h264: promote Intra_4x4 luma prediction (9 modes) to public API
PR #12 added the 9 Intra_4x4 luma intra prediction modes as test-only spec references in tests/. This PR promotes them to public src/ symbols so consumers (the eventual marfrit-packages substitution-arc patch 0014) can link against them. Moved: tests/h264_intra_pred_4x4_ref.c → src/h264_intra_pred_4x4.c Renamed: daedalus_h264_pred_4x4_<mode>_ref → daedalus_h264_pred_4x4_<mode> (9 functions: vertical/horizontal/dc/ddl/ddr/vr/hd/vl/hu) The src/ implementation is byte-for-byte the same code as the test-only ref; this PR is plain plumbing. The test binary now links against daedalus_core to pull in the public symbols (instead of compiling the ref file directly), exercising the path that real consumers will use. Same promotion shape as PR #25 (chroma DC Hadamard). Verified on hertz: $ ./build/test_intra_pred_4x4 Vertical (mode 0) PASS Horizontal (mode 1) PASS DC (mode 2) PASS DiagDownLeft (mode 3) PASS DiagDownRight (mode 4) PASS VerticalRight (mode 5) PASS HorizontalDown (mode 6) PASS VerticalLeft (mode 7) PASS HorizontalUp (mode 8) PASS VR asym (sanity) PASS ALL 10 intra-4x4 mode references PASS $ nm -g build/libdaedalus_core.a | grep "T daedalus_h264_pred_4x4" (9 symbols exported) Follow-ups (same promotion pattern, can land in parallel): - Intra_16x16 luma (4 modes, PR #13) - Intra_8x8 chroma (4 modes, PR #14) - Intra_8x8 luma (9 modes, PRs #21 + #22) Once all 26 intra modes are in the public API, the marfrit-packages substitution arc can route H264PredContext's pred function pointer tables through daedalus alongside the IDCT / deblock / qpel / DC Hadamard substitutions already in place.
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+19
-19
@@ -22,15 +22,15 @@
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#include <stdio.h>
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#include <string.h>
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extern void daedalus_h264_pred_4x4_vertical_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_horizontal_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_dc_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_ddl_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_ddr_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_vr_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_hd_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_vl_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_hu_ref(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_vertical(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_horizontal(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_dc(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_ddl(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_ddr(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_vr(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_hd(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_vl(uint8_t *dst, ptrdiff_t stride);
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extern void daedalus_h264_pred_4x4_hu(uint8_t *dst, ptrdiff_t stride);
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#define STRIDE 9
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typedef void (*pred_fn)(uint8_t *dst, ptrdiff_t stride);
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@@ -82,7 +82,7 @@ int main(void)
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int t[8] = { 10, 20, 30, 40, 0, 0, 0, 0 };
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int l[4] = { 0, 0, 0, 0 };
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set_ctx(buf, tl, t, l);
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daedalus_h264_pred_4x4_vertical_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_vertical(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{10,20,30,40}, {10,20,30,40}, {10,20,30,40}, {10,20,30,40}
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};
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@@ -95,7 +95,7 @@ int main(void)
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int t[8] = { 0,0,0,0, 0,0,0,0 };
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int l[4] = { 50, 60, 70, 80 };
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set_ctx(buf, 0, t, l);
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daedalus_h264_pred_4x4_horizontal_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_horizontal(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{50,50,50,50}, {60,60,60,60}, {70,70,70,70}, {80,80,80,80}
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};
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@@ -110,7 +110,7 @@ int main(void)
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int t[8] = { 1,1,1,1, 0,0,0,0 };
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int l[4] = { 3,3,3,3 };
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set_ctx(buf, 99, t, l); /* tl unused for DC */
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daedalus_h264_pred_4x4_dc_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_dc(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{2,2,2,2}, {2,2,2,2}, {2,2,2,2}, {2,2,2,2}
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};
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@@ -125,7 +125,7 @@ int main(void)
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int t[8] = { 100,100,100,100, 100,100,100,100 };
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int l[4] = { 0,0,0,0 };
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set_ctx(buf, 0, t, l);
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daedalus_h264_pred_4x4_ddl_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_ddl(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{100,100,100,100}, {100,100,100,100},
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{100,100,100,100}, {100,100,100,100}
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@@ -140,7 +140,7 @@ int main(void)
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int t[8] = { 200,200,200,200, 0,0,0,0 };
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int l[4] = { 200,200,200,200 };
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set_ctx(buf, 200, t, l);
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daedalus_h264_pred_4x4_ddr_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_ddr(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{200,200,200,200}, {200,200,200,200},
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{200,200,200,200}, {200,200,200,200}
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@@ -155,7 +155,7 @@ int main(void)
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int t[8] = { 80,80,80,80, 0,0,0,0 };
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int l[4] = { 80,80,80,80 };
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set_ctx(buf, 80, t, l);
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daedalus_h264_pred_4x4_vr_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_vr(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{80,80,80,80}, {80,80,80,80}, {80,80,80,80}, {80,80,80,80}
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};
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@@ -168,7 +168,7 @@ int main(void)
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int t[8] = { 120,120,120,120, 0,0,0,0 };
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int l[4] = { 120,120,120,120 };
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set_ctx(buf, 120, t, l);
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daedalus_h264_pred_4x4_hd_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_hd(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{120,120,120,120}, {120,120,120,120},
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{120,120,120,120}, {120,120,120,120}
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@@ -182,7 +182,7 @@ int main(void)
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int t[8] = { 64,64,64,64, 64,64,64,64 };
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int l[4] = { 0,0,0,0 };
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set_ctx(buf, 0, t, l);
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daedalus_h264_pred_4x4_vl_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_vl(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{64,64,64,64}, {64,64,64,64}, {64,64,64,64}, {64,64,64,64}
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};
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@@ -195,7 +195,7 @@ int main(void)
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int t[8] = { 0,0,0,0, 0,0,0,0 };
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int l[4] = { 200,200,200,200 };
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set_ctx(buf, 0, t, l);
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daedalus_h264_pred_4x4_hu_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_hu(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{200,200,200,200}, {200,200,200,200},
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{200,200,200,200}, {200,200,200,200}
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@@ -230,7 +230,7 @@ int main(void)
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int t[8] = { 10,20,30,40, 0,0,0,0 };
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int l[4] = { 50,60,70,0 };
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set_ctx(buf, 5, t, l);
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daedalus_h264_pred_4x4_vr_ref(&buf[1][1], STRIDE);
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daedalus_h264_pred_4x4_vr(&buf[1][1], STRIDE);
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uint8_t exp[4][4] = {
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{ 8,15,25,35},
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{18,11,20,30},
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