initial commit for WC3 movie demuxer

CVS patchset: 2426
CVS date: 2002/08/10 20:58:44

2 files changed, 427 insertions, 1 deletions

diff --git a/src/demuxers/Makefile.am b/src/demuxers/Makefile.am
index 1064c6b8d..ff627746d 100644
--- a/src/demuxers/Makefile.am
+++ b/src/demuxers/Makefile.am
@@ -29,7 +29,7 @@ lib_LTLIBRARIES = $(ogg_module) $(qt_modules) $(asf_module) xineplug_dmx_avi.la
 	xineplug_dmx_cda.la xineplug_dmx_film.la \
 	xineplug_dmx_roq.la xineplug_dmx_fli.la \
 	xineplug_dmx_smjpeg.la xineplug_dmx_wav.la \
-	xineplug_dmx_idcin.la
+	xineplug_dmx_idcin.la xineplug_dmx_wc3movie.la
 
 xineplug_dmx_ogg_la_SOURCES = demux_ogg.c
 xineplug_dmx_ogg_la_LIBADD = $(OGG_LIBS) \
@@ -100,6 +100,10 @@ xineplug_dmx_idcin_la_SOURCES = demux_idcin.c
 xineplug_dmx_idcin_la_LIBADD = $(top_builddir)/src/xine-engine/libxine.la
 xineplug_dmx_idcin_la_LDFLAGS = -avoid-version -module
 
+xineplug_dmx_wc3movie_la_SOURCES = demux_wc3movie.c
+xineplug_dmx_wc3movie_la_LIBADD = $(top_builddir)/src/xine-engine/libxine.la
+xineplug_dmx_wc3movie_la_LDFLAGS = -avoid-version -module
+
 include_HEADERS = demux.h qtpalette.h
 
 ##
diff --git a/src/demuxers/demux_wc3movie.c b/src/demuxers/demux_wc3movie.c
new file mode 100644
index 000000000..00c1dc0ce
--- /dev/null
+++ b/src/demuxers/demux_wc3movie.c
@@ -0,0 +1,422 @@
+/*
+ * Copyright (C) 2000-2002 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine 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.
+ *
+ * xine 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
+ *
+ * File Demuxer for Wing Commander III MVE movie files
+ *   by Mike Melanson (melanson@pcisys.net)
+ * For more information on the MVE file format, visit:
+ *   http://www.pcisys.net/~melanson/codecs/
+ *
+ * $Id: demux_wc3movie.c,v 1.1 2002/08/10 20:58:44 tmmm Exp $
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "xine_internal.h"
+#include "xineutils.h"
+#include "compat.h"
+#include "demux.h"
+#include "bswap.h"
+
+#define BE_16(x) (be2me_16(*(unsigned short *)(x)))
+#define BE_32(x) (be2me_32(*(unsigned int *)(x)))
+#define LE_16(x) (le2me_16(*(unsigned short *)(x)))
+#define LE_32(x) (le2me_32(*(unsigned int *)(x)))
+
+#define FOURCC_TAG( ch0, ch1, ch2, ch3 ) \
+        ( (long)(unsigned char)(ch3) | \
+        ( (long)(unsigned char)(ch2) << 8 ) | \
+        ( (long)(unsigned char)(ch1) << 16 ) | \
+        ( (long)(unsigned char)(ch0) << 24 ) )
+
+#define FORM_TAG FOURCC_TAG('F', 'O', 'R', 'M')
+#define MOVE_TAG FOURCC_TAG('M', 'O', 'V', 'E')
+#define PC_TAG   FOURCC_TAG('_', 'P', 'C', '_')
+#define SOND_TAG FOURCC_TAG('S', 'O', 'N', 'D')
+#define PALT_TAG FOURCC_TAG('P', 'A', 'L', 'T')
+#define BRCH_TAG FOURCC_TAG('B', 'R', 'C', 'H')
+#define SHOT_TAG FOURCC_TAG('S', 'H', 'O', 'T')
+#define VGA_TAG  FOURCC_TAG('V', 'G', 'A', ' ')
+#define AUDI_TAG FOURCC_TAG('A', 'U', 'D', 'I')
+
+#define PREAMBLE_SIZE 8
+
+#define VALID_ENDS   "mve"
+
+typedef struct {
+
+  demux_plugin_t       demux_plugin;
+
+  xine_t              *xine;
+
+  config_values_t     *config;
+
+  fifo_buffer_t       *video_fifo;
+  fifo_buffer_t       *audio_fifo;
+
+  input_plugin_t      *input;
+
+  pthread_t            thread;
+  int                  thread_running;
+  pthread_mutex_t      mutex;
+  int                  send_end_buffers;
+
+  off_t                start;
+  int                  status;
+
+  unsigned int         fps;
+  unsigned int         frame_pts_inc;
+
+  xine_waveformatex    wave;
+
+} demux_mve_t;
+
+static void *demux_mve_loop (void *this_gen) {
+
+  demux_mve_t *this = (demux_mve_t *) this_gen;
+  buf_element_t *buf = NULL;
+  int64_t current_pts = 0;
+  unsigned char preamble[PREAMBLE_SIZE];
+  unsigned int chunk_tag;
+  unsigned int chunk_size;
+  unsigned int audio_frames;
+  uint64_t total_frames = 0;
+
+  pthread_mutex_lock( &this->mutex );
+
+  /* do-while needed to seek after demux finished */
+  do {
+    /* main demuxer loop */
+    while (this->status == DEMUX_OK) {
+
+      /* someone may want to interrupt us */
+      pthread_mutex_unlock( &this->mutex );
+      pthread_mutex_lock( &this->mutex );
+
+      /* traverse through the chunks just past the header */
+      this->input->seek(this->input, 12, SEEK_SET);
+
+      while (this->status == DEMUX_OK) {
+        if (this->input->read(this->input, preamble, PREAMBLE_SIZE) !=
+          PREAMBLE_SIZE)
+          this->status = DEMUX_FINISHED;
+        else {
+          chunk_tag = BE_32(&preamble[0]);
+          /* round up to the nearest even size */
+          chunk_size = (BE_32(&preamble[4]) + 1) & (~1);
+
+/*
+          printf ("  %c%c%c%c chunk containing 0x%X bytes @ %llX\n",
+            preamble[0],
+            preamble[1],
+            preamble[2],
+            preamble[3],
+            chunk_size,
+            this->input->get_current_pos(this->input) - 8);
+*/
+
+          /* skip it */
+          if (chunk_tag != AUDI_TAG)
+            this->input->seek(this->input, chunk_size, SEEK_CUR);
+          else {
+            audio_frames = 
+              chunk_size * 8 / this->wave.wBitsPerSample / 
+              this->wave.nChannels;
+            total_frames += audio_frames;
+            current_pts = total_frames;
+            current_pts *= 90000;
+            current_pts /= this->wave.nSamplesPerSec;
+/*
+printf ("  sending %d bytes, %d frames, %lld samples, pts = %lld\n",
+  chunk_size,
+  audio_frames,
+  total_frames,
+  current_pts);
+*/
+            while (chunk_size) {
+              buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo);
+              buf->type = BUF_AUDIO_LPCM_LE;
+//              buf->input_pos = current_file_pos;
+//              buf->input_length = this->data_end;
+              buf->input_time = current_pts / 90000;
+              buf->pts = current_pts;
+
+              if (chunk_size > buf->max_size)
+                buf->size = buf->max_size;
+              else
+                buf->size = chunk_size;
+              chunk_size -= buf->size;
+
+              if (this->input->read(this->input, buf->content, buf->size) !=
+                buf->size) {
+                buf->free_buffer(buf);
+                this->status = DEMUX_FINISHED;
+                break;
+              }
+
+              if (!chunk_size)
+                buf->decoder_flags |= BUF_FLAG_FRAME_END;
+
+              this->audio_fifo->put (this->audio_fifo, buf);
+            }
+          }
+        }
+      }
+    }
+
+    /* wait before sending end buffers: user might want to do a new seek */
+    while(this->send_end_buffers && this->audio_fifo->size(this->audio_fifo) &&
+          this->status != DEMUX_OK){
+      pthread_mutex_unlock( &this->mutex );
+      xine_usec_sleep(100000);
+      pthread_mutex_lock( &this->mutex );
+    }
+
+  } while (this->status == DEMUX_OK);
+
+  printf ("demux_wc3mve: demux loop finished (status: %d)\n",
+          this->status);
+
+  this->status = DEMUX_FINISHED;
+
+  if (this->send_end_buffers) {
+    xine_demux_control_end(this->xine, BUF_FLAG_END_STREAM);
+  }
+
+  this->thread_running = 0;
+  pthread_mutex_unlock(&this->mutex);
+  return NULL;
+}
+
+static int demux_mve_open(demux_plugin_t *this_gen, input_plugin_t *input,
+                          int stage) {
+  demux_mve_t *this = (demux_mve_t *) this_gen;
+  char header[16];
+
+  this->input = input;
+
+  switch(stage) {
+  case STAGE_BY_CONTENT: {
+    if ((input->get_capabilities(input) & INPUT_CAP_SEEKABLE) == 0)
+      return DEMUX_CANNOT_HANDLE;
+
+    input->seek(input, 0, SEEK_SET);
+    if (input->read(input, header, 16) != 16)
+      return DEMUX_CANNOT_HANDLE;
+
+    if ((BE_32(&header[0]) == FORM_TAG) &&
+        (BE_32(&header[8]) == MOVE_TAG) &&
+        (BE_32(&header[12]) == PC_TAG))
+      return DEMUX_CAN_HANDLE;
+
+    return DEMUX_CANNOT_HANDLE;
+  }
+  break;
+
+  case STAGE_BY_EXTENSION: {
+    char *suffix;
+    char *MRL;
+    char *m, *valid_ends;
+
+    MRL = input->get_mrl (input);
+
+    suffix = strrchr(MRL, '.');
+
+    if(!suffix)
+      return DEMUX_CANNOT_HANDLE;
+
+    xine_strdupa(valid_ends, (this->config->register_string(this->config,
+                                                            "mrl.ends_mve", VALID_ENDS,
+                                                            _("valid mrls ending for mve demuxer"),
+                                                            NULL, NULL, NULL)));    while((m = xine_strsep(&valid_ends, ",")) != NULL) {
+
+      while(*m == ' ' || *m == '\t') m++;
+
+      if(!strcasecmp((suffix + 1), m)) {
+        this->input = input;
+        return DEMUX_CAN_HANDLE;
+      }
+    }
+    return DEMUX_CANNOT_HANDLE;
+  }
+  break;
+
+  default:
+    return DEMUX_CANNOT_HANDLE;
+    break;
+
+  }
+
+  return DEMUX_CANNOT_HANDLE;
+}
+
+static int demux_mve_start (demux_plugin_t *this_gen,
+                            fifo_buffer_t *video_fifo,
+                            fifo_buffer_t *audio_fifo,
+                            off_t start_pos, int start_time) {
+
+  demux_mve_t *this = (demux_mve_t *) this_gen;
+  buf_element_t *buf;
+  int err;
+
+  /* if thread is not running, initialize demuxer */
+  if (!this->thread_running) {
+    this->video_fifo = video_fifo;
+    this->audio_fifo = audio_fifo;
+
+    /* send start buffers */
+    xine_demux_control_start(this->xine);
+
+    /* send new pts */
+    xine_demux_control_newpts(this->xine, 0, 0);
+
+    /* send init info to decoders */
+    if (this->audio_fifo) {
+      this->wave.wFormatTag = 1;
+      this->wave.nChannels = 1;
+      this->wave.nSamplesPerSec = 22050;
+      this->wave.wBitsPerSample = 16;
+      this->wave.nBlockAlign = (this->wave.wBitsPerSample / 8) * this->wave.nChannels;
+      this->wave.nAvgBytesPerSec = this->wave.nBlockAlign * this->wave.nSamplesPerSec;
+
+      buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo);
+      buf->type = BUF_AUDIO_LPCM_LE;
+      buf->decoder_flags = BUF_FLAG_HEADER;
+      buf->decoder_info[0] = 0;
+      buf->decoder_info[1] = this->wave.nSamplesPerSec;
+      buf->decoder_info[2] = this->wave.wBitsPerSample;
+      buf->decoder_info[3] = this->wave.nChannels;
+      buf->content = (void *)&this->wave;
+      buf->size = sizeof(this->wave);
+      this->audio_fifo->put (this->audio_fifo, buf);
+    }
+
+    this->status = DEMUX_OK;
+    this->send_end_buffers = 1;
+    this->thread_running = 1;
+
+    if ((err = pthread_create (&this->thread, NULL, demux_mve_loop, this)) != 0) {
+      printf ("demux_wc3mve: can't create new thread (%s)\n", strerror(err));
+      abort();
+    }
+  }
+
+  pthread_mutex_unlock(&this->mutex);
+
+  return DEMUX_OK;
+}
+
+static int demux_mve_seek (demux_plugin_t *this_gen,
+                           off_t start_pos, int start_time) {
+
+  /* MVE files are not meant to be seekable; don't even bother */
+
+  return 0;
+}
+
+static void demux_mve_stop (demux_plugin_t *this_gen) {
+
+  demux_mve_t *this = (demux_mve_t *) this_gen;
+  void *p;
+
+  pthread_mutex_lock( &this->mutex );
+
+  if (!this->thread_running) {
+    pthread_mutex_unlock( &this->mutex );
+    return;
+  }
+
+  this->send_end_buffers = 0;
+  this->status = DEMUX_FINISHED;
+
+  pthread_mutex_unlock( &this->mutex );
+  pthread_join (this->thread, &p);
+
+  xine_demux_flush_engine(this->xine);
+
+  xine_demux_control_end(this->xine, BUF_FLAG_END_USER);
+}
+
+static void demux_mve_close (demux_plugin_t *this) {
+  free(this);
+}
+
+static int demux_mve_get_status (demux_plugin_t *this_gen) {
+  demux_mve_t *this = (demux_mve_t *) this_gen;
+
+  return this->status;
+}
+
+static char *demux_mve_get_id(void) {
+  return "WC3 MOVIE";
+}
+
+static int demux_mve_get_stream_length (demux_plugin_t *this_gen) {
+
+  return 0;
+}
+
+static char *demux_mve_get_mimetypes(void) {
+  return NULL;
+}
+
+
+demux_plugin_t *init_demuxer_plugin(int iface, xine_t *xine) {
+  demux_mve_t *this;
+
+  if (iface != 10) {
+    printf (_("demux_wc3movie: plugin doesn't support plugin API version %d.\n"
+              "                this means there's a version mismatch between xine and this "
+              "                demuxer plugin.\nInstalling current demux plugins should help.\n"),
+            iface);
+    return NULL;
+  }
+
+  this         = (demux_mve_t *) xine_xmalloc(sizeof(demux_mve_t));
+  this->config = xine->config;
+  this->xine   = xine;
+
+  (void *) this->config->register_string(this->config,
+                                         "mrl.ends_mve", VALID_ENDS,
+                                         _("valid mrls ending for mve demuxer"),                                         NULL, NULL, NULL);
+
+  this->demux_plugin.interface_version = DEMUXER_PLUGIN_IFACE_VERSION;
+  this->demux_plugin.open              = demux_mve_open;
+  this->demux_plugin.start             = demux_mve_start;
+  this->demux_plugin.seek              = demux_mve_seek;
+  this->demux_plugin.stop              = demux_mve_stop;
+  this->demux_plugin.close             = demux_mve_close;
+  this->demux_plugin.get_status        = demux_mve_get_status;
+  this->demux_plugin.get_identifier    = demux_mve_get_id;
+  this->demux_plugin.get_stream_length = demux_mve_get_stream_length;
+  this->demux_plugin.get_mimetypes     = demux_mve_get_mimetypes;
+
+  this->status = DEMUX_FINISHED;
+  pthread_mutex_init(&this->mutex, NULL);
+
+  return &this->demux_plugin;
+}