libs: audio: libsamplerate: drop local patches

The needed patches were accepted upstream and now there is no need to
carry local patches.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
This commit is contained in:
Alin Jerpelea 2020-11-24 17:07:57 +01:00 committed by Xiang Xiao
parent 148afd9548
commit 9f6a43d0b0
3 changed files with 44 additions and 97 deletions

View File

@ -1,82 +0,0 @@
From 8d709a69b23efc52030824ae21db889589467d8c Mon Sep 17 00:00:00 2001
From: Alin Jerpelea <alin.jerpelea@sony.com>
Date: Mon, 16 Nov 2020 09:44:17 +0100
Subject: [PATCH] add audio quality options
Many NuttX boards have limited rerources and will have to use
compile time quality options to reduce resource usage
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
---
src/src_sinc.c | 30 +++++++++++++++++++++++++-----
1 files changed, 25 insertions(+), 5 deletions(-)
diff --git a/src/src_sinc.c b/src/src_sinc.c
index 0a22708..b81326e 100644
--- a/src/src_sinc.c
+++ b/src/src_sinc.c
@@ -40,9 +40,17 @@ typedef int32_t increment_t ;
typedef float coeff_t ;
typedef int _CHECK_SHIFT_BITS[2 * (SHIFT_BITS < sizeof (increment_t) * 8 - 1) - 1]; /* sanity check. */
-#include "fastest_coeffs.h"
-#include "mid_qual_coeffs.h"
-#include "high_qual_coeffs.h"
+#if CONFIG_AUDIO_SRC_QUALITY == 2
+ #include "fastest_coeffs.h"
+#elif CONFIG_AUDIO_SRC_QUALITY == 1
+ #include "mid_qual_coeffs.h"
+#elif if CONFIG_AUDIO_SRC_QUALITY == 0
+ #include "high_qual_coeffs.h"
+#else
+ #include "fastest_coeffs.h"
+ #include "mid_qual_coeffs.h"
+ #include "high_qual_coeffs.h"
+#endif
typedef struct
{ int sinc_magic_marker ;
@@ -206,6 +214,19 @@ sinc_filter_new (int converter_type, int channels)
if (priv)
{
priv->sinc_magic_marker = SINC_MAGIC_MARKER ;
+#if CONFIG_AUDIO_SRC_QUALITY == 2
+ priv->coeffs = fastest_coeffs.coeffs ;
+ priv->coeff_half_len = ARRAY_LEN (fastest_coeffs.coeffs) - 2 ;
+ priv->index_inc = fastest_coeffs.increment ;
+#elif CONFIG_AUDIO_SRC_QUALITY == 1
+ priv->coeffs = slow_mid_qual_coeffs.coeffs ;
+ priv->coeff_half_len = ARRAY_LEN (slow_mid_qual_coeffs.coeffs) - 2 ;
+ priv->index_inc = slow_mid_qual_coeffs.increment ;
+#elif CONFIG_AUDIO_SRC_QUALITY == 0
+ priv->coeffs = slow_high_qual_coeffs.coeffs ;
+ priv->coeff_half_len = ARRAY_LEN (slow_high_qual_coeffs.coeffs) - 2 ;
+ priv->index_inc = slow_high_qual_coeffs.increment ;
+#else
switch (converter_type)
{
case SRC_SINC_FASTEST :
@@ -213,19 +234,18 @@ sinc_filter_new (int converter_type, int channels)
priv->coeff_half_len = ARRAY_LEN (fastest_coeffs.coeffs) - 2 ;
priv->index_inc = fastest_coeffs.increment ;
break ;
-
case SRC_SINC_MEDIUM_QUALITY :
priv->coeffs = slow_mid_qual_coeffs.coeffs ;
priv->coeff_half_len = ARRAY_LEN (slow_mid_qual_coeffs.coeffs) - 2 ;
priv->index_inc = slow_mid_qual_coeffs.increment ;
break ;
-
case SRC_SINC_BEST_QUALITY :
priv->coeffs = slow_high_qual_coeffs.coeffs ;
priv->coeff_half_len = ARRAY_LEN (slow_high_qual_coeffs.coeffs) - 2 ;
priv->index_inc = slow_high_qual_coeffs.increment ;
break ;
}
+#endif
priv->b_len = 3 * (int) lrint ((priv->coeff_half_len + 2.0) / priv->index_inc * SRC_MAX_RATIO + 1) ;
priv->b_len = MAX (priv->b_len, 4096) ;
--
2.17.1

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@ -11,13 +11,33 @@ config AUDIO_SRC
if AUDIO_SRC
config AUDIO_SRC_QUALITY
int "Audio Conversion Quality [0/1/2]"
default 2
choice
prompt "Audio Conversion Quality"
default SINC_FAST_CONVERTER
---help---
Audio Conversion Quality [0/1/2]
0 Slowest conversion speed with best quality.
1 Medium conversion speed with medium qulity
2 Fastest conversion with lowest Quality
Audio Conversion Quality options:
Slowest conversion speed with best quality.
Medium conversion speed with medium qulity
Fastest conversion with lowest quality
config SINC_FAST_CONVERTER
bool "Fastest conversion with lowest quality"
---help---
Fastest conversion with lowest quality.
Suitable for most boards due to resource constrains.
config SINC_MEDIUM_CONVERTER
bool "Medium conversion speed with medium qulity"
---help---
Medium conversion speed with medium qulity.
Not suitable for most boards due to resource constrains.
config SINC_BEST_CONVERTER
bool "Slowest conversion speed with best quality"
---help---
Slowest conversion speed with best quality.
Not suitable for most boards due to resource constrains.
endchoice
endif # LIBSRC

View File

@ -27,7 +27,6 @@ libsamplerate:
$(Q) wget https://codeload.github.com/libsndfile/libsamplerate/zip/master -O libsamplerate.zip
$(Q) unzip -o libsamplerate.zip
$(Q) mv libsamplerate-master libsamplerate
$(Q) patch -Np1 -d libsamplerate <audio/libsrc/0001-add-audio-quality-options.patch
$(Q) cp -rf libsamplerate/src/samplerate.h $(TOPDIR)$(DELIM)include$(DELIM)nuttx$(DELIM)audio$(DELIM)
context:: libsamplerate
@ -39,6 +38,18 @@ CSRCS += src_zoh.c
CFLAGS += -DPACKAGE=\"$(PACKAGE)\" -DVERSION=\"$(VERSION)\"
ifeq ($(CONFIG_SINC_FAST_CONVERTER),y)
CFLAGS += -DENABLE_SINC_FAST_CONVERTER
endif
ifeq ($(CONFIG_SINC_MEDIUM_CONVERTER),y)
CFLAGS += -DENABLE_SINC_MEDIUM_CONVERTER
endif
ifeq ($(CONFIG_SINC_BEST_CONVERTER),y)
CFLAGS += -DENABLE_SINC_BEST_CONVERTER
endif
VPATH += libsamplerate/src
SUBDIRS += libsamplerate/src
DEPPATH += --dep-path libsamplerate/src
@ -49,5 +60,3 @@ distclean::
$(call DELFILE, libsamplerate.zip)
endif