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small cleanups

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Remove ringbuffer code and use inline in the .h file
Add some more port status flags
Improve inspect output
This commit is contained in:
Wim Taymans 2016-10-12 15:41:39 +02:00
parent 50c3b40cd0
commit 6b3bb79e70
8 changed files with 201 additions and 211 deletions
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1
pinos/client/ringbuffer.c
View file

@ -31,7 +31,6 @@
#include <pinos/client/ringbuffer.h>
#include <spa/include/spa/ringbuffer.h>
#include <spa/lib/ringbuffer.c>
#define PINOS_RINGBUFFER_GET_PRIVATE(rb) \
(G_TYPE_INSTANCE_GET_PRIVATE ((rb), PINOS_TYPE_RINGBUFFER, PinosRingbufferPrivate))

8
spa/include/spa/port.h
View file

@ -132,13 +132,17 @@ SpaPortInfo * spa_port_info_copy_into (void *dest, const SpaPortInfo *info);
/**
* SpaPortStatusFlags:
* @SPA_PORT_STATUS_FLAG_NONE: no status flags
* @SPA_PORT_STATUS_FLAG_HAVE_FORMAT: port has a format
* @SPA_PORT_STATUS_FLAG_HAVE_BUFFERS: port has buffers
* @SPA_PORT_STATUS_FLAG_HAVE_OUTPUT: port has output
* @SPA_PORT_STATUS_FLAG_NEED_INPUT: port needs input
*/
typedef enum {
SPA_PORT_STATUS_FLAG_NONE = 0,
SPA_PORT_STATUS_FLAG_HAVE_OUTPUT = 1 << 0,
SPA_PORT_STATUS_FLAG_NEED_INPUT = 1 << 1,
SPA_PORT_STATUS_FLAG_HAVE_FORMAT = 1 << 0,
SPA_PORT_STATUS_FLAG_HAVE_BUFFERS = 1 << 1,
SPA_PORT_STATUS_FLAG_HAVE_OUTPUT = 1 << 2,
SPA_PORT_STATUS_FLAG_NEED_INPUT = 1 << 3,
} SpaPortStatusFlags;
/**

192
spa/include/spa/ringbuffer.h
View file

@ -50,20 +50,190 @@ struct _SpaRingbuffer {
size_t size_mask;
};
SpaResult spa_ringbuffer_init (SpaRingbuffer *rbuf,
size_t size);
/**
* spa_ringbuffer_init:
* @rbuf: a #SpaRingbuffer
* @data: pointer to an array
* @size: the number of elements in @data
*
* Initialize a #SpaRingbuffer with @data and @size.
* When size is a power of 2, size_mask will be set with the mask to
* efficiently wrap around the indexes.
*/
static inline void
spa_ringbuffer_init (SpaRingbuffer *rbuf,
size_t size)
{
rbuf->size = size;
rbuf->readindex = 0;
rbuf->writeindex = 0;
if ((size & (size - 1)) == 0)
rbuf->size_mask = size - 1;
else
rbuf->size_mask = 0;
}
SpaResult spa_ringbuffer_clear (SpaRingbuffer *rbuf);
/**
* spa_ringbuffer_clear:
* @rbuf: a #SpaRingbuffer
*
* Clear @rbuf
*/
static inline void
spa_ringbuffer_clear (SpaRingbuffer *rbuf)
{
rbuf->readindex = 0;
rbuf->writeindex = 0;
}
SpaResult spa_ringbuffer_get_read_areas (SpaRingbuffer *rbuf,
SpaRingbufferArea areas[2]);
SpaResult spa_ringbuffer_read_advance (SpaRingbuffer *rbuf,
ssize_t len);
/**
* spa_ringbuffer_get_read_areas:
* @rbuf: a #SpaRingbuffer
* @areas: an array of #SpaRingbufferArea
*
* Fill @areas with pointers to read from. The total amount of
* bytes that can be read can be obtained by summing the areas len fields.
*/
static inline void
spa_ringbuffer_get_read_areas (SpaRingbuffer *rbuf,
SpaRingbufferArea areas[2])
{
size_t avail, end, w, r;
SpaResult spa_ringbuffer_get_write_areas (SpaRingbuffer *rbuf,
SpaRingbufferArea areas[2]);
SpaResult spa_ringbuffer_write_advance (SpaRingbuffer *rbuf,
ssize_t len);
w = rbuf->writeindex;
r = rbuf->readindex;
if (w > r) {
avail = w - r;
} else {
avail = (w - r + rbuf->size);
avail = (rbuf->size_mask ? avail & rbuf->size_mask : avail % rbuf->size);
}
end = r + avail;
areas[0].offset = r;
areas[1].offset = 0;
if (end > rbuf->size) {
areas[0].len = rbuf->size - r;
areas[1].len = end - rbuf->size;
} else {
areas[0].len = avail;
areas[1].len = 0;
}
}
static inline size_t
spa_ringbuffer_get_read_offset (SpaRingbuffer *rbuf,
size_t *offset)
{
size_t avail, w, r;
w = rbuf->writeindex;
r = rbuf->readindex;
if (w > r) {
avail = w - r;
} else {
avail = (w - r + rbuf->size);
avail = (rbuf->size_mask ? avail & rbuf->size_mask : avail % rbuf->size);
}
*offset = r;
return avail;
}
/**
* spa_ringbuffer_read_advance:
* @rbuf: a #SpaRingbuffer
* @len: number of bytes to advance
*
* Advance the read pointer by @len
*/
static inline void
spa_ringbuffer_read_advance (SpaRingbuffer *rbuf,
ssize_t len)
{
size_t tmp = rbuf->readindex + len;
rbuf->readindex = (rbuf->size_mask ? tmp & rbuf->size_mask : tmp % rbuf->size);
}
/**
* spa_ringbuffer_get_write_areas:
* @rbuf: a #SpaRingbuffer
* @areas: an array of #SpaRingbufferArea
*
* Fill @areas with pointers to write to. The total amount of
* bytes that can be written can be obtained by summing the areas len fields.
*/
static inline void
spa_ringbuffer_get_write_areas (SpaRingbuffer *rbuf,
SpaRingbufferArea areas[2])
{
size_t avail, end, w, r;
w = rbuf->writeindex;
r = rbuf->readindex;
if (w > r) {
avail = (r - w + rbuf->size);
avail = (rbuf->size_mask ? avail & rbuf->size_mask : avail % rbuf->size);
} else if (w < r) {
avail = r - w;
} else {
avail = rbuf->size;
}
avail -= 1;
end = w + avail;
areas[0].offset = w;
areas[1].offset = 0;
if (end > rbuf->size) {
areas[0].len = rbuf->size - w;
areas[1].len = end - rbuf->size;
} else {
areas[0].len = avail;
areas[1].len = 0;
}
}
static inline size_t
spa_ringbuffer_get_write_offset (SpaRingbuffer *rbuf,
size_t *offset)
{
size_t avail, w, r;
w = rbuf->writeindex;
r = rbuf->readindex;
if (w > r) {
avail = (r - w + rbuf->size);
avail = (rbuf->size_mask ? avail & rbuf->size_mask : avail % rbuf->size);
} else if (w < r) {
avail = r - w;
} else {
avail = rbuf->size;
}
avail -= 1;
*offset = w;
return avail;
}
/**
* spa_ringbuffer_write_advance:
* @rbuf: a #SpaRingbuffer
* @len: number of bytes to advance
*
* Advance the write pointer by @len
*
*/
static inline void
spa_ringbuffer_write_advance (SpaRingbuffer *rbuf,
ssize_t len)
{
size_t tmp = rbuf->writeindex + len;
rbuf->writeindex = (rbuf->size_mask ? tmp & rbuf->size_mask : tmp % rbuf->size);
}
#ifdef __cplusplus
} /* extern "C" */

1
spa/lib/meson.build
View file

@ -6,7 +6,6 @@ spalib_sources = ['audio-raw.c',
'mapper.c',
'port.c',
'props.c',
'ringbuffer.c',
'video-raw.c']
spalib = shared_library('spa-lib',

186
spa/lib/ringbuffer.c
View file

@ -1,186 +0,0 @@
/* Simple Plugin API
* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <spa/ringbuffer.h>
/**
* spa_ringbuffer_init:
* @rbuf: a #SpaRingbuffer
* @data: pointer to an array
* @size: the number of elements in @data
*
* Initialize a #SpaRingbuffer with @data and @size.
* When size is a power of 2, size_mask will be set with the mask to
* efficiently wrap around the indexes.
*
* Returns: #SPA_RESULT_OK on success
* #SPA_RESULT_INVALID_ARGUMENTS when data or rbuf is %NULL
*/
SpaResult
spa_ringbuffer_init (SpaRingbuffer *rbuf,
size_t size)
{
if (rbuf == NULL || size == 0)
return SPA_RESULT_INVALID_ARGUMENTS;
rbuf->size = size;
rbuf->readindex = 0;
rbuf->writeindex = 0;
if ((size & (size - 1)) == 0)
rbuf->size_mask = size - 1;
else
rbuf->size_mask = 0;
return SPA_RESULT_OK;
}
/**
* spa_ringbuffer_clear:
* @rbuf: a #SpaRingbuffer
*
* Clear @rbuf
*
* Returns: #SPA_RESULT_OK
*/
SpaResult
spa_ringbuffer_clear (SpaRingbuffer *rbuf)
{
rbuf->readindex = 0;
rbuf->writeindex = 0;
return SPA_RESULT_OK;
}
/**
* spa_ringbuffer_get_read_areas:
* @rbuf: a #SpaRingbuffer
* @areas: an array of #SpaRingbufferArea
*
* Fill @areas with pointers to read from. The total amount of
* bytes that can be read can be obtained by summing the areas len fields.
*
* Returns: #SPA_RESULT_OK
*/
SpaResult
spa_ringbuffer_get_read_areas (SpaRingbuffer *rbuf,
SpaRingbufferArea areas[2])
{
size_t avail, end, w, r;
w = rbuf->writeindex;
r = rbuf->readindex;
if (w > r) {
avail = w - r;
} else {
avail = (w - r + rbuf->size);
avail = (rbuf->size_mask ? avail & rbuf->size_mask : avail % rbuf->size);
}
end = r + avail;
areas[0].offset = r;
areas[1].offset = 0;
if (end > rbuf->size) {
areas[0].len = rbuf->size - r;
areas[1].len = end - rbuf->size;
} else {
areas[0].len = avail;
areas[1].len = 0;
}
return SPA_RESULT_OK;
}
/**
* spa_ringbuffer_read_advance:
* @rbuf: a #SpaRingbuffer
* @len: number of bytes to advance
*
* Advance the read pointer by @len
*
* Returns: #SPA_RESULT_OK
*/
SpaResult
spa_ringbuffer_read_advance (SpaRingbuffer *rbuf,
ssize_t len)
{
size_t tmp = rbuf->readindex + len;
rbuf->readindex = (rbuf->size_mask ? tmp & rbuf->size_mask : tmp % rbuf->size);
return SPA_RESULT_OK;
}
/**
* spa_ringbuffer_get_write_areas:
* @rbuf: a #SpaRingbuffer
* @areas: an array of #SpaRingbufferArea
*
* Fill @areas with pointers to write to. The total amount of
* bytes that can be written can be obtained by summing the areas len fields.
*
* Returns: #SPA_RESULT_OK
*/
SpaResult
spa_ringbuffer_get_write_areas (SpaRingbuffer *rbuf,
SpaRingbufferArea areas[2])
{
size_t avail, end, w, r;
w = rbuf->writeindex;
r = rbuf->readindex;
if (w > r) {
avail = (r - w + rbuf->size);
avail = (rbuf->size_mask ? avail & rbuf->size_mask : avail % rbuf->size);
} else if (w < r) {
avail = r - w;
} else {
avail = rbuf->size;
}
avail -= 1;
end = w + avail;
areas[0].offset = w;
areas[1].offset = 0;
if (end > rbuf->size) {
areas[0].len = rbuf->size - w;
areas[1].len = end - rbuf->size;
} else {
areas[0].len = avail;
areas[1].len = 0;
}
return SPA_RESULT_OK;
}
/**
* spa_ringbuffer_write_advance:
* @rbuf: a #SpaRingbuffer
* @len: number of bytes to advance
*
* Advance the write pointer by @len
*
* Returns: #SPA_RESULT_OK
*/
SpaResult
spa_ringbuffer_write_advance (SpaRingbuffer *rbuf,
ssize_t len)
{
size_t tmp = rbuf->writeindex + len;
rbuf->writeindex = (rbuf->size_mask ? tmp & rbuf->size_mask : tmp % rbuf->size);
return SPA_RESULT_OK;
}

12
spa/tools/spa-inspect.c
View file

@ -78,13 +78,16 @@ inspect_node (SpaNode *node)
else
spa_debug_props (props, true);
if ((res = spa_node_get_n_ports (node, &n_input, &max_input, &n_output, &max_output)) < 0)
if ((res = spa_node_get_n_ports (node, &n_input, &max_input, &n_output, &max_output)) < 0) {
printf ("can't get n_ports: %d\n", res);
else
printf ("supported ports %d %d %d %d\n", n_input, max_input, n_output, max_output);
return;
}
printf ("supported ports:\n");
printf ("input ports: %d/%d\n", n_input, max_input);
printf ("output ports: %d/%d\n", n_output, max_output);
in_ports = alloca (n_input * sizeof (uint32_t));
out_ports = alloca (n_input * sizeof (uint32_t));
out_ports = alloca (n_output * sizeof (uint32_t));
if ((res = spa_node_get_port_ids (node, n_input, in_ports, n_output, out_ports)) < 0)
printf ("can't get port ids: %d\n", res);
@ -93,6 +96,7 @@ inspect_node (SpaNode *node)
printf (" input port: %08x\n", in_ports[i]);
inspect_port (node, SPA_DIRECTION_INPUT, in_ports[i]);
}
for (i = 0; i < n_output; i++) {
printf (" output port: %08x\n", out_ports[i]);
inspect_port (node, SPA_DIRECTION_OUTPUT, out_ports[i]);