[PATCH] edid-decode: add support for DD+ JOC flags

[PATCH] edid-decode: add support for DD+ JOC flags

[rawoul]

From: Arnaud Vrac <avrac@freebox.fr>

Used to signal Joint Object Coding support, used in particular for
Atmos streams.

Signed-off-by: Arnaud Vrac <avrac@freebox.fr>
---
 edid-decode.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/edid-decode.c b/edid-decode.c
index 940bcb5..197b78d 100644
--- a/edid-decode.c
+++ b/edid-decode.c
@@ -1165,6 +1165,11 @@ static void cta_audio_block(const unsigned char *x, unsigned int length)
 			       (x[i+2] & 0x01) ? " 16" : "");
 		} else if (format <= 8) {
 			printf("      Maximum bit rate: %d kb/s\n", x[i+2] * 8);
+		} else if (format == 10) {
+			if(x[i+2] & 1)
+				printf("      Supports JOC\n");
+			if(x[i+2] & 2)
+				printf("      Supports JOC with ACMOD28\n");
 		} else if (format == 14) {
 			printf("      Profile: %d\n", x[i+2] & 7);
 		} else if (ext_format == 11 && (x[i+2] & 1)) {
-- 
2.20.1

Re: [PATCH] edid-decode: add support for DD+ JOC flags

[Hans Verkuil]

Hi Arnaud,

On 7/12/19 6:01 PM, rawoul@gmail.com wrote:
> From: Arnaud Vrac <avrac@freebox.fr>
> 
> Used to signal Joint Object Coding support, used in particular for
> Atmos streams.

Do you have a link to some reference that documents these audio bits?

Or at minimum the name of the reference document. I'd like to at least
document where this information comes from.

Thanks,

	Hans

> 
> Signed-off-by: Arnaud Vrac <avrac@freebox.fr>
> ---
>  edid-decode.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/edid-decode.c b/edid-decode.c
> index 940bcb5..197b78d 100644
> --- a/edid-decode.c
> +++ b/edid-decode.c
> @@ -1165,6 +1165,11 @@ static void cta_audio_block(const unsigned char *x, unsigned int length)
>  			       (x[i+2] & 0x01) ? " 16" : "");
>  		} else if (format <= 8) {
>  			printf("      Maximum bit rate: %d kb/s\n", x[i+2] * 8);
> +		} else if (format == 10) {
> +			if(x[i+2] & 1)
> +				printf("      Supports JOC\n");
> +			if(x[i+2] & 2)
> +				printf("      Supports JOC with ACMOD28\n");
>  		} else if (format == 14) {
>  			printf("      Profile: %d\n", x[i+2] & 7);
>  		} else if (ext_format == 11 && (x[i+2] & 1)) {
>