mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 20:21:24 +00:00
remove stuff
Original commit message from CVS: remove stuff
This commit is contained in:
Thomas Vander Stichele
parent
471b4b748b
commit
7ab3e4f2d6
4 changed files with 0 additions and 478 deletions
7
gst/dvdlpcmdec/.gitignore
vendored
7
gst/dvdlpcmdec/.gitignore
vendored
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@ -1,7 +0,0 @@
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Makefile
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Makefile.in
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*.o
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*.lo
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*.la
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.deps
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.libs
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@ -1,9 +0,0 @@
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plugin_LTLIBRARIES = libgstdvdlpcmdec.la
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libgstdvdlpcmdec_la_SOURCES = gstdvdlpcmdec.c
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libgstdvdlpcmdec_la_CFLAGS = $(GST_CFLAGS)
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libgstdvdlpcmdec_la_LIBADD =
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libgstdvdlpcmdec_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = gstdvdlpcmdec.h
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@ -1,396 +0,0 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2005> Jan Schmidt <jan@noraisin.net>
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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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/* Element-Checklist-Version: TODO */
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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 <stdlib.h>
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#include <string.h>
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#include "gstdvdlpcmdec.h"
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#include <gst/audio/audio.h>
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GST_DEBUG_CATEGORY_STATIC (dvdlpcm_debug);
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#define GST_CAT_DEFAULT dvdlpcm_debug
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/* elementfactory information */
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static GstElementDetails gst_dvdlpcmdec_details =
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GST_ELEMENT_DETAILS ("DVD LPCM Audio decoder",
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"Codec/Demuxer/Audio",
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"Decode DVD LPCM frames into standard PCM audio",
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"Jan Schmidt <jan@noraisin.net>");
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static GstStaticPadTemplate gst_dvdlpcmdec_sink_template =
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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 ("audio/x-dvd-lpcm, "
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"width = (int) { 16, 20, 24 }, "
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"rate = (int) { 48000, 96000 }, "
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"channels = (int) [ 1, 8 ], "
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"dynamic_range = (int) [ 0, 255 ], "
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"emphasis = (boolean) { TRUE, FALSE }, "
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"mute = (boolean) { TRUE, FALSE }")
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);
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static GstStaticPadTemplate gst_dvdlpcmdec_src_template =
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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 (GST_AUDIO_INT_PAD_TEMPLATE_CAPS)
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);
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/* DvdLpcmDec signals and args */
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enum
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{
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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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{
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ARG_0
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/* FILL ME */
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};
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static void gst_dvdlpcmdec_base_init (gpointer g_class);
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static void gst_dvdlpcmdec_class_init (GstDvdLpcmDecClass * klass);
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static void gst_dvdlpcmdec_init (GstDvdLpcmDec * dvdlpcmdec);
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static void gst_dvdlpcmdec_chain (GstPad * pad, GstData * _data);
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static GstPadLinkReturn gst_dvdlpcmdec_link (GstPad * pad,
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const GstCaps * caps);
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static GstElementStateReturn gst_dvdlpcmdec_change_state (GstElement * element);
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static GstElementClass *parent_class = NULL;
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GType
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gst_dvdlpcmdec_get_type (void)
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{
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static GType dvdlpcmdec_type = 0;
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if (!dvdlpcmdec_type) {
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static const GTypeInfo dvdlpcmdec_info = {
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sizeof (GstDvdLpcmDecClass),
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gst_dvdlpcmdec_base_init,
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NULL,
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(GClassInitFunc) gst_dvdlpcmdec_class_init,
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NULL,
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NULL,
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sizeof (GstDvdLpcmDec),
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0,
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(GInstanceInitFunc) gst_dvdlpcmdec_init,
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};
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dvdlpcmdec_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstDvdLpcmDec",
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&dvdlpcmdec_info, 0);
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}
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return dvdlpcmdec_type;
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}
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static void
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gst_dvdlpcmdec_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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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_dvdlpcmdec_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_dvdlpcmdec_src_template));
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gst_element_class_set_details (element_class, &gst_dvdlpcmdec_details);
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}
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static void
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gst_dvdlpcmdec_class_init (GstDvdLpcmDecClass * klass)
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{
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GstElementClass *gstelement_class;
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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_dvdlpcmdec_change_state;
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}
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static void
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gst_dvdlpcm_reset (GstDvdLpcmDec * dvdlpcmdec)
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{
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dvdlpcmdec->rate = 0;
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dvdlpcmdec->channels = 0;
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dvdlpcmdec->width = 0;
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dvdlpcmdec->out_width = 0;
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dvdlpcmdec->dynamic_range = 0;
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dvdlpcmdec->emphasis = FALSE;
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dvdlpcmdec->mute = FALSE;
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dvdlpcmdec->offset = 0;
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gst_pad_set_explicit_caps (dvdlpcmdec->srcpad, NULL);
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}
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static void
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gst_dvdlpcmdec_init (GstDvdLpcmDec * dvdlpcmdec)
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{
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dvdlpcmdec->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_dvdlpcmdec_sink_template), "sink");
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gst_pad_set_link_function (dvdlpcmdec->sinkpad, gst_dvdlpcmdec_link);
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gst_pad_set_chain_function (dvdlpcmdec->sinkpad, gst_dvdlpcmdec_chain);
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gst_element_add_pad (GST_ELEMENT (dvdlpcmdec), dvdlpcmdec->sinkpad);
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dvdlpcmdec->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_dvdlpcmdec_src_template), "src");
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gst_pad_use_explicit_caps (dvdlpcmdec->srcpad);
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gst_element_add_pad (GST_ELEMENT (dvdlpcmdec), dvdlpcmdec->srcpad);
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gst_dvdlpcm_reset (dvdlpcmdec);
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}
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static GstPadLinkReturn
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gst_dvdlpcmdec_link (GstPad * pad, const GstCaps * caps)
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{
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GstStructure *structure;
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gboolean res = TRUE;
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GstDvdLpcmDec *dvdlpcmdec;
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GstCaps *src_caps;
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g_return_val_if_fail (caps != NULL, GST_PAD_LINK_REFUSED);
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g_return_val_if_fail (pad != NULL, GST_PAD_LINK_REFUSED);
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dvdlpcmdec = GST_DVDLPCMDEC (gst_pad_get_parent (pad));
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structure = gst_caps_get_structure (caps, 0);
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res &= gst_structure_get_int (structure, "rate", &dvdlpcmdec->rate);
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res &= gst_structure_get_int (structure, "channels", &dvdlpcmdec->channels);
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res &= gst_structure_get_int (structure, "width", &dvdlpcmdec->width);
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res &= gst_structure_get_int (structure, "dynamic_range",
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&dvdlpcmdec->dynamic_range);
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res &= gst_structure_get_boolean (structure, "emphasis",
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&dvdlpcmdec->emphasis);
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res &= gst_structure_get_boolean (structure, "mute", &dvdlpcmdec->mute);
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if (!res)
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return GST_PAD_LINK_REFUSED;
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/* Output width is the input width rounded up to the nearest byte */
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if (dvdlpcmdec->width == 20)
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dvdlpcmdec->out_width = 24;
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else
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dvdlpcmdec->out_width = dvdlpcmdec->width;
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/* Build explicit caps to set on the src pad */
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src_caps = gst_caps_new_simple ("audio/x-raw-int",
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"rate", G_TYPE_INT, dvdlpcmdec->rate,
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"channels", G_TYPE_INT, dvdlpcmdec->channels,
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"endianness", G_TYPE_INT, G_BIG_ENDIAN,
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"depth", G_TYPE_INT, dvdlpcmdec->out_width,
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"width", G_TYPE_INT, dvdlpcmdec->out_width,
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"signed", G_TYPE_BOOLEAN, TRUE, NULL);
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GST_DEBUG_OBJECT (dvdlpcmdec, "Set rate %d, channels %d, width %d (out %d)",
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dvdlpcmdec->rate, dvdlpcmdec->channels, dvdlpcmdec->width,
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dvdlpcmdec->out_width);
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if (!gst_pad_set_explicit_caps (dvdlpcmdec->srcpad, src_caps))
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res = FALSE;
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gst_caps_free (src_caps);
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if (!res)
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return GST_PAD_LINK_REFUSED;
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return GST_PAD_LINK_OK;
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}
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static void
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gst_dvdlpcmdec_chain (GstPad * pad, GstData * _data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstDvdLpcmDec *dvdlpcmdec;
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gint64 size;
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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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dvdlpcmdec = GST_DVDLPCMDEC (gst_pad_get_parent (pad));
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size = GST_BUFFER_SIZE (buf);
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GST_LOG_OBJECT (dvdlpcmdec, "got buffer %p of size %" G_GINT64_FORMAT, buf,
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size);
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if (dvdlpcmdec->rate == 0) {
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GST_ELEMENT_ERROR (dvdlpcmdec, STREAM, FORMAT, (NULL),
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("Buffer pushed before negotiation"));
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gst_buffer_unref (buf);
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return;
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}
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if (!GST_PAD_IS_USABLE (dvdlpcmdec->srcpad)) {
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GST_DEBUG_OBJECT (dvdlpcmdec, "Discarding buffer on disabled pad");
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gst_buffer_unref (buf);
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return;
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}
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/* We don't currently do anything at all regarding emphasis, mute or
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* dynamic_range - I'm not sure what they're for */
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switch (dvdlpcmdec->width) {
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case 16:
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{
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/* We can just pass 16-bits straight through intact */
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dvdlpcmdec->offset += GST_BUFFER_SIZE (buf);
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gst_pad_push (dvdlpcmdec->srcpad, GST_DATA (buf));
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return;
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}
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case 20:
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{
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/* Allocate a new buffer and copy 20-bit width to 24-bit */
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gint64 samples = size * 8 / 20;
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gint64 count = size / 10;
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gint64 i;
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guchar *src;
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guchar *dest;
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GstBuffer *outbuf;
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if (count * 10 != samples * 3) {
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g_print ("bleh\n");
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}
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outbuf = gst_pad_alloc_buffer (dvdlpcmdec->srcpad, dvdlpcmdec->offset,
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samples * 3);
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if (!outbuf) {
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GST_ELEMENT_ERROR (dvdlpcmdec, RESOURCE, FAILED, (NULL),
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("Buffer allocation failed"));
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gst_buffer_unref (buf);
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return;
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}
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gst_buffer_stamp (outbuf, buf);
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src = GST_BUFFER_DATA (buf);;
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dest = GST_BUFFER_DATA (outbuf);
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/* Copy 20-bit LPCM format to 24-bit buffers, with 0x00 in the lowest
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* nibble. Not that the first 2 bytes are already correct */
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for (i = 0; i < count; i++) {
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dest[0] = src[0];
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dest[1] = src[1];
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dest[2] = src[8] & 0xf0;
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dest[3] = src[2];
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dest[4] = src[3];
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dest[5] = (src[8] & 0x0f) << 4;
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dest[6] = src[4];
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dest[7] = src[5];
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dest[8] = src[9] & 0x0f;
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dest[9] = src[6];
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dest[10] = src[7];
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dest[11] = (src[9] & 0x0f) << 4;
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src += 10;
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dest += 12;
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}
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gst_buffer_unref (buf);
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dvdlpcmdec->offset += GST_BUFFER_SIZE (outbuf);
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gst_pad_push (dvdlpcmdec->srcpad, GST_DATA (outbuf));
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return;
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}
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case 24:
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{
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/* Rearrange 24-bit LPCM format in-place. Note that the first 2
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* and last byte are already correct */
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gint64 count = size / 12;
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gint64 i;
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guchar *src;
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/* Ensure our output buffer is writable */
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buf = gst_buffer_copy_on_write (buf);
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src = GST_BUFFER_DATA (buf);
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for (i = 0; i < count; i++) {
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guchar temp[9];
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temp[0] = src[8];
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temp[1] = src[2];
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temp[2] = src[3];
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temp[3] = src[9];
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temp[4] = src[4];
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temp[5] = src[5];
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temp[6] = src[10];
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temp[7] = src[6];
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temp[8] = src[7];
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memcpy (src + 2, temp, 9);
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src += 12;
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}
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|
|
||||||
dvdlpcmdec->offset += GST_BUFFER_SIZE (buf);
|
|
||||||
gst_pad_push (dvdlpcmdec->srcpad, GST_DATA (buf));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
default:
|
|
||||||
GST_ELEMENT_ERROR (dvdlpcmdec, STREAM, WRONG_TYPE, (NULL),
|
|
||||||
("Invalid sample width configured"));
|
|
||||||
}
|
|
||||||
|
|
||||||
gst_buffer_unref (buf);
|
|
||||||
}
|
|
||||||
|
|
||||||
static GstElementStateReturn
|
|
||||||
gst_dvdlpcmdec_change_state (GstElement * element)
|
|
||||||
{
|
|
||||||
GstDvdLpcmDec *dvdlpcmdec = GST_DVDLPCMDEC (element);
|
|
||||||
|
|
||||||
switch (GST_STATE_TRANSITION (element)) {
|
|
||||||
case GST_STATE_PAUSED_TO_READY:
|
|
||||||
gst_dvdlpcm_reset (dvdlpcmdec);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (parent_class->change_state)
|
|
||||||
return parent_class->change_state (element);
|
|
||||||
|
|
||||||
return GST_STATE_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
plugin_init (GstPlugin * plugin)
|
|
||||||
{
|
|
||||||
GST_DEBUG_CATEGORY_INIT (dvdlpcm_debug, "dvdlpcmdec", 0, "DVD LPCM Decoder");
|
|
||||||
|
|
||||||
if (!gst_element_register (plugin, "dvdlpcmdec", GST_RANK_PRIMARY,
|
|
||||||
GST_TYPE_DVDLPCMDEC)) {
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
||||||
GST_VERSION_MINOR,
|
|
||||||
"dvdlpcmdec",
|
|
||||||
"Decode DVD LPCM frames into standard PCM",
|
|
||||||
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
|
|
||||||
|
|
@ -1,66 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
||||||
* Copyright (C) <2005> Jan Schmidt <jan@noraisin.net>
|
|
||||||
*
|
|
||||||
* 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_DVDLPCMDEC_H__
|
|
||||||
#define __GST_DVDLPCMDEC_H__
|
|
||||||
|
|
||||||
#include <gst/gst.h>
|
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
|
||||||
|
|
||||||
#define GST_TYPE_DVDLPCMDEC \
|
|
||||||
(gst_dvdlpcmdec_get_type())
|
|
||||||
#define GST_DVDLPCMDEC(obj) \
|
|
||||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVDLPCMDEC,GstDvdLpcmDec))
|
|
||||||
#define GST_DVDLPCMDEC_CLASS(klass) \
|
|
||||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVDLPCMDEC,GstDvdLpcmDec))
|
|
||||||
#define GST_IS_DVDLPCMDEC(obj) \
|
|
||||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVDLPCMDEC))
|
|
||||||
#define GST_IS_DVDLPCMDEC_CLASS(obj) \
|
|
||||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVDLPCMDEC))
|
|
||||||
|
|
||||||
typedef struct _GstDvdLpcmDec GstDvdLpcmDec;
|
|
||||||
typedef struct _GstDvdLpcmDecClass GstDvdLpcmDecClass;
|
|
||||||
|
|
||||||
struct _GstDvdLpcmDec {
|
|
||||||
GstElement element;
|
|
||||||
|
|
||||||
GstPad *sinkpad,*srcpad;
|
|
||||||
|
|
||||||
guint rate;
|
|
||||||
guint channels;
|
|
||||||
guint width;
|
|
||||||
guint out_width;
|
|
||||||
guint dynamic_range;
|
|
||||||
guint emphasis;
|
|
||||||
guint mute;
|
|
||||||
|
|
||||||
guint64 offset;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct _GstDvdLpcmDecClass {
|
|
||||||
GstElementClass parent_class;
|
|
||||||
};
|
|
||||||
|
|
||||||
GType gst_dvdlpcmdec_get_type (void);
|
|
||||||
|
|
||||||
G_END_DECLS
|
|
||||||
|
|
||||||
#endif /* __GST_DVDLPCMDEC_H__ */
|
|
||||||
Loading…
Reference in a new issue