[alsa-devel] [PATCH 1/2] alsa: pcm: add unsupported OPS
Adam Miartus
amiartus at de.adit-jv.com
Mon Jul 8 13:04:48 CEST 2019
From: Andreas Pape <apape at de.adit-jv.com>
Signed-off-by: Andreas Pape <apape at de.adit-jv.com>
Signed-off-by: Adam Miartus <amiartus at de.adit-jv.com>
---
src/pcm/Makefile.am | 4 +-
src/pcm/pcm_unsupported.c | 265 ++++++++++++++++++++++++++++++++++++++++++++++
src/pcm/pcm_unsupported.h | 166 +++++++++++++++++++++++++++++
3 files changed, 433 insertions(+), 2 deletions(-)
create mode 100644 src/pcm/pcm_unsupported.c
create mode 100644 src/pcm/pcm_unsupported.h
diff --git a/src/pcm/Makefile.am b/src/pcm/Makefile.am
index 8edbd0b..ba07869 100644
--- a/src/pcm/Makefile.am
+++ b/src/pcm/Makefile.am
@@ -8,7 +8,7 @@ libpcm_la_SOURCES = mask.c interval.c \
pcm_hw.c pcm_misc.c pcm_mmap.c pcm_symbols.c
if BUILD_PCM_PLUGIN
-libpcm_la_SOURCES += pcm_generic.c pcm_plugin.c
+libpcm_la_SOURCES += pcm_generic.c pcm_plugin.c pcm_unsupported.c
endif
if BUILD_PCM_PLUGIN_COPY
libpcm_la_SOURCES += pcm_copy.c
@@ -108,7 +108,7 @@ EXTRA_DIST = pcm_dmix_i386.c pcm_dmix_x86_64.c pcm_dmix_generic.c
noinst_HEADERS = pcm_local.h pcm_plugin.h mask.h mask_inline.h \
interval.h interval_inline.h plugin_ops.h ladspa.h \
pcm_direct.h pcm_dmix_i386.h pcm_dmix_x86_64.h \
- pcm_generic.h pcm_ext_parm.h
+ pcm_generic.h pcm_ext_parm.h pcm_unsupported.h
alsadir = $(datadir)/alsa
diff --git a/src/pcm/pcm_unsupported.c b/src/pcm/pcm_unsupported.c
new file mode 100644
index 0000000..b7abf04
--- /dev/null
+++ b/src/pcm/pcm_unsupported.c
@@ -0,0 +1,265 @@
+/**
+ * \file pcm/pcm_unsupported.c
+ * \ingroup PCM
+ * \brief PCM Unsupported Interface
+ * \author Andreas Pape <apape at de.adit-jv.com>
+ * \date 2019
+ */
+/*
+ * PCM - Common plugin code for unsupported operations
+ * Copyright (c) 2019 by Andreas Pape <apape at de.adit-jv.com>
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include "pcm_local.h"
+#include "pcm_unsupported.h"
+
+#ifndef DOC_HIDDEN
+
+#define PCM_UNSUPPORTED_ERR (-ENOSYS)
+void snd_pcm_unsupported_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_output_printf(out, "unsupported\n");
+}
+
+int snd_pcm_unsupported_close(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_nonblock(snd_pcm_t *pcm, int nonblock)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_async(snd_pcm_t *pcm, int sig, pid_t pid)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_poll_descriptors_count(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_info(snd_pcm_t *pcm, snd_pcm_info_t * info)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_hw_free(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_prepare(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_state_t snd_pcm_unsupported_state(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_hwsync(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_reset(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_start(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_drop(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_drain(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_pause(snd_pcm_t *pcm, int enable)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_resume(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_forwardable(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_rewindable(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_unlink(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_sframes_t snd_pcm_unsupported_avail_update(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_real_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_mmap(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_munmap(snd_pcm_t *pcm)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+snd_pcm_chmap_query_t **snd_pcm_unsupported_query_chmaps(snd_pcm_t *pcm)
+{
+ return NULL;
+}
+
+snd_pcm_chmap_t *snd_pcm_unsupported_get_chmap(snd_pcm_t *pcm)
+{
+ return NULL;
+}
+
+int snd_pcm_unsupported_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+int snd_pcm_unsupported_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail ATTRIBUTE_UNUSED)
+{
+ return PCM_UNSUPPORTED_ERR;
+}
+
+
+#endif /* DOC_HIDDEN */
diff --git a/src/pcm/pcm_unsupported.h b/src/pcm/pcm_unsupported.h
new file mode 100644
index 0000000..13e4d1b
--- /dev/null
+++ b/src/pcm/pcm_unsupported.h
@@ -0,0 +1,166 @@
+/*
+ * PCM - Common plugin code for unsupported operations
+ * Copyright (c) 2017 by Andreas Pape <apape at de.adit-jv.com>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+
+/* make local functions really local */
+#define snd_pcm_unsupported_dump \
+ snd1_pcm_unsupported_dump
+#define snd_pcm_unsupported_close \
+ snd1_pcm_unsupported_close
+#define snd_pcm_unsupported_nonblock \
+ snd1_pcm_unsupported_nonblock
+#define snd_pcm_unsupported_async \
+ snd1_pcm_unsupported_async
+#define snd_pcm_unsupported_poll_descriptors_count \
+ snd1_pcm_unsupported_poll_descriptors_count
+#define snd_pcm_unsupported_poll_descriptors \
+ snd1_pcm_unsupported_poll_descriptors
+#define snd_pcm_unsupported_poll_revents \
+ snd1_pcm_unsupported_poll_revents
+#define snd_pcm_unsupported_info \
+ snd1_pcm_unsupported_info
+#define snd_pcm_unsupported_hw_free \
+ snd1_pcm_unsupported_hw_free
+#define snd_pcm_unsupported_sw_params \
+ snd1_pcm_unsupported_sw_params
+#define snd_pcm_unsupported_hw_refine \
+ snd1_pcm_unsupported_hw_refine
+#define snd_pcm_unsupported_hw_params \
+ snd1_pcm_unsupported_hw_params
+#define snd_pcm_unsupported_channel_info \
+ snd1_pcm_unsupported_channel_info
+#define snd_pcm_unsupported_channel_info_no_buffer \
+ snd1_pcm_unsupported_channel_info_no_buffer
+#define snd_pcm_unsupported_status \
+ snd1_pcm_unsupported_status
+#define snd_pcm_unsupported_state \
+ snd1_pcm_unsupported_state
+#define snd_pcm_unsupported_prepare \
+ snd1_pcm_unsupported_prepare
+#define snd_pcm_unsupported_hwsync \
+ snd1_pcm_unsupported_hwsync
+#define snd_pcm_unsupported_reset \
+ snd1_pcm_unsupported_reset
+#define snd_pcm_unsupported_start \
+ snd1_pcm_unsupported_start
+#define snd_pcm_unsupported_drop \
+ snd1_pcm_unsupported_drop
+#define snd_pcm_unsupported_drain \
+ snd1_pcm_unsupported_drain
+#define snd_pcm_unsupported_pause \
+ snd1_pcm_unsupported_pause
+#define snd_pcm_unsupported_resume \
+ snd1_pcm_unsupported_resume
+#define snd_pcm_unsupported_delay \
+ snd1_pcm_unsupported_delay
+#define snd_pcm_unsupported_forwardable \
+ snd1_pcm_unsupported_forwardable
+#define snd_pcm_unsupported_forward \
+ snd1_pcm_unsupported_forward
+#define snd_pcm_unsupported_rewindable \
+ snd1_pcm_unsupported_rewindable
+#define snd_pcm_unsupported_rewind \
+ snd1_pcm_unsupported_rewind
+#define snd_pcm_unsupported_link \
+ snd1_pcm_unsupported_link
+#define snd_pcm_unsupported_link_slaves \
+ snd1_pcm_unsupported_link_slaves
+#define snd_pcm_unsupported_unlink \
+ snd1_pcm_unsupported_unlink
+#define snd_pcm_unsupported_writei \
+ snd1_pcm_unsupported_writei
+#define snd_pcm_unsupported_writen \
+ snd1_pcm_unsupported_writen
+#define snd_pcm_unsupported_readi \
+ snd1_pcm_unsupported_readi
+#define snd_pcm_unsupported_readn \
+ snd1_pcm_unsupported_readn
+#define snd_pcm_unsupported_mmap_commit \
+ snd1_pcm_unsupported_mmap_commit
+#define snd_pcm_unsupported_avail_update \
+ snd1_pcm_unsupported_avail_update
+#define snd_pcm_unsupported_htimestamp \
+ snd1_pcm_unsupported_htimestamp
+#define snd_pcm_unsupported_real_htimestamp \
+ snd1_pcm_unsupported_real_htimestamp
+#define snd_pcm_unsupported_mmap \
+ snd1_pcm_unsupported_mmap
+#define snd_pcm_unsupported_munmap \
+ snd1_pcm_unsupported_munmap
+#define snd_pcm_unsupported_query_chmaps \
+ snd1_pcm_unsupported_query_chmaps
+#define snd_pcm_unsupported_get_chmap \
+ snd1_pcm_unsupported_get_chmap
+#define snd_pcm_unsupported_set_chmap \
+ snd1_pcm_unsupported_set_chmap
+#define snd_pcm_unsupported_may_wait_for_avail_min \
+ snd1_pcm_unsupported_may_wait_for_avail_min
+
+int snd_pcm_unsupported_close(snd_pcm_t *pcm);
+int snd_pcm_unsupported_nonblock(snd_pcm_t *pcm, int nonblock);
+int snd_pcm_unsupported_async(snd_pcm_t *pcm, int sig, pid_t pid);
+int snd_pcm_unsupported_poll_descriptors_count(snd_pcm_t *pcm);
+int snd_pcm_unsupported_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
+int snd_pcm_unsupported_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_pcm_unsupported_info(snd_pcm_t *pcm, snd_pcm_info_t * info);
+int snd_pcm_unsupported_hw_free(snd_pcm_t *pcm);
+int snd_pcm_unsupported_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
+int snd_pcm_unsupported_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_unsupported_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_unsupported_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
+int snd_pcm_unsupported_channel_info_no_buffer(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
+int snd_pcm_unsupported_status(snd_pcm_t *pcm, snd_pcm_status_t * status);
+snd_pcm_state_t snd_pcm_unsupported_state(snd_pcm_t *pcm);
+int snd_pcm_unsupported_prepare(snd_pcm_t *pcm);
+int snd_pcm_unsupported_hwsync(snd_pcm_t *pcm);
+int snd_pcm_unsupported_reset(snd_pcm_t *pcm);
+int snd_pcm_unsupported_start(snd_pcm_t *pcm);
+int snd_pcm_unsupported_drop(snd_pcm_t *pcm);
+int snd_pcm_unsupported_drain(snd_pcm_t *pcm);
+int snd_pcm_unsupported_pause(snd_pcm_t *pcm, int enable);
+int snd_pcm_unsupported_resume(snd_pcm_t *pcm);
+int snd_pcm_unsupported_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
+snd_pcm_sframes_t snd_pcm_unsupported_forwardable(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_unsupported_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_unsupported_rewindable(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_unsupported_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+int snd_pcm_unsupported_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
+int snd_pcm_unsupported_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master);
+int snd_pcm_unsupported_unlink(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_unsupported_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_unsupported_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_unsupported_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_unsupported_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_unsupported_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_unsupported_avail_update(snd_pcm_t *pcm);
+int snd_pcm_unsupported_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *timestamp);
+int snd_pcm_unsupported_real_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp);
+int snd_pcm_unsupported_mmap(snd_pcm_t *pcm);
+int snd_pcm_unsupported_munmap(snd_pcm_t *pcm);
+snd_pcm_chmap_query_t **snd_pcm_unsupported_query_chmaps(snd_pcm_t *pcm);
+snd_pcm_chmap_t *snd_pcm_unsupported_get_chmap(snd_pcm_t *pcm);
+int snd_pcm_unsupported_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
+int snd_pcm_unsupported_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail);
+
--
2.7.4
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