[FFmpeg-devel] [PATCH 01/16] ffv1enc_vulkan: merge all encoder variants into one file
Lynne
dev at lynne.ee
Wed May 14 22:02:30 EEST 2025
Makes it easier to work with, despite the heavy ifdeffery.
---
libavcodec/ffv1enc_vulkan.c | 21 +--
libavcodec/vulkan/Makefile | 4 +-
libavcodec/vulkan/ffv1_enc.comp | 240 ++++++++++++++++++++++++-
libavcodec/vulkan/ffv1_enc_ac.comp | 83 ---------
libavcodec/vulkan/ffv1_enc_common.comp | 101 -----------
libavcodec/vulkan/ffv1_enc_rgb.comp | 83 ---------
libavcodec/vulkan/ffv1_enc_vlc.comp | 112 ------------
7 files changed, 244 insertions(+), 400 deletions(-)
delete mode 100644 libavcodec/vulkan/ffv1_enc_ac.comp
delete mode 100644 libavcodec/vulkan/ffv1_enc_common.comp
delete mode 100644 libavcodec/vulkan/ffv1_enc_rgb.comp
delete mode 100644 libavcodec/vulkan/ffv1_enc_vlc.comp
diff --git a/libavcodec/ffv1enc_vulkan.c b/libavcodec/ffv1enc_vulkan.c
index 42a98a5efa..f4b54b8375 100644
--- a/libavcodec/ffv1enc_vulkan.c
+++ b/libavcodec/ffv1enc_vulkan.c
@@ -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));
diff --git a/libavcodec/vulkan/Makefile b/libavcodec/vulkan/Makefile
index feb5d2ea51..4bbcb38c6a 100644
--- a/libavcodec/vulkan/Makefile
+++ b/libavcodec/vulkan/Makefile
@@ -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 \
diff --git a/libavcodec/vulkan/ffv1_enc.comp b/libavcodec/vulkan/ffv1_enc.comp
index 4b851fd711..9854ecad51 100644
--- a/libavcodec/vulkan/ffv1_enc.comp
+++ b/libavcodec/vulkan/ffv1_enc.comp
@@ -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);
}
diff --git a/libavcodec/vulkan/ffv1_enc_ac.comp b/libavcodec/vulkan/ffv1_enc_ac.comp
deleted file mode 100644
index 0bbf58c5dd..0000000000
--- a/libavcodec/vulkan/ffv1_enc_ac.comp
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2024 Lynne <dev at 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]);
- }
-}
diff --git a/libavcodec/vulkan/ffv1_enc_common.comp b/libavcodec/vulkan/ffv1_enc_common.comp
deleted file mode 100644
index 62c0624b0e..0000000000
--- a/libavcodec/vulkan/ffv1_enc_common.comp
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * FFv1 codec
- *
- * Copyright (c) 2024 Lynne <dev at 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);
-}
diff --git a/libavcodec/vulkan/ffv1_enc_rgb.comp b/libavcodec/vulkan/ffv1_enc_rgb.comp
deleted file mode 100644
index c176d94e8b..0000000000
--- a/libavcodec/vulkan/ffv1_enc_rgb.comp
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * FFv1 codec
- *
- * Copyright (c) 2024 Lynne <dev at 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);
-}
diff --git a/libavcodec/vulkan/ffv1_enc_vlc.comp b/libavcodec/vulkan/ffv1_enc_vlc.comp
deleted file mode 100644
index 7a4d39e307..0000000000
--- a/libavcodec/vulkan/ffv1_enc_vlc.comp
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * FFv1 codec
- *
- * Copyright (c) 2024 Lynne <dev at 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);
- }
-}
--
2.49.0.395.g12beb8f557c
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