mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-02 09:01:50 -05:00
more hacking
Move plugin API to separate directory for now Add ringbuffer and way to get ringbuffer from a port
This commit is contained in:
Wim Taymans
parent
b8f6e99537
commit
3c029cba53
56 changed files with 7055 additions and 1530 deletions
526
spa/plugins/audiotestsrc/audiotestsrc.c
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526
spa/plugins/audiotestsrc/audiotestsrc.c
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@ -0,0 +1,526 @@
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/* Spa
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* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stddef.h>
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#include <string.h>
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#include <spa/node.h>
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#include <spa/audio/raw.h>
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typedef struct _SpaAudioTestSrc SpaAudioTestSrc;
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typedef struct {
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SpaProps props;
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uint32_t wave;
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double freq;
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double volume;
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} SpaAudioTestSrcProps;
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struct _SpaAudioTestSrc {
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SpaHandle handle;
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SpaAudioTestSrcProps props;
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SpaAudioTestSrcProps tmp_props;
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SpaEventCallback event_cb;
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void *user_data;
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SpaPortInfo info;
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SpaPortStatus status;
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bool have_format;
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SpaAudioRawFormat query_format;
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SpaAudioRawFormat current_format;
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};
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static const uint32_t default_wave = 1.0;
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static const double default_volume = 1.0;
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static const double min_volume = 0.0;
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static const double max_volume = 10.0;
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static const double default_freq = 440.0;
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static const double min_freq = 0.0;
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static const double max_freq = 50000000.0;
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static const SpaPropRangeInfo volume_range[] = {
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{ "min", "Minimum value", sizeof (double), &min_volume },
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{ "max", "Maximum value", sizeof (double), &max_volume },
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};
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static const uint32_t wave_val_sine = 0;
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static const uint32_t wave_val_square = 1;
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static const SpaPropRangeInfo wave_range[] = {
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{ "sine", "Sine", sizeof (uint32_t), &wave_val_sine },
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{ "square", "Square", sizeof (uint32_t), &wave_val_square },
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};
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static const SpaPropRangeInfo freq_range[] = {
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{ "min", "Minimum value", sizeof (double), &min_freq },
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{ "max", "Maximum value", sizeof (double), &max_freq },
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};
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enum {
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PROP_ID_WAVE,
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PROP_ID_FREQ,
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PROP_ID_VOLUME,
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PROP_ID_LAST,
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};
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static const SpaPropInfo prop_info[] =
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{
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{ PROP_ID_WAVE, "wave", "Oscillator waveform",
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SPA_PROP_FLAG_READWRITE,
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SPA_PROP_TYPE_UINT32, sizeof (uint32_t),
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sizeof (uint32_t), &default_wave,
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SPA_PROP_RANGE_TYPE_ENUM, SPA_N_ELEMENTS (wave_range), wave_range,
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NULL,
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offsetof (SpaAudioTestSrcProps, wave),
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0, 0,
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NULL },
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{ PROP_ID_FREQ, "freq", "Frequency of test signal. The sample rate needs to be at least 4 times higher",
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SPA_PROP_FLAG_READWRITE,
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SPA_PROP_TYPE_DOUBLE, sizeof (double),
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sizeof (double), &default_freq,
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SPA_PROP_RANGE_TYPE_MIN_MAX, 2, freq_range,
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NULL,
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offsetof (SpaAudioTestSrcProps, freq),
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0, 0,
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NULL },
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{ PROP_ID_VOLUME, "volume", "The Volume factor",
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SPA_PROP_FLAG_READWRITE,
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SPA_PROP_TYPE_DOUBLE, sizeof (double),
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sizeof (double), &default_volume,
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SPA_PROP_RANGE_TYPE_MIN_MAX, 2, volume_range,
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NULL,
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offsetof (SpaAudioTestSrcProps, volume),
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0, 0,
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NULL },
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};
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static void
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reset_audiotestsrc_props (SpaAudioTestSrcProps *props)
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{
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props->wave = default_wave;
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props->freq = default_freq;
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props->volume = default_volume;
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}
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static SpaResult
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spa_audiotestsrc_node_get_props (SpaHandle *handle,
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SpaProps **props)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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if (handle == NULL || props == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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memcpy (&this->tmp_props, &this->props, sizeof (this->tmp_props));
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*props = &this->tmp_props.props;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_set_props (SpaHandle *handle,
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const SpaProps *props)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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SpaAudioTestSrcProps *p = &this->props;
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SpaResult res;
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if (handle == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (props == NULL) {
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reset_audiotestsrc_props (p);
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return SPA_RESULT_OK;
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}
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res = spa_props_copy (props, &p->props);
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return res;
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}
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static SpaResult
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spa_audiotestsrc_node_send_command (SpaHandle *handle,
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SpaCommand *command)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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if (handle == NULL || command == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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switch (command->type) {
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case SPA_COMMAND_INVALID:
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return SPA_RESULT_INVALID_COMMAND;
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case SPA_COMMAND_ACTIVATE:
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if (this->event_cb) {
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SpaEvent event;
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event.refcount = 1;
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event.notify = NULL;
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event.type = SPA_EVENT_TYPE_ACTIVATED;
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event.port_id = -1;
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event.data = NULL;
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event.size = 0;
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this->event_cb (handle, &event, this->user_data);
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}
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break;
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case SPA_COMMAND_DEACTIVATE:
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if (this->event_cb) {
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SpaEvent event;
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event.refcount = 1;
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event.notify = NULL;
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event.type = SPA_EVENT_TYPE_DEACTIVATED;
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event.port_id = -1;
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event.data = NULL;
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event.size = 0;
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this->event_cb (handle, &event, this->user_data);
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}
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break;
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case SPA_COMMAND_START:
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case SPA_COMMAND_STOP:
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case SPA_COMMAND_FLUSH:
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case SPA_COMMAND_DRAIN:
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case SPA_COMMAND_MARKER:
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return SPA_RESULT_NOT_IMPLEMENTED;
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}
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_set_event_callback (SpaHandle *handle,
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SpaEventCallback event,
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void *user_data)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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if (handle == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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this->event_cb = event;
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this->user_data = user_data;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_get_n_ports (SpaHandle *handle,
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unsigned int *n_input_ports,
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unsigned int *max_input_ports,
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unsigned int *n_output_ports,
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unsigned int *max_output_ports)
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{
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if (handle == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (n_input_ports)
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*n_input_ports = 0;
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if (n_output_ports)
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*n_output_ports = 1;
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if (max_input_ports)
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*max_input_ports = 0;
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if (max_output_ports)
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*max_output_ports = 1;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_get_port_ids (SpaHandle *handle,
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unsigned int n_input_ports,
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uint32_t *input_ids,
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unsigned int n_output_ports,
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uint32_t *output_ids)
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{
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if (handle == NULL || input_ids == NULL || output_ids == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (n_output_ports > 0)
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output_ids[0] = 0;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_add_port (SpaHandle *handle,
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SpaDirection direction,
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uint32_t *port_id)
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{
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return SPA_RESULT_NOT_IMPLEMENTED;
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}
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static SpaResult
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spa_audiotestsrc_node_remove_port (SpaHandle *handle,
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uint32_t port_id)
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{
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return SPA_RESULT_NOT_IMPLEMENTED;
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}
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static SpaResult
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spa_audiotestsrc_node_enum_port_formats (SpaHandle *handle,
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uint32_t port_id,
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unsigned int index,
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SpaFormat **format)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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if (handle == NULL || format == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (port_id != 0)
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return SPA_RESULT_INVALID_PORT;
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switch (index) {
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case 0:
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spa_audio_raw_format_init (&this->query_format);
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break;
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default:
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return SPA_RESULT_ENUM_END;
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}
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*format = &this->query_format.format;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_set_port_format (SpaHandle *handle,
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uint32_t port_id,
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int test_only,
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const SpaFormat *format)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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SpaResult res;
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if (handle == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (port_id != 0)
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return SPA_RESULT_INVALID_PORT;
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if (format == NULL) {
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this->have_format = false;
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return SPA_RESULT_OK;
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}
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if ((res = spa_audio_raw_format_parse (format, &this->current_format)) < 0)
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return res;
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this->have_format = true;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_get_port_format (SpaHandle *handle,
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uint32_t port_id,
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const SpaFormat **format)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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if (handle == NULL || format == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (port_id != 0)
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return SPA_RESULT_INVALID_PORT;
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if (!this->have_format)
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return SPA_RESULT_NO_FORMAT;
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*format = &this->current_format.format;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_get_port_info (SpaHandle *handle,
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uint32_t port_id,
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const SpaPortInfo **info)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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if (handle == NULL || info == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (port_id != 0)
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return SPA_RESULT_INVALID_PORT;
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*info = &this->info;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_get_port_props (SpaHandle *handle,
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uint32_t port_id,
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SpaProps **props)
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{
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return SPA_RESULT_NOT_IMPLEMENTED;
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}
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static SpaResult
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spa_audiotestsrc_node_set_port_props (SpaHandle *handle,
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uint32_t port_id,
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const SpaProps *props)
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{
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return SPA_RESULT_NOT_IMPLEMENTED;
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}
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static SpaResult
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spa_audiotestsrc_node_get_port_status (SpaHandle *handle,
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uint32_t port_id,
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const SpaPortStatus **status)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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if (handle == NULL || status == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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if (port_id != 0)
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return SPA_RESULT_INVALID_PORT;
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if (!this->have_format)
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return SPA_RESULT_NO_FORMAT;
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*status = &this->status;
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return SPA_RESULT_OK;
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}
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static SpaResult
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spa_audiotestsrc_node_push_port_input (SpaHandle *handle,
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unsigned int n_info,
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SpaInputInfo *info)
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{
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return SPA_RESULT_INVALID_PORT;
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}
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static SpaResult
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spa_audiotestsrc_node_pull_port_output (SpaHandle *handle,
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unsigned int n_info,
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SpaOutputInfo *info)
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{
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SpaAudioTestSrc *this = (SpaAudioTestSrc *) handle;
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size_t j, size;
|
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uint8_t *ptr;
|
||||
unsigned int i;
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||||
bool have_error = false;
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if (handle == NULL || n_info == 0 || info == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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||||
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for (i = 0; i < n_info; i++) {
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||||
if (info[i].port_id != 0) {
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||||
info[i].status = SPA_RESULT_INVALID_PORT;
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||||
have_error = true;
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||||
continue;
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||||
}
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||||
|
||||
if (!this->have_format) {
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info[i].status = SPA_RESULT_NO_FORMAT;
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have_error = true;
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continue;
|
||||
}
|
||||
|
||||
if (info[i].buffer == NULL || info[i].buffer->n_datas == 0) {
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||||
info[i].status = SPA_RESULT_INVALID_ARGUMENTS;
|
||||
have_error = true;
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||||
continue;
|
||||
}
|
||||
|
||||
ptr = info[i].buffer->datas[0].data;
|
||||
size = info[i].buffer->datas[0].size;
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||||
|
||||
for (j = 0; j < size; j++)
|
||||
ptr[j] = rand();
|
||||
|
||||
info[i].status = SPA_RESULT_OK;
|
||||
}
|
||||
if (have_error)
|
||||
return SPA_RESULT_ERROR;
|
||||
|
||||
return SPA_RESULT_OK;
|
||||
}
|
||||
|
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static const SpaNode audiotestsrc_node = {
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sizeof (SpaNode),
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||||
spa_audiotestsrc_node_get_props,
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||||
spa_audiotestsrc_node_set_props,
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||||
spa_audiotestsrc_node_send_command,
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spa_audiotestsrc_node_set_event_callback,
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spa_audiotestsrc_node_get_n_ports,
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||||
spa_audiotestsrc_node_get_port_ids,
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||||
spa_audiotestsrc_node_add_port,
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spa_audiotestsrc_node_remove_port,
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spa_audiotestsrc_node_enum_port_formats,
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spa_audiotestsrc_node_set_port_format,
|
||||
spa_audiotestsrc_node_get_port_format,
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||||
spa_audiotestsrc_node_get_port_info,
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||||
spa_audiotestsrc_node_get_port_props,
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||||
spa_audiotestsrc_node_set_port_props,
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||||
spa_audiotestsrc_node_get_port_status,
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||||
spa_audiotestsrc_node_push_port_input,
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||||
spa_audiotestsrc_node_pull_port_output,
|
||||
};
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||||
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||||
static SpaResult
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||||
spa_audiotestsrc_get_interface (SpaHandle *handle,
|
||||
uint32_t interface_id,
|
||||
const void **interface)
|
||||
{
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||||
if (handle == NULL || interface == NULL)
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||||
return SPA_RESULT_INVALID_ARGUMENTS;
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||||
|
||||
switch (interface_id) {
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||||
case SPA_INTERFACE_ID_NODE:
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||||
*interface = &audiotestsrc_node;
|
||||
break;
|
||||
default:
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||||
return SPA_RESULT_UNKNOWN_INTERFACE;
|
||||
}
|
||||
return SPA_RESULT_OK;
|
||||
}
|
||||
|
||||
SpaHandle *
|
||||
spa_audiotestsrc_new (void)
|
||||
{
|
||||
SpaHandle *handle;
|
||||
SpaAudioTestSrc *this;
|
||||
|
||||
handle = calloc (1, sizeof (SpaAudioTestSrc));
|
||||
handle->get_interface = spa_audiotestsrc_get_interface;
|
||||
|
||||
this = (SpaAudioTestSrc *) handle;
|
||||
this->props.props.n_prop_info = PROP_ID_LAST;
|
||||
this->props.props.prop_info = prop_info;
|
||||
this->props.props.set_prop = spa_props_generic_set_prop;
|
||||
this->props.props.get_prop = spa_props_generic_get_prop;
|
||||
reset_audiotestsrc_props (&this->props);
|
||||
|
||||
this->info.flags = SPA_PORT_INFO_FLAG_CAN_USE_BUFFER |
|
||||
SPA_PORT_INFO_FLAG_NO_REF;
|
||||
this->status.flags = SPA_PORT_STATUS_FLAG_HAVE_OUTPUT;
|
||||
|
||||
return handle;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue