Changeset b266f9e in mainline for uspace/srv/audio/hound/hound_ctx.c

Timestamp:

2013-04-04T11:15:41Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

bf13c9a4

Parents:

6133470

Message:

hound: implement stream creation/destruction

File:

• uspace/srv/audio/hound/hound_ctx.c (modified) (4 diffs)

uspace/srv/audio/hound/hound_ctx.c

@@ -38 +38 @@
 
 #include "hound_ctx.h"
+#include "log.h"
 
 hound_ctx_t *hound_record_ctx_get(const char *name)
@@ -49 +50 @@
         if (ctx) {
                 link_initialize(&ctx->link);
+                list_initialize(&ctx->streams);
                 ctx->sink = NULL;
                 ctx->source = malloc(sizeof(audio_source_t));
@@ -74 +76 @@
         if (ctx->sink)
                 audio_sink_fini(ctx->sink);
+        //TODO remove streams
         free(ctx->source);
         free(ctx->sink);
@@ -88 +91 @@
 {
         assert(ctx);
-        //TODO fix this
-        return false;
+        return ctx->source == NULL;
+}
+
+hound_ctx_stream_t *hound_ctx_create_stream(hound_ctx_t *ctx, int flags,
+        pcm_format_t format, size_t buffer_size)
+{
+        assert(ctx);
+        hound_ctx_stream_t *stream = malloc(sizeof(hound_ctx_stream_t));
+        if (stream) {
+                link_initialize(&stream->link);
+                stream->ctx = ctx;
+                stream->flags = flags;
+                stream->format = format;
+                stream->allowed_size = buffer_size;
+                list_append(&stream->link, &ctx->streams);
+                log_verbose("CTX: %p added stream; flags:%#x ch: %u r:%u f:%s",
+                    ctx, flags, format.channels, format.sampling_rate,
+                    pcm_sample_format_str(format.sample_format));
+        }
+        return stream;
+}
+
+void hound_ctx_destroy_stream(hound_ctx_stream_t *stream)
+{
+        if (stream) {
+                list_remove(&stream->link);
+                //TODO free used buffer space
+                log_verbose("CTX: %p remove stream; flags:%#x ch: %u r:%u f:%s",
+                    stream->ctx, stream->flags, stream->format.channels,
+                    stream->format.sampling_rate,
+                    pcm_sample_format_str(stream->format.sample_format));
+                free(stream);
+        }
 }