From 43d33129903823d162df132ab9293a903e053776 Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sat, 4 May 2013 21:04:19 +0000
Subject: Ajout Copyright 2013 + amelioration capture pulse
git-svn-id: file:///var/svn/2012-violon-leds/trunk@34 6be1fa4d-33ac-4c33-becc-79fcb3794bb6
---
src/Makefile | 5 ++---
src/capture.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++--------
src/compute.c | 6 +++---
src/gui.glade | 2 +-
src/hsv2rgb.c | 2 +-
src/illuminate.c | 2 +-
src/instru2light.c | 4 ++--
src/win_main.c | 2 +-
8 files changed, 64 insertions(+), 21 deletions(-)
diff --git a/src/Makefile b/src/Makefile
index 17a38f5..e7ddab8 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,7 +1,6 @@
CC=gcc
-# For debug
-#CFLAGS=-W -Wall -Werror -Wno-error=unused-parameter -g
-CFLAGS=-W -Wall -Wno-error=unused-parameter -g
+# For working
+CFLAGS=-W -Wall -Werror -Wno-error=unused-parameter -g
#LDFLAGS=-Werror -g
# For release
diff --git a/src/capture.c b/src/capture.c
index f9bb8f5..347cc4c 100644
--- a/src/capture.c
+++ b/src/capture.c
@@ -1,6 +1,6 @@
/*
Instru2Light - Illumine un instrument de musique en temps réel
- Copyright (C) 2012 Ludovic Pouzenc <lpouzenc@gmail.com>
+ Copyright (C) 2012-2013 Ludovic Pouzenc <lpouzenc@gmail.com>
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
@@ -18,6 +18,7 @@
#include "capture.h"
#include <pulse/pulseaudio.h>
#include <gtk/gtk.h>
+#include <string.h> // memcpy()
#define APP_TITLE "Test 5 lpo"
#define BUFSIZE 1024
@@ -64,7 +65,7 @@ int capture_init(pa_mainloop **m, pa_context **c) {
*m=pa_mainloop_new();
g_assert(*m);
- *c = pa_context_new(pa_mainloop_get_api(*m), APP_TITLE);
+ *c = pa_context_new(pa_mainloop_get_api(*m), APP_TITLE);
g_assert(*c);
pa_context_set_state_callback(*c, context_state_callback, NULL);
@@ -158,11 +159,11 @@ void context_get_source_info_callback(pa_context *c, const pa_source_info *si, i
pa_stream *create_stream(pa_context *c, const pa_source_info *si) {
static const pa_buffer_attr ba={
+ //.maxlength=-1,
.maxlength=-1,
.tlength=1024,
.prebuf=-1,
.minreq=-1,
- //.minreq=256, //For FFT calculus
.fragsize=512
};
@@ -223,19 +224,62 @@ void stream_state_callback(pa_stream *s, void *userdata) {
}
}
-void stream_read_callback(pa_stream *s, size_t nbytes, void *userdata) {
- const void *p;
+void stream_read_callback(pa_stream *s, size_t bytes_new, void *userdata) {
+ const void *pa_data=NULL;
+ void *buf=NULL, *process_data=NULL;
+ size_t bytes_readable, bytes_read, process_size, buf_index=0;
//printf("stream_read_callback %i\n", nbytes);
- if (pa_stream_peek(s, &p, &nbytes) < 0) {
+ bytes_readable = pa_stream_readable_size(s);
+ if (bytes_readable/sizeof(float) < 256) {
+ // If buffer is too small for FFT analysis, wait next time
+ printf("s"); fflush(stdout);
+ return;
+ }
+
+ bytes_read=bytes_readable;
+ if (pa_stream_peek(s, &pa_data, &bytes_read) < 0) {
printf("pa_stream_peek() failed\n");//: %s", pa_strerror(pa_context_errno(context)));
return;
}
+ assert(pa_data);
+ assert(bytes_read>0);
+
+ if (bytes_read == bytes_readable) {
+ // If all is catched at once, no malloc, no memcpy
+ process_data=(void *)pa_data; // FIXME : loss of const modifier is problematic
+ process_size=bytes_read;
+
+ //printf("o"); fflush(stdout);
+ } else {
+ // Need to concatenate buffers
+ printf("M"); fflush(stdout);
+ do {
+ printf("."); fflush(stdout);
+ if (!buf) {
+ buf_index=0;
+ buf = pa_xmalloc(bytes_read);
+ } else {
+ buf = pa_xrealloc(buf, buf_index + bytes_read);
+ }
+
+ memcpy(buf+buf_index, pa_data, bytes_read);
+ buf_index += bytes_read;
+
+ pa_stream_drop(s);
+ if (pa_stream_peek(s, &pa_data, &bytes_read) < 0) {
+ bytes_read=0;
+ printf("!"); fflush(stdout);
+ }
+ } while (bytes_read>0);
+
+ process_data=buf;
+ process_size=buf_index;
+ }
-//printf("debug : before call capture_sound_level_cb==%p\n", capture_sound_level_cb);
- my_process((float *)p,nbytes/sizeof(float), pa_stream_get_sample_spec(s)->channels);
-//printf("debug : after call capture_sound_level_cb==%p\n", capture_sound_level_cb);
+ my_process((float *)process_data, process_size/sizeof(float), pa_stream_get_sample_spec(s)->channels);
+ if (buf) pa_xfree(buf);
pa_stream_drop(s);
}
diff --git a/src/compute.c b/src/compute.c
index e574838..8ea0afb 100644
--- a/src/compute.c
+++ b/src/compute.c
@@ -1,6 +1,6 @@
/*
Instru2Light - Illumine un instrument de musique en temps réel
- Copyright (C) 2012 Ludovic Pouzenc <lpouzenc@gmail.com>
+ Copyright (C) 2012-2013 Ludovic Pouzenc <lpouzenc@gmail.com>
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
@@ -34,11 +34,11 @@ float compute_level(const float *data, size_t nsamples, int rate) {
int f, min_f_index, max_f_index;
if (nsamples >= MAX_SAMPLES) {
- printf("WARN : nsamples >= MAX_SAMPLES : %i >= %i\n", nsamples, MAX_SAMPLES);
+ printf("WARN : nsamples >= MAX_SAMPLES : %zu >= %i\n", nsamples, MAX_SAMPLES);
nsamples=MAX_SAMPLES;
}
if (nsamples < MIN_SAMPLES) {
- printf("WARN : nsamples < MIN_SAMPLES : %i >= %i\n", nsamples, MIN_SAMPLES);
+ printf("WARN : nsamples < MIN_SAMPLES : %zu >= %i\n", nsamples, MIN_SAMPLES);
return -120.f;
}
/* Replicate with symmetry the sound to obtain an input buffer of the minimal len
diff --git a/src/gui.glade b/src/gui.glade
index 7db627c..416fc89 100644
--- a/src/gui.glade
+++ b/src/gui.glade
@@ -30,7 +30,7 @@
<property name="has_separator">True</property>
<property name="program_name">Instru2Light</property>
<property name="version">1.0</property>
- <property name="copyright" translatable="yes">Copyright (C) 2012 Ludovic Pouzenc <lpouzenc@gmail.com></property>
+ <property name="copyright" translatable="yes">Copyright (C) 2012-2013 Ludovic Pouzenc <lpouzenc@gmail.com></property>
<property name="comments" translatable="yes">Illumine un instrument de musique en temps réel</property>
<property name="website">http://sf.net/projects/instru2light</property>
<property name="license">GNU GENERAL PUBLIC LICENSE
diff --git a/src/hsv2rgb.c b/src/hsv2rgb.c
index 9f445e9..c24aabd 100644
--- a/src/hsv2rgb.c
+++ b/src/hsv2rgb.c
@@ -1,7 +1,7 @@
/* hsv2rgb.c
* Convert Hue Saturation Value to Red Green Blue
*
- * P.J. 08-Aug-98
+ * P.J. 08-Aug-98 ( P. A. Jacobs <peterj@mech.uq.edu.au> )
*
* Reference:
* D. F. Rogers
diff --git a/src/illuminate.c b/src/illuminate.c
index d5d40b2..1205063 100644
--- a/src/illuminate.c
+++ b/src/illuminate.c
@@ -1,6 +1,6 @@
/*
Instru2Light - Illumine un instrument de musique en temps réel
- Copyright (C) 2012 Ludovic Pouzenc <lpouzenc@gmail.com>
+ Copyright (C) 2012-2013 Ludovic Pouzenc <lpouzenc@gmail.com>
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
diff --git a/src/instru2light.c b/src/instru2light.c
index a72fd0f..1914b10 100644
--- a/src/instru2light.c
+++ b/src/instru2light.c
@@ -1,6 +1,6 @@
/*
Instru2Light - Illumine un instrument de musique en temps réel
- Copyright (C) 2012 Ludovic Pouzenc <lpouzenc@gmail.com>
+ Copyright (C) 2012-2013 Ludovic Pouzenc <lpouzenc@gmail.com>
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
@@ -75,7 +75,7 @@ void my_process(float *data, size_t nsamples, size_t nchan) {
struct rgb_colour rgb;
//FIXME : rate should came from PulseAudio
- sound_level=compute_level(data, nsamples, 44100);
+ sound_level=compute_level(data, nsamples, 44100); //FIXME : no fixed rate here !
// printf("sound_level==%+8f nsamples==%8i\n", sound_level, nsamples);
diff --git a/src/win_main.c b/src/win_main.c
index 01d5561..7906325 100644
--- a/src/win_main.c
+++ b/src/win_main.c
@@ -1,6 +1,6 @@
/*
Instru2Light - Illumine un instrument de musique en temps réel
- Copyright (C) 2012 Ludovic Pouzenc <lpouzenc@gmail.com>
+ Copyright (C) 2012-2013 Ludovic Pouzenc <lpouzenc@gmail.com>
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
--
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