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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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[MOVED FROM BAD] configure.ac: Enable cdaudio and y4m.
Original commit message from CVS: Patch by: Mark Nauwelaerts <manauw at skynet be> * configure.ac: Enable cdaudio and y4m. * gst/y4m/Makefile.am: * gst/y4m/gsty4mencode.c: (gst_y4m_encode_base_init), (gst_y4m_encode_class_init), (gst_y4m_encode_init), (gst_y4m_encode_reset), (gst_y4m_encode_setcaps), (gst_y4m_encode_get_stream_header), (gst_y4m_encode_get_frame_header), (gst_y4m_encode_chain), (gst_y4m_encode_set_property), (gst_y4m_encode_get_property), (gst_y4m_encode_change_state), (plugin_init): * gst/y4m/gsty4mencode.h: Port of y4mencode to 0.10.
This commit is contained in:
Mark Nauwelaerts
Jan Schmidt
parent
2123ca7806
commit
6104e2480d
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@ -2,8 +2,8 @@
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plugin_LTLIBRARIES = libgsty4menc.la
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libgsty4menc_la_SOURCES = gsty4mencode.c
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libgsty4menc_la_CFLAGS = $(GST_CFLAGS)
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libgsty4menc_la_LIBADD =
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libgsty4menc_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS)
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libgsty4menc_la_LIBADD = $(GST_LIBS)
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libgsty4menc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = gsty4mencode.h
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@ -1,5 +1,6 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2006> Mark Nauwelaerts <mnauw@skynet.be>
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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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@ -17,11 +18,12 @@
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* Boston, MA 02111-1307, USA.
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*/
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/* see mjpegtools/yuv4mpeg.h for yuv4mpeg format */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include <math.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gsty4mencode.h"
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@ -49,61 +51,34 @@ static GstStaticPadTemplate y4mencode_src_factory =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-yuv4mpeg, " "y4mversion = (int) 1")
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GST_STATIC_CAPS ("application/x-yuv4mpeg, " "y4mversion = (int) 2")
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);
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static GstStaticPadTemplate y4mencode_sink_factory =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ IYUV, I420 }"))
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);
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static void gst_y4mencode_base_init (gpointer g_class);
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static void gst_y4mencode_class_init (GstY4mEncodeClass * klass);
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static void gst_y4mencode_init (GstY4mEncode * filter);
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static void gst_y4mencode_set_property (GObject * object,
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static void gst_y4m_encode_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_y4mencode_get_property (GObject * object,
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static void gst_y4m_encode_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_y4mencode_chain (GstPad * pad, GstData * _data);
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static GstStateChangeReturn gst_y4mencode_change_state (GstElement * element,
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static void gst_y4m_encode_reset (GstY4mEncode * filter);
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static gboolean gst_y4m_encode_setcaps (GstPad * pad, GstCaps * vscaps);
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static GstFlowReturn gst_y4m_encode_chain (GstPad * pad, GstBuffer * buf);
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static GstStateChangeReturn gst_y4m_encode_change_state (GstElement * element,
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GstStateChange transition);
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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_y4mencode_get_type (void)
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{
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static GType y4mencode_type = 0;
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if (!y4mencode_type) {
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static const GTypeInfo y4mencode_info = {
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sizeof (GstY4mEncodeClass),
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gst_y4mencode_base_init,
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NULL,
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(GClassInitFunc) gst_y4mencode_class_init,
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NULL,
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NULL,
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sizeof (GstY4mEncode),
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0,
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(GInstanceInitFunc) gst_y4mencode_init,
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};
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y4mencode_type = g_type_register_static (GST_TYPE_ELEMENT,
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"GstY4mEncode", &y4mencode_info, 0);
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}
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return y4mencode_type;
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}
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GST_BOILERPLATE (GstY4mEncode, gst_y4m_encode, GstElement, GST_TYPE_ELEMENT);
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static void
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gst_y4mencode_base_init (gpointer g_class)
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gst_y4m_encode_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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@ -113,8 +88,9 @@ gst_y4mencode_base_init (gpointer g_class)
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gst_static_pad_template_get (&y4mencode_sink_factory));
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gst_element_class_set_details (element_class, &y4mencode_details);
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}
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static void
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gst_y4mencode_class_init (GstY4mEncodeClass * klass)
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gst_y4m_encode_class_init (GstY4mEncodeClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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@ -122,120 +98,153 @@ gst_y4mencode_class_init (GstY4mEncodeClass * klass)
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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_peek_parent (klass);
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_y4m_encode_change_state);
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gstelement_class->change_state = gst_y4mencode_change_state;
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gobject_class->set_property = gst_y4mencode_set_property;
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gobject_class->get_property = gst_y4mencode_get_property;
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}
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static GstPadLinkReturn
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gst_y4mencode_sinkconnect (GstPad * pad, const GstCaps * caps)
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{
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GstY4mEncode *filter;
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gint idx = -1, i;
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gdouble fps;
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gdouble framerates[] = {
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00.000,
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24000 / 1001., 24.000, /* 24fps movie */
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25.000, /* PAL */
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30000 / 1001., 30.000, /* NTSC */
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50.000,
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60000 / 1001., 60.000
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};
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GstStructure *structure;
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filter = GST_Y4MENCODE (gst_pad_get_parent (pad));
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structure = gst_caps_get_structure (caps, 0);
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if (!gst_structure_get_int (structure, "width", &filter->width) ||
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!gst_structure_get_int (structure, "height", &filter->height) ||
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!gst_structure_get_double (structure, "framerate", &fps))
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return GST_PAD_LINK_REFUSED;
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/* find fps idx */
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idx = 0;
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for (i = 1; i < 9; i++) {
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gdouble old_diff = fabs (framerates[idx] - fps),
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new_diff = fabs (framerates[i] - fps);
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if (new_diff < old_diff) {
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idx = i;
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}
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}
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filter->fps_idx = idx;
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return GST_PAD_LINK_OK;
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gobject_class->set_property = gst_y4m_encode_set_property;
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gobject_class->get_property = gst_y4m_encode_get_property;
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}
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static void
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gst_y4mencode_init (GstY4mEncode * filter)
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gst_y4m_encode_init (GstY4mEncode * filter, GstY4mEncodeClass * klass)
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{
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filter->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&y4mencode_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_y4mencode_chain);
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gst_pad_set_link_function (filter->sinkpad, gst_y4mencode_sinkconnect);
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gst_pad_set_chain_function (filter->sinkpad,
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GST_DEBUG_FUNCPTR (gst_y4m_encode_chain));
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gst_pad_set_setcaps_function (filter->sinkpad,
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GST_DEBUG_FUNCPTR (gst_y4m_encode_setcaps));
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filter->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&y4mencode_src_factory), "src");
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gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
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gst_pad_use_fixed_caps (filter->srcpad);
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filter->init = TRUE;
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/* init properties */
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gst_y4m_encode_reset (filter);
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}
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static void
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gst_y4mencode_chain (GstPad * pad, GstData * _data)
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gst_y4m_encode_reset (GstY4mEncode * filter)
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{
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filter->width = filter->height = -1;
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filter->fps_num = filter->fps_den = 1;
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filter->par_num = filter->par_den = 1;
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}
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static gboolean
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gst_y4m_encode_setcaps (GstPad * pad, GstCaps * vscaps)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstY4mEncode *filter;
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GstBuffer *outbuf;
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gchar *header;
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gint len;
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GstStructure *structure;
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gint w, h;
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const GValue *fps, *par;
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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_Y4M_ENCODE (GST_PAD_PARENT (pad));
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filter = GST_Y4MENCODE (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_Y4MENCODE (filter));
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structure = gst_caps_get_structure (vscaps, 0);
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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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g_return_val_if_fail (gst_structure_get_int (structure, "width", &w), FALSE);
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g_return_val_if_fail (gst_structure_get_int (structure, "height", &h), FALSE);
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fps = gst_structure_get_value (structure, "framerate");
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g_return_val_if_fail (w > 0 && h > 0
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&& fps != NULL && GST_VALUE_HOLDS_FRACTION (fps), FALSE);
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/* optional par info */
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par = gst_structure_get_value (structure, "pixel-aspect-ratio");
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if (filter->init) {
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header = "YUV4MPEG W%d H%d I? %d\nFRAME\n";
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filter->init = FALSE;
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} else {
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header = "FRAME\n";
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filter->width = w;
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filter->height = h;
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filter->fps_num = gst_value_get_fraction_numerator (fps);
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filter->fps_den = gst_value_get_fraction_denominator (fps);
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if ((par != NULL) && GST_VALUE_HOLDS_FRACTION (par)) {
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filter->par_num = gst_value_get_fraction_numerator (par);
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filter->par_den = gst_value_get_fraction_denominator (par);
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} else { /* indicates unknown */
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filter->par_num = 0;
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filter->par_den = 0;
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}
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snprintf (GST_BUFFER_DATA (outbuf), 255, header,
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filter->width, filter->height, filter->fps_idx);
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len = strlen (GST_BUFFER_DATA (outbuf));
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/* the template caps will do for the src pad, should always accept */
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return gst_pad_set_caps (filter->srcpad,
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gst_caps_copy (gst_pad_get_pad_template_caps (filter->srcpad)));
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}
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memcpy (GST_BUFFER_DATA (outbuf) + len, GST_BUFFER_DATA (buf),
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GST_BUFFER_SIZE (buf));
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GST_BUFFER_SIZE (outbuf) = GST_BUFFER_SIZE (buf) + len;
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static inline GstBuffer *
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gst_y4m_encode_get_stream_header (GstY4mEncode * filter)
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{
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gpointer header;
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GstBuffer *buf;
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gst_buffer_unref (buf);
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header = g_strdup_printf ("YUV4MPEG2 W%d H%d I? F%d:%d A%d:%d\n",
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filter->width, filter->height,
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filter->fps_num, filter->fps_den, filter->par_num, filter->par_den);
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gst_pad_push (filter->srcpad, GST_DATA (outbuf));
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buf = gst_buffer_new ();
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gst_buffer_set_data (buf, header, strlen (header));
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/* so it gets free'd when needed */
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GST_BUFFER_MALLOCDATA (buf) = header;
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return buf;
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}
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static inline GstBuffer *
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gst_y4m_encode_get_frame_header (GstY4mEncode * filter)
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{
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gpointer header;
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GstBuffer *buf;
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header = g_strdup_printf ("FRAME\n");
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buf = gst_buffer_new ();
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gst_buffer_set_data (buf, header, strlen (header));
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/* so it gets free'd when needed */
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GST_BUFFER_MALLOCDATA (buf) = header;
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return buf;
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}
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static GstFlowReturn
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gst_y4m_encode_chain (GstPad * pad, GstBuffer * buf)
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{
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GstY4mEncode *filter = GST_Y4M_ENCODE (GST_PAD_PARENT (pad));
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GstBuffer *outbuf;
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/* check we got some decent info from caps */
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if (filter->width < 0) {
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GST_ELEMENT_ERROR ("filter", CORE, NEGOTIATION, (NULL),
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("format wasn't negotiated before chain function"));
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gst_buffer_unref (buf);
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return GST_FLOW_NOT_NEGOTIATED;
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}
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if (G_UNLIKELY (!filter->header)) {
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outbuf = gst_y4m_encode_get_stream_header (filter);
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filter->header = TRUE;
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outbuf = gst_buffer_join (outbuf, gst_y4m_encode_get_frame_header (filter));
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} else {
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outbuf = gst_y4m_encode_get_frame_header (filter);
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}
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/* join with data */
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outbuf = gst_buffer_join (outbuf, buf);
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/* decorate */
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gst_buffer_make_metadata_writable (outbuf);
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gst_buffer_set_caps (outbuf, GST_PAD_CAPS (filter->srcpad));
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/* strip to avoid sink dropping on time-base, decorate and send */
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GST_BUFFER_TIMESTAMP (outbuf) = GST_CLOCK_TIME_NONE;
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return gst_pad_push (filter->srcpad, outbuf);
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}
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static void
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gst_y4mencode_set_property (GObject * object, guint prop_id,
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gst_y4m_encode_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstY4mEncode *filter;
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g_return_if_fail (GST_IS_Y4MENCODE (object));
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filter = GST_Y4MENCODE (object);
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g_return_if_fail (GST_IS_Y4M_ENCODE (object));
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filter = GST_Y4M_ENCODE (object);
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switch (prop_id) {
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default:
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@ -244,13 +253,13 @@ gst_y4mencode_set_property (GObject * object, guint prop_id,
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}
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static void
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gst_y4mencode_get_property (GObject * object, guint prop_id, GValue * value,
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gst_y4m_encode_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstY4mEncode *filter;
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g_return_if_fail (GST_IS_Y4MENCODE (object));
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filter = GST_Y4MENCODE (object);
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g_return_if_fail (GST_IS_Y4M_ENCODE (object));
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filter = GST_Y4M_ENCODE (object);
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switch (prop_id) {
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default:
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@ -260,20 +269,31 @@ gst_y4mencode_get_property (GObject * object, guint prop_id, GValue * value,
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}
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static GstStateChangeReturn
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gst_y4mencode_change_state (GstElement * element, GstStateChange transition)
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gst_y4m_encode_change_state (GstElement * element, GstStateChange transition)
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{
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GstY4mEncode *filter;
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GstY4mEncode *filter = GST_Y4M_ENCODE (element);
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GstStateChangeReturn ret;
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g_return_val_if_fail (GST_IS_Y4MENCODE (element), GST_STATE_CHANGE_FAILURE);
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filter = GST_Y4MENCODE (element);
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if (transition == GST_STATE_CHANGE_NULL_TO_READY) {
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filter->init = TRUE;
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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break;
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default:
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break;
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}
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||
ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
|
||||
(element, transition), GST_STATE_CHANGE_SUCCESS);
|
||||
if (ret != GST_STATE_CHANGE_SUCCESS)
|
||||
return ret;
|
||||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
||||
gst_y4m_encode_reset (filter);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return GST_STATE_CHANGE_SUCCESS;
|
||||
}
|
||||
|
|
@ -282,7 +302,7 @@ static gboolean
|
|||
plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "y4menc", GST_RANK_NONE,
|
||||
GST_TYPE_Y4MENCODE);
|
||||
GST_TYPE_Y4M_ENCODE);
|
||||
}
|
||||
|
||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||
|
|
|
|||
|
|
@ -23,26 +23,21 @@
|
|||
|
||||
|
||||
#include <gst/gst.h>
|
||||
/* #include <gst/meta/audioraw.h> */
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#define GST_TYPE_Y4MENCODE \
|
||||
(gst_y4mencode_get_type())
|
||||
#define GST_Y4MENCODE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_Y4MENCODE,GstY4mEncode))
|
||||
#define GST_Y4MENCODE_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_Y4MENCODE,GstY4mEncodeClass))
|
||||
#define GST_Y4MENCODE_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_Y4MENCODE,GstY4mEncodeClass))
|
||||
#define GST_IS_Y4MENCODE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_Y4MENCODE))
|
||||
#define GST_IS_Y4MENCODE_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_Y4MENCODE))
|
||||
#define GST_TYPE_Y4M_ENCODE \
|
||||
(gst_y4m_encode_get_type())
|
||||
#define GST_Y4M_ENCODE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_Y4M_ENCODE, GstY4mEncode))
|
||||
#define GST_Y4M_ENCODE_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_Y4M_ENCODE, GstY4mEncodeClass))
|
||||
#define GST_Y4M_ENCODE_GET_CLASS(obj) \
|
||||
(G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_Y4M_ENCODE, GstY4mEncodeClass))
|
||||
#define GST_IS_Y4M_ENCODE(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_Y4M_ENCODE))
|
||||
#define GST_IS_Y4M_ENCODE_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_Y4M_ENCODE))
|
||||
|
||||
typedef struct _GstY4mEncode GstY4mEncode;
|
||||
typedef struct _GstY4mEncodeClass GstY4mEncodeClass;
|
||||
|
|
@ -52,22 +47,21 @@ struct _GstY4mEncode {
|
|||
|
||||
GstPad *sinkpad,*srcpad;
|
||||
|
||||
/* caps information */
|
||||
gint width, height;
|
||||
gfloat fps_idx;
|
||||
|
||||
gboolean init;
|
||||
gint fps_num, fps_den;
|
||||
gint par_num, par_den;
|
||||
|
||||
/* state information */
|
||||
gboolean header;
|
||||
};
|
||||
|
||||
struct _GstY4mEncodeClass {
|
||||
GstElementClass parent_class;
|
||||
};
|
||||
|
||||
GType gst_y4mencode_get_type(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
GType gst_y4m_encode_get_type(void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_Y4MENCODE_H__ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue