On 02/15/2014 11:28 AM, Tim Walker wrote:
> '11b' is reserved in the A/52 specification,
> but newer encoders use it to indicate a Dolby
> Pro Logic II compatible Lt/Rt downmix.
> ---
> libavcodec/ac3.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/ac3.h b/libavcodec/ac3.h
> index fa290d3..f2cb6c3 100644
> --- a/libavcodec/ac3.h
> +++ b/libavcodec/ac3.h
> @@ -109,7 +109,7 @@ typedef enum AC3PreferredStereoDownmixMode {
> AC3_DMIXMOD_NOTINDICATED = 0,
> AC3_DMIXMOD_LTRT,
> AC3_DMIXMOD_LORO,
> - AC3_DMIXMOD_RESERVED
> + AC3_DMIXMOD_DPLII // reserved value in A/52, but used by encoders to
> indicate DPL2
> } AC3PreferredStereoDownmixMode;
>
> typedef struct AC3BitAllocParameters {
ok
-Justin
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