1 files changed, 0 insertions, 293 deletions
diff --git a/binding/radio_output_pulse.c b/binding/radio_output_pulse.c
deleted file mode 100644
index 8b2957e..0000000
--- a/binding/radio_output_pulse.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Copyright (C) 2017 Konsulko Group
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <pulse/pulseaudio.h>
-
-#include "radio_output.h"
-#include "rtl_fm.h"
-
-static pa_threaded_mainloop *mainloop;
-static pa_context *context;
-static pa_stream *stream;
-
-static unsigned int extra;
-static int16_t extra_buf[1];
-static unsigned char *output_buf;
-
-static void pa_context_state_cb(pa_context *c, void *data) {
-
-	assert(c);
-	switch (pa_context_get_state(c)) {
-		case PA_CONTEXT_CONNECTING:
-		case PA_CONTEXT_AUTHORIZING:
-		case PA_CONTEXT_SETTING_NAME:
-		case PA_CONTEXT_READY:
-			break;
-		case PA_CONTEXT_TERMINATED:
-			pa_threaded_mainloop_stop(mainloop);
-			break;
-		case PA_CONTEXT_FAILED:
-		default:
-			fprintf(stderr, "PA connection failed: %s\n",
-				pa_strerror(pa_context_errno(c)));
-			pa_threaded_mainloop_stop(mainloop);
-			break;
-	}
-	pa_threaded_mainloop_signal(mainloop, 0);
-}
-
-int radio_output_open(void)
-{
-	pa_context *c;
-	pa_mainloop_api *mapi;
-	char *client;
-
-	if(context)
-		return 0;
-
-	if (!(mainloop = pa_threaded_mainloop_new())) {
-		fprintf(stderr, "pa_mainloop_new() failed.\n");
-		return -1;
-	}
-
-	pa_threaded_mainloop_set_name(mainloop, "pa_mainloop");
-	mapi = pa_threaded_mainloop_get_api(mainloop);
-
-	client = pa_xstrdup("radio");
-	if (!(c = pa_context_new(mapi, client))) {
-		fprintf(stderr, "pa_context_new() failed.\n");
-		goto exit;
-	}
-
-	pa_context_set_state_callback(c, pa_context_state_cb, NULL);
-	if (pa_context_connect(c, NULL, 0, NULL) < 0) {
-		fprintf(stderr, "pa_context_connect(): %s", pa_strerror(pa_context_errno(c)));
-		goto exit;
-	}
-
-	if (pa_threaded_mainloop_start(mainloop) < 0) {
-		fprintf(stderr, "pa_mainloop_run() failed.\n");
-		goto exit;
-	}
-
-	context = c;
-
-	extra = 0;
-	output_buf = malloc(sizeof(unsigned char) * RTL_FM_MAXIMUM_BUF_LENGTH);
-
-	return 0;
-
-exit:
-	if (c)
-		pa_context_unref(c);
-
-	if (mainloop)
-		pa_threaded_mainloop_free(mainloop);
-
-	pa_xfree(client);
-	return -1;
-}
-
-int radio_output_start(void)
-{
-	int error = 0;
-	pa_sample_spec *spec;
-
-	if(stream)
-		return 0;
-
-	if(!context) {
-		error = radio_output_open();
-		if(error != 0)
-			return error;
-	}
-
-	while(pa_context_get_state(context) != PA_CONTEXT_READY)
-		pa_threaded_mainloop_wait(mainloop);
-
-	spec = (pa_sample_spec*) calloc(1, sizeof(pa_sample_spec));
-	spec->format = PA_SAMPLE_S16LE;
-	spec->rate = 24000;
-	spec->channels = 2;
-	if (!pa_sample_spec_valid(spec)) {
-		fprintf(stderr, "%s\n",
-			pa_strerror(pa_context_errno(context)));
-		return -1;
-	}
-
-	pa_threaded_mainloop_lock(mainloop);
-	pa_proplist *props = pa_proplist_new();
-	pa_proplist_sets(props, PA_PROP_MEDIA_ROLE, "radio");
-	stream = pa_stream_new_with_proplist(context, "radio-output", spec, 0, props);
-	if(!stream) {
-		fprintf(stderr, "Error creating stream %s\n",
-			pa_strerror(pa_context_errno(context)));
-		pa_proplist_free(props);
-		free(spec);
-		pa_threaded_mainloop_unlock(mainloop);
-		return -1;
-	}
-	pa_proplist_free(props);
-	free(spec);
-
-	if(pa_stream_connect_playback(stream,
-				      NULL,
-				      NULL,
-				      (pa_stream_flags_t) 0,
-				      NULL,
-				      NULL) < 0) {
-		fprintf(stderr, "Error connecting to PulseAudio : %s\n",
-			pa_strerror(pa_context_errno(context)));
-		pa_stream_unref(stream);
-		stream = NULL;
-		pa_threaded_mainloop_unlock(mainloop);
-		return -1;
-	}
-
-	pa_threaded_mainloop_unlock(mainloop);
-
-	while(pa_stream_get_state(stream) != PA_STREAM_READY)
-		pa_threaded_mainloop_wait(mainloop);
-
-	return error;
-}
-
-void radio_output_stop(void)
-{
-	if(stream) {
-		pa_threaded_mainloop_lock(mainloop);
-
-		pa_stream_set_state_callback(stream, 0, 0);
-		pa_stream_set_write_callback(stream, 0, 0);
-		pa_stream_set_underflow_callback(stream, 0, 0);
-		pa_stream_set_overflow_callback(stream, 0, 0);
-		pa_stream_set_latency_update_callback(stream, 0, 0);
-
-		pa_operation *o = pa_stream_flush(stream, NULL, NULL);
-		if(o)
-			pa_operation_unref(o);
-
-		pa_stream_disconnect(stream);
-		pa_stream_unref(stream);
-		stream = NULL;
-
-		pa_threaded_mainloop_unlock(mainloop);
-	}
-}
-
-void radio_output_suspend(int state)
-{
-	if(stream) {
-		pa_stream_cork(stream, state, NULL, NULL);
-	}
-}
-
-void radio_output_close(void)
-{
-	radio_output_stop();
-
-	if(context) {
-		pa_context_disconnect(context);
-		pa_context_unref(context);
-		context = NULL;
-	}
-
-	if(mainloop) {
-		pa_threaded_mainloop_stop(mainloop);
-		pa_threaded_mainloop_free(mainloop);
-		mainloop = NULL;
-	}
-
-	free(output_buf);
-	output_buf = NULL;
-}
-
-ssize_t radio_output_write(void *buf, int len)
-{
-	ssize_t rc = -EINVAL;
-
-	size_t n = len;
-	size_t avail;
-	int samples = len / 2;
-	void *p;
-
-	if(!stream) {
-		return -1;
-	}
-
-	if(!buf) {
-		fprintf(stderr, "Error: buf == null!\n");
-		return rc;
-	}
-
-	pa_threaded_mainloop_lock(mainloop);
-
-	avail = pa_stream_writable_size(stream);
-	if(avail < n) {
-		/*
-		 * NOTE: Definitely room for improvement here,but for now just
-		 *       check for the no space case that happens when the
-		 *       stream is corked.
-		 */
-		if(!avail) {
-			rc = 0;
-			goto exit;
-		}
-	}
-
-	/*
-	 * Handle the rtl_fm code giving us an odd number of samples, which
-	 * PA does not like.  This extra buffer copying approach is not
-	 * particularly efficient, but works for now.  It looks feasible to
-	 * hack in something in the demod and output thread routines in
-	 * rtl_fm.c to handle it there if more performance is required.
-	 */
-	p = output_buf;
-	if(extra) {
-		memcpy(output_buf, extra_buf, sizeof(int16_t));
-		if((extra + samples) % 2) {
-			// We still have an extra sample, n remains the same, store the extra
-			memcpy(output_buf + sizeof(int16_t), buf, n - 2);
-			memcpy(extra_buf, ((unsigned char*) buf) + n - 2, sizeof(int16_t));
-		} else {
-			// We have an even number of samples, no extra
-			memcpy(output_buf + sizeof(int16_t), buf, n);
-			n += 2;
-			extra = 0;
-		}
-	} else if(samples % 2) {
-		// We have an extra sample, store it, and decrease n
-		n -= 2;
-		memcpy(output_buf + sizeof(int16_t), buf, n);
-		memcpy(extra_buf, ((unsigned char*) buf) + n, sizeof(int16_t));
-		extra = 1;
-	} else {
-		p = buf;
-	}
-
-	if ((rc = pa_stream_write(stream, p, n, NULL, 0, PA_SEEK_RELATIVE)) < 0) {
-		fprintf(stderr, "Error writing %zu bytes to PulseAudio : %s\n",
-			n, pa_strerror(pa_context_errno(context)));
-	}
-exit:
-	pa_threaded_mainloop_unlock(mainloop);
-
-	return rc;
-}