[FFmpeg-devel] [PATCH][H264] Record extra fields for VA API support

[Michael Niedermayer]

On Fri, Jan 30, 2009 at 02:17:08PM +0100, Gwenole Beauchesne wrote:
> Hi,
>
> On Thu, 29 Jan 2009, Gwenol? Beauchesne wrote:
>
>> The following sequence parameter set fields are now recorded: 
>> bit_depth_luma_minus8, bit_depth_chroma_minus8, 
>> residual_colour_transform_flag. I haven't found much information about 
>> what the latter does exactly but I added it anyway. It seems to be only 
>> useful to 4:4:4 high profiles, which VA API does not really support.
>>
>> I also chose to record {luma,chroma}_weight_l[01]_flag because they were 
>> not reconstructable easily.
>
> Those additions are now split into another patch, in attachment.
>
> Regards,
> Gwenole
[...]

> diff --git a/libavcodec/h264.h b/libavcodec/h264.h
> index 5e879fc..c6753d0 100644
> --- a/libavcodec/h264.h
> +++ b/libavcodec/h264.h
> @@ -176,6 +176,9 @@ typedef struct SPS{
>      int time_offset_length;
>      int cpb_removal_delay_length;      ///< cpb_removal_delay_length_minus1 + 1
>      int dpb_output_delay_length;       ///< dpb_output_delay_length_minus1 + 1
> +    int bit_depth_luma_minus8;         ///< 7.4.2.1.1 bit_depth_luma_minus8
> +    int bit_depth_chroma_minus8;       ///< 7.4.2.1.1 bit_depth_chroma_minus8
> +    int residual_color_transform_flag; ///< residual_colour_transform_flag
>  }SPS;
>  
>  /**
> @@ -493,6 +496,9 @@ typedef struct H264Context{
>      SEI_PicStructType sei_pic_struct;
>  
>      int is_complex;
> +
> +    int luma_weight_flag[2];   ///< 7.4.3.2 luma_weight_lX_flag

unused

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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