mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 22:36:33 +00:00
b8a18741d8
Original commit message from CVS: * ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_init): * ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_init): * ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_init): * ext/audioresample/gstaudioresample.c: * ext/bz2/gstbz2dec.c: (gst_bz2dec_init): * ext/bz2/gstbz2enc.c: (gst_bz2enc_init): * ext/divx/gstdivxdec.c: (gst_divxdec_init): * ext/divx/gstdivxenc.c: (gst_divxenc_init): * ext/faac/gstfaac.c: (gst_faac_init): * ext/gsm/gstgsmdec.c: (gst_gsmdec_init): * ext/gsm/gstgsmenc.c: (gst_gsmenc_init): * ext/hermes/gsthermescolorspace.c: (gst_hermes_colorspace_init): * ext/lcs/gstcolorspace.c: (gst_colorspace_init): * ext/libfame/gstlibfame.c: (gst_fameenc_init): * ext/snapshot/gstsnapshot.c: (gst_snapshot_init): * ext/spc/gstspc.c: (gst_spc_dec_init): * ext/swfdec/gstswfdec.c: (gst_swfdec_init): * ext/xvid/gstxvidenc.c: (gst_xvidenc_init): * gst/cdxaparse/gstcdxaparse.c: (gst_cdxa_parse_init): * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_init): * gst/chart/gstchart.c: (gst_chart_init): * gst/colorspace/gstcolorspace.c: (gst_colorspace_init): * gst/festival/gstfestival.c: (gst_festival_init): * gst/freeze/gstfreeze.c: (gst_freeze_init): * gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_request_new_pad): * gst/mpeg1sys/gstmpeg1systemencode.c: (gst_system_encode_init): * gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_init): * gst/nsf/gstnsf.c: (gst_nsfdec_init): * gst/overlay/gstoverlay.c: (gst_overlay_init): * gst/passthrough/gstpassthrough.c: (passthrough_init): * gst/playondemand/gstplayondemand.c: (play_on_demand_init): * gst/smooth/gstsmooth.c: (gst_smooth_init): * gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_init): * gst/speed/gstspeed.c: (speed_init): * gst/vbidec/gstvbidec.c: (gst_vbidec_init): * gst/videodrop/gstvideodrop.c: (gst_videodrop_init): * sys/dxr3/dxr3spusink.c: (dxr3spusink_init): * sys/dxr3/dxr3videosink.c: (dxr3videosink_init): * sys/qcam/gstqcamsrc.c: (gst_qcamsrc_init): Fix leaks.
341 lines
9 KiB
C
341 lines
9 KiB
C
/* Copyright (C) 2004-2005 Michael Pyne <michael dot pyne at kdemail net>
|
|
* Copyright (C) 2004-2006 Chris Lee <clee at kde org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstspc.h"
|
|
|
|
#include <string.h>
|
|
|
|
static const GstElementDetails gst_spc_dec_details =
|
|
GST_ELEMENT_DETAILS ("OpenSPC SPC decoder",
|
|
"Codec/Audio/Decoder",
|
|
"Uses OpenSPC to emulate an SPC processor",
|
|
"Chris Lee <clee@kde.org>");
|
|
|
|
static GstStaticPadTemplate sink_factory =
|
|
GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("audio/x-spc"));
|
|
|
|
static GstStaticPadTemplate src_factory =
|
|
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("audio/x-raw-int, "
|
|
"endianness = (int) BYTE_ORDER, "
|
|
"signed = (boolean) TRUE, "
|
|
"width = (int) 16, "
|
|
"depth = (int) 16, " "rate = (int) 32000, " "channels = (int) 2"));
|
|
|
|
GST_BOILERPLATE (GstSpcDec, gst_spc_dec, GstElement, GST_TYPE_ELEMENT);
|
|
|
|
static GstFlowReturn gst_spc_dec_chain (GstPad * pad, GstBuffer * buffer);
|
|
static gboolean gst_spc_dec_sink_event (GstPad * pad, GstEvent * event);
|
|
static gboolean gst_spc_dec_src_event (GstPad * pad, GstEvent * event);
|
|
static gboolean gst_spc_dec_src_query (GstPad * pad, GstQuery * query);
|
|
static GstStateChangeReturn gst_spc_dec_change_state (GstElement * element,
|
|
GstStateChange transition);
|
|
static void spc_play (GstPad * pad);
|
|
static gboolean spc_setup (GstSpcDec * spc);
|
|
|
|
static gboolean
|
|
spc_negotiate (GstSpcDec * spc)
|
|
{
|
|
GstCaps *allowed, *caps;
|
|
GstStructure *structure;
|
|
gint width = 16, depth = 16;
|
|
gboolean sign;
|
|
int rate = 32000;
|
|
int channels = 2;
|
|
|
|
allowed = gst_pad_get_allowed_caps (spc->srcpad);
|
|
if (!allowed) {
|
|
GST_DEBUG_OBJECT (spc, "couldn't get allowed caps");
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (spc, "allowed caps: %" GST_PTR_FORMAT, allowed);
|
|
|
|
structure = gst_caps_get_structure (allowed, 0);
|
|
gst_structure_get_int (structure, "width", &width);
|
|
gst_structure_get_int (structure, "depth", &depth);
|
|
|
|
if (width && depth && width != depth) {
|
|
GST_DEBUG_OBJECT (spc, "width %d and depth %d are different", width, depth);
|
|
gst_caps_unref (allowed);
|
|
return FALSE;
|
|
}
|
|
|
|
gst_structure_get_boolean (structure, "signed", &sign);
|
|
gst_structure_get_int (structure, "rate", &rate);
|
|
gst_structure_get_int (structure, "channels", &channels);
|
|
|
|
caps = gst_caps_new_simple ("audio/x-raw-int",
|
|
"endianness", G_TYPE_INT, G_BYTE_ORDER,
|
|
"signed", G_TYPE_BOOLEAN, TRUE,
|
|
"width", G_TYPE_INT, width,
|
|
"depth", G_TYPE_INT, depth,
|
|
"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, channels, NULL);
|
|
gst_pad_set_caps (spc->srcpad, caps);
|
|
|
|
gst_caps_unref (caps);
|
|
gst_caps_unref (allowed);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_spc_dec_base_init (gpointer g_class)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
gst_element_class_set_details (element_class, &gst_spc_dec_details);
|
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&sink_factory));
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&src_factory));
|
|
}
|
|
|
|
static void
|
|
gst_spc_dec_class_init (GstSpcDecClass * klass)
|
|
{
|
|
GstElementClass *element_class = (GstElementClass *) klass;
|
|
|
|
element_class->change_state = GST_DEBUG_FUNCPTR (gst_spc_dec_change_state);
|
|
}
|
|
|
|
static void
|
|
gst_spc_dec_init (GstSpcDec * spc, GstSpcDecClass * klass)
|
|
{
|
|
spc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
|
|
gst_pad_set_query_function (spc->sinkpad, NULL);
|
|
gst_pad_set_event_function (spc->sinkpad, gst_spc_dec_sink_event);
|
|
gst_pad_set_chain_function (spc->sinkpad, gst_spc_dec_chain);
|
|
gst_element_add_pad (GST_ELEMENT (spc), spc->sinkpad);
|
|
|
|
spc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
|
|
gst_pad_set_event_function (spc->srcpad, gst_spc_dec_src_event);
|
|
gst_pad_set_query_function (spc->srcpad, gst_spc_dec_src_query);
|
|
gst_pad_use_fixed_caps (spc->srcpad);
|
|
gst_element_add_pad (GST_ELEMENT (spc), spc->srcpad);
|
|
|
|
spc->buf = NULL;
|
|
spc->initialized = FALSE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_spc_dec_chain (GstPad * pad, GstBuffer * buffer)
|
|
{
|
|
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
|
|
|
|
if (spc->buf) {
|
|
spc->buf = gst_buffer_join (spc->buf, buffer);
|
|
} else {
|
|
spc->buf = buffer;
|
|
}
|
|
|
|
gst_object_unref (spc);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static gboolean
|
|
gst_spc_dec_sink_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
|
|
gboolean result;
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_EOS:
|
|
result = spc_setup (spc);
|
|
break;
|
|
case GST_EVENT_NEWSEGMENT:
|
|
result = FALSE;
|
|
break;
|
|
default:
|
|
result = FALSE;
|
|
break;
|
|
}
|
|
|
|
gst_event_unref (event);
|
|
gst_object_unref (spc);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
|
|
gboolean result = FALSE;
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
default:
|
|
break;
|
|
}
|
|
|
|
gst_event_unref (event);
|
|
gst_object_unref (spc);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
gst_spc_dec_src_query (GstPad * pad, GstQuery * query)
|
|
{
|
|
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
|
|
gboolean result = TRUE;
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
default:
|
|
result = gst_pad_query_default (pad, query);
|
|
break;
|
|
}
|
|
|
|
gst_object_unref (spc);
|
|
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
spc_play (GstPad * pad)
|
|
{
|
|
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
|
|
GstFlowReturn flow_return;
|
|
GstBuffer *out;
|
|
|
|
out = gst_buffer_new_and_alloc (1600 * 4);
|
|
gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
|
|
|
|
OSPC_Run (-1, (short *) GST_BUFFER_DATA (out), 1600 * 4);
|
|
|
|
if ((flow_return = gst_pad_push (spc->srcpad, out)) != GST_FLOW_OK) {
|
|
GST_DEBUG_OBJECT (spc, "pausing task, reason %s",
|
|
gst_flow_get_name (flow_return));
|
|
|
|
gst_pad_pause_task (pad);
|
|
|
|
if (GST_FLOW_IS_FATAL (flow_return) || flow_return == GST_FLOW_NOT_LINKED) {
|
|
gst_pad_push_event (pad, gst_event_new_eos ());
|
|
}
|
|
}
|
|
|
|
gst_object_unref (spc);
|
|
|
|
return;
|
|
}
|
|
|
|
static gboolean
|
|
spc_setup (GstSpcDec * spc)
|
|
{
|
|
guchar *data = GST_BUFFER_DATA (spc->buf);
|
|
gboolean text_format = FALSE;
|
|
|
|
if (!spc_negotiate (spc)) {
|
|
return FALSE;
|
|
}
|
|
|
|
if (data[0x23] == 26) {
|
|
GstEvent *tagevent;
|
|
GstTagList *taglist = gst_tag_list_new ();
|
|
|
|
if (data[0xA0] == '/')
|
|
text_format = TRUE;
|
|
|
|
gchar spctitle[0x21];
|
|
gchar spcartist[0x21];
|
|
gchar spcgame[0x21];
|
|
|
|
strncpy (spctitle, (gchar *) & data[0x2E], 32);
|
|
strncpy (spcartist, (gchar *) & data[(text_format ? 0xB1 : 0xB0)], 32);
|
|
strncpy (spcgame, (gchar *) & data[0x4E], 32);
|
|
|
|
spctitle[0x20] = '\0';
|
|
spcartist[0x20] = '\0';
|
|
spcgame[0x20] = '\0';
|
|
|
|
gst_tag_list_add (taglist, GST_TAG_MERGE_APPEND,
|
|
GST_TAG_TITLE, spctitle,
|
|
GST_TAG_ARTIST, spcartist, GST_TAG_ALBUM, spcgame, NULL);
|
|
|
|
tagevent = gst_event_new_tag (taglist);
|
|
gst_element_found_tags_for_pad (GST_ELEMENT (spc), spc->srcpad, taglist);
|
|
}
|
|
|
|
if (OSPC_Init (GST_BUFFER_DATA (spc->buf), GST_BUFFER_SIZE (spc->buf)) != 0) {
|
|
return FALSE;
|
|
}
|
|
|
|
gst_pad_push_event (spc->srcpad, gst_event_new_new_segment (FALSE, 1.0,
|
|
GST_FORMAT_TIME, 0, -1, 0));
|
|
|
|
gst_pad_start_task (spc->srcpad, (GstTaskFunction) spc_play, spc->srcpad);
|
|
|
|
gst_buffer_unref (spc->buf);
|
|
spc->buf = NULL;
|
|
spc->initialized = TRUE;
|
|
return spc->initialized;
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_spc_dec_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstStateChangeReturn result;
|
|
GstSpcDec *dec;
|
|
|
|
dec = GST_SPC_DEC (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
if (result == GST_STATE_CHANGE_FAILURE)
|
|
return result;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
if (dec->buf) {
|
|
gst_buffer_unref (dec->buf);
|
|
dec->buf = NULL;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
return gst_element_register (plugin, "spcdec", GST_RANK_PRIMARY,
|
|
GST_TYPE_SPC_DEC);
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"spcdec",
|
|
"OpenSPC Audio Decoder",
|
|
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|