New upstream version 21.0.2+dfsg1
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1f1bbb3518
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706 changed files with 49633 additions and 5044 deletions
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@ -21,52 +21,64 @@ int check_buffer(struct audio_repack *repack,
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}
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/*
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Swap channel between LFE and FC, and
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squash data array
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| FL | FR |LFE | FC | BL | BR |emp |emp |
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| | x | |
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| FL | FR | FC |LFE | BL | BR |
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* Swap channel 3 & 4, 5 & 7, 6 & 8 and squash arrays
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* 2.1:
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*
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* | FL | FR | LFE | emp | emp | emp |emp |emp |
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* | | |
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* | FL | FR | LFE |
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* 4.0 (quad):
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*
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* | FL | FR | BR | BL | emp | emp |emp |emp |
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* | | x |
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* | FL | FR | BL | BC |
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*
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* 4.1:
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*
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* | FL | FR |LFE | FC | BC | emp |emp |emp |
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* | | x | |
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* | FL | FR | FC |LFE | BC |
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*
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* 5.1:
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*
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* | FL | FR |LFE | FC |(emp|emp)|(BL|BR)|
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* | | x x
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* | FL | FR | FC |LFE | BL | BR |
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*
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* 7.1:
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*
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* | FL | FR |LFE | FC |( SL | SR )|(BL |BR )|
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* | | x X
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* | FL | FR | FC |LFE |( BL | BR )|(SL |SR )|
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*/
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int repack_8to6ch_swap23(struct audio_repack *repack,
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int repack_squash_swap(struct audio_repack *repack,
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const uint8_t *bsrc, uint32_t frame_count)
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{
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if (check_buffer(repack, frame_count) < 0)
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return -1;
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int squash = repack->extra_dst_size;
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const __m128i *src = (__m128i *)bsrc;
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const __m128i *esrc = src + frame_count;
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uint32_t *dst = (uint32_t *)repack->packet_buffer;
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while (src != esrc) {
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__m128i target = _mm_load_si128(src++);
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__m128i buf = _mm_shufflelo_epi16(target, _MM_SHUFFLE(2, 3, 1, 0));
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_mm_storeu_si128((__m128i *)dst, buf);
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dst += 3;
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}
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return 0;
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}
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/*
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Swap channel between LFE and FC
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| FL | FR |LFE | FC | BL | BR |SBL |SBR |
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| | x | | | |
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| FL | FR | FC |LFE | BL | BR |SBL |SBR |
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*/
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int repack_8ch_swap23(struct audio_repack *repack,
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const uint8_t *bsrc, uint32_t frame_count)
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{
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if (check_buffer(repack, frame_count) < 0)
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return -1;
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const __m128i *src = (__m128i *)bsrc;
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const __m128i *esrc = src + frame_count;
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__m128i *dst = (__m128i *)repack->packet_buffer;
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while (src != esrc) {
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__m128i target = _mm_load_si128(src++);
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__m128i buf = _mm_shufflelo_epi16(target, _MM_SHUFFLE(2, 3, 1, 0));
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_mm_store_si128(dst++, buf);
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uint16_t *dst = (uint16_t *)repack->packet_buffer;
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/* 2.1 audio does not require re-ordering but still needs squashing
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* in order to avoid sampling issues.
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*/
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if (squash == 5) {
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while (src != esrc) {
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__m128i target = _mm_load_si128(src++);
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_mm_storeu_si128((__m128i *)dst, target);
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dst += 8 - squash;
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}
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} else {
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while (src != esrc) {
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__m128i target = _mm_load_si128(src++);
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__m128i buf = _mm_shufflelo_epi16(target, _MM_SHUFFLE(2, 3, 1, 0));
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__m128i buf2 = _mm_shufflehi_epi16(buf, _MM_SHUFFLE(1, 0, 3, 2));
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_mm_storeu_si128((__m128i *)dst, buf2);
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dst += 8 - squash;
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}
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}
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return 0;
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@ -81,18 +93,38 @@ int audio_repack_init(struct audio_repack *repack,
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return -1;
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switch (repack_mode) {
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case repack_mode_8to6ch_swap23:
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repack->base_src_size = 8 * (16 / 8);
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repack->base_dst_size = 6 * (16 / 8);
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repack->extra_dst_size = 2;
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repack->repack_func = &repack_8to6ch_swap23;
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case repack_mode_8to3ch_swap23:
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repack->base_src_size = 8 * (16 / 8);
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repack->base_dst_size = 3 * (16 / 8);
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repack->extra_dst_size = 5;
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repack->repack_func = &repack_squash_swap;
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break;
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case repack_mode_8to4ch_swap23:
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repack->base_src_size = 8 * (16 / 8);
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repack->base_dst_size = 4 * (16 / 8);
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repack->extra_dst_size = 4;
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repack->repack_func = &repack_squash_swap;
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break;
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case repack_mode_8ch_swap23:
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repack->base_src_size = 8 * (16 / 8);
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repack->base_dst_size = 8 * (16 / 8);
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case repack_mode_8to5ch_swap23:
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repack->base_src_size = 8 * (16 / 8);
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repack->base_dst_size = 5 * (16 / 8);
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repack->extra_dst_size = 3;
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repack->repack_func = &repack_squash_swap;
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break;
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case repack_mode_8to6ch_swap23:
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repack->base_src_size = 8 * (16 / 8);
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repack->base_dst_size = 6 * (16 / 8);
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repack->extra_dst_size = 2;
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repack->repack_func = &repack_squash_swap;
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break;
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case repack_mode_8ch_swap23_swap46_swap57:
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repack->base_src_size = 8 * (16 / 8);
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repack->base_dst_size = 8 * (16 / 8);
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repack->extra_dst_size = 0;
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repack->repack_func = &repack_8ch_swap23;
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repack->repack_func = &repack_squash_swap;
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break;
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default: return -1;
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