Moved to gst-libs/ext/mplex

Original commit message from CVS:
Moved to gst-libs/ext/mplex

1 files changed, 0 insertions, 304 deletions

diff --git a/ext/mplex/lpcmstrm_in.cc b/ext/mplex/lpcmstrm_in.cc
deleted file mode 100644
index a7e0c32d..00000000
--- a/ext/mplex/lpcmstrm_in.cc
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- *  lpcmstrm_in.c: LPCM Audio strem class members handling scanning and
- *  buffering raw input stream.
- *
- *  Copyright (C) 2001 Andrew Stevens <andrew.stevens@philips.com>
- *  Copyright (C) 2000,2001 Brent Byeler for original header-structure
- *                          parsing code.
- *
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of version 2 of the GNU General Public License
- *  as published by the Free Software Foundation.
- *
- *  This program 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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-
-#include <config.h>
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "audiostrm.hh"
-#include "outputstream.hh"
-#include <cassert>
-
-
-
-
-LPCMStream::LPCMStream (IBitStream & ibs, OutputStream & into):
-AudioStream (ibs, into)
-{
-}
-
-bool LPCMStream::Probe (IBitStream & bs)
-{
-  return true;
-}
-
-
-/*************************************************************************
- *
- * Reads initial stream parameters and displays feedback banner to users
- *
- *************************************************************************/
-
-
-void
-LPCMStream::Init (const int stream_num)
-{
-
-  MuxStream::Init (PRIVATE_STR_1, 1,	// Buffer scale
-		   default_buffer_size,
-		   muxinto.vcd_zero_stuffing,
-		   muxinto.buffers_in_audio, muxinto.always_buffers_in_audio);
-  mjpeg_info ("Scanning for header info: LPCM Audio stream %02x", stream_num);
-
-  InitAUbuffer ();
-
-  AU_start = bs.bitcount ();
-
-  // This is a dummy debug version that simply assumes 48kHz
-  // two channel 16 bit sample LPCM
-  samples_per_second = 48000;
-  channels = 2;
-  bits_per_sample = 16;
-  bytes_per_frame =
-    samples_per_second * channels * bits_per_sample / 8 * ticks_per_frame_90kHz / 90000;
-  frame_index = 0;
-  dynamic_range_code = 0x80;
-
-  /* Presentation/decoding time-stamping  */
-  access_unit.start = AU_start;
-  access_unit.length = bytes_per_frame;
-  access_unit.PTS = static_cast < clockticks > (decoding_order) *
-    (CLOCKS_per_90Kth_sec * ticks_per_frame_90kHz);
-  access_unit.DTS = access_unit.PTS;
-  access_unit.dorder = decoding_order;
-  decoding_order++;
-  aunits.append (access_unit);
-
-  OutputHdrInfo ();
-}
-
-unsigned int
-LPCMStream::NominalBitRate ()
-{
-  return samples_per_second * channels * bits_per_sample;
-}
-
-
-
-void
-LPCMStream::FillAUbuffer (unsigned int frames_to_buffer)
-{
-  last_buffered_AU += frames_to_buffer;
-  mjpeg_debug ("Scanning %d MPEG LPCM audio frames to frame %d",
-	       frames_to_buffer, last_buffered_AU);
-
-  static int header_skip = 0;	// Initially skipped past  5 bytes of header 
-  int skip;
-  bool bad_last_frame = false;
-
-  while (!bs.eos () &&
-	 decoding_order < last_buffered_AU) {
-    skip = access_unit.length - header_skip;
-    mjpeg_debug ("Buffering frame %d (%d bytes)\n", decoding_order - 1, skip);
-    if (skip & 0x1)
-      bs.getbits (8);
-    if (skip & 0x2)
-      bs.getbits (16);
-    skip = skip >> 2;
-
-    for (int i = 0; i < skip; i++) {
-      bs.getbits (32);
-    }
-
-    prev_offset = AU_start;
-    AU_start = bs.bitcount ();
-    if (AU_start - prev_offset != access_unit.length * 8) {
-      bad_last_frame = true;
-      break;
-    }
-    // Here we would check for header data but LPCM has no headers...
-    if (bs.eos ())
-      break;
-
-    access_unit.start = AU_start;
-    access_unit.length = bytes_per_frame;
-    access_unit.PTS = static_cast < clockticks > (decoding_order) *
-      (CLOCKS_per_90Kth_sec * ticks_per_frame_90kHz);
-    access_unit.DTS = access_unit.PTS;
-    access_unit.dorder = decoding_order;
-    decoding_order++;
-    aunits.append (access_unit);
-    num_frames[0]++;
-
-    num_syncword++;
-
-    if (num_syncword >= old_frames + 10) {
-      mjpeg_debug ("Got %d frame headers.", num_syncword);
-      old_frames = num_syncword;
-    }
-    mjpeg_debug ("Got frame %d\n", decoding_order);
-
-  }
-  if (bad_last_frame) {
-    mjpeg_error_exit1 ("Last LPCM frame ended prematurely!\n");
-  }
-  last_buffered_AU = decoding_order;
-  eoscan = bs.eos ();
-
-}
-
-
-
-void
-LPCMStream::Close ()
-{
-  stream_length = AU_start / 8;
-  mjpeg_info ("AUDIO_STATISTICS: %02x", stream_id);
-  mjpeg_info ("Audio stream length %d bytes.", (int)stream_length);
-  mjpeg_info ("Frames         : %8u ", num_frames[0]);
-  bs.close ();
-}
-
-/*************************************************************************
-	OutputAudioInfo
-	gibt gesammelte Informationen zu den Audio Access Units aus.
-
-	Prints information on audio access units
-*************************************************************************/
-
-void
-LPCMStream::OutputHdrInfo ()
-{
-  mjpeg_info ("LPCM AUDIO STREAM:");
-
-  mjpeg_info ("Bit rate       : %8u bytes/sec (%3u kbit/sec)",
-	      NominalBitRate () / 8, NominalBitRate ());
-  mjpeg_info ("Channels       :     %d\n", channels);
-  mjpeg_info ("Bits per sample:     %d\n", bits_per_sample);
-  mjpeg_info ("Frequency      :     %d Hz", samples_per_second);
-
-}
-
-
-unsigned int
-LPCMStream::ReadPacketPayload (uint8_t * dst, unsigned int to_read)
-{
-  unsigned int header_size = LPCMStream::StreamHeaderSize ();
-  unsigned int bytes_read = bs.read_buffered_bytes (dst + header_size,
-						    to_read - header_size);
-  clockticks decode_time;
-  bool starting_frame_found = false;
-  uint8_t starting_frame_index = 0;
-
-  int starting_frame_offset = (new_au_next_sec || au_unsent > bytes_read)
-    ? 0 : au_unsent;
-
-  unsigned int frames = 0;
-  unsigned int bytes_muxed = bytes_read;
-
-  if (bytes_muxed == 0 || MuxCompleted ()) {
-    goto completion;
-  }
-
-
-  /* Work through what's left of the current frames and the
-     following frames's updating the info until we reach a point where
-     an frame had to be split between packets. 
-
-     The DTS/PTS field for the packet in this case would have been
-     given the that for the first AU to start in the packet.
-
-   */
-
-  decode_time = RequiredDTS ();
-  while (au_unsent < bytes_muxed) {
-    assert (bytes_muxed > 1);
-    bufmodel.Queued (au_unsent, decode_time);
-    bytes_muxed -= au_unsent;
-    if (new_au_next_sec) {
-      ++frames;
-      if (!starting_frame_found) {
-	starting_frame_index = static_cast < uint8_t > (au->dorder % 20);
-	starting_frame_found = true;
-      }
-    }
-    if (!NextAU ()) {
-      goto completion;
-    }
-    new_au_next_sec = true;
-    decode_time = RequiredDTS ();
-  };
-
-  // We've now reached a point where the current AU overran or
-  // fitted exactly.  We need to distinguish the latter case so we
-  // can record whether the next packet starts with the tail end of
-  // // an already started frame or a new one. We need this info to
-  // decide what PTS/DTS info to write at the start of the next
-  // packet.
-
-  if (au_unsent > bytes_muxed) {
-    if (new_au_next_sec)
-      ++frames;
-    bufmodel.Queued (bytes_muxed, decode_time);
-    au_unsent -= bytes_muxed;
-    new_au_next_sec = false;
-  } else			//  if (au_unsent == bytes_muxed)
-  {
-    bufmodel.Queued (bytes_muxed, decode_time);
-    if (new_au_next_sec)
-      ++frames;
-    new_au_next_sec = NextAU ();
-  }
-completion:
-  // Generate the LPCM header...
-  // Note the index counts from the low byte of the offset so
-  // the smallest value is 1!
-  dst[0] = LPCM_SUB_STR_0 + stream_num;
-  dst[1] = frames;
-  dst[2] = (starting_frame_offset + 1) >> 8;
-  dst[3] = (starting_frame_offset + 1) & 0xff;
-  unsigned int bps_code;
-
-  switch (bits_per_sample) {
-    case 16:
-      bps_code = 0;
-      break;
-    case 20:
-      bps_code = 1;
-      break;
-    case 24:
-      bps_code = 2;
-      break;
-    default:
-      bps_code = 3;
-      break;
-  }
-  dst[4] = starting_frame_index;
-  unsigned int bsf_code = (samples_per_second == 48000) ? 0 : 1;
-  unsigned int channels_code = channels - 1;
-
-  dst[5] = (bps_code << 6) | (bsf_code << 4) | channels_code;
-  dst[6] = dynamic_range_code;
-  return bytes_read + header_size;
-}
-
-
-
-/* 
- * Local variables:
- *  c-file-style: "stroustrup"
- *  tab-width: 4
- *  indent-tabs-mode: nil
- * End:
- */