Example launch line

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gst-launch-1.0 dvdreadsrc title=1 ! mpegpsdemux ! a52dec ! audioconvert ! audioresample ! autoaudiosink

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gst-launch-1.0 filesrc location=abc.ac3 ! ac3parse ! a52dec ! audioconvert ! audioresample ! autoaudiosink

struct GstA52Dec

struct GstA52Dec {
  GstAudioDecoder element;

  GstPadChainFunction base_chain;

  gboolean       dvdmode;
  gboolean       flag_update;
  int            prev_flags;

  /* stream properties */
  int            bit_rate;
  int            sample_rate;
  int            stream_channels;
  int            request_channels;
  int            using_channels;

  gint           channel_reorder_map[6];

  sample_t       level;
  sample_t       bias;
  gboolean       dynamic_range_compression;
  sample_t      *samples;
  a52_state_t   *state;
};

The “drc” property

  “drc”                      gboolean

Use Dynamic Range Compression.

Flags: Read / Write

Default value: FALSE

The “lfe” property

  “lfe”                      gboolean

LFE.

Flags: Read / Write

Default value: TRUE

The “mode” property

  “mode”                     GstA52DecMode

Decoding Mode (default 3f2r).

Flags: Read / Write

Default value: 3 Front, 2 Rear