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Fix output of AV_CH_LAYOUT_5POINT0 via alsa by reordering channels.

This commit is contained in:
Carl Eugen Hoyos 2011-04-12 09:17:26 +02:00
parent 71306c5d21
commit ff2614ee4c
1 changed files with 23 additions and 0 deletions
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23
libavdevice/alsa-audio-common.c
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@ -51,6 +51,23 @@ static av_cold snd_pcm_format_t codec_id_to_pcm_format(int codec_id)
}
}
#define REORDER_OUT_50(NAME, TYPE) \
static void alsa_reorder_ ## NAME ## _out_50(const void *in_v, void *out_v, int n) \
{ \
const TYPE *in = in_v; \
TYPE * out = out_v; \
\
while (n-- > 0) { \
out[0] = in[0]; \
out[1] = in[1]; \
out[2] = in[3]; \
out[3] = in[4]; \
out[4] = in[2]; \
in += 5; \
out += 5; \
} \
}
#define REORDER_OUT_51(NAME, TYPE) \
static void alsa_reorder_ ## NAME ## _out_51(const void *in_v, void *out_v, int n) \
{ \
@ -89,8 +106,10 @@ static void alsa_reorder_ ## NAME ## _out_71(const void *in_v, void *out_v, int
} \
}
REORDER_OUT_50(s16, int16_t)
REORDER_OUT_51(s16, int16_t)
REORDER_OUT_71(s16, int16_t)
REORDER_OUT_50(s32, int32_t)
REORDER_OUT_51(s32, int32_t)
REORDER_OUT_71(s32, int32_t)
@ -102,6 +121,8 @@ static av_cold ff_reorder_func find_reorder_func(int codec_id,
{
return
codec_id == CODEC_ID_PCM_S16LE || codec_id == CODEC_ID_PCM_S16BE ?
layout == AV_CH_LAYOUT_5POINT0_BACK || layout == AV_CH_LAYOUT_5POINT0 ?
out ? alsa_reorder_s16_out_50 : NULL :
layout == AV_CH_LAYOUT_QUAD ? REORDER_DUMMY :
layout == AV_CH_LAYOUT_5POINT1_BACK || layout == AV_CH_LAYOUT_5POINT1 ?
out ? alsa_reorder_s16_out_51 : NULL :
@ -109,6 +130,8 @@ static av_cold ff_reorder_func find_reorder_func(int codec_id,
out ? alsa_reorder_s16_out_71 : NULL :
NULL :
codec_id == CODEC_ID_PCM_S32LE || codec_id == CODEC_ID_PCM_S32BE ?
layout == AV_CH_LAYOUT_5POINT0_BACK || layout == AV_CH_LAYOUT_5POINT0 ?
out ? alsa_reorder_s32_out_50 : NULL :
layout == AV_CH_LAYOUT_5POINT1_BACK || layout == AV_CH_LAYOUT_5POINT1 ?
out ? alsa_reorder_s32_out_51 : NULL :
layout == AV_CH_LAYOUT_7POINT1 ?