input/logicport: silence a non-fatal glib runtime assertion

[libsigrok.git] / src / input / vcd.c

diff --git a/src/input/vcd.c b/src/input/vcd.c
index bf203193ef6ef06ea83ad1fe22083b83ba913b2a..7614ba68a6f7bc192dab8c4f85cddccb91c34954 100644 (file)
--- a/src/input/vcd.c
+++ b/src/input/vcd.c
@@ -67,7 +67,7 @@
 
 #define LOG_PREFIX "input/vcd"
 
-#define CHUNKSIZE (1024 * 1024)
+#define CHUNK_SIZE (4 * 1024 * 1024)
 
 struct context {
        gboolean started;
@@ -265,7 +265,7 @@ static gboolean parse_header(const struct sr_input *in, GString *buf)
        return status;
 }
 
-static int format_match(GHashTable *metadata)
+static int format_match(GHashTable *metadata, unsigned int *confidence)
 {
        GString *buf, *tmpbuf;
        gboolean status;
@@ -283,7 +283,11 @@ static int format_match(GHashTable *metadata)
        g_free(name);
        g_free(contents);
 
-       return status ? SR_OK : SR_ERR;
+       if (!status)
+               return SR_ERR;
+       *confidence = 1;
+
+       return SR_OK;
 }
 
 /* Send all accumulated bytes from inc->buffer. */
@@ -319,7 +323,7 @@ static void add_samples(const struct sr_input *in, size_t count)
        uint8_t *p;
 
        inc = in->priv;
-       samples_per_chunk = CHUNKSIZE / inc->bytes_per_sample;
+       samples_per_chunk = CHUNK_SIZE / inc->bytes_per_sample;
 
        while (count) {
                space_left = samples_per_chunk - inc->samples_in_buffer;
@@ -498,7 +502,7 @@ static int init(struct sr_input *in, GHashTable *options)
        in->sdi = g_malloc0(sizeof(struct sr_dev_inst));
        in->priv = inc;
 
-       inc->buffer = g_malloc(CHUNKSIZE);
+       inc->buffer = g_malloc(CHUNK_SIZE);
 
        return SR_OK;
 }
@@ -625,10 +629,11 @@ static int reset(struct sr_input *in)
 }
 
 static struct sr_option options[] = {
-       { "numchannels", "Number of channels", "Number of channels", NULL, NULL },
-       { "skip", "Skip", "Skip until timestamp", NULL, NULL },
-       { "downsample", "Downsample", "Divide samplerate by factor", NULL, NULL },
-       { "compress", "Compress", "Compress idle periods longer than this value", NULL, NULL },
+       { "numchannels", "Number of logic channels", "The number of (logic) channels in the data", NULL, NULL },
+       { "skip", "Skip samples until timestamp", "Skip samples until the specified timestamp; "
+               "< 0: Skip until first timestamp listed; 0: Don't skip", NULL, NULL },
+       { "downsample", "Downsampling factor", "Downsample, i.e. divide the samplerate by the specified factor", NULL, NULL },
+       { "compress", "Compress idle periods", "Compress idle periods longer than the specified value", NULL, NULL },
        ALL_ZERO
 };
 
@@ -647,7 +652,7 @@ static const struct sr_option *get_options(void)
 SR_PRIV struct sr_input_module input_vcd = {
        .id = "vcd",
        .name = "VCD",
-       .desc = "Value Change Dump",
+       .desc = "Value Change Dump data",
        .exts = (const char*[]){"vcd", NULL},
        .metadata = { SR_INPUT_META_HEADER | SR_INPUT_META_REQUIRED },
        .options = get_options,