[vlc-devel] [PATCH] core: add "hw-dev" bool option

[Marvin Scholz]

Nitpick: [vlc-devel] [PATCH] core: add "hw-dev" bool option
I believe this is supposed to say „hw-dec“ and not „hw-dev“
as the actual option name in the patch is hw-dec.

On 21 Jan 2020, at 11:28, Thomas Guillem wrote:

> Enabled by default, this option be used to disable hardware decoders 
> (with
> "--no-hw-dec"). This option can be set on input/media items and will 
> be
> forwarded to the decoder via the input_thread_t.
>
> To disable hardware decoders, the core decoder have to disable decoder 
> devices.
> ---
>  src/input/decoder.c | 4 ++++
>  src/libvlc-module.c | 6 ++++++
>  2 files changed, 10 insertions(+)
>
> diff --git a/src/input/decoder.c b/src/input/decoder.c
> index 17a36df3c9b..dfa1ceb4097 100644
> --- a/src/input/decoder.c
> +++ b/src/input/decoder.c
> @@ -614,6 +614,10 @@ static vlc_decoder_device * 
> ModuleThread_GetDecoderDevice( decoder_t *p_dec )
>  {
>      struct decoder_owner *p_owner = dec_get_owner( p_dec );
>
> +    /* Requesting a decoder device will automatically enable hw 
> decoding */
> +    if( !var_InheritBool( p_dec, "hw-dec" ) )
> +        return NULL;
> +
>      enum vlc_vout_order vout_order;
>      vlc_decoder_device *dec_device = NULL;
>      int created_vout = CreateVoutIfNeeded(p_owner, NULL, &vout_order, 
> &dec_device);
> diff --git a/src/libvlc-module.c b/src/libvlc-module.c
> index 1e733662cf6..c6dd9a29b17 100644
> --- a/src/libvlc-module.c
> +++ b/src/libvlc-module.c
> @@ -968,6 +968,11 @@ static const char *const ppsz_prefres[] = {
>      "before trying the other ones. Only advanced users should " \
>      "alter this option as it can break playback of all your streams." 
> )
>
> +#define HW_DEC_TEXT N_("Enable hardware decoders")
> +#define HW_DEC_LONGTEXT N_( \
> +    "VLC will fallback automatically to software decoders in case of 
> " \
> +    "hardware decoder failure." )
> +
>  #define ENCODER_TEXT N_("Preferred encoders list")
>  #define ENCODER_LONGTEXT N_( \
>      "This allows you to select a list of encoders that VLC will use 
> in " \
> @@ -2044,6 +2049,7 @@ vlc_module_begin ()
>      add_category_hint(N_("Decoders"), CODEC_CAT_LONGTEXT)
>      add_string( "codec", NULL, CODEC_TEXT,
>                  CODEC_LONGTEXT, true )
> +    add_bool( "hw-dec", true, HW_DEC_TEXT, HW_DEC_LONGTEXT, true )
>      add_string( "encoder",  NULL, ENCODER_TEXT,
>                  ENCODER_LONGTEXT, true )
>      add_module("dec-dev", "decoder device", "any", DEC_DEV_TEXT, 
> DEC_DEV_LONGTEXT)
> -- 
> 2.20.1
>
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