diff --git a/gst-libs/gst/audio/audio-format.c b/gst-libs/gst/audio/audio-format.c index c41a0dd921..2303495db6 100644 --- a/gst-libs/gst/audio/audio-format.c +++ b/gst-libs/gst/audio/audio-format.c @@ -516,3 +516,65 @@ gst_audio_format_fill_silence (const GstAudioFormatInfo * info, } } } + +struct RawAudioFormats +{ + GstAudioFormat *formats; + guint n; +}; + +static gpointer +generate_raw_audio_formats (gpointer data) +{ + GValue list = G_VALUE_INIT; + struct RawAudioFormats *all = g_new (struct RawAudioFormats, 1); + gchar *tmp; + guint i; + + g_value_init (&list, GST_TYPE_LIST); + /* Workaround a bug in our parser that would lead to segfaults + * when deserializing container types using static strings, + * see https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/446 */ + tmp = g_strdup (GST_AUDIO_FORMATS_ALL); + g_assert (gst_value_deserialize (&list, tmp)); + g_free (tmp); + + all->n = gst_value_list_get_size (&list); + all->formats = g_new (GstAudioFormat, all->n); + + for (i = 0; i < all->n; i++) { + const GValue *v = gst_value_list_get_value (&list, i); + + all->formats[i] = gst_audio_format_from_string (g_value_get_string (v)); + g_assert (all->formats[i] != GST_AUDIO_FORMAT_UNKNOWN + && all->formats[i] != GST_AUDIO_FORMAT_ENCODED); + } + + g_value_unset (&list); + + return all; +} + +/** + * gst_audio_formats_raw: + * @len: (out): the number of elements in the returned array + * + * Return all the raw audio formats supported by GStreamer. + * + * Returns: (transfer none) (array length=len): an array of #GstAudioFormat + * Since: 1.18 + */ +const GstAudioFormat * +gst_audio_formats_raw (guint * len) +{ + static GOnce raw_audio_formats_once = G_ONCE_INIT; + struct RawAudioFormats *all; + + g_return_val_if_fail (len, NULL); + + g_once (&raw_audio_formats_once, generate_raw_audio_formats, NULL); + + all = raw_audio_formats_once.retval; + *len = all->n; + return all->formats; +} diff --git a/gst-libs/gst/audio/audio-format.h b/gst-libs/gst/audio/audio-format.h index cb0b335ded..36c05529d4 100644 --- a/gst-libs/gst/audio/audio-format.h +++ b/gst-libs/gst/audio/audio-format.h @@ -336,6 +336,9 @@ void gst_audio_format_fill_silence (const GstAudioFormatInfo *info "S18LE, S18BE, U18LE, U18BE, " \ "F32LE, F32BE, F64LE, F64BE }" +GST_AUDIO_API +const GstAudioFormat * gst_audio_formats_raw (guint * len); + /** * GST_AUDIO_CAPS_MAKE: * @format: string format that describes the sample layout, as string