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BBB asked me to rename lav to y4m can someone who knows the plugin do this in the source as well ?
Original commit message from CVS: BBB asked me to rename lav to y4m can someone who knows the plugin do this in the source as well ?
This commit is contained in:
Thomas Vander Stichele
parent
0dc738e2aa
commit
3a29cb5864
3 changed files with 336 additions and 0 deletions
8
gst/y4m/Makefile.am
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8
gst/y4m/Makefile.am
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@ -0,0 +1,8 @@
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plugindir = $(libdir)/gst
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filter_LTLIBRARIES = libgsty4mencode.la
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libgsty4mencode_la_SOURCES = gsty4mencode.c
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libgsty4mencode_la_CFLAGS = $(GST_CFLAGS)
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noinst_HEADERS = gsty4mencode.h
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257
gst/y4m/gsty4mencode.c
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257
gst/y4m/gsty4mencode.c
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@ -0,0 +1,257 @@
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/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include <gst/gst.h>
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#include "gstlavencode.h"
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static GstElementDetails lavencode_details = {
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"LavEncode",
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"Filter/LAV/Encoder",
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"Encodes a YUV frame into the lav format (mjpeg_tools)",
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VERSION,
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"Wim Taymans <wim.taymans@chello.be>",
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"(C) 2001",
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};
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/* Filter signals and args */
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enum {
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/* FILL ME */
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LAST_SIGNAL
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};
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enum {
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ARG_0
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};
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GST_PADTEMPLATE_FACTORY (lavencode_src_factory,
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"src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW (
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"test_src",
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"application/x-lav",
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NULL
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)
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)
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GST_PADTEMPLATE_FACTORY (lavencode_sink_factory,
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"sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW (
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"test_src",
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"video/raw",
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"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
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"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
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"height", GST_PROPS_INT_RANGE (0, G_MAXINT)
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)
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)
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static void gst_lavencode_class_init (GstLavEncodeClass *klass);
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static void gst_lavencode_init (GstLavEncode *filter);
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static void gst_lavencode_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
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static void gst_lavencode_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
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static void gst_lavencode_chain (GstPad *pad, GstBuffer *buf);
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static GstElementStateReturn gst_lavencode_change_state (GstElement *element);
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static GstElementClass *parent_class = NULL;
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//static guint gst_filter_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_lavencode_get_type(void) {
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static GType lavencode_type = 0;
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if (!lavencode_type) {
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static const GTypeInfo lavencode_info = {
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sizeof(GstLavEncodeClass), NULL,
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NULL,
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(GClassInitFunc)gst_lavencode_class_init,
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NULL,
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NULL,
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sizeof(GstLavEncode),
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0,
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(GInstanceInitFunc)gst_lavencode_init,
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};
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lavencode_type = g_type_register_static(GST_TYPE_ELEMENT, "GstLavEncode", &lavencode_info, 0);
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}
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return lavencode_type;
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}
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static void
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gst_lavencode_class_init (GstLavEncodeClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
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gstelement_class->change_state = gst_lavencode_change_state;
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gobject_class->set_property = gst_lavencode_set_property;
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gobject_class->get_property = gst_lavencode_get_property;
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}
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static void
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gst_lavencode_newcaps (GstPad *pad, GstCaps *caps)
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{
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GstLavEncode *filter;
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filter = GST_LAVENCODE (gst_pad_get_parent (pad));
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filter->width = gst_caps_get_int (caps, "width");
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filter->height = gst_caps_get_int (caps, "height");
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}
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static void
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gst_lavencode_init (GstLavEncode *filter)
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{
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filter->sinkpad = gst_pad_new_from_template(
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GST_PADTEMPLATE_GET (lavencode_sink_factory), "sink");
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gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
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gst_pad_set_chain_function (filter->sinkpad, gst_lavencode_chain);
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gst_pad_set_newcaps_function (filter->sinkpad, gst_lavencode_newcaps);
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filter->srcpad = gst_pad_new_from_template(
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GST_PADTEMPLATE_GET (lavencode_src_factory), "src");
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gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
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filter->init = TRUE;
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}
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static void
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gst_lavencode_chain (GstPad *pad,GstBuffer *buf)
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{
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GstLavEncode *filter;
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GstBuffer* outbuf;
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gchar *header;
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gint len;
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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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filter = GST_LAVENCODE (gst_pad_get_parent (pad));
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g_return_if_fail(filter != NULL);
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g_return_if_fail(GST_IS_LAVENCODE(filter));
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outbuf = gst_buffer_new ();
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GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (buf) + 256);
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if (filter->init) {
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header = "YUV4MPEG %d %d %d\nFRAME\n";
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filter->init = FALSE;
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}
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else {
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header = "FRAME\n";
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}
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snprintf (GST_BUFFER_DATA (outbuf), 255, header, filter->width, filter->height, 3);
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len = strlen (GST_BUFFER_DATA (outbuf));
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memcpy (GST_BUFFER_DATA (outbuf) + len, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
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GST_BUFFER_SIZE (outbuf) = GST_BUFFER_SIZE (buf) + len;
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gst_buffer_unref(buf);
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gst_pad_push(filter->srcpad,outbuf);
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}
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static void
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gst_lavencode_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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GstLavEncode *filter;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail(GST_IS_LAVENCODE(object));
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filter = GST_LAVENCODE(object);
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switch (prop_id) {
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default:
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break;
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}
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}
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static void
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gst_lavencode_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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GstLavEncode *filter;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail(GST_IS_LAVENCODE(object));
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filter = GST_LAVENCODE(object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static GstElementStateReturn
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gst_lavencode_change_state (GstElement *element)
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{
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GstLavEncode *filter;
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g_return_val_if_fail (GST_IS_LAVENCODE (element), GST_STATE_FAILURE);
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filter = GST_LAVENCODE(element);
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if (GST_STATE_TRANSITION (element) == GST_STATE_NULL_TO_READY) {
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filter->init = TRUE;
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}
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
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return GST_ELEMENT_CLASS (parent_class)->change_state (element);
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return GST_STATE_SUCCESS;
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}
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static gboolean
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plugin_init (GModule *module, GstPlugin *plugin)
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{
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GstElementFactory *factory;
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factory = gst_elementfactory_new("lavencode",GST_TYPE_LAVENCODE,
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&lavencode_details);
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g_return_val_if_fail(factory != NULL, FALSE);
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gst_elementfactory_add_padtemplate (factory,
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GST_PADTEMPLATE_GET (lavencode_src_factory));
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gst_elementfactory_add_padtemplate (factory,
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GST_PADTEMPLATE_GET (lavencode_sink_factory));
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
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return TRUE;
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}
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GstPluginDesc plugin_desc = {
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"lavencode",
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plugin_init
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};
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71
gst/y4m/gsty4mencode.h
Normal file
71
gst/y4m/gsty4mencode.h
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@ -0,0 +1,71 @@
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/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_LAVENCODE_H__
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#define __GST_LAVENCODE_H__
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#include <config.h>
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#include <gst/gst.h>
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// #include <gst/meta/audioraw.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define GST_TYPE_LAVENCODE \
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(gst_lavencode_get_type())
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#define GST_LAVENCODE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LAVENCODE,GstLavEncode))
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#define GST_LAVENCODE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstLavEncode))
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#define GST_IS_LAVENCODE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LAVENCODE))
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#define GST_IS_LAVENCODE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LAVENCODE))
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typedef struct _GstLavEncode GstLavEncode;
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typedef struct _GstLavEncodeClass GstLavEncodeClass;
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struct _GstLavEncode {
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GstElement element;
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GstPad *sinkpad,*srcpad;
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gint width, height;
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gboolean init;
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};
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struct _GstLavEncodeClass {
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GstElementClass parent_class;
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};
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GType gst_lavencode_get_type(void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GST_STEREO_H__ */
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