]> code.delx.au - pulseaudio/blobdiff - src/pulsecore/core-format.c
remap: Change remapping function argument type from void to int16_t / float as approp...
[pulseaudio] / src / pulsecore / core-format.c
index 43ad4683d64382e4eec1a432943f794f7cc45a4f..2c03c47ce377d1efdc8d0f656a552c1d2a754ff3 100644 (file)
@@ -28,7 +28,7 @@
 
 #include <pulsecore/macro.h>
 
-int pa_format_info_get_sample_format(pa_format_info *f, pa_sample_format_t *sf) {
+int pa_format_info_get_sample_format(const pa_format_info *f, pa_sample_format_t *sf) {
     int r;
     char *sf_str;
     pa_sample_format_t sf_local;
@@ -53,7 +53,7 @@ int pa_format_info_get_sample_format(pa_format_info *f, pa_sample_format_t *sf)
     return 0;
 }
 
-int pa_format_info_get_rate(pa_format_info *f, uint32_t *rate) {
+int pa_format_info_get_rate(const pa_format_info *f, uint32_t *rate) {
     int r;
     int rate_local;
 
@@ -74,7 +74,151 @@ int pa_format_info_get_rate(pa_format_info *f, uint32_t *rate) {
     return 0;
 }
 
-int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
+int pa_format_info_get_channels(const pa_format_info *f, uint8_t *channels) {
+    int r;
+    int channels_local;
+
+    pa_assert(f);
+    pa_assert(channels);
+
+    r = pa_format_info_get_prop_int(f, PA_PROP_FORMAT_CHANNELS, &channels_local);
+    if (r < 0)
+        return r;
+
+    if (!pa_channels_valid(channels_local)) {
+        pa_log_debug("Invalid channel count: %i", channels_local);
+        return -PA_ERR_INVALID;
+    }
+
+    *channels = channels_local;
+
+    return 0;
+}
+
+int pa_format_info_get_channel_map(const pa_format_info *f, pa_channel_map *map) {
+    int r;
+    char *map_str;
+
+    pa_assert(f);
+    pa_assert(map);
+
+    r = pa_format_info_get_prop_string(f, PA_PROP_FORMAT_CHANNEL_MAP, &map_str);
+    if (r < 0)
+        return r;
+
+    map = pa_channel_map_parse(map, map_str);
+    pa_xfree(map_str);
+
+    if (!map) {
+        pa_log_debug("Failed to parse channel map.");
+        return -PA_ERR_INVALID;
+    }
+
+    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(const pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map,
+                                   const pa_sample_spec *fallback_ss, const pa_channel_map *fallback_map) {
+    int r, r2;
+    pa_sample_spec ss_local;
+    pa_channel_map map_local;
+
+    pa_assert(f);
+    pa_assert(ss);
+    pa_assert(map);
+    pa_assert(fallback_ss);
+    pa_assert(fallback_map);
+
+    if (!pa_format_info_is_pcm(f))
+        return pa_format_info_to_sample_spec_fake(f, ss, map);
+
+    r = pa_format_info_get_sample_format(f, &ss_local.format);
+    if (r == -PA_ERR_NOENTITY)
+        ss_local.format = fallback_ss->format;
+    else if (r < 0)
+        return r;
+
+    pa_assert(pa_sample_format_valid(ss_local.format));
+
+    r = pa_format_info_get_rate(f, &ss_local.rate);
+    if (r == -PA_ERR_NOENTITY)
+        ss_local.rate = fallback_ss->rate;
+    else if (r < 0)
+        return r;
+
+    pa_assert(pa_sample_rate_valid(ss_local.rate));
+
+    r = pa_format_info_get_channels(f, &ss_local.channels);
+    r2 = pa_format_info_get_channel_map(f, &map_local);
+    if (r == -PA_ERR_NOENTITY && r2 >= 0)
+        ss_local.channels = map_local.channels;
+    else if (r == -PA_ERR_NOENTITY)
+        ss_local.channels = fallback_ss->channels;
+    else if (r < 0)
+        return r;
+
+    pa_assert(pa_channels_valid(ss_local.channels));
+
+    if (r2 >= 0 && map_local.channels != ss_local.channels) {
+        pa_log_debug("Channel map is not compatible with the sample spec.");
+        return -PA_ERR_INVALID;
+    }
+
+    if (r2 == -PA_ERR_NOENTITY) {
+        if (fallback_map->channels == ss_local.channels)
+            map_local = *fallback_map;
+        else
+            pa_channel_map_init_extend(&map_local, ss_local.channels, PA_CHANNEL_MAP_DEFAULT);
+    } else if (r2 < 0)
+        return r2;
+
+    pa_assert(pa_channel_map_valid(&map_local));
+    pa_assert(ss_local.channels == map_local.channels);
+
+    *ss = ss_local;
+    *map = map_local;
+
+    return 0;
+}
+
+int pa_format_info_to_sample_spec_fake(const pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
     int rate;
 
     pa_assert(f);