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gst/rtp/: Added RFC 2250 MPEG Video Depayloader.
Original commit message from CVS: * gst/rtp/Makefile.am: * gst/rtp/gstrtp.c: (plugin_init): * gst/rtp/gstrtpmpvdepay.c: (gst_rtp_mpv_depay_base_init), (gst_rtp_mpv_depay_class_init), (gst_rtp_mpv_depay_init), (gst_rtp_mpv_depay_setcaps), (gst_rtp_mpv_depay_process), (gst_rtp_mpv_depay_set_property), (gst_rtp_mpv_depay_get_property), (gst_rtp_mpv_depay_change_state), (gst_rtp_mpv_depay_plugin_init): * gst/rtp/gstrtpmpvdepay.h: Added RFC 2250 MPEG Video Depayloader. * gst/rtp/gstrtpL16depay.h: * gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_setcaps), (gst_rtp_h263p_depay_process): Fix Header file. Small cleanups. * gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_class_init), (gst_rtp_mp4g_depay_init), (gst_rtp_mp4g_depay_finalize), (gst_rtp_mp4g_depay_process), (gst_rtp_mp4g_depay_change_state): * gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_class_init), (gst_rtp_mp4v_depay_init), (gst_rtp_mp4v_depay_finalize), (gst_rtp_mp4v_depay_setcaps), (gst_rtp_mp4v_depay_process), (gst_rtp_mp4v_depay_change_state): Remove usused code. Remove Adapter from state Change. Added debug. * gst/rtp/gstrtpmpadepay.c: (gst_rtp_mpa_depay_base_init), (gst_rtp_mpa_depay_class_init), (gst_rtp_mpa_depay_init), (gst_rtp_mpa_depay_setcaps), (gst_rtp_mpa_depay_process): * gst/rtp/gstrtpmpadepay.h: Subclass base depayloader. Added debug. Support static payload type assignment as well. * gst/rtp/gstrtpmpapay.c: Fix caps.
This commit is contained in:
parent
fd18506657
commit
42b8b3a37f
12 changed files with 529 additions and 155 deletions
37
ChangeLog
37
ChangeLog
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@ -1,3 +1,40 @@
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2007-01-09 Wim Taymans <wim@fluendo.com>
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* gst/rtp/Makefile.am:
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* gst/rtp/gstrtp.c: (plugin_init):
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* gst/rtp/gstrtpmpvdepay.c: (gst_rtp_mpv_depay_base_init),
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(gst_rtp_mpv_depay_class_init), (gst_rtp_mpv_depay_init),
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(gst_rtp_mpv_depay_setcaps), (gst_rtp_mpv_depay_process),
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(gst_rtp_mpv_depay_set_property), (gst_rtp_mpv_depay_get_property),
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(gst_rtp_mpv_depay_change_state), (gst_rtp_mpv_depay_plugin_init):
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* gst/rtp/gstrtpmpvdepay.h:
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Added RFC 2250 MPEG Video Depayloader.
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* gst/rtp/gstrtpL16depay.h:
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* gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_setcaps),
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(gst_rtp_h263p_depay_process):
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Fix Header file. Small cleanups.
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* gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_class_init),
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(gst_rtp_mp4g_depay_init), (gst_rtp_mp4g_depay_finalize),
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(gst_rtp_mp4g_depay_process), (gst_rtp_mp4g_depay_change_state):
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* gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_class_init),
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(gst_rtp_mp4v_depay_init), (gst_rtp_mp4v_depay_finalize),
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(gst_rtp_mp4v_depay_setcaps), (gst_rtp_mp4v_depay_process),
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(gst_rtp_mp4v_depay_change_state):
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Remove usused code. Remove Adapter from state Change. Added debug.
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* gst/rtp/gstrtpmpadepay.c: (gst_rtp_mpa_depay_base_init),
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(gst_rtp_mpa_depay_class_init), (gst_rtp_mpa_depay_init),
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(gst_rtp_mpa_depay_setcaps), (gst_rtp_mpa_depay_process):
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* gst/rtp/gstrtpmpadepay.h:
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Subclass base depayloader.
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Added debug.
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Support static payload type assignment as well.
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* gst/rtp/gstrtpmpapay.c:
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Fix caps.
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2007-01-08 Tim-Philipp Müller <tim at centricular dot net>
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Patch by: Vincent Torri <vtorri at univ-evry fr>
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@ -7,6 +7,7 @@ libgstrtp_la_SOURCES = \
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gstrtpilbcpay.c \
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gstrtpmpadepay.c \
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gstrtpmpapay.c \
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gstrtpmpvdepay.c \
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gstrtppcmadepay.c \
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gstrtppcmudepay.c \
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gstrtppcmupay.c \
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@ -62,6 +63,7 @@ noinst_HEADERS = \
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gstrtpgsmpay.h \
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gstrtpmpadepay.h \
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gstrtpmpapay.h \
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gstrtpmpvdepay.h \
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gstrtph263pdepay.h \
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gstrtph263ppay.h \
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gstrtph263pay.h \
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@ -34,6 +34,7 @@
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#include "gstrtpamrdepay.h"
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#include "gstrtpmpapay.h"
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#include "gstrtpmpadepay.h"
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#include "gstrtpmpvdepay.h"
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#include "gstrtph263pdepay.h"
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#include "gstrtph263ppay.h"
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#include "gstrtph263pay.h"
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@ -94,6 +95,9 @@ plugin_init (GstPlugin * plugin)
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if (!gst_rtp_mpa_pay_plugin_init (plugin))
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return FALSE;
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if (!gst_rtp_mpv_depay_plugin_init (plugin))
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return FALSE;
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if (!gst_rtp_h263p_pay_plugin_init (plugin))
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return FALSE;
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@ -24,13 +24,24 @@
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#include "rtp-packet.h"
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#include "gstrtp-common.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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G_BEGIN_DECLS
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/* Standard macros for defining types for this element. */
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#define GST_TYPE_RTP_L16_DEPAY \
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(gst_rtp_L16depay_get_type())
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#define GST_RTP_L16_DEPAY(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_L16_DEPAY,GstRtpL16Depay))
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#define GST_RTP_L16_DEPAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_L16_DEPAY,GstRtpL16DepayClass))
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#define GST_IS_RTP_L16_DEPAY(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_L16_DEPAY))
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#define GST_IS_RTP_L16_DEPAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_L16_DEPAY))
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typedef struct _GstRtpL16Depay GstRtpL16Depay;
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typedef struct _GstRtpL16DepayClass GstRtpL16DepayClass;
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/* Definition of structure storing data for this element. */
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typedef struct _GstRtpL16Depay GstRtpL16Depay;
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struct _GstRtpL16Depay
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{
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GstElement element;
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};
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/* Standard definition defining a class for this element. */
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typedef struct _GstRtpL16DepayClass GstRtpL16DepayClass;
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struct _GstRtpL16DepayClass
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{
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GstElementClass parent_class;
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};
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/* Standard macros for defining types for this element. */
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#define GST_TYPE_RTP_L16_DEPAY \
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(gst_rtp_L16depay_get_type())
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#define GST_RTP_L16_DEPAY(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_L16_DEPAY,GstRtpL16Depay))
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#define GST_RTP_L16_DEPAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_L16_DEPAY,GstRtpL16DepayClass))
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#define GST_IS_RTP_L16_DEPAY(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_L16_DEPAY))
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#define GST_IS_RTP_L16_DEPAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_L16_DEPAY))
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gboolean gst_rtp_L16depay_plugin_init (GstPlugin * plugin);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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G_END_DECLS
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#endif /* __GST_RTP_L16_DEPAY_H__ */
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#endif /* __GST_RTP_L16_DEPAY_H__ */
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@ -138,18 +138,14 @@ gst_rtp_h263p_depay_finalize (GObject * object)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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// only on the sink
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gboolean
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gst_rtp_h263p_depay_setcaps (GstBaseRTPDepayload * filter, GstCaps * caps)
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{
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GstStructure *structure = gst_caps_get_structure (caps, 0);
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gint clock_rate = 90000; // default
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if (gst_structure_has_field (structure, "clock-rate")) {
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gst_structure_get_int (structure, "clock-rate", &clock_rate);
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}
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gint clock_rate = 90000; /* default */
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gst_structure_get_int (structure, "clock-rate", &clock_rate);
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filter->clock_rate = clock_rate;
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return TRUE;
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GstRtpH263PDepay *rtph263pdepay;
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GstBuffer *outbuf;
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/* GstRTPPayload pt; */
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rtph263pdepay = GST_RTP_H263P_DEPAY (depayload);
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if (!gst_rtp_buffer_validate (buf))
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goto bad_packet;
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/*
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if ((pt = gst_rtp_buffer_get_payload_type (buf)) != 0)
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goto bad_payload;
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*/
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{
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gint payload_len;
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guint8 *payload;
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memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
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gst_adapter_push (rtph263pdepay->adapter, outbuf);
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}
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}
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return NULL;
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bad_packet:
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{
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GST_ELEMENT_WARNING (rtph263pdepay, STREAM, DECODE,
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("Packet did not validate"), (NULL));
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return NULL;
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}
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/*
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bad_payload:
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{
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GST_DEBUG ("Unexpected payload type %u", pt);
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gst_buffer_unref (buf);
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return GST_FLOW_ERROR;
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}
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*/
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}
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static void
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@ -46,7 +46,6 @@ enum
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enum
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{
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ARG_0,
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ARG_FREQUENCY
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};
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static GstStaticPadTemplate gst_rtp_mp4g_depay_src_template =
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GST_BOILERPLATE (GstRtpMP4GDepay, gst_rtp_mp4g_depay, GstBaseRTPDepayload,
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GST_TYPE_BASE_RTP_DEPAYLOAD);
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static void gst_rtp_mp4g_depay_finalize (GObject * object);
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static gboolean gst_rtp_mp4g_depay_setcaps (GstBaseRTPDepayload * depayload,
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GstCaps * caps);
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static GstBuffer *gst_rtp_mp4g_depay_process (GstBaseRTPDepayload * depayload,
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@ -132,14 +133,15 @@ gst_rtp_mp4g_depay_class_init (GstRtpMP4GDepayClass * klass)
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parent_class = g_type_class_peek_parent (klass);
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gstbasertpdepayload_class->process = gst_rtp_mp4g_depay_process;
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gstbasertpdepayload_class->set_caps = gst_rtp_mp4g_depay_setcaps;
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gobject_class->finalize = gst_rtp_mp4g_depay_finalize;
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gobject_class->set_property = gst_rtp_mp4g_depay_set_property;
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gobject_class->get_property = gst_rtp_mp4g_depay_get_property;
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gstelement_class->change_state = gst_rtp_mp4g_depay_change_state;
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gstbasertpdepayload_class->process = gst_rtp_mp4g_depay_process;
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gstbasertpdepayload_class->set_caps = gst_rtp_mp4g_depay_setcaps;
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GST_DEBUG_CATEGORY_INIT (rtpmp4gdepay_debug, "rtpmp4gdepay", 0,
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"MP4-generic RTP Depayloader");
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}
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@ -148,6 +150,20 @@ static void
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gst_rtp_mp4g_depay_init (GstRtpMP4GDepay * rtpmp4gdepay,
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GstRtpMP4GDepayClass * klass)
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{
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rtpmp4gdepay->adapter = gst_adapter_new ();
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}
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static void
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gst_rtp_mp4g_depay_finalize (GObject * object)
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{
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GstRtpMP4GDepay *rtpmp4gdepay;
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rtpmp4gdepay = GST_RTP_MP4G_DEPAY (object);
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g_object_unref (rtpmp4gdepay->adapter);
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rtpmp4gdepay->adapter = NULL;
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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@ -299,14 +315,13 @@ gst_rtp_mp4g_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
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return NULL;
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}
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}
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return NULL;
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/* ERRORS */
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bad_packet:
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{
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GST_ELEMENT_WARNING (rtpmp4gdepay, STREAM, DECODE,
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("Packet did not validate"), (NULL));
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("Packet did not validate."), (NULL));
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return NULL;
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}
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}
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@ -351,9 +366,6 @@ gst_rtp_mp4g_depay_change_state (GstElement * element,
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rtpmp4gdepay = GST_RTP_MP4G_DEPAY (element);
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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rtpmp4gdepay->adapter = gst_adapter_new ();
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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gst_adapter_clear (rtpmp4gdepay->adapter);
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break;
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_NULL:
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g_object_unref (rtpmp4gdepay->adapter);
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rtpmp4gdepay->adapter = NULL;
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break;
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default:
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break;
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}
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@ -26,6 +26,9 @@
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#include <string.h>
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#include "gstrtpmp4vdepay.h"
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GST_DEBUG_CATEGORY_STATIC (rtpmp4vdepay_debug);
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#define GST_CAT_DEFAULT (rtpmp4vdepay_debug)
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/* elementfactory information */
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static const GstElementDetails gst_rtp_mp4vdepay_details =
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GST_ELEMENT_DETAILS ("RTP packet depayloader",
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GST_BOILERPLATE (GstRtpMP4VDepay, gst_rtp_mp4v_depay, GstBaseRTPDepayload,
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GST_TYPE_BASE_RTP_DEPAYLOAD);
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static void gst_rtp_mp4v_depay_finalize (GObject * object);
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static gboolean gst_rtp_mp4v_depay_setcaps (GstBaseRTPDepayload * depayload,
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GstCaps * caps);
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static GstBuffer *gst_rtp_mp4v_depay_process (GstBaseRTPDepayload * depayload,
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@ -108,22 +113,39 @@ gst_rtp_mp4v_depay_class_init (GstRtpMP4VDepayClass * klass)
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
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gstbasertpdepayload_class->process = gst_rtp_mp4v_depay_process;
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gstbasertpdepayload_class->set_caps = gst_rtp_mp4v_depay_setcaps;
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gobject_class->finalize = gst_rtp_mp4v_depay_finalize;
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gobject_class->set_property = gst_rtp_mp4v_depay_set_property;
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gobject_class->get_property = gst_rtp_mp4v_depay_get_property;
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gstelement_class->change_state = gst_rtp_mp4v_depay_change_state;
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gstbasertpdepayload_class->process = gst_rtp_mp4v_depay_process;
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gstbasertpdepayload_class->set_caps = gst_rtp_mp4v_depay_setcaps;
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GST_DEBUG_CATEGORY_INIT (rtpmp4vdepay_debug, "rtpmp4vdepay", 0,
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"MPEG4 video RTP Depayloader");
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}
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static void
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gst_rtp_mp4v_depay_init (GstRtpMP4VDepay * rtpmp4vdepay,
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GstRtpMP4VDepayClass * klass)
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{
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rtpmp4vdepay->adapter = gst_adapter_new ();
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mp4v_depay_finalize (GObject * object)
|
||||
{
|
||||
GstRtpMP4VDepay *rtpmp4vdepay;
|
||||
|
||||
rtpmp4vdepay = GST_RTP_MP4V_DEPAY (object);
|
||||
|
||||
g_object_unref (rtpmp4vdepay->adapter);
|
||||
rtpmp4vdepay->adapter = NULL;
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
@ -140,10 +162,7 @@ gst_rtp_mp4v_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
|
|||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
if (gst_structure_has_field (structure, "clock-rate")) {
|
||||
gst_structure_get_int (structure, "clock-rate", &clock_rate);
|
||||
}
|
||||
|
||||
gst_structure_get_int (structure, "clock-rate", &clock_rate);
|
||||
depayload->clock_rate = clock_rate;
|
||||
|
||||
srccaps = gst_caps_new_simple ("video/mpeg",
|
||||
|
@ -230,7 +249,6 @@ bad_packet:
|
|||
{
|
||||
GST_ELEMENT_WARNING (rtpmp4vdepay, STREAM, DECODE,
|
||||
("Packet did not validate"), (NULL));
|
||||
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
@ -275,9 +293,6 @@ gst_rtp_mp4v_depay_change_state (GstElement * element,
|
|||
rtpmp4vdepay = GST_RTP_MP4V_DEPAY (element);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||
rtpmp4vdepay->adapter = gst_adapter_new ();
|
||||
break;
|
||||
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||
gst_adapter_clear (rtpmp4vdepay->adapter);
|
||||
break;
|
||||
|
@ -288,10 +303,6 @@ gst_rtp_mp4v_depay_change_state (GstElement * element,
|
|||
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||
g_object_unref (rtpmp4vdepay->adapter);
|
||||
rtpmp4vdepay->adapter = NULL;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
|
|
@ -26,6 +26,9 @@
|
|||
#include <string.h>
|
||||
#include "gstrtpmpadepay.h"
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (rtpmpadepay_debug);
|
||||
#define GST_CAT_DEFAULT (rtpmpadepay_debug)
|
||||
|
||||
/* elementfactory information */
|
||||
static const GstElementDetails gst_rtp_mpadepay_details =
|
||||
GST_ELEMENT_DETAILS ("RTP packet depayloader",
|
||||
|
@ -43,7 +46,6 @@ enum
|
|||
enum
|
||||
{
|
||||
ARG_0,
|
||||
ARG_FREQUENCY
|
||||
};
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_mpa_depay_src_template =
|
||||
|
@ -54,20 +56,25 @@ GST_STATIC_PAD_TEMPLATE ("src",
|
|||
);
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_mpa_depay_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"media = (string) \"audio\", "
|
||||
"clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\"")
|
||||
"clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\";"
|
||||
"application/x-rtp, "
|
||||
"media = (string) \"audio\", "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_MPA_STRING ", "
|
||||
"clock-rate = (int) 90000")
|
||||
);
|
||||
|
||||
GST_BOILERPLATE (GstRtpMPADepay, gst_rtp_mpa_depay, GstBaseRTPDepayload,
|
||||
GST_TYPE_BASE_RTP_DEPAYLOAD);
|
||||
|
||||
static void gst_rtp_mpa_depay_class_init (GstRtpMPADepayClass * klass);
|
||||
static void gst_rtp_mpa_depay_base_init (GstRtpMPADepayClass * klass);
|
||||
static void gst_rtp_mpa_depay_init (GstRtpMPADepay * rtpmpadepay);
|
||||
|
||||
static GstFlowReturn gst_rtp_mpa_depay_chain (GstPad * pad, GstBuffer * buffer);
|
||||
static gboolean gst_rtp_mpa_depay_setcaps (GstBaseRTPDepayload * depayload,
|
||||
GstCaps * caps);
|
||||
static GstBuffer *gst_rtp_mpa_depay_process (GstBaseRTPDepayload * depayload,
|
||||
GstBuffer * buf);
|
||||
|
||||
static void gst_rtp_mpa_depay_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec);
|
||||
|
@ -77,35 +84,8 @@ static void gst_rtp_mpa_depay_get_property (GObject * object, guint prop_id,
|
|||
static GstStateChangeReturn gst_rtp_mpa_depay_change_state (GstElement *
|
||||
element, GstStateChange transition);
|
||||
|
||||
static GstElementClass *parent_class = NULL;
|
||||
|
||||
static GType
|
||||
gst_rtp_mpa_depay_get_type (void)
|
||||
{
|
||||
static GType rtpmpadepay_type = 0;
|
||||
|
||||
if (!rtpmpadepay_type) {
|
||||
static const GTypeInfo rtpmpadepay_info = {
|
||||
sizeof (GstRtpMPADepayClass),
|
||||
(GBaseInitFunc) gst_rtp_mpa_depay_base_init,
|
||||
NULL,
|
||||
(GClassInitFunc) gst_rtp_mpa_depay_class_init,
|
||||
NULL,
|
||||
NULL,
|
||||
sizeof (GstRtpMPADepay),
|
||||
0,
|
||||
(GInstanceInitFunc) gst_rtp_mpa_depay_init,
|
||||
};
|
||||
|
||||
rtpmpadepay_type =
|
||||
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpMPADepay",
|
||||
&rtpmpadepay_info, 0);
|
||||
}
|
||||
return rtpmpadepay_type;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mpa_depay_base_init (GstRtpMPADepayClass * klass)
|
||||
gst_rtp_mpa_depay_base_init (gpointer klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
|
@ -122,9 +102,11 @@ gst_rtp_mpa_depay_class_init (GstRtpMPADepayClass * klass)
|
|||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
|
||||
|
||||
gobject_class = (GObjectClass *) klass;
|
||||
gstelement_class = (GstElementClass *) klass;
|
||||
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
|
||||
|
||||
parent_class = g_type_class_peek_parent (klass);
|
||||
|
||||
|
@ -132,39 +114,48 @@ gst_rtp_mpa_depay_class_init (GstRtpMPADepayClass * klass)
|
|||
gobject_class->get_property = gst_rtp_mpa_depay_get_property;
|
||||
|
||||
gstelement_class->change_state = gst_rtp_mpa_depay_change_state;
|
||||
|
||||
gstbasertpdepayload_class->set_caps = gst_rtp_mpa_depay_setcaps;
|
||||
gstbasertpdepayload_class->process = gst_rtp_mpa_depay_process;
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (rtpmpadepay_debug, "rtpmpadepay", 0,
|
||||
"MPEG Audio RTP Depayloader");
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mpa_depay_init (GstRtpMPADepay * rtpmpadepay)
|
||||
gst_rtp_mpa_depay_init (GstRtpMPADepay * rtpmpadepay,
|
||||
GstRtpMPADepayClass * klass)
|
||||
{
|
||||
rtpmpadepay->srcpad =
|
||||
gst_pad_new_from_static_template (&gst_rtp_mpa_depay_src_template, "src");
|
||||
gst_element_add_pad (GST_ELEMENT (rtpmpadepay), rtpmpadepay->srcpad);
|
||||
|
||||
rtpmpadepay->sinkpad =
|
||||
gst_pad_new_from_static_template (&gst_rtp_mpa_depay_sink_template,
|
||||
"sink");
|
||||
gst_pad_set_chain_function (rtpmpadepay->sinkpad, gst_rtp_mpa_depay_chain);
|
||||
gst_element_add_pad (GST_ELEMENT (rtpmpadepay), rtpmpadepay->sinkpad);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_rtp_mpa_depay_chain (GstPad * pad, GstBuffer * buf)
|
||||
static gboolean
|
||||
gst_rtp_mpa_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
|
||||
{
|
||||
GstStructure *structure;
|
||||
GstRtpMPADepay *rtpmpadepay;
|
||||
gint clock_rate = 90000; /* default */
|
||||
|
||||
rtpmpadepay = GST_RTP_MPA_DEPAY (depayload);
|
||||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
gst_structure_get_int (structure, "clock-rate", &clock_rate);
|
||||
depayload->clock_rate = clock_rate;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstBuffer *
|
||||
gst_rtp_mpa_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
|
||||
{
|
||||
GstRtpMPADepay *rtpmpadepay;
|
||||
GstBuffer *outbuf;
|
||||
guint8 pt;
|
||||
GstFlowReturn ret;
|
||||
|
||||
rtpmpadepay = GST_RTP_MPA_DEPAY (GST_OBJECT_PARENT (pad));
|
||||
rtpmpadepay = GST_RTP_MPA_DEPAY (depayload);
|
||||
|
||||
if (!gst_rtp_buffer_validate (buf))
|
||||
goto bad_packet;
|
||||
|
||||
if ((pt = gst_rtp_buffer_get_payload_type (buf)) != GST_RTP_PAYLOAD_MPA)
|
||||
goto bad_payload;
|
||||
|
||||
|
||||
{
|
||||
gint payload_len;
|
||||
guint8 *payload;
|
||||
|
@ -202,32 +193,32 @@ gst_rtp_mpa_depay_chain (GstPad * pad, GstBuffer * buf)
|
|||
"gst_rtp_mpa_depay_chain: pushing buffer of size %d",
|
||||
GST_BUFFER_SIZE (outbuf));
|
||||
|
||||
gst_buffer_unref (buf);
|
||||
|
||||
/* FIXME, we can push half mpeg frames when they are split over multiple
|
||||
* RTP packets */
|
||||
ret = gst_pad_push (rtpmpadepay->srcpad, outbuf);
|
||||
return outbuf;
|
||||
}
|
||||
|
||||
return ret;
|
||||
return NULL;
|
||||
|
||||
bad_packet:
|
||||
{
|
||||
GST_DEBUG_OBJECT (rtpmpadepay, "Packet did not validate");
|
||||
gst_buffer_unref (buf);
|
||||
return GST_FLOW_ERROR;
|
||||
GST_ELEMENT_WARNING (rtpmpadepay, STREAM, DECODE,
|
||||
("Packet did not validate."), (NULL));
|
||||
return NULL;
|
||||
}
|
||||
#if 0
|
||||
bad_payload:
|
||||
{
|
||||
GST_DEBUG_OBJECT (rtpmpadepay, "Unexpected payload type %u", pt);
|
||||
gst_buffer_unref (buf);
|
||||
return GST_FLOW_ERROR;
|
||||
GST_ELEMENT_WARNING (rtpmpadepay, STREAM, DECODE,
|
||||
("Unexpected payload type."), (NULL));
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
empty_packet:
|
||||
{
|
||||
GST_DEBUG_OBJECT (rtpmpadepay, "Empty payload");
|
||||
gst_buffer_unref (buf);
|
||||
return GST_FLOW_OK;
|
||||
GST_ELEMENT_WARNING (rtpmpadepay, STREAM, DECODE,
|
||||
("Empty Payload."), (NULL));
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -21,6 +21,7 @@
|
|||
#define __GST_RTP_MPA_DEPAY_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstbasertpdepayload.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
@ -40,17 +41,12 @@ typedef struct _GstRtpMPADepayClass GstRtpMPADepayClass;
|
|||
|
||||
struct _GstRtpMPADepay
|
||||
{
|
||||
GstElement element;
|
||||
|
||||
GstPad *sinkpad;
|
||||
GstPad *srcpad;
|
||||
|
||||
guint frequency;
|
||||
GstBaseRTPDepayload depayload;
|
||||
};
|
||||
|
||||
struct _GstRtpMPADepayClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
GstBaseRTPDepayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtp_mpa_depay_plugin_init (GstPlugin * plugin);
|
||||
|
|
|
@ -48,7 +48,7 @@ static GstStaticPadTemplate gst_rtp_mpa_pay_src_template =
|
|||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"media = (string) \"audio\", "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_MPA_STRING ", "
|
||||
"clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\"; "
|
||||
"clock-rate = (int) 90000; "
|
||||
"application/x-rtp, "
|
||||
"media = (string) \"audio\", "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
|
||||
|
|
298
gst/rtp/gstrtpmpvdepay.c
Normal file
298
gst/rtp/gstrtpmpvdepay.c
Normal file
|
@ -0,0 +1,298 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <2006> Wim Taymans <wim@fluendo.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include <gst/rtp/gstrtpbuffer.h>
|
||||
|
||||
#include <string.h>
|
||||
#include "gstrtpmpvdepay.h"
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (rtpmpvdepay_debug);
|
||||
#define GST_CAT_DEFAULT (rtpmpvdepay_debug)
|
||||
|
||||
/* elementfactory information */
|
||||
static const GstElementDetails gst_rtp_mpvdepay_details =
|
||||
GST_ELEMENT_DETAILS ("RTP packet depayloader",
|
||||
"Codec/Depayloader/Network",
|
||||
"Extracts MPEG video from RTP packets (RFC 2250)",
|
||||
"Wim Taymans <wim@fluendo.com>");
|
||||
|
||||
/* RtpMPVDepay signals and args */
|
||||
enum
|
||||
{
|
||||
/* FILL ME */
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
ARG_0,
|
||||
};
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_mpv_depay_src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("video/mpeg")
|
||||
);
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_mpv_depay_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"media = (string) \"video\", "
|
||||
"clock-rate = (int) 90000, " "encoding-name = (string) \"MPV\";"
|
||||
"application/x-rtp, "
|
||||
"media = (string) \"video\", "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_MPV_STRING ", "
|
||||
"clock-rate = (int) 90000")
|
||||
);
|
||||
|
||||
GST_BOILERPLATE (GstRtpMPVDepay, gst_rtp_mpv_depay, GstBaseRTPDepayload,
|
||||
GST_TYPE_BASE_RTP_DEPAYLOAD);
|
||||
|
||||
static gboolean gst_rtp_mpv_depay_setcaps (GstBaseRTPDepayload * depayload,
|
||||
GstCaps * caps);
|
||||
static GstBuffer *gst_rtp_mpv_depay_process (GstBaseRTPDepayload * depayload,
|
||||
GstBuffer * buf);
|
||||
|
||||
static void gst_rtp_mpv_depay_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec);
|
||||
static void gst_rtp_mpv_depay_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec);
|
||||
|
||||
static GstStateChangeReturn gst_rtp_mpv_depay_change_state (GstElement *
|
||||
element, GstStateChange transition);
|
||||
|
||||
static void
|
||||
gst_rtp_mpv_depay_base_init (gpointer klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_mpv_depay_src_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_mpv_depay_sink_template));
|
||||
|
||||
gst_element_class_set_details (element_class, &gst_rtp_mpvdepay_details);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mpv_depay_class_init (GstRtpMPVDepayClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
|
||||
|
||||
gobject_class = (GObjectClass *) klass;
|
||||
gstelement_class = (GstElementClass *) klass;
|
||||
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
|
||||
|
||||
parent_class = g_type_class_peek_parent (klass);
|
||||
|
||||
gobject_class->set_property = gst_rtp_mpv_depay_set_property;
|
||||
gobject_class->get_property = gst_rtp_mpv_depay_get_property;
|
||||
|
||||
gstelement_class->change_state = gst_rtp_mpv_depay_change_state;
|
||||
|
||||
gstbasertpdepayload_class->set_caps = gst_rtp_mpv_depay_setcaps;
|
||||
gstbasertpdepayload_class->process = gst_rtp_mpv_depay_process;
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (rtpmpvdepay_debug, "rtpmpvdepay", 0,
|
||||
"MPEG Video RTP Depayloader");
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mpv_depay_init (GstRtpMPVDepay * rtpmpvdepay,
|
||||
GstRtpMPVDepayClass * klass)
|
||||
{
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_mpv_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
|
||||
{
|
||||
GstStructure *structure;
|
||||
GstRtpMPVDepay *rtpmpvdepay;
|
||||
gint clock_rate = 90000; /* default */
|
||||
|
||||
rtpmpvdepay = GST_RTP_MPV_DEPAY (depayload);
|
||||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
gst_structure_get_int (structure, "clock-rate", &clock_rate);
|
||||
depayload->clock_rate = clock_rate;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstBuffer *
|
||||
gst_rtp_mpv_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
|
||||
{
|
||||
GstRtpMPVDepay *rtpmpvdepay;
|
||||
GstBuffer *outbuf;
|
||||
|
||||
rtpmpvdepay = GST_RTP_MPV_DEPAY (depayload);
|
||||
|
||||
if (!gst_rtp_buffer_validate (buf))
|
||||
goto bad_packet;
|
||||
|
||||
{
|
||||
gint payload_len;
|
||||
guint8 *payload;
|
||||
guint8 T;
|
||||
guint32 timestamp;
|
||||
|
||||
payload_len = gst_rtp_buffer_get_payload_len (buf);
|
||||
payload = gst_rtp_buffer_get_payload (buf);
|
||||
|
||||
if (payload_len <= 4)
|
||||
goto empty_packet;
|
||||
|
||||
/* 3.4 MPEG Video-specific header
|
||||
*
|
||||
* 0 1 2 3
|
||||
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
|
||||
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
||||
* | MBZ |T| TR | |N|S|B|E| P | | BFC | | FFC |
|
||||
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
||||
* AN FBV FFV
|
||||
*/
|
||||
T = (payload[0] & 0x04);
|
||||
|
||||
payload_len -= 4;
|
||||
payload += 4;
|
||||
|
||||
if (T) {
|
||||
/*
|
||||
* 3.4.1 MPEG-2 Video-specific header extension
|
||||
*
|
||||
* 0 1 2 3
|
||||
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
|
||||
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
||||
* |X|E|f_[0,0]|f_[0,1]|f_[1,0]|f_[1,1]| DC| PS|T|P|C|Q|V|A|R|H|G|D|
|
||||
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
||||
*/
|
||||
if (payload_len <= 4)
|
||||
goto empty_packet;
|
||||
|
||||
payload_len -= 4;
|
||||
payload += 4;
|
||||
}
|
||||
|
||||
timestamp = gst_rtp_buffer_get_timestamp (buf);
|
||||
|
||||
outbuf = gst_buffer_new_and_alloc (payload_len);
|
||||
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
|
||||
|
||||
GST_DEBUG_OBJECT (rtpmpvdepay,
|
||||
"gst_rtp_mpv_depay_chain: pushing buffer of size %d",
|
||||
GST_BUFFER_SIZE (outbuf));
|
||||
|
||||
return outbuf;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
|
||||
bad_packet:
|
||||
{
|
||||
GST_ELEMENT_WARNING (rtpmpvdepay, STREAM, DECODE,
|
||||
("Packet did not validate."), (NULL));
|
||||
return NULL;
|
||||
}
|
||||
#if 0
|
||||
bad_payload:
|
||||
{
|
||||
GST_DEBUG_OBJECT (rtpmpvdepay, "Unexpected payload type %u", pt);
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
empty_packet:
|
||||
{
|
||||
GST_ELEMENT_WARNING (rtpmpvdepay, STREAM, DECODE,
|
||||
("Empty payload."), (NULL));
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mpv_depay_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstRtpMPVDepay *rtpmpvdepay;
|
||||
|
||||
rtpmpvdepay = GST_RTP_MPV_DEPAY (object);
|
||||
|
||||
switch (prop_id) {
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mpv_depay_get_property (GObject * object, guint prop_id, GValue * value,
|
||||
GParamSpec * pspec)
|
||||
{
|
||||
GstRtpMPVDepay *rtpmpvdepay;
|
||||
|
||||
rtpmpvdepay = GST_RTP_MPV_DEPAY (object);
|
||||
|
||||
switch (prop_id) {
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_rtp_mpv_depay_change_state (GstElement * element, GstStateChange transition)
|
||||
{
|
||||
GstRtpMPVDepay *rtpmpvdepay;
|
||||
GstStateChangeReturn ret;
|
||||
|
||||
rtpmpvdepay = GST_RTP_MPV_DEPAY (element);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_mpv_depay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtpmpvdepay",
|
||||
GST_RANK_MARGINAL, GST_TYPE_RTP_MPV_DEPAY);
|
||||
}
|
56
gst/rtp/gstrtpmpvdepay.h
Normal file
56
gst/rtp/gstrtpmpvdepay.h
Normal file
|
@ -0,0 +1,56 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifndef __GST_RTP_MPV_DEPAY_H__
|
||||
#define __GST_RTP_MPV_DEPAY_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstbasertpdepayload.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_RTP_MPV_DEPAY \
|
||||
(gst_rtp_mpv_depay_get_type())
|
||||
#define GST_RTP_MPV_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MPV_DEPAY,GstRtpMPVDepay))
|
||||
#define GST_RTP_MPV_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MPV_DEPAY,GstRtpMPVDepayClass))
|
||||
#define GST_IS_RTP_MPV_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MPV_DEPAY))
|
||||
#define GST_IS_RTP_MPV_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MPV_DEPAY))
|
||||
|
||||
typedef struct _GstRtpMPVDepay GstRtpMPVDepay;
|
||||
typedef struct _GstRtpMPVDepayClass GstRtpMPVDepayClass;
|
||||
|
||||
struct _GstRtpMPVDepay
|
||||
{
|
||||
GstBaseRTPDepayload depayload;
|
||||
};
|
||||
|
||||
struct _GstRtpMPVDepayClass
|
||||
{
|
||||
GstBaseRTPDepayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtp_mpv_depay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_RTP_MPV_DEPAY_H__ */
|
Loading…
Reference in a new issue