Added debian extra dependency packages.

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

1 files changed, 258 insertions, 0 deletions

diff --git a/debian/transcode/transcode-1.1.7/export/export_mp2.c b/debian/transcode/transcode-1.1.7/export/export_mp2.c
new file mode 100644
index 00000000..6b35c018
--- /dev/null
+++ b/debian/transcode/transcode-1.1.7/export/export_mp2.c
@@ -0,0 +1,258 @@
+/*
+ *  export_mp2.c
+ *
+ *  Copyright (C) Simone Karin Lehmann, June 2004, based on export_ac3 by Daniel Pittman
+ *  Copyright (C) Daniel Pittman, 2003, based on export_ogg.c which was:
+ *  Copyright (C) Tilmann Bitterberg, July 2002
+ *
+ *  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.
+ *
+ */
+
+/* Usage:
+
+    This module processes audio streams only. There are no compile time depencies.
+    At run time, sox and ffmpeg must be present.
+
+    This module lets you encode audio to MPEG 1 Layer 2 audio aka mp2. It uses the
+    ffmpeg encoder and therefor it's very fast. Just do
+
+    -y <video_module>,mp2
+
+    Additionaly this module can change the speed of the audio stream by a factor the
+    user can specify. You need sox do do this. Use the module the follwing way
+
+    -y <video_module>,mp2=speed=N
+
+    where N is an unsigned float. N < 1.0 will slow down audio (meaning playing time will
+    increase) whereas N > 1.0 will speed up audio (meaning playing time will decrease)
+    The pitch of the audio is not corrected. E.g. to speed up audio by 25/23.976 (this
+    is used to convert NTSC film material to PAL) use
+
+    -y <video_module>,mp2=speed=1.0427093
+
+*/
+
+#define MOD_NAME    "export_mp2.so"
+#define MOD_VERSION "v0.2.1 (2004-08-06)"
+#define MOD_CODEC   "(audio) MPEG 1/2"
+
+#include "transcode.h"
+#include "libtc/optstr.h"
+
+#include <stdio.h>
+#include <unistd.h>
+
+static int   verbose_flag=TC_QUIET;
+static int   capability_flag=TC_CAP_PCM;
+
+#define MOD_PRE mp2
+#include "export_def.h"
+
+static FILE *pFile = NULL;
+static double speed = 0.0;
+
+static inline int p_write (char *buf, size_t len)
+{
+    size_t n  = 0;
+    size_t r  = 0;
+    int    fd = fileno (pFile);
+
+    while (r < len)
+    {
+        if ((n = write (fd, buf + r, len - r)) < 0)
+	    return n;
+
+        r += n;
+    }
+
+    return r;
+}
+
+/* ------------------------------------------------------------
+ *
+ * open codec
+ *
+ * ------------------------------------------------------------*/
+
+MOD_open
+{
+    int result, srate;
+
+    /* check for ffmpeg */
+    if (tc_test_program("ffmpeg") != 0) return (TC_EXPORT_ERROR);
+
+    if (param->flag == TC_AUDIO) {
+	    char buf [PATH_MAX];
+        char out_fname [PATH_MAX];
+        char *ptr = buf;
+
+        strlcpy(out_fname, vob->audio_out_file, sizeof(out_fname));
+	if (strcmp(vob->audio_out_file, vob->video_out_file) == 0)
+            strlcat(out_fname, ".mpa", sizeof(out_fname));
+
+	if (vob->mp3bitrate == 0) {
+            tc_log_warn (MOD_NAME, "Audio bitrate 0 is not valid, cannot cope.");
+            return(TC_EXPORT_ERROR);
+        }
+
+    srate = (vob->mp3frequency != 0) ? vob->mp3frequency : vob->a_rate;
+
+    // need sox for speed changing?
+    if (speed > 0.0) {
+
+        /* check for sox */
+        if (tc_test_program("sox") != 0) return (TC_EXPORT_ERROR);
+
+        result = tc_snprintf(buf, PATH_MAX,
+                            "sox %s -s -c %d -r %d -t raw - -r %d -t wav - speed %.10f | ",
+                            vob->dm_bits == 16 ? "-w" : "-b",
+                            vob->dm_chan,
+                            vob->a_rate,
+                            vob->a_rate,
+                            speed);
+	if (result < 0)
+	        return(TC_EXPORT_ERROR);
+
+        ptr = buf + strlen(buf);
+	}
+
+    result = tc_snprintf (ptr, PATH_MAX - strlen(buf),
+                           "ffmpeg -y -f s%d%s -ac %d -ar %d -i - -ab %dk -ar %d -f mp2 %s%s",
+                           vob->dm_bits,
+                           ((vob->dm_bits > 8) ? "le" : ""),
+                           vob->dm_chan,
+                           vob->a_rate,
+                           vob->mp3bitrate,
+                           srate,
+                           out_fname,
+                           vob->verbose > 1 ? "" : " >/dev/null 2>&1");
+
+    if (result < 0)
+        return(TC_EXPORT_ERROR);
+
+    if (verbose > 0)
+        tc_log_info (MOD_NAME, "%s", buf);
+
+	if ((pFile = popen (buf, "w")) == NULL)
+	    return(TC_EXPORT_ERROR);
+
+	return(0);
+
+    }
+
+    if (param->flag == TC_VIDEO)
+	    return(0);
+
+    // invalid flag
+    return(TC_EXPORT_ERROR);
+}
+
+/* ------------------------------------------------------------
+ *
+ * init codec
+ *
+ * ------------------------------------------------------------*/
+
+MOD_init
+{
+    if(param->flag == TC_AUDIO)
+    {
+        if (vob->ex_a_string) {
+            optstr_get(vob->ex_a_string, "speed", "%lf", &speed);
+        }
+        return(0);
+    }
+
+    if (param->flag == TC_VIDEO)
+	    return(0);
+
+    // invalid flag
+    return(TC_EXPORT_ERROR);
+}
+
+
+/* ------------------------------------------------------------
+ *
+ * encode and export
+ *
+ * ------------------------------------------------------------*/
+
+MOD_encode
+{
+    if(param->flag == TC_AUDIO)
+    {
+        if (p_write (param->buffer, param->size) != param->size)
+        {
+            tc_log_perror(MOD_NAME, "write audio frame");
+            return(TC_EXPORT_ERROR);
+        }
+        return (0);
+    }
+
+    if (param->flag == TC_VIDEO)
+        return(0);
+
+    // invalid flag
+    return(TC_EXPORT_ERROR);
+}
+
+
+/* ------------------------------------------------------------
+ *
+ * stop codec
+ *
+ * ------------------------------------------------------------*/
+
+MOD_stop
+{
+    if (param->flag == TC_VIDEO)
+        return (0);
+
+    if (param->flag == TC_AUDIO)
+	    return (0);
+
+    return(TC_EXPORT_ERROR);
+}
+
+
+/* ------------------------------------------------------------
+ *
+ * close codec
+ *
+ * ------------------------------------------------------------*/
+
+MOD_close
+{
+    if (param->flag == TC_VIDEO)
+	return (0);
+
+    if (param->flag == TC_AUDIO)
+    {
+        if (pFile)
+            pclose (pFile);
+
+	    pFile = NULL;
+
+        return(0);
+    }
+
+    return (TC_EXPORT_ERROR);
+}
+
+/* vim: sw=4
+ */