1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219

// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

#[cfg(any(feature = "v1_14", feature = "dox"))]
use glib::translate::*;
#[cfg(any(feature = "v1_14", feature = "dox"))]
use gst;
use gst_audio_sys;

glib_wrapper! {
    /// `AudioStreamAlign` provides a helper object that helps tracking audio
    /// stream alignment and discontinuities, and detects discontinuities if
    /// possible.
    ///
    /// See `AudioStreamAlign::new` for a description of its parameters and
    /// `AudioStreamAlign::process` for the details of the processing.
    ///
    /// Feature: `v1_14`
    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
    pub struct AudioStreamAlign(Boxed<gst_audio_sys::GstAudioStreamAlign>);

    match fn {
        copy => |ptr| gst_audio_sys::gst_audio_stream_align_copy(mut_override(ptr)),
        free => |ptr| gst_audio_sys::gst_audio_stream_align_free(ptr),
        get_type => || gst_audio_sys::gst_audio_stream_align_get_type(),
    }
}

impl AudioStreamAlign {
    /// Allocate a new `AudioStreamAlign` with the given configuration. All
    /// processing happens according to sample rate `rate`, until
    /// `AudioStreamAlign::set_rate` is called with a new `rate`.
    /// A negative rate can be used for reverse playback.
    ///
    /// `alignment_threshold` gives the tolerance in nanoseconds after which a
    /// timestamp difference is considered a discontinuity. Once detected,
    /// `discont_wait` nanoseconds have to pass without going below the threshold
    /// again until the output buffer is marked as a discontinuity. These can later
    /// be re-configured with `AudioStreamAlign::set_alignment_threshold` and
    /// `AudioStreamAlign::set_discont_wait`.
    ///
    /// Feature: `v1_14`
    ///
    /// ## `rate`
    /// a sample rate
    /// ## `alignment_threshold`
    /// a alignment threshold in nanoseconds
    /// ## `discont_wait`
    /// discont wait in nanoseconds
    ///
    /// # Returns
    ///
    /// a new `AudioStreamAlign`. free with `AudioStreamAlign::free`.
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn new(
        rate: i32,
        alignment_threshold: gst::ClockTime,
        discont_wait: gst::ClockTime,
    ) -> AudioStreamAlign {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(gst_audio_sys::gst_audio_stream_align_new(
                rate,
                alignment_threshold.to_glib(),
                discont_wait.to_glib(),
            ))
        }
    }

    /// Gets the currently configured alignment threshold.
    ///
    /// Feature: `v1_14`
    ///
    ///
    /// # Returns
    ///
    /// The currently configured alignment threshold
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn get_alignment_threshold(&self) -> gst::ClockTime {
        unsafe {
            from_glib(
                gst_audio_sys::gst_audio_stream_align_get_alignment_threshold(mut_override(
                    self.to_glib_none().0,
                )),
            )
        }
    }

    /// Gets the currently configured discont wait.
    ///
    /// Feature: `v1_14`
    ///
    ///
    /// # Returns
    ///
    /// The currently configured discont wait
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn get_discont_wait(&self) -> gst::ClockTime {
        unsafe {
            from_glib(gst_audio_sys::gst_audio_stream_align_get_discont_wait(
                mut_override(self.to_glib_none().0),
            ))
        }
    }

    /// Gets the currently configured sample rate.
    ///
    /// Feature: `v1_14`
    ///
    ///
    /// # Returns
    ///
    /// The currently configured sample rate
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn get_rate(&self) -> i32 {
        unsafe {
            gst_audio_sys::gst_audio_stream_align_get_rate(mut_override(self.to_glib_none().0))
        }
    }

    /// Returns the number of samples that were processed since the last
    /// discontinuity was detected.
    ///
    /// Feature: `v1_14`
    ///
    ///
    /// # Returns
    ///
    /// The number of samples processed since the last discontinuity.
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn get_samples_since_discont(&self) -> u64 {
        unsafe {
            gst_audio_sys::gst_audio_stream_align_get_samples_since_discont(mut_override(
                self.to_glib_none().0,
            ))
        }
    }

    /// Timestamp that was passed when a discontinuity was detected, i.e. the first
    /// timestamp after the discontinuity.
    ///
    /// Feature: `v1_14`
    ///
    ///
    /// # Returns
    ///
    /// The last timestamp at when a discontinuity was detected
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn get_timestamp_at_discont(&self) -> gst::ClockTime {
        unsafe {
            from_glib(
                gst_audio_sys::gst_audio_stream_align_get_timestamp_at_discont(mut_override(
                    self.to_glib_none().0,
                )),
            )
        }
    }

    /// Marks the next buffer as discontinuous and resets timestamp tracking.
    ///
    /// Feature: `v1_14`
    ///
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn mark_discont(&mut self) {
        unsafe {
            gst_audio_sys::gst_audio_stream_align_mark_discont(self.to_glib_none_mut().0);
        }
    }

    /// Sets `alignment_treshold` as new alignment threshold for the following processing.
    ///
    /// Feature: `v1_14`
    ///
    /// ## `alignment_threshold`
    /// a new alignment threshold
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn set_alignment_threshold(&mut self, alignment_threshold: gst::ClockTime) {
        unsafe {
            gst_audio_sys::gst_audio_stream_align_set_alignment_threshold(
                self.to_glib_none_mut().0,
                alignment_threshold.to_glib(),
            );
        }
    }

    /// Sets `alignment_treshold` as new discont wait for the following processing.
    ///
    /// Feature: `v1_14`
    ///
    /// ## `discont_wait`
    /// a new discont wait
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn set_discont_wait(&mut self, discont_wait: gst::ClockTime) {
        unsafe {
            gst_audio_sys::gst_audio_stream_align_set_discont_wait(
                self.to_glib_none_mut().0,
                discont_wait.to_glib(),
            );
        }
    }

    /// Sets `rate` as new sample rate for the following processing. If the sample
    /// rate differs this implicitly marks the next data as discontinuous.
    ///
    /// Feature: `v1_14`
    ///
    /// ## `rate`
    /// a new sample rate
    #[cfg(any(feature = "v1_14", feature = "dox"))]
    pub fn set_rate(&mut self, rate: i32) {
        unsafe {
            gst_audio_sys::gst_audio_stream_align_set_rate(self.to_glib_none_mut().0, rate);
        }
    }
}

unsafe impl Send for AudioStreamAlign {}
unsafe impl Sync for AudioStreamAlign {}