Added debian extra dependency packages.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

1 files changed, 215 insertions, 0 deletions

diff --git a/debian/transcode/transcode-1.1.7/import/import_ac3.c b/debian/transcode/transcode-1.1.7/import/import_ac3.c
new file mode 100644
index 00000000..344fcba7
--- /dev/null
+++ b/debian/transcode/transcode-1.1.7/import/import_ac3.c
@@ -0,0 +1,215 @@
+/*
+ *  import_ac3.c
+ *
+ *  Copyright (C) Thomas Oestreich - June 2001
+ *
+ *  This file is part of transcode, a video stream processing tool
+ *
+ *  transcode 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, or (at your option)
+ *  any later version.
+ *
+ *  transcode 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 GNU Make; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#define MOD_NAME    "import_ac3.so"
+#define MOD_VERSION "v0.3.2 (2002-02-15)"
+#define MOD_CODEC   "(audio) AC3"
+
+#include "transcode.h"
+
+static int verbose_flag = TC_QUIET;
+static int capability_flag = TC_CAP_PCM | TC_CAP_AC3;
+
+#define MOD_PRE ac3
+#include "import_def.h"
+
+#include "ac3scan.h"
+
+
+char import_cmd_buf[TC_BUF_MAX];
+
+static FILE *fd;
+
+static int codec, syncf=0;
+static int pseudo_frame_size=0, real_frame_size=0, effective_frame_size=0;
+static int ac3_bytes_to_go=0;
+
+
+/* ------------------------------------------------------------
+ *
+ * open stream
+ *
+ * ------------------------------------------------------------*/
+
+MOD_open
+{
+    long sret;
+
+    // audio only
+    if(param->flag != TC_AUDIO) return(TC_IMPORT_ERROR);
+
+    codec = vob->im_a_codec;
+    syncf = vob->sync;
+
+    switch(codec) {
+
+    case CODEC_AC3:
+
+	// produce a clean sequence of AC3 frames
+	sret = tc_snprintf(import_cmd_buf, TC_BUF_MAX,
+		"tcextract -a %d -i \"%s\" -x ac3 -d %d |"
+		" tcextract -t raw -x ac3 -d %d",
+		vob->a_track, vob->audio_in_file, vob->verbose, vob->verbose);
+        if (sret < 0)
+	    return(TC_IMPORT_ERROR);
+
+	if(verbose_flag) tc_log_info(MOD_NAME, "AC3->AC3");
+
+	break;
+
+    case CODEC_PCM:
+
+	if(vob->a_codec_flag==CODEC_AC3) {
+
+	    sret = tc_snprintf(import_cmd_buf, TC_BUF_MAX,
+			"tcextract -a %d -i \"%s\" -x ac3 -d %d |"
+			" tcdecode -x ac3 -d %d -s %f,%f,%f -A %d",
+			vob->a_track, vob->audio_in_file, vob->verbose,
+			vob->verbose, vob->ac3_gain[0], vob->ac3_gain[1],
+			vob->ac3_gain[2], vob->a52_mode);
+            if (sret < 0)
+	        return(TC_IMPORT_ERROR);
+
+	    if(verbose_flag) tc_log_info(MOD_NAME, "AC3->PCM");
+	}
+
+	break;
+
+    default:
+	tc_log_warn(MOD_NAME, "invalid import codec request 0x%x", codec);
+	return(TC_IMPORT_ERROR);
+
+    }
+
+    // print out
+    if(verbose_flag)
+        tc_log_info(MOD_NAME, "%s", import_cmd_buf);
+
+    // set to NULL if we handle read
+    param->fd = NULL;
+
+    // popen
+    if((fd = popen(import_cmd_buf, "r"))== NULL) {
+	tc_log_perror(MOD_NAME, "popen pcm stream");
+	return(TC_IMPORT_ERROR);
+    }
+
+    return(TC_IMPORT_OK);
+}
+
+/* ------------------------------------------------------------
+ *
+ * decode stream
+ *
+ * ------------------------------------------------------------*/
+
+MOD_decode
+{
+
+  int ac_bytes=0, ac_off=0;
+  int num_frames;
+
+  // audio only
+  if(param->flag != TC_AUDIO) return(TC_IMPORT_ERROR);
+
+  switch(codec) {
+
+  case CODEC_AC3:
+
+      // determine frame size at the very beginning of the stream
+
+      if (pseudo_frame_size == 0) {
+
+	  if (ac3scan(fd, param->buffer, param->size, &ac_off, &ac_bytes,
+			&pseudo_frame_size, &real_frame_size, verbose) != 0)
+		return(TC_IMPORT_ERROR);
+
+      } else {
+	  ac_off = 0;
+	  ac_bytes = pseudo_frame_size;
+      }
+
+
+      // switch to entire frames:
+      // bytes_to_go is the difference between requested bytes and
+      // delivered bytes
+      //
+      // pseudo_frame_size = average bytes per audio frame
+      // real_frame_size = real AC3 frame size in bytes
+
+      num_frames = (ac_bytes + ac3_bytes_to_go) / real_frame_size;
+
+      effective_frame_size = num_frames * real_frame_size;
+      ac3_bytes_to_go = ac_bytes + ac3_bytes_to_go - effective_frame_size;
+
+      // return effective_frame_size as physical size of audio data
+      param->size = effective_frame_size;
+
+      if (verbose_flag & TC_STATS)
+	  tc_log_info(MOD_NAME, "pseudo=%d, real=%d, frames=%d, effective=%d",
+			ac_bytes, real_frame_size, num_frames,
+			effective_frame_size);
+
+      // adjust
+      ac_bytes=effective_frame_size;
+
+      if(syncf>0) {
+	  //dump an ac3 frame, instead of a pcm frame
+	  ac_bytes = real_frame_size-ac_off;
+	  param->size = real_frame_size;
+	  --syncf;
+      }
+
+      break;
+
+  case CODEC_PCM:
+
+    //default:
+    ac_off   = 0;
+    ac_bytes = param->size;
+    break;
+
+  default:
+    tc_log_warn(MOD_NAME, "invalid import codec request 0x%x", codec);
+      return(TC_IMPORT_ERROR);
+
+  }
+
+  if (fread(param->buffer+ac_off, ac_bytes-ac_off, 1, fd) !=1)
+      return(TC_IMPORT_ERROR);
+
+  return(TC_IMPORT_OK);
+}
+
+/* ------------------------------------------------------------
+ *
+ * close stream
+ *
+ * ------------------------------------------------------------*/
+
+MOD_close
+{
+  if(param->fd != NULL) pclose(param->fd);
+
+  return(TC_IMPORT_OK);
+}