-shared_ptr<FFmpegAudioStream>
-FFmpegAudioStream::create (string t, optional<int> v)
-{
- if (!v) {
- /* version < 1; no type in the string, and there's only FFmpeg streams anyway */
- return shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (t, v));
- }
-
- stringstream s (t);
- string type;
- s >> type;
- if (type != N_("ffmpeg")) {
- return shared_ptr<FFmpegAudioStream> ();
- }
-
- return shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (t, v));
-}
-
-FFmpegAudioStream::FFmpegAudioStream (string t, optional<int> version)
-{
- stringstream n (t);
-
- int name_index = 4;
- if (!version) {
- name_index = 2;
- int channels;
- n >> _id >> channels;
- _channel_layout = av_get_default_channel_layout (channels);
- _sample_rate = 0;
- } else {
- string type;
- /* Current (marked version 1) */
- n >> type >> _id >> _sample_rate >> _channel_layout;
- assert (type == N_("ffmpeg"));
- }
-
- for (int i = 0; i < name_index; ++i) {
- size_t const s = t.find (' ');
- if (s != string::npos) {
- t = t.substr (s + 1);
- }
- }
-
- _name = t;
-}
-
-string
-FFmpegAudioStream::to_string () const
-{
- return String::compose (N_("ffmpeg %1 %2 %3 %4"), _id, _sample_rate, _channel_layout, _name);
-}
-