On Fri, Feb 22, 2013 at 08:03:26AM +0100, Thierry Reding wrote:
<snip>
> +enum hdmi_audio_coding_type {
> + HDMI_AUDIO_CODING_TYPE_STREAM,
> + HDMI_AUDIO_CODING_TYPE_PCM,
> + HDMI_AUDIO_CODING_TYPE_AC3,
> + HDMI_AUDIO_CODING_TYPE_MPEG1,
> + HDMI_AUDIO_CODING_TYPE_MP3,
> + HDMI_AUDIO_CODING_TYPE_MPEG2,
> + HDMI_AUDIO_CODING_TYPE_AAC_LC,
> + HDMI_AUDIO_CODING_TYPE_DTS,
> + HDMI_AUDIO_CODING_TYPE_ATRAC,
> + HDMI_AUDIO_CODING_TYPE_DSD,
> + HDMI_AUDIO_CODING_TYPE_EAC3,
> + HDMI_AUDIO_CODING_TYPE_DTS_HD,
> + HDMI_AUDIO_CODING_TYPE_MLP,
> + HDMI_AUDIO_CODING_TYPE_DST,
> + HDMI_AUDIO_CODING_TYPE_WMA_PRO,
+ HDMI_AUDIO_CODING_TYPE_EXT or something like it?
> +};
> +
> +enum hdmi_audio_sample_size {
> + HDMI_AUDIO_SAMPLE_SIZE_STREAM,
> + HDMI_AUDIO_SAMPLE_SIZE_16,
> + HDMI_AUDIO_SAMPLE_SIZE_20,
> + HDMI_AUDIO_SAMPLE_SIZE_24,
> +};
> +
> +enum hdmi_audio_sample_frequency {
> + HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
> + HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
> + HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
> + HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
> + HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
> + HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
> + HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
> + HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
> +};
> +
> +enum hdmi_audio_coding_type_ext {
> + HDMI_AUDIO_CODING_TYPE_EXT_STREAM,
The spec is a bit confusing w.r.t. this value, but I think this is
correct. Any other value is illegal when CT!=15, and when CT==15,
CXT=0 means that look at CT (infinite loop anyone?), or stream header.
Since the infinite loop option doesn't make sense, looking at the
stream header is the only option. Although I think it would be
generally safer to avoid that specific combination. I'm sure some
"clever" guy would actually implement the infinite loop instead.
> + HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
> + HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
> + HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
> +};
> +
--
Ville Syrjälä
Intel OTC
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