input/chronovu_la8: Fix broken I/O loop.

diff --git a/src/input/chronovu_la8.c b/src/input/chronovu_la8.c
index 058d8dd5b5d89d3ac4c43392804f09b3ff476d77..a56d3485c854d6f66ff1fdc22e23eb76ecc78530 100644 (file)
--- a/src/input/chronovu_la8.c
+++ b/src/input/chronovu_la8.c
@@ -92,33 +92,33 @@ static int receive(const struct sr_input *in, GString *buf)
 
        num_channels = g_slist_length(in->sdi->channels);
 
-       std_session_send_df_header(in->sdi, LOG_PREFIX);
-       inc->started = TRUE;
-
-       packet.type = SR_DF_META;
-       packet.payload = &meta;
-       src = sr_config_new(SR_CONF_SAMPLERATE, g_variant_new_uint64(inc->samplerate));
-       meta.config = g_slist_append(NULL, src);
-       sr_session_send(in->sdi, &packet);
-       sr_config_free(src);
+       if (!inc->started) {
+               std_session_send_df_header(in->sdi, LOG_PREFIX);
+               inc->started = TRUE;
+
+               packet.type = SR_DF_META;
+               packet.payload = &meta;
+               src = sr_config_new(SR_CONF_SAMPLERATE, g_variant_new_uint64(inc->samplerate));
+               meta.config = g_slist_append(NULL, src);
+               sr_session_send(in->sdi, &packet);
+               sr_config_free(src);
+       }
 
        packet.type = SR_DF_LOGIC;
        packet.payload = &logic;
        logic.unitsize = (num_channels + 7) / 8;
-       logic.data = in->buf->str;
 
        /* Cut off at multiple of unitsize. */
        chunk_size = in->buf->len / logic.unitsize * logic.unitsize;
 
        chunk = 0;
        for (i = 0; i < chunk_size; i += chunk) {
-               chunk = MAX(MAX_CHUNK_SIZE, chunk_size - i);
+               logic.data = in->buf->str + i;
+               chunk = MIN(MAX_CHUNK_SIZE, chunk_size - i);
                logic.length = chunk;
                sr_session_send(in->sdi, &packet);
        }
-
-       if (in->buf->len > chunk_size)
-               g_string_erase(in->buf, 0, in->buf->len - chunk_size);
+       g_string_erase(in->buf, 0, chunk_size);
 
        return SR_OK;
 }