38 int xfer_context_init(struct xfer_context *xfer, enum xfer_type type,  in xfer_context_init()  argument
53 	assert(xfer);  in xfer_context_init()
65 	xfer->direction = direction;  in xfer_context_init()
66 	xfer->type = type;  in xfer_context_init()
67 	xfer->ops = &entry->data->ops;  in xfer_context_init()
69 	xfer->private_data = malloc(entry->data->private_size);  in xfer_context_init()
70 	if (xfer->private_data == NULL)  in xfer_context_init()
72 	memset(xfer->private_data, 0, entry->data->private_size);  in xfer_context_init()
74 	err = xfer->ops->init(xfer, direction);  in xfer_context_init()
78 	err = xfer_options_parse_args(xfer, entry->data, argc, argv);  in xfer_context_init()
82 	return xfer->ops->validate_opts(xfer);  in xfer_context_init()
85 void xfer_context_destroy(struct xfer_context *xfer)  in xfer_context_destroy()  argument
89 	assert(xfer);  in xfer_context_destroy()
91 	if (!xfer->ops)  in xfer_context_destroy()
94 	if (xfer->ops->destroy)  in xfer_context_destroy()
95 		xfer->ops->destroy(xfer);  in xfer_context_destroy()
96 	if (xfer->private_data)  in xfer_context_destroy()
97 		free(xfer->private_data);  in xfer_context_destroy()
99 	if (xfer->paths) {  in xfer_context_destroy()
100 		for (i = 0; i < xfer->path_count; ++i)  in xfer_context_destroy()
101 			free(xfer->paths[i]);  in xfer_context_destroy()
102 		free(xfer->paths);  in xfer_context_destroy()
105 	xfer->paths = NULL;  in xfer_context_destroy()
107 	free(xfer->sample_format_literal);  in xfer_context_destroy()
108 	xfer->sample_format_literal = NULL;  in xfer_context_destroy()
110 	free(xfer->cntr_format_literal);  in xfer_context_destroy()
111 	xfer->cntr_format_literal = NULL;  in xfer_context_destroy()
114 int xfer_context_pre_process(struct xfer_context *xfer,  in xfer_context_pre_process()  argument
123 	assert(xfer);  in xfer_context_pre_process()
130 	if (!xfer->ops)  in xfer_context_pre_process()
133 	if (xfer->direction == SND_PCM_STREAM_CAPTURE) {  in xfer_context_pre_process()
135 		if (xfer->sample_format != SND_PCM_FORMAT_UNKNOWN)  in xfer_context_pre_process()
136 			*format = xfer->sample_format;  in xfer_context_pre_process()
137 		if (xfer->samples_per_frame > 0)  in xfer_context_pre_process()
138 			*samples_per_frame = xfer->samples_per_frame;  in xfer_context_pre_process()
139 		if (xfer->frames_per_second > 0)  in xfer_context_pre_process()
140 			*frames_per_second = xfer->frames_per_second;  in xfer_context_pre_process()
141 	} else if (xfer->direction == SND_PCM_STREAM_PLAYBACK) {  in xfer_context_pre_process()
144 		if (*format != xfer->sample_format) {  in xfer_context_pre_process()
146 			if (xfer->sample_format != SND_PCM_FORMAT_UNKNOWN) {  in xfer_context_pre_process()
150 					snd_pcm_format_name(xfer->sample_format),  in xfer_context_pre_process()
156 		if (*samples_per_frame != xfer->samples_per_frame) {  in xfer_context_pre_process()
158 			if (xfer->samples_per_frame > 0) {  in xfer_context_pre_process()
162 					xfer->samples_per_frame,  in xfer_context_pre_process()
168 		if (*frames_per_second != xfer->frames_per_second) {  in xfer_context_pre_process()
170 			if (xfer->frames_per_second != 8000) {  in xfer_context_pre_process()
174 					xfer->frames_per_second,  in xfer_context_pre_process()
181 	err = xfer->ops->pre_process(xfer, format, samples_per_frame,  in xfer_context_pre_process()
195 	xfer->sample_format = *format;  in xfer_context_pre_process()
196 	xfer->samples_per_frame = *samples_per_frame;  in xfer_context_pre_process()
197 	xfer->frames_per_second = *frames_per_second;  in xfer_context_pre_process()
199 	if (xfer->direction == SND_PCM_STREAM_CAPTURE) {  in xfer_context_pre_process()
200 		err = xfer_options_fixup_paths(xfer);  in xfer_context_pre_process()
205 	if (xfer->verbose > 1) {  in xfer_context_pre_process()
207 			xfer_type_labels[xfer->type]);  in xfer_context_pre_process()
225 int xfer_context_process_frames(struct xfer_context *xfer,  in xfer_context_process_frames()  argument
230 	assert(xfer);  in xfer_context_process_frames()
235 	if (!xfer->ops)  in xfer_context_process_frames()
238 	return xfer->ops->process_frames(xfer, frame_count, mapper, cntrs);  in xfer_context_process_frames()
241 void xfer_context_pause(struct xfer_context *xfer, bool enable)  in xfer_context_pause()  argument
243 	assert(xfer);  in xfer_context_pause()
245 	if (!xfer->ops)  in xfer_context_pause()
248 	xfer->ops->pause(xfer, enable);  in xfer_context_pause()
251 void xfer_context_post_process(struct xfer_context *xfer)  in xfer_context_post_process()  argument
253 	assert(xfer);  in xfer_context_post_process()
255 	if (!xfer->ops)  in xfer_context_post_process()
258 	xfer->ops->post_process(xfer);  in xfer_context_post_process()