Remove hosted libid3tag & libmad

git-svn-id: https://svn.musicpd.org/mpd/trunk@4369 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 0 insertions, 582 deletions

diff --git a/src/libmad/decoder.c b/src/libmad/decoder.c
index 6d6df0db5..e69de29bb 100644
--- a/src/libmad/decoder.c
+++ b/src/libmad/decoder.c
@@ -1,582 +0,0 @@
-/*
- * libmad - MPEG audio decoder library
- * Copyright (C) 2000-2004 Underbit Technologies, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Id: decoder.c,v 1.22 2004/01/23 09:41:32 rob Exp $
- */
-
-# ifdef HAVE_CONFIG_H
-#  include "config.h"
-# endif
-
-# include "global.h"
-
-# ifdef HAVE_SYS_TYPES_H
-#  include <sys/types.h>
-# endif
-
-# ifdef HAVE_SYS_WAIT_H
-#  include <sys/wait.h>
-# endif
-
-# ifdef HAVE_UNISTD_H
-#  include <unistd.h>
-# endif
-
-# ifdef HAVE_FCNTL_H
-#  include <fcntl.h>
-# endif
-
-# include <stdlib.h>
-
-# ifdef HAVE_ERRNO_H
-#  include <errno.h>
-# endif
-
-# include "stream.h"
-# include "frame.h"
-# include "synth.h"
-# include "decoder.h"
-
-/*
- * NAME:	decoder->init()
- * DESCRIPTION:	initialize a decoder object with callback routines
- */
-void mad_decoder_init(struct mad_decoder *decoder, void *data,
-		      enum mad_flow (*input_func)(void *,
-						  struct mad_stream *),
-		      enum mad_flow (*header_func)(void *,
-						   struct mad_header const *),
-		      enum mad_flow (*filter_func)(void *,
-						   struct mad_stream const *,
-						   struct mad_frame *),
-		      enum mad_flow (*output_func)(void *,
-						   struct mad_header const *,
-						   struct mad_pcm *),
-		      enum mad_flow (*error_func)(void *,
-						  struct mad_stream *,
-						  struct mad_frame *),
-		      enum mad_flow (*message_func)(void *,
-						    void *, unsigned int *))
-{
-  decoder->mode         = -1;
-
-  decoder->options      = 0;
-
-  decoder->async.pid    = 0;
-  decoder->async.in     = -1;
-  decoder->async.out    = -1;
-
-  decoder->sync         = 0;
-
-  decoder->cb_data      = data;
-
-  decoder->input_func   = input_func;
-  decoder->header_func  = header_func;
-  decoder->filter_func  = filter_func;
-  decoder->output_func  = output_func;
-  decoder->error_func   = error_func;
-  decoder->message_func = message_func;
-}
-
-int mad_decoder_finish(struct mad_decoder *decoder)
-{
-# if defined(USE_ASYNC)
-  if (decoder->mode == MAD_DECODER_MODE_ASYNC && decoder->async.pid) {
-    pid_t pid;
-    int status;
-
-    close(decoder->async.in);
-
-    do
-      pid = waitpid(decoder->async.pid, &status, 0);
-    while (pid == -1 && errno == EINTR);
-
-    decoder->mode = -1;
-
-    close(decoder->async.out);
-
-    decoder->async.pid = 0;
-    decoder->async.in  = -1;
-    decoder->async.out = -1;
-
-    if (pid == -1)
-      return -1;
-
-    return (!WIFEXITED(status) || WEXITSTATUS(status)) ? -1 : 0;
-  }
-# endif
-
-  return 0;
-}
-
-# if defined(USE_ASYNC)
-static
-enum mad_flow send_io(int fd, void const *data, size_t len)
-{
-  char const *ptr = data;
-  ssize_t count;
-
-  while (len) {
-    do
-      count = write(fd, ptr, len);
-    while (count == -1 && errno == EINTR);
-
-    if (count == -1)
-      return MAD_FLOW_BREAK;
-
-    len -= count;
-    ptr += count;
-  }
-
-  return MAD_FLOW_CONTINUE;
-}
-
-static
-enum mad_flow receive_io(int fd, void *buffer, size_t len)
-{
-  char *ptr = buffer;
-  ssize_t count;
-
-  while (len) {
-    do
-      count = read(fd, ptr, len);
-    while (count == -1 && errno == EINTR);
-
-    if (count == -1)
-      return (errno == EAGAIN) ? MAD_FLOW_IGNORE : MAD_FLOW_BREAK;
-    else if (count == 0)
-      return MAD_FLOW_STOP;
-
-    len -= count;
-    ptr += count;
-  }
-
-  return MAD_FLOW_CONTINUE;
-}
-
-static
-enum mad_flow receive_io_blocking(int fd, void *buffer, size_t len)
-{
-  int flags, blocking;
-  enum mad_flow result;
-
-  flags = fcntl(fd, F_GETFL);
-  if (flags == -1)
-    return MAD_FLOW_BREAK;
-
-  blocking = flags & ~O_NONBLOCK;
-
-  if (blocking != flags &&
-      fcntl(fd, F_SETFL, blocking) == -1)
-    return MAD_FLOW_BREAK;
-
-  result = receive_io(fd, buffer, len);
-
-  if (flags != blocking &&
-      fcntl(fd, F_SETFL, flags) == -1)
-    return MAD_FLOW_BREAK;
-
-  return result;
-}
-
-static
-enum mad_flow send(int fd, void const *message, unsigned int size)
-{
-  enum mad_flow result;
-
-  /* send size */
-
-  result = send_io(fd, &size, sizeof(size));
-
-  /* send message */
-
-  if (result == MAD_FLOW_CONTINUE)
-    result = send_io(fd, message, size);
-
-  return result;
-}
-
-static
-enum mad_flow receive(int fd, void **message, unsigned int *size)
-{
-  enum mad_flow result;
-  unsigned int actual;
-
-  if (*message == 0)
-    *size = 0;
-
-  /* receive size */
-
-  result = receive_io(fd, &actual, sizeof(actual));
-
-  /* receive message */
-
-  if (result == MAD_FLOW_CONTINUE) {
-    if (actual > *size)
-      actual -= *size;
-    else {
-      *size  = actual;
-      actual = 0;
-    }
-
-    if (*size > 0) {
-      if (*message == 0) {
-	*message = malloc(*size);
-	if (*message == 0)
-	  return MAD_FLOW_BREAK;
-      }
-
-      result = receive_io_blocking(fd, *message, *size);
-    }
-
-    /* throw away remainder of message */
-
-    while (actual && result == MAD_FLOW_CONTINUE) {
-      char sink[256];
-      unsigned int len;
-
-      len = actual > sizeof(sink) ? sizeof(sink) : actual;
-
-      result = receive_io_blocking(fd, sink, len);
-
-      actual -= len;
-    }
-  }
-
-  return result;
-}
-
-static
-enum mad_flow check_message(struct mad_decoder *decoder)
-{
-  enum mad_flow result;
-  void *message = 0;
-  unsigned int size;
-
-  result = receive(decoder->async.in, &message, &size);
-
-  if (result == MAD_FLOW_CONTINUE) {
-    if (decoder->message_func == 0)
-      size = 0;
-    else {
-      result = decoder->message_func(decoder->cb_data, message, &size);
-
-      if (result == MAD_FLOW_IGNORE ||
-	  result == MAD_FLOW_BREAK)
-	size = 0;
-    }
-
-    if (send(decoder->async.out, message, size) != MAD_FLOW_CONTINUE)
-      result = MAD_FLOW_BREAK;
-  }
-
-  if (message)
-    free(message);
-
-  return result;
-}
-# endif
-
-static
-enum mad_flow error_default(void *data, struct mad_stream *stream,
-			    struct mad_frame *frame)
-{
-  int *bad_last_frame = data;
-
-  switch (stream->error) {
-  case MAD_ERROR_BADCRC:
-    if (*bad_last_frame)
-      mad_frame_mute(frame);
-    else
-      *bad_last_frame = 1;
-
-    return MAD_FLOW_IGNORE;
-
-  default:
-    return MAD_FLOW_CONTINUE;
-  }
-}
-
-static
-int run_sync(struct mad_decoder *decoder)
-{
-  enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *);
-  void *error_data;
-  int bad_last_frame = 0;
-  struct mad_stream *stream;
-  struct mad_frame *frame;
-  struct mad_synth *synth;
-  int result = 0;
-
-  if (decoder->input_func == 0)
-    return 0;
-
-  if (decoder->error_func) {
-    error_func = decoder->error_func;
-    error_data = decoder->cb_data;
-  }
-  else {
-    error_func = error_default;
-    error_data = &bad_last_frame;
-  }
-
-  stream = &decoder->sync->stream;
-  frame  = &decoder->sync->frame;
-  synth  = &decoder->sync->synth;
-
-  mad_stream_init(stream);
-  mad_frame_init(frame);
-  mad_synth_init(synth);
-
-  mad_stream_options(stream, decoder->options);
-
-  do {
-    switch (decoder->input_func(decoder->cb_data, stream)) {
-    case MAD_FLOW_STOP:
-      goto done;
-    case MAD_FLOW_BREAK:
-      goto fail;
-    case MAD_FLOW_IGNORE:
-      continue;
-    case MAD_FLOW_CONTINUE:
-      break;
-    }
-
-    while (1) {
-# if defined(USE_ASYNC)
-      if (decoder->mode == MAD_DECODER_MODE_ASYNC) {
-	switch (check_message(decoder)) {
-	case MAD_FLOW_IGNORE:
-	case MAD_FLOW_CONTINUE:
-	  break;
-	case MAD_FLOW_BREAK:
-	  goto fail;
-	case MAD_FLOW_STOP:
-	  goto done;
-	}
-      }
-# endif
-
-      if (decoder->header_func) {
-	if (mad_header_decode(&frame->header, stream) == -1) {
-	  if (!MAD_RECOVERABLE(stream->error))
-	    break;
-
-	  switch (error_func(error_data, stream, frame)) {
-	  case MAD_FLOW_STOP:
-	    goto done;
-	  case MAD_FLOW_BREAK:
-	    goto fail;
-	  case MAD_FLOW_IGNORE:
-	  case MAD_FLOW_CONTINUE:
-	  default:
-	    continue;
-	  }
-	}
-
-	switch (decoder->header_func(decoder->cb_data, &frame->header)) {
-	case MAD_FLOW_STOP:
-	  goto done;
-	case MAD_FLOW_BREAK:
-	  goto fail;
-	case MAD_FLOW_IGNORE:
-	  continue;
-	case MAD_FLOW_CONTINUE:
-	  break;
-	}
-      }
-
-      if (mad_frame_decode(frame, stream) == -1) {
-	if (!MAD_RECOVERABLE(stream->error))
-	  break;
-
-	switch (error_func(error_data, stream, frame)) {
-	case MAD_FLOW_STOP:
-	  goto done;
-	case MAD_FLOW_BREAK:
-	  goto fail;
-	case MAD_FLOW_IGNORE:
-	  break;
-	case MAD_FLOW_CONTINUE:
-	default:
-	  continue;
-	}
-      }
-      else
-	bad_last_frame = 0;
-
-      if (decoder->filter_func) {
-	switch (decoder->filter_func(decoder->cb_data, stream, frame)) {
-	case MAD_FLOW_STOP:
-	  goto done;
-	case MAD_FLOW_BREAK:
-	  goto fail;
-	case MAD_FLOW_IGNORE:
-	  continue;
-	case MAD_FLOW_CONTINUE:
-	  break;
-	}
-      }
-
-      mad_synth_frame(synth, frame);
-
-      if (decoder->output_func) {
-	switch (decoder->output_func(decoder->cb_data,
-				     &frame->header, &synth->pcm)) {
-	case MAD_FLOW_STOP:
-	  goto done;
-	case MAD_FLOW_BREAK:
-	  goto fail;
-	case MAD_FLOW_IGNORE:
-	case MAD_FLOW_CONTINUE:
-	  break;
-	}
-      }
-    }
-  }
-  while (stream->error == MAD_ERROR_BUFLEN);
-
- fail:
-  result = -1;
-
- done:
-  mad_synth_finish(synth);
-  mad_frame_finish(frame);
-  mad_stream_finish(stream);
-
-  return result;
-}
-
-# if defined(USE_ASYNC)
-static
-int run_async(struct mad_decoder *decoder)
-{
-  pid_t pid;
-  int ptoc[2], ctop[2], flags;
-
-  if (pipe(ptoc) == -1)
-    return -1;
-
-  if (pipe(ctop) == -1) {
-    close(ptoc[0]);
-    close(ptoc[1]);
-    return -1;
-  }
-
-  flags = fcntl(ptoc[0], F_GETFL);
-  if (flags == -1 ||
-      fcntl(ptoc[0], F_SETFL, flags | O_NONBLOCK) == -1) {
-    close(ctop[0]);
-    close(ctop[1]);
-    close(ptoc[0]);
-    close(ptoc[1]);
-    return -1;
-  }
-
-  pid = fork();
-  if (pid == -1) {
-    close(ctop[0]);
-    close(ctop[1]);
-    close(ptoc[0]);
-    close(ptoc[1]);
-    return -1;
-  }
-
-  decoder->async.pid = pid;
-
-  if (pid) {
-    /* parent */
-
-    close(ptoc[0]);
-    close(ctop[1]);
-
-    decoder->async.in  = ctop[0];
-    decoder->async.out = ptoc[1];
-
-    return 0;
-  }
-
-  /* child */
-
-  close(ptoc[1]);
-  close(ctop[0]);
-
-  decoder->async.in  = ptoc[0];
-  decoder->async.out = ctop[1];
-
-  _exit(run_sync(decoder));
-
-  /* not reached */
-  return -1;
-}
-# endif
-
-/*
- * NAME:	decoder->run()
- * DESCRIPTION:	run the decoder thread either synchronously or asynchronously
- */
-int mad_decoder_run(struct mad_decoder *decoder, enum mad_decoder_mode mode)
-{
-  int result;
-  int (*run)(struct mad_decoder *) = 0;
-
-  switch (decoder->mode = mode) {
-  case MAD_DECODER_MODE_SYNC:
-    run = run_sync;
-    break;
-
-  case MAD_DECODER_MODE_ASYNC:
-# if defined(USE_ASYNC)
-    run = run_async;
-# endif
-    break;
-  }
-
-  if (run == 0)
-    return -1;
-
-  decoder->sync = malloc(sizeof(*decoder->sync));
-  if (decoder->sync == 0)
-    return -1;
-
-  result = run(decoder);
-
-  free(decoder->sync);
-  decoder->sync = 0;
-
-  return result;
-}
-
-/*
- * NAME:	decoder->message()
- * DESCRIPTION:	send a message to and receive a reply from the decoder process
- */
-int mad_decoder_message(struct mad_decoder *decoder,
-			void *message, unsigned int *len)
-{
-# if defined(USE_ASYNC)
-  if (decoder->mode != MAD_DECODER_MODE_ASYNC ||
-      send(decoder->async.out, message, *len) != MAD_FLOW_CONTINUE ||
-      receive(decoder->async.in, &message, len) != MAD_FLOW_CONTINUE)
-    return -1;
-
-  return 0;
-# else
-  return -1;
-# endif
-}