Original commit message from CVS: * configure.ac: * ext/Makefile.am: * ext/amrnb/Makefile.am: * ext/amrnb/amrnb.c: (plugin_init): * ext/amrnb/amrnbdec.c: (gst_amrnbdec_get_type), (gst_amrnbdec_base_init), (gst_amrnbdec_class_init), (gst_amrnbdec_init), (gst_amrnbdec_link), (gst_amrnbdec_chain), (gst_amrnbdec_state_change): * ext/amrnb/amrnbdec.h: * ext/amrnb/amrnbparse.c: (gst_amrnbparse_get_type), (gst_amrnbparse_base_init), (gst_amrnbparse_class_init), (gst_amrnbparse_init), (gst_amrnbparse_formats), (gst_amrnbparse_querytypes), (gst_amrnbparse_query), (gst_amrnbparse_handle_event), (gst_amrnbparse_reserve), (gst_amrnbparse_loop), (gst_amrnbparse_state_change): * ext/amrnb/amrnbparse.h: Add support for AMR-NB (mobile phone audio format; #155163, #163286). * gst/typefind/gsttypefindfunctions.c: (plugin_init): Add AMR-NB/-WB raw formats. * ext/alsa/gstalsa.c: (gst_alsa_link): Keep valid time when changing format. * gst/qtdemux/qtdemux.c: (gst_qtdemux_loop_header), (qtdemux_parse_trak): Add some more format-specific options (#140141, #143555, #155163).
This commit is contained in:
Ronald S. Bultje
parent
e4bcc8faef
commit
56675a8221
27
ChangeLog
27
ChangeLog
@ -1,3 +1,30 @@
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2005-01-28 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* configure.ac:
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* ext/Makefile.am:
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* ext/amrnb/Makefile.am:
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* ext/amrnb/amrnb.c: (plugin_init):
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* ext/amrnb/amrnbdec.c: (gst_amrnbdec_get_type),
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(gst_amrnbdec_base_init), (gst_amrnbdec_class_init),
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(gst_amrnbdec_init), (gst_amrnbdec_link), (gst_amrnbdec_chain),
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(gst_amrnbdec_state_change):
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* ext/amrnb/amrnbdec.h:
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* ext/amrnb/amrnbparse.c: (gst_amrnbparse_get_type),
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(gst_amrnbparse_base_init), (gst_amrnbparse_class_init),
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(gst_amrnbparse_init), (gst_amrnbparse_formats),
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(gst_amrnbparse_querytypes), (gst_amrnbparse_query),
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(gst_amrnbparse_handle_event), (gst_amrnbparse_reserve),
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(gst_amrnbparse_loop), (gst_amrnbparse_state_change):
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* ext/amrnb/amrnbparse.h:
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Add support for AMR-NB (mobile phone audio format; #155163, #163286).
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* gst/typefind/gsttypefindfunctions.c: (plugin_init):
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Add AMR-NB/-WB raw formats.
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* ext/alsa/gstalsa.c: (gst_alsa_link):
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Keep valid time when changing format.
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* gst/qtdemux/qtdemux.c: (gst_qtdemux_loop_header),
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(qtdemux_parse_trak):
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Add some more format-specific options (#140141, #143555, #155163).
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2005-01-28 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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2005-01-28 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* gst/matroska/matroska-demux.c:
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* gst/matroska/matroska-demux.c:
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11
configure.ac
11
configure.ac
@ -778,6 +778,16 @@ GST_CHECK_FEATURE(ALSA, [alsa plug-ins], gstalsa, [
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])
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])
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])
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])
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dnl *** AMR-NB ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_AMRNB, true)
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GST_CHECK_FEATURE(AMRNB, [AMR-NB], amrnbdec amrnbenc, [
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GST_CHECK_LIBHEADER(AMRNB, amrnb,
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Decoder_Interface_init, -lm,
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amrnb/interf_dec.h,
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AMRNB_LIBS="-lamrnb -lm"
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AC_SUBST(AMRNB_LIBS))
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])
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dnl *** arts ***
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dnl *** arts ***
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dnl if mcopidl can't be found there's no use in compiling it
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dnl if mcopidl can't be found there's no use in compiling it
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AC_CHECK_PROG(MCOPIDL, mcopidl, yes, no)
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AC_CHECK_PROG(MCOPIDL, mcopidl, yes, no)
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@ -2021,6 +2031,7 @@ ext/Makefile
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ext/a52dec/Makefile
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ext/a52dec/Makefile
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ext/aalib/Makefile
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ext/aalib/Makefile
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ext/alsa/Makefile
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ext/alsa/Makefile
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ext/amrnb/Makefile
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ext/arts/Makefile
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ext/arts/Makefile
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ext/artsd/Makefile
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ext/artsd/Makefile
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ext/audiofile/Makefile
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ext/audiofile/Makefile
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@ -16,6 +16,12 @@ else
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ALSA_DIR=
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ALSA_DIR=
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endif
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endif
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if USE_AMRNB
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AMRNB_DIR=amrnb
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else
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AMRNB=
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endif
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if USE_ARTS
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if USE_ARTS
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ARTS_DIR=arts
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ARTS_DIR=arts
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else
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else
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@ -398,6 +404,8 @@ SUBDIRS=\
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$(A52DEC_DIR) \
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$(A52DEC_DIR) \
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$(AALIB_DIR) \
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$(AALIB_DIR) \
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$(ALSA_DIR) \
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$(ALSA_DIR) \
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$(AMRNB_DIR) \
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$(AMRWB_DIR) \
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$(ARTS_DIR) \
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$(ARTS_DIR) \
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$(ARTSC_DIR) \
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$(ARTSC_DIR) \
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$(AUDIOFILE_DIR) \
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$(AUDIOFILE_DIR) \
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@ -464,6 +472,7 @@ DIST_SUBDIRS=\
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a52dec \
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a52dec \
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aalib \
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aalib \
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alsa \
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alsa \
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amrnb \
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arts \
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arts \
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artsd \
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artsd \
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audiofile \
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audiofile \
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14
ext/amrnb/Makefile.am
Normal file
14
ext/amrnb/Makefile.am
Normal file
@ -0,0 +1,14 @@
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plugin_LTLIBRARIES = libgstamrnb.la
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libgstamrnb_la_SOURCES = \
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amrnb.c \
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amrnbdec.c \
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amrnbparse.c
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libgstamrnb_la_CFLAGS = $(GST_CFLAGS) $(AMRNB_CFLAGS)
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libgstamrnb_la_LIBADD = $(AMRNB_LIBS)
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libgstamrnb_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = \
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amrnbdec.h \
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amrnbparse.h
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44
ext/amrnb/amrnb.c
Normal file
44
ext/amrnb/amrnb.c
Normal file
@ -0,0 +1,44 @@
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/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
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* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "amrnbdec.h"
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#include "amrnbparse.h"
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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if (!gst_library_load ("gstbytestream"))
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return FALSE;
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return gst_element_register (plugin, "amrnbdec",
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GST_RANK_PRIMARY, GST_TYPE_AMRNBDEC) &&
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gst_element_register (plugin, "amrnbparse",
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GST_RANK_PRIMARY, GST_TYPE_AMRNBPARSE);
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"amrnb",
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"Adaptive Multi-Rate Narrow-Band",
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plugin_init, VERSION, GST_LICENSE_UNKNOWN, GST_PACKAGE, GST_ORIGIN);
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222
ext/amrnb/amrnbdec.c
Normal file
222
ext/amrnb/amrnbdec.c
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@ -0,0 +1,222 @@
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/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
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* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "amrnbdec.h"
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static GstStaticPadTemplate sink_template = 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-amr-nb, "
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"rate = (int) [ 1000, 96000 ], " "channels = (int) [ 1, 2 ]")
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);
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static GstStaticPadTemplate src_template = 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 ("audio/x-raw-int, "
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"width = (int) 16, "
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"depth = (int) 16, "
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"signed = (boolean) TRUE, "
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"endianness = (int) BYTE_ORDER, "
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"rate = (int) [ 1000, 96000 ]," "channels = (int) [ 1, 2 ]")
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);
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static void gst_amrnbdec_base_init (GstAmrnbDecClass * klass);
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static void gst_amrnbdec_class_init (GstAmrnbDecClass * klass);
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static void gst_amrnbdec_init (GstAmrnbDec * amrnbdec);
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static void gst_amrnbdec_chain (GstPad * pad, GstData * data);
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static GstPadLinkReturn gst_amrnbdec_link (GstPad * pad, const GstCaps * caps);
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static GstElementStateReturn gst_amrnbdec_state_change (GstElement * element);
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static GstElementClass *parent_class = NULL;
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GType
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gst_amrnbdec_get_type (void)
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{
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static GType amrnbdec_type = 0;
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if (!amrnbdec_type) {
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static const GTypeInfo amrnbdec_info = {
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sizeof (GstAmrnbDecClass),
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(GBaseInitFunc) gst_amrnbdec_base_init,
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NULL,
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(GClassInitFunc) gst_amrnbdec_class_init,
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NULL,
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NULL,
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sizeof (GstAmrnbDec),
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0,
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(GInstanceInitFunc) gst_amrnbdec_init,
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};
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amrnbdec_type = g_type_register_static (GST_TYPE_ELEMENT,
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"GstAmrnbDec", &amrnbdec_info, 0);
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}
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return amrnbdec_type;
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}
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static void
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gst_amrnbdec_base_init (GstAmrnbDecClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstElementDetails gst_amrnbdec_details = {
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"AMR-NB decoder",
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"Codec/Decoder/Audio",
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"Adaptive Multi-Rate Narrow-Band audio decoder",
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"Ronald Bultje <rbultje@ronald.bitfreak.net>"
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};
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_set_details (element_class, &gst_amrnbdec_details);
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}
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static void
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gst_amrnbdec_class_init (GstAmrnbDecClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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element_class->change_state = gst_amrnbdec_state_change;
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}
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static void
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gst_amrnbdec_init (GstAmrnbDec * amrnbdec)
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{
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/* create the sink pad */
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amrnbdec->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
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"sink");
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gst_pad_set_link_function (amrnbdec->sinkpad, gst_amrnbdec_link);
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gst_pad_set_chain_function (amrnbdec->sinkpad, gst_amrnbdec_chain);
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gst_element_add_pad (GST_ELEMENT (amrnbdec), amrnbdec->sinkpad);
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|
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/* create the src pad */
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amrnbdec->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get (&src_template),
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"src");
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gst_pad_use_explicit_caps (amrnbdec->srcpad);
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gst_element_add_pad (GST_ELEMENT (amrnbdec), amrnbdec->srcpad);
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/* init rest */
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amrnbdec->handle = NULL;
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amrnbdec->channels = 0;
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amrnbdec->rate = 0;
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amrnbdec->ts = 0;
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}
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static GstPadLinkReturn
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gst_amrnbdec_link (GstPad * pad, const GstCaps * caps)
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{
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GstStructure *structure = gst_caps_get_structure (caps, 0);
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GstAmrnbDec *amrnbdec = GST_AMRNBDEC (gst_pad_get_parent (pad));
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GstCaps *copy;
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|
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/* get channel count */
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gst_structure_get_int (structure, "channels", &amrnbdec->channels);
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gst_structure_get_int (structure, "rate", &amrnbdec->rate);
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/* create reverse caps */
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copy = gst_caps_new_simple ("audio/x-raw-int",
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"channels", G_TYPE_INT, amrnbdec->channels,
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"rate", G_TYPE_INT, amrnbdec->rate, "signed", G_TYPE_BOOLEAN, TRUE, NULL);
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if (!gst_pad_set_explicit_caps (amrnbdec->srcpad, copy))
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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_amrnbdec_chain (GstPad * pad, GstData * in_data)
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{
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const gint block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5,
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0, 0, 0, 0, 0, 0, 0
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};
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GstAmrnbDec *amrnbdec = GST_AMRNBDEC (GST_OBJECT_PARENT (pad));
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||||||
|
GstBuffer *buf = gst_buffer_copy_on_write (in_data), *out;
|
||||||
|
guint8 *data = GST_BUFFER_DATA (buf);
|
||||||
|
gint size = GST_BUFFER_SIZE (buf), block, mode;
|
||||||
|
|
||||||
|
if (GST_BUFFER_TIMESTAMP_IS_VALID (buf))
|
||||||
|
amrnbdec->ts = GST_BUFFER_TIMESTAMP (buf);
|
||||||
|
|
||||||
|
while (size >= 1) {
|
||||||
|
/* get size */
|
||||||
|
mode = (data[0] >> 3) & 0x0F;
|
||||||
|
block = block_size[mode] + 1;
|
||||||
|
if (size < block)
|
||||||
|
break;
|
||||||
|
|
||||||
|
/* get output */
|
||||||
|
out = gst_buffer_new_and_alloc (160 * 2);
|
||||||
|
GST_BUFFER_DURATION (out) = GST_SECOND * 160 /
|
||||||
|
(amrnbdec->rate * amrnbdec->channels);
|
||||||
|
GST_BUFFER_TIMESTAMP (out) = amrnbdec->ts;
|
||||||
|
amrnbdec->ts += GST_BUFFER_DURATION (out);
|
||||||
|
|
||||||
|
/* decode */
|
||||||
|
Decoder_Interface_Decode (amrnbdec->handle, data,
|
||||||
|
(short *) GST_BUFFER_DATA (out), 0);
|
||||||
|
data += block;
|
||||||
|
size -= block;
|
||||||
|
|
||||||
|
/* play */
|
||||||
|
gst_pad_push (amrnbdec->srcpad, GST_DATA (out));
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_buffer_unref (buf);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstElementStateReturn
|
||||||
|
gst_amrnbdec_state_change (GstElement * element)
|
||||||
|
{
|
||||||
|
GstAmrnbDec *amrnbdec = GST_AMRNBDEC (element);
|
||||||
|
|
||||||
|
switch (GST_STATE_TRANSITION (element)) {
|
||||||
|
case GST_STATE_NULL_TO_READY:
|
||||||
|
if (!(amrnbdec->handle = Decoder_Interface_init ()))
|
||||||
|
return GST_STATE_FAILURE;
|
||||||
|
break;
|
||||||
|
case GST_STATE_PAUSED_TO_READY:
|
||||||
|
amrnbdec->ts = 0;
|
||||||
|
break;
|
||||||
|
case GST_STATE_READY_TO_NULL:
|
||||||
|
Decoder_Interface_exit (amrnbdec->handle);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||||
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
||||||
|
|
||||||
|
return GST_STATE_SUCCESS;
|
||||||
|
}
|
||||||
64
ext/amrnb/amrnbdec.h
Normal file
64
ext/amrnb/amrnbdec.h
Normal file
@ -0,0 +1,64 @@
|
|||||||
|
/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
|
||||||
|
* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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_AMRNBDEC_H__
|
||||||
|
#define __GST_AMRNBDEC_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <amrnb/interf_dec.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_AMRNBDEC \
|
||||||
|
(gst_amrnbdec_get_type())
|
||||||
|
#define GST_AMRNBDEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AMRNBDEC, GstAmrnbDec))
|
||||||
|
#define GST_AMRNBDEC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AMRNBDEC, GstAmrnbDec))
|
||||||
|
#define GST_IS_AMRNBDEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AMRNBDEC))
|
||||||
|
#define GST_IS_AMRNBDEC_CLASS(obj) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AMRNBDEC))
|
||||||
|
|
||||||
|
typedef struct _GstAmrnbDec GstAmrnbDec;
|
||||||
|
typedef struct _GstAmrnbDecClass GstAmrnbDecClass;
|
||||||
|
|
||||||
|
struct _GstAmrnbDec {
|
||||||
|
GstElement element;
|
||||||
|
|
||||||
|
/* pads */
|
||||||
|
GstPad *sinkpad, *srcpad;
|
||||||
|
guint64 ts;
|
||||||
|
|
||||||
|
/* library handle */
|
||||||
|
void *handle;
|
||||||
|
|
||||||
|
/* output settings */
|
||||||
|
gint channels, rate;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstAmrnbDecClass {
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_amrnbdec_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_AMRNBDEC_H__ */
|
||||||
321
ext/amrnb/amrnbparse.c
Normal file
321
ext/amrnb/amrnbparse.c
Normal file
@ -0,0 +1,321 @@
|
|||||||
|
/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
|
||||||
|
* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#include "amrnbparse.h"
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_STATIC (amrnbparse_debug);
|
||||||
|
#define GST_CAT_DEFAULT amrnbparse_debug
|
||||||
|
|
||||||
|
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
|
||||||
|
GST_PAD_SRC,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS ("audio/x-amr-nb, "
|
||||||
|
"rate = (int) 8000, " "channels = (int) 1")
|
||||||
|
);
|
||||||
|
|
||||||
|
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
|
||||||
|
GST_PAD_SINK,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS ("audio/x-amr-nb-sh")
|
||||||
|
);
|
||||||
|
|
||||||
|
static void gst_amrnbparse_base_init (GstAmrnbParseClass * klass);
|
||||||
|
static void gst_amrnbparse_class_init (GstAmrnbParseClass * klass);
|
||||||
|
static void gst_amrnbparse_init (GstAmrnbParse * amrnbparse);
|
||||||
|
|
||||||
|
static const GstFormat *gst_amrnbparse_formats (GstPad * pad);
|
||||||
|
static const GstQueryType *gst_amrnbparse_querytypes (GstPad * pad);
|
||||||
|
static gboolean gst_amrnbparse_query (GstPad * pad, GstQueryType type,
|
||||||
|
GstFormat * fmt, gint64 * value);
|
||||||
|
static void gst_amrnbparse_loop (GstElement * element);
|
||||||
|
static GstElementStateReturn gst_amrnbparse_state_change (GstElement * element);
|
||||||
|
|
||||||
|
static GstElementClass *parent_class = NULL;
|
||||||
|
|
||||||
|
GType
|
||||||
|
gst_amrnbparse_get_type (void)
|
||||||
|
{
|
||||||
|
static GType amrnbparse_type = 0;
|
||||||
|
|
||||||
|
if (!amrnbparse_type) {
|
||||||
|
static const GTypeInfo amrnbparse_info = {
|
||||||
|
sizeof (GstAmrnbParseClass),
|
||||||
|
(GBaseInitFunc) gst_amrnbparse_base_init,
|
||||||
|
NULL,
|
||||||
|
(GClassInitFunc) gst_amrnbparse_class_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
sizeof (GstAmrnbParse),
|
||||||
|
0,
|
||||||
|
(GInstanceInitFunc) gst_amrnbparse_init,
|
||||||
|
};
|
||||||
|
|
||||||
|
amrnbparse_type = g_type_register_static (GST_TYPE_ELEMENT,
|
||||||
|
"GstAmrnbParse", &amrnbparse_info, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
return amrnbparse_type;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_amrnbparse_base_init (GstAmrnbParseClass * klass)
|
||||||
|
{
|
||||||
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||||
|
GstElementDetails gst_amrnbparse_details = {
|
||||||
|
"AMR-NB parser",
|
||||||
|
"Codec/Parser/Audio",
|
||||||
|
"Adaptive Multi-Rate Narrow-Band audio parser",
|
||||||
|
"Ronald Bultje <rbultje@ronald.bitfreak.net>"
|
||||||
|
};
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&sink_template));
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&src_template));
|
||||||
|
|
||||||
|
gst_element_class_set_details (element_class, &gst_amrnbparse_details);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_amrnbparse_class_init (GstAmrnbParseClass * klass)
|
||||||
|
{
|
||||||
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||||
|
|
||||||
|
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
|
||||||
|
|
||||||
|
element_class->change_state = gst_amrnbparse_state_change;
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_INIT (amrnbparse_debug,
|
||||||
|
"amrnbparse", 0, "AMR-NB stream parsing");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_amrnbparse_init (GstAmrnbParse * amrnbparse)
|
||||||
|
{
|
||||||
|
GST_FLAG_SET (amrnbparse, GST_ELEMENT_EVENT_AWARE);
|
||||||
|
|
||||||
|
/* create the sink pad */
|
||||||
|
amrnbparse->sinkpad =
|
||||||
|
gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
|
||||||
|
"sink");
|
||||||
|
gst_element_add_pad (GST_ELEMENT (amrnbparse), amrnbparse->sinkpad);
|
||||||
|
|
||||||
|
/* create the src pad */
|
||||||
|
amrnbparse->srcpad =
|
||||||
|
gst_pad_new_from_template (gst_static_pad_template_get (&src_template),
|
||||||
|
"src");
|
||||||
|
gst_pad_set_query_function (amrnbparse->srcpad,
|
||||||
|
GST_DEBUG_FUNCPTR (gst_amrnbparse_query));
|
||||||
|
gst_pad_set_query_type_function (amrnbparse->srcpad,
|
||||||
|
GST_DEBUG_FUNCPTR (gst_amrnbparse_querytypes));
|
||||||
|
gst_pad_set_formats_function (amrnbparse->srcpad,
|
||||||
|
GST_DEBUG_FUNCPTR (gst_amrnbparse_formats));
|
||||||
|
gst_element_add_pad (GST_ELEMENT (amrnbparse), amrnbparse->srcpad);
|
||||||
|
|
||||||
|
gst_element_set_loop_function (GST_ELEMENT (amrnbparse), gst_amrnbparse_loop);
|
||||||
|
|
||||||
|
/* init rest */
|
||||||
|
amrnbparse->ts = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Position querying.
|
||||||
|
*/
|
||||||
|
|
||||||
|
static const GstFormat *
|
||||||
|
gst_amrnbparse_formats (GstPad * pad)
|
||||||
|
{
|
||||||
|
static const GstFormat list[] = {
|
||||||
|
GST_FORMAT_TIME,
|
||||||
|
0
|
||||||
|
};
|
||||||
|
|
||||||
|
return list;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const GstQueryType *
|
||||||
|
gst_amrnbparse_querytypes (GstPad * pad)
|
||||||
|
{
|
||||||
|
static const GstQueryType list[] = {
|
||||||
|
GST_QUERY_POSITION,
|
||||||
|
GST_QUERY_TOTAL,
|
||||||
|
0
|
||||||
|
};
|
||||||
|
|
||||||
|
return list;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_amrnbparse_query (GstPad * pad, GstQueryType type,
|
||||||
|
GstFormat * fmt, gint64 * value)
|
||||||
|
{
|
||||||
|
GstAmrnbParse *amrnbparse = GST_AMRNBPARSE (gst_pad_get_parent (pad));
|
||||||
|
gboolean res = TRUE;
|
||||||
|
|
||||||
|
if (*fmt != GST_FORMAT_TIME)
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
switch (type) {
|
||||||
|
case GST_QUERY_POSITION:
|
||||||
|
*value = amrnbparse->ts;
|
||||||
|
break;
|
||||||
|
case GST_QUERY_TOTAL:{
|
||||||
|
gint64 pos = gst_bytestream_tell (amrnbparse->bs),
|
||||||
|
tot = gst_bytestream_length (amrnbparse->bs);
|
||||||
|
|
||||||
|
*value = amrnbparse->ts * ((gdouble) tot / pos);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
default:
|
||||||
|
res = FALSE;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Data reading.
|
||||||
|
*/
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_amrnbparse_handle_event (GstAmrnbParse * amrnbparse, GstEvent * event)
|
||||||
|
{
|
||||||
|
gboolean res;
|
||||||
|
|
||||||
|
if (!event) {
|
||||||
|
GST_ELEMENT_ERROR (amrnbparse, RESOURCE, READ, (NULL), (NULL));
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_LOG ("handling event %d", GST_EVENT_TYPE (event));
|
||||||
|
|
||||||
|
switch (GST_EVENT_TYPE (event)) {
|
||||||
|
case GST_EVENT_EOS:
|
||||||
|
case GST_EVENT_INTERRUPT:
|
||||||
|
res = FALSE;
|
||||||
|
break;
|
||||||
|
case GST_EVENT_DISCONTINUOUS:
|
||||||
|
default:
|
||||||
|
res = TRUE;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_pad_event_default (amrnbparse->sinkpad, event);
|
||||||
|
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
static guint8 *
|
||||||
|
gst_amrnbparse_reserve (GstAmrnbParse * amrnbparse, gint size)
|
||||||
|
{
|
||||||
|
gint read;
|
||||||
|
guint8 *data;
|
||||||
|
|
||||||
|
GST_DEBUG ("Trying to read %d bytes", size);
|
||||||
|
do {
|
||||||
|
if ((read = gst_bytestream_peek_bytes (amrnbparse->bs,
|
||||||
|
&data, size)) != size) {
|
||||||
|
GstEvent *event;
|
||||||
|
guint32 avail;
|
||||||
|
|
||||||
|
gst_bytestream_get_status (amrnbparse->bs, &avail, &event);
|
||||||
|
if (!gst_amrnbparse_handle_event (amrnbparse, event))
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
} while (read < size);
|
||||||
|
|
||||||
|
GST_DEBUG ("Read %d bytes of data", read);
|
||||||
|
|
||||||
|
return data;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_amrnbparse_loop (GstElement * element)
|
||||||
|
{
|
||||||
|
const gint block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5,
|
||||||
|
0, 0, 0, 0, 0, 0, 0
|
||||||
|
};
|
||||||
|
GstAmrnbParse *amrnbparse = GST_AMRNBPARSE (element);
|
||||||
|
GstBuffer *buf;
|
||||||
|
guint8 *data;
|
||||||
|
gint block, mode, read;
|
||||||
|
|
||||||
|
if (!(data = gst_amrnbparse_reserve (amrnbparse, 1)))
|
||||||
|
return;
|
||||||
|
|
||||||
|
/* init */
|
||||||
|
if (amrnbparse->ts == 0 && data[0] == '#') {
|
||||||
|
if (!(data = gst_amrnbparse_reserve (amrnbparse, 6)))
|
||||||
|
return;
|
||||||
|
if (!memcmp (data, "#!AMR", 5)) {
|
||||||
|
GST_LOG ("Found header");
|
||||||
|
gst_bytestream_flush_fast (amrnbparse->bs, 5);
|
||||||
|
data += 5;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* get size */
|
||||||
|
mode = (data[0] >> 3) & 0x0F;
|
||||||
|
block = block_size[mode] + 1;
|
||||||
|
if (!gst_amrnbparse_reserve (amrnbparse, block))
|
||||||
|
return;
|
||||||
|
read = gst_bytestream_read (amrnbparse->bs, &buf, block);
|
||||||
|
g_assert (read == block);
|
||||||
|
|
||||||
|
/* output */
|
||||||
|
GST_BUFFER_DURATION (buf) = GST_SECOND * 160 / 8000;
|
||||||
|
GST_BUFFER_TIMESTAMP (buf) = amrnbparse->ts;
|
||||||
|
amrnbparse->ts += GST_BUFFER_DURATION (buf);
|
||||||
|
|
||||||
|
GST_DEBUG ("Pushing %d bytes of data", block);
|
||||||
|
gst_pad_push (amrnbparse->srcpad, GST_DATA (buf));
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstElementStateReturn
|
||||||
|
gst_amrnbparse_state_change (GstElement * element)
|
||||||
|
{
|
||||||
|
GstAmrnbParse *amrnbparse = GST_AMRNBPARSE (element);
|
||||||
|
|
||||||
|
switch (GST_STATE_TRANSITION (element)) {
|
||||||
|
case GST_STATE_NULL_TO_READY:
|
||||||
|
if (!(amrnbparse->bs = gst_bytestream_new (amrnbparse->sinkpad)))
|
||||||
|
return GST_STATE_FAILURE;
|
||||||
|
break;
|
||||||
|
case GST_STATE_PAUSED_TO_READY:
|
||||||
|
amrnbparse->ts = 0;
|
||||||
|
break;
|
||||||
|
case GST_STATE_READY_TO_NULL:
|
||||||
|
gst_bytestream_destroy (amrnbparse->bs);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||||
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
||||||
|
|
||||||
|
return GST_STATE_SUCCESS;
|
||||||
|
}
|
||||||
59
ext/amrnb/amrnbparse.h
Normal file
59
ext/amrnb/amrnbparse.h
Normal file
@ -0,0 +1,59 @@
|
|||||||
|
/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
|
||||||
|
* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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_AMRNBPARSE_H__
|
||||||
|
#define __GST_AMRNBPARSE_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/bytestream/bytestream.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_AMRNBPARSE \
|
||||||
|
(gst_amrnbparse_get_type())
|
||||||
|
#define GST_AMRNBPARSE(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AMRNBPARSE, GstAmrnbParse))
|
||||||
|
#define GST_AMRNBPARSE_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AMRNBPARSE, GstAmrnbParse))
|
||||||
|
#define GST_IS_AMRNBPARSE(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AMRNBPARSE))
|
||||||
|
#define GST_IS_AMRNBPARSE_CLASS(obj) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AMRNBPARSE))
|
||||||
|
|
||||||
|
typedef struct _GstAmrnbParse GstAmrnbParse;
|
||||||
|
typedef struct _GstAmrnbParseClass GstAmrnbParseClass;
|
||||||
|
|
||||||
|
struct _GstAmrnbParse {
|
||||||
|
GstElement element;
|
||||||
|
|
||||||
|
/* pads */
|
||||||
|
GstPad *sinkpad, *srcpad;
|
||||||
|
GstByteStream *bs;
|
||||||
|
guint64 ts;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstAmrnbParseClass {
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_amrnbparse_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_AMRNBPARSE_H__ */
|
||||||
Loading…
x
Reference in New Issue
Block a user