You've already forked FFmpeg
mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-08-04 22:03:09 +02:00
ffv1enc_vulkan: merge all encoder variants into one file
Makes it easier to work with, despite the heavy ifdeffery.
This commit is contained in:
Lynne
@ -114,13 +114,9 @@ extern const char *ff_source_rangecoder_comp;
|
||||
extern const char *ff_source_ffv1_vlc_comp;
|
||||
extern const char *ff_source_ffv1_common_comp;
|
||||
extern const char *ff_source_ffv1_reset_comp;
|
||||
extern const char *ff_source_ffv1_enc_common_comp;
|
||||
extern const char *ff_source_ffv1_enc_rct_comp;
|
||||
extern const char *ff_source_ffv1_enc_vlc_comp;
|
||||
extern const char *ff_source_ffv1_enc_ac_comp;
|
||||
extern const char *ff_source_ffv1_enc_setup_comp;
|
||||
extern const char *ff_source_ffv1_enc_comp;
|
||||
extern const char *ff_source_ffv1_enc_rgb_comp;
|
||||
|
||||
typedef struct FFv1VkParameters {
|
||||
VkDeviceAddress slice_state;
|
||||
@ -961,6 +957,9 @@ static void define_shared_code(AVCodecContext *avctx, FFVulkanShader *shd)
|
||||
av_bprintf(&shd->src, "#define GOLOMB\n" );
|
||||
}
|
||||
|
||||
if (fv->is_rgb)
|
||||
av_bprintf(&shd->src, "#define RGB\n");
|
||||
|
||||
GLSLF(0, #define TYPE int%i_t ,smp_bits);
|
||||
GLSLF(0, #define VTYPE2 i%ivec2 ,smp_bits);
|
||||
GLSLF(0, #define VTYPE3 i%ivec3 ,smp_bits);
|
||||
@ -1260,7 +1259,6 @@ static int init_encode_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
|
||||
{
|
||||
int err;
|
||||
VulkanEncodeFFv1Context *fv = avctx->priv_data;
|
||||
FFV1Context *f = &fv->ctx;
|
||||
FFVulkanShader *shd = &fv->enc;
|
||||
FFVulkanDescriptorSetBinding *desc_set;
|
||||
|
||||
@ -1344,18 +1342,7 @@ static int init_encode_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
|
||||
};
|
||||
RET(ff_vk_shader_add_descriptor_set(&fv->s, shd, desc_set, 3, 0, 0));
|
||||
|
||||
/* Assemble the shader body */
|
||||
GLSLD(ff_source_ffv1_enc_common_comp);
|
||||
|
||||
if (f->ac == AC_GOLOMB_RICE)
|
||||
GLSLD(ff_source_ffv1_enc_vlc_comp);
|
||||
else
|
||||
GLSLD(ff_source_ffv1_enc_ac_comp);
|
||||
|
||||
if (fv->is_rgb)
|
||||
GLSLD(ff_source_ffv1_enc_rgb_comp);
|
||||
else
|
||||
GLSLD(ff_source_ffv1_enc_comp);
|
||||
GLSLD(ff_source_ffv1_enc_comp);
|
||||
|
||||
RET(spv->compile_shader(&fv->s, spv, shd, &spv_data, &spv_len, "main",
|
||||
&spv_opaque));
|
||||
|
||||
@ -6,10 +6,8 @@ clean::
|
||||
OBJS-$(CONFIG_FFV1_VULKAN_ENCODER) += vulkan/common.o \
|
||||
vulkan/rangecoder.o vulkan/ffv1_vlc.o \
|
||||
vulkan/ffv1_common.o vulkan/ffv1_reset.o \
|
||||
vulkan/ffv1_enc_common.o \
|
||||
vulkan/ffv1_enc_rct.o vulkan/ffv1_enc_setup.o \
|
||||
vulkan/ffv1_enc_vlc.o vulkan/ffv1_enc_ac.o \
|
||||
vulkan/ffv1_enc.o vulkan/ffv1_enc_rgb.o
|
||||
vulkan/ffv1_enc.o
|
||||
|
||||
OBJS-$(CONFIG_FFV1_VULKAN_HWACCEL) += vulkan/common.o \
|
||||
vulkan/rangecoder.o vulkan/ffv1_vlc.o \
|
||||
|
||||
@ -20,12 +20,186 @@
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
ivec2 get_diff(ivec2 pos, ivec2 off, int p, int comp, int sw, int bits)
|
||||
{
|
||||
const ivec2 yoff_border1 = off.x == 0 ? ivec2(1, -1) : ivec2(0, 0);
|
||||
const ivec2 yoff_border2 = off.x == 1 ? ivec2(1, -1) : ivec2(0, 0);
|
||||
|
||||
TYPE top2 = TYPE(0);
|
||||
if (off.y > 1)
|
||||
top2 = TYPE(imageLoad(src[p], pos + ivec2(0, -2))[comp]);
|
||||
|
||||
VTYPE3 top = VTYPE3(TYPE(0),
|
||||
TYPE(0),
|
||||
TYPE(0));
|
||||
if (off.y > 0 && off != ivec2(0, 1))
|
||||
top[0] = TYPE(imageLoad(src[p], pos + ivec2(-1, -1) + yoff_border1)[comp]);
|
||||
if (off.y > 0) {
|
||||
top[1] = TYPE(imageLoad(src[p], pos + ivec2(0, -1))[comp]);
|
||||
top[2] = TYPE(imageLoad(src[p], pos + ivec2(min(1, sw - off.x - 1), -1))[comp]);
|
||||
}
|
||||
|
||||
VTYPE3 cur = VTYPE3(TYPE(0),
|
||||
TYPE(0),
|
||||
imageLoad(src[p], pos)[comp]);
|
||||
if (off.x > 0 && off != ivec2(1, 0))
|
||||
cur[0] = TYPE(imageLoad(src[p], pos + ivec2(-2, 0) + yoff_border2)[comp]);
|
||||
if (off != ivec2(0, 0))
|
||||
cur[1] = TYPE(imageLoad(src[p], pos + ivec2(-1, 0) + yoff_border1)[comp]);
|
||||
|
||||
/* context, diff */
|
||||
ivec2 d = ivec2(get_context(VTYPE2(cur), top, top2, context_model),
|
||||
cur[2] - predict(cur[1], VTYPE2(top)));
|
||||
|
||||
if (d[0] < 0)
|
||||
d = -d;
|
||||
|
||||
d[1] = fold(d[1], bits);
|
||||
|
||||
return d;
|
||||
}
|
||||
|
||||
#ifndef GOLOMB
|
||||
void put_rac(inout RangeCoder c, uint64_t state, bool bit)
|
||||
{
|
||||
put_rac_norenorm(c, state, bit);
|
||||
if (c.range < 0x100)
|
||||
renorm_encoder(c);
|
||||
}
|
||||
|
||||
/* Note - only handles signed values */
|
||||
void put_symbol(inout RangeCoder c, uint64_t state, int v)
|
||||
{
|
||||
bool is_nil = (v == 0);
|
||||
put_rac(c, state, is_nil);
|
||||
if (is_nil)
|
||||
return;
|
||||
|
||||
const int a = abs(v);
|
||||
const int e = findMSB(a);
|
||||
|
||||
state += 1;
|
||||
for (int i = 0; i < e; i++)
|
||||
put_rac(c, state + min(i, 9), true);
|
||||
put_rac(c, state + min(e, 9), false);
|
||||
|
||||
state += 21;
|
||||
for (int i = e - 1; i >= 0; i--)
|
||||
put_rac(c, state + min(i, 9), bool(bitfieldExtract(a, i, 1)));
|
||||
|
||||
put_rac(c, state - 11 + min(e, 10), v < 0);
|
||||
}
|
||||
|
||||
void encode_line_pcm(inout SliceContext sc, int y, int p, int comp,
|
||||
int bits)
|
||||
{
|
||||
ivec2 sp = sc.slice_pos;
|
||||
int w = sc.slice_dim.x;
|
||||
if (p > 0 && p < 3) {
|
||||
w >>= chroma_shift.x;
|
||||
sp >>= chroma_shift;
|
||||
}
|
||||
|
||||
for (int x = 0; x < w; x++) {
|
||||
uint v = imageLoad(src[p], (sp + ivec2(x, y)))[comp];
|
||||
for (int i = (bits - 1); i >= 0; i--)
|
||||
put_rac_equi(sc.c, bool(bitfieldExtract(v, i, 1)));
|
||||
}
|
||||
}
|
||||
|
||||
void encode_line(inout SliceContext sc, uint64_t state,
|
||||
int y, int p, int comp, int bits, const int run_index)
|
||||
{
|
||||
ivec2 sp = sc.slice_pos;
|
||||
|
||||
int w = sc.slice_dim.x;
|
||||
if (p > 0 && p < 3) {
|
||||
w >>= chroma_shift.x;
|
||||
sp >>= chroma_shift;
|
||||
}
|
||||
|
||||
for (int x = 0; x < w; x++) {
|
||||
const ivec2 d = get_diff(sp + ivec2(x, y), ivec2(x, y), p, comp, w, bits);
|
||||
put_symbol(sc.c, state + CONTEXT_SIZE*d[0], d[1]);
|
||||
}
|
||||
}
|
||||
|
||||
#else /* GOLOMB */
|
||||
|
||||
void encode_line(inout SliceContext sc, uint64_t state,
|
||||
int y, int p, int comp, int bits, inout int run_index)
|
||||
{
|
||||
ivec2 sp = sc.slice_pos;
|
||||
|
||||
int w = sc.slice_dim.x;
|
||||
if (p > 0 && p < 3) {
|
||||
w >>= chroma_shift.x;
|
||||
sp >>= chroma_shift;
|
||||
}
|
||||
|
||||
int run_count = 0;
|
||||
bool run_mode = false;
|
||||
|
||||
for (int x = 0; x < w; x++) {
|
||||
ivec2 d = get_diff(sp + ivec2(x, y), ivec2(x, y), p, comp, w, bits);
|
||||
|
||||
if (d[0] == 0)
|
||||
run_mode = true;
|
||||
|
||||
if (run_mode) {
|
||||
if (d[1] != 0) {
|
||||
/* A very unlikely loop */
|
||||
while (run_count >= 1 << log2_run[run_index]) {
|
||||
run_count -= 1 << log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(sc.pb, 1, 1);
|
||||
}
|
||||
|
||||
put_bits(sc.pb, 1 + log2_run[run_index], run_count);
|
||||
if (run_index != 0)
|
||||
run_index--;
|
||||
run_count = 0;
|
||||
run_mode = false;
|
||||
if (d[1] > 0)
|
||||
d[1]--;
|
||||
} else {
|
||||
run_count++;
|
||||
}
|
||||
}
|
||||
|
||||
if (!run_mode) {
|
||||
VlcState sb = VlcState(state + VLC_STATE_SIZE*d[0]);
|
||||
Symbol sym = get_vlc_symbol(sb, d[1], bits);
|
||||
put_bits(sc.pb, sym.bits, sym.val);
|
||||
}
|
||||
}
|
||||
|
||||
if (run_mode) {
|
||||
while (run_count >= (1 << log2_run[run_index])) {
|
||||
run_count -= 1 << log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(sc.pb, 1, 1);
|
||||
}
|
||||
|
||||
if (run_count > 0)
|
||||
put_bits(sc.pb, 1, 1);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
void encode_slice(inout SliceContext sc, const uint slice_idx)
|
||||
{
|
||||
#ifndef RGB
|
||||
int bits = bits_per_raw_sample;
|
||||
#else
|
||||
int bits = 9;
|
||||
if (bits != 8 || sc.slice_coding_mode != 0)
|
||||
bits = bits_per_raw_sample + int(sc.slice_coding_mode != 1);
|
||||
#endif
|
||||
|
||||
#ifndef GOLOMB
|
||||
if (sc.slice_coding_mode == 1) {
|
||||
#ifndef RGB
|
||||
for (int c = 0; c < components; c++) {
|
||||
|
||||
int h = sc.slice_dim.y;
|
||||
@ -39,12 +213,22 @@ void encode_slice(inout SliceContext sc, const uint slice_idx)
|
||||
for (int y = 0; y < h; y++)
|
||||
encode_line_pcm(sc, y, p, comp, bits);
|
||||
}
|
||||
#else
|
||||
for (int y = 0; y < sc.slice_dim.y; y++) {
|
||||
encode_line_pcm(sc, y, 0, 1, bits);
|
||||
encode_line_pcm(sc, y, 0, 2, bits);
|
||||
encode_line_pcm(sc, y, 0, 0, bits);
|
||||
if (transparency == 1)
|
||||
encode_line_pcm(sc, y, 0, 3, bits);
|
||||
}
|
||||
#endif
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
uint64_t slice_state_off = uint64_t(slice_state) +
|
||||
slice_idx*plane_state_size*codec_planes;
|
||||
|
||||
#ifndef RGB
|
||||
for (int c = 0; c < components; c++) {
|
||||
int run_index = 0;
|
||||
|
||||
@ -62,13 +246,67 @@ void encode_slice(inout SliceContext sc, const uint slice_idx)
|
||||
if (c != 1)
|
||||
slice_state_off += plane_state_size;
|
||||
}
|
||||
#else
|
||||
int run_index = 0;
|
||||
for (int y = 0; y < sc.slice_dim.y; y++) {
|
||||
encode_line(sc, slice_state_off + plane_state_size*0,
|
||||
y, 0, 1, bits, run_index);
|
||||
encode_line(sc, slice_state_off + plane_state_size*1,
|
||||
y, 0, 2, bits, run_index);
|
||||
encode_line(sc, slice_state_off + plane_state_size*1,
|
||||
y, 0, 0, bits, run_index);
|
||||
if (transparency == 1)
|
||||
encode_line(sc, slice_state_off + plane_state_size*2,
|
||||
y, 0, 3, bits, run_index);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
void finalize_slice(inout SliceContext sc, const uint slice_idx)
|
||||
{
|
||||
#ifdef GOLOMB
|
||||
uint32_t enc_len = sc.hdr_len + flush_put_bits(sc.pb);
|
||||
#else
|
||||
uint32_t enc_len = rac_terminate(sc.c);
|
||||
#endif
|
||||
|
||||
u8buf bs = u8buf(sc.c.bytestream_start);
|
||||
|
||||
/* Append slice length */
|
||||
u8vec4 enc_len_p = unpack8(enc_len);
|
||||
bs[enc_len + 0].v = enc_len_p.z;
|
||||
bs[enc_len + 1].v = enc_len_p.y;
|
||||
bs[enc_len + 2].v = enc_len_p.x;
|
||||
enc_len += 3;
|
||||
|
||||
/* Calculate and write CRC */
|
||||
if (ec != 0) {
|
||||
bs[enc_len].v = uint8_t(0);
|
||||
enc_len++;
|
||||
|
||||
uint32_t crc = crcref;
|
||||
for (int i = 0; i < enc_len; i++)
|
||||
crc = crc_ieee[(crc & 0xFF) ^ uint32_t(bs[i].v)] ^ (crc >> 8);
|
||||
|
||||
if (crcref != 0x00000000)
|
||||
crc ^= 0x8CD88196;
|
||||
|
||||
u8vec4 crc_p = unpack8(crc);
|
||||
bs[enc_len + 0].v = crc_p.x;
|
||||
bs[enc_len + 1].v = crc_p.y;
|
||||
bs[enc_len + 2].v = crc_p.z;
|
||||
bs[enc_len + 3].v = crc_p.w;
|
||||
enc_len += 4;
|
||||
}
|
||||
|
||||
finalize_slice(sc, slice_idx);
|
||||
slice_results[slice_idx*2 + 0] = enc_len;
|
||||
slice_results[slice_idx*2 + 1] = uint64_t(bs) - uint64_t(out_data);
|
||||
}
|
||||
|
||||
void main(void)
|
||||
{
|
||||
const uint slice_idx = gl_WorkGroupID.y*gl_NumWorkGroups.x + gl_WorkGroupID.x;
|
||||
encode_slice(slice_ctx[slice_idx], slice_idx);
|
||||
finalize_slice(slice_ctx[slice_idx], slice_idx);
|
||||
}
|
||||
|
||||
@ -1,83 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2024 Lynne <dev@lynne.ee>
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
void put_rac(inout RangeCoder c, uint64_t state, bool bit)
|
||||
{
|
||||
put_rac_norenorm(c, state, bit);
|
||||
if (c.range < 0x100)
|
||||
renorm_encoder(c);
|
||||
}
|
||||
|
||||
/* Note - only handles signed values */
|
||||
void put_symbol(inout RangeCoder c, uint64_t state, int v)
|
||||
{
|
||||
bool is_nil = (v == 0);
|
||||
put_rac(c, state, is_nil);
|
||||
if (is_nil)
|
||||
return;
|
||||
|
||||
const int a = abs(v);
|
||||
const int e = findMSB(a);
|
||||
|
||||
state += 1;
|
||||
for (int i = 0; i < e; i++)
|
||||
put_rac(c, state + min(i, 9), true);
|
||||
put_rac(c, state + min(e, 9), false);
|
||||
|
||||
state += 21;
|
||||
for (int i = e - 1; i >= 0; i--)
|
||||
put_rac(c, state + min(i, 9), bool(bitfieldExtract(a, i, 1)));
|
||||
|
||||
put_rac(c, state - 11 + min(e, 10), v < 0);
|
||||
}
|
||||
|
||||
void encode_line_pcm(inout SliceContext sc, int y, int p, int comp,
|
||||
int bits)
|
||||
{
|
||||
ivec2 sp = sc.slice_pos;
|
||||
int w = sc.slice_dim.x;
|
||||
if (p > 0 && p < 3) {
|
||||
w >>= chroma_shift.x;
|
||||
sp >>= chroma_shift;
|
||||
}
|
||||
|
||||
for (int x = 0; x < w; x++) {
|
||||
uint v = imageLoad(src[p], (sp + ivec2(x, y)))[comp];
|
||||
for (int i = (bits - 1); i >= 0; i--)
|
||||
put_rac_equi(sc.c, bool(bitfieldExtract(v, i, 1)));
|
||||
}
|
||||
}
|
||||
|
||||
void encode_line(inout SliceContext sc, uint64_t state,
|
||||
int y, int p, int comp, int bits, const int run_index)
|
||||
{
|
||||
ivec2 sp = sc.slice_pos;
|
||||
|
||||
int w = sc.slice_dim.x;
|
||||
if (p > 0 && p < 3) {
|
||||
w >>= chroma_shift.x;
|
||||
sp >>= chroma_shift;
|
||||
}
|
||||
|
||||
for (int x = 0; x < w; x++) {
|
||||
const ivec2 d = get_diff(sp + ivec2(x, y), ivec2(x, y), p, comp, w, bits);
|
||||
put_symbol(sc.c, state + CONTEXT_SIZE*d[0], d[1]);
|
||||
}
|
||||
}
|
||||
@ -1,101 +0,0 @@
|
||||
/*
|
||||
* FFv1 codec
|
||||
*
|
||||
* Copyright (c) 2024 Lynne <dev@lynne.ee>
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
ivec2 get_diff(ivec2 pos, ivec2 off, int p, int comp, int sw, int bits)
|
||||
{
|
||||
const ivec2 yoff_border1 = off.x == 0 ? ivec2(1, -1) : ivec2(0, 0);
|
||||
const ivec2 yoff_border2 = off.x == 1 ? ivec2(1, -1) : ivec2(0, 0);
|
||||
|
||||
TYPE top2 = TYPE(0);
|
||||
if (off.y > 1)
|
||||
top2 = TYPE(imageLoad(src[p], pos + ivec2(0, -2))[comp]);
|
||||
|
||||
VTYPE3 top = VTYPE3(TYPE(0),
|
||||
TYPE(0),
|
||||
TYPE(0));
|
||||
if (off.y > 0 && off != ivec2(0, 1))
|
||||
top[0] = TYPE(imageLoad(src[p], pos + ivec2(-1, -1) + yoff_border1)[comp]);
|
||||
if (off.y > 0) {
|
||||
top[1] = TYPE(imageLoad(src[p], pos + ivec2(0, -1))[comp]);
|
||||
top[2] = TYPE(imageLoad(src[p], pos + ivec2(min(1, sw - off.x - 1), -1))[comp]);
|
||||
}
|
||||
|
||||
VTYPE3 cur = VTYPE3(TYPE(0),
|
||||
TYPE(0),
|
||||
imageLoad(src[p], pos)[comp]);
|
||||
if (off.x > 0 && off != ivec2(1, 0))
|
||||
cur[0] = TYPE(imageLoad(src[p], pos + ivec2(-2, 0) + yoff_border2)[comp]);
|
||||
if (off != ivec2(0, 0))
|
||||
cur[1] = TYPE(imageLoad(src[p], pos + ivec2(-1, 0) + yoff_border1)[comp]);
|
||||
|
||||
/* context, diff */
|
||||
ivec2 d = ivec2(get_context(VTYPE2(cur), top, top2, context_model),
|
||||
cur[2] - predict(cur[1], VTYPE2(top)));
|
||||
|
||||
if (d[0] < 0)
|
||||
d = -d;
|
||||
|
||||
d[1] = fold(d[1], bits);
|
||||
|
||||
return d;
|
||||
}
|
||||
|
||||
void finalize_slice(inout SliceContext sc, const uint slice_idx)
|
||||
{
|
||||
#ifdef GOLOMB
|
||||
uint32_t enc_len = sc.hdr_len + flush_put_bits(sc.pb);
|
||||
#else
|
||||
uint32_t enc_len = rac_terminate(sc.c);
|
||||
#endif
|
||||
|
||||
u8buf bs = u8buf(sc.c.bytestream_start);
|
||||
|
||||
/* Append slice length */
|
||||
u8vec4 enc_len_p = unpack8(enc_len);
|
||||
bs[enc_len + 0].v = enc_len_p.z;
|
||||
bs[enc_len + 1].v = enc_len_p.y;
|
||||
bs[enc_len + 2].v = enc_len_p.x;
|
||||
enc_len += 3;
|
||||
|
||||
/* Calculate and write CRC */
|
||||
if (ec != 0) {
|
||||
bs[enc_len].v = uint8_t(0);
|
||||
enc_len++;
|
||||
|
||||
uint32_t crc = crcref;
|
||||
for (int i = 0; i < enc_len; i++)
|
||||
crc = crc_ieee[(crc & 0xFF) ^ uint32_t(bs[i].v)] ^ (crc >> 8);
|
||||
|
||||
if (crcref != 0x00000000)
|
||||
crc ^= 0x8CD88196;
|
||||
|
||||
u8vec4 crc_p = unpack8(crc);
|
||||
bs[enc_len + 0].v = crc_p.x;
|
||||
bs[enc_len + 1].v = crc_p.y;
|
||||
bs[enc_len + 2].v = crc_p.z;
|
||||
bs[enc_len + 3].v = crc_p.w;
|
||||
enc_len += 4;
|
||||
}
|
||||
|
||||
slice_results[slice_idx*2 + 0] = enc_len;
|
||||
slice_results[slice_idx*2 + 1] = uint64_t(bs) - uint64_t(out_data);
|
||||
}
|
||||
@ -1,83 +0,0 @@
|
||||
/*
|
||||
* FFv1 codec
|
||||
*
|
||||
* Copyright (c) 2024 Lynne <dev@lynne.ee>
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
void encode_slice_rgb(inout SliceContext sc, const uint slice_idx)
|
||||
{
|
||||
int bits = 9;
|
||||
if (bits != 8 || sc.slice_coding_mode != 0)
|
||||
bits = bits_per_raw_sample + int(sc.slice_coding_mode != 1);
|
||||
|
||||
int run_index = 0;
|
||||
|
||||
#ifndef GOLOMB
|
||||
if (sc.slice_coding_mode == 1) {
|
||||
if (transparency == 1) {
|
||||
for (int y = 0; y < sc.slice_dim.y; y++) {
|
||||
encode_line_pcm(sc, y, 0, 1, bits);
|
||||
encode_line_pcm(sc, y, 0, 2, bits);
|
||||
encode_line_pcm(sc, y, 0, 0, bits);
|
||||
encode_line_pcm(sc, y, 0, 3, bits);
|
||||
}
|
||||
} else {
|
||||
for (int y = 0; y < sc.slice_dim.y; y++) {
|
||||
encode_line_pcm(sc, y, 0, 1, bits);
|
||||
encode_line_pcm(sc, y, 0, 2, bits);
|
||||
encode_line_pcm(sc, y, 0, 0, bits);
|
||||
}
|
||||
}
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
uint64_t slice_state_off = uint64_t(slice_state) +
|
||||
slice_idx*plane_state_size*codec_planes;
|
||||
|
||||
if (transparency == 1) {
|
||||
for (int y = 0; y < sc.slice_dim.y; y++) {
|
||||
encode_line(sc, slice_state_off + plane_state_size*0,
|
||||
y, 0, 1, bits, run_index);
|
||||
encode_line(sc, slice_state_off + plane_state_size*1,
|
||||
y, 0, 2, bits, run_index);
|
||||
encode_line(sc, slice_state_off + plane_state_size*1,
|
||||
y, 0, 0, bits, run_index);
|
||||
encode_line(sc, slice_state_off + plane_state_size*2,
|
||||
y, 0, 3, bits, run_index);
|
||||
}
|
||||
} else {
|
||||
for (int y = 0; y < sc.slice_dim.y; y++) {
|
||||
encode_line(sc, slice_state_off + plane_state_size*0,
|
||||
y, 0, 1, bits, run_index);
|
||||
encode_line(sc, slice_state_off + plane_state_size*1,
|
||||
y, 0, 2, bits, run_index);
|
||||
encode_line(sc, slice_state_off + plane_state_size*1,
|
||||
y, 0, 0, bits, run_index);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
finalize_slice(sc, slice_idx);
|
||||
}
|
||||
|
||||
void main(void)
|
||||
{
|
||||
const uint slice_idx = gl_WorkGroupID.y*gl_NumWorkGroups.x + gl_WorkGroupID.x;
|
||||
encode_slice_rgb(slice_ctx[slice_idx], slice_idx);
|
||||
}
|
||||
@ -1,112 +0,0 @@
|
||||
/*
|
||||
* FFv1 codec
|
||||
*
|
||||
* Copyright (c) 2024 Lynne <dev@lynne.ee>
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
struct RLEState {
|
||||
int count;
|
||||
int diff;
|
||||
int index;
|
||||
bool mode;
|
||||
};
|
||||
|
||||
void calc_new_state(inout RLEState state, int context)
|
||||
{
|
||||
if (context == 0)
|
||||
state.mode = false;
|
||||
|
||||
if (!state.mode)
|
||||
return;
|
||||
|
||||
if (state.diff > 0) {
|
||||
while (state.count >= (1 << log2_run[state.index])) {
|
||||
state.count -= 1 << log2_run[state.index];
|
||||
state.index++;
|
||||
}
|
||||
if (state.index > 0)
|
||||
state.index--;
|
||||
state.count = 0;
|
||||
state.mode = false;
|
||||
if (state.diff > 0)
|
||||
state.diff--;
|
||||
} else {
|
||||
state.count++;
|
||||
}
|
||||
}
|
||||
|
||||
void encode_line(inout SliceContext sc, uint64_t state,
|
||||
int y, int p, int comp, int bits, inout int run_index)
|
||||
{
|
||||
ivec2 sp = sc.slice_pos;
|
||||
|
||||
int w = sc.slice_dim.x;
|
||||
if (p > 0 && p < 3) {
|
||||
w >>= chroma_shift.x;
|
||||
sp >>= chroma_shift;
|
||||
}
|
||||
|
||||
int run_count = 0;
|
||||
bool run_mode = false;
|
||||
|
||||
for (int x = 0; x < w; x++) {
|
||||
ivec2 d = get_diff(sp + ivec2(x, y), ivec2(x, y), p, comp, w, bits);
|
||||
|
||||
if (d[0] == 0)
|
||||
run_mode = true;
|
||||
|
||||
if (run_mode) {
|
||||
if (d[1] != 0) {
|
||||
/* A very unlikely loop */
|
||||
while (run_count >= 1 << log2_run[run_index]) {
|
||||
run_count -= 1 << log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(sc.pb, 1, 1);
|
||||
}
|
||||
|
||||
put_bits(sc.pb, 1 + log2_run[run_index], run_count);
|
||||
if (run_index != 0)
|
||||
run_index--;
|
||||
run_count = 0;
|
||||
run_mode = false;
|
||||
if (d[1] > 0)
|
||||
d[1]--;
|
||||
} else {
|
||||
run_count++;
|
||||
}
|
||||
}
|
||||
|
||||
if (!run_mode) {
|
||||
VlcState sb = VlcState(state + VLC_STATE_SIZE*d[0]);
|
||||
Symbol sym = get_vlc_symbol(sb, d[1], bits);
|
||||
put_bits(sc.pb, sym.bits, sym.val);
|
||||
}
|
||||
}
|
||||
|
||||
if (run_mode) {
|
||||
while (run_count >= (1 << log2_run[run_index])) {
|
||||
run_count -= 1 << log2_run[run_index];
|
||||
run_index++;
|
||||
put_bits(sc.pb, 1, 1);
|
||||
}
|
||||
|
||||
if (run_count > 0)
|
||||
put_bits(sc.pb, 1, 1);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user