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spa: add interleave DSD param

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And make alsa report the interleaving.
This commit is contained in:
Wim Taymans 2021-09-17 18:04:21 +02:00
parent 25d39a5ea1
commit af6e887077
6 changed files with 33 additions and 8 deletions
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16
spa/plugins/alsa/alsa-pcm.c
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@ -720,6 +720,7 @@ static int enum_dsd_formats(struct state *state, uint32_t index, uint32_t *next,
snd_pcm_hw_params_t *params;
snd_pcm_format_mask_t *fmask;
struct spa_pod_frame f[2];
int32_t interleave;
if ((index & 0xffff) > 0)
return 0;
@ -731,7 +732,17 @@ static int enum_dsd_formats(struct state *state, uint32_t index, uint32_t *next,
snd_pcm_format_mask_alloca(&fmask);
snd_pcm_hw_params_get_format_mask(params, fmask);
if (!snd_pcm_format_mask_test(fmask, SND_PCM_FORMAT_DSD_U32_BE))
if (snd_pcm_format_mask_test(fmask, SND_PCM_FORMAT_DSD_U32_BE))
interleave = 4;
else if (snd_pcm_format_mask_test(fmask, SND_PCM_FORMAT_DSD_U32_LE))
interleave = -4;
else if (snd_pcm_format_mask_test(fmask, SND_PCM_FORMAT_DSD_U16_BE))
interleave = 2;
else if (snd_pcm_format_mask_test(fmask, SND_PCM_FORMAT_DSD_U16_LE))
interleave = -2;
else if (snd_pcm_format_mask_test(fmask, SND_PCM_FORMAT_DSD_U8))
interleave = 1;
else
return 0;
CHECK(snd_pcm_hw_params_set_rate_resample(hndl, params, 0), "set_rate_resample");
@ -745,6 +756,9 @@ static int enum_dsd_formats(struct state *state, uint32_t index, uint32_t *next,
spa_pod_builder_prop(b, SPA_FORMAT_AUDIO_bitorder, 0);
spa_pod_builder_id(b, SPA_PARAM_BITORDER_msb);
spa_pod_builder_prop(b, SPA_FORMAT_AUDIO_interleave, 0);
spa_pod_builder_int(b, interleave);
if ((res = add_rate(state, index & 0xffff, next, params, b)) != 1)
return res;