diff options
Diffstat (limited to 'media/ffvpx/libavcodec/aarch64/vc1dsp_init_aarch64.c')
| -rw-r--r-- | media/ffvpx/libavcodec/aarch64/vc1dsp_init_aarch64.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/aarch64/vc1dsp_init_aarch64.c b/media/ffvpx/libavcodec/aarch64/vc1dsp_init_aarch64.c new file mode 100644 index 0000000000..3bc0bd17ee --- /dev/null +++ b/media/ffvpx/libavcodec/aarch64/vc1dsp_init_aarch64.c @@ -0,0 +1,141 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> + +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/aarch64/cpu.h" +#include "libavutil/intreadwrite.h" +#include "libavcodec/vc1dsp.h" + +#include "config.h" + +void ff_vc1_inv_trans_8x8_neon(int16_t *block); +void ff_vc1_inv_trans_8x4_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block); +void ff_vc1_inv_trans_4x8_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block); +void ff_vc1_inv_trans_4x4_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block); + +void ff_vc1_inv_trans_8x8_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block); +void ff_vc1_inv_trans_8x4_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block); +void ff_vc1_inv_trans_4x8_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block); +void ff_vc1_inv_trans_4x4_dc_neon(uint8_t *dest, ptrdiff_t stride, int16_t *block); + +void ff_vc1_v_loop_filter4_neon(uint8_t *src, ptrdiff_t stride, int pq); +void ff_vc1_h_loop_filter4_neon(uint8_t *src, ptrdiff_t stride, int pq); +void ff_vc1_v_loop_filter8_neon(uint8_t *src, ptrdiff_t stride, int pq); +void ff_vc1_h_loop_filter8_neon(uint8_t *src, ptrdiff_t stride, int pq); +void ff_vc1_v_loop_filter16_neon(uint8_t *src, ptrdiff_t stride, int pq); +void ff_vc1_h_loop_filter16_neon(uint8_t *src, ptrdiff_t stride, int pq); + +void ff_put_vc1_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, + int h, int x, int y); +void ff_avg_vc1_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, + int h, int x, int y); +void ff_put_vc1_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, + int h, int x, int y); +void ff_avg_vc1_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, + int h, int x, int y); + +int ff_vc1_unescape_buffer_helper_neon(const uint8_t *src, int size, uint8_t *dst); + +static int vc1_unescape_buffer_neon(const uint8_t *src, int size, uint8_t *dst) +{ + /* Dealing with starting and stopping, and removing escape bytes, are + * comparatively less time-sensitive, so are more clearly expressed using + * a C wrapper around the assembly inner loop. Note that we assume a + * little-endian machine that supports unaligned loads. */ + int dsize = 0; + while (size >= 4) + { + int found = 0; + while (!found && (((uintptr_t) dst) & 7) && size >= 4) + { + found = (AV_RL32(src) &~ 0x03000000) == 0x00030000; + if (!found) + { + *dst++ = *src++; + --size; + ++dsize; + } + } + if (!found) + { + int skip = size - ff_vc1_unescape_buffer_helper_neon(src, size, dst); + dst += skip; + src += skip; + size -= skip; + dsize += skip; + while (!found && size >= 4) + { + found = (AV_RL32(src) &~ 0x03000000) == 0x00030000; + if (!found) + { + *dst++ = *src++; + --size; + ++dsize; + } + } + } + if (found) + { + *dst++ = *src++; + *dst++ = *src++; + ++src; + size -= 3; + dsize += 2; + } + } + while (size > 0) + { + *dst++ = *src++; + --size; + ++dsize; + } + return dsize; +} + +av_cold void ff_vc1dsp_init_aarch64(VC1DSPContext *dsp) +{ + int cpu_flags = av_get_cpu_flags(); + + if (have_neon(cpu_flags)) { + dsp->vc1_inv_trans_8x8 = ff_vc1_inv_trans_8x8_neon; + dsp->vc1_inv_trans_8x4 = ff_vc1_inv_trans_8x4_neon; + dsp->vc1_inv_trans_4x8 = ff_vc1_inv_trans_4x8_neon; + dsp->vc1_inv_trans_4x4 = ff_vc1_inv_trans_4x4_neon; + dsp->vc1_inv_trans_8x8_dc = ff_vc1_inv_trans_8x8_dc_neon; + dsp->vc1_inv_trans_8x4_dc = ff_vc1_inv_trans_8x4_dc_neon; + dsp->vc1_inv_trans_4x8_dc = ff_vc1_inv_trans_4x8_dc_neon; + dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_neon; + + dsp->vc1_v_loop_filter4 = ff_vc1_v_loop_filter4_neon; + dsp->vc1_h_loop_filter4 = ff_vc1_h_loop_filter4_neon; + dsp->vc1_v_loop_filter8 = ff_vc1_v_loop_filter8_neon; + dsp->vc1_h_loop_filter8 = ff_vc1_h_loop_filter8_neon; + dsp->vc1_v_loop_filter16 = ff_vc1_v_loop_filter16_neon; + dsp->vc1_h_loop_filter16 = ff_vc1_h_loop_filter16_neon; + + dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = ff_put_vc1_chroma_mc8_neon; + dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = ff_avg_vc1_chroma_mc8_neon; + dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = ff_put_vc1_chroma_mc4_neon; + dsp->avg_no_rnd_vc1_chroma_pixels_tab[1] = ff_avg_vc1_chroma_mc4_neon; + + dsp->vc1_unescape_buffer = vc1_unescape_buffer_neon; + } +} |