ref: fd5fd8eedefbf7722c684c6e5c2689024cf7dfe6
parent: 374f9408a0468eb756887e0e7aef5955836f628f
author: robs <robs>
date: Mon Jul 14 04:40:00 EDT 2008
Can now fade out to EOF without giving file-length (if it can be determined from the input file header)
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,7 +8,7 @@
sox-14.1.0 2008-TBD
----------
-Previously deprecated features that are removed in this release:
+Previously deprecated features that have been removed in this release:
Deprec- Feature [O(ption)]
ated in [F(ormat)] [E(ffect)] Replacement
@@ -21,7 +21,7 @@
13.0.0 E vibro ~= tremolo
13.0.0 F auto Becomes internal only
-Previously deprecated features to be removed in future:
+Previously deprecated features (to be removed in future):
Deprec- Feature [O(ption)] Removal
ated in [F(ormat)] [E(ffect)] Replacement due after
@@ -29,7 +29,7 @@
14.0.0 E stretch ~= tempo 2008-09-11
14.0.0 E pitch ~= key 2008-09-11
-Newly deprecated features to be removed in future:
+Newly deprecated features (to be removed in future):
Deprec- Feature [O(ption)] Removal
ated in [F(ormat)] [E(ffect)] Replacement due after
@@ -85,6 +85,8 @@
o New `spectrogram' effect; creates a PNG (if built with PNG lib). (robs)
o `synth' can now sweep linearly and squarely (as well as
exponentially). (robs)
+ o Can now `fade' out to EOF without giving file-length (if it can
+ be determined from the input file header). (robs)
o Fix synth max. level setting for some output encodings. (robs)
o Fix crash on 64-bit arch. with tempo & key effects. (Sami Liedes)
o `gain' alias for the vol effect. (robs)
--- a/soxeffect.7
+++ b/soxeffect.7
@@ -393,6 +393,10 @@
No fade-out is performed if
.I stop-time
is not specified.
+If the file length can be determined from the input file header and length-changing effects are not in effect, then \fB0\fR may be specified for
+.I stop-time
+to indicate the usual case of a fade-out that ends at the end of the input
+audio stream.
.SP
All times can be specified in either periods of time or sample counts.
To specify time periods use the format hh:mm:ss.frac format. To specify
--- a/src/fade.c
+++ b/src/fade.c
@@ -129,6 +129,14 @@
&fade->out_stop, 't') == NULL)
return lsx_usage(effp);
+ if (!fade->out_stop) {+ fade->out_stop = effp->in_signal.length;
+ if (!fade->out_stop) {+ sox_fail("cannot fade out: audio length is neither known nor given");+ return SOX_EOF;
+ }
+ }
+
/* See if user wants to fade out. */
if (fade->out_start_str)
{--- a/src/sox.c
+++ b/src/sox.c
@@ -1666,9 +1666,14 @@
if (sox_globals.verbosity > 2)
display_SoX_version(stderr);
- /* Make sure we got at least the required # of input filenames */
input_count = file_count ? file_count - 1 : 0;
- if (input_count < (is_serial(combine_method) ? 1 : 2))
+
+ /* Allow e.g. known length processing in this case */
+ if (combine_method == sox_sequence && input_count == 1)
+ combine_method = sox_concatenate;
+
+ /* Make sure we got at least the required # of input filenames */
+ if (input_count < is_serial(combine_method ? 1 : 2))
usage("Not enough input filenames specified");/* Check for misplaced input/output-specific options */