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>
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Alin Jerpelea
Xiang Xiao
parent
148afd9548
commit
9f6a43d0b0
@ -1,82 +0,0 @@
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From 8d709a69b23efc52030824ae21db889589467d8c Mon Sep 17 00:00:00 2001
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From: Alin Jerpelea <alin.jerpelea@sony.com>
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Date: Mon, 16 Nov 2020 09:44:17 +0100
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Subject: [PATCH] add audio quality options
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Many NuttX boards have limited rerources and will have to use
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compile time quality options to reduce resource usage
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Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
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---
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src/src_sinc.c | 30 +++++++++++++++++++++++++-----
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1 files changed, 25 insertions(+), 5 deletions(-)
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diff --git a/src/src_sinc.c b/src/src_sinc.c
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index 0a22708..b81326e 100644
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--- a/src/src_sinc.c
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+++ b/src/src_sinc.c
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@@ -40,9 +40,17 @@ typedef int32_t increment_t ;
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typedef float coeff_t ;
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typedef int _CHECK_SHIFT_BITS[2 * (SHIFT_BITS < sizeof (increment_t) * 8 - 1) - 1]; /* sanity check. */
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-#include "fastest_coeffs.h"
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-#include "mid_qual_coeffs.h"
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-#include "high_qual_coeffs.h"
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+#if CONFIG_AUDIO_SRC_QUALITY == 2
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+ #include "fastest_coeffs.h"
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+#elif CONFIG_AUDIO_SRC_QUALITY == 1
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+ #include "mid_qual_coeffs.h"
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+#elif if CONFIG_AUDIO_SRC_QUALITY == 0
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+ #include "high_qual_coeffs.h"
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+#else
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+ #include "fastest_coeffs.h"
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+ #include "mid_qual_coeffs.h"
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+ #include "high_qual_coeffs.h"
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+#endif
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typedef struct
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{ int sinc_magic_marker ;
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@@ -206,6 +214,19 @@ sinc_filter_new (int converter_type, int channels)
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if (priv)
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{
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priv->sinc_magic_marker = SINC_MAGIC_MARKER ;
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+#if CONFIG_AUDIO_SRC_QUALITY == 2
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+ priv->coeffs = fastest_coeffs.coeffs ;
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+ priv->coeff_half_len = ARRAY_LEN (fastest_coeffs.coeffs) - 2 ;
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+ priv->index_inc = fastest_coeffs.increment ;
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+#elif CONFIG_AUDIO_SRC_QUALITY == 1
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+ priv->coeffs = slow_mid_qual_coeffs.coeffs ;
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+ priv->coeff_half_len = ARRAY_LEN (slow_mid_qual_coeffs.coeffs) - 2 ;
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+ priv->index_inc = slow_mid_qual_coeffs.increment ;
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+#elif CONFIG_AUDIO_SRC_QUALITY == 0
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+ priv->coeffs = slow_high_qual_coeffs.coeffs ;
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+ priv->coeff_half_len = ARRAY_LEN (slow_high_qual_coeffs.coeffs) - 2 ;
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+ priv->index_inc = slow_high_qual_coeffs.increment ;
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+#else
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switch (converter_type)
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{
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case SRC_SINC_FASTEST :
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@@ -213,19 +234,18 @@ sinc_filter_new (int converter_type, int channels)
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priv->coeff_half_len = ARRAY_LEN (fastest_coeffs.coeffs) - 2 ;
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priv->index_inc = fastest_coeffs.increment ;
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break ;
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-
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case SRC_SINC_MEDIUM_QUALITY :
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priv->coeffs = slow_mid_qual_coeffs.coeffs ;
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priv->coeff_half_len = ARRAY_LEN (slow_mid_qual_coeffs.coeffs) - 2 ;
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priv->index_inc = slow_mid_qual_coeffs.increment ;
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break ;
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-
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case SRC_SINC_BEST_QUALITY :
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priv->coeffs = slow_high_qual_coeffs.coeffs ;
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priv->coeff_half_len = ARRAY_LEN (slow_high_qual_coeffs.coeffs) - 2 ;
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priv->index_inc = slow_high_qual_coeffs.increment ;
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break ;
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}
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+#endif
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priv->b_len = 3 * (int) lrint ((priv->coeff_half_len + 2.0) / priv->index_inc * SRC_MAX_RATIO + 1) ;
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priv->b_len = MAX (priv->b_len, 4096) ;
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--
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2.17.1
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@ -4,20 +4,40 @@
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#
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config AUDIO_SRC
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bool "Audio Samplerate Convertor Library"
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default n
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---help---
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Enable build for various SRC functions
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bool "Audio Samplerate Convertor Library"
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default n
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---help---
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Enable build for various SRC functions
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if AUDIO_SRC
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config AUDIO_SRC_QUALITY
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int "Audio Conversion Quality [0/1/2]"
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default 2
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---help---
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Audio Conversion Quality [0/1/2]
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0 Slowest conversion speed with best quality.
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1 Medium conversion speed with medium qulity
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2 Fastest conversion with lowest Quality
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choice
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prompt "Audio Conversion Quality"
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default SINC_FAST_CONVERTER
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---help---
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Audio Conversion Quality options:
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Slowest conversion speed with best quality.
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Medium conversion speed with medium qulity
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Fastest conversion with lowest quality
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config SINC_FAST_CONVERTER
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bool "Fastest conversion with lowest quality"
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---help---
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Fastest conversion with lowest quality.
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Suitable for most boards due to resource constrains.
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config SINC_MEDIUM_CONVERTER
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bool "Medium conversion speed with medium qulity"
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---help---
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Medium conversion speed with medium qulity.
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Not suitable for most boards due to resource constrains.
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config SINC_BEST_CONVERTER
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bool "Slowest conversion speed with best quality"
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---help---
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Slowest conversion speed with best quality.
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Not suitable for most boards due to resource constrains.
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endchoice
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endif # LIBSRC
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@ -27,7 +27,6 @@ libsamplerate:
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$(Q) wget https://codeload.github.com/libsndfile/libsamplerate/zip/master -O libsamplerate.zip
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$(Q) unzip -o libsamplerate.zip
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$(Q) mv libsamplerate-master libsamplerate
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$(Q) patch -Np1 -d libsamplerate <audio/libsrc/0001-add-audio-quality-options.patch
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$(Q) cp -rf libsamplerate/src/samplerate.h $(TOPDIR)$(DELIM)include$(DELIM)nuttx$(DELIM)audio$(DELIM)
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context:: libsamplerate
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@ -39,6 +38,18 @@ CSRCS += src_zoh.c
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CFLAGS += -DPACKAGE=\"$(PACKAGE)\" -DVERSION=\"$(VERSION)\"
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ifeq ($(CONFIG_SINC_FAST_CONVERTER),y)
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CFLAGS += -DENABLE_SINC_FAST_CONVERTER
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endif
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ifeq ($(CONFIG_SINC_MEDIUM_CONVERTER),y)
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CFLAGS += -DENABLE_SINC_MEDIUM_CONVERTER
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endif
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ifeq ($(CONFIG_SINC_BEST_CONVERTER),y)
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CFLAGS += -DENABLE_SINC_BEST_CONVERTER
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endif
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VPATH += libsamplerate/src
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SUBDIRS += libsamplerate/src
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DEPPATH += --dep-path libsamplerate/src
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@ -49,5 +60,3 @@ distclean::
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$(call DELFILE, libsamplerate.zip)
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endif
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