It's more readable and less prone to breakage.

libavcodec/libvo-amrwbenc.c:37:5: warning: missing braces around initializer

Use the correct error codes and format identifier.

DTX, discontinuous transmission, allows emitting frames with
comfort noise when no voice is detected in the input audio.
Signed-off-by: Martin Storsjö <martin@martin.st>

Also rename the incorrectly named enc_bitrate to enc_mode, use the
enc_bitrate variable for storing the last chosen bitrate.

This avoids continuous warning log messages if not using an
exactly matching bitrate, while still allowing changing bitrate
at any point.
Signed-off-by: Martin Storsjö <martin@martin.st>

Dynamically print the supported bitrates from the local table,
instead of using a hardcoded log message.
Signed-off-by: Martin Storsjö <martin@martin.st>

Include VisualOn to clarify the codec name, but remove the
actual library name from the user-friendly description.
Also mention Android, to clarify which VisualOn implementation
this refers to, since they do sell other variants of the same
code, too.
Signed-off-by: Martin Storsjö <martin@martin.st>

Avoid camelCase names for functions and variables.
Signed-off-by: Martin Storsjö <martin@martin.st>

The bitrate modes are equal to the array indices.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Spotted by Reimar.

The wrapper code is based on the libamr wrapper removed in SVN rev 19365.
Signed-off-by: Martin Storsjö <martin@martin.st>