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Diffstat (limited to 'gst/rtp/gstrtph263enc.c')
-rw-r--r--gst/rtp/gstrtph263enc.c380
1 files changed, 0 insertions, 380 deletions
diff --git a/gst/rtp/gstrtph263enc.c b/gst/rtp/gstrtph263enc.c
deleted file mode 100644
index c2caa06f..00000000
--- a/gst/rtp/gstrtph263enc.c
+++ /dev/null
@@ -1,380 +0,0 @@
-/* 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
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <string.h>
-
-#include <gst/rtp/gstrtpbuffer.h>
-
-#include "gstrtph263enc.h"
-
-#define GST_RFC2190A_HEADER_LEN 4
-
-typedef struct _GstRFC2190AHeader
-{
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN
- unsigned int ebit:3; /* End position */
- unsigned int sbit:3; /* Start position */
- unsigned int p:1; /* PB-frames mode */
- unsigned int f:1; /* flag bit */
-
- unsigned int r1:1; /* Reserved */
- unsigned int a:1; /* Advanced Prediction */
- unsigned int s:1; /* syntax based arithmetic coding */
- unsigned int u:1; /* Unrestricted motion vector */
- unsigned int i:1; /* Picture coding type */
- unsigned int src:3; /* Source format */
-
- unsigned int trb:3; /* Temporal ref for B frame */
- unsigned int dbq:2; /* Differential Quantisation parameter */
- unsigned int r2:3; /* Reserved */
-#elif G_BYTE_ORDER == G_BIG_ENDIAN
- unsigned int f:1; /* flag bit */
- unsigned int p:1; /* PB-frames mode */
- unsigned int sbit:3; /* Start position */
- unsigned int ebit:3; /* End position */
-
- unsigned int src:3; /* Source format */
- unsigned int i:1; /* Picture coding type */
- unsigned int u:1; /* Unrestricted motion vector */
- unsigned int s:1; /* syntax based arithmetic coding */
- unsigned int a:1; /* Advanced Prediction */
- unsigned int r1:1; /* Reserved */
-
- unsigned int r2:3; /* Reserved */
- unsigned int dbq:2; /* Differential Quantisation parameter */
- unsigned int trb:3; /* Temporal ref for B frame */
-#else
-#error "G_BYTE_ORDER should be big or little endian."
-#endif
- guint8 tr; /* Temporal ref for P frame */
-} GstRFC2190AHeader;
-
-
-#define GST_RFC2190A_HEADER_F(buf) (((GstRFC2190AHeader *)(buf))->f)
-#define GST_RFC2190A_HEADER_P(buf) (((GstRFC2190AHeader *)(buf))->p)
-#define GST_RFC2190A_HEADER_SBIT(buf) (((GstRFC2190AHeader *)(buf))->sbit)
-#define GST_RFC2190A_HEADER_EBIT(buf) (((GstRFC2190AHeader *)(buf))->ebit)
-#define GST_RFC2190A_HEADER_SRC(buf) (((GstRFC2190AHeader *)(buf))->src)
-#define GST_RFC2190A_HEADER_I(buf) (((GstRFC2190AHeader *)(buf))->i)
-#define GST_RFC2190A_HEADER_U(buf) (((GstRFC2190AHeader *)(buf))->u)
-#define GST_RFC2190A_HEADER_S(buf) (((GstRFC2190AHeader *)(buf))->s)
-#define GST_RFC2190A_HEADER_A(buf) (((GstRFC2190AHeader *)(buf))->a)
-#define GST_RFC2190A_HEADER_R1(buf) (((GstRFC2190AHeader *)(buf))->r1)
-#define GST_RFC2190A_HEADER_R2(buf) (((GstRFC2190AHeader *)(buf))->r2)
-#define GST_RFC2190A_HEADER_DBQ(buf) (((GstRFC2190AHeader *)(buf))->dbq)
-#define GST_RFC2190A_HEADER_TRB(buf) (((GstRFC2190AHeader *)(buf))->trb)
-#define GST_RFC2190A_HEADER_TR(buf) (((GstRFC2190AHeader *)(buf))->tr)
-
-
-typedef struct _GstH263PictureLayer
-{
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN
- unsigned int psc1:16;
-
- unsigned int tr1:2;
- unsigned int psc2:6;
-
- unsigned int ptype_263:1;
- unsigned int ptype_start:1;
- unsigned int tr2:6;
-
- unsigned int ptype_umvmode:1;
- unsigned int ptype_pictype:1;
- unsigned int ptype_srcformat:3;
- unsigned int ptype_freeze:1;
- unsigned int ptype_camera:1;
- unsigned int ptype_split:1;
-
- unsigned int chaff:5;
- unsigned int ptype_pbmode:1;
- unsigned int ptype_apmode:1;
- unsigned int ptype_sacmode:1;
-#elif G_BYTE_ORDER == G_BIG_ENDIAN
- unsigned int psc1:16;
-
- unsigned int psc2:6;
- unsigned int tr1:2;
-
- unsigned int tr2:6;
- unsigned int ptype_start:1;
- unsigned int ptype_263:1;
-
- unsigned int ptype_split:1;
- unsigned int ptype_camera:1;
- unsigned int ptype_freeze:1;
- unsigned int ptype_srcformat:3;
- unsigned int ptype_pictype:1;
- unsigned int ptype_umvmode:1;
-
- unsigned int ptype_sacmode:1;
- unsigned int ptype_apmode:1;
- unsigned int ptype_pbmode:1;
- unsigned int chaff:5;
-#else
-#error "G_BYTE_ORDER should be big or little endian."
-#endif
-} GstH263PictureLayer;
-
-#define GST_H263_PICTURELAYER_PLSRC(buf) (((GstH263PictureLayer *)(buf))->ptype_srcformat)
-#define GST_H263_PICTURELAYER_PLTYPE(buf) (((GstH263PictureLayer *)(buf))->ptype_pictype)
-#define GST_H263_PICTURELAYER_PLUMV(buf) (((GstH263PictureLayer *)(buf))->ptype_umvmode)
-#define GST_H263_PICTURELAYER_PLSAC(buf) (((GstH263PictureLayer *)(buf))->ptype_sacmode)
-#define GST_H263_PICTURELAYER_PLAP(buf) (((GstH263PictureLayer *)(buf))->ptype_apmode)
-
-
-
-/* elementfactory information */
-static GstElementDetails gst_rtp_h263enc_details = {
- "RTP packet parser",
- "Codec/Encoder/Network",
- "Encodes H263 video in RTP packets (RFC 2190)",
- "Neil Stratford <neils@vipadia.com>"
-};
-
-static GstStaticPadTemplate gst_rtph263enc_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-h263")
- );
-
-static GstStaticPadTemplate gst_rtph263enc_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("application/x-rtp, "
- "media = (string) \"video\", "
- "payload = (int) [ 96, 255 ], "
- "clock-rate = (int) 90000, " "encoding-name = (string) \"H263-1998\"")
- );
-
-static void gst_rtph263enc_class_init (GstRtpH263EncClass * klass);
-static void gst_rtph263enc_base_init (GstRtpH263EncClass * klass);
-static void gst_rtph263enc_init (GstRtpH263Enc * rtph263enc);
-static void gst_rtph263enc_finalize (GObject * object);
-
-static gboolean gst_rtph263enc_setcaps (GstBaseRTPPayload * payload,
- GstCaps * caps);
-static GstFlowReturn gst_rtph263enc_handle_buffer (GstBaseRTPPayload * payload,
- GstBuffer * buffer);
-
-static GstBaseRTPPayloadClass *parent_class = NULL;
-
-static GType
-gst_rtph263enc_get_type (void)
-{
- static GType rtph263enc_type = 0;
-
- if (!rtph263enc_type) {
- static const GTypeInfo rtph263enc_info = {
- sizeof (GstRtpH263EncClass),
- (GBaseInitFunc) gst_rtph263enc_base_init,
- NULL,
- (GClassInitFunc) gst_rtph263enc_class_init,
- NULL,
- NULL,
- sizeof (GstRtpH263Enc),
- 0,
- (GInstanceInitFunc) gst_rtph263enc_init,
- };
-
- rtph263enc_type =
- g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpH263Enc",
- &rtph263enc_info, 0);
- }
- return rtph263enc_type;
-}
-
-static void
-gst_rtph263enc_base_init (GstRtpH263EncClass * klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtph263enc_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtph263enc_sink_template));
-
- gst_element_class_set_details (element_class, &gst_rtp_h263enc_details);
-}
-
-static void
-gst_rtph263enc_class_init (GstRtpH263EncClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstBaseRTPPayloadClass *gstbasertppayload_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
- gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_PAYLOAD);
-
- gobject_class->finalize = gst_rtph263enc_finalize;
-
- gstbasertppayload_class->set_caps = gst_rtph263enc_setcaps;
- gstbasertppayload_class->handle_buffer = gst_rtph263enc_handle_buffer;
-}
-
-static void
-gst_rtph263enc_init (GstRtpH263Enc * rtph263enc)
-{
- rtph263enc->adapter = gst_adapter_new ();
-}
-
-static void
-gst_rtph263enc_finalize (GObject * object)
-{
- GstRtpH263Enc *rtph263enc;
-
- rtph263enc = GST_RTP_H263_ENC (object);
-
- g_object_unref (rtph263enc->adapter);
- rtph263enc->adapter = NULL;
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_rtph263enc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
-{
- gst_basertppayload_set_options (payload, "video", TRUE, "H263-1998", 90000);
- gst_basertppayload_set_outcaps (payload, NULL);
-
- return TRUE;
-}
-
-static guint
-gst_rtph263enc_gobfiner (guint8 * data, guint len, guint curpos)
-{
- guint16 test = 0xffff;
- guint i;
-
- /* If we are past the end, stop */
- if (curpos >= len)
- return 0;
-
- /* start at curpos and loop looking for next gob start */
- for (i = curpos; i < len; i++) {
- test = (test << 8) | data[i];
- if ((test == 0) && (i > curpos + 4)) {
- return i - 3;
- }
- }
- return len;
-}
-
-static GstFlowReturn
-gst_rtph263enc_flush (GstRtpH263Enc * rtph263enc)
-{
- guint avail;
- GstBuffer *outbuf;
- GstFlowReturn ret = 0;
- gboolean fragmented;
- guint8 *data, *header;
- GstH263PictureLayer *piclayer;
- guint8 *payload;
- guint payload_len, total_len;
- guint curpos, nextgobpos;
-
- avail = gst_adapter_available (rtph263enc->adapter);
- if (avail == 0)
- return GST_FLOW_OK;
-
- fragmented = FALSE;
-
- /* Get a pointer to all the data for the frame */
- data = (guint8 *) gst_adapter_peek (rtph263enc->adapter, avail);
-
- /* Start at the begining and loop looking for gobs */
- curpos = 0;
-
- /* Picture header */
- piclayer = (GstH263PictureLayer *) data;
-
- while ((nextgobpos = gst_rtph263enc_gobfiner (data, avail, curpos)) > 0) {
-
- payload_len = nextgobpos - curpos;
- total_len = payload_len + GST_RFC2190A_HEADER_LEN;
-
- outbuf = gst_rtpbuffer_new_allocate (total_len, 0, 0);
-
- header = gst_rtpbuffer_get_payload (outbuf);
- payload = header + GST_RFC2190A_HEADER_LEN;
-
- /* Build the headers */
- GST_RFC2190A_HEADER_F (header) = 0;
- GST_RFC2190A_HEADER_P (header) = 0;
- GST_RFC2190A_HEADER_SBIT (header) = 0;
- GST_RFC2190A_HEADER_EBIT (header) = 0;
-
- GST_RFC2190A_HEADER_SRC (header) = GST_H263_PICTURELAYER_PLSRC (piclayer);
- GST_RFC2190A_HEADER_I (header) = GST_H263_PICTURELAYER_PLTYPE (piclayer);
- GST_RFC2190A_HEADER_U (header) = GST_H263_PICTURELAYER_PLUMV (piclayer);
- GST_RFC2190A_HEADER_S (header) = GST_H263_PICTURELAYER_PLSAC (piclayer);
- GST_RFC2190A_HEADER_A (header) = GST_H263_PICTURELAYER_PLAP (piclayer);
- GST_RFC2190A_HEADER_R1 (header) = 0;
- GST_RFC2190A_HEADER_R2 (header) = 0;
- GST_RFC2190A_HEADER_DBQ (header) = 0;
- GST_RFC2190A_HEADER_TRB (header) = 0;
- GST_RFC2190A_HEADER_TR (header) = 0;
-
- /* last fragment gets the marker bit set */
- gst_rtpbuffer_set_marker (outbuf, nextgobpos < avail ? 0 : 1);
-
- memcpy (payload, data + curpos, payload_len);
-
- GST_BUFFER_TIMESTAMP (outbuf) = rtph263enc->first_ts;
-
- ret = gst_basertppayload_push (GST_BASE_RTP_PAYLOAD (rtph263enc), outbuf);
-
- curpos = nextgobpos;
- }
-
- /* Flush the whole packet */
- gst_adapter_flush (rtph263enc->adapter, avail);
-
- return ret;
-}
-
-static GstFlowReturn
-gst_rtph263enc_handle_buffer (GstBaseRTPPayload * payload, GstBuffer * buffer)
-{
- GstRtpH263Enc *rtph263enc;
- GstFlowReturn ret;
- guint size;
-
- rtph263enc = GST_RTP_H263_ENC (payload);
-
- size = GST_BUFFER_SIZE (buffer);
- rtph263enc->first_ts = GST_BUFFER_TIMESTAMP (buffer);
-
- /* we always encode and flush a full picture */
- gst_adapter_push (rtph263enc->adapter, buffer);
- ret = gst_rtph263enc_flush (rtph263enc);
-
- return ret;
-}
-
-gboolean
-gst_rtph263enc_plugin_init (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "rtph263enc",
- GST_RANK_NONE, GST_TYPE_RTP_H263_ENC);
-}
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