return 0;
}
+pa_format_info *pa_format_info_from_sample_spec2(const pa_sample_spec *ss, const pa_channel_map *map, bool set_format,
+ bool set_rate, bool set_channels) {
+ pa_format_info *format = NULL;
+
+ pa_assert(ss);
+
+ format = pa_format_info_new();
+ format->encoding = PA_ENCODING_PCM;
+
+ if (set_format)
+ pa_format_info_set_sample_format(format, ss->format);
+
+ if (set_rate)
+ pa_format_info_set_rate(format, ss->rate);
+
+ if (set_channels) {
+ pa_format_info_set_channels(format, ss->channels);
+
+ if (map) {
+ if (map->channels != ss->channels) {
+ pa_log_debug("Channel map is incompatible with the sample spec.");
+ goto fail;
+ }
+
+ pa_format_info_set_channel_map(format, map);
+ }
+ }
+
+ return format;
+
+fail:
+ if (format)
+ pa_format_info_free(format);
+
+ return NULL;
+}
+
int pa_format_info_to_sample_spec2(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map, pa_sample_spec *fallback_ss,
pa_channel_map *fallback_map) {
int r, r2;
#include <pulse/format.h>
+#include <stdbool.h>
+
/* Gets the sample format stored in the format info. Returns a negative error
* code on failure. If the sample format property is not set at all, returns
* -PA_ERR_NOENTITY. */
* -PA_ERR_NOENTITY. */
int pa_format_info_get_channel_map(pa_format_info *f, pa_channel_map *map);
+/* Convert a sample spec and an optional channel map to a new PCM format info
+ * object (remember to free it). If map is NULL, then the channel map will be
+ * left unspecified. If some fields of the sample spec should be ignored, pass
+ * false for set_format, set_rate and set_channels as appropriate, then those
+ * fields will be left unspecified. This function returns NULL if the input is
+ * invalid (for example, setting the sample rate was requested, but the rate
+ * in ss is invalid).
+ *
+ * pa_format_info_from_sample_spec() exists too. This "version 2" was created,
+ * because the original function doesn't provide the possibility of ignoring
+ * some of the sample spec fields. That functionality can't be added to the
+ * original function, because the function is a part of the public API and
+ * adding parameters to it would break the API. */
+pa_format_info *pa_format_info_from_sample_spec2(const pa_sample_spec *ss, const pa_channel_map *map, bool set_format,
+ bool set_rate, bool set_channels);
+
/* Convert the format info into a sample spec and a channel map. If the format
* info doesn't contain some information, the fallback sample spec and channel
* map are used to populate the output.