Apply jpegli fix for jpegs made on iPhone

Author: ilya-fedin

libjxl.patch

@@ -0,0 +1,65 @@
+diff --git a/lib/jpegli/decode.cc b/lib/jpegli/decode.cc
+index bf57115a..8747fc7f 100644
+--- a/lib/jpegli/decode.cc
++++ b/lib/jpegli/decode.cc
+@@ -54,6 +54,7 @@ void InitializeImage(j_decompress_ptr cinfo) {
+   m->found_soi_ = false;
+   m->found_dri_ = false;
+   m->found_sof_ = false;
++  m->found_sos_ = false;
+   m->found_eoi_ = false;
+   m->icc_index_ = 0;
+   m->icc_total_ = 0;
+@@ -243,6 +244,9 @@ void PrepareForScan(j_decompress_ptr cinfo) {
+   // Copy quantization tables into comp_info.
+   for (int i = 0; i < cinfo->comps_in_scan; ++i) {
+     jpeg_component_info* comp = cinfo->cur_comp_info[i];
++    if (cinfo->quant_tbl_ptrs[comp->quant_tbl_no] == nullptr) {
++      JPEGLI_ERROR("Quantization table with index %u not found", comp->quant_tbl_no);
++    }
+     if (comp->quant_table == nullptr) {
+       comp->quant_table = Allocate<JQUANT_TBL>(cinfo, 1, JPOOL_IMAGE);
+       memcpy(comp->quant_table, cinfo->quant_tbl_ptrs[comp->quant_tbl_no],
+diff --git a/lib/jpegli/decode_internal.h b/lib/jpegli/decode_internal.h
+index ed7baa39..4a06e582 100644
+--- a/lib/jpegli/decode_internal.h
++++ b/lib/jpegli/decode_internal.h
+@@ -57,6 +57,7 @@ struct jpeg_decomp_master {
+   bool found_soi_;
+   bool found_dri_;
+   bool found_sof_;
++  bool found_sos_;
+   bool found_eoi_;
+   size_t icc_index_;
+   size_t icc_total_;
+diff --git a/lib/jpegli/decode_marker.cc b/lib/jpegli/decode_marker.cc
+index 6ef2dd4d..eca3596a 100644
+--- a/lib/jpegli/decode_marker.cc
++++ b/lib/jpegli/decode_marker.cc
+@@ -104,9 +104,6 @@ void ProcessSOF(j_decompress_ptr cinfo, const uint8_t* data, size_t len) {
+     int quant_tbl_idx = ReadUint8(data, &pos);
+     JPEG_VERIFY_INPUT(quant_tbl_idx, 0, NUM_QUANT_TBLS - 1);
+     comp->quant_tbl_no = quant_tbl_idx;
+-    if (cinfo->quant_tbl_ptrs[quant_tbl_idx] == nullptr) {
+-      JPEGLI_ERROR("Quantization table with index %u not found", quant_tbl_idx);
+-    }
+     comp->quant_table = nullptr;  // will be allocated after SOS marker
+   }
+   JPEG_VERIFY_MARKER_END();
+@@ -169,6 +166,7 @@ void ProcessSOS(j_decompress_ptr cinfo, const uint8_t* data, size_t len) {
+   if (!m->found_sof_) {
+     JPEGLI_ERROR("Unexpected SOS marker.");
+   }
++  m->found_sos_ = true;
+   size_t pos = 2;
+   JPEG_VERIFY_LEN(1);
+   cinfo->comps_in_scan = ReadUint8(data, &pos);
+@@ -339,7 +337,7 @@ void ProcessDHT(j_decompress_ptr cinfo, const uint8_t* data, size_t len) {
+ 
+ void ProcessDQT(j_decompress_ptr cinfo, const uint8_t* data, size_t len) {
+   jpeg_decomp_master* m = cinfo->master;
+-  if (m->found_sof_) {
++  if (m->found_sos_) {
+     JPEGLI_ERROR("Updating quant tables between scans is not supported.");
+   }
+   size_t pos = 2;