pa_format_info_set_sample_format;
pa_format_info_snprint;
pa_format_info_to_sample_spec;
-pa_format_info_to_sample_spec_fake;
pa_format_info_valid;
pa_frame_size;
pa_get_binary_name;
return f;
}
+/* For compressed streams */
+static int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss) {
+ int rate;
+
+ pa_assert(f);
+ pa_assert(ss);
+
+ /* Note: When we add support for non-IEC61937 encapsulated compressed
+ * formats, this function should return a non-zero values for these. */
+
+ ss->format = PA_SAMPLE_S16LE;
+ ss->channels = 2;
+
+ pa_return_val_if_fail(pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate) == 0, -PA_ERR_INVALID);
+ ss->rate = (uint32_t) rate;
+
+ if (f->encoding == PA_ENCODING_EAC3_IEC61937)
+ ss->rate *= 4;
+
+ return 0;
+}
+
/* For PCM streams */
int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
char *sf = NULL, *m = NULL;
pa_assert(f);
pa_assert(ss);
- pa_return_val_if_fail(f->encoding == PA_ENCODING_PCM, FALSE);
+
+ if (!pa_format_info_is_pcm(f))
+ return pa_format_info_to_sample_spec_fake(f, ss);
if (pa_format_info_get_prop_string(f, PA_PROP_FORMAT_SAMPLE_FORMAT, &sf))
goto out;
return ret;
}
-/* For compressed streams */
-int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss) {
- int rate;
-
- pa_assert(f);
- pa_assert(ss);
- pa_return_val_if_fail(f->encoding != PA_ENCODING_PCM, -PA_ERR_INVALID);
-
- ss->format = PA_SAMPLE_S16LE;
- ss->channels = 2;
-
- pa_return_val_if_fail(pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate) == 0, -PA_ERR_INVALID);
- ss->rate = (uint32_t) rate;
-
- if (f->encoding == PA_ENCODING_EAC3_IEC61937)
- ss->rate *= 4;
-
- return 0;
-}
-
pa_prop_type_t pa_format_info_get_prop_type(pa_format_info *f, const char *key) {
const char *str;
json_object *o, *o1;
/** Utility function to take a \a pa_sample_spec and generate the corresponding \a pa_format_info. \since 2.0 */
pa_format_info* pa_format_info_from_sample_spec(pa_sample_spec *ss, pa_channel_map *map);
-/** Utility function to generate a \a pa_sample_spec and \a pa_channel_map corresponding to a given \a pa_format_info. Returns
- * a negative integer if conversion failed and 0 on success. \since 2.0 */
+/** Utility function to generate a \a pa_sample_spec and \a pa_channel_map corresponding to a given \a pa_format_info. The
+ * conversion for PCM formats is straight-forward. For non-PCM formats, if there is a fixed size-time conversion (i.e. all
+ * IEC61937-encapsulated formats), a "fake" sample spec whose size-time conversion corresponds to this format is provided and
+ * the channel map argument is ignored. For formats with variable size-time conversion, this function will fail. Returns a
+ * negative integer if conversion failed and 0 on success. \since 2.0 */
int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map);
/** Represents the type of value type of a property on a \ref pa_format_info. \since 2.0 */
void pa_ext_stream_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t);
void pa_format_info_free2(pa_format_info *f, void *userdata);
-int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss);
pa_bool_t pa_mainloop_is_our_api(pa_mainloop_api*m);
/* Now populate the sample spec and format according to the final
* format that we've negotiated */
- if (PA_LIKELY(data->format->encoding == PA_ENCODING_PCM)) {
- pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map) == 0, -PA_ERR_INVALID);
- pa_sink_input_new_data_set_sample_spec(data, &ss);
- if (pa_channel_map_valid(&map))
- pa_sink_input_new_data_set_channel_map(data, &map);
- } else {
- pa_return_val_if_fail(pa_format_info_to_sample_spec_fake(data->format, &ss) == 0, -PA_ERR_INVALID);
- pa_sink_input_new_data_set_sample_spec(data, &ss);
- }
+ pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map) == 0, -PA_ERR_INVALID);
+ pa_sink_input_new_data_set_sample_spec(data, &ss);
+ if (pa_format_info_is_pcm(data->format) && pa_channel_map_valid(&map))
+ pa_sink_input_new_data_set_channel_map(data, &map);
pa_return_val_if_fail(PA_SINK_IS_LINKED(pa_sink_get_state(data->sink)), -PA_ERR_BADSTATE);
pa_return_val_if_fail(!data->sync_base || (data->sync_base->sink == data->sink && pa_sink_input_get_state(data->sync_base) == PA_SINK_INPUT_CORKED), -PA_ERR_INVALID);
/* Now populate the sample spec and format according to the final
* format that we've negotiated */
- if (PA_LIKELY(data->format->encoding == PA_ENCODING_PCM)) {
- pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map) == 0, -PA_ERR_INVALID);
- pa_source_output_new_data_set_sample_spec(data, &ss);
- if (pa_channel_map_valid(&map))
- pa_source_output_new_data_set_channel_map(data, &map);
- } else {
- pa_return_val_if_fail(pa_format_info_to_sample_spec_fake(data->format, &ss) == 0, -PA_ERR_INVALID);
- pa_source_output_new_data_set_sample_spec(data, &ss);
- }
+ pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map) == 0, -PA_ERR_INVALID);
+ pa_source_output_new_data_set_sample_spec(data, &ss);
+ if (pa_format_info_is_pcm(data->format) && pa_channel_map_valid(&map))
+ pa_source_output_new_data_set_channel_map(data, &map);
pa_return_val_if_fail(PA_SOURCE_IS_LINKED(pa_source_get_state(data->source)), -PA_ERR_BADSTATE);
pa_return_val_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of, -PA_ERR_INVALID);