret;
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GstCaps *outcaps;
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mulawdec = GST_MULAWDEC (GST_PAD_PARENT (pad));
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@ -64,19 +65,21 @@ mulawdec_sink_setcaps (GstPad * pad, GstCaps * caps)
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if (!ret)
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return FALSE;
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if (mulawdec->srccaps)
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gst_caps_unref (mulawdec->srccaps);
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mulawdec->srccaps = gst_caps_new_simple ("audio/x-raw-int",
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outcaps = gst_caps_new_simple ("audio/x-raw-int",
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, channels, NULL);
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ret = gst_pad_set_caps (mulawdec->srcpad, outcaps);
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gst_caps_unref (outcaps);
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if (ret) {
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GST_DEBUG_OBJECT (mulawdec, "rate=%d, channels=%d", rate, channels);
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mulawdec->rate = rate;
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mulawdec->channels = channels;
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return TRUE;
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}
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return ret;
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}
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GType
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@ -155,15 +158,19 @@ gst_mulawdec_chain (GstPad * pad, GstBuffer * buffer)
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mulawdec = GST_MULAWDEC (GST_PAD_PARENT (pad));
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if (G_UNLIKELY (mulawdec->srccaps == NULL)) {
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gst_buffer_unref (buffer);
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return GST_FLOW_NOT_NEGOTIATED;
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}
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if (G_UNLIKELY (mulawdec->rate == 0))
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goto not_negotiated;
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mulaw_data = (guint8 *) GST_BUFFER_DATA (buffer);
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mulaw_size = GST_BUFFER_SIZE (buffer);
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outbuf = gst_buffer_new_and_alloc (mulaw_size * 2);
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ret =
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gst_pad_alloc_buffer_and_set_caps (mulawdec->srcpad,
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GST_BUFFER_OFFSET_NONE, mulaw_size * 2, GST_PAD_CAPS (mulawdec->srcpad),
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&outbuf);
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if (ret != GST_FLOW_OK)
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goto alloc_failed;
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linear_data = (gint16 *) GST_BUFFER_DATA (outbuf);
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/* copy discont flag */
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mulaw_size * 2, 2 * mulawdec->rate * mulawdec->channels);
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else
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GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buffer);
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gst_buffer_set_caps (outbuf, mulawdec->srccaps);
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gst_buffer_set_caps (outbuf, GST_PAD_CAPS (mulawdec->srcpad));
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mulaw_decode (mulaw_data, linear_data, mulaw_size);
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ret = gst_pad_push (mulawdec->srcpad, outbuf);
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return ret;
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/* ERRORS */
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not_negotiated:
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{
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GST_ERROR_OBJECT (mulawdec, "no format negotiated");
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gst_buffer_unref (buffer);
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return GST_FLOW_NOT_NEGOTIATED;
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}
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alloc_failed:
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{
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GST_ERROR_OBJECT (mulawdec, "pad alloc failed");
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gst_buffer_unref (buffer);
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return ret;
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}
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}
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static GstStateChangeReturn
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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if (dec->srccaps) {
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gst_caps_unref (dec->srccaps);
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dec->srccaps = NULL;
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}
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dec->rate = 0;
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dec->channels = 0;
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break;
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default:
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break;
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@ -42,7 +42,6 @@ struct _GstMuLawDec {
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GstElement element;
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GstPad *sinkpad,*srcpad;
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GstCaps *srccaps;
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gint rate;
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gint channels;
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@ -230,7 +230,13 @@ gst_mulawenc_chain (GstPad * pad, GstBuffer * buffer)
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GST_SECOND, mulawenc->rate * mulawenc->channels);
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}
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outbuf = gst_buffer_new_and_alloc (mulaw_size);
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ret =
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gst_pad_alloc_buffer_and_set_caps (mulawenc->srcpad,
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GST_BUFFER_OFFSET_NONE, mulaw_size, GST_PAD_CAPS (mulawenc->srcpad),
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&outbuf);
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if (ret != GST_FLOW_OK)
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goto alloc_failed;
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mulaw_data = (guint8 *) GST_BUFFER_DATA (outbuf);
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/* copy discont flag */
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not_negotiated:
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{
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GST_DEBUG_OBJECT (mulawenc, "no format negotiated");
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ret = GST_FLOW_NOT_NEGOTIATED;
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gst_buffer_unref (buffer);
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goto done;
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}
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alloc_failed:
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{
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GST_DEBUG_OBJECT (mulawenc, "pad alloc failed");
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gst_buffer_unref (buffer);
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goto done;
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}
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}
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