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New upstream version 23.2.1+dfsg1

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This commit is contained in:
Simon Chopin 2019-07-27 14:47:10 +02:00
parent cdc9a9fc87
commit b14f9eae6d
1017 changed files with 37232 additions and 11111 deletions
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108
plugins/decklink/audio-repack.c
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@ -21,38 +21,16 @@ int check_buffer(struct audio_repack *repack,
}
/*
* Swap channel 3 & 4, 5 & 7, 6 & 8 and squash arrays
* Squash arrays.
* For instance:
* 2.1:
*
* | FL | FR | LFE | emp | emp | emp |emp |emp |
* | | |
* | FL | FR | LFE |
* 4.0 (quad):
*
* | FL | FR | BR | BL | emp | emp |emp |emp |
* | | x |
* | FL | FR | BL | BC |
*
* 4.1:
*
* | FL | FR |LFE | FC | BC | emp |emp |emp |
* | | x | |
* | FL | FR | FC |LFE | BC |
*
* 5.1:
*
* | FL | FR |LFE | FC |(emp|emp)|(BL|BR)|
* | | x x
* | FL | FR | FC |LFE | BL | BR |
*
* 7.1:
*
* | FL | FR |LFE | FC |( SL | SR )|(BL |BR )|
* | | x X
* | FL | FR | FC |LFE |( BL | BR )|(SL |SR )|
*/
*/
int repack_squash_swap(struct audio_repack *repack,
int repack_squash(struct audio_repack *repack,
const uint8_t *bsrc, uint32_t frame_count)
{
if (check_buffer(repack, frame_count) < 0)
@ -62,28 +40,39 @@ int repack_squash_swap(struct audio_repack *repack,
const __m128i *src = (__m128i *)bsrc;
const __m128i *esrc = src + frame_count;
uint16_t *dst = (uint16_t *)repack->packet_buffer;
/* 2.1 audio does not require re-ordering but still needs squashing
* in order to avoid sampling issues.
/* Audio needs squashing in order to avoid resampling issues.
* The condition checks for 7.1 audio for which no squash is needed.
*/
if (squash == 5) {
if (squash > 0) {
while (src != esrc) {
__m128i target = _mm_load_si128(src++);
_mm_storeu_si128((__m128i *)dst, target);
dst += 8 - squash;
}
} else {
while (src != esrc) {
__m128i target = _mm_load_si128(src++);
__m128i buf = _mm_shufflelo_epi16(target, _MM_SHUFFLE(2, 3, 1, 0));
__m128i buf2 = _mm_shufflehi_epi16(buf, _MM_SHUFFLE(1, 0, 3, 2));
_mm_storeu_si128((__m128i *)dst, buf2);
dst += 8 - squash;
}
}
return 0;
}
int repack_squash_swap(struct audio_repack *repack,
const uint8_t *bsrc, uint32_t frame_count)
{
if (check_buffer(repack, frame_count) < 0)
return -1;
int squash = repack->extra_dst_size;
const __m128i *src = (__m128i *)bsrc;
const __m128i *esrc = src + frame_count;
uint16_t *dst = (uint16_t *)repack->packet_buffer;
while (src != esrc) {
__m128i target = _mm_load_si128(src++);
__m128i buf = _mm_shufflelo_epi16(target, _MM_SHUFFLE(2, 3, 1, 0));
_mm_storeu_si128((__m128i *)dst, buf);
dst += 8 - squash;
}
return 0;
}
int audio_repack_init(struct audio_repack *repack,
audio_repack_mode_t repack_mode, uint8_t sample_bit)
{
@ -91,44 +80,15 @@ int audio_repack_init(struct audio_repack *repack,
if (sample_bit != 16)
return -1;
switch (repack_mode) {
case repack_mode_8to3ch_swap23:
repack->base_src_size = 8 * (16 / 8);
repack->base_dst_size = 3 * (16 / 8);
repack->extra_dst_size = 5;
int _audio_repack_ch[8] = { 3, 4, 5, 6, 5, 6, 8, 8 };
repack->base_src_size = 8 * (16 / 8);
repack->base_dst_size = _audio_repack_ch[repack_mode] * (16 / 8);
repack->extra_dst_size = 8 - _audio_repack_ch[repack_mode];
repack->repack_func = &repack_squash;
if (repack_mode == repack_mode_8to5ch_swap ||
repack_mode == repack_mode_8to6ch_swap ||
repack_mode == repack_mode_8ch_swap)
repack->repack_func = &repack_squash_swap;
break;
case repack_mode_8to4ch_swap23:
repack->base_src_size = 8 * (16 / 8);
repack->base_dst_size = 4 * (16 / 8);
repack->extra_dst_size = 4;
repack->repack_func = &repack_squash_swap;
break;
case repack_mode_8to5ch_swap23:
repack->base_src_size = 8 * (16 / 8);
repack->base_dst_size = 5 * (16 / 8);
repack->extra_dst_size = 3;
repack->repack_func = &repack_squash_swap;
break;
case repack_mode_8to6ch_swap23:
repack->base_src_size = 8 * (16 / 8);
repack->base_dst_size = 6 * (16 / 8);
repack->extra_dst_size = 2;
repack->repack_func = &repack_squash_swap;
break;
case repack_mode_8ch_swap23_swap46_swap57:
repack->base_src_size = 8 * (16 / 8);
repack->base_dst_size = 8 * (16 / 8);
repack->extra_dst_size = 0;
repack->repack_func = &repack_squash_swap;
break;
default: return -1;
}
return 0;
}