From 0983339a6e6a01562f7402943dcb98b8e4eb1d15 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Tim-Philipp=20M=C3=BCller?= Date: Thu, 10 Nov 2011 23:17:53 +0000 Subject: [PATCH] iec958: remove this plugin I think it can just go away. Audio sinks can and should payload things themselves using the helper API in libgstaudio. If such a plugin still makes sense, it should probably be rewritten using the library functions (and be put into -good or so). --- Android.mk | 1 - configure.ac | 5 +- docs/plugins/gst-plugins-ugly-plugins-docs.sgml | 1 - docs/plugins/inspect/plugin-iec958.xml | 34 -- gst-plugins-ugly.spec.in | 1 - gst/iec958/Makefile.am | 23 -- gst/iec958/ac3_padder.c | 394 -------------------- gst/iec958/ac3_padder.h | 139 ------- gst/iec958/ac3iec.c | 463 ------------------------ gst/iec958/ac3iec.h | 88 ----- win32/MANIFEST | 1 - win32/vs6/libgstiec958.dsp | 131 ------- 12 files changed, 1 insertion(+), 1280 deletions(-) delete mode 100644 docs/plugins/inspect/plugin-iec958.xml delete mode 100644 gst/iec958/Makefile.am delete mode 100644 gst/iec958/ac3_padder.c delete mode 100644 gst/iec958/ac3_padder.h delete mode 100644 gst/iec958/ac3iec.c delete mode 100644 gst/iec958/ac3iec.h delete mode 100644 win32/vs6/libgstiec958.dsp diff --git a/Android.mk b/Android.mk index 437f369..2094bf5 100644 --- a/Android.mk +++ b/Android.mk @@ -6,7 +6,6 @@ GST_PLUGINS_UGLY_TOP := $(LOCAL_PATH) GST_PLUGINS_UGLY_BUILT_SOURCES = \ ext/mad/Android.mk \ gst/synaesthesia/Android.mk \ - gst/iec958/Android.mk \ gst/mpegaudioparse/Android.mk \ gst/mpegstream/Android.mk \ gst/realmedia/Android.mk \ diff --git a/configure.ac b/configure.ac index 5116ab4..fceefe4 100644 --- a/configure.ac +++ b/configure.ac @@ -210,15 +210,13 @@ dnl *** plug-ins to include *** dnl Non ported plugins (non-dependant, then dependant) dnl Make sure you have a space before and after all plugins -GST_PLUGINS_NONPORTED=" iec958 synaesthesia xingmux \ - mpegstream cdio twolame " +GST_PLUGINS_NONPORTED=" synaesthesia xingmux mpegstream cdio twolame " AC_SUBST(GST_PLUGINS_NONPORTED) dnl these are all the gst plug-ins, compilable without additional libs AG_GST_CHECK_PLUGIN(asfdemux) AG_GST_CHECK_PLUGIN(dvdlpcmdec) AG_GST_CHECK_PLUGIN(dvdsub) -AG_GST_CHECK_PLUGIN(iec958) AG_GST_CHECK_PLUGIN(xingmux) AG_GST_CHECK_PLUGIN(mpegstream) AG_GST_CHECK_PLUGIN(realmedia) @@ -443,7 +441,6 @@ gst/Makefile gst/asfdemux/Makefile gst/dvdlpcmdec/Makefile gst/dvdsub/Makefile -gst/iec958/Makefile gst/mpegstream/Makefile gst/realmedia/Makefile gst/synaesthesia/Makefile diff --git a/docs/plugins/gst-plugins-ugly-plugins-docs.sgml b/docs/plugins/gst-plugins-ugly-plugins-docs.sgml index 2bdf11a..1a7817e 100644 --- a/docs/plugins/gst-plugins-ugly-plugins-docs.sgml +++ b/docs/plugins/gst-plugins-ugly-plugins-docs.sgml @@ -47,7 +47,6 @@ - diff --git a/docs/plugins/inspect/plugin-iec958.xml b/docs/plugins/inspect/plugin-iec958.xml deleted file mode 100644 index 49169cd..0000000 --- a/docs/plugins/inspect/plugin-iec958.xml +++ /dev/null @@ -1,34 +0,0 @@ - - iec958 - Convert raw AC3 into IEC958 (S/PDIF) frames - ../../gst/iec958/.libs/libgstiec958.so - libgstiec958.so - 0.10.18.1 - LGPL - gst-plugins-ugly - GStreamer Ugly Plug-ins git - Unknown package origin - - - ac3iec958 - AC3 to IEC958 filter - Codec/Muxer/Audio - Pads AC3 frames into IEC958 frames suitable for a raw S/PDIF interface - Martin Soto <martinsoto@users.sourceforge.net> - - - sink - sink - always -
audio/x-private1-ac3; audio/x-ac3; audio/ac3
- - - src - source - always -
audio/x-iec958, rate=(int){ 32000, 44100, 48000 }; audio/x-raw-int, endianness=(int)4321, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int){ 32000, 44100, 48000 }, channels=(int)2
- - - - - \ No newline at end of file diff --git a/gst-plugins-ugly.spec.in b/gst-plugins-ugly.spec.in index e3c3c06..39b33cb 100644 --- a/gst-plugins-ugly.spec.in +++ b/gst-plugins-ugly.spec.in @@ -94,7 +94,6 @@ rm -rf $RPM_BUILD_ROOT %doc AUTHORS COPYING README REQUIREMENTS gst-plugins-ugly.doap %{_libdir}/gstreamer-%{majorminor}/libgstasf.so %{_libdir}/gstreamer-%{majorminor}/libgstdvdlpcmdec.so -# %{_libdir}/gstreamer-%{majorminor}/libgstiec958.so # %{_libdir}/gstreamer-%{majorminor}/libgstxingmux.so # %{_libdir}/gstreamer-%{majorminor}/libgstmpegstream.so # %{_libdir}/gstreamer-%{majorminor}/libgstrmdemux.so diff --git a/gst/iec958/Makefile.am b/gst/iec958/Makefile.am deleted file mode 100644 index b3e0406..0000000 --- a/gst/iec958/Makefile.am +++ /dev/null @@ -1,23 +0,0 @@ -plugin_LTLIBRARIES = libgstiec958.la - -libgstiec958_la_SOURCES = ac3iec.c ac3_padder.c -libgstiec958_la_CFLAGS = $(GST_CFLAGS) -libgstiec958_la_LIBADD = $(GST_LIBS) -libgstiec958_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -libgstiec958_la_LIBTOOLFLAGS = --tag=disable-static - -noinst_HEADERS = ac3_padder.h ac3iec.h - -Android.mk: Makefile.am $(BUILT_SOURCES) - androgenizer \ - -:PROJECT libgstiec958 -:SHARED libgstiec958 \ - -:TAGS eng debug \ - -:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \ - -:SOURCES $(libgstiec958_la_SOURCES) \ - -:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstiec958_la_CFLAGS) \ - -:LDFLAGS $(libgstiec958_la_LDFLAGS) \ - $(libgstiec958_la_LIBADD) \ - -ldl \ - -:PASSTHROUGH LOCAL_ARM_MODE:=arm \ - LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \ - > $@ diff --git a/gst/iec958/ac3_padder.c b/gst/iec958/ac3_padder.c deleted file mode 100644 index 21dc4ef..0000000 --- a/gst/iec958/ac3_padder.c +++ /dev/null @@ -1,394 +0,0 @@ -/* GStreamer - * Copyright (C) 2003, 2004 Martin Soto - * 2005 Michael Smith - * - * ac3_padder.c: Pad AC3 frames for use with an SPDIF interface. - * - * 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. - */ - -#include -#include - -#include "ac3_padder.h" - -struct frmsize_s -{ - unsigned short bit_rate; - unsigned short frm_size[3]; -}; - -static const struct frmsize_s frmsizecod_tbl[] = { - {32, {64, 69, 96}}, - {32, {64, 70, 96}}, - {40, {80, 87, 120}}, - {40, {80, 88, 120}}, - {48, {96, 104, 144}}, - {48, {96, 105, 144}}, - {56, {112, 121, 168}}, - {56, {112, 122, 168}}, - {64, {128, 139, 192}}, - {64, {128, 140, 192}}, - {80, {160, 174, 240}}, - {80, {160, 175, 240}}, - {96, {192, 208, 288}}, - {96, {192, 209, 288}}, - {112, {224, 243, 336}}, - {112, {224, 244, 336}}, - {128, {256, 278, 384}}, - {128, {256, 279, 384}}, - {160, {320, 348, 480}}, - {160, {320, 349, 480}}, - {192, {384, 417, 576}}, - {192, {384, 418, 576}}, - {224, {448, 487, 672}}, - {224, {448, 488, 672}}, - {256, {512, 557, 768}}, - {256, {512, 558, 768}}, - {320, {640, 696, 960}}, - {320, {640, 697, 960}}, - {384, {768, 835, 1152}}, - {384, {768, 836, 1152}}, - {448, {896, 975, 1344}}, - {448, {896, 976, 1344}}, - {512, {1024, 1114, 1536}}, - {512, {1024, 1115, 1536}}, - {576, {1152, 1253, 1728}}, - {576, {1152, 1254, 1728}}, - {640, {1280, 1393, 1920}}, - {640, {1280, 1394, 1920}} -}; - -static const guint16 ac3_crc_lut[256] = { - 0x0000, 0x8005, 0x800f, 0x000a, 0x801b, 0x001e, 0x0014, 0x8011, - 0x8033, 0x0036, 0x003c, 0x8039, 0x0028, 0x802d, 0x8027, 0x0022, - 0x8063, 0x0066, 0x006c, 0x8069, 0x0078, 0x807d, 0x8077, 0x0072, - 0x0050, 0x8055, 0x805f, 0x005a, 0x804b, 0x004e, 0x0044, 0x8041, - 0x80c3, 0x00c6, 0x00cc, 0x80c9, 0x00d8, 0x80dd, 0x80d7, 0x00d2, - 0x00f0, 0x80f5, 0x80ff, 0x00fa, 0x80eb, 0x00ee, 0x00e4, 0x80e1, - 0x00a0, 0x80a5, 0x80af, 0x00aa, 0x80bb, 0x00be, 0x00b4, 0x80b1, - 0x8093, 0x0096, 0x009c, 0x8099, 0x0088, 0x808d, 0x8087, 0x0082, - 0x8183, 0x0186, 0x018c, 0x8189, 0x0198, 0x819d, 0x8197, 0x0192, - 0x01b0, 0x81b5, 0x81bf, 0x01ba, 0x81ab, 0x01ae, 0x01a4, 0x81a1, - 0x01e0, 0x81e5, 0x81ef, 0x01ea, 0x81fb, 0x01fe, 0x01f4, 0x81f1, - 0x81d3, 0x01d6, 0x01dc, 0x81d9, 0x01c8, 0x81cd, 0x81c7, 0x01c2, - 0x0140, 0x8145, 0x814f, 0x014a, 0x815b, 0x015e, 0x0154, 0x8151, - 0x8173, 0x0176, 0x017c, 0x8179, 0x0168, 0x816d, 0x8167, 0x0162, - 0x8123, 0x0126, 0x012c, 0x8129, 0x0138, 0x813d, 0x8137, 0x0132, - 0x0110, 0x8115, 0x811f, 0x011a, 0x810b, 0x010e, 0x0104, 0x8101, - 0x8303, 0x0306, 0x030c, 0x8309, 0x0318, 0x831d, 0x8317, 0x0312, - 0x0330, 0x8335, 0x833f, 0x033a, 0x832b, 0x032e, 0x0324, 0x8321, - 0x0360, 0x8365, 0x836f, 0x036a, 0x837b, 0x037e, 0x0374, 0x8371, - 0x8353, 0x0356, 0x035c, 0x8359, 0x0348, 0x834d, 0x8347, 0x0342, - 0x03c0, 0x83c5, 0x83cf, 0x03ca, 0x83db, 0x03de, 0x03d4, 0x83d1, - 0x83f3, 0x03f6, 0x03fc, 0x83f9, 0x03e8, 0x83ed, 0x83e7, 0x03e2, - 0x83a3, 0x03a6, 0x03ac, 0x83a9, 0x03b8, 0x83bd, 0x83b7, 0x03b2, - 0x0390, 0x8395, 0x839f, 0x039a, 0x838b, 0x038e, 0x0384, 0x8381, - 0x0280, 0x8285, 0x828f, 0x028a, 0x829b, 0x029e, 0x0294, 0x8291, - 0x82b3, 0x02b6, 0x02bc, 0x82b9, 0x02a8, 0x82ad, 0x82a7, 0x02a2, - 0x82e3, 0x02e6, 0x02ec, 0x82e9, 0x02f8, 0x82fd, 0x82f7, 0x02f2, - 0x02d0, 0x82d5, 0x82df, 0x02da, 0x82cb, 0x02ce, 0x02c4, 0x82c1, - 0x8243, 0x0246, 0x024c, 0x8249, 0x0258, 0x825d, 0x8257, 0x0252, - 0x0270, 0x8275, 0x827f, 0x027a, 0x826b, 0x026e, 0x0264, 0x8261, - 0x0220, 0x8225, 0x822f, 0x022a, 0x823b, 0x023e, 0x0234, 0x8231, - 0x8213, 0x0216, 0x021c, 0x8219, 0x0208, 0x820d, 0x8207, 0x0202 -}; - -static gint ac3_sample_rates[] = { 48000, 44100, 32000, -1 }; - -typedef guint16 ac3_crc_state; - -static void -ac3_crc_init (ac3_crc_state * state) -{ - *state = 0; -} - -static void -ac3_crc_update (ac3_crc_state * state, guint8 * data, guint32 num_bytes) -{ - int i; - - for (i = 0; i < num_bytes; i++) - *state = ac3_crc_lut[data[i] ^ (*state >> 8)] ^ (*state << 8); -} - -static int -ac3_crc_validate (ac3_crc_state * state) -{ - return (*state == 0); -} - -/** - * ac3p_init - * @padder: The padder structure to initialize. - * - * Initializes an AC3 stream padder. This structure can be - * subsequently used to parse an AC3 stream and convert it to IEC958 - * (S/PDIF) padded packets. - */ -void -ac3p_init (ac3_padder * padder) -{ - const guint8 sync[4] = { 0xF8, 0x72, 0x4E, 0x1F }; - - padder->state = AC3P_STATE_SYNC1; - - padder->skipped = 0; - - /* No material to read yet. */ - padder->buffer = NULL; - padder->buffer_end = 0; - padder->buffer_cur = 0; - padder->buffer_size = 0; - - /* Initialize the sync bytes in the frame. */ - memcpy (padder->frame.header, sync, 4); -} - -void -ac3p_clear (ac3_padder * padder) -{ - g_free (padder->buffer); -} - -static void -resync (ac3_padder * padder, int offset, int skipped) -{ - padder->buffer_cur -= offset; - padder->state = AC3P_STATE_SYNC1; - padder->skipped += skipped; - - /* We don't want our buffer to grow unboundedly if we fail to find sync, but - * nor do we want to do this every time we call resync() */ - if (padder->buffer_cur > 4096) { - memmove (padder->buffer, padder->buffer + padder->buffer_cur, - padder->buffer_end - padder->buffer_cur); - padder->buffer_end -= padder->buffer_cur; - padder->buffer_cur = 0; - } -} - -/** - * ac3_push_data: - * @padder: The padder structure. - * @data: A pointer to a buffer with new data to parse. This should - * correspond to a new piece of a stream containing raw AC3 data. - * @size: The number of available bytes in the buffer. - * - * Pushes a new buffer of data to be parsed by the ac3 padder. The - * ac3_parse() function will actually parse the data and report when - * new frames are found. This funcion should only be called once at - * the beginning of the parsing process, or when the ac3_parse() - * function returns the %AC3P_EVENT_PUSH event. - */ -extern void -ac3p_push_data (ac3_padder * padder, guchar * data, guint size) -{ - if (padder->buffer_end + size > padder->buffer_size) { - padder->buffer_size = padder->buffer_end + size; - padder->buffer = g_realloc (padder->buffer, padder->buffer_size); - } - - memcpy (padder->buffer + padder->buffer_end, data, size); - padder->buffer_end += size; -} - -/** - * ac3p_parse: - * @padder: The padder structure. - * - * Parses the bytes already pushed into the padder structure (see - * ac3p_push_data()) and returns an event value depending on the - * results of the parsing. - * - * Returns: %AC3P_EVENT_FRAME to indicate that a new AC3 was found and - * padded for IEC958 transmission. This frame can be read inmediatly - * with ac3p_frame(). %AC3P_EVENT_PUSH to indicate that new data from - * the input stream must be pushed into the padder using - * ac3p_push_data(). This function should be called again after - * pushing the data. - * - * Note that the returned data (which naturally comes in 16 bit sub-frames) is - * big-endian, and may need to be byte-swapped for little-endian output. - */ -extern int -ac3p_parse (ac3_padder * padder) -{ - while (padder->buffer_cur < padder->buffer_end) { - switch (padder->state) { - case AC3P_STATE_SYNC1: - if (padder->buffer[padder->buffer_cur++] == 0x0b) { - /* The first sync byte was found. Go to the next state. */ - padder->frame.sync_byte1 = 0x0b; - padder->state = AC3P_STATE_SYNC2; - } else - resync (padder, 0, 1); - break; - - case AC3P_STATE_SYNC2: - if (padder->buffer[padder->buffer_cur++] == 0x77) { - /* The second sync byte was seen right after the first. Go to - the next state. */ - padder->frame.sync_byte2 = 0x77; - padder->state = AC3P_STATE_HEADER; - - /* Prepare for reading the header. */ - padder->out_ptr = (guchar *) & (padder->frame.crc1); - /* Discount the 2 sync bytes from the header size. */ - padder->bytes_to_copy = AC3P_AC3_HEADER_SIZE - 2; - } else { - /* The second sync byte was not seen. Go back to the - first state. */ - resync (padder, 0, 2); - } - break; - - case AC3P_STATE_HEADER: - if (padder->bytes_to_copy > 0) { - /* Copy one byte. */ - *(padder->out_ptr++) = padder->buffer[padder->buffer_cur++]; - padder->bytes_to_copy--; - } else { - int fscod; - - /* The header is ready: */ - - fscod = (padder->frame.code >> 6) & 0x03; - - /* fscod == 3 is a reserved code, we're not meant to do playback in - * this case. frmsizecod being out-of-range (there are 38 entries) - * doesn't appear to be well-defined, but treat the same. - * The likely cause of both of these is false sync, so skip back to - * just in front of the previous sync word and start looking again. - */ - if (fscod == 3 || (padder->frame.code & 0x3f) >= 38) { - resync (padder, AC3P_AC3_HEADER_SIZE - 2, 2); - continue; - } - - padder->rate = ac3_sample_rates[fscod]; - - /* Calculate the frame size (in 16 bit units). */ - padder->ac3_frame_size = - frmsizecod_tbl[padder->frame.code & 0x3f].frm_size[fscod]; - - /* Prepare for reading the body. */ - padder->bytes_to_copy = padder->ac3_frame_size * 2 - - AC3P_AC3_HEADER_SIZE; - - padder->state = AC3P_STATE_CONTENT; - } - break; - - case AC3P_STATE_CONTENT: - if (padder->bytes_to_copy > 0) { - /* Copy one byte. */ - *(padder->out_ptr++) = padder->buffer[padder->buffer_cur++]; - padder->bytes_to_copy--; - } else { - int framesize; - int crclen1, crclen2; - guint8 *tmp; - ac3_crc_state state; - - /* Frame ready. Prepare for output: */ - - /* Zero the non AC3 portion of the padded frame. */ - memset (&(padder->frame.sync_byte1) + padder->ac3_frame_size * 2, 0, - AC3P_IEC_FRAME_SIZE - AC3P_IEC_HEADER_SIZE - - padder->ac3_frame_size * 2); - - /* Now checking the two CRCs. If either fails, then we re-feed all - * the data starting immediately after the 16-bit syncword (which we - * can now assume was a false sync) */ - - /* Length of CRC1 is defined as - truncate(framesize/2) + truncate(framesize/8) - units (each of which is 16 bit, as is 'framesize'), but this - includes the syncword, which is NOT calculated as part of - the CRC. - */ - framesize = padder->ac3_frame_size; - crclen1 = (framesize / 2 + framesize / 8) * 2 - 2; - tmp = (guint8 *) (&(padder->frame.crc1)); - - ac3_crc_init (&state); - ac3_crc_update (&state, tmp, crclen1); - - if (!ac3_crc_validate (&state)) { - /* Rewind current stream pointer to immediately following the last - * attempted sync point, then continue parsing in initial state */ - resync (padder, padder->ac3_frame_size - 2, 2); - continue; - } - - /* Now check CRC2, which covers the entire frame other than the - * 16-bit syncword */ - crclen2 = padder->ac3_frame_size * 2 - 2; - - ac3_crc_init (&state); - ac3_crc_update (&state, tmp, crclen2); - - if (!ac3_crc_validate (&state)) { - /* Rewind current stream pointer to immediately following the last - * attempted sync point, then continue parsing in initial state */ - resync (padder, padder->ac3_frame_size - 2, 2); - continue; - } - - /* Now set up the rest of the IEC header (we already filled in the - 32 bit sync word. */ - - /* Byte 5 has: - bits 0-4: data type dependent. For AC3, the bottom 3 of these bits - are copied from the AC3 frame (bsmod value), the top 2 - bits are reserved, and set to zero. - bits 5-7: data stream number. We only do one data stream, so it's - zero. - */ - padder->frame.header[4] = padder->frame.bsidmod & 0x07; - - /* Byte 6: - bits 0-4: data type. 1 for AC3. - bits 5-6: reserved, zero. - bit 7: error_flag. Zero if frame contains no errors - */ - padder->frame.header[5] = 1; /* AC3 is defined as datatype 1 */ - - /* Now, 16 bit frame size, in bits. */ - padder->frame.header[6] = ((padder->ac3_frame_size * 16) >> 8) & 0xFF; - padder->frame.header[7] = (padder->ac3_frame_size * 16) & 0xFF; - - /* We're done, reset state and signal that we have a frame */ - padder->skipped = 0; - padder->state = AC3P_STATE_SYNC1; - - memmove (padder->buffer, padder->buffer + padder->buffer_cur, - padder->buffer_end - padder->buffer_cur); - padder->buffer_end -= padder->buffer_cur; - padder->buffer_cur = 0; - - return AC3P_EVENT_FRAME; - } - - break; - } - } - - return AC3P_EVENT_PUSH; - -} diff --git a/gst/iec958/ac3_padder.h b/gst/iec958/ac3_padder.h deleted file mode 100644 index 0c10f36..0000000 --- a/gst/iec958/ac3_padder.h +++ /dev/null @@ -1,139 +0,0 @@ -/* GStreamer - * Copyright (C) 2003 Martin Soto - * - * ac3_padder.h: Pad AC3 frames for use with an SPDIF interface. - * - * 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 AC3_PADDER_INC -#define AC3_PADDER_INC - -#include - - -/* Size of an IEC958 padded AC3 frame. */ -#define AC3P_IEC_FRAME_SIZE 6144 -/* Size of the IEC958 header. */ -#define AC3P_IEC_HEADER_SIZE 8 -/* Size of the AC3 header. */ -#define AC3P_AC3_HEADER_SIZE 7 - - -/* An IEC958 padded AC3 frame. */ -typedef struct { - /* IEC header. */ - guchar header[AC3P_IEC_HEADER_SIZE]; - - /* Begin of AC3 header. */ - guchar sync_byte1; - guchar sync_byte2; - - guchar crc1[2]; - guchar code; - guchar bsidmod; - guchar acmod; - /* End of AC3 header. */ - - unsigned char data[AC3P_IEC_FRAME_SIZE - AC3P_IEC_HEADER_SIZE - - AC3P_AC3_HEADER_SIZE]; -} ac3p_iec958_burst_frame; - - -/* Possible states for the reading automaton: */ - -/* Searching for sync byte 1. */ -#define AC3P_STATE_SYNC1 1 -/* Searching for sync byte 2. */ -#define AC3P_STATE_SYNC2 2 -/* Reading AC3 header. */ -#define AC3P_STATE_HEADER 3 -/* Reading packet contents.*/ -#define AC3P_STATE_CONTENT 4 - - -/* Events generated by the parse function: */ - -/* The parser needs new data to be pushed. */ -#define AC3P_EVENT_PUSH 1 -/* There is a new padded frame ready to read from the padder structure. */ -#define AC3P_EVENT_FRAME 2 - - -/* The internal state for the padder. */ -typedef struct { - guint state; /* State of the reading automaton. */ - - guchar *buffer; /* Input buffer */ - - gint buffer_end; /* End offset, in bytes, of currently valid data in - buffer */ - - gint buffer_size; /* Allocated size of buffer */ - - gint buffer_cur; /* Current position in buffer */ - - guchar *out_ptr; /* Output pointer, marking the current - position in the output frame. */ - gint bytes_to_copy; - /* Number of bytes that still must be copied - to the output frame *during this reading - stage*. */ - - gint ac3_frame_size; - /* The size in 16-bit units of the pure AC3 portion - of the current frame. */ - - gint skipped; /* Number of bytes skipped while trying to find sync */ - - gint rate; /* Sample rate of ac3 data */ - - ac3p_iec958_burst_frame frame; - /* The current output frame. */ -} ac3_padder; - - - -extern void -ac3p_init(ac3_padder *padder); - -extern void -ac3p_clear(ac3_padder *padder); - -extern void -ac3p_push_data(ac3_padder *padder, guchar *data, guint size); - -extern int -ac3p_parse(ac3_padder *padder); - - -/** - * ac3p_frame - * @padder: The padder structure. - * - * Returns: a pointer to the padded frame contained in the padder. - */ -#define ac3p_frame(padder) ((guint8 *) &((padder)->frame)) - -/** - * ac3p_frame_size - * @padder: The padder structure. - * - * Returns: the length in bytes of the last read raw AC3 frame. - */ -#define ac3p_frame_size(padder) ((padder)->ac3_frame_size * 2) - -#endif diff --git a/gst/iec958/ac3iec.c b/gst/iec958/ac3iec.c deleted file mode 100644 index d6c44ca..0000000 --- a/gst/iec958/ac3iec.c +++ /dev/null @@ -1,463 +0,0 @@ -/* GStreamer - * Copyright (C) 2004 Martin Soto - 2005 Michael Smith - * - * ac3iec.c: Pad AC3 frames into IEC958 frames for the S/PDIF interface. - * - * 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 - -#include - -#include "ac3iec.h" - - -GST_DEBUG_CATEGORY_STATIC (ac3iec_debug); -#define GST_CAT_DEFAULT (ac3iec_debug) - - -/* The duration of a single IEC958 frame. */ -#define IEC958_FRAME_DURATION (32 * GST_MSECOND) - -/* AC3IEC signals and args */ -enum -{ - LAST_SIGNAL, -}; - -enum -{ - PROP_0, - PROP_RAW_AUDIO, -}; - - -static GstStaticPadTemplate ac3iec_sink_template = - GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/x-private1-ac3; audio/x-ac3; audio/ac3") - ); - -/* Two different output caps are possible. */ -#define NORMAL_CAPS_DEF "audio/x-iec958, rate = (int){32000, 44100, 48000}" -#define RAW_AUDIO_CAPS_DEF "audio/x-raw-int, " \ - "endianness = (int) " G_STRINGIFY (G_BIG_ENDIAN) ", " \ - "signed = (boolean) true, " \ - "width = (int) 16, " \ - "depth = (int) 16, " \ - "rate = (int){32000, 44100, 48000}, " \ - "channels = (int) 2" - -static GstStaticCaps normal_caps = GST_STATIC_CAPS (NORMAL_CAPS_DEF); -static GstStaticCaps raw_audio_caps = GST_STATIC_CAPS (RAW_AUDIO_CAPS_DEF); - -static GstStaticPadTemplate ac3iec_src_template = - GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS (NORMAL_CAPS_DEF ";" RAW_AUDIO_CAPS_DEF)); - -static void ac3iec_base_init (gpointer g_class); -static void ac3iec_class_init (AC3IECClass * klass); -static void ac3iec_init (AC3IEC * ac3iec); -static void ac3iec_finalize (GObject * object); - -static void ac3iec_set_property (GObject * object, - guint prop_id, const GValue * value, GParamSpec * pspec); -static void ac3iec_get_property (GObject * object, - guint prop_id, GValue * value, GParamSpec * pspec); - -static gboolean ac3iec_setcaps (GstPad * pad, GstCaps * caps); -static GstFlowReturn ac3iec_chain_dvd (GstPad * pad, GstBuffer * buf); -static GstFlowReturn ac3iec_chain_raw (GstPad * pad, GstBuffer * buf); - -static GstStateChangeReturn ac3iec_change_state (GstElement * element, - GstStateChange transition); - - -static GstElementClass *parent_class = NULL; - -/* static guint ac3iec_signals[LAST_SIGNAL] = { 0 }; */ - - -GType -ac3iec_get_type (void) -{ - static GType ac3iec_type = 0; - - if (!ac3iec_type) { - static const GTypeInfo ac3iec_info = { - sizeof (AC3IECClass), - ac3iec_base_init, - NULL, - (GClassInitFunc) ac3iec_class_init, - NULL, - NULL, - sizeof (AC3IEC), - 0, - (GInstanceInitFunc) ac3iec_init, - }; - ac3iec_type = g_type_register_static (GST_TYPE_ELEMENT, - "AC3IEC", &ac3iec_info, 0); - - GST_DEBUG_CATEGORY_INIT (ac3iec_debug, "ac3iec", 0, - "AC3 to IEC958 padding element"); - } - return ac3iec_type; -} - -static void -ac3iec_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_set_details_simple (element_class, "AC3 to IEC958 filter", - "Codec/Muxer/Audio", - "Pads AC3 frames into IEC958 frames suitable for a raw S/PDIF interface", - "Martin Soto "); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&ac3iec_sink_template)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&ac3iec_src_template)); -} - - -static void -ac3iec_class_init (AC3IECClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - - gobject_class = (GObjectClass *) klass; - gstelement_class = (GstElementClass *) klass; - - parent_class = g_type_class_peek_parent (klass); - - gobject_class->set_property = ac3iec_set_property; - gobject_class->get_property = ac3iec_get_property; - gobject_class->finalize = ac3iec_finalize; - - g_object_class_install_property (gobject_class, PROP_RAW_AUDIO, - g_param_spec_boolean ("raw-audio", "raw-audio", - "If true, source pad caps are set to raw audio.", - FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - gstelement_class->change_state = ac3iec_change_state; -} - - -static void -ac3iec_init (AC3IEC * ac3iec) -{ - ac3iec->sink = - gst_pad_new_from_static_template (&ac3iec_sink_template, "sink"); - gst_pad_set_setcaps_function (ac3iec->sink, ac3iec_setcaps); - gst_pad_set_chain_function (ac3iec->sink, ac3iec_chain_dvd); - gst_element_add_pad (GST_ELEMENT (ac3iec), ac3iec->sink); - - ac3iec->src = gst_pad_new_from_static_template (&ac3iec_src_template, "src"); - gst_pad_use_fixed_caps (ac3iec->src); - gst_element_add_pad (GST_ELEMENT (ac3iec), ac3iec->src); - - ac3iec->cur_ts = GST_CLOCK_TIME_NONE; - - ac3iec->padder = g_malloc (sizeof (ac3_padder)); -} - - -static void -ac3iec_finalize (GObject * object) -{ - AC3IEC *ac3iec = AC3IEC (object); - - g_free (ac3iec->padder); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static void -ac3iec_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - AC3IEC *ac3iec = AC3IEC (object); - - switch (prop_id) { - case PROP_RAW_AUDIO: - { - ac3iec->raw_audio = g_value_get_boolean (value); - break; - } - default: - break; - } -} - -static gboolean -ac3iec_setcaps (GstPad * pad, GstCaps * caps) -{ - AC3IEC *ac3iec = AC3IEC (gst_pad_get_parent (pad)); - GstStructure *structure = gst_caps_get_structure (caps, 0); - - if (structure && gst_structure_has_name (structure, "audio/x-private1-ac3")) - ac3iec->dvdmode = TRUE; - else - ac3iec->dvdmode = FALSE; - - gst_object_unref (ac3iec); - - return TRUE; -} - -static void -ac3iec_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - AC3IEC *ac3iec = AC3IEC (object); - - switch (prop_id) { - case PROP_RAW_AUDIO: - g_value_set_boolean (value, ac3iec->raw_audio); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static GstFlowReturn -ac3iec_chain_dvd (GstPad * pad, GstBuffer * buf) -{ - guint first_access; - guint8 *data; - guint size; - gint offset; - gint len; - GstBuffer *subbuf; - GstFlowReturn ret; - AC3IEC *ac3iec = AC3IEC (gst_pad_get_parent (pad)); - - if (ac3iec->dvdmode) { - size = GST_BUFFER_SIZE (buf); - data = GST_BUFFER_DATA (buf); - - first_access = (data[0] << 8) | data[1]; - - /* Skip the first_access header */ - offset = 2; - - if (first_access > 1) { - /* Length of data before first_access */ - len = first_access - 1; - - /* Ensure we don't crash if fed totally invalid data */ - if (offset + len > size) { - ret = GST_FLOW_ERROR; - goto done; - } - - if (len > 0) { - subbuf = gst_buffer_create_sub (buf, offset, len); - GST_BUFFER_TIMESTAMP (subbuf) = GST_CLOCK_TIME_NONE; - ret = ac3iec_chain_raw (pad, subbuf); - if (ret != GST_FLOW_OK) - goto done; - } - - offset += len; - len = size - offset; - - subbuf = gst_buffer_create_sub (buf, offset, len); - GST_BUFFER_TIMESTAMP (subbuf) = GST_BUFFER_TIMESTAMP (buf); - - ret = ac3iec_chain_raw (pad, subbuf); - } else { - /* Ensure we don't crash if fed totally invalid data */ - if (size < 2) { - ret = GST_FLOW_ERROR; - goto done; - } - - /* No first_access, so no timestamp */ - subbuf = gst_buffer_create_sub (buf, offset, size - offset); - GST_BUFFER_TIMESTAMP (subbuf) = GST_CLOCK_TIME_NONE; - ret = ac3iec_chain_raw (pad, subbuf); - } - } else { - ret = ac3iec_chain_raw (pad, buf); - gst_object_unref (ac3iec); - return ret; - } - -done: - gst_object_unref (ac3iec); - gst_buffer_unref (buf); - - return ret; -} - -static GstFlowReturn -ac3iec_chain_raw (GstPad * pad, GstBuffer * buf) -{ - GstBuffer *new; - AC3IEC *ac3iec; - int event; - GstFlowReturn ret = GST_FLOW_OK; - - g_return_val_if_fail (pad != NULL, GST_FLOW_ERROR); - g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR); - g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR); - - ac3iec = AC3IEC (gst_pad_get_parent (pad)); - - if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) { - /* Whoever tells me why it is necessary to add a frame in order to - get synchronized sound will get a beer from me. */ - ac3iec->cur_ts = GST_BUFFER_TIMESTAMP (buf) + IEC958_FRAME_DURATION; - } - - /* Push the new data into the padder. */ - ac3p_push_data (ac3iec->padder, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf)); - - /* Parse the data. */ - event = ac3p_parse (ac3iec->padder); - while (event != AC3P_EVENT_PUSH) { - if (event == AC3P_EVENT_FRAME) { - GstCaps *bufcaps = NULL; - - if (ac3iec->caps == NULL) { - gint rate = ac3iec->padder->rate; - - if (ac3iec->raw_audio) { - ac3iec->caps = - gst_caps_make_writable (gst_static_caps_get (&raw_audio_caps)); - } else { - ac3iec->caps = - gst_caps_make_writable (gst_static_caps_get (&normal_caps)); - } - gst_structure_set (gst_caps_get_structure (ac3iec->caps, 0), "rate", - G_TYPE_INT, rate, NULL); - gst_pad_set_caps (ac3iec->src, ac3iec->caps); - } - - /* We have a new frame: */ - bufcaps = GST_PAD_CAPS (ac3iec->src); - - /* Create a new buffer, and copy the frame data into it. */ - ret = - gst_pad_alloc_buffer_and_set_caps (ac3iec->src, 0, - AC3P_IEC_FRAME_SIZE, bufcaps, &new); - if (ret != GST_FLOW_OK) - goto buffer_alloc_failed; - - memcpy (GST_BUFFER_DATA (new), ac3p_frame (ac3iec->padder), - AC3P_IEC_FRAME_SIZE); - - /* Set the timestamp. */ - GST_BUFFER_TIMESTAMP (new) = ac3iec->cur_ts; - GST_BUFFER_DURATION (new) = IEC958_FRAME_DURATION; - ac3iec->cur_ts = GST_CLOCK_TIME_NONE; - - GST_LOG_OBJECT (ac3iec, "Pushing IEC958 buffer of size %d", - GST_BUFFER_SIZE (new)); - /* Push the buffer to the source pad. */ - ret = gst_pad_push (ac3iec->src, new); - } - - event = ac3p_parse (ac3iec->padder); - } - - gst_buffer_unref (buf); - -done: - gst_object_unref (ac3iec); - - return ret; - -buffer_alloc_failed: - gst_buffer_unref (buf); - goto done; - -} - - -static GstStateChangeReturn -ac3iec_change_state (GstElement * element, GstStateChange transition) -{ - AC3IEC *ac3iec; - GstStateChangeReturn ret; - - g_return_val_if_fail (GST_IS_AC3IEC (element), GST_STATE_CHANGE_FAILURE); - - ac3iec = AC3IEC (element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - ac3p_init (ac3iec->padder); - break; - case GST_STATE_CHANGE_PAUSED_TO_PLAYING: - break; - default: - break; - } - - ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - - switch (transition) { - case GST_STATE_CHANGE_PLAYING_TO_PAUSED: - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - ac3p_clear (ac3iec->padder); - if (ac3iec->caps) { - gst_caps_unref (ac3iec->caps); - ac3iec->caps = NULL; - } - break; - case GST_STATE_CHANGE_READY_TO_NULL: - break; - default: - break; - } - - return ret; -} - - -static gboolean -plugin_init (GstPlugin * plugin) -{ - if (!gst_element_register (plugin, "ac3iec958", GST_RANK_NONE, - GST_TYPE_AC3IEC)) { - return FALSE; - } - - return TRUE; -} - - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "iec958", - "Convert raw AC3 into IEC958 (S/PDIF) frames", - plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN); diff --git a/gst/iec958/ac3iec.h b/gst/iec958/ac3iec.h deleted file mode 100644 index 45c9a72..0000000 --- a/gst/iec958/ac3iec.h +++ /dev/null @@ -1,88 +0,0 @@ -/* GStreamer - * Copyright (C) 2004 Martin Soto - * - * ac3iec.h: Pad AC3 frames into IEC958 frames for the SP/DIF interface. - * - * 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 __AC3IEC_H__ -#define __AC3IEC_H__ - -#include - -#include "ac3_padder.h" - -G_BEGIN_DECLS - - -#define GST_TYPE_AC3IEC \ - (ac3iec_get_type()) -#define AC3IEC(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AC3IEC,AC3IEC)) -#define AC3IEC_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AC3IEC,AC3IECClass)) -#define GST_IS_AC3IEC(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AC3IEC)) -#define GST_IS_AC3IEC_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AC3IEC)) - - -typedef struct _AC3IEC AC3IEC; -typedef struct _AC3IECClass AC3IECClass; - - -typedef enum { - AC3IEC_OPEN = (GST_ELEMENT_FLAG_LAST << 0), - AC3IEC_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2) -} Ac3iecFlags; - - -struct _AC3IEC { - GstElement element; - - GstPad *sink; - GstPad *src; - - GstCaps *caps; /* source pad caps, once known */ - - GstClockTime cur_ts; /* Time stamp for the current - frame. */ - GstClockTime next_ts; /* Time stamp for the next frame. */ - - ac3_padder *padder; /* AC3 to SPDIF padder object. */ - - gboolean dvdmode; /* TRUE if DVD mode (input is - demultiplexed from a DVD) is - active. */ - - gboolean raw_audio; /* TRUE if output pad should use raw - audio capabilities. */ -}; - - -struct _AC3IECClass { - GstElementClass parent_class; - - /* Signals */ -}; - - -extern GType ac3iec_get_type (void); - -G_END_DECLS - -#endif /* __AC3IEC_H__ */ diff --git a/win32/MANIFEST b/win32/MANIFEST index 4044af8..8e37b13 100644 --- a/win32/MANIFEST +++ b/win32/MANIFEST @@ -5,7 +5,6 @@ win32/vs6/libgstac3parse.dsp win32/vs6/libgstasfdemux.dsp win32/vs6/libgstdvdlpcmdec.dsp win32/vs6/libgstdvdsub.dsp -win32/vs6/libgstiec958.dsp win32/vs6/libgstlame.dsp win32/vs6/libgstmad.dsp win32/vs6/libgstmpegaudioparse.dsp diff --git a/win32/vs6/libgstiec958.dsp b/win32/vs6/libgstiec958.dsp deleted file mode 100644 index 0086e4c..0000000 --- a/win32/vs6/libgstiec958.dsp +++ /dev/null @@ -1,131 +0,0 @@ -# Microsoft Developer Studio Project File - Name="libgstiec958" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102 - -CFG=libgstiec958 - Win32 Debug -!MESSAGE This is not a valid makefile. To build this project using NMAKE, -!MESSAGE use the Export Makefile command and run -!MESSAGE -!MESSAGE NMAKE /f "libgstiec958.mak". -!MESSAGE -!MESSAGE You can specify a configuration when running NMAKE -!MESSAGE by defining the macro CFG on the command line. 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