#include "avstring.h"
#include "avutil.h"
#include "audioconvert.h"
+#include "bprint.h"
static const char * const channel_names[] = {
[0] = "FL", /* front left */
return layout;
}
-void av_get_channel_layout_string(char *buf, int buf_size,
- int nb_channels, uint64_t channel_layout)
+void av_bprint_channel_layout(struct AVBPrint *bp,
+ int nb_channels, uint64_t channel_layout)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(channel_layout_map); i++)
if (nb_channels == channel_layout_map[i].nb_channels &&
channel_layout == channel_layout_map[i].layout) {
- av_strlcpy(buf, channel_layout_map[i].name, buf_size);
+ av_bprintf(bp, "%s", channel_layout_map[i].name);
return;
}
- snprintf(buf, buf_size, "%d channels", nb_channels);
+ av_bprintf(bp, "%d channels", nb_channels);
if (channel_layout) {
int i, ch;
- av_strlcat(buf, " (", buf_size);
+ av_bprintf(bp, " (");
for (i = 0, ch = 0; i < 64; i++) {
if ((channel_layout & (UINT64_C(1) << i))) {
const char *name = get_channel_name(i);
if (name) {
if (ch > 0)
- av_strlcat(buf, "+", buf_size);
- av_strlcat(buf, name, buf_size);
+ av_bprintf(bp, "+");
+ av_bprintf(bp, "%s", name);
}
ch++;
}
}
- av_strlcat(buf, ")", buf_size);
+ av_bprintf(bp, ")");
}
}
+void av_get_channel_layout_string(char *buf, int buf_size,
+ int nb_channels, uint64_t channel_layout)
+{
+ AVBPrint bp;
+
+ av_bprint_init_for_buffer(&bp, buf, buf_size);
+ av_bprint_channel_layout(&bp, nb_channels, channel_layout);
+}
+
int av_get_channel_layout_nb_channels(uint64_t channel_layout)
{
int count;